include examples/c/io-file-remote/io-file-remote.c
include examples/c/io-file-remote/io-file-remote.tesh
include examples/c/io-file-remote/io-file-remote_d.xml
+include examples/c/io-file-system/io-file-system.c
+include examples/c/io-file-system/io-file-system.tesh
include examples/c/platform-failures/platform-failures.c
include examples/c/platform-failures/platform-failures.tesh
include examples/c/platform-properties/platform-properties.c
include teshsuite/msg/cloud-two-tasks/cloud-two-tasks.tesh
include teshsuite/msg/get_sender/get_sender.c
include teshsuite/msg/get_sender/get_sender.tesh
-include teshsuite/msg/io-file/io-file.c
-include teshsuite/msg/io-file/io-file.tesh
include teshsuite/msg/task_destroy_cancel/task_destroy_cancel.c
include teshsuite/msg/task_destroy_cancel/task_destroy_cancel.tesh
include teshsuite/msg/task_listen_from/task_listen_from.c
dht-pastry
exec-async exec-basic exec-dvfs exec-remote exec-waitany
energy-exec energy-exec-ptask energy-vm
- io-disk-raw io-file-remote
+ io-disk-raw io-file-remote io-file-system
platform-failures platform-properties
plugin-hostload
synchro-semaphore)
dht-kademlia dht-pastry
exec-async exec-basic exec-dvfs exec-remote exec-waitany
energy-exec energy-exec-ptask energy-vm
- io-disk-raw io-file-remote
+ io-disk-raw io-file-remote io-file-system
platform-failures platform-properties
plugin-hostload
synchro-semaphore)
--- /dev/null
+/* Copyright (c) 2008-2020. 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. */
+
+#include "simgrid/actor.h"
+#include "simgrid/disk.h"
+#include "simgrid/engine.h"
+#include "simgrid/host.h"
+#include "simgrid/plugins/file_system.h"
+
+#include "xbt/log.h"
+#include "xbt/str.h"
+#include "xbt/sysdep.h"
+
+#include <stdio.h> /* SEEK_SET */
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(io_file_system, "Messages specific for this io example");
+
+static void show_info(unsigned int disk_count, sg_disk_t* disks)
+{
+ XBT_INFO("Storage info on %s:", sg_host_self_get_name());
+
+ for (unsigned int i = 0; i < disk_count; i++) {
+ sg_disk_t d = disks[i];
+ // Retrieve disk's information
+ XBT_INFO(" %s (%s) Used: %llu; Free: %llu; Total: %llu.", sg_disk_name(d), sg_disk_get_mount_point(d),
+ sg_disk_get_size_used(d), sg_disk_get_size_free(d), sg_disk_get_size(d));
+ }
+}
+
+static void host(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
+{
+ unsigned int disk_count;
+ sg_disk_t* disks;
+ sg_host_disks(sg_host_self(), &disk_count, &disks);
+
+ show_info(disk_count, disks);
+
+ // Open an non-existing file to create it
+ const char* filename = "/scratch/tmp/data.txt";
+ sg_file_t file = sg_file_open(filename, NULL);
+
+ sg_size_t write = sg_file_write(file, 200000); // Write 200,000 bytes
+ XBT_INFO("Create a %llu bytes file named '%s' on /scratch", write, filename);
+
+ // check that sizes have changed
+ show_info(disk_count, disks);
+
+ // Now retrieve the size of created file and read it completely
+ const sg_size_t file_size = sg_file_get_size(file);
+ sg_file_seek(file, 0, SEEK_SET);
+ const sg_size_t read = sg_file_read(file, file_size);
+ XBT_INFO("Read %llu bytes on %s", read, filename);
+
+ // Now write 100,000 bytes in tmp/data.txt
+ write = sg_file_write(file, 100000); // Write 100,000 bytes
+ XBT_INFO("Write %llu bytes on %s", write, filename);
+
+ // Now rename file from ./tmp/data.txt to ./tmp/simgrid.readme
+ const char* newpath = "/scratch/tmp/simgrid.readme";
+ XBT_INFO("Move '%s' to '%s'", sg_file_get_name(file), newpath);
+ sg_file_move(file, newpath);
+
+ // Test attaching some user data to the file
+ sg_file_set_data(file, xbt_strdup("777"));
+ char* file_data = (char*)(sg_file_get_data(file));
+ XBT_INFO("User data attached to the file: %s", file_data);
+ xbt_free(file_data);
+
+ // Close the file
+ sg_file_close(file);
+
+ show_info(disk_count, disks);
+
+ // Reopen the file and then unlink it
+ file = sg_file_open("/scratch/tmp/simgrid.readme", NULL);
+ XBT_INFO("Unlink file: '%s'", sg_file_get_name(file));
+ sg_file_unlink(file);
+
+ show_info(disk_count, disks);
+ xbt_free(disks);
+}
+
+int main(int argc, char** argv)
+{
+ simgrid_init(&argc, argv);
+ sg_storage_file_system_init();
+ simgrid_load_platform(argv[1]);
+ sg_actor_create("host", sg_host_by_name("bob"), host, 0, NULL);
+ simgrid_run();
+
+ return 0;
+}
--- /dev/null
+#!/usr/bin/env tesh
+
+$ ${bindir:=.}/io-file-system-c ${platfdir}/hosts_with_disks.xml
+> [bob:host:(1) 0.000000] [io_file_system/INFO] Storage info on bob:
+> [bob:host:(1) 0.000000] [io_file_system/INFO] Disk1 (/scratch) Used: 36933331; Free: 536833978669; Total: 536870912000.
