1 /* process_sg - GRAS process handling on simulator */
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * 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[],
23 xbt_dict_t properties)
26 SIMIX_process_create(name, code,
27 data, gras_os_myname(), argc, argv, properties);
30 /* **************************************************************************
31 * Process constructor/destructor (semi-public interface)
32 * **************************************************************************/
34 void gras_process_init()
37 (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
38 gras_procdata_t *pd = xbt_new0(gras_procdata_t, 1);
39 gras_trp_procdata_t trp_pd;
41 SIMIX_process_set_data(SIMIX_process_self(), (void *) pd);
47 /* First process on this host */
48 hd = xbt_new(gras_hostdata_t, 1);
50 hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t), NULL);
51 SIMIX_host_set_data(SIMIX_host_self(), (void *) hd);
56 trp_pd = (gras_trp_procdata_t) gras_libdata_by_name("gras_trp");
59 if (SIMIX_process_self() != NULL) {
60 pd->ppid = gras_os_getpid();
64 trp_pd->msg_selectable_sockets = xbt_queue_new(0, sizeof(gras_socket_t));
66 trp_pd->meas_selectable_sockets = xbt_queue_new(0, sizeof(gras_socket_t));
68 VERB2("Creating process '%s' (%d)",
69 SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid());
72 void gras_process_exit()
75 ((gras_trp_procdata_t) gras_libdata_by_name("gras_trp"))->sockets;
76 gras_socket_t sock_iter;
79 (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
81 (gras_procdata_t *) SIMIX_process_get_data(SIMIX_process_self());
83 gras_msg_procdata_t msg_pd =
84 (gras_msg_procdata_t) gras_libdata_by_name("gras_msg");
85 gras_trp_procdata_t trp_pd =
86 (gras_trp_procdata_t) gras_libdata_by_name("gras_trp");
88 xbt_queue_free(&trp_pd->msg_selectable_sockets);
90 xbt_queue_free(&trp_pd->meas_selectable_sockets);
93 xbt_assert0(hd, "Run gras_process_init (ie, gras_init)!!");
95 VERB2("GRAS: Finalizing process '%s' (%d)",
96 SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid());
98 if (xbt_dynar_length(msg_pd->msg_queue)) {
101 WARN2("process %d terminated, but %ld messages are still queued. Message list:",
102 gras_os_getpid(),xbt_dynar_length(msg_pd->msg_queue));
103 xbt_dynar_foreach(msg_pd->msg_queue,cpt, msg) {
104 WARN5(" Message %s (%s) from %s@%s:%d",msg.type->name,e_gras_msg_kind_names[msg.kind],
105 gras_socket_peer_proc(msg.expe),gras_socket_peer_name(msg.expe),gras_socket_peer_port(msg.expe));
109 /* if each process has its sockets list, we need to close them when the
111 xbt_dynar_foreach(sockets, cursor, sock_iter) {
112 VERB1("Closing the socket %p left open on exit. Maybe a socket leak?",
114 gras_socket_close(sock_iter);
116 if (!--(hd->refcount)) {
117 xbt_dynar_free(&hd->ports);
120 gras_procdata_exit();
124 /* **************************************************************************
125 * Process data (public interface)
126 * **************************************************************************/
128 gras_procdata_t *gras_procdata_get(void)
130 gras_procdata_t *pd =
131 (gras_procdata_t *) SIMIX_process_get_data(SIMIX_process_self());
133 xbt_assert0(pd, "Run gras_process_init! (ie, gras_init)");
138 void *gras_libdata_by_name_from_remote(const char *name, smx_process_t p)
140 gras_procdata_t *pd = (gras_procdata_t *) SIMIX_process_get_data(p);
143 "process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
144 SIMIX_process_get_name(p),
145 SIMIX_host_get_name(SIMIX_process_get_host(p)));
147 return gras_libdata_by_name_from_procdata(name, pd);
150 /** @brief retrieve the value of a given process property (or NULL if not defined) */
151 const char *gras_process_property_value(const char *name)
154 xbt_dict_get_or_null(SIMIX_process_get_properties(SIMIX_process_self()),
158 /** @brief retrieve the process properties dictionnary
159 * @warning it's the original one, not a copy. Don't mess with it
161 xbt_dict_t gras_process_properties(void)
163 return SIMIX_process_get_properties(SIMIX_process_self());
166 /* **************************************************************************
167 * OS virtualization function
168 * **************************************************************************/
170 const char *xbt_procname(void)
172 smx_process_t process = SIMIX_process_self();
173 /*FIXME: maestro used not have a simix process, now it does so
174 SIMIX_process_self will return something different to NULL. This breaks
175 the old xbt_log logic that assumed that NULL was equivalent to maestro,
176 thus when printing it searches for maestro host name (which doesn't exists)
177 and breaks the logging.
178 As a hack we check for maestro by looking to the assigned host, if it is
179 NULL then we are sure is maestro
181 if (process != NULL && SIMIX_process_get_host(process))
182 return SIMIX_process_get_name(process);
187 int gras_os_getpid(void)
189 gras_procdata_t *data;
190 smx_process_t process = SIMIX_process_self();
192 if (process != NULL){
193 data = (gras_procdata_t *)SIMIX_process_get_data(process);
201 /** @brief retrieve the value of a given host property (or NULL if not defined) */
202 const char *gras_os_host_property_value(const char *name)
205 xbt_dict_get_or_null(SIMIX_host_get_properties
206 (SIMIX_process_get_host(SIMIX_process_self())),
210 /** @brief retrieve the host properties dictionnary
211 * @warning it's the original one, not a copy. Don't mess with it
213 xbt_dict_t gras_os_host_properties(void)
216 SIMIX_host_get_properties(SIMIX_process_get_host(SIMIX_process_self()));
219 /* **************************************************************************
220 * Interface with SIMIX
221 * (these functions are called by the stuff generated by gras_stub_generator)
222 * **************************************************************************/
224 XBT_LOG_EXTERNAL_CATEGORY(gras_trp);
225 XBT_LOG_EXTERNAL_CATEGORY(gras_trp_sg);
227 void gras_global_init(int *argc, char **argv)
229 XBT_LOG_CONNECT(gras_trp_sg, gras_trp);
230 SIMIX_global_init(argc, argv);
233 void gras_create_environment(const char *file)
235 SIMIX_create_environment(file);
238 void gras_function_register(const char *name, xbt_main_func_t code)
240 SIMIX_function_register(name, code);
245 /* Clean IO before the run */
250 while (SIMIX_solve(NULL, NULL) != -1.0);
255 void gras_launch_application(const char *file)
257 SIMIX_launch_application(file);