-
derived from biological systems
-
immunomodulators
-
often used to treat immune mediated inflammatory disease
- RA/IBD
-
unlike other immunosuppressives
- MTX
-
specific cell signalling pathways targeted
-
TNF inhibitors
-
-
vasccines
-
blood products
-
chemotherapy agents
-
-
response often variable
-
may also develop antibodies against biologics
- more likely to occur with use of chimeric
-
methotrexate often co-prescribed
Precautions
-
contraindicated in:
-
severe active infections
-
moderate to severe heart failure
-
multiple sclerosis or optic neuritis
-
untreated or latent Tb
-
hepatitis B
-
malignancy within last 5yrs
-
Testing for latnet Tb
-
Wuantiferon Gold
-
more sensitive in people who are immunocompromised thatn tuberculin skin testing
- e.g. in people on MTX or corticosteroids
-
also more sensitive than previous BCG vaccination
-
infliximab most frequently associated with tuberculosis reactivation
Check immunisation status
-
live vaccines contraindicated
- should be completed prior to treatment initiation
-
Hep A. B vaccination reommended if no immunity
- reactivation hep B common
-
Influenza
-
Pneumococcal
-
varicella
-
HPV
Pregnancy
-
not recommended
-
safety not established
-
prescribe effective contraception and also for several months afterwards
monitoring
-
reducing risk of infection = important role for primary care team
-
good food hygiene
-
adverse events
-
injection site reactions
-
local
-
advised to space each new injection site at least 3cm from previous site
-
apply damp towel or ice pack to site
-
-
-
increase risk of developing serious infections
-
pneumonia
-
soft tissue infections
-
opportunistic infection
- latent infections
-
-
heart failure
-
etanercept and infliximab
-
should be discontinued
-
-
interstitial lung disease
- associated with RA
-
periodic skin examination for non-melanoma skin cancer
-
lymphoma
- RA 2-2.5x more likely to develop lymphoma
-
surgery
-
biologics withheld prior to surgery
-


Volunteer & Mentor
Applications launch in April.
Stay tuned via twitter @ETHBerlin.
We expect all volunteers to accept our
Code of Conduct
.
Judge
To apply as judge e-mail<EMAIL_ADDRESS>please note that judges cannot be mentors or hackers as well.
Please apply for judging ONLY if you don’t want to participate on the aforementioned two categories. There is room for everyone.
Write us an e-mail with the subject “So, I think I can JUDGE!!!” and why this is interesting for you.
If you still don’t think it’s fair we rejected your product pitch,
considering we did tell you two times about our rules, please email us at<EMAIL_ADDRESS>Deadline: May 15th
Applications will be confirmed in June - please do not send applications to our e-mail.
We will inform you upon approval - no need to check in to remind us!


WITNESS LIST Appropriations Committee April 25, 2005-8:00A HB 2345 For: Garcia, Sylvia R. (Harris County) Lee, Donald (Texas Conference of Urban Counties) Svadlenak, Steve (Texas Association of Public and Non-Profit Hospitals) Against: Heasley, John (Texas Bankers Association) Scurlock, Steve (Independent Bankers Association of Texas) On: Jobe, Everette (Texas Department of Banking) Ramirez, Richard M. (Goldman Sachs and Company, Inc.)


Dorian:
I don't know, exactly. All I know is, my fiance was with Lady Lidia, and died protecting her!
Anyway, thank you for taking the flower to Rose's grave.
"It's the least I could do."


The honey badger (Mellivora capensis), also known as the ratel, is the only species in the mustelid subfamily Mellivorinae and its only genus Mellivora. It is native to Africa, Southwest Asia, and the Indian subcontinent. Despite its name, the honey badger does not closely resemble other badger species; instead, it bears more anatomical similarities to weasels. It is classed as Least Concern by the IUCN owing to its extensive range and general environmental adaptations. It is primarily a carnivorous species and has few natural predators because of its thick skin and ferocious defensive abilities.
The honey badger has a fairly long body, but is distinctly thick-set and broad across the back. Its skin is remarkably loose, and allows it to turn and twist freely within it. The skin around the neck is 6mm thick, an adaptation to fighting conspecifics. The head is small and flat, with a short muzzle. The eyes are small, and the ears are little more than ridges on the skin, another possible adaptation to avoiding damage while fighting.
The honey badger has short and sturdy legs, with five toes on each foot. The feet are armed with very strong claws, which are short on the hind legs and remarkably long on the forelimbs.  The tail is short and is covered in long hairs, save for below the base.
Honey badgers are the largest terrestrial mustelids in Africa. Adults measure 23-28cm in shoulder height and 55–77cm in body length, with the tail adding another 12–30cm. Females are smaller than males. Males weigh 9-16kg while females weigh 5 to 10kg on average. Skull length is 13.9–14.5 cm in males and 13cm for females.


Please note that not every browser supports transitions on pseudo elements.
If you enjoyed these effects you might also like:
Creative Button Styles
Simple Icon Hover Effects


Preparation time
less than 30 mins
Cooking time
10 to 30 mins
Serves
Serves 4
James whips up a quick chutney to make a meal of cheese on toast.
For the chutney, heat a large frying pan until hot. Add the brown sugar and sultanas and heat until the sugar is just melting. Add the vinegar and cook until totally dissolved and starting to caramelise.
Stir in the apples, tomatoes and onion and cook for 10 minutes, or until the apple is tender and the mixture thickened. Remove from the heat and decant into a sterilised jar.
For the rarebit, preheat the grill to high.
Place the bacon onto an oven tray and grill for 4-6 minutes, or until golden-brown at the edges and just cooked through.
Place the cheese and beer in a frying pan and heat gently until the cheese is melted, bubbling and smooth, then stir in the mustard, Tabasco and Worcestershire sauce. Stir in the flour and cook until just thickened. Season, to taste, with salt and black pepper.
Meanwhile, toast the bread on each side and then lay in an ovenproof dish. Top with two pieces of the cooked bacon and spoon the rarebit mixture over the top.
Grill for 2-3 minutes, or until the topping is golden-brown and bubbling. Serve with a dollop of chutney.


{{ partial "header" . }}
Custom software architecture, engineering, and design.
Custom mechanical engineering, drafting/modeling, and prototyping.
Industrial automation, robotics, and artificial intelligence.
Project, product, or team management.


Paginator Bar
Bar subclass. Adds a few special rules for the paginator bar component.
First
Back
Refresh
Next
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First
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Next
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".Button.disabled"
First
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".notFocused .Button"


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Chapter 23
|
| System Type | Description |
|---|---|
| Financial systems | Financial applications. These systems are used to run the financial operations of your business. These systems use financial applications such as Oracle Financials or SAP. |
| Replicated systems | The replicated system is designed to duplicate copies of tables or subsets of tables to permit local access to this data. This chapter describes systems using Oracles Symmetric Replication package. |
| Distributed systems | The distributed system allows for a set of servers to create a single view of a database, even though parts exist on different machines. This chapter describes systems using Oracles Distributed option. |
| Oracle TextServer 3.0 | TextServer 3.0 with ConText is designed to allow for storage and processing of text documents. This system is a server for the Oracle TextServer product. |
| Oracle Office Server | The Oracle Office system is designed to provide office services such as messaging, scheduling, and so on. |
| Oracle WebServer | This system has new Oracle features to provide World Wide Web services from an Oracle database. |
This chapter provides a brief overview of each type of system, lists the characteristics of that system, and provides a brief discussion on optimal configuration.
Financial systems provide a rich set of applications used extensively in businesses around the world. These applications are sometimes known collectively as Oracle Financials. The Oracle Financials application set is built around the Oracle RDBMS and includes applications such as Oracle Human Resources, Oracle Payroll, Oracle Payables, Oracle Receivables, Oracle General Ledger, Oracle Assets, Oracle Inventory, Oracle Order Entry, Oracle Purchasing, Oracle Bills of Material, Oracle Engineering, Oracle Master Scheduling, Oracle Work in Progress, Oracle MRP, Oracle Capacity, Oracle Project Costing, and Oracle Project Billing.
These applications run many of the worlds mission-critical businesses. The applications are available for most platforms; both character-based and GUI-based versions of these applications are available.
Other financial systems that use the Oracle RDBMS include the SAP system. Although the applications themselves function quite differently from the Oracle applications (from the point of view of the RDBMS), they tend to operate in a similar fashion.
In general, financial systems have some characteristics of OLTP and decision support systems and some characteristics that are unique to financials:
During the day, the system may have many users simultaneously inputting data concerning accounts receivable, accounts payable, and human resources; at other times, the system is accessed more like a DSS system for reporting or payroll.
You experience both of these characteristics in this type of system. If possible, you should perform the reporting and payroll activities at off-peak times when the system is not as heavily loaded.
Because the financial system tends to have characteristics of both the OLTP and DSS systems, the design of the system should take into account both characteristics. In designing this system, use the following goals to achieve optimal performance:
All these factors contribute to the optimal data layout of the system. To achieve these goals, first look at the ways you can optimally organize the system.
| Previous | Table of Contents | Next |
| 6fc |
|


Next: Abstract Classifications of Streams, Previous: Open and Closed Streams, Up: Introduction to Streams
An interactive stream is one on which it makes sense to perform interactive querying.
The precise meaning of an interactive stream is implementation-defined, and may depend on the underlying operating system. Some examples of the things that an implementation might choose to use as identifying characteristics of an interactive stream include:
The stream is connected to a person (or equivalent) in such a way that the program can prompt for information and expect to receive different input depending on the prompt.
The program is expected to prompt for input and support "normal input editing".
read-char might wait for the user to type something before returning instead of immediately returning a character or end-of-file.
The general intent of having some streams be classified as interactive streams is to allow them to be distinguished from streams containing batch (or background or command-file) input. Output to batch streams is typically discarded or saved for later viewing, so interactive queries to such streams might not have the expected effect.
Terminal I/O might or might not be an interactive stream.


