/* 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;
- file = MSG_file_open("test.txt","rw");
- XBT_INFO("Host '%s' open %p",MSG_host_get_name(MSG_host_self()), file);
+ msg_file_t file = NULL;
+ s_msg_stat_t stat;
+ void *ptr = NULL;
+ char* mount = bprintf("/home");
+ double read,write;
+
+ if(!strcmp(MSG_process_get_name(MSG_process_self()),"0"))
+ file = MSG_file_open(mount,FILENAME1,"rw");
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"1"))
+ file = MSG_file_open(mount,FILENAME2,"rw");
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"2"))
+ file = MSG_file_open(mount,FILENAME3,"rw");
+ else if(!strcmp(MSG_process_get_name(MSG_process_self()),"3"))
+ file = MSG_file_open(mount,FILENAME4,"rw");
+ else xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self()));
+
+ XBT_INFO("\tOpen file '%s'",file->name);
- size_t read = MSG_file_read(NULL,0,0,file);
- XBT_INFO("Host '%s' read %zu", MSG_host_get_name(MSG_host_self()), read);
+ read = MSG_file_read(ptr,10000000,sizeof(char*),file); // Read for 10Mo
+ XBT_INFO("\tHaving read %.1f \ton %s",read,file->name);
- size_t write = MSG_file_write(NULL,0,0,file);
- XBT_INFO("Host '%s' write %zu", MSG_host_get_name(MSG_host_self()), write);
+ write = MSG_file_write(ptr,100000,sizeof(char*),file); // Write for 100Ko
+ XBT_INFO("\tHaving write %.1f \ton %s",write,file->name);
- int res = MSG_file_stat(0,NULL);
- XBT_INFO("Host '%s' stat %d",MSG_host_get_name(MSG_host_self()), res);
+ read = MSG_file_read(ptr,10000000,sizeof(char*),file); // Read for 10Mo
+ XBT_INFO("\tHaving read %.1f \ton %s",read,file->name);
- res = MSG_file_close(file);
- XBT_INFO("Host '%s' close %d",MSG_host_get_name(MSG_host_self()), res);
+ MSG_file_stat(file,&stat);
+ XBT_INFO("\tFile stat %s Size %.1f",file->name,stat.size);
+ MSG_file_free_stat(&stat);
+
+ 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]);
- m_host_t *host_table = MSG_get_host_table();
- int number_of_hosts = MSG_get_host_number();
+ xbt_dynar_t hosts = MSG_hosts_as_dynar();
MSG_function_register("host", host);
-
- XBT_INFO("Number of host '%d'",number_of_hosts);
- for(i = 0 ; i<number_of_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, host_table[i] );
+ MSG_process_create( name_host, host, NULL, xbt_dynar_get_as(hosts,i,msg_host_t) );
free(name_host);
}
- xbt_free(host_table);
+ xbt_dynar_free(&hosts);
res = MSG_main();
XBT_INFO("Simulation time %g", MSG_get_clock());
- MSG_clean();
if (res == MSG_OK)
return 0;
else