/* process_sg - GRAS process handling on simulator */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2003,2004 da GRAS posse. */
+/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
-#include "Virtu/virtu_sg.h"
+#include "xbt/ex.h"
+#include "gras_modinter.h" /* module initialization interface */
+#include "gras/Virtu/virtu_sg.h"
+#include "gras/Msg/msg_interface.h" /* For some checks at simulation end */
+#include "gras/Transport/transport_interface.h" /* For some checks at simulation end */
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(process,GRAS);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
-gras_error_t
+
+
+void
gras_process_init() {
- gras_error_t errcode;
gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
- gras_procdata_t *pd;
+ gras_procdata_t *pd=xbt_new0(gras_procdata_t,1);
+ gras_trp_procdata_t trp_pd;
+ gras_sg_portrec_t prmeas,pr;
int i;
- if (!(pd=(gras_procdata_t *)malloc(sizeof(gras_procdata_t))))
- RAISE_MALLOC;
-
- if (MSG_process_set_data(MSG_process_self(),(void*)pd) != MSG_OK) {
- return unknown_error;
- }
- TRY(gras_procdata_init());
+ if (MSG_process_set_data(MSG_process_self(),(void*)pd) != MSG_OK)
+ THROW0(system_error,0,"Error in MSG_process_set_data()");
+
+ gras_procdata_init();
if (!hd) {
- if (!(hd=(gras_hostdata_t *)malloc(sizeof(gras_hostdata_t))))
- RAISE_MALLOC;
+ /* First process on this host */
+ hd=xbt_new(gras_hostdata_t,1);
+ hd->refcount = 1;
+ hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL);
- TRY(gras_dynar_new(&(hd->ports),sizeof(gras_sg_portrec_t),NULL));
+ memset(hd->proc, 0, sizeof(hd->proc[0]) * XBT_MAX_CHANNEL);
- memset(hd->proc, 0, sizeof(hd->proc[0]) * GRAS_MAX_CHANNEL);
-
- if (MSG_host_set_data(MSG_host_self(),(void*)hd) != MSG_OK) {
- return unknown_error;
- }
+ if (MSG_host_set_data(MSG_host_self(),(void*)hd) != MSG_OK)
+ THROW0(system_error,0,"Error in MSG_host_set_data()");
+ } else {
+ hd->refcount++;
}
/* take a free channel for this process */
- for (i=0; i<GRAS_MAX_CHANNEL && hd->proc[i]; i++);
- if (i == GRAS_MAX_CHANNEL)
- RAISE2(system_error,
- "GRAS: Can't add a new process on %s, because all channel are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS\n.",
- MSG_host_get_name(MSG_host_self()),GRAS_MAX_CHANNEL);
-
- pd->chan = i;
+ trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
+ for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
+ if (i == XBT_MAX_CHANNEL)
+ THROW2(system_error,0,
+ "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.",
+ MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
+
+ trp_pd->chan = i;
hd->proc[ i ] = MSG_process_self_PID();
- /* take a free RAW channel for this process */
- for (i=0; i<GRAS_MAX_CHANNEL && hd->proc[i]; i++);
- if (i == GRAS_MAX_CHANNEL) {
- RAISE2(system_error,
- "GRAS: Can't add a new process on %s, because all channel are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS\n.",
- MSG_host_get_name(MSG_host_self()),GRAS_MAX_CHANNEL);
+ /* regiter it to the ports structure */
+ pr.port = -1;
+ pr.tochan = i;
+ pr.meas = 0;
+ xbt_dynar_push(hd->ports,&pr);
+
+ /* take a free meas channel for this process */
+ for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
+ if (i == XBT_MAX_CHANNEL) {
+ THROW2(system_error,0,
+ "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.",
+ MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
}
- pd->rawChan = i;
+ trp_pd->measChan = i;
hd->proc[ i ] = MSG_process_self_PID();
- /* Connect a dummy socket to ourselves. It's returned by select() */
- TRY(gras_socket_client(MSG_host_get_name(MSG_host_self()),
- pd->chan, &(pd->sock)));
+ /* register it to the ports structure */
+ prmeas.port = -1;
+ prmeas.tochan = i;
+ prmeas.meas = 1;
+ xbt_dynar_push(hd->ports,&prmeas);
VERB2("Creating process '%s' (%d)",
MSG_process_get_name(MSG_process_self()),
MSG_process_self_PID());
- return no_error;
}
-gras_error_t
+void
gras_process_exit() {
gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
- gras_procdata_t *pd=gras_procdata_get();
+ gras_procdata_t *pd=(gras_procdata_t*)MSG_process_get_data(MSG_process_self());
+
+ gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
+ gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
int myPID=MSG_process_self_PID();
int cpt;
gras_sg_portrec_t pr;
- gras_assert0(hd && pd,"Run gras_process_init!!");
+ xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
- INFO2("GRAS: Finalizing process '%s' (%d)",
+ VERB2("GRAS: Finalizing process '%s' (%d)",
MSG_process_get_name(MSG_process_self()),MSG_process_self_PID());
- if (gras_dynar_length(pd->msg_queue))
+ if (xbt_dynar_length(msg_pd->msg_queue))
WARN1("process %d terminated, but some messages are still queued",
MSG_process_self_PID());
- for (cpt=0; cpt< GRAS_MAX_CHANNEL; cpt++)
+ for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++)
if (myPID == hd->proc[cpt])
hd->proc[cpt] = 0;
- gras_dynar_foreach(hd->ports, cpt, pr) {
- if (pr.port == pd->chan || pr.port == pd->rawChan) {
- gras_dynar_cursor_rm(hd->ports, &cpt);
+ xbt_dynar_foreach(hd->ports, cpt, pr) {
+ if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) {
+ xbt_dynar_cursor_rm(hd->ports, &cpt);
}
}
- return no_error;
+ if ( ! --(hd->refcount)) {
+ xbt_dynar_free(&hd->ports);
+ free(hd);
+ }
+ gras_procdata_exit();
+ free(pd);
}
/* **************************************************************************
gras_procdata_t *pd=
(gras_procdata_t *)MSG_process_get_data(MSG_process_self());
- gras_assert0(pd,"Run gras_process_init!");
+ xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
return pd;
}
+void *
+gras_libdata_by_name_from_remote(const char *name, m_process_t p) {
+ gras_procdata_t *pd=
+ (gras_procdata_t *)MSG_process_get_data(p);
+ xbt_assert2(pd,"process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
+ MSG_process_get_name(p),MSG_host_get_name(MSG_process_get_host(p)));
+
+ return gras_libdata_by_name_from_procdata(name, pd);
+}
+
+const char* xbt_procname(void) {
+ const char *res = NULL;
+ m_process_t process = MSG_process_self();
+ if ((process != NULL) && (process->simdata))
+ res = MSG_process_get_name(process);
+ if (res)
+ return res;
+ else
+ return "";
+}
+
+long int gras_os_getpid(void) {
+ m_process_t process = MSG_process_self();
+ if ((process != NULL) && (process->simdata))
+ return (long int)MSG_process_get_PID(MSG_process_self());
+ else
+ return (long int)0;
+}