OsmAnd 2.7 has been released.
We are glad to announce the release of version 2.6! New map style, reworked search, the seabed contours, and much more.


Features
Manage typical multi-configuration projects (like Debug/Release), but also complex, multi-platform, multi-architecture, multi-toolchain projects, with an emphasis on modern C/C++ and embedded applications.
This open source project is available on GitHub and is part of The xPack Project.
In VS Code it can be directly installed from the Visual Studio Code Marketplace
This extension is intended as a future replacement for the managed build system available in Eclipse Embedded CDT.
Requirements
- Visual Studio Code
- a recent xpm, which is a portable Node.js command line application; please follow the instructions in the install page.
Quick Start
TL;DR: View → Command Palette… → xPack: Quick Start a Hello World project (C++, CMake) (but better read the web page).
The easiest way to start with the VS Code xPack C/C++ Managed Build extension is to create the classical Hello World project.
Follow the steps in the Quick Start page. In addition to being a fully functional project, the result will also be a good starting point for more complex projects.
How it works
The xPack Managed Build is neutral to the build system, and basically
can invoke any tools, old and new, but favours modern tools
(like CMake and meson) which can
generate a compile_commands.json
file, since this
greatly simplifies the project IntelliSense configuration.
Disclaimer
package.json
, but otherwise it uses exactly the same project
format as npm; xPacks are actually npm packages, and can be
stored in usual Git repositories, or even published on
npmjs.com
or compatible servers.Concepts (configurations & actions)
Compared to typical CMake/meson projects, which in most cases are reduced to a single build folder, an xPack Managed Build project is by design defined as
a collection of named build configurations
each using a separate build folder, and
each with its own set of named actions
defined as sequences of commands (stored in JSON as arrays of string).
To avoid redundant definitions between configurations, the actions can use generic templates, with substitutions performed by the LiquidJS template engine, based on user defined string properties.
A typical example of a project with two build configurations, using CMake, may look like:
{
"name": "hello-world",
"version": "0.1.0",
"description": "A Hello World project",
"main": "",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [
"xpack"
],
"license": "MIT",
"config": {},
"dependencies": {},
"devDependencies": {
"@xpack-dev-tools/cmake": "3.19.2-2.1",
"@xpack-dev-tools/ninja-build": "1.10.2-2.1"
},
"xpack": {
"properties": {
"buildFolderRelativePath": "build{% if os.platform == 'win32' %}\\{% else %}/{% endif %}{{ configuration.name | downcase }}",
"commandPrepare": "cmake -S . -B {{ properties.buildFolderRelativePath }} -G Ninja -D CMAKE_BUILD_TYPE={{ properties.buildType }} -D CMAKE_EXPORT_COMPILE_COMMANDS=ON",
"commandBuild": "cmake --build {{ properties.buildFolderRelativePath }}",
"commandClean": "cmake --build {{ properties.buildFolderRelativePath }} --target clean",
"commandExecuteHello": "{{ properties.buildFolderRelativePath }}{% if os.platform == 'win32' %}\\{% else %}/{% endif %}hello-world"
},
"actions": {
"prepare-all": [
"xpm run prepare --config Debug",
"xpm run prepare --config Release"
],
"build-all": [
"xpm run build --config Debug",
"xpm run build --config Release"
],
"clean-all": [
"xpm run clean --config Debug",
"xpm run clean --config Release"
],
"execute-all": [
"xpm run execute --config Debug",
"xpm run execute --config Release"
],
"test": [
"xpm run build-all",
"xpm run execute-all"
]
},
"buildConfigurations": {
"Debug": {
"properties": {
"buildType": "Debug"
},
"actions": {
"prepare": "{{ properties.commandPrepare }}",
"build": [
"{{ properties.commandPrepare }}",
"{{ properties.commandBuild }}"
],
"clean": "{{ properties.commandClean }}",
"execute": "{{ properties.commandExecuteHello }}"
}
},
"Release": {
"properties": {
"buildType": "Release"
},
"actions": {
"prepare": "{{ properties.commandPrepare }}",
"build": [
"{{ properties.commandPrepare }}",
"{{ properties.commandBuild }}"
],
"clean": "{{ properties.commandClean }}",
"execute": "{{ properties.commandExecuteHello }}"
}
}
}
}
}
With the help of xpm
, the complete cycle of prepare/build/execute
can be invoked via:
cd <project>
xpm install
xpm run test
Note: this example assumes the presence of a toolchain, like GCC or clang.
Release Notes
The latest release is v0.x, which, according to semantic versioning rules, means it is in initial development phase.
The xPack extension is functional and can be used for beta-testing, but anything MAY change at any time and the public API SHOULD NOT be considered stable.
More details about each release can be found in the releases pages.


This week I've been working on extracting a Ruby service for authentication out of a legacy Java application. This particular application was using a version of the OWASP Hashing example for Java which prompted me to do some research on secure passwords.
What makes a secure password?
The Java code I was replacing linked to the Open Web Application Security Project, a non-profit promoting best practices for security in web applications. OWASP defines a secure password as having three qualities:
- Hashed
- Salted
- Hardened
Hashed
OWASP explains: "A Hash function creates a fixed length small fingerprint (or message digest) from an unlimited input string." As web developers, most of us are familiar with MD5 or SHA hashing functions.
Using a one-way hashing function increases security as the actual plain text passwords are not present in the datastore.
Salted
A drawback to hashed passwords is that a hash of the two plain text passwords would be identical. Because of this, if they had database access an attacker could use a database of precomputed hashes to look up common passwords.
A salt, however, is a random string of a fixed length that is added to the plain text password before it is hashed. This results in a unique hash for each password in a database. Salts are usually stored in plain text along with the hash and used for checking matches.
Hardened
The third technique is to harden the password by hashing the hash. This process should be repeated a minimum of 1,000 times according to the RSA PKCS5 standard.
hash(hash(hash(hash(...hash(password + salt)))))
The goal is that this process increases the amount of time an attacker's script needs to spend hashing passwords, thus slowing down the attack. Further, as server hardware improves the recommended amount of iterations will need to increase.
Ruby example
The OWASP website gives a full example for using these techniques in Java. Below is an example of what the same hashing function looks like in Ruby.
def compute_hash(password, salt)
digestor = Digest::SHA1.new
input = digestor.digest(salt + password)
1000.times.inject(input) do |reply|
digestor.digest(reply)
end
end
Note that the SHA1
algorithm can be switched for a more secure one such as SHA256
or SHA512
by requiring 'digest/sha2'
.
Rails
Armed with this knowledge, let's look at how the Rails framework helps us solve this problem. As of Rails 3.1 hassecurepassword provides a simple interface to use bcrypt for hashing passwords. Bcrypt gives a nice interface for creating and comparing salted and hashed passwords.
To handle hardening, Bcrypt has a option called cost which will harden your password. By default the factor is 10 which works out to 1,024 iterations, 2^10. Also, the cost is encoded in the resulting hash so it can be increased overtime and existing passwords will continue to work.
# bcrypt-ruby example
my_password = BCrypt::Password.create("my password")
#=> "$2a$10$vI8aWBnW3fID.ZQ4/zo1G.q1lRps.9cGLcZEiGDMVr5yUP1KUOYTa"
my_password.version #=> "2a"
my_password.cost #=> 10
my_password == "my password" #=> true
my_password == "not my password" #=> false
Conclusion
Security standards are important to keep up on. Thankfully the most common tools in the Rails ecosystem, hassecurepassword and Devise, use these recommended techniques. However, it is still good to know the principles when evaluating authentication systems or building password hashing in another language.


Athena is built with SASS. You can install Athena's source files and compiled CSS via npm.
Athena is best used in combination with PostCSS plugins such as PurgeCSS & Autoprefixer. Learn how to setup the perfect Athena environment in the installation docs.
Installation Docsnpm install athena-css


Table of Contents
The Logging subsystem is the logging facility used by Berkeley DB. It is largely Berkeley DB-specific, although it is potentially useful outside of the Berkeley DB package for applications wanting write-ahead logging support. Applications wanting to use the log for purposes other than logging file modifications based on a set of open file descriptors will almost certainly need to make source code modifications to the Berkeley DB code base.
A log can be shared by any number of threads of control. The DB_ENV->open() method is used to open a log. When the log is no longer in use, it should be closed using the DB_ENV->close() method.
Individual log entries are identified by log sequence numbers. Log sequence numbers are stored in an opaque object, an DB_LSN.
The DB_ENV->log_cursor() method is used to allocate a log cursor. Log cursors have two methods: DB_LOGC->get() method to retrieve log records from the log, and DB_LOGC->close() method to destroy the cursor.
There are additional methods for integrating the log subsystem with a transaction processing system:
For more information on the logging subsystem methods, see the Logging Subsystem and Related Methods section in the Berkeley DB C API Reference Guide.


