/* Sends a message to a running work unit. */
int
DC_sendWUMessage(DC_Workunit *wu, const char *message)
{
GString *dn;
int ret;
/*if (!_DC_wu_check(wu))
return(DC_ERR_UNKNOWN_WU);*/
DC_log(LOG_DEBUG, "DC_sendWUMessage(%p-\"%s\", %s)",
wu, wu->name, message);
dn= g_string_new(wu->workdir);
g_string_append(dn, "/");
g_string_append(dn, _DC_wu_cfg(wu, cfg_master_message_box));
ret= _DC_create_message(dn->str, (char*)_DCAPI_MSG_MESSAGE, message, NULL);
g_string_free(dn, TRUE);
return(ret);
}
/* Resumes computation of a previously suspended work unit. */
int
DC_resumeWU(DC_Workunit *wu)
{
int ret;
char *id;
GString *dn;
if (!_DC_wu_check(wu))
return(DC_ERR_UNKNOWN_WU);
DC_log(LOG_DEBUG, "DC_resumeWU(%p-\"%s\")", wu, wu->data.name);
if (wu->data.state != DC_WU_SUSPENDED)
{
DC_log(LOG_NOTICE, "Can not resume a non-suspended wu");
return(DC_ERR_INTERNAL);
}
dn= g_string_new(wu->data.workdir);
g_string_append(dn, "/");
g_string_append(dn, _DC_wu_cfg(wu, cfg_management_box));
_DC_create_message(dn->str, _DCAPI_MSG_COMMAND, _DCAPI_CMD_RESUME,
NULL);
g_string_free(dn, TRUE);
ret= _DC_start_condor_job(wu);
if (ret == 0)
{
_DC_wu_update_condor_events(wu);
while (wu->condor_events->len == 0)
{
sleep(1);
_DC_wu_update_condor_events(wu);
}
DC_log(LOG_DEBUG, "DC_ResumeWU...");
_DC_wu_set_state(wu, DC_WU_RUNNING);
id= DC_getWUId(wu);
DC_log(LOG_INFO, "Condor id of wu's job: %s", id);
g_free(id);
}
return(ret);
}
/* Temporarily suspends the execution of a work unit. */
int
DC_suspendWU(DC_Workunit *wu)
{
GString *dn;
if (!_DC_wu_check(wu))
return(DC_ERR_UNKNOWN_WU);
DC_log(LOG_DEBUG, "DC_suspendWU(%p-\"%s\")", wu, wu->data.name);
if (wu->data.state != DC_WU_RUNNING)
{
DC_log(LOG_NOTICE, "Can not suspend a non-running wu");
return(DC_ERR_INTERNAL);
}
dn= g_string_new(wu->data.workdir);
g_string_append(dn, "/");
g_string_append(dn, _DC_wu_cfg(wu, cfg_management_box));
_DC_create_message(dn->str, _DCAPI_MSG_COMMAND, _DCAPI_CMD_SUSPEND,
NULL);
g_string_free(dn, TRUE);
/*wu->asked_to_suspend= TRUE;*/
return(DC_OK);
}