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_simix/Virtu/gras_simix_virtu_sg.h"
13 #include "gras_simix/Msg/gras_simix_msg_interface.h" /* For some checks at simulation end */
14 #include "gras_simix/Transport/gras_simix_transport_interface.h" /* For some checks at simulation end */
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
18 static long int PID = 1;
22 gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
23 gras_procdata_t *pd=xbt_new0(gras_procdata_t,1);
24 gras_trp_procdata_t trp_pd;
25 //gras_sg_portrec_t prmeas,pr;
28 SIMIX_process_set_data(SIMIX_process_self(),(void*)pd);
30 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
32 if (SIMIX_process_self() != NULL ) {
33 trp_pd->ppid = gras_os_getpid();
35 else trp_pd->ppid = -1;
40 /* First process on this host */
41 hd=xbt_new(gras_hostdata_t,1);
43 hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL);
45 // memset(hd->proc, 0, sizeof(hd->proc[0]) * XBT_MAX_CHANNEL);
47 SIMIX_host_set_data(SIMIX_host_self(),(void*)hd);
52 /* take a free channel for this process */
54 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
55 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
56 if (i == XBT_MAX_CHANNEL)
57 THROW2(system_error,0,
58 "Can't add a new process on %s, because all channels are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS.",
59 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
62 hd->proc[ i ] = MSG_process_self_PID();
64 /* regiter it to the ports structure */
68 //xbt_dynar_push(hd->ports,&pr);
70 /* take a free meas channel for this process */
72 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
73 if (i == XBT_MAX_CHANNEL) {
74 THROW2(system_error,0,
75 "Can't add a new process on %s, because all channels are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS.",
76 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
80 hd->proc[ i ] = MSG_process_self_PID();
82 /* register it to the ports structure */
86 //xbt_dynar_push(hd->ports,&prmeas);
88 VERB2("Creating process '%s' (%ld)",
89 SIMIX_process_get_name(SIMIX_process_self()),
95 gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
96 gras_procdata_t *pd=(gras_procdata_t*)SIMIX_process_get_data(SIMIX_process_self());
98 gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
99 //gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
100 //int myPID=gras_os_getpid();
102 //gras_sg_portrec_t pr;
104 xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
106 VERB2("GRAS: Finalizing process '%s' (%ld)",
107 SIMIX_process_get_name(SIMIX_process_self()),gras_os_getpid());
109 if (xbt_dynar_length(msg_pd->msg_queue))
110 WARN1("process %ld terminated, but some messages are still queued",
114 for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++)
115 if (myPID == hd->proc[cpt])
119 /* remove ports from host, maybe i can do it on the socket destroy function */
121 xbt_dynar_foreach(hd->ports, cpt, pr) {
122 if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) {
123 xbt_dynar_cursor_rm(hd->ports, &cpt);
127 if ( ! --(hd->refcount)) {
128 xbt_dynar_free(&hd->ports);
131 gras_procdata_exit();
135 /* **************************************************************************
137 * **************************************************************************/
139 gras_procdata_t *gras_procdata_get(void) {
141 (gras_procdata_t *)SIMIX_process_get_data(SIMIX_process_self());
143 xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
148 gras_libdata_by_name_from_remote(const char *name, smx_process_t p) {
150 (gras_procdata_t *)SIMIX_process_get_data(p);
152 xbt_assert2(pd,"process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
153 SIMIX_process_get_name(p),SIMIX_host_get_name(SIMIX_process_get_host(p)));
155 return gras_libdata_by_name_from_procdata(name, pd);
158 const char* xbt_procname(void) {
159 const char *res = NULL;
160 smx_process_t process = SIMIX_process_self();
161 if ((process != NULL) && (process->simdata))
162 res = SIMIX_process_get_name(process);
169 long int gras_os_getpid(void) {
171 smx_process_t process = SIMIX_process_self();
172 if ((process != NULL) && (process->data))
173 return ((gras_procdata_t*)process->data)->pid;