3 /* process_sg - GRAS process handling on simulator */
5 /* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "gras_modinter.h" /* module initialization interface */
12 #include "gras/Virtu/virtu_sg.h"
13 #include "gras/Msg/msg_interface.h" /* For some checks at simulation end */
14 #include "gras/Transport/transport_interface.h" /* For some checks at simulation end */
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
18 static long int PID = 1;
21 void gras_agent_spawn(const char *name, void *data,
22 xbt_main_func_t code, int argc, char *argv[]) {
24 SIMIX_process_create(name, code,
30 /* **************************************************************************
31 * Process constructor/destructor (semi-public interface)
32 * **************************************************************************/
36 gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
37 gras_procdata_t *pd=xbt_new0(gras_procdata_t,1);
38 gras_trp_procdata_t trp_pd;
40 SIMIX_process_set_data(SIMIX_process_self(),(void*)pd);
46 /* First process on this host */
47 hd=xbt_new(gras_hostdata_t,1);
49 hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL);
50 SIMIX_host_set_data(SIMIX_host_self(),(void*)hd);
55 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
58 if (SIMIX_process_self() != NULL ) {
59 pd->ppid = gras_os_getpid();
63 trp_pd->mutex = SIMIX_mutex_init();
64 trp_pd->cond = SIMIX_cond_init();
65 trp_pd->mutex_meas = SIMIX_mutex_init();
66 trp_pd->cond_meas = SIMIX_cond_init();
67 trp_pd->active_socket = xbt_fifo_new();
68 trp_pd->active_socket_meas = xbt_fifo_new();
70 VERB2("Creating process '%s' (%d)",
71 SIMIX_process_get_name(SIMIX_process_self()),
77 xbt_dynar_t sockets = ((gras_trp_procdata_t) gras_libdata_by_name("gras_trp"))->sockets;
78 gras_socket_t sock_iter;
80 gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
81 gras_procdata_t *pd=(gras_procdata_t*)SIMIX_process_get_data(SIMIX_process_self());
83 gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
84 gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
86 SIMIX_mutex_destroy(trp_pd->mutex);
87 SIMIX_cond_destroy(trp_pd->cond);
88 xbt_fifo_free(trp_pd->active_socket);
89 SIMIX_mutex_destroy(trp_pd->mutex_meas);
90 SIMIX_cond_destroy(trp_pd->cond_meas);
91 xbt_fifo_free(trp_pd->active_socket_meas);
94 xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
96 VERB2("GRAS: Finalizing process '%s' (%d)",
97 SIMIX_process_get_name(SIMIX_process_self()),gras_os_getpid());
99 if (xbt_dynar_length(msg_pd->msg_queue))
100 WARN1("process %d terminated, but some messages are still queued",
103 /* if each process has its sockets list, we need to close them when the process finish */
104 xbt_dynar_foreach(sockets,cursor,sock_iter) {
105 VERB1("Closing the socket %p left open on exit. Maybe a socket leak?",
107 gras_socket_close(sock_iter);
109 if ( ! --(hd->refcount)) {
110 xbt_dynar_free(&hd->ports);
113 gras_procdata_exit();
117 /* **************************************************************************
118 * Process data (public interface)
119 * **************************************************************************/
121 gras_procdata_t *gras_procdata_get(void) {
123 (gras_procdata_t *)SIMIX_process_get_data(SIMIX_process_self());
125 xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
130 gras_libdata_by_name_from_remote(const char *name, smx_process_t p) {
132 (gras_procdata_t *)SIMIX_process_get_data(p);
134 xbt_assert2(pd,"process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
135 SIMIX_process_get_name(p),SIMIX_host_get_name(SIMIX_process_get_host(p)));
137 return gras_libdata_by_name_from_procdata(name, pd);
140 /* **************************************************************************
141 * OS virtualization function
142 * **************************************************************************/
144 const char* xbt_procname(void) {
145 const char *res = NULL;
146 smx_process_t process = SIMIX_process_self();
147 if ((process != NULL) && (process->simdata))
148 res = SIMIX_process_get_name(process);
155 int gras_os_getpid(void) {
157 smx_process_t process = SIMIX_process_self();
159 if ((process != NULL) && (process->data))
160 return ((gras_procdata_t*)process->data)->pid;
165 /* **************************************************************************
166 * Interface with SIMIX
167 * **************************************************************************/
169 void gras_global_init(int *argc,char **argv) {
170 return SIMIX_global_init(argc,argv);
172 void gras_create_environment(const char *file) {
173 return SIMIX_create_environment(file);
175 void gras_function_register(const char *name, xbt_main_func_t code) {
176 return SIMIX_function_register(name, code);
179 smx_cond_t cond = NULL;
180 smx_action_t smx_action;
181 xbt_fifo_t actions_done = xbt_fifo_new();
182 xbt_fifo_t actions_failed = xbt_fifo_new();
185 /* Clean IO before the run */
190 while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
192 while ( (smx_action = xbt_fifo_pop(actions_failed)) ) {
195 DEBUG1("** %s failed **",smx_action->name);
196 while ( (cond = xbt_fifo_pop(smx_action->cond_list)) ) {
197 SIMIX_cond_broadcast(cond);
199 /* action finished, destroy it */
200 // SIMIX_action_destroy(smx_action);
203 while ( (smx_action = xbt_fifo_pop(actions_done)) ) {
205 DEBUG1("** %s done **",smx_action->name);
206 while ( (cond = xbt_fifo_pop(smx_action->cond_list)) ) {
207 SIMIX_cond_broadcast(cond);
209 /* action finished, destroy it */
210 //SIMIX_action_destroy(smx_action);
213 xbt_fifo_free(actions_failed);
214 xbt_fifo_free(actions_done);
217 void gras_launch_application(const char *file) {
218 return SIMIX_launch_application(file);
221 return SIMIX_clean();