@CMAKE_HOME_DIRECTORY@/examples/msg/trace-link-user-variables/trace-link-user-variables.c \
@CMAKE_HOME_DIRECTORY@/examples/msg/trace-link-srcdst-user-variables/trace-link-srcdst-user-variables.c \
@CMAKE_HOME_DIRECTORY@/examples/msg/network-ns3/network-ns3.c \
- @CMAKE_HOME_DIRECTORY@/examples/msg/io \
- @CMAKE_HOME_DIRECTORY@/examples/msg/gpu \
+ @CMAKE_HOME_DIRECTORY@/examples/msg/io-storage/io-storage.c \
+ @CMAKE_HOME_DIRECTORY@/examples/msg/io-file/io-file.c \
+ @CMAKE_HOME_DIRECTORY@/examples/msg/io-file/io-remote.c \
@CMAKE_HOME_DIRECTORY@/examples/msg/actions \
@CMAKE_HOME_DIRECTORY@/examples/msg/pmm \
@CMAKE_HOME_DIRECTORY@/examples/msg/chord\
foreach(x actions-comm actions-storage app-masterworker app-pingpong app-pmm app-token-ring async-wait async-waitall
async-waitany cloud-capping cloud-masterworker cloud-migration cloud-multicore cloud-simple cloud-two-tasks
dht-chord dht-pastry exception energy-consumption energy-onoff energy-pstate energy-ptask energy-vm failures
- io-file io-file-unlink io-remote io-storage task-priority process-kill process-migration process-suspend
+ io-file io-remote io-storage task-priority process-kill process-migration process-suspend
properties set-maestro process-startkilltime synchro trace-categories
trace-link-srcdst-user-variables trace-link-user-variables trace-masterworker trace-platform
trace-process-migration trace-simple trace-user-variables)
foreach(x actions-comm actions-storage app-bittorrent app-chainsend app-masterworker app-pingpong app-token-ring
async-wait async-waitall async-waitany cloud-capping cloud-masterworker cloud-migration cloud-simple
- cloud-two-tasks dht-chord dht-kademlia failures io-file io-file-unlink io-remote io-storage task-priority
+ cloud-two-tasks dht-chord dht-kademlia failures io-file io-remote io-storage task-priority
process-kill process-migration process-suspend properties synchro process-startkilltime)
ADD_TESH_FACTORIES(msg-${x} "thread;ucontext;raw;boost" --setenv bindir=${CMAKE_BINARY_DIR}/examples/msg/${x} --setenv srcdir=${CMAKE_HOME_DIRECTORY}/examples/platforms --cd ${CMAKE_HOME_DIRECTORY}/examples/msg/${x} ${x}.tesh)
endforeach()
+++ /dev/null
-/* Copyright (c) 2008-2010, 2012-2015. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-/** @addtogroup MSG_examples
- *
- * - <b>io/file_unlink.c</b> TBA
- */
-
-#define FILENAME1 "/home/doc/simgrid/examples/platforms/g5k.xml"
-
-#include "simgrid/msg.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(io_file, "Messages specific for this io example");
-
-static int host(int argc, char *argv[])
-{
- // First open
- XBT_INFO("\tOpen file '%s'",FILENAME1);
- msg_file_t file = MSG_file_open(FILENAME1, NULL);
-
- // Unlink the file
- XBT_INFO("\tUnlink file '%s'",MSG_file_get_name(file));
- MSG_file_unlink(file);
-
- // Re Open the file wich is in fact created
- XBT_INFO("\tOpen file '%s'",FILENAME1);
- file = MSG_file_open(FILENAME1, NULL);
-
- // Write into the new file
- sg_size_t write = MSG_file_write(file,100000); // Write for 100Ko
- XBT_INFO("\tHave written %llu on %s",write,MSG_file_get_name(file));
-
- // Write into the new file
- write = MSG_file_write(file,100000); // Write for 100Ko
- XBT_INFO("\tHave written %llu on %s",write,MSG_file_get_name(file));
-
- // Close the file
- XBT_INFO("\tClose file '%s'",MSG_file_get_name(file));
- MSG_file_close(file);
-
- return 0;
-}
-
-int main(int argc, char **argv)
-{
- MSG_init(&argc, argv);
- MSG_create_environment(argv[1]);
- xbt_dynar_t hosts = MSG_hosts_as_dynar();
- MSG_function_register("host", host);
- unsigned long nb_hosts = xbt_dynar_length(hosts);
