gboolean worker_isFiltered(GLogLevelFlags level) { Worker* worker = worker_isAlive() ? _worker_getPrivate() : NULL; if(worker) { /* check the local node log level first */ gboolean isNodeLevelSet = FALSE; Host* currentHost = worker_getCurrentHost(); if(worker->cached_node) { GLogLevelFlags nodeLevel = host_getLogLevel(currentHost); if(nodeLevel) { isNodeLevelSet = TRUE; if(level > nodeLevel) { return TRUE; } } } /* only check the global config if the node didnt have a local setting */ if(!isNodeLevelSet) { Configuration* c = slave_getConfig(worker->slave); if(c && (level > configuration_getLogLevel(c))) { return TRUE; } } } return FALSE; }
void master_run(Master* master) { MAGIC_ASSERT(master); guint slaveSeed = (guint)random_nextInt(master->random); Slave* slave = slave_new(master, master->config, slaveSeed); /* hook in our logging system. stack variable used to avoid errors * during cleanup below. */ GLogLevelFlags configuredLogLevel = configuration_getLogLevel(master->config); g_log_set_default_handler(logging_handleLog, &(configuredLogLevel)); GDateTime* dt_now = g_date_time_new_now_local(); gchar* dt_format = g_date_time_format(dt_now, "%F %H:%M:%S"); message("Shadow v%s initialized at %s using GLib v%u.%u.%u", SHADOW_VERSION, dt_format, (guint)GLIB_MAJOR_VERSION, (guint)GLIB_MINOR_VERSION, (guint)GLIB_MICRO_VERSION); g_date_time_unref(dt_now); g_free(dt_format); /* store parsed actions from each user-configured simulation script */ GQueue* actions = g_queue_new(); Parser* xmlParser = parser_new(); /* parse built-in examples, or input files */ gboolean success = TRUE; if(master->config->runFileExample) { GString* file = example_getFileExampleContents(); success = parser_parseContents(xmlParser, file->str, file->len, actions); g_string_free(file, TRUE); } else { /* parse all given input XML files */ while(success && g_queue_get_length(master->config->inputXMLFilenames) > 0) { GString* filename = g_queue_pop_head(master->config->inputXMLFilenames); success = parser_parseFile(xmlParser, filename, actions); } } parser_free(xmlParser); /* if there was an error parsing, bounce out */ if(success) { message("successfully parsed Shadow XML input!"); } else { g_queue_free(actions); error("error parsing Shadow XML input!"); } /* * loop through actions that were created from parsing. this will create * all the nodes, networks, applications, etc., and add an application * start event for each node to bootstrap the simulation. Note that the * plug-in libraries themselves are not loaded until a worker needs it, * since each worker will need its own private version. */ while(g_queue_get_length(actions) > 0) { Action* a = g_queue_pop_head(actions); runnable_run(a); runnable_free(a); } g_queue_free(actions); /* start running */ gint nWorkers = configuration_getNWorkerThreads(master->config); debug("starting %i-threaded engine (main + %i workers)", (nWorkers + 1), nWorkers); /* simulation mode depends on configured number of workers */ if(nWorkers > 0) { /* multi threaded, manage the other workers */ master->executeWindowStart = 0; SimulationTime jump = master_getMinTimeJump(master); master->executeWindowEnd = jump; master->nextMinJumpTime = jump; slave_runParallel(slave); } else { /* single threaded, we are the only worker */ master->executeWindowStart = 0; master->executeWindowEnd = G_MAXUINT64; slave_runSerial(slave); } debug("engine finished, cleaning up..."); slave_free(slave); }