Before Change
def _start_predict_worker(self):
process = []
for i in range(self._require_num):
stop_flag = mps.Event()
worker = mps.Process(target=self._predict_worker)
worker.daemon = True
worker.start()
process.append(worker)
After Change
def _start_predict_worker(self):
process = []
for i in range(self._require_num):
worker = mps.Process(
target=distill_worker.predict_worker,
args=(
self._predict_server_queue,
self._predict_server_result_queue,
self._working_predict_count,
self._reader_out_queue,
self._predict_out_queue,
self._feeds,
self._fetchs,
self._serving_conf_file,
self._predict_stop_events,
self._predict_lock,
self._predict_finished_task,
self._predict_cond, ))
worker.daemon = True
worker.start()
process.append(worker)
return process


Melbourne service station offers petrol at a bargain price
by Word on the streetA new petrol station in Gippsland opened today, and they’re offering an unbeatable deal to celebrate.
Peter tipped 3AW’s Tom Elliott off to the bargain at a Pakenham service station.
Caltex Pakenham is celebrating its grand opening by selling both petrol and diesel for just 99.9 cents per litre.
The deal was meant to end at 3pm, but appears to have been extended.
If you want to snag a bargain you’ll have to wait, though, queues at the service station are huge!
It comes as petrol prices surge to as high as $1.75 a litre in some parts of the city.
The service station is also offering free coffee.
What a bargain!


@* * Copyright 2023 HM Revenue & Customs * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *@ @this( layout: templates.Layout, button_link: components.button_link ) @(psaNameOpt: Option[String], isWorkingKnowldge:Boolean, href: Call)(implicit request: Request[_], messages: Messages) @layout(pageTitle = messages("declaration.variations.title")) { @components.heading(messages("declaration.variations.heading")) @components.paragraph_text(messages("declaration.variations.statement0"))


Black to play 44
Unlimited Game
pips Black=164 White=153
(CorrectAnswer= 0/0, ErrorScore= 0)
1. bar/21 8/4*(2) 5/1* eq:+0.546 61.6% (G:26.0% B:1.2%) 38.4% (G:10.4% B:0.8%) 2. bar/21 13/5 11/7 eq:+0.421 (-0.126) 61.8% (G:16.6% B:0.6%) 38.2% (G:10.2% B:0.5%) 3. bar/21 13/5 8/4* eq:+0.303 (-0.243) 58.0% (G:19.2% B:1.0%) 42.0% (G:12.8% B:0.9%) 4. bar/21 11/7 8/4*(2) eq:+0.287 (-0.260) 57.6% (G:20.0% B:1.1%) 42.4% (G:13.9% B:0.8%)