- XBT_INFO("Number of host '%lu'",nb_hosts);
- char* name_host = xbt_strdup("0");
- MSG_process_create( name_host, host, NULL, xbt_dynar_get_as(hosts,0,msg_host_t) );
- free(name_host);
-
- xbt_dynar_free(&hosts);
-
- int res = MSG_main();
- XBT_INFO("Simulation time %g", MSG_get_clock());
- return res != MSG_OK;
-}
+++ /dev/null
-#! ./tesh
-
-$ ${bindir:=.}/io-file-unlink ${srcdir:=.}/storage/storage.xml "--log=root.fmt:[%10.6r]%e(%i:%P@%h)%e%m%n"
-> [ 0.000000] (0:maestro@) Number of host '4'
-> [ 0.000000] (1:0@denise) Open file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.000000] (1:0@denise) Unlink file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.000000] (1:0@denise) Open file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.001667] (1:0@denise) Have written 100000 on /home/doc/simgrid/examples/platforms/g5k.xml
-> [ 0.003333] (1:0@denise) Have written 100000 on /home/doc/simgrid/examples/platforms/g5k.xml
-> [ 0.003333] (1:0@denise) Close file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.003333] (0:maestro@) Simulation time 0.00333333
/** @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
+ * - <b>File management: io-file/io-file.c</b>. This example illustrates the use of operations on file
+ * (@ref MSG_file_open, @ref MSG_file_read, @ref MSG_file_write, or @ref MSG_file_close).
*/
#define FILENAME1 "/home/doc/simgrid/examples/platforms/g5k.xml"
XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu",
filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st));
- XBT_INFO("\tClose file '%s'",filename);
- MSG_file_close(file);
-
+ if(!strcmp(MSG_process_get_name(MSG_process_self()),"0")){
+ XBT_INFO("\tUnlink file '%s'",MSG_file_get_name(file));
+ MSG_file_unlink(file);
+ } else {
+ XBT_INFO("\tClose file '%s'",filename);
+ MSG_file_close(file);
+ }
return 0;
}
> [ 0.003560] (3:2@carl) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'
> [ 0.004135] (1:0@denise) Have written 110000 in '/home/doc/simgrid/examples/platforms/g5k.xml'. Size now is: 110000
> [ 0.004135] (1:0@denise) Capacity of the storage element '/home/doc/simgrid/examples/platforms/g5k.xml' is stored on: 13314966 / 536870912000
-> [ 0.004135] (1:0@denise) Close file '/home/doc/simgrid/examples/platforms/g5k.xml'
+> [ 0.004135] (1:0@denise) Unlink file '/home/doc/simgrid/examples/platforms/g5k.xml'
> [ 0.004414] (4:3@bob) Have read 104028 from '/home/doc/simgrid/examples/platforms/nancy.xml' (of size 104028)
> [ 0.004414] (4:3@bob) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/nancy.xml'
> [ 0.004558] (2:1@alice) Have written 110000 in 'c:\Windows\setupact.log'. Size now is: 110000
/** @addtogroup MSG_examples
*
- * - <b>io/remote.c</b> Example of delegated I/O operations
+ * - <b>Remote I/O: io-remote/io-remote.c</b> I/O operation can also be done in a remote, which is illustrated here.
*/
#include "simgrid/msg.h"
/** @addtogroup MSG_examples
*
- * - <b>io/storage.c</b> demo of all main storage and file functions
- */
-
-/********************* Files and Storage handling ****************************
- * This example implements all main storage and file functions of the MSG API
+ * @section MSG_ex_resources Simulation disks and files
*
- * Scenario :
- * - display information on the disks mounted by the current host
- * - create a 200,000 bytes file
- * - completely read the created file
- * - write 100,000 bytes in the file
- * - rename the created file
- * - attach some user data to a disk
- * - dump disk's contents
+ * This section lists some examples of storage simulation. This part of SimGrid is still preliminary.
