static int shadowd_is_old_master_enrolled(int sge_test_heartbeat, int sge_qmaster_port, char *oldqmaster)
{
cl_com_handle_t* handle = NULL;
cl_com_SIRM_t* status = NULL;
int ret;
int is_up_and_running = 0;
int commlib_error = CL_RETVAL_OK;
DENTER(TOP_LAYER, "shadowd_is_old_master_enrolled");
/*
* This is for testsuite testing to simulate qmaster outage.
* For testing the environment variable SGE_TEST_HEARTBEAT_TIMEOUT
* has to be set!
*/
if (sge_test_heartbeat > 0) {
DRETURN(is_up_and_running);
}
handle=cl_com_create_handle(&commlib_error, CL_CT_TCP, CL_CM_CT_MESSAGE, CL_FALSE, sge_qmaster_port, CL_TCP_DEFAULT,(char*)prognames[SHADOWD] , 0, 1,0 );
if (handle == NULL) {
CRITICAL((SGE_EVENT, SFNMAX, cl_get_error_text(commlib_error)));
DRETURN(is_up_and_running);
}
DPRINTF(("Try to send status information message to previous master host "SFQ" to port %ld\n", oldqmaster, sge_qmaster_port));
ret = cl_commlib_get_endpoint_status(handle,oldqmaster ,(char*)prognames[QMASTER] , 1, &status);
if (ret != CL_RETVAL_OK) {
DPRINTF(("cl_commlib_get_endpoint_status() returned "SFQ"\n", cl_get_error_text(ret)));
is_up_and_running = 0;
DPRINTF(("old qmaster not responding - No master found\n"));
} else {
DPRINTF(("old qmaster is still running\n"));
is_up_and_running = 1;
}
if (status != NULL) {
DPRINTF(("endpoint is up since %ld seconds and has status %ld\n", status->runtime, status->application_status));
cl_com_free_sirm_message(&status);
}
cl_commlib_shutdown_handle(handle,CL_FALSE);
DRETURN(is_up_and_running);
}
/*-------------------------------------------------------------------------*/
int main(int argc, char **argv)
{
int ret;
int my_pid;
int ret_val;
int printed_points = 0;
int max_enroll_tries;
static char tmp_err_file_name[SGE_PATH_MAX];
time_t next_prof_output = 0;
int execd_exit_state = 0;
lList **master_job_list = NULL;
sge_gdi_ctx_class_t *ctx = NULL;
lList *alp = NULL;
DENTER_MAIN(TOP_LAYER, "execd");
#if defined(LINUX)
gen_procList ();
#endif
prof_mt_init();
set_thread_name(pthread_self(),"Execd Thread");
prof_set_level_name(SGE_PROF_CUSTOM1, "Execd Thread", NULL);
prof_set_level_name(SGE_PROF_CUSTOM2, "Execd Dispatch", NULL);
#ifdef __SGE_COMPILE_WITH_GETTEXT__
/* init language output for gettext() , it will use the right language */
sge_init_language_func((gettext_func_type) gettext,
(setlocale_func_type) setlocale,
(bindtextdomain_func_type) bindtextdomain,
(textdomain_func_type) textdomain);
sge_init_language(NULL,NULL);
#endif /* __SGE_COMPILE_WITH_GETTEXT__ */
/* This needs a better solution */
umask(022);
/* Initialize path for temporary logging until we chdir to spool */
my_pid = getpid();
sprintf(tmp_err_file_name,"%s."sge_U32CFormat"", TMP_ERR_FILE_EXECD, sge_u32c(my_pid));
log_state_set_log_file(tmp_err_file_name);
/* exit func for SGE_EXIT() */
sge_sig_handler_in_main_loop = 0;
sge_setup_sig_handlers(EXECD);
if (sge_setup2(&ctx, EXECD, MAIN_THREAD, &alp, false) != AE_OK) {
answer_list_output(&alp);
SGE_EXIT((void**)&ctx, 1);
}
ctx->set_exit_func(ctx, execd_exit_func);
#if defined(SOLARIS)
/* Init shared SMF libs if necessary */
if (sge_smf_used() == 1 && sge_smf_init_libs() != 0) {
SGE_EXIT((void**)&ctx, 1);
}
#endif
/* prepare daemonize */
if (!getenv("SGE_ND")) {
sge_daemonize_prepare(ctx);
}
if ((ret=sge_occupy_first_three())>=0) {
CRITICAL((SGE_EVENT, MSG_FILE_REDIRECTFD_I, ret));
SGE_EXIT((void**)&ctx, 1);
}
lInit(nmv);
/* unset XAUTHORITY if set */
if (getenv("XAUTHORITY") != NULL) {
sge_unsetenv("XAUTHORITY");
}
parse_cmdline_execd(argv);
/* exit if we can't get communication handle (bind port) */
max_enroll_tries = 30;
while (cl_com_get_handle(prognames[EXECD],1) == NULL) {
ctx->prepare_enroll(ctx);
max_enroll_tries--;
if (max_enroll_tries <= 0 || shut_me_down) {
/* exit after 30 seconds */
if (printed_points != 0) {
printf("\n");
}
CRITICAL((SGE_EVENT, MSG_COM_ERROR));
SGE_EXIT((void**)&ctx, 1);
}
if (cl_com_get_handle(prognames[EXECD],1) == NULL) {
/* sleep when prepare_enroll() failed */
sleep(1);
if (max_enroll_tries < 27) {
