-/* Copyright (c) 2009 The SimGrid team. All rights reserved. */
+/* Copyright (c) 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include "simgrid_config.h" /* getline */
-#include "msg/private.h"
+#include "simgrid_config.h" //For getline, keep that include first
+
+#include "msg_private.h"
#include "xbt/str.h"
#include "xbt/dynar.h"
+#include "xbt/replay.h"
-static xbt_dict_t action_funs;
-static xbt_dict_t action_queues;
-
-static xbt_dynar_t action_get_action(char *name);
-
-/** \ingroup msg_actions
- * \brief Registers a function to handle a kind of action
- *
- * Registers a function to handle a kind of action
- * This table is then used by #MSG_action_trace_run
- *
- * The argument of the function is the line describing the action, splitted on spaces with xbt_str_split_quoted()
- *
- * \param name the reference name of the action.
- * \param code the function; prototype given by the type: void...(xbt_dynar_t action)
- */
-void MSG_action_register(const char *action_name, msg_action_fun function)
-{
- xbt_dict_set(action_funs, action_name, function, NULL);
-}
-
-/** \ingroup msg_actions
- * \brief Unregisters a function, which handled a kind of action
- *
- * \param name the reference name of the action.
- */
-void MSG_action_unregister(const char *action_name)
-{
- xbt_dict_remove(action_funs, action_name);
-}
+#include <errno.h>
-static int MSG_action_runner(int argc, char *argv[])
-{
- xbt_dynar_t evt=NULL;
-
- while ((evt = action_get_action(argv[0]))) {
- msg_action_fun function =
- xbt_dict_get(action_funs, xbt_dynar_get_as(evt, 1, char *));
- (*function) (evt);
- xbt_dynar_free(&evt);
- }
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_action, msg,
+ "MSG actions for trace driven simulation");
- return 0;
-}
void _MSG_action_init()
{
- action_funs = xbt_dict_new();
- action_queues = xbt_dict_new();
- MSG_function_register_default(MSG_action_runner);
+ _xbt_replay_action_init();
+ MSG_function_register_default(xbt_replay_action_runner);
}
-void _MSG_action_exit() {
- xbt_dict_free(&action_queues);
- action_queues = xbt_dict_new();
+void _MSG_action_exit()
+{
+ _xbt_replay_action_exit();
}
-static FILE *action_fp=NULL;
-static char *action_line = NULL;
-static size_t action_len = 0;
-
-static xbt_dynar_t action_get_action(char *name) {
- ssize_t read;
- xbt_dynar_t evt=NULL;
- xbt_dynar_t myqueue = xbt_dict_get_or_null(action_queues,name);
- if (myqueue==NULL || xbt_dynar_length(myqueue)==0) { // nothing stored for me. Read the file further
-
- if (action_fp==NULL) { // File closed now. There's nothing more to read. I'm out of here
- return NULL;
- }
-
- // Read lines until I reach something for me (which breaks in loop body) or end of file
- while ((read = getline(&action_line, &action_len, action_fp)) != -1) {
- // cleanup and split the string I just read
- char *comment = strchr(action_line, '#');
- if (comment != NULL)
- *comment = '\0';
- xbt_str_trim(action_line, NULL);
- if (action_line[0] == '\0')
- continue;
- evt = xbt_str_split_quoted(action_line);
-
- // if it's for me, I'm done
- char *evtname = xbt_dynar_get_as(evt, 0, char *);
- if (!strcmp(name,evtname)) {
- return evt;
- } else {
- // Else, I have to store it for the relevant colleague
- xbt_dynar_t otherqueue = xbt_dict_get_or_null(action_queues,evtname);
- if (otherqueue == NULL) { // Damn. Create the queue of that guy
- otherqueue = xbt_dynar_new(sizeof(xbt_dynar_t), xbt_dynar_free_voidp);
- xbt_dict_set(action_queues ,evtname, otherqueue, NULL/*xbt_dynar_free_voidp*/);
- }
- xbt_dynar_push(otherqueue,&evt);
- }
- }
- return NULL; // end of file reached in vain while searching for more work
- } else {
- // Get something from my queue and return it
- xbt_dynar_shift(myqueue,&evt);
- return evt;
- }
-}
-
-/** \ingroup msg_actions
+/** \ingroup msg_trace_driven
* \brief A trace loader
*
- * Load a trace file containing actions, and execute them.
+ * If path!=NULL, load a trace file containing actions, and execute them.
+ * Else, assume that each process gets the path in its deployment file
*/
-MSG_error_t MSG_action_trace_run(char *path)
+msg_error_t MSG_action_trace_run(char *path)
{
- MSG_error_t res;
+ msg_error_t res;
+ char *name;
+ xbt_dynar_t todo;
+ xbt_dict_cursor_t cursor;
+
+ action_fp=NULL;
+ if (path) {
+ action_fp = fopen(path, "r");
+ xbt_assert(action_fp != NULL, "Cannot open %s: %s", path,
+ strerror(errno));
+ }
+ res = MSG_main();
- action_fp = fopen(path, "r");
- xbt_assert2(action_fp != NULL, "Cannot open %s: %s", path, strerror(errno));
+ if (!xbt_dict_is_empty(action_queues)) {
+ XBT_WARN
+ ("Not all actions got consumed. If the simulation ended successfully (without deadlock), you may want to add new processes to your deployment file.");
- res = MSG_main();
- if (action_line)
- free(action_line);
- fclose(action_fp);
+ xbt_dict_foreach(action_queues, cursor, name, todo) {
+ XBT_WARN("Still %lu actions for %s", xbt_dynar_length(todo), name);
+ }
+ }
+
+ if (path)
+ fclose(action_fp);
+ xbt_dict_free(&action_queues);
+ action_queues = xbt_dict_new_homogeneous(NULL);
return res;
}
