/* 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. */
+/** @addtogroup MSG_examples
+ *
+ * @subsection MSG_ex_resources Other resource kinds
+ *
+ * This section contains some sparse examples of how to use the other
+ * kind of resources, such as disk or GPU. These resources are quite
+ * experimental for now, but here we go anyway.
+ *
+ * - <b>io/file.c</b> Example with the disk resource
+ */
+
+#define FILENAME1 "./doc/simgrid/examples/platforms/g5k.xml"
+#define FILENAME2 "./doc/simgrid/examples/platforms/One_cluster_no_backbone.xml"
+#define FILENAME3 "./doc/simgrid/examples/platforms/g5k_cabinets.xml"
+#define FILENAME4 "./doc/simgrid/examples/platforms/nancy.xml"
+
#include <stdio.h>
#include <stdlib.h>
#include "msg/msg.h"
int host(int argc, char *argv[])
{
- m_file_t file;
- char* mount = bprintf("C:");
+ msg_file_t file = NULL;
+ void *ptr = NULL;
+ char* mount = xbt_strdup("/home");
+ size_t read,write;
- file = MSG_file_open(mount,"test.txt","rw");
- XBT_INFO("Host '%s' open %p",MSG_host_get_name(MSG_host_self()), file);
+ if(!strcmp(MSG_process_get_name(MSG_process_self()),"0"))
+ file = MSG_file_open(mount,FILENAME1);
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1"))
+ file = MSG_file_open(mount,FILENAME2);
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2"))
+ file = MSG_file_open(mount,FILENAME3);
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3"))
+ file = MSG_file_open(mount,FILENAME4);
+ else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self()));
- size_t read = MSG_file_read(mount,NULL,0,0,file);
- XBT_INFO("Host '%s' read %zu", MSG_host_get_name(MSG_host_self()), read);
+ XBT_INFO("\tOpen file '%s'",file->name);
- size_t write = MSG_file_write(mount,NULL,0,0,file);
- XBT_INFO("Host '%s' write %zu", MSG_host_get_name(MSG_host_self()), write);
+ read = MSG_file_read(ptr,10000000,sizeof(char*),file); // Read for 10MB
+ XBT_INFO("\tHave read %zu on %s",read,file->name);
- int res = MSG_file_stat(mount,0,NULL);
- XBT_INFO("Host '%s' stat %d",MSG_host_get_name(MSG_host_self()), res);
+ write = MSG_file_write(ptr,100000,sizeof(char*),file); // Write for 100KB
+ XBT_INFO("\tHave written %zu on %s",write,file->name);
- res = MSG_file_close(mount,file);
- XBT_INFO("Host '%s' close %d",MSG_host_get_name(MSG_host_self()), res);
+ read = MSG_file_read(ptr,110000,sizeof(char*),file); // Read for 110KB
+ XBT_INFO("\tHave read %zu on %s (of size %zu)",read,file->name,
+ MSG_file_get_size(file));
+
+ XBT_INFO("\tClose file '%s'",file->name);
+ MSG_file_close(file);
free(mount);
return 0;
int main(int argc, char **argv)
{
- int i,res;
- MSG_global_init(&argc, argv);
+ int i,res;
+ MSG_init(&argc, argv);
MSG_create_environment(argv[1]);
xbt_dynar_t hosts = MSG_hosts_as_dynar();
MSG_function_register("host", host);
-
- XBT_INFO("Number of host '%lu'",xbt_dynar_length(hosts));
- for(i = 0 ; i<xbt_dynar_length(hosts); i++)
+ unsigned long nb_hosts = xbt_dynar_length(hosts);
+ XBT_INFO("Number of host '%lu'",nb_hosts);
+ for(i = 0 ; i<nb_hosts; i++)
{
char* name_host = bprintf("%d",i);
- MSG_process_create( name_host, host, NULL, xbt_dynar_get_as(hosts,i,m_host_t) );
+ MSG_process_create( name_host, host, NULL, xbt_dynar_get_as(hosts,i,msg_host_t) );
free(name_host);
}
xbt_dynar_free(&hosts);
res = MSG_main();
XBT_INFO("Simulation time %g", MSG_get_clock());
- MSG_clean();
if (res == MSG_OK)
return 0;
else