From: alegrand <alegrand@48e7efb5-ca39-0410-a469-dd3cf9ba447f>
Date: Fri, 17 Dec 2004 22:45:59 +0000 (+0000)
Subject: This one was easy. :)
X-Git-Tag: v3.3~4669
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/49324ddce4feba6d5664c40e0fa3817460ca5549

This one was easy. :)


git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@681 48e7efb5-ca39-0410-a469-dd3cf9ba447f
---

diff --git a/src/Makefile.am b/src/Makefile.am
index 7708f9976a..598a911fb0 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -114,6 +114,7 @@ COMMON_S=\
   msg/m_process.c  \
   msg/gos.c  \
   msg/global.c  \
+  msg/environment.c  \
   \
   gras/gras.c \
   \
diff --git a/src/msg/environment.c b/src/msg/environment.c
new file mode 100644
index 0000000000..e0644ec869
--- /dev/null
+++ b/src/msg/environment.c
@@ -0,0 +1,67 @@
+/* 	$Id$	 */
+
+/* Copyright (c) 2002,2003,2004 Arnaud Legrand. 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. */
+
+#include"private.h"
+#include"xbt/sysdep.h"
+#include "xbt/error.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(environment, msg,
+				"Logging specific to MSG (environment)");
+
+/********************************* MSG **************************************/
+
+/** \ingroup msg_easier_life
+ * \brief A name directory service...
+ *
+ * Finds a m_host_t using its name.
+ * \param name the name of an host.
+ * \return the corresponding host
+ */
+m_host_t MSG_get_host_by_name(const char *name)
+{
+  xbt_fifo_item_t i = NULL;
+  m_host_t host = NULL;
+
+  xbt_assert0(((msg_global != NULL)
+	  && (msg_global->host != NULL)), "Environment not set yet");
+
+  xbt_fifo_foreach(msg_global->host,i,host,m_host_t) {
+    if(strcmp(host->name, name) == 0) return host;
+  }
+  return NULL;
+}
+
+/** \ingroup msg_easier_life
+ * \brief A platform constructor.
+ *
+ * Creates a new platform, including hosts, links and the
+ * routing_table. 
+ * \param file a filename of a description of a platform. This file is a simple text 
+ * file in which you can use C-style comments and C-style strings.
+ * Here is a simple description of the format:
+ \verbatim
+<CPU>
+host_name "power in MFlops" "availability" "availability file" ON/OFF "failure file"
+host_name "power in MFlops" "availability" "availability file" ON/OFF "failure file"
+...
+</LINKS>
+link_name "bandwidth in Mbytes" "bandwidth file" "latency in ms" "latency file"
+link_name "bandwidth in Mbytes" "bandwidth file" "latency in ms" "latency file"
+...
+ROUTES
+src_name dst_name (link_name link_name link_name ... )
+src_name dst_name (link_name link_name link_name ... )
+...
+\endverbatim
+ * Have a look in the directory examples/msg/ to have a better idea of what
+ * it looks like.
+ */
+void MSG_create_environment(const char *file) {
+  surf_workstation_resource_init(file);
+
+  return;
+}
+