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- sample work generator: maintain a buffer of N unsent jobs 

for the given app, not total.  From Jon Sonntag.
This commit is contained in:
David Anderson 2013-04-20 13:49:51 -07:00
parent 478900c321
commit 8846a15571
1 changed files with 14 additions and 6 deletions
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20
sched/sample_work_generator.cpp
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@ -15,17 +15,24 @@
// You should have received a copy of the GNU Lesser General Public License // You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>. // along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// sample_work_generator.cpp: an example BOINC work generator. // sample_work_generator: example BOINC work generator.
// This work generator has the following properties //
// (you may need to change some or all of these): // --app name app name (default example_app)
// --in_template_file input template file (default example_app_in)
// --out_template_file output template file (default example_app_out)
// -d N log verbosity level (0..4)
// --help show usage
// --version show version
// //
// - Runs as a daemon, and creates an unbounded supply of work. // - Runs as a daemon, and creates an unbounded supply of work.
// It attempts to maintain a "cushion" of 100 unsent job instances. // It attempts to maintain a "cushion" of 100 unsent job instances
// for the given app.
// (your app may not work this way; e.g. you might create work in batches) // (your app may not work this way; e.g. you might create work in batches)
// - Creates work for the application "example_app".
// - Creates a new input file for each job; // - Creates a new input file for each job;
// the file (and the workunit names) contain a timestamp // the file (and the workunit names) contain a timestamp
// and sequence number, so they're unique. // and sequence number, so they're unique.
//
// This is an example - customize for your needs
#include <sys/param.h> #include <sys/param.h>
#include <unistd.h> #include <unistd.h>
@ -48,6 +55,7 @@
#define CUSHION 10 #define CUSHION 10
// maintain at least this many unsent results // maintain at least this many unsent results
#define REPLICATION_FACTOR 1 #define REPLICATION_FACTOR 1
// number of instances of each job
const char* app_name = "example_app"; const char* app_name = "example_app";
const char* in_template_file = "example_app_in"; const char* in_template_file = "example_app_in";
@ -117,7 +125,7 @@ void main_loop() {
while (1) { while (1) {
check_stop_daemons(); check_stop_daemons();
int n; int n;
retval = count_unsent_results(n, 0); retval = count_unsent_results(n, app.id);
if (retval) { if (retval) {
log_messages.printf(MSG_CRITICAL, log_messages.printf(MSG_CRITICAL,
"count_unsent_jobs() failed: %s\n", boincerror(retval) "count_unsent_jobs() failed: %s\n", boincerror(retval)