+/* Copyright (c) 2009 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 "msg/private.h"
+#include "xbt/str.h"
+#include "xbt/dynar.h"
+
+static xbt_dict_t action_funs;
+static xbt_dynar_t action_list;
+
+
+/** \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);
+}
+
+static int MSG_action_runner(int argc, char* argv[]) {
+ xbt_dynar_t evt;
+ unsigned int cursor;
+
+ xbt_dynar_foreach(action_list,cursor,evt) {
+ if (!strcmp(xbt_dynar_get_as(evt,0,char*),argv[0])) {
+ msg_action_fun function = xbt_dict_get(action_funs,xbt_dynar_get_as(evt,1,char*));
+ (*function)(evt);
+ }
+ }
+
+ return 0;
+}
+
+void _MSG_action_init() {
+ action_funs = xbt_dict_new();
+ action_list = xbt_dynar_new(sizeof(xbt_dynar_t),xbt_dynar_free_voidp);
+ MSG_function_register_default(MSG_action_runner);
+}
+
+/** \ingroup msg_actions
+ * \brief A trace loader
+ *
+ * Load a trace file containing actions, and execute them.
+ */
+MSG_error_t MSG_action_trace_run(char*path) {
+ MSG_error_t res;
+
+ FILE * fp;
+ char * line = NULL;
+ size_t len = 0;
+ ssize_t read;
+
+ xbt_dynar_t evt;
+
+ fp = fopen(path, "r");
+ xbt_assert2(fp != NULL,"Cannot open %s: %s",path,strerror(errno));
+
+ while ((read = getline(&line, &len, fp)) != -1) {
+ char *comment = strchr(line,'#');
+ if (comment!=NULL)
+ *comment='\0';
+ xbt_str_trim(line,NULL);
+ if (line[0]=='\0')
+ continue;
+ evt = xbt_str_split_quoted(line);
+ xbt_dynar_push(action_list,&evt);
+ }
+
+ if (line)
+ free(line);
+ fclose(fp);
+
+ res = MSG_main();
+ xbt_dynar_free(&action_list);
+ action_list = xbt_dynar_new(sizeof(xbt_dynar_t),xbt_dynar_free_voidp);
+
+ return res;
+}