Author: Nigel Deakin
Date: 6 Oct 2010
Relates to GenericJMSRA version 2.1
Quick start guide
Configuration reference
Limitations
Sample code
This is a description of how to use GenericJMSRA to allow a application running in Glassfish Server to exchange messages with WebLogic JMS.
The first step to allow Glassfish to access WebLogic JMS is to add the WebLogic JMS 11g client jar to the classpath of your running application.
WebLogic JMS provides several different clients for use by standalone applications (i.e. outside of WebLogic itself). These are summarised in the WebLogic documentation here.
When connecting from Glassfish you should use the WebLogic Thin T3 client, wlthint3client.jar. This can be found in a WebLogic installation in a directory similar to wls1033_dev/wlserver/server/lib.
Glassfish 2.1.1 or earlier
If you are using Glassfish 2.1.1 or earlier, you need to add this jar to the server classpath by editing domain.xml and configuring the <java-config> element's classpath-suffix attribute to include a path to wlthint3client.jar, as follows:
<java-config classpath-suffix="C:\Sun\glassfish-2.1.1\lib\wlthint3client.jar" ...
Glassfish 3 or later
If you are using Glassfish 3 or later, there is no need to change domain.xml but you need to copy wlthint3client.jar to the directory glassfish/lib under your Glassfish installation.
This makes the jar available to all applications. It is also possible to deploy this jar in a less global manner, so that it is specific to an individual application. For information on how to do this please consult the Glassfish documentation. A third alternative is to package this jar within genericra.rar before you deploy this in Glassfish.
Before you deploy the resource adapter you should create a resource adapter configuration in Glassfish. You can do this using either the Glassfish admin console or the asadmin command. Here's an example using asadmin. (This should be entered as a single line):
asadmin create-resource-adapter-config --host localhost --port 4848 --property SupportsXA=false:DeliveryType=Synchronous:ProviderIntegrationMode=jndi:JndiProperties=java.naming.factory.initial\=weblogic.jndi.WLInitialContextFactory,java.naming.provider.url\=t3\://localhost\:7001,java.naming.factory.url.pkgs\=weblogic.corba.client.naming genericra
This creates a resource adapter configuration with the name genericra. It is recommended you stick with this name. The resource adapter configuration is configured with the properties specified using the --properties argument; multiple properties are configured as a colon-separated list of name-value pairs. In this example, the following properties are configured:
| Property | Value |
|---|---|
| SupportsXA | false |
| DeliveryType | Synchronous |
| ProviderIntegrationMode | jndi |
| JndiProperties | java.naming.factory.initial=weblogic.jndi.WLInitialContextFactory,java.naming.provider.url=t3://localhost:7001,java.naming.factory.url.pkgs=weblogic.corba.client.naming |
You should use the same values for SupportsXA, DeliveryType and ProviderIntegrationMode as are used here.
JndiProperties should be set to a list of JNDI properties needed for connecting to WebLogic JNDI. They are specified as a comma-reparated list of name=value pairs. When using asadmin you need need to escape each = and any : characters by prepending a \.
For a description of these properties, and of other properties that may be configured, see the table "Resource Adapter properties" below.
After you've created the resource adapter configuration you can you can deploy the resource adapter using either the Glassfish admin console or the asadmin command. Here's an example using asadmin:
asadmin deploy --port=4848 --target server genericra.rar
(Replace genericra.rar with the fully-qualified path to the file as appropriate.)
This deploys the resource adapter. It is automatically given the name genericra, which is obtained from the name of the rar file. This should match the name used when deploying the resource adapter config above. It is recommended you stick with the name genericra used by default.
This example shows you how to configure J2EE 1.4-style MDB that does not use annotations, which means that all configuration information is defined in two deployment descriptor files, the deployment descriptor ejb-jar.xml and the sun-specific sun-ejb-jar.xml.
When using a JavaEE 5 application server such as Glassfish 2.1.1 or a JavaEE 6 application server such as Glassfish 3.1 you also have the option of defining this configuration information in annotations. This is not described here.
To configure a MDB to receive messages from WebLogic JMS, you need to configure the two deployment descriptor files as follows:
Deployment descriptor ejb-jar.xml:
<ejb-jar> <enterprise-beans> <message-driven> <ejb-name>SimpleMessageEJB</ejb-name> <ejb-class>test.simple.queue.ejb.SimpleMessageBean</ejb-class> <transaction-type>Container</transaction-type> </message-driven> </enterprise-beans> <assembly-descriptor> <container-transaction> <method> <ejb-name>SimpleMessageEJB</ejb-name> <method-name>onMessage</method-name> <method-params> <method-param>javax.jms.Message</method-param> </method-params> </method> <trans-attribute>NotSupported</trans-attribute> </container-transaction> </assembly-descriptor> </ejb-jar>
The significant thing to note is that if container-managed transactions are configured then the transactional attribute must be set to NotSupported. For more information, see the section "Limitations" below.
Sun-specific deployment descriptor sun-ejb-jar.xml:
<sun-ejb-jar> <enterprise-beans> <ejb> <ejb-name>SimpleMessageEJB</ejb-name> <mdb-resource-adapter> <resource-adapter-mid>genericra</resource-adapter-mid> <activation-config> <activation-config-property> <activation-config-property-name>ConnectionFactoryJndiName</activation-config-property-name> <activation-config-property-value>jms/WLInboundQueueFactory</activation-config-property-value> </activation-config-property> <activation-config-property> <activation-config-property-name>DestinationJndiName</activation-config-property-name> <activation-config-property-value>jms/WLInboundQueue</activation-config-property-value> </activation-config-property> </activation-config> </mdb-resource-adapter> </ejb> </enterprise-beans> </sun-ejb-jar>
The element <resource-adapter-mid>genericra</resource-adapter-mid> is used to specify the resource adapter and resource adapter config that was deployed earlier. It is recommended you stick to genericra as is used here.
The activation-config element in sun-ejb-jar.xml is the one which defines how and where the MDB receives messages.
The property ConnectionFactoryJndiName must be set to the JNDI name of the connection factory in the WebLogic JNDI store that will be used to receive messages.
The property DestinationJndiName must be set to the JNDI name of the destination (the queue or topic from which messages will be consumed) in the WebLogic JNDI store. The user should use appropriate WebLogic tools (such as the WebLogic admin console)
For other properties that may be configured, see the table "ActivationSpec Configuration" below.
When configuring a MDB to consume messages from WebLogic JMS your code doesn't need to access the WebLogic JMS connection factory and destination directly. You simply define them in the activation config as shown above. However when configuring an MDB to send messages, or when configuring a EJB, servlet or application client to either send or receive messages, your code will need to obtain these objects using a JNDI lookup.
The following example shows you how to lookup these objects using J2EE 1.4-style JNDI lookups. (When using a JavaEE 5 application server such as Glassfish 2.1.1 or a JavaEE 6 application server such as Glassfish 3.1 you also have the option of performing these lookups declaratively using annotations. This is not described here.)
Looking up the connection factory and destination
The following code looks up a connection factory with the JNDI name jms/MyQCFactory and a queue with the name jms/outboundQueue from the Glassfish JNDI store:
Context initialContect = new InitialContext(); QueueConnectionFactoryqueueConnectionFactory = (QueueConnectionFactory) jndiContext.lookup("java:comp/env/jms/MyQCFactory"); Queue queue = (Queue) jndiContext.lookup("java:comp/env/jms/outboundQueue");
Note that the resources used are Glassfish resources, not WebLogic JMS resources. For every connection factory or destination that you want to use in the WebLogic JMS JNDI store, you need to create a corresponding connection factory or destination in the GlassFish JNDI store and configure the Glassfish object to point to the corresponding WebLogic JMS object.
Declaring up the connection factory and destination
In accordance with standard JavaEE requirements, these resources need to be declared in the deployment descriptor for the MDB, EJB or other component. For example, for a session bean, configure ejb-jar.xml with <resource-env-ref> elements as follows:
<ejb-jar> <enterprise-beans> <session> . . . <resource-env-ref> <resource-env-ref-name>jms/QCFactory</resource-env-ref-name> <resource-env-ref-type>javax.jms.QueueConnectionFactory</resource-env-ref-type> </resource-env-ref> <resource-env-ref> <resource-env-ref-name>jms/outboundQueue</resource-env-ref-name> <resource-env-ref-type>javax.jms.Queue</resource-env-ref-type> </resource-env-ref>
To create a Glassfish connection factory and configure it to refer to a corresponding WebLogic JMS connection factory
To create a Glassfish connection factory and configure it to refer to a corresponding WebLogic JMS connection factory, enter the following two commands (each of which should be entered as a single line):
asadmin create-connector-connection-pool --host localhost --port 4848 --raname genericra --connectiondefinition javax.jms.QueueConnectionFactory --target server --transactionsupport LocalTransaction --property ConnectionFactoryJndiName=jms/WLOutboundQueueFactory qcpool asadmin create-connector-resource --host localhost --port 4848 --poolname qcpool --target server jms/QCFactory
These commands together creates a connection factory in Glassfish and its corresponding connection pool. The connection factory has the JNDI name jms/outboundQueueFactory and obtains connections from a connection pool qcpool. The connection pool qcpool uses the resource adapter config genericra and contains objects of type javax.jms.QueueConnectionFactory. The argument --transactionsupport LocalTransaction specifies that the connection will be used in local transactions only. (You could also specify --transactionsupport LocalTransaction. The default setting of --transactionsupport XATransaction may not be used. See Limitations below for more information.) The connection pool is configured with the properties specified using the --properties argument; multiple properties are configured as a colon-separated list of name-value pairs. Only one property is configured in this example, as follows:
| Property | Value |
|---|---|
| ConnectionFactoryJndiName | jms/WLOutboundQueueFactory |
ConnectionFactoryJndiName must be set to the JNDI name of the corresponding connection factory in WebLogic's JNDI store. For a description of this and other properties that may be configured, see the table "ManagedConnectionFactory properties" below.
To create a Glassfish destination object and configure it to refer to a corresponding WebLogic JMS destination
To create a Glassfish destination object and configure it to refer to a corresponding WebLogic JMS destination, execute the following (as a single line):
asadmin create-admin-object --host localhost --port 4848 --target server --restype javax.jms.Queue --property DestinationJndiName=jms/WLOutboundQueue --raname genericra jms/outboundQueue
These commands together creates a destination in Glassfish which has the JNDI name jms/outboundQueue which uses the resource adapter config genericra, and is of type javax.jms.Queue. It is configured with the properties specified using the --properties argument; multiple properties are configured as a colon-separated list of name-value pairs. Only one property is configured in this example, as follows:
| Property | Value |
|---|---|
| DestinationJndiName | jms/WLOutboundQueue |
DestinationJndiName must be set to the JNDI name of the corresponding destination in WebLogic's JNDI store. For a description of this and other properties that may be configured, see the table "Destination properties" below.
The tables below list the properties that need to be set to configure the resource adapter and any activation specs, managed connections and other administered objects when using GenericJMSRA to communicate with WebLogic JMS.
These properties are used to configure the resource adapter itself when it is deployed, and can be specified using the create-resource-adapter-config command.
| Property Name | Required value | Default Value | Description |
|---|---|---|---|
| ProviderIntegrationMode | jndi | javabean | Specifies that connection factories and destinations in Glassfish's JNDI store will be configured by the user to refer to connection factories and destinations in WebLogic's JNDI store. |
| DeliveryType | Synchronous | Asynchronous | Specifies whether a MDB should use a ConnectionConsumer (Asynchronous) or consumer.receive() (Synchronous) when consuming messages. Set to Synchronous when using WebLogic JMS. |
| SupportsXA | false | false | Specifies whether the jms client supports XA or not. Set to false when using WebLogic JMS |
| JndiProperties | java.naming.factory.initial=weblogic.jndi.WLInitialContextFactory, java.naming.provider.url=t3://localhost:7001, java.naming.factory.url.pkgs=weblogic.corba.client.naming (replace localhost:7001 with host:port of WebLogic.) |
None | JNDI properties for connecting to WebLogic JNDI, specified as a comma-reparated list of name=value pairs. |
| UserName | Name of WebLogic JMS user | None | Username for use when connecting to WebLogic JMS. May be overridden in ActivationSpec and ManagedConnection. If no username is specified anonymous connections will be used, if permitted |
| Password | Password corresponding to UserName | None |
Password for use when connecting to WebLogic JMS. |
| LogLevel | Desired log level of JDK logger. | INFO | Used to specify the level of logging. |
| CommonSetterMethodName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| ConnectionFactoryClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| QueueConnectionFactoryClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| TopicConnectionFactoryClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| XAConnectionFactoryClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| XAQueueConnectionFactoryClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| XATopicConnectionFactoryClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| ConnectionFactoryProperties | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| UnifiedDestinationClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| QueueClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| TopicClassName | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| RMPolicy | Not used | Not used | Not used if SupportXA is false |
Destination (queue or topic) objects are created in the Glassfish JNDI store using the Glassfish admin console or the asadmin connector-admin-object command. All the properties that can be set on a resource adapter configuration can be overridden by setting them on a destination object. The properties specific to destination objects are listed in the following table.
| Property Name | Required value | Default Value | Description |
|---|---|---|---|
| DestinationJndiName | A valid JNDI name | None | JNDI name of destination object in the Glassfish JNDI store. This destination object should be configured to refer to the "real" destination in the WebLogic JNDI store. |
| DestinationProperties | Not used | None | Not used if ProviderIntegrationMode is jndi |
ManagedConnectionFactory objects are created in the Glassfish JNDI store using the Glassfish admin console or the asadmin connector-connection-pool command. All the properties that can be set on a resource adapter configuration can be overridden by setting them on a destination object. The properties specific to ManagedConnectionFactory objects are listed in the following table.
| Property Name | Required value | Default Value | Description |
|---|---|---|---|
| ClientID | A valid client ID | None | JMS ClientID |
| ConnectionFactoryJndiName | A valid JNDI Name | None | JNDI name of connection factory in the Glassfish JNDI store. This connection factory should be configured to refer to the "real" connection factory in the WebLogic JNDI store. |
| ConnectionValidationEnabled | true or false | FALSE | If set to true, the resource adapter will use an exception listener to catch any connection exception and will send a CONNECTION_ERROR_OCCURED event to application server. |
An ActivationSpec is a set of properties that configures a MDB. It is defined either in the MJB's Sun-specific deployment descriptor sun-ejb-jar.xml using activation-config-property elements or in the MDB itself using annotation. All the resource adapter properties listed in the table above can be overridden in a ActivationSpec. Additional properties available only to a ActivationSpec are given below.
| Property Name | Required value | Default Value | Description |
|---|---|---|---|
| MaxPoolSize | An integer | 8 | Maximum number of threads used internally by
resource adapter for concurrent message delivery. This should
be equal to maximum pool size of MDB objects.
Only used for queues; ignored for topics, when a value of 1 is always used. |
| MaxWaitTime | Not used | Not used | Not used if DeliveryType is Synchronous |
| SubscriptionDurability | Durable or Non-Durable | Non-Durable | Only used for topics. Specifies whether the subscription is durable or non-durable. |
| SubscriptionName | None | Only used for topics when SubscriptionDurability is Durable. Specifies the name of the durable subscription. | |
| MessageSelector | A valid message selector | None | JMS message selector |
| ClientID | A valid client ID | None | JMS ClientID |
| ConnectionFactoryJndiName | A valid JNDI Name | None | JNDI name of connection factory in the Glassfish JNDI store. This connection factory should be configured to refer to the "real" connection factory in the WebLogic JNDI store. |
| DestinationJndiName | A valid JNDI Name | None | JNDI name of destination in the Glassfish JNDI store. This destination should be configured to refer to the "real" destination in the WebLogic JNDI store. |
| DestinationType | javax.jms.Queue or javax.jms.Topic | None | Specifies whether the configured DestinationJndiName refers to a queue or topic |
| DestinationProperties | Not used | Not used | Not used if ProviderIntegrationMode is jndi |
| RedeliveryAttempts | Not supported | Not supported | Not supported when SupportsXA is false |
| RedeliveryInterval | Not supported | Not supported | Not supported when SupportsXA is false |
| SendBadMessagesToDMD | Not supported | Not supported | Not supported when SupportsXA is false |
| DeadMessageDestinationJndiName | Not supported | Not supported | Not supported when SupportsXA is false |
| DeadMessageDestinationClassName | Not supported | Not supported | Not supported when SupportsXA is false (and not in any case used when ProviderIntegrationMode is jndi) |
| DeadMessageDestinationProperties | Not supported | Not supported | Not supported when SupportsXA is false (and not in any case used when ProviderIntegrationMode is jndi) |
| DeadMessageConnectionFactoryJndiName | Not supported | Not supported | Not supported when SupportsXA is false |
| DeadMessageDestinationType | Not supported | Not supported | Not supported when SupportsXA is false |
| ReconnectAttempts | integer | 0 | Number of times a reconnect will be attempted in case exception listener catches an error on connection |
| ReconnectInterval | Time in seconds | 0 | Interval between reconnection attempts |
Due to the nature of the WebLogic JMS client there are a number of limitations in the way in which it can be used with GenericJMSRA.
WebLogic JMS does not support the optional JMS "Chapter 8" interfaces for XA transactions in a form suitable for use outside WebLogic server. Therefore the GenericJMSRA resource adapter configuration must set the property SupportsXA to false. This has a number of implications for the way in which applications may be used. These are described below.
If container-managed transactions are used, the transactional attribute of a MDB should be set to NotSupported. No transaction will be started. Messages will be received in a non-transacted session with an acknowledgeMode of AUTO_ACKNOWLEDGE.
A transactional attribute is Required should not be used; MDB activation will fail with an exception: javax.resource.ResourceException: MDB is configured to use container managed transaction. But SupportsXA is configured to false in the resource adapter.
The remaining transactional attributes are normally considered inappropriate for use with a MDB. If used, the following behaviour will arise:
If the transactional attribute is RequiresNew then MDB activation will fail with an exception: javax.resource.ResourceException: MDB is configured to use container managed transaction. But SupportsXA is configured to false in the resource adapter.
If the transactional attribute is Mandatory, the MDB can be activated but a TransactionRequiredException (or similar) will always be thrown by the server.
If the transactional attribute is Supports, then no transaction will be started and the MDB will work as if NotSupported had been used.
If the transactional attribute is Never, then no transaction will be started and the MDB will work as if NotSupported had been used.
If bean-managed transactions are configured then in accordance with the EJB spec any UserTransaction started by the bean will have no effect on the consumption of messages..
Messages will be received in a non-transacted session with an acknowledgeMode of AUTO_ACKNOWLEDGE.
When accessing connections directly (such as when sending messages from a MDB or EJB) and container-managed transactions are being used, the connection pool's transaction-support property should be set to either LocalTransaction or NoTransaction. If the default value of XATransaction is used an exception will be thrown at runtime when createConnection() is called. This is the case irrespective of the transactional attribute of the MDB or EJB. Note that MDBs must have their transactional attribute set to NotSupported as specified above, whereas an EJB may use any transactional attribute.
If there is no transaction in progress within the bean method (e.g. notSupported is being used) then it doesn't make any difference whether the connection pool's transaction-support property is set to LocalTransaction or NoTransaction; the transactional behaviour will be determined by the arguments to createSession(). If you want the outbound message to be sent without a transaction, call createSession(false, ...). If you want the outbound message to be sent in a local transaction call createSession(true, Session.SESSION_TRANSACTED), remembering to call session.commit() or session.rollback() after the message is sent..
If there is a transaction in progress within the bean method (which will only be possible for EJBs) then setting the connection pool's transaction-support property to LocalTransaction or NoTransaction gives different results: If it is set to NoTransaction then a non-transacted session will be used. If it is set to LocalTransaction then a (local, non-XA) transacted session will be used which will be committed or rolled back when the UserTransaction is committed or rolled back. In this case, calling session.commit() or session.rollback() will cause an exception.
When accessing connections directly (such as when sending messages from a MDB or EJB) and bean-managed transactions are being used, then as with the CMT case the connection pool's transaction-support property should be set to either LocalTransaction or NoTransaction. If the default value of XATransaction is used an exception will be thrown at runtime when createConnection() is called. This is the case irrespective of whether a UserTransaction is in progress.
If there is no UserTransaction in progress then it doesn't make any difference whether the connection pool's transaction-support property is set to LocalTransaction or NoTransaction; the transactional behaviour will be determined by the arguments to createSession(). If you want the outbound message to be sent without a transaction, call createSession(false, ...). If you want the outbound message to be sent in a local transaction call createSession(true, Session.SESSION_TRANSACTED), remembering to call session.commit() or session.rollback() after the message is sent..
If there is a UserTransaction in progress then setting the connection pool's transaction-support property to LocalTransaction or NoTransaction gives different results: If it is set to NoTransaction then a non-transacted session will be used. If it is set to LocalTransaction then a (local, non-XA) transacted session will be used which will be committed or rolled back when the UserTransaction is committed or rolled back. In this case, calling session.commit() or session.rollback() will cause an exception.
Due to the lack of XA support when using WebLogic JMS, there is no support for GenericJMSRA's dead message queue feature, in which a message that has been redelivered to a MDB a defined number of times is sent to a dead message queue.
WebLogic JMS does not support the optional JMS "Chapter 8" interfaces for "Concurrent Processing of a Subscription's Messages" (ServerSession, ServerSessionPool and ConnectionConsumer) in a form suitable for use outside WebLogic server. Therefore the GenericJMSRA resource adapter configuration must set the property DeliveryType to Synchronous.
This affects the way in which MDBs consume messages from a queue or topic as follows:
When messages are being received from a queue, each MDB instance will have its own session and consumer, and will consume messages by repeatedly calling receive(timeout). This allows the use of a pool of MDBS to process messages from the queue.
When messages are being received from a topic, only one MDB instance will be used irrespective of the configured pool size. This means that a pool of multiple MDBs cannot be used to share the load of processing messages, which may reduce the rate at which messages can be received and processed.
This restriction is a consequence of the semantics of synchronously consuming messages from topics in JMS: In the case of non-durable topic subscriptions, each consumer receives a copy of all the messages on the topic, so using multiple consumers would result in multiple copied of each message being received rather than allowing the load to be shared amongst the multiple MDBs. In the case of durable topic subscriptions, only one active consumer is allowed to exist at a time.


