C++ (Cpp) platf_graph_promoter Examples

Example #1

File: masterslave_platfgen.c Project: apargupta/simgrid

/**
 * Main function
 * Create the platform, list the available hosts and give them some work
 */
int main(int argc, char **argv) {

  unsigned long seed[] = {134, 233445, 865, 2634, 424242, 876543};
  int connected;
  int max_tries = 10;

  //MSG initialization
  MSG_init(&argc, argv);

  //Set up the seed for the platform generation
  platf_random_seed(seed);

  XBT_INFO("creating nodes...");
  platf_graph_uniform(50);
  do {
    max_tries--;
    XBT_INFO("creating links...");
    platf_graph_clear_links();
    platf_graph_interconnect_uniform(0.07); //Unrealistic, but simple
    XBT_INFO("done. Check connectedness...");
    connected = platf_graph_is_connected();
    XBT_INFO("Is it connected : %s", connected ? "yes" : (max_tries ? "no, retrying" : "no"));
  } while(!connected && max_tries);

  if(!connected && !max_tries) {
    xbt_die("Impossible to connect the graph, aborting.");
  }

  XBT_INFO("registering callbacks...");
  platf_graph_promoter(promoter_1);
  platf_graph_labeler(labeler_1);

  XBT_INFO("protmoting...");
  platf_do_promote();

  XBT_INFO("labeling...");
  platf_do_label();

  XBT_INFO("Putting it in surf...");
  platf_generate();

  XBT_INFO("Let's get the available hosts and dispatch work:");

  unsigned int i;
  msg_host_t host = NULL;
  msg_host_t host_master = NULL;
  xbt_dynar_t host_dynar = MSG_hosts_as_dynar();
  char** hostname_list = xbt_malloc(sizeof(char*) * xbt_dynar_length(host_dynar));

  xbt_dynar_foreach(host_dynar, i, host) {
    MSG_process_create("slave", slave, NULL, host);
    if(i==0) {
      //The first node will also be the master
      XBT_INFO("%s will be the master", MSG_host_get_name(host));
      host_master = host;
    }
    hostname_list[i] = (char*) MSG_host_get_name(host);
  }

Example #2

File: masterslave_failure_platfgen.c Project: FlorianPO/simgrid

/** Main function */
int main(int argc, char *argv[])
{
  msg_error_t res = MSG_OK;
  unsigned long seed_platf_gen[] = {134, 233445, 865, 2634, 424242, 876543};
  unsigned long seed_trace_gen[] = {8865244, 356772, 42, 77465, 2098754, 8725442};
  int connected;
  int max_tries = 10;

  //MSG initialization
  MSG_init(&argc, argv);

  //Set up the seed for the platform generation
  platf_random_seed(seed_platf_gen);

  //Set up the RngStream for trace generation
  sg_platf_rng_stream_init(seed_trace_gen);

  XBT_INFO("creating nodes...");
  platf_graph_uniform(10);

  do {
    max_tries--;
    XBT_INFO("creating links...");
    platf_graph_clear_links();
    platf_graph_interconnect_waxman(0.9, 0.4);
    XBT_INFO("done. Check connectedness...");
    connected = platf_graph_is_connected();
    XBT_INFO("Is it connected : %s", connected ? "yes" : (max_tries ? "no, retrying" : "no"));
  } while(!connected && max_tries);

  if(!connected && !max_tries) {
    xbt_die("Impossible to connect the graph, aborting.");
  }

  XBT_INFO("registering callbacks...");
  platf_graph_promoter(promoter_1);
  platf_graph_labeler(labeler_1);

  XBT_INFO("promoting...");
  platf_do_promote();

  XBT_INFO("labeling...");
  platf_do_label();

  XBT_INFO("Putting it in surf...");
  platf_generate();

  XBT_INFO("Let's get the available hosts and dispatch work:");

  unsigned int i;
  msg_host_t host = NULL;
  msg_host_t host_master = NULL;
  msg_process_t process = NULL;
  xbt_dynar_t host_dynar = MSG_hosts_as_dynar();
  char** hostname_list =
    xbt_malloc(sizeof(char*) * xbt_dynar_length(host_dynar));

  xbt_dynar_foreach(host_dynar, i, host) {
    process = MSG_process_create("slave", slave, NULL, host);
    MSG_process_auto_restart_set(process, TRUE);
    hostname_list[i] = (char*) MSG_host_get_name(host);
  }