X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/27e45c4d7ab7139603ac3f62de10f44d1bb071a0..42899c56484678345296504a65de123846148658:/src/gras/Virtu/sg_process.c

diff --git a/src/gras/Virtu/sg_process.c b/src/gras/Virtu/sg_process.c
index 9fb983d1dd..ea013670d4 100644
--- a/src/gras/Virtu/sg_process.c
+++ b/src/gras/Virtu/sg_process.c
@@ -2,113 +2,123 @@
 
 /* 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 "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_EXTERNAL_CATEGORY(process);
-GRAS_LOG_DEFAULT_CATEGORY(process);
+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_sg_portrec_t prraw,pr;
+  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_new(gras_procdata_t,1))) 
-    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_new(gras_hostdata_t,1)))
-      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();
 
   /* regiter it to the ports structure */
   pr.port = -1;
   pr.tochan = i;
-  pr.raw = 0;
-  TRY(gras_dynar_push(hd->ports,&pr));
-
-  /* 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);
+  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();
 
-  /* regiter it to the ports structure */
-  prraw.port = -1;
-  prraw.tochan = i;
-  prraw.raw = 1;
-  TRY(gras_dynar_push(hd->ports,&prraw));
+  /* 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);
 }
 
 /* **************************************************************************
@@ -119,8 +129,36 @@ gras_procdata_t *gras_procdata_get(void) {
   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;
+}