Leo Leptich, who is nearly two years old, was born with epidermolysis bullosa, a rare and painful blistering skin disease.
The incurable genetic disorder is often referred to as “butterfly skin." The condition leaves the entire body delicate and easily able to blister from even the slightest friction.
The toddler relies on medical bandages to prevent painful cuts or blistering.
But on Tuesday the bandages were stolen from his home in the Riversdale neighbourhood, according to the boy’s parents.
"We came home and there was one box of bandages and brought it inside and thought that’s all that got delivered. But when I looked through them later, there was something obviously missing because there wasn’t a packing slip or anything," Leo’s father Adam Leptich said in an interview.
"So I looked at my camera. To see people steal that kind of stuff, it’s heartbreaking."
He shared footage from their doorbell camera on Facebook, in hopes of catching the thieves.
"If anybody knows these ladies please pass their names on to the police," Leptich wrote.
The video appears to show two people taking the boxes and loading them into a dark-coloured van.
The Facebook post has been viewed more than 77,000 times.
Police are investigating the incident.


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Before Change
with connection.cursor() as cursor:
cursor.execute("SELECT 1; -- Healthcheck")
health = cursor.fetchone()[0] == 1
size = None
if health:
cursor.execute("select pg_database_size("postgres") as size")
size = cursor.fetchone()
return health, size
@classmethod
def run(cls):
health, size = cls.pg_health()
After Change
return Result(message="Service is healthy, db size {}".format(size))
return Result(message="Service is not working.", severity=Result.WARNING)
except Exception as e:
return Result(message="Service unable to connect, encountered "{}" error.".format(e),
severity=Result.ERROR)
@classmethod
def run(cls):
result = cls.pg_health()


