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boinc/html/inc/submit.inc

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<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2013 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// This file contains a PHP binding of a web-service interface
// for submitting jobs to a BOINC server.
//
// Functions:
// boinc_abort_batch(): abort a batch
// boinc_estimate_batch(); estimate completion time of a batch
// boinc_get_output_file(): get the URL for an output file
// boinc_get_output_files(): get the URL for zipped batch output
// boinc_query_batch(): get details of a batch
// boinc_query_batches(): get list of batches
// boinc_query_job(): get details of a job
// boinc_retire_batch(): retire a batch; delete output files
// boinc_submit_batch(): submit a batch
//// Implementation stuff follows
function req_to_xml($req, $op) {
$x = "<$op>
<authenticator>$req->authenticator</authenticator>
<batch>
<app_name>$req->app_name</app_name>
<batch_name>$req->batch_name</batch_name>
";
if ($req->result_template_file) {
$x .= " <result_template_file>$req->result_template_file</result_template_file>
";
}
foreach ($req->jobs as $job) {
$x .= " <job>
<rsc_fpops_est>$job->rsc_fpops_est</rsc_fpops_est>
<command_line>$job->command_line</command_line>
";
if ((isset($job->target_team)) && ($job->target_team)) {
$x .= " <target_team>$job->target_team</target_team>
";
} elseif ((isset($job->target_user)) && ($job->target_user)) {
$x .= " <target_user>$job->target_user</target_user>
";
} elseif ((isset($job->target_host)) && ($job->target_host)) {
$x .= " <target_host>$job->target_host</target_host>
";
}
foreach ($job->input_files as $file) {
$x .= " <input_file>\n";
$x .= " <mode>$file->mode</mode>\n";
if ($file->mode == "remote") {
$x .= " <url>$file->url</url>\n";
$x .= " <nbytes>$file->nbytes</nbytes>\n";
$x .= " <md5>$file->md5</md5>\n";
} else {
$x .= " <source>$file->source</source>\n";
}
$x .= " </input_file>\n";
}
$x .= " </job>
";
}
$x .= " </batch>
</$op>
";
return $x;
}
function validate_request($req) {
if (!is_object($req)) return "req is not an object";
if (!array_key_exists('project', $req)) return "missing req->project";
if (!array_key_exists('authenticator', $req)) return "missing req->authenticator";
if (!array_key_exists('app_name', $req)) return "missing req->app_name";
if (!array_key_exists('jobs', $req)) return "missing req->jobs";
if (!is_array($req->jobs)) return "req->jobs is not an array";
foreach ($req->jobs as $job) {
// other checks
}
return null;
}
function do_http_op($req, $xml, $op) {
$ch = curl_init("$req->project/submit_rpc_handler.php");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
// see if we need to send any files
//
$nfiles = 0;
$post = array();
$post["request"] = $xml;
$cwd = getcwd();
if ($op == "submit_batch") {
foreach ($req->jobs as $job) {
foreach ($job->input_files as $file) {
if ($file->mode == "inline") {
$path = realpath("$cwd/$file->path");
$post["file$nfiles"] = $path;
$nfiles++;
}
}
}
}
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
$reply = curl_exec($ch);
curl_close($ch);
if (!$reply) return array(null, "HTTP error");
$r = @simplexml_load_string($reply);
if (!$r) {
return array(null, "Can't parse reply XML:\n$reply");
}
$e = (string)$r->error_msg;
if ($e) {
return array(null, $e);
} else {
return array($r, null);
}
}
function do_batch_op($req, $op) {
$retval = validate_request($req);
if ($retval) return array(null, $retval);
$xml = req_to_xml($req, $op);
return do_http_op($req, $xml, $op);
}
function batch_xml_to_object($batch) {
$b = new StdClass;
$b->id = (int)($batch->id);
$b->create_time = (double)($batch->create_time);
$b->est_completion_time = (double)($batch->est_completion_time);
$b->njobs = (int)($batch->njobs);
$b->fraction_done = (double) $batch->fraction_done;
$b->nerror_jobs = (int)($batch->nerror_jobs);
$b->state = (int)($batch->state);
$b->completion_time = (double)($batch->completion_time);
$b->credit_estimate = (double)($batch->credit_estimate);
$b->credit_canonical = (double)($batch->credit_canonical);
$b->name = (string)($batch->name);
$b->app_name = (string)($batch->app_name);
return $b;
}
//// API functions follow
function boinc_estimate_batch($req) {
list($reply, $errmsg) = do_batch_op($req, "estimate_batch");
if ($errmsg) return array(0, $errmsg);
$name = $reply->getName();
if ($name == 'estimate') {
return array((string)$reply->seconds, null);
} else if ($name = 'error') {
