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. */
12 #include "gras_modinter.h" /* module initialization interface */
13 #include "gras/Virtu/virtu_sg.h"
14 #include "gras/Msg/msg_interface.h" /* For some checks at simulation end */
15 #include "gras/Transport/transport_interface.h" /* For some checks at simulation end */
17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
19 static long int PID = 1;
22 void gras_agent_spawn(const char *name, void *data,
23 xbt_main_func_t code, int argc, char *argv[],
24 xbt_dict_t properties)
27 SIMIX_process_create(name, code,
28 data, gras_os_myname(), argc, argv, properties);
31 /* **************************************************************************
32 * Process constructor/destructor (semi-public interface)
33 * **************************************************************************/
35 void gras_process_init()
38 (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
39 gras_procdata_t *pd = xbt_new0(gras_procdata_t, 1);
40 gras_trp_procdata_t trp_pd;
42 SIMIX_process_set_data(SIMIX_process_self(), (void *) pd);
48 /* First process on this host */
49 hd = xbt_new(gras_hostdata_t, 1);
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->sockets_to_close = xbt_dynar_new(sizeof(gras_socket_t),NULL);
66 VERB2("Creating process '%s' (%d)",
67 SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid());
70 void gras_process_exit()
73 ((gras_trp_procdata_t) gras_libdata_by_name("gras_trp"))->sockets;
74 gras_socket_t sock_iter;
77 (gras_hostdata_t *) SIMIX_host_get_data(SIMIX_host_self());
79 (gras_procdata_t *) SIMIX_process_get_data(SIMIX_process_self());
81 gras_msg_procdata_t msg_pd =
82 (gras_msg_procdata_t) gras_libdata_by_name("gras_msg");
83 gras_trp_procdata_t trp_pd =
84 (gras_trp_procdata_t) gras_libdata_by_name("gras_trp");
86 xbt_dynar_free(&trp_pd->sockets_to_close);
89 xbt_assert0(hd, "Run gras_process_init (ie, gras_init)!!");
91 VERB2("GRAS: Finalizing process '%s' (%d)",
92 SIMIX_process_get_name(SIMIX_process_self()), gras_os_getpid());
94 if (xbt_dynar_length(msg_pd->msg_queue)) {
97 WARN2("process %d terminated, but %ld messages are still queued. Message list:",
98 gras_os_getpid(),xbt_dynar_length(msg_pd->msg_queue));
99 xbt_dynar_foreach(msg_pd->msg_queue,cpt, msg) {
100 WARN5(" Message %s (%s) from %s@%s:%d",msg.type->name,e_gras_msg_kind_names[msg.kind],
101 gras_socket_peer_proc(msg.expe),gras_socket_peer_name(msg.expe),gras_socket_peer_port(msg.expe));
105 /* if each process has its sockets list, we need to close them when the
107 xbt_dynar_foreach(sockets, cursor, sock_iter) {
108 VERB1("Closing the socket %p left open on exit. Maybe a socket leak?",
110 gras_socket_close(sock_iter);
112 if (!--(hd->refcount)) {
115 gras_procdata_exit();
119 /* **************************************************************************
120 * Process data (public interface)
121 * **************************************************************************/
123 gras_procdata_t *gras_procdata_get(void)
125 gras_procdata_t *pd =
126 (gras_procdata_t *) SIMIX_process_get_data(SIMIX_process_self());
128 xbt_assert0(pd, "Run gras_process_init! (ie, gras_init)");
133 void *gras_libdata_by_name_from_remote(const char *name, smx_process_t p)
135 gras_procdata_t *pd = (gras_procdata_t *) SIMIX_process_get_data(p);
138 "process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
139 SIMIX_process_get_name(p),
140 SIMIX_host_get_name(SIMIX_process_get_host(p)));
142 return gras_libdata_by_name_from_procdata(name, pd);
145 /** @brief retrieve the value of a given process property (or NULL if not defined) */
146 const char *gras_process_property_value(const char *name)
149 xbt_dict_get_or_null(SIMIX_process_get_properties(SIMIX_process_self()),
153 /** @brief retrieve the process properties dictionnary
154 * @warning it's the original one, not a copy. Don't mess with it
156 xbt_dict_t gras_process_properties(void)
158 return SIMIX_process_get_properties(SIMIX_process_self());
161 /* **************************************************************************
162 * OS virtualization function
163 * **************************************************************************/
165 const char *xbt_procname(void)
167 smx_process_t process = SIMIX_process_self();
168 /*FIXME: maestro used not have a simix process, now it does so
169 SIMIX_process_self will return something different to NULL. This breaks
170 the old xbt_log logic that assumed that NULL was equivalent to maestro,
171 thus when printing it searches for maestro host name (which doesn't exists)
172 and breaks the logging.
173 As a hack we check for maestro by looking to the assigned host, if it is
174 NULL then we are sure is maestro
176 if (process != NULL && SIMIX_host_self())
177 return SIMIX_process_get_name(process);
182 int gras_os_getpid(void)
184 gras_procdata_t *data;
185 smx_process_t process = SIMIX_process_self();
187 if (process != NULL){
188 data = (gras_procdata_t *)SIMIX_process_get_data(process);
196 /** @brief retrieve the value of a given host property (or NULL if not defined) */
197 const char *gras_os_host_property_value(const char *name)
200 xbt_dict_get_or_null(SIMIX_host_get_properties
201 (SIMIX_process_get_host(SIMIX_process_self())),
205 /** @brief retrieve the host properties dictionnary
206 * @warning it's the original one, not a copy. Don't mess with it
208 xbt_dict_t gras_os_host_properties(void)
211 SIMIX_host_get_properties(SIMIX_process_get_host(SIMIX_process_self()));
214 /* **************************************************************************
215 * Interface with SIMIX
216 * (these functions are called by the stuff generated by gras_stub_generator)
217 * **************************************************************************/
219 XBT_LOG_EXTERNAL_CATEGORY(gras_trp);
220 XBT_LOG_EXTERNAL_CATEGORY(gras_trp_sg);
222 void gras_global_init(int *argc, char **argv)
224 XBT_LOG_CONNECT(gras_trp_sg, gras_trp);
225 SIMIX_global_init(argc, argv);
228 void gras_create_environment(const char *file)
230 SIMIX_create_environment(file);
233 void gras_function_register(const char *name, xbt_main_func_t code)
235 SIMIX_function_register(name, code);
240 /* Clean IO before the run */
245 while (SIMIX_solve(NULL, NULL) != -1.0);
250 void gras_launch_application(const char *file)
252 SIMIX_launch_application(file);