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java.lang.Object org.apache.catalina.core.StandardHostDeployer
Implementation of Deployer that is delegated to by the
StandardHost
implementation class.
| Field Summary | |
protected StandardHost |
host
The StandardHost instance we are associated with. |
protected static StringManager |
sm
The string manager for this package. |
| Fields inherited from interface org.apache.catalina.Deployer |
INSTALL_EVENT, PRE_INSTALL_EVENT, REMOVE_EVENT |
| Constructor Summary | |
StandardHostDeployer(StandardHost host)
Create a new StandardHostDeployer associated with the specified StandardHost. |
| Method Summary | |
void |
addChild(Container child)
Delegate a request to add a child Context to our associated Host. |
protected org.apache.commons.digester.Digester |
createDigester()
Create (if necessary) and return a Digester configured to process the context configuration descriptor for an application. |
protected void |
deleteDir(java.io.File dir)
Delete the specified directory, including all of its contents and subdirectories recursively. |
Context |
findDeployedApp(java.lang.String contextPath)
Return the Context for the deployed application that is associated with the specified context path (if any); otherwise return null . |
java.lang.String[] |
findDeployedApps()
Return the context paths of all deployed web applications in this Container. |
java.lang.String |
getName()
Return the name of the Container with which this Deployer is associated. |
java.lang.ClassLoader |
getParentClassLoader()
Delegate a request for the parent class loader to our associated Host. |
void |
install(java.lang.String contextPath,
java.net.URL war)
Install a new web application, whose web application archive is at the specified URL, into this container with the specified context path. |
void |
install(java.net.URL config,
java.net.URL war)
Install a new web application, whose context configuration file (consisting of a <Context> element) and (optional)
web application archive are at the specified URLs. |
void |
remove(java.lang.String contextPath)
Remove an existing web application, attached to the specified context path. |
void |
remove(java.lang.String contextPath,
boolean undeploy)
Remove an existing web application, attached to the specified context path. |
void |
start(java.lang.String contextPath)
Start an existing web application, attached to the specified context path. |
void |
stop(java.lang.String contextPath)
Stop an existing web application, attached to the specified context path. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
protected StandardHost host
StandardHost
instance we are associated with.
protected static StringManager sm
| Constructor Detail |
public StandardHostDeployer(StandardHost host)
host
- The StandardHost we are associated with| Method Detail |
public java.lang.String getName()
getName
in interface Deployer
public void install(java.lang.String contextPath, java.net.URL war) throws java.io.IOException
If this application is successfully installed, a ContainerEvent of type
PRE_INSTALL_EVENT
will be sent to registered listeners
before the associated Context is started, and a ContainerEvent of type
INSTALL_EVENT
will be sent to all registered listeners
after the associated Context is started, with the newly created
Context
as an argument.
install
in interface Deployer
contextPath
- The context path to which this application should
be installed (must be unique)war
- A URL of type "jar:" that points to a WAR file, or type
"file:" that points to an unpacked directory structure containing
the web application to be installed
java.lang.IllegalArgumentException
- if the specified context path
is malformed (it must be "" or start with a slash)
java.lang.IllegalStateException
- if the specified context path
is already attached to an existing web application
java.io.IOException
- if an input/output error was encountered
during installationpublic void install(java.net.URL config, java.net.URL war) throws java.io.IOException
Install a new web application, whose context configuration file
(consisting of a <Context>
element) and (optional)
web application archive are at the specified URLs.
PRE_INSTALL_EVENT
will be sent to registered listeners
before the associated Context is started, and a ContainerEvent of type
INSTALL_EVENT
will be sent to all registered listeners
after the associated Context is started, with the newly created
Context
as an argument.
install
in interface Deployer
config
- A URL that points to the context configuration descriptor
to be used for configuring the new Contextwar
- A URL of type "jar:" that points to a WAR file, or type
"file:" that points to an unpacked directory structure containing
the web application to be installed, or null
to use
the docBase
attribute from the configuration descriptor
java.lang.IllegalArgumentException
- if one of the specified URLs is
null
java.lang.IllegalStateException
- if the context path specified in the
context configuration file is already attached to an existing web
application
java.io.IOException
- if an input/output error was encountered
during installationpublic Context findDeployedApp(java.lang.String contextPath)
null
.
findDeployedApp
in interface Deployer
contextPath
- The context path of the requested web applicationpublic java.lang.String[] findDeployedApps()
findDeployedApps
in interface Deployer
public void remove(java.lang.String contextPath) throws java.io.IOException
REMOVE_EVENT
will be sent to all
registered listeners, with the removed Context
as
an argument.
remove
in interface Deployer
contextPath
- The context path of the application to be removed
java.lang.IllegalArgumentException
- if the specified context path
is malformed (it must be "" or start with a slash)
java.lang.IllegalArgumentException
- if the specified context path does
not identify a currently installed web application
java.io.IOException
- if an input/output error occurs during
removalpublic void remove(java.lang.String contextPath, boolean undeploy) throws java.io.IOException
REMOVE_EVENT
will be sent to all
registered listeners, with the removed Context
as
an argument. Deletes the web application war file and/or directory
if they exist in the Host's appBase.
remove
in interface Deployer
contextPath
- The context path of the application to be removedundeploy
- boolean flag to remove web application from server
java.lang.IllegalArgumentException
- if the specified context path
is malformed (it must be "" or start with a slash)
java.lang.IllegalArgumentException
- if the specified context path does
not identify a currently installed web application
java.io.IOException
- if an input/output error occurs during
removalpublic void start(java.lang.String contextPath) throws java.io.IOException
start
in interface Deployer
contextPath
- The context path of the application to be started
java.lang.IllegalArgumentException
- if the specified context path
is malformed (it must be "" or start with a slash)
java.lang.IllegalArgumentException
- if the specified context path does
not identify a currently installed web application
java.io.IOException
- if an input/output error occurs during
startuppublic void stop(java.lang.String contextPath) throws java.io.IOException
stop
in interface Deployer
contextPath
- The context path of the application to be stopped
java.lang.IllegalArgumentException
- if the specified context path
is malformed (it must be "" or start with a slash)
java.lang.IllegalArgumentException
- if the specified context path does
not identify a currently installed web application
java.io.IOException
- if an input/output error occurs while stopping
the web applicationpublic void addChild(Container child)
child
- The child Context to be addedpublic java.lang.ClassLoader getParentClassLoader()
protected org.apache.commons.digester.Digester createDigester()
protected void deleteDir(java.io.File dir)
dir
- File object representing the directory to be deleted
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---
layout: null
section-type: about
title: About
---
## About
I am pursuing post-graduation in Management from National Institute of Industrial Engineering (NITIE), Mumbai, India. I have worked with cross-functional product teams at SAP Labs, serving multiple industries and sectors of businesses. I am a Computer Science graduate from Birla Institute of Technology, Mesra, India.
I have gained deep technical expertise in cloud product development, artificial intelligence and functional expertise in financials and digital transformation. My areas of interest lie in the domain of Business Strategy and Product Management.
I'm passionate about solving real-world business problems, and leading projects on a sustainable growth trajectory.


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The Growth Stages screen for Dry Beans (Phaseolus vulgaris L.) is displayed below showing the parameters for the Generic variety. Please see the Growth Stages Example topic for a general description of the growth stages screen.
There are fourteen growth stages for dry beans. According to the "Dry Bean Production & Pest Management Bulletin 562A", there are four developmental stages in Dry Beans. Stage I is the first part of the vegetative phase and includes germination, emergence and the early part of vegetative growth. Stage II occurs in the latter half of the vegetative phase from the emergence of the third trifoliate leaf to the first flower opening. Stage III is in the first part of the reproductive phase of the life cycle. While in Stage III, the plant progresses from the first flower to mid pod set. The last stage, Stage IV, completes the reproductive phase of plant growth and occurs from the beginning of filling of the first-formed pods to maturity and ready for harvest.
Vegetative:
Seeding to Emergence E) - the seedling emerges through the soil and the hypocotyl appears.
E to Cotyledonary Leaves (VC) - there are two cotyledons above ground at the first node and two primary, unifoliate leaves are unfolded at node 2.
VC to 1st Trifoliate Leaf (V1) - the first trifoliate leaf has unfolded at node 3.
V1 to 2nd Trifoliate Leaf (V2) - the second trifoliate leaf has unfolded at node 4.
V2 to 3rd Trifoliate Leaf (V3) - the third trifoliate leaf has unfolded at node 5.
V3 to 4th Trifoliate Leaf (V4) - the fourth trifoliate leaf has unfolded at node 6. Branches develop and vegetative growth progresses rapidly.
Reproductive:
V4 to Bloom (R1) - there is one open flower.
R1 to Mid-Full Flower (R2) - 50% of the flowers are open.
R2 to Early Pod Set (R3/VN) - one pod has reached maximum length. The Early Pod Set R3 stage is also the VN stage when the last trifoliate leaf is produced. Leaves continue to be added until the R3/VN stage.
R3 to Mid Pod Set (R4) - 50% of the pods are at maximum length.
R4 to Early Seed Fill (R5) - one pod has fully developed seeds.
R5 to Mid Seed Fill (R6) - 50% of the pods contain fully developed seeds.
R6 to Maturity (R7) - one pod has changed color to a mature color such as yellow, tan, purple or even striped. This indicates physiological maturity.
R7 to Harvest Ready (R8) - the plant is ready to be harvested; 80% of the pods have changed to the mature color.
The Back... button will take you back to the previous screen .
The Help... button opens a screen displaying help for this screen.
The Variety drop down list displays the available selections of Dry Bean types and varieties. There are three selections based on time to Maturity and include Early Maturity (E, 85-95 days), Medium Maturity (also Generic in this listing) (M, 90-94 days), Full Season (F, 95-99 days) (not currently included in the variety drop down list) and Late Maturity (L, 100 or more days). Quite a few varieties are listed with these Maturity designations.
The Run... button executes the program with the selections that have been chosen.
The Reset button sets all the values in the columns back to their original, default values.
Links to the Phenology Diagram and the Developmental Sequence for Dry Beans.


