* under the terms of the license (GNU LGPL) which comes with this package. */
#include <stdio.h>
+#include <stdlib.h>
#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.h */
#include "xbt.h" /* calloc, printf */
+
XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
+ "Messages specific for this msg example");
+int communicator_size=0;
+
+typedef struct coll_ctr_t{
+ int bcast_counter;
+} *coll_ctr;
+
+/* Helper function */
+static double parse_double(const char *string) {
+ double value;
+ char *endptr;
+
+ value=strtod(string, &endptr);
+ if (*endptr != '\0')
+ THROW1(unknown_error, 0, "%s is not a double", string);
+ return value;
+}
+
/* My actions */
static void send(xbt_dynar_t action)
char *name = xbt_str_join(action, " ");
char *to = xbt_dynar_get_as(action, 2, char *);
char *size = xbt_dynar_get_as(action, 3, char *);
- INFO1("Send: %s", name);
- MSG_task_send(MSG_task_create(name, 0, atoi(size), NULL), to);
+ INFO2("Send: %s (size: %lg)", name, parse_double(size));
+ MSG_task_send(MSG_task_create(name, 0, parse_double(size), NULL), to);
INFO1("Sent %s", name);
free(name);
}
+static int spawned_send(int argc, char *argv[])
+{
+ xbt_dynar_t action= (xbt_dynar_t) MSG_process_get_data(MSG_process_self());
+ char *name = xbt_str_join(action, " ");
+ char *to = xbt_dynar_get_as(action, 2, char *);
+ char *size = xbt_dynar_get_as(action, 3, char *);
+ INFO3("name is %s, to is %s, sizeis %s", name, to, size);
+ INFO1("Sending on %s\n", name);
+ MSG_task_send(MSG_task_create(name, 0, parse_double(size), NULL), to);
+ INFO1("Sent %s", name);
+ free(name);
+ return 0;
+}
+
+static void Isend(xbt_dynar_t action)
+{
+ char *name = xbt_str_join(action, " ");
+ m_process_t comm_helper;
+
+ INFO1("Isend on %s: spawn process ",
+ MSG_process_get_name(MSG_process_self()));
+
+ sprintf(name,"%s_wait",MSG_process_self()->name);
+ comm_helper = MSG_process_create(name,spawned_send,
+ (void *) action,
+ MSG_host_self());
+ free(name);
+}
+
+
static void recv(xbt_dynar_t action)
{
char *name = xbt_str_join(action, " ");
free(name);
}
+static int spawned_recv(int argc, char *argv[])
+{
+ m_task_t task = NULL;
+ char* name = (char *) MSG_process_get_data(MSG_process_self());
+ INFO1("Receiving on %s", name);
+ MSG_task_receive(&task, name);
+ INFO1("Received %s", MSG_task_get_name(task));
+ MSG_task_send(MSG_task_create("waiter",0,0,NULL),MSG_process_self()->name);
+
+ MSG_task_destroy(task);
+ return 0;
+}
+
+
+static void Irecv(xbt_dynar_t action)
+{
+ char *name = xbt_str_join(action, " ");
+ m_process_t comm_helper;
+
+ INFO1("Irecv on %s: spawn process ",
+ MSG_process_get_name(MSG_process_self()));
+
+ sprintf(name,"%s_wait",MSG_process_self()->name);
+ comm_helper = MSG_process_create(name,spawned_recv,
+ (void *) MSG_process_get_name(MSG_process_self()),
+ MSG_host_self());
+
+
+ free(name);
+}
+
+
+static void wait(xbt_dynar_t action)
+{
+ char *name = xbt_str_join(action, " ");
+ char task_name[80];
+ m_task_t task = NULL;
+
+ INFO1("wait: %s", name);
+ sprintf(task_name,"%s_wait",MSG_process_self()->name);
+ MSG_task_receive(&task,task_name);
+ INFO1("waited: %s", name);
+ free(name);
+}
+
+static void barrier (xbt_dynar_t action)
+{
+ char *name = xbt_str_join(action, " ");
+ INFO1("barrier: %s", name);
+
+
+ free(name);
+
+}
+
+static int bcast_spawned_send(int argc, char *argv[])
+{
+ char name[80];
+ INFO3("%s: Sending %s on %s", MSG_process_self()->name,
+ argv[1],argv[0]);
