- Initial checkin of Bossa code.

This isn't part of BOINC and eventually
    it should go in a different repository,
    but for now I'm putting it here.

svn path=/trunk/boinc/; revision=13851

checkin_notes

@@ -9520,3 +9520,17 @@ Bruce 15 Oct 2007
         inc/
             db_ops.inc
  
+David  16 Oct 2007
+    - Initial checkin of Bossa code.
+        This isn't part of BOINC and eventually
+        it should go in a different repository,
+        but for now I'm putting it here.
+
+    html/
+        inc/
+            bossa_db.inc
+        ops/
+            bossa_make_jobs_example.php
+            bossa_setup_example.php
+        user/
+            bossa_get_job.php

html/inc/bossa_db.inc

@@ -0,0 +1,83 @@
+<?php
+
+class Bossa {
+    function insert_app(&$app) {
+        if (!$app->long_jobs) $app->long_jobs = 0;
+        $now = time();
+        $query = "insert into bossa_app (create_time, name, user_friendly_name, long_jobs, start_url, finish_url) values ($now, '$app->name', '$app->user_friendly_name', $app->long_jobs, '$app->start_url', '$app->finish_url')";
+        echo $query;
+        $result = mysql_query($query);
+        if (!$result) return false;
+        $app->id = mysql_insert_id();
+        return true;
+    }
+
+    function app_lookup_name($name) {
+        $result = mysql_query("select * from bossa_app where name='$name'");
+        if (!$result) return null;
+        $app = mysql_fetch_object($result);
+        mysql_free_result($result);
+        return $app;
+    }
+
+    function app_lookup_id($id) {
+        $result = mysql_query("select * from bossa_app where id='$id'");
+        if (!$result) return null;
+        $app = mysql_fetch_object($result);
+        mysql_free_result($result);
+        return $app;
+    }
+
+    function insert_job(&$job) {
+        $now = time();
+        $query = "insert into bossa_job (create_time, name, app_id, info, batch, time_estimate, time_limit, more_needed, npending, nsuccess, nsuccess_needed) values ($now, '$job->name', $job->app_id, '$job->info', $job->batch, $job->time_estimate, $job->time_limit, 1, 0, 0, $job->nsuccess_needed)";
+        $result = mysql_query($query);
+        if (!$result) {
+            echo "$query\n";
+            return false;
+        }
+        $job->id = mysql_insert_id();
+        return true;
+    }
+
+    function insert_job_inst(&$ji) {
+        $now = time();
+        $query = "insert into bossa_job_inst (create_time, job_id, user_id) values ($now, $ji->job_id, $ji->user_id)";
+        $result = mysql_query($query);
+        if (!$result) {
+            echo "$query\n";
+            return false;
+        }
+        $ji->id = mysql_insert_id();
+        return true;
+    }
+
+    // Assign a job from the given app to the given user.
+    // Returns the job instance or NULL.
+    //
+    function assign_job($app, $user) {
+        // this query skips jobs for which this user
+        // has already been assigned an instance
+        //
+        $query = "select bossa_job.* from bossa_job left join bossa_job_inst on bossa_job_inst.job_id = bossa_job.id where bossa_job.more_needed<>0 and bossa_job_inst.user_id is null limit 1";
+        echo "$query\n";
+        $result = mysql_query($query);
+        if (!$result) return null;
+        $job = mysql_fetch_object($result);
+        mysql_free_result($result);
+
+        echo "<hr>";
+        print_r($job);
+        echo "<hr>";
+        $ji->user_id = $user->id;
+        $ji->job_id = $job->id;
+
+        if (!Bossa::insert_job_inst($ji)) {
+            echo mysql_error();
+            return null;
+        }
+        return $ji;
+    }
+}
+
+?>

html/ops/bossa_make_jobs_example.php

@@ -0,0 +1,31 @@
+<?php
+
+require_once("../bossa_inc/bossa_db.inc");
+require_once("../inc/db.inc");
+
+db_init();
+
+function make_jobs() {
+    $app = Bossa::app_lookup_name('bossa_test');
+    if (!$app) {
+        echo "No app\n";
+        exit(1);
+    }
+    $job->app_id = $app->id;
+    $job->batch = 0;
+    $job->time_estimate = 30;
+    $job->time_limit = 600;
+    $job->nsuccess_needed = 3;
+    for ($i=0; $i<10; $i++) {
+        $job->name = "job_$i";
+        $job->job_info = "$i";
+        if (!Bossa::insert_job($job)) {
+            echo "failed: ", mysql_error();
+            exit(1);
+        }
+    }
+}
+
+make_jobs();
+
+?>

html/ops/bossa_setup_example.php

@@ -0,0 +1,21 @@
+<?php
+
+require_once("../bossa_inc/bossa_db.inc");
+require_once("../inc/db.inc");
+
+db_init();
+
+// Set up Bossa applications.
+// Customize and rename this file.
+
+$ba->name = 'bossa_test';
+$ba->user_friendly_name = 'Simple pattern recognition';
+$ba->start_url = 'test_start.php';
+
+if (Bossa::insert_app($ba)) {
+    echo "success\n";
+} else {
+    echo "failed ", mysql_error();
+}
+
+?>

html/user/bossa_get_job.php

@@ -0,0 +1,30 @@
+<?php
+
+require_once("../inc/util.inc");
+require_once("../inc/db.inc");
+require_once("../bossa_inc/bossa_db.inc");
+
+db_init();
+
+$user = get_logged_in_user();
+
+$bossa_app_id = get_int('bossa_app_id');
+$app = Bossa::app_lookup_id($bossa_app_id);
+
+if (!$app) {
+    error_page("no such app: $bossa_app_id");
+}
+
+$ji = Bossa::assign_job($app, $user);
+if ($ji) {
+    $url = $app->start_url."&job_info=".$job->job_info;
+    Header("Location: $url");
+} else {
+    page_head("No jobs available");
+    echo "
+        Sorry, no jobs are available right not.
+        Please try again later.
+    ";
+    page_tail();
+}
+?>