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On 12 March 2020, 7 new articles were published in 4 journals.
The Role of Morality and Self-Control in Conditioning the Criminogenic Effect of Provocation. A Partial Test of Situational Action Theory by Jennifer Barton-Crosby, Helmut Hirtenlehner
Citizen Willingness to Report Wildlife Crime by Kelsie Leavitt, Eric J. Wodahl, Kimberly Schweitzer
Black Bodies At the Dangerous Intersection of Gender Violence and Mass Criminalization by Beth E. Richie, Erin Eife
“It’s Fine; I’m Fine”: Considerations For Trauma-Informed Healthcare Practices by Jessica McDonald
All Involved in the Recovery: Disclosure and Social Reactions Following Sexual Victimization by Christine Therriault, Noémie Bigras, Martine Hébert, Natacha Godbout
Fully Homomorphic Symmetric Key Encryption-Based Access Control Over Outsourced Cloud Data Using Smith Normal Form by C. N. Umadevi, G. Kumaresan, N. P. Gopalan
Racial Variations in Work-Related Stress Among Police Officers by Gary R. Repasky, Richard Lee Rogers, Christopher Bellas, Gordon Frissora


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Compressing Images¶
Please refer to Getting Started document to get additional information on how to use sample projects
After adding the destination settings for the image, select the preset setting and click on “Process” button or right click over the preset setting and click Process <name of the compressed file>
If you want to process all the settings that are set for an original image, right click over the root image and click Process all setting for <Original image file name>. For instance, example below will process and generate result for Ruby_bmp_1 and Ruby_2.
When compression process begins, a Progress window and an Output window will appear.
When the compression process completes, the Project Explorer will change to indicate the status of the resulting compressed Ruby_bmp_1 image with a small green (succeeded) or red circle (failed), and the Output window will indicate additional information on the succeeded or failed compression process.
Converting Image Formats¶
Converting an image to a different format of similar or like quality (Transcode)
Add the image to the project explorer
Add a new destination item setting with a format of ARGB_8888 (applies to most images) unless the original image is HDR in which case select ARGB_32F.
Note: The application cannot currently convert between source and destination variations of ARGB_8888 and ARGB_32F formats
Now set the desired destination file extension from the supported list
Process the destination item
Using the Make Compatible Feature¶
With the GPU or CLI tools, users can compress HDR and LDR images using any BCn codec without specific knowledge of the source format. For example, HDR images can only be compressed by BC6 any attempt to use BC1 to BC5 or BC7 will fail compression. Transformations are automatically handled to make the image source format compatible with the encoder when using the CPU or GPU based encoding.
Compressonator performs auto conversions of FP16 to Byte and Byte to FP16 formats when encoding textures with GPU or CPU encoders. A pre-conversion of the source data is performed into a temporary buffer which is then sent for processing, once the processing is completed the buffer is removed.
To see how this works, try processing an EXR file format image to compress with formats like BC1 to BC5 or BC7 using the “Encode with” option for HPC, GPU_DirectX or GPU_OpenCL If you are unfamiliar with how to process textures, check the tutorial on “getting started using sample projects”.
Compressing Signed Channel Images¶
Signed channel component processing is available in the Compressonator SDK, Command-Line, and GUI applications.
This supports processing textures from 8-bit unsigned or signed channels to BC4 and BC5 formats.
In the GUI the process is no different than that described for compressing images using the project explorer. Image views will show additional status information about the signed channel data and how it is rendered onto the image views as unsigned channel formats.
For BC4 and BC5 encoding as a signed component use the destination settings option as BC4_S and BC5_S
Decompressing Textures¶
Compressed images can be added to the project view as original items and viewed with the Image Viewer.
BC7 Compressed Image View of Ruby view as original image
Additional destination item settings can then be added to decompress the original item to a new format such as BMP, PNG etc.
Note: Compressed images used as original image cannot be recompressed to a new compressed destination, the selections are still enabled for support in future versions.
In the example below, a BC7 compressed image ruby is uncompressed to ARGB 8888 format and saved as a KTX file.
Ruby DDS file saved as a KTX file
Improving Compression Quality¶
The application allows multiple variation in processing a source image with a number of different image compression techniques. Each having specific quality and performance results.
By cycling different options between compress formats, quality setting and examining the image differences and views, users can quickly determine what works best for their image samples.
Channel weighting¶
Channel weighting option (X Red, Y Green and Z Blue weighting) enabled on compression destination setting for supported Compression Codecs.
Users can edit the color channel weight ratio (total is 1.0000) by editing the value on each channel. Each channel has their default value (recommended value) set.
Alpha setting enabled for BC1 (DXT1)¶
Alpha setting enabled for DXT1/BC1 compression
For DXT1/BC1 compression format, users can choose to enable/disable the alpha channel in the compression. It is disabled by default.
HDR Properties setting¶
HDR Properties setting enabled for half float and float type images (for HDR view support)
For HDR floating point images, users can choose to adjust the exposure, defog, and knee low as well as knee high properties of the display images. It is disabled by default.
It can be enabled and shown by choosing the “HDR Properties…” from the “View…” drop down list:
After clicking on “HDR Properties…” the window below will pop up:
ETC2¶
Compressonator supports ETC2 formats that are based on the following standards:
| CMP | Vulkan | DirectX | OpenGL |
|---|---|---|---|
| CMP_FORMAT_ETC_RGB | VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK | DXGI_FORMAT_UNKNOWN | GL_COMPRESSED_RGB8_ETC2 |
| CMP_FORMAT_ETC2_RGB | VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK | DXGI_FORMAT_UNKNOWN | GL_COMPRESSED_RGB8_ETC2 |
| CMP_FORMAT_ETC2_RGBA | VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK | DXGI_FORMAT_UNKNOWN | GL_COMPRESSED_RGBA8_ETC2_EAC |
| CMP_FORMAT_ETC2_RGBA1 | VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK | DXGI_FORMAT_UNKNOWN | GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 |
The GUI and Command Line formats are specified as:
| GUI and CLI | SDK |
|---|---|
| ETC_RGB | CMP_FORMAT_ETC_RGB |
| ETC2_RGB | CMP_FORMAT_ETC2_RGB |
| ETC2_RGBA | CMP_FORMAT_ETC2_RGBA |
| ETC2_RGBA1 | CMP_FORMAT_ETC2_RGBA1 |
Process results for image with alpha channel:
Using the image sample ruby_alpha.tga, add compression setting for ETC2_RGB, ETC2_RGBA and ETC2_RGBA1 and process.
The results should look like the following when viewing the decompressed images:
Ruby Image contains alpha channels and processed with ETC2_RGB
Ruby image processed with ETC2_RGBA
Ruby image processed with ETC2_RGBA1
ASTC¶
ASTC compression and decompression of various block sizes from 4x4 to 12x12 has been added to the SDK. Viewing compressed ASTC images using the OpenGL option requires GPU hardware that supports the ASTC format. CPU based views have no hardware dependencies.
Note: DirectX 11 does not support viewing ASTC and ETC2 compressed textures.
When ASTC is selected as a destination format, users can specify the numerical compression bitrate (e.g. 8) or block number XxY (e.g. 4x4) under the ASTC BlockRate section. Once specified, the closest bit rate and the block number will be computed and shown in the info window. This closest bit rate will be used for ASTC compression.
Selectable GPU or CPU based compressed image views¶
You can select how compressed images are viewed on the GUI View image tabs. The compressed textures are decompressed into RGBA_8888 format using either the Compressonator CPU based decompression algorithms or the GPU via a common interface for OpenGL (version 3.3 and up) or DirectX (only version 11 is supported).
Click on Set Application Options, Application Settings window pops up as shown below:
Users can choose to view the decompressed images using CPU, OpenGL, DirectX or Vulkan.
After setting the application options, click on the compressed image to view the image.
Example views of compressed BC7 image ruby_1.dds
CPU View
View using OpenGL
View using DirectX
Users still able to generate image diff view with GPU as shown below:


Hi All,
I found a forum post explaining how to setup inputs to record grid import / export when setting up the emonTX v3 in a 'type 2' Solar PV installation.
However I'm having some issues with a couple of my feeds that I hope you can tell me where I'm going wrong. This is my input configuration for my CT clamp on my mains line;
+ input: 2 is my Solar PV CT clamp which reports the correct values.
The allow negative check seems to be working with the PV exported figures reporting correctly. However problems are introduced from the first Allow Positive, where Power Imported always has a 0 value.
Subsequently my values for Household Power Consumption always report the same as the PV output because the +input: 2 has just taken 0 + Solar PV.
Can anyone suggest what I'm doing wrong?
Thanks,
James
Re: inputs not behaving correctly
Hi James, using "allow negative" effectively withholds positives so when you then use "allow positive" it will withhold the negatives and allow the positives of which there are none as they where previously withheld by the initial "allow negative".
As the result at line 6 will always be 0 you can leave lines 1-6 as is and introduce "add input" 1 and then filter this with another "allow positive" this will have the desired result. I don't think you need the "allow positive" at line 11 so you could just move that up and just add the "add input 1"
Paul
Re: inputs not behaving correctly
Hi Paul - thank you so much for taking the time to help. I think you've nailed it on the head. So far it seems to be behaving as expected though I'll need to wait for tomorrow when the sun comes back up again so I can generate some -ve values on the grid :)
The whole input processing side of things doesn't appear to be well documented so for a newbie it's all very confusing :)
Thanks,
James
Re: inputs not behaving correctly
The documentation is a little thin in places, but it is a difficult topic to document and the best way to learn is to just dive in.:-)
To help learn & debug I created dummy feeds in each input process that i could move up and down at will to expose the values in the process lists eg debugGrid, debugSolar etc
Looking closer at your original process list I don't think you are going to get what you are expecting.
"Household Power Consumption" is only going to report import + solar without any consideration for export.
Maybe on the solar input process list you should add input 1 and log to feed "Household Power Consumption" instead, Solar + Grid = usage regardless of whether you are importing or exporting as export is a negative value.
Paul


