#include "msg_private.h"
#include "xbt/str.h"
#include "xbt/dynar.h"
-#include "xbt/replay_trace_reader.h"
+#include "xbt/replay.h"
+
+#include <errno.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_action, msg,
"MSG actions for trace driven simulation");
-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 const char **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);
-}
-
-static int MSG_action_runner(int argc, char *argv[])
-{
- const char **evt;
- if (action_fp) { // A unique trace file
-
- while ((evt = action_get_action(argv[0]))) {
- msg_action_fun function = xbt_dict_get(action_funs, evt[1]);
- function(evt);
- free(evt);
- }
- } else { // Should have got my trace file in argument
- xbt_assert(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]
- );
- xbt_replay_trace_reader_t reader = xbt_replay_trace_reader_new(argv[1]);
- while ((evt=xbt_replay_trace_reader_get(reader))) {
- if (!strcmp(argv[0],evt[0])) {
- msg_action_fun function = xbt_dict_get(action_funs, evt[1]);
- function(evt);
- free(evt);
- } else {
- XBT_WARN("%s: Ignore trace element not for me",
- xbt_replay_trace_reader_position(reader));
- }
- }
- xbt_replay_trace_reader_free(&reader);
- }
- return 0;
-}
void _MSG_action_init()
{
- action_funs = xbt_dict_new_homogeneous(NULL);
- action_queues = xbt_dict_new_homogeneous(NULL);
- 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);
- xbt_dict_free(&action_funs);
+ _xbt_replay_action_exit();
}
-static const char **action_get_action(char *name)
-{
- ssize_t read;
- 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_is_empty(myqueue)) { // 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
- goto todo_done;
- }
- // 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, '#');
- if (comment != NULL)
- *comment = '\0';
- 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
- evtname = xbt_dynar_get_as(evt, 0, char *);
- if (!strcmp(name, evtname)) {
- return xbt_dynar_to_array(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_push(otherqueue, &evt);
- }
- }
- 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);
- return xbt_dynar_to_array(evt);
- }
-
-
- // 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);
- }
- return NULL;
-}
-/** \ingroup msg_actions
+/** \ingroup msg_trace_driven
* \brief A trace loader
*
* 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,
}
}
- free(action_line);
if (path)
fclose(action_fp);
xbt_dict_free(&action_queues);