printf(".");
printed_points++;
fflush(stdout);
}
}
}
if (printed_points != 0) {
printf("\n");
}
/*
* now the commlib up and running. Set execd application status function
* ( commlib callback function for qping status information response
* messages (SIRM) )
*/
ret_val = cl_com_set_status_func(sge_execd_application_status);
if (ret_val != CL_RETVAL_OK) {
ERROR((SGE_EVENT, cl_get_error_text(ret_val)) );
}
/* test connection */
{
cl_com_SIRM_t* status = NULL;
ret_val = cl_commlib_get_endpoint_status(ctx->get_com_handle(ctx),
(char *)ctx->get_master(ctx, true),
(char*)prognames[QMASTER], 1, &status);
if (ret_val != CL_RETVAL_OK) {
ERROR((SGE_EVENT, cl_get_error_text(ret_val)));
ERROR((SGE_EVENT, MSG_CONF_NOCONFBG));
}
cl_com_free_sirm_message(&status);
}
/* finalize daeamonize */
if (!getenv("SGE_ND")) {
sge_daemonize_finalize(ctx);
}
/* daemonizes if qmaster is unreachable */
sge_setup_sge_execd(ctx, tmp_err_file_name);
/* are we using qidle or not */
sge_ls_qidle(mconf_get_use_qidle());
sge_ls_gnu_ls(1);
DPRINTF(("use_qidle: %d\n", mconf_get_use_qidle()));
/* test load sensor (internal or external) */
{
lList *report_list = sge_build_load_report(ctx->get_qualified_hostname(ctx), ctx->get_binary_path(ctx));
lFreeList(&report_list);
}
/* here we have to wait for qmaster registration */
while (sge_execd_register_at_qmaster(ctx, false) != 0) {
if (sge_get_com_error_flag(EXECD, SGE_COM_ACCESS_DENIED, true)) {
/* This is no error */
DPRINTF(("***** got SGE_COM_ACCESS_DENIED from qmaster *****\n"));
}
if (sge_get_com_error_flag(EXECD, SGE_COM_ENDPOINT_NOT_UNIQUE, false)) {
execd_exit_state = SGE_COM_ENDPOINT_NOT_UNIQUE;
break;
}
if (shut_me_down != 0) {
break;
}
sleep(30);
}
/*
* Terminate on SIGTERM or hard communication error
*/
if (execd_exit_state != 0 || shut_me_down != 0) {
sge_shutdown((void**)&ctx, execd_exit_state);
DRETURN(execd_exit_state);
}
/*
* We write pid file when we are connected to qmaster. Otherwise an old
* execd might overwrite our pidfile.
*/
sge_write_pid(EXECD_PID_FILE);
/*
* At this point we are sure we are the only sge_execd and we are connected
* to the current qmaster. First we have to report any reaped children
* that might exist.
*/
starting_up();
/*
* Log a warning message if execd hasn't been started by a superuser
*/
if (!sge_is_start_user_superuser()) {
WARNING((SGE_EVENT, MSG_SWITCH_USER_NOT_ROOT));
}
#ifdef COMPILE_DC
if (ptf_init()) {
CRITICAL((SGE_EVENT, MSG_EXECD_NOSTARTPTF));
SGE_EXIT((void**)&ctx, 1);
}
INFO((SGE_EVENT, MSG_EXECD_STARTPDCANDPTF));
#endif
master_job_list = object_type_get_master_list(SGE_TYPE_JOB);
*master_job_list = lCreateList("Master_Job_List", JB_Type);
job_list_read_from_disk(master_job_list, "Master_Job_List",
0, SPOOL_WITHIN_EXECD,
job_initialize_job);
/* clean up jobs hanging around (look in active_dir) */
clean_up_old_jobs(ctx, 1);
execd_trash_load_report();
sge_set_flush_lr_flag(true);
sge_sig_handler_in_main_loop = 1;
if (thread_prof_active_by_id(pthread_self())) {
prof_start(SGE_PROF_CUSTOM1, NULL);
prof_start(SGE_PROF_CUSTOM2, NULL);
prof_start(SGE_PROF_GDI_REQUEST, NULL);
} else {
prof_stop(SGE_PROF_CUSTOM1, NULL);
prof_stop(SGE_PROF_CUSTOM2, NULL);
prof_stop(SGE_PROF_GDI_REQUEST, NULL);
}
PROF_START_MEASUREMENT(SGE_PROF_CUSTOM1);
/* Start dispatching */
execd_exit_state = sge_execd_process_messages(ctx);
/*
* This code is only reached when dispatcher terminates and execd goes down.
*/
/* log if we received SIGPIPE signal */
if (sge_sig_handler_sigpipe_received) {
sge_sig_handler_sigpipe_received = 0;
INFO((SGE_EVENT, "SIGPIPE received\n"));
}
#if defined(LINUX)
free_procList();
#endif
lFreeList(master_job_list);
PROF_STOP_MEASUREMENT(SGE_PROF_CUSTOM1);
if (prof_is_active(SGE_PROF_ALL)) {
time_t now = (time_t)sge_get_gmt();
if (now > next_prof_output) {
prof_output_info(SGE_PROF_ALL, false, "profiling summary:\n");
prof_reset(SGE_PROF_ALL,NULL);
next_prof_output = now + 60;
}
}
sge_prof_cleanup();
sge_shutdown((void**)&ctx, execd_exit_state);
DRETURN(execd_exit_state);
}