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java.lang.Object IntentService com.lows.LowsBackgroundAlarmScanner
public class LowsBackgroundAlarmScanner
This class implements the LoWS Background Scanner Service, this IntentService is executed periodically by the AlarmManager which is set within the LowsActivity class. TODO: -find reason why the background scanner crashes sometimes -move display and search string storage to sqlite -Try to find a way to prevent parsing the Scan Results twice, currently we parse them within the LowsActivity and within this class. -Same as in the LowsActivity, the extended (flexible) LoWS parsing is not complete, currently fragmentation, encryption, signature validation and extended type extraction is not supported, when a way has found to only parse the data once for the BackgroundScanner and the Main LowsActivity, then this should be done.
| Nested Class Summary | |
|---|---|
(package private) class |
LowsBackgroundAlarmScanner.WifiBackgroundScanReceiver
WifiScanReceiver, the BroadcastReceiver class for the IEEE 802.11 scan |
| Field Summary | |
|---|---|
private java.lang.String[] |
alarmMessagesData
|
private int |
alarmMessagesDataLength
|
private java.util.List<AccessPoint> |
aps
|
private java.util.List<LoWS> |
lows
|
(package private) WifiManager |
mainWifiObj
|
private boolean |
scanFinished
|
private java.lang.String[] |
searchNCompareData
|
private int |
searchNCompareDataLength
|
private static java.lang.String |
TAG
|
private AccessPoint |
tempAp
|
(package private) LowsBackgroundAlarmScanner.WifiBackgroundScanReceiver |
wifiRecieverBackground
|
| Constructor Summary | |
|---|---|
LowsBackgroundAlarmScanner()
|
| Method Summary | |
|---|---|
(package private) void |
compareResultWithSearchStrings()
This function is called after all LoWS messages have been parsed. |
void |
encryptExtendedData(int i)
|
(package private) void |
ieParser()
Parse the Information Elements stored in the AccessPoint array |
void |
lowsParser()
This function parses the LoWS and extracts the LoWS raw data Beside, this function starts the Broadcast Intent to notify other applications that new LoWS messages have been found. |
void |
onDestroy()
|
protected void |
onHandleIntent(Intent arg0)
|
void |
parseExtendedData(int i)
|
void |
parseExtendedLows(int i)
Parse service data of extended (flexible) LoWS message |
void |
parseExtendedOptionByte(int i)
|
void |
parseExtendedSecurityByte(int i)
|
void |
parseExtendedType(int i)
|
void |
parseReducedLows(int i,
int type)
Parse service data of the reduced LoWS message |
void |
scanFinished()
This function is called when the full IEEE 802.11 scan was completed (incl. |
(package private) void |
scanNsearch()
This function starts the IEEE 802.11 scanning process via the standard Android Wifi API |
(package private) void |
sendNotification(java.lang.String displayMessage,
java.lang.String matchString,
LoWS matchLows)
This function is called from the compareResultWithSearchStrings() function if a match with the search strings occured. |
(package private) void |
startNLscanner()
Start the nlscanner binary and parse the data |
void |
verifyExtendedSignature(int i)
|
void |
waitForScanFinished()
This function waits till the IEEE 802.11 scan was finished, this is needed to keep the BackgroundScanner alive |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
private static final java.lang.String TAG
private java.lang.String[] searchNCompareData
private int searchNCompareDataLength
private java.lang.String[] alarmMessagesData
private int alarmMessagesDataLength
WifiManager mainWifiObj
LowsBackgroundAlarmScanner.WifiBackgroundScanReceiver wifiRecieverBackground
private boolean scanFinished
private java.util.List<AccessPoint> aps
private AccessPoint tempAp
private java.util.List<LoWS> lows
| Constructor Detail |
|---|
public LowsBackgroundAlarmScanner()
| Method Detail |
|---|
protected void onHandleIntent(Intent arg0)
void scanNsearch()
public void onDestroy()
public void waitForScanFinished()
public void scanFinished()
void startNLscanner()
void ieParser()
public void lowsParser()
public void parseReducedLows(int i, int type)
i,
- index within the LoWS Listtype,
- LoWS type, e.g. BEPSpublic void parseExtendedLows(int i)
i,
- index within the LoWS Listpublic void parseExtendedData(int i)
public void verifyExtendedSignature(int i)
public void encryptExtendedData(int i)
public void parseExtendedSecurityByte(int i)
public void parseExtendedType(int i)
public void parseExtendedOptionByte(int i)
void compareResultWithSearchStrings()
void sendNotification(java.lang.String displayMessage, java.lang.String matchString, LoWS matchLows)
displayMessage,
- The message the should be displayed within the notificationmatchString,
- the string that caused the matchmatchLows,
- the LoWS that corresponds to the match
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--- layout: post title: How to initiate a large project categories: [] status: pending type: post published: false meta: _edit_last: '4' ---
What are the challenges of bootstrapping product management for a large project?
There are some things that one will want to accomplish at the beginning of a large
project. The first is to get the product owner really comfortable with the domain
and any legacy systems that will be replaced by the system you're building. Knowledge
of how things are done in a legacy system and knowledge of how a business or organization
operates are indispensable during the execution of the project long term.
This assumes that you've already gotten past "What's the budget?" Someone has to find
the ultimate goal. Assuming that we know the goal of the project and that it's budgeted
for, how do we tactically actually begin starting the project?
One of the most important things to start with is to not start a large project. The
large projects are the ones most at risk to fail and become projects which can't deliver
ultimate value too. It is very important to break large projects up into small projects,
each one being a major milestone and perhaps each one being a three-month project
allowing one to believe "Okay, this is a three month project and we're going to achieve
success in 3 months. We're going to see the system in production in 3 months."
The key is creating a rollout plan and this is where the bulk of your efforts should
be in the planning process. Create a rollout plan that is realistic and takes into
account any legacy systems (and the data migration that would have to be done from
those legacy systems into what you're building) and any integration points that you
will need to build, so that what you create, in these incremental milestones may be
integrated into the larger portfolio of applications the organization uses, and can,
and this is the most important point, be put into production.
In having smaller chunks for your project, you will have smaller deliverables. How
do you plan for each of these modules? How do you start the Agile project management
process? Now that you've broken up your project into smaller projects, how do you
kick start them? How do you prevent writing a huge specifications document out of
an inability to know how far to detail planning and when not to go into detail?
Get some lead time before beginning the incremental deliverables so that you have
requirements ready to go for actual development, a two to three week lead time to
get some well-defined requirements. In beginning with lead time, you can execute,
on a weekly basis, staying two to three weeks ahead of the development team with very
detailed requirements that are actionable for them.
It is very important to protect the backlog. When you define a small milestone, it
is very easy for some of the stakeholders to come forward to say "We should add this
in, and we should do this as well. It is really going to be critical to this, and
we don't want to paint ourselves in a corner." The concerns may be raised in anticipation
of the sixth milestone instead of an attention to the immediate milestone. You will
need to structure architecture so that you indeed don't paint yourself in a corner,
but also don't go in the opposable direction from where you need to go overall. You
still have the knowledge of where you need to go overall, but you should actively
defer the items that are not in the first milestone, because it is more important
to achieve success on the first milestone and to move on, than it is to satisfy fears
of what might happen in the sixth milestone.
Depending on the client, it may be important to have not only the backlog, which is
the approved and official feature list, but also an unbudgeted wish list for future
things, so that there is a forum where people can put in items that won't be forgotten.
Once you set the goals for a 6-week to 3-month project, any capable project manager
and or architect is going to be able to achieve success for something of that scope.
That is a very short period of time.
A lot of organizations have a legacy system or more than one legacy system that will
be replaced by a new project being undertaken. A really intelligent way to order milestone
prioritization in those situations is to dedicate, depending on the length of the
project of course, your first milestone or your first couple of milestones to only
replacing the features in the legacy system or systems that an organization wishes
to keep. There is obviously no point in rebuilding functionality that is not used
or not valuable, but for the functions that are valuable, it makes sense to replace
those as is (or with some minor modifications to the user interface or other productivity
features) and to get those into production.
Then, incrementally or even on a biweekly or monthly basis, begin to release small
new feature sets to users and ease into growing the system rather than releasing a
massive amount of new functionality on one day. From a risk management standpoint,
there is just no comparison between the two approaches.


This is dhcpd-pools ISC dhcp shared network and pool range usage analysis. Purpose of command is to count usage ratio of each IP range and shared network pool which ISC dhcpd is in control of. Users of the command are most likely ISPs and other organizations that have large IP space.
Program is written C. Design goal is to get analysis done quickly where there is lots of data. On cheap laptop the speed of analysis is more than 100k leases per second. Number of ranges, or shared networks, does not make any significant difference in getting analysis done.
Download
release package
or clone from git
See also SourceForge project page.
The dhcpd-pools manual page, and Doxygen software reference documentation are available online.
The program was written because DHCPStatus, DHCP Usage Statistics, reportdhcp.pl, lease_analyzer and dhcpd-snmp where too slow to handle huge number of leases. There is also difference in printed details. The dhcpd-pools does not print quite as much information as some other tools.
Notice that this utility is not the same as dhcpd-pool that is maintained by Trond Hasle Amundsen.
Just for laugh, obsolete awk proof of concept (version 1.4) dhcpd-pools.awk