-/* 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 "xbt/str.h"
#include "xbt/dynar.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_action,msg,"MSG actions for trace driven simulation");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_action, msg,
+ "MSG actions for trace driven simulation");
+
+static int paranoid_action_replayer=1;
+/** \ingroup msg_actions
+ * \brief set the paranoid mode: true if we must check our input, false if it's well formated
+ */
+void MSG_action_paranoid_mode_set(int mode) {
+ paranoid_action_replayer = mode;
+}
static xbt_dict_t action_funs;
static xbt_dict_t action_queues;
+/* To split the file if a unique one is given (specific variable for the other case live in runner()) */
+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);
/** \ingroup msg_actions
static int MSG_action_runner(int argc, char *argv[])
{
- xbt_dynar_t evt=NULL;
+ xbt_dynar_t evt = NULL;
+ char *line = NULL;
+ size_t line_len = 0;
+ FILE *fp = NULL;
+ char *comment = NULL;
+ char *evtname = NULL;
+ ssize_t read;
+ if (action_fp) { // A unique trace file
- 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);
- }
+ 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);
+ }
+ } else { // Should have got my trace file in argument
+ xbt_assert1(argc >= 2,
+ "No '%s' agent function provided, no simulation-wide trace file provided to MSG_action_trace_run(), "
+ "and no process-wide trace file provided in deployment file. Aborting.",
+ argv[0]
+ );
+
+ fp = fopen(argv[1], "r");
+ xbt_assert2(fp != NULL, "Cannot open %s: %s", argv[1],
+ strerror(errno));
+
+ // Read lines and execute them until I reach the end of file
+ while ((read = getline(&line, &line_len, fp)) != -1) {
+ // cleanup and split the string I just read
+ if (paranoid_action_replayer) {
+ comment = strchr(line, '#');
+ if (comment != NULL)
+ *comment = '\0';
+ xbt_str_trim(line, NULL);
+ }
+ evt = xbt_str_split_quoted_in_place(line);
+ if (xbt_dynar_length(evt)==0) {
+ xbt_dynar_free(&evt);
+ continue;
+ }
+ evtname = xbt_dynar_get_as(evt, 0, char *);
+ if (!strcmp(argv[0], evtname)) {
+ msg_action_fun function =
+ xbt_dict_get(action_funs, xbt_dynar_get_as(evt, 1, char *));
+ (*function) (evt);
+ } else {
+ WARN1("Ignore trace element not for me: %s",
+ xbt_str_join(evt, " "));
+ }
+ xbt_dynar_free(&evt);
+ }
+ fclose(fp);
+
+ }
return 0;
}
MSG_function_register_default(MSG_action_runner);
}
-void _MSG_action_exit() {
+void _MSG_action_exit()
+{
xbt_dict_free(&action_queues);
xbt_dict_free(&action_funs);
}
-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) {
+static xbt_dynar_t action_get_action(char *name)
+{
ssize_t read;
- xbt_dynar_t evt=NULL;
-
+ xbt_dynar_t evt = NULL;
+ char *evtname = 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
+ 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
+ if (action_fp == NULL) { // File closed now. There's nothing more to read. I'm out of here
goto todo_done;
}
-
- // Read lines until I reach something for me (which breaks in loop body) or end of file
+ // Read lines until I reach something for me (which breaks in loop body)
+ // or end of file reached
while ((read = getline(&action_line, &action_len, action_fp)) != -1) {
// cleanup and split the string I just read
char *comment = strchr(action_line, '#');
xbt_str_trim(action_line, NULL);
if (action_line[0] == '\0')
continue;
+ /* we cannot split in place here because we parse&store several lines for
+ * the colleagues... */
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)) {
+ 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_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_push(otherqueue,&evt);
+ xbt_dynar_push(otherqueue, &evt);
}
}
- goto todo_done; // end of file reached in vain while searching for more work
+ goto todo_done; // end of file reached while searching in vain for more work
} else {
// Get something from my queue and return it
- xbt_dynar_shift(myqueue,&evt);
+ xbt_dynar_shift(myqueue, &evt);
return evt;
}
- todo_done: // I did all my actions for me in the file. cleanup before leaving
+ // I did all my actions for me in the file (either I closed the file, or a colleague did)
+ // Let's cleanup before leaving
+todo_done:
if (myqueue != NULL) {
xbt_dynar_free(&myqueue);
- xbt_dict_remove(action_queues,name);
+ xbt_dict_remove(action_queues, name);
}
return NULL;
}
/** \ingroup msg_actions
* \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 res;
-
- action_fp = fopen(path, "r");
- xbt_assert2(action_fp != NULL, "Cannot open %s: %s", path, strerror(errno));
-
+ char *name;
+ xbt_dynar_t todo;
+ xbt_dict_cursor_t cursor;
+
+ if (path) {
+ action_fp = fopen(path, "r");
+ xbt_assert2(action_fp != NULL, "Cannot open %s: %s", path,
+ strerror(errno));
+ }
res = MSG_main();
if (xbt_dict_size(action_queues)) {
- WARN0("Not all actions got consumed. If the simulation ended successfully (without deadlock), you may want to add new processes to your deployment file.");
- xbt_dict_cursor_t cursor;
- char *name;
- xbt_dynar_t todo;
+ WARN0
+ ("Not all actions got consumed. If the simulation ended successfully (without deadlock), you may want to add new processes to your deployment file.");
+
- xbt_dict_foreach(action_queues,cursor,name,todo) {
- WARN2("Still %lu actions for %s",xbt_dynar_length(todo),name);
+ xbt_dict_foreach(action_queues, cursor, name, todo) {
+ WARN2("Still %lu actions for %s", xbt_dynar_length(todo), name);
}
}
if (action_line)
free(action_line);
- fclose(action_fp);
+ if (path)
+ fclose(action_fp);
xbt_dict_free(&action_queues);
action_queues = xbt_dict_new();
