return buffer;
}
-/** Master function */
+/* forward definitions */
+static int master(int argc, char* argv[]);
+static int worker(int argc, char* argv[]);
+
static int master(int argc, char *argv[])
{
int workers_count = 0;
char *master_name = (char *) MSG_host_get_name(host_self);
char channel[1024];
- int i;
double timeout = xbt_str_parse_double(argv[1], "Invalid timeout: %s"); /** - timeout */
double comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s"); /** - Task compute cost */
double comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s"); /** - Task communication size */
workers_count = MSG_get_host_number();
workers = xbt_dynar_to_array(MSG_hosts_as_dynar());
- for (i = 0; i < workers_count; i++)
- if(host_self == workers[i]) {
+ for (int i = 0; i < workers_count; i++)
+ if (host_self == workers[i]) {
workers[i] = workers[workers_count-1];
workers_count--;
break;
}
- for (i = 0; i < workers_count; i++)
+ for (int i = 0; i < workers_count; i++)
MSG_process_create("worker", worker, master_name, workers[i]);
}
XBT_INFO("Got %d workers and will send tasks for %g seconds!", workers_count, timeout);
- for (i = 0; 1; i++) {
+ int task_num = 0;
+ while (1) {
char sprintf_buffer[64];
msg_task_t task = NULL;
if(MSG_get_clock()>timeout) break;
- sprintf(sprintf_buffer, "Task_%d", i);
+ sprintf(sprintf_buffer, "Task_%d", task_num);
task = MSG_task_create(sprintf_buffer, comp_size, comm_size, NULL);
- build_channel_name(channel,master_name, MSG_host_get_name(workers[i % workers_count]));
-
+ build_channel_name(channel, master_name, MSG_host_get_name(workers[task_num % workers_count]));
+
XBT_DEBUG("Sending \"%s\" to channel \"%s\"", task->name, channel);
MSG_task_send(task, channel);
XBT_DEBUG("Sent");
+ task_num++;
}
- int task_num = i;
XBT_DEBUG ("All tasks have been dispatched. Let's tell everybody the computation is over.");
- for (i = 0; i < workers_count; i++) {
+ for (int i = 0; i < workers_count; i++) {
msg_task_t finalize = MSG_task_create("finalize", 0, 0, FINALIZE);
MSG_task_send(finalize, build_channel_name(channel,master_name,
MSG_host_get_name(workers[i % workers_count])));
static int worker(int argc, char *argv[])
{
msg_task_t task = NULL;
- XBT_ATTRIB_UNUSED int res;
char channel[1024];
build_channel_name(channel,MSG_process_get_data(MSG_process_self()), MSG_host_get_name(MSG_host_self()));
XBT_DEBUG("Receiving on channel \"%s\"", channel);
while (1) {
- res = MSG_task_receive(&(task),channel);
+ int res = MSG_task_receive(&(task), channel);
xbt_assert(res == MSG_OK, "MSG_task_receive failed");
XBT_DEBUG("Received \"%s\"", MSG_task_get_name(task));
/** Main function */
int main(int argc, char *argv[])
{
- msg_error_t res = MSG_OK;
-
MSG_init(&argc, argv);
xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
"\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
MSG_function_register("worker", worker);
MSG_launch_application(argv[2]);
}
- res = MSG_main();
+ msg_error_t res = MSG_main();
XBT_INFO("Simulation time %g", MSG_get_clock());
return (res != MSG_OK);