We are working in development of web based services using PHP here. Our work relies mainly on using Grid technology as the back end (we are on EGEE), but we also have to develop for queueing systems. As such, DRMAA is a natural choice to build our applications. This leads me to the questions: - is there any PHP binding definition? After consulting the list archives I gather the answer is "No". - is there anybody working on defining a DRMAA PHP binding? Again, it seems that the answer is "No", but I'd like to be sure. - is there anybody else besides me interested on such a binding and willing to help define it? And most important of all: - if the answers are all "No" as I expect, may I start working on defining and implementing such a binding myself? Here is my idea: We already have a PHP class implementing access to EGEE grid middleware --see http://savannah.cern.ch/project/gridgramm/ I'd like to build on top of it (or substitute it by) a DRMAA binding. Later on we may consider creating PHP bindings for other queueing systems (SGE, openPBS or even Condor) and Grid implementations. The binding might be functional (based on the C binding) or object-oriented (based on the Java or IDL bindings). That would be open for discussion. Besides, we usually implement everything here as a web service in the latest stages. It falls within our plans to make the binding into a web service as well (we already have some experience with asynchronous web services implementations). It seems that might be welcome, isn't it? But this, again, would be left for a later stage, once we have the basic library available. Finally, pardon for the horrible formatting. I'm using Yahoo's webmail as I'm off work and it shows. j -- Jose R. Valverde, PhD, MD, MSci Head of Scientific Computing EMBnet/CNB ______________________________________________ LLama Gratis a cualquier PC del Mundo. Llamadas a fijos y móviles desde 1 céntimo por minuto. http://es.voice.yahoo.com
Hi Jose, On Thu, 23 Mar 2006, Jose R Valverde wrote:
We are working in development of web based services using PHP here. Our work relies mainly on using Grid technology as the back end (we are on EGEE), but we also have to develop for queueing systems.
As such, DRMAA is a natural choice to build our applications. This leads me to the questions:
- is there any PHP binding definition? After consulting the list archives I gather the answer is "No".
- is there anybody working on defining a DRMAA PHP binding? Again, it seems that the answer is "No", but I'd like to be sure.
I believe answer is no. At least I do not know about anyone who worked on such a binding.
- is there anybody else besides me interested on such a binding and willing to help define it?
And most important of all:
- if the answers are all "No" as I expect, may I start working on defining and implementing such a binding myself?
Sure enough, there is no reason at all not to work on this.
Here is my idea: We already have a PHP class implementing access to EGEE grid middleware --see
This is broken.
I'd like to build on top of it (or substitute it by) a DRMAA binding. Later on we may consider creating PHP bindings for other queueing systems (SGE, openPBS or even Condor) and Grid implementations.
Actually if you make the binding on top of shared DRMAA C library no additional work should be required with the PHP binding. Though I can't rule out deploying it with a different DRM might require little tweaking, but due to DRMAA compliance test suite being used to assure ABI compliance there should be no major surprises.
The binding might be functional (based on the C binding) or object-oriented (based on the Java or IDL bindings). That would be open for discussion.
Besides, we usually implement everything here as a web service in the latest stages. It falls within our plans to make the binding into a web service as well (we already have some experience with asynchronous web services implementations). It seems that might be welcome, isn't it? But this, again, would be left for a later stage, once we have the basic library available.
I must confess I'm a foreigner in web service land. Nevertheless asynchronous web services sounds very interesting. Is there any material that delves into it? Best regards, Andreas
Hi Jose, The URL should be: http://savannah.cern.ch/projects/gridgramm/ ^ One question: are you considering other functionality than Job Submission (== DRMAA) as well? Cheers, Andre. PS: Yeah, I know, I should keep 'subtle' advertisements for SAGA to the our own list ;-) Quoting [Jose R Valverde] (Mar 23 2006):
Date: Thu, 23 Mar 2006 14:55:05 +0100 (CET) From: Jose R Valverde <txomsy@yahoo.es> Subject: [drmaa-wg] PHP binding To: drmaa-wg@ggf.org
We are working in development of web based services using PHP here. Our work relies mainly on using Grid technology as the back end (we are on EGEE), but we also have to develop for queueing systems.
As such, DRMAA is a natural choice to build our applications. This leads me to the questions:
- is there any PHP binding definition? After consulting the list archives I gather the answer is "No".
- is there anybody working on defining a DRMAA PHP binding? Again, it seems that the answer is "No", but I'd like to be sure.
- is there anybody else besides me interested on such a binding and willing to help define it?
And most important of all:
- if the answers are all "No" as I expect, may I start working on defining and implementing such a binding myself?
Here is my idea: We already have a PHP class implementing access to EGEE grid middleware --see
http://savannah.cern.ch/project/gridgramm/
I'd like to build on top of it (or substitute it by) a DRMAA binding. Later on we may consider creating PHP bindings for other queueing systems (SGE, openPBS or even Condor) and Grid implementations.
The binding might be functional (based on the C binding) or object-oriented (based on the Java or IDL bindings). That would be open for discussion.
Besides, we usually implement everything here as a web service in the latest stages. It falls within our plans to make the binding into a web service as well (we already have some experience with asynchronous web services implementations). It seems that might be welcome, isn't it? But this, again, would be left for a later stage, once we have the basic library available.