return array(null, (string)$reply->message);
} else {
return array(null, "Bad reply message");
}
}
function boinc_submit_batch($req) {
list($reply, $errmsg) = do_batch_op($req, "submit_batch");
if ($errmsg) return array(0, $errmsg);
$name = $reply->getName();
if ($name == 'batch_id') {
return array((int)$reply, null);
} else if ($name == 'error') {
return array(null, (string)$reply->err_message);
} else {
return array(null, "Bad reply message");
}
}
function boinc_query_batches($req) {
$req_xml = "<query_batches>
<authenticator>$req->authenticator</authenticator>
</query_batches>
";
list($reply, $errmsg) = do_http_op($req, $req_xml, "");
if ($errmsg) return array(null, $errmsg);
$batches = array();
foreach ($reply->batch as $batch) {
$b = batch_xml_to_object($batch);
$batches[] = $b;
}
return array($batches, null);
}
function boinc_query_batch($req) {
$req_xml = "<query_batch>
<authenticator>$req->authenticator</authenticator>
<batch_id>$req->batch_id</batch_id>
</query_batch>
";
list($reply, $errmsg) = do_http_op($req, $req_xml, "");
if ($errmsg) return array(null, $errmsg);
$jobs = array();
foreach ($reply->job as $job) {
$j = new StdClass;
$j->id = (int)($job->id);
$j->canonical_instance_id = (int)($job->canonical_instance_id);
$jobs[] = $j;
}
$r = batch_xml_to_object($reply);
$r->jobs = $jobs;
return array($r, null);
}
function boinc_query_job($req) {
$req_xml = "<query_job>
<authenticator>$req->authenticator</authenticator>
<job_id>$req->job_id</job_id>
</query_job>
";
list($reply, $errmsg) = do_http_op($req, $req_xml, "");
if ($errmsg) return array(null, $errmsg);
$instances = array();
foreach ($reply->instance as $instance) {
$i = new StdClass;
$i->name = (string)($instance->name);
$i->id = (int)($instance->id);
$i->state = (string)($instance->state);
$i->outfiles = array();
foreach ($instance->outfile as $outfile) {
$f = new StdClass;
$f->size = (double)$outfile->size;
$i->outfiles[] = $f;
}
$instances[] = $i;
}
$r = new StdClass;
$r->instances = $instances;
return array($r, null);
}
function boinc_abort_batch($req) {
$req_xml = "<abort_batch>
<authenticator>$req->authenticator</authenticator>
<batch_id>$req->batch_id</batch_id>
</abort_batch>
";
list($reply, $errmsg) = do_http_op($req, $req_xml, "");
if ($errmsg) return $errmsg;
$name = $reply->getName();
if ($name == 'error') {
return (string)($reply->message);
}
return null;
}
function boinc_get_output_file($req) {
$auth_str = md5($req->authenticator.$req->instance_name);
$name = $req->instance_name;
$file_num = $req->file_num;
return $req->project."/get_output.php?cmd=result_file&result_name=$name&file_num=$file_num&auth_str=$auth_str";
}
function boinc_get_output_files($req) {
$auth_str = md5($req->authenticator.$req->batch_id);
$batch_id = $req->batch_id;
return $req->project."/get_output.php?cmd=batch_files&batch_id=$batch_id&auth_str=$auth_str";
}
function boinc_retire_batch($req) {
$req_xml = "<retire_batch>
<authenticator>$req->authenticator</authenticator>
<batch_id>$req->batch_id</batch_id>
</retire_batch>
";
list($reply, $errmsg) = do_http_op($req, $req_xml, "");
if ($errmsg) return $errmsg;
$name = $reply->getName();
if ($name == 'error') {
return (string)($reply->message);
}
return null;
}
//// example usage follows
/*
$req->project = "http://isaac.ssl.berkeley.edu/test/";
$req->authenticator = "x";
if (0) {
$req->app_name = "uppercase";
$req->batch_name = "batch_name3";
$req->jobs = array();
$job->input_files = array();
$f->mode = "remote";
$f->url = "http://isaac.ssl.berkeley.edu/validate_logic.txt";
$f->md5 = "eec5a142cea5202c9ab2e4575a8aaaa7";
$f->nbytes = 4250;
$job->input_files[] = $f;
$f = new StdClass;
$f->mode = "local";
$f->source = "foobar";
//$job->input_files[] = $f;
for ($i=10; $i<11; $i++) {
$job->rsc_fpops_est = $i*1e9;
$job->command_line = "--t $i";
$req->jobs[] = $job;
}
if (0) {
list($e, $errmsg) = boinc_estimate_batch($req);
if ($errmsg) {
echo "Error from server: $errmsg\n";
} else {
echo "Batch completion estimate: $e seconds\n";
}
} else {
list($id, $errmsg) = boinc_submit_batch($req);
if ($errmsg) {
echo "Error from server: $errmsg\n";
} else {
echo "Batch ID: $id\n";
}
}
}
if (0) {
list($batches, $errmsg) = boinc_query_batches($req);
if ($errmsg) {
echo "Error: $errmsg\n";
} else {
print_r($batches);
}
}
if (0) {
$req->batch_id = 20;
list($jobs, $errmsg) = boinc_query_batch($req);
if ($errmsg) {
echo "Error: $errmsg\n";
} else {
print_r($jobs);
}
}
*/
?>
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