*
-******************************************************************************/
+ * - <b>Basic example: io-storage/io-storage.c</b>. This example implements all main storage and file functions.
+ */
#include "simgrid/msg.h"
static int host(int argc, char *argv[]){
const char* host_name = MSG_host_get_name(MSG_host_self());
- // display information on the disks mounted by the current host
+ /** - Display information on the disks mounted by the current host */
XBT_INFO("*** Storage info on %s ***", host_name);
xbt_dict_cursor_t cursor = NULL;
char* storage_name;
msg_storage_t storage = NULL;
- // Retrieve all mount points of current host
+ /** - Retrieve all mount points of current host */
xbt_dict_t storage_list = MSG_host_get_mounted_storage_list(MSG_host_self());
xbt_dict_foreach(storage_list,cursor,mount_name,storage_name) {
- // For each disk mounted on host
+ /** - For each disk mounted on host:
+ - Retrieve disk's information */
XBT_INFO("Storage name: %s, mount name: %s", storage_name, mount_name);
storage = MSG_storage_get_by_name(storage_name);
- // Retrieve disk's information
sg_size_t free_size = MSG_storage_get_free_size(storage);
sg_size_t used_size = MSG_storage_get_used_size(storage);
sg_size_t size = MSG_storage_get_size(storage);
}
xbt_dict_free(&storage_list);
- // Create a 200,000 bytes file named './tmp/data.txt' on /sd1
+ /** - Create a 200,000 bytes file named './tmp/data.txt' on /sd1 */
char* file_name = xbt_strdup("/home/tmp/data.txt");
msg_file_t file = NULL;
sg_size_t write, read, file_size;
- // Open an non-existing file amounts to create it!
+ /** - Open an non-existing file which amounts to create it. */
file = MSG_file_open(file_name, NULL);
write = MSG_file_write(file, 200000); // Write 200,000 bytes
XBT_INFO("Create a %llu bytes file named '%s' on /sd1", write, file_name);
MSG_file_dump(file);
- // check that sizes have changed
+ /** - Check that sizes have changed */
XBT_INFO("Free size: %llu bytes", MSG_storage_get_free_size(storage));
XBT_INFO("Used size: %llu bytes", MSG_storage_get_used_size(storage));
- // Now retrieve the size of created file and read it completely
+ /** - Retrieve the size of created file and read it completely */
file_size = MSG_file_get_size(file);
MSG_file_seek(file, 0, SEEK_SET);
read = MSG_file_read(file, file_size);
XBT_INFO("Read %llu bytes on %s", read, file_name);
- // Now write 100,000 bytes in tmp/data.txt
+ /** - Then write 100,000 bytes in tmp/data.txt */
write = MSG_file_write(file, 100000); // Write 100,000 bytes
XBT_INFO("Write %llu bytes on %s", write, file_name);
MSG_file_dump(file);
storage_name = xbt_strdup("Disk4");
storage = MSG_storage_get_by_name(storage_name);
- // Now rename file from ./tmp/data.txt to ./tmp/simgrid.readme
+ /** - Move file from ./tmp/data.txt to ./tmp/simgrid.readme */
XBT_INFO("*** Move '/tmp/data.txt' into '/tmp/simgrid.readme'");
MSG_file_move(file, "/home/tmp/simgrid.readme");
- // Attach some user data to the file
+ /** - Attach some user data to the file */
MSG_file_set_data(file, xbt_strdup("777"));
- // Retrieve these data
+ /** - Then retrieve this data */
char *data = MSG_file_get_data(file);
XBT_INFO("User data attached to the file: %s", data);
MSG_file_close(file);
free(file_name);
- // Now attach some user data to disk1
+ /** - Attach some user data to disk1 */
XBT_INFO("*** Get/set data for storage element: %s ***",storage_name);
data = MSG_storage_get_data(storage);
xbt_free(data);
xbt_free(storage_name);
- // Dump disks contents
+ /** - Finally dump disks contents */
XBT_INFO("*** Dump content of %s ***",MSG_host_get_name(MSG_host_self()));
xbt_dict_t contents = NULL;
contents = MSG_host_get_storage_content(MSG_host_self()); // contents is a dict of dicts