Finally, pardon for the horrible formatting. I'm using Yahoo's webmail as I'm off work and it shows.
j -- "So much time, so little to do..." -- Garfield
The DRMAA perl binding uses SWIG (Simplified Wrapper and Interface Generator) to define the interface. Once a SWIG interface is defined, then you can get language bindings for many languages: Lua, Tcl, Perl, Python, Ruby, Guile, PHP to name a few... In fact, the Python DRMAA binding was implemented this way: http://gridengine.sunsource.net/servlets/ReadMsg?listName=users&msgNo=13401 Jose, since we already have the DRMAA SWIG interface already implemented and debugged (when we did the Perl bindings), may be you can look into using it as a start?? SWIG: http://en.wikipedia.org/wiki/SWIG Rayson On 3/23/06, Jose R Valverde <txomsy@yahoo.es> wrote:
We are working in development of web based services using PHP here. Our work relies mainly on using Grid technology as the back end (we are on EGEE), but we also have to develop for queueing systems.
As such, DRMAA is a natural choice to build our applications. This leads me to the questions:
- is there any PHP binding definition? After consulting the list archives I gather the answer is "No".
- is there anybody working on defining a DRMAA PHP binding? Again, it seems that the answer is "No", but I'd like to be sure.
- is there anybody else besides me interested on such a binding and willing to help define it?
And most important of all:
- if the answers are all "No" as I expect, may I start working on defining and implementing such a binding myself?
Here is my idea: We already have a PHP class implementing access to EGEE grid middleware --see
http://savannah.cern.ch/project/gridgramm/
I'd like to build on top of it (or substitute it by) a DRMAA binding. Later on we may consider creating PHP bindings for other queueing systems (SGE, openPBS or even Condor) and Grid implementations.
The binding might be functional (based on the C binding) or object-oriented (based on the Java or IDL bindings). That would be open for discussion.
Besides, we usually implement everything here as a web service in the latest stages. It falls within our plans to make the binding into a web service as well (we already have some experience with asynchronous web services implementations). It seems that might be welcome, isn't it? But this, again, would be left for a later stage, once we have the basic library available.
Finally, pardon for the horrible formatting. I'm using Yahoo's webmail as I'm off work and it shows.
j -- Jose R. Valverde, PhD, MD, MSci Head of Scientific Computing EMBnet/CNB
______________________________________________ LLama Gratis a cualquier PC del Mundo. Llamadas a fijos y móviles desde 1 céntimo por minuto. http://es.voice.yahoo.com
Jose, The async web services piece would be more than welcome. We spent some time discussing a WSDL binding for DRMAA, but in the end we were stopped by the issue of blocking. At the time, blocking calls meant either using a proprietary technology or rolling our own notification mechanism. The real problem children are the drmaa_wait() and drmaa_synchronize() calls. They are supposed to be able to block indefinitely, which is impossible in WS. The obvious solution is to use a notification mechanism to achieve blocking, but I'm happy to hear other ideas. Daniel Jose R Valverde wrote On 03/23/06 14:55,:
We are working in development of web based services using PHP here. Our work relies mainly on using Grid technology as the back end (we are on EGEE), but we also have to develop for queueing systems.
As such, DRMAA is a natural choice to build our applications. This leads me to the questions:
- is there any PHP binding definition? After consulting the list archives I gather the answer is "No".
- is there anybody working on defining a DRMAA PHP binding? Again, it seems that the answer is "No", but I'd like to be sure.
- is there anybody else besides me interested on such a binding and willing to help define it?
And most important of all:
- if the answers are all "No" as I expect, may I start working on defining and implementing such a binding myself?
Here is my idea: We already have a PHP class implementing access to EGEE grid middleware --see
http://savannah.cern.ch/project/gridgramm/
I'd like to build on top of it (or substitute it by) a DRMAA binding. Later on we may consider creating PHP bindings for other queueing systems (SGE, openPBS or even Condor) and Grid implementations.
The binding might be functional (based on the C binding) or object-oriented (based on the Java or IDL bindings). That would be open for discussion.
Besides, we usually implement everything here as a web service in the latest stages. It falls within our plans to make the binding into a web service as well (we already have some experience with asynchronous web services implementations). It seems that might be welcome, isn't it? But this, again, would be left for a later stage, once we have the basic library available.
Finally, pardon for the horrible formatting. I'm using Yahoo's webmail as I'm off work and it shows.
j -- Jose R. Valverde, PhD, MD, MSci Head of Scientific Computing EMBnet/CNB
______________________________________________ LLama Gratis a cualquier PC del Mundo. Llamadas a fijos y móviles desde 1 céntimo por minuto. http://es.voice.yahoo.com
-- ****************************************************** * Daniel Templeton UMPK18 x83749 * * Staff Engineer, Sun N1 Grid Engine * ****************************************************** * "What's the sense in never thinkin' 'bout the tomb * * When you're much too busy returning to the womb?" * * -They Might Be Giants * ******************************************************
participants (5)
-
Andre Merzky -
Andreas Haas -
Daniel Templeton -
Jose R Valverde -
Rayson Ho