+ MSG_task_send(MSG_task_create(argv[0], 0, parse_double(argv[1]), NULL),
+ argv[0]);
+
+ sprintf(name,"%s_wait",argv[0]);
+ return 0;
+}
+
+static void bcast (xbt_dynar_t action)
+{
+ int i;
+ char *name;
+ const char* process_name;
+ char task_name[80];
+ char spawn_name[80];
+ char **myargv;
+ m_process_t comm_helper=NULL;
+ m_task_t task=NULL;
+ char *size = xbt_dynar_get_as(action, 2, char *);
+ coll_ctr counters = (coll_ctr) MSG_process_get_data(MSG_process_self());
+
+ xbt_assert0(communicator_size, "Size of Communicator is not defined"
+ ", can't use collective operations");
+
+ MSG_process_self()->data=NULL;
+
+ process_name = MSG_process_self()->name;
+ if (!counters){
+ DEBUG0("Initialize the counters");
+ counters = (coll_ctr) calloc (1, sizeof(struct coll_ctr_t));
+ }
+
+ name = bprintf("bcast_%d", counters->bcast_counter++);
+ if (!strcmp(process_name, "process0")){
+ INFO2("%s: %s is the Root",name, process_name);
+
+ for(i=1;i<communicator_size;i++){
+ myargv = (char**) calloc (3, sizeof (char*));
+ myargv[0] = xbt_strdup(name);
+ myargv[1] = xbt_strdup(size);
+ myargv[2] = NULL;
+
+ sprintf(spawn_name,"%s_%d", myargv[0], i);
+ comm_helper =
+ MSG_process_create_with_arguments(spawn_name, bcast_spawned_send,
+ NULL, MSG_host_self(), 2, myargv);
+ }
+
+ for(i=1;i<communicator_size;i++){
+ sprintf(task_name,"process%d_wait", i);
+ DEBUG1("get on %s", task_name);
+ MSG_task_receive(&task,task_name);
+ MSG_task_destroy(task);
+ task=NULL;
+ }
+ INFO2("%s: all messages sent by %s have been received",
+ name, process_name);
+ } else {
+ INFO2("%s: %s receives", name, process_name);
+ MSG_task_receive(&task, name);
+ MSG_task_destroy(task);
+ INFO2("%s: %s has received", name,process_name);
+ sprintf(task_name,"%s_wait", process_name);
+ DEBUG1("put on %s", task_name);
+ MSG_task_send(MSG_task_create("waiter",0,0,NULL),task_name);
+ }
+
+ MSG_process_set_data(MSG_process_self(), (void*)counters);
+ free(name);
+}
+
+
static void sleep(xbt_dynar_t action)
{
char *name = xbt_str_join(action, " ");
char *duration = xbt_dynar_get_as(action, 2, char *);
INFO1("sleep: %s", name);
- MSG_process_sleep(atoi(duration));
+ MSG_process_sleep(parse_double(duration));
INFO1("sleept: %s", name);
free(name);
}
+static void comm_size(xbt_dynar_t action)
+{
+ char *size = xbt_dynar_get_as(action, 2, char *);
+ communicator_size = parse_double(size);
+}
+
static void compute(xbt_dynar_t action)
{
char *name = xbt_str_join(action, " ");
char *amout = xbt_dynar_get_as(action, 2, char *);
- m_task_t task = MSG_task_create(name, atoi(amout), 0, NULL);
+ m_task_t task = MSG_task_create(name, parse_double(amout), 0, NULL);
INFO1("computing: %s", name);
MSG_task_execute(task);
MSG_task_destroy(task);
int main(int argc, char *argv[])
{
MSG_error_t res = MSG_OK;
-
+
/* Check the given arguments */
MSG_global_init(&argc, argv);
if (argc < 4) {
MSG_launch_application(argv[2]);
/* Action registration */
+ MSG_action_register("comm_size", comm_size);
MSG_action_register("send", send);
+ MSG_action_register("Isend", Isend);
MSG_action_register("recv", recv);
+ MSG_action_register("Irecv", Irecv);
+ MSG_action_register("wait", wait);
+ MSG_action_register("barrier", barrier);
+ MSG_action_register("bcast", bcast);
MSG_action_register("sleep", sleep);
MSG_action_register("compute", compute);
+
/* Actually do the simulation using MSG_action_trace_run */
res = MSG_action_trace_run(argv[3]);