+> [bob:host:(1) 0.000000] [io_file_system/INFO] Disk2 (/) Used: 0; Free: 536870912000; Total: 536870912000.
+> [bob:host:(1) 0.005000] [io_file_system/INFO] Create a 200000 bytes file named '/scratch/tmp/data.txt' on /scratch
+> [bob:host:(1) 0.005000] [io_file_system/INFO] Storage info on bob:
+> [bob:host:(1) 0.005000] [io_file_system/INFO] Disk1 (/scratch) Used: 37133331; Free: 536833778669; Total: 536870912000.
+> [bob:host:(1) 0.005000] [io_file_system/INFO] Disk2 (/) Used: 0; Free: 536870912000; Total: 536870912000.
+> [bob:host:(1) 0.007000] [io_file_system/INFO] Read 200000 bytes on /scratch/tmp/data.txt
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Write 100000 bytes on /scratch/tmp/data.txt
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Move '/scratch/tmp/data.txt' to '/scratch/tmp/simgrid.readme'
+> [bob:host:(1) 0.009500] [io_file_system/INFO] User data attached to the file: 777
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Storage info on bob:
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Disk1 (/scratch) Used: 37233331; Free: 536833678669; Total: 536870912000.
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Disk2 (/) Used: 0; Free: 536870912000; Total: 536870912000.
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Unlink file: '/scratch/tmp/simgrid.readme'
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Storage info on bob:
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Disk1 (/scratch) Used: 36933331; Free: 536833978669; Total: 536870912000.
+> [bob:host:(1) 0.009500] [io_file_system/INFO] Disk2 (/) Used: 0; Free: 536870912000; Total: 536870912000.
-foreach(x cloud-two-tasks get_sender io-file task_listen_from task_destroy_cancel)
+foreach(x cloud-two-tasks get_sender task_listen_from task_destroy_cancel)
if(enable_msg)
add_executable (${x} EXCLUDE_FROM_ALL ${x}/${x}.c)
target_link_libraries(${x} simgrid)
set(tesh_files ${tesh_files} PARENT_SCOPE)
if(enable_msg)
- foreach(x cloud-two-tasks get_sender task_destroy_cancel task_listen_from io-file)
+ foreach(x cloud-two-tasks get_sender task_destroy_cancel task_listen_from)
ADD_TESH_FACTORIES(tesh-msg-${x} "raw" --setenv platfdir=${CMAKE_HOME_DIRECTORY}/examples/platforms
--setenv bindir=${CMAKE_BINARY_DIR}/teshsuite/msg/${x}
+++ /dev/null
-/* Copyright (c) 2008-2020. 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. */
-
-#include "simgrid/msg.h"
-#include "simgrid/plugins/file_system.h"
-
-#include <stdio.h> /* SEEK_SET */
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(io_file, "Messages specific for this io example");
-
-static int host(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
-{
- msg_file_t file = NULL;
- sg_size_t read;
- sg_size_t write;
- const char* st_name;
-
- switch (MSG_process_self_PID()) {
- case 1:
- file = MSG_file_open("/tmp/include/surf/simgrid_dtd.h", NULL);
- st_name = "Disk2";
- break;
- case 2:
- file = MSG_file_open("/home/doc/simgrid/examples/platforms/nancy.xml", NULL);
- st_name = "Disk1";
- break;
- case 3:
- file = MSG_file_open("/home/doc/simgrid/examples/platforms/g5k_cabinets.xml", NULL);
- st_name = "Disk3";
- break;
- case 4:
- file = MSG_file_open("/home/doc/simgrid/examples/platforms/g5k.xml", NULL);
- MSG_file_dump(file);
- st_name = "Disk4";
- break;
- default:
- xbt_die("FILENAME NOT DEFINED %s", MSG_process_get_name(MSG_process_self()));
- }
-
- const char* filename = MSG_file_get_name(file);
- XBT_INFO("\tOpen file '%s'", filename);
- const_sg_storage_t st = MSG_storage_get_by_name(st_name);
-
- 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));
-
- /* Try to read for 10MB */
- read = MSG_file_read(file, 10000000);
- XBT_INFO("\tHave read %llu from '%s'", read, filename);
-
- /* Write 100KB in file from the current position, i.e, end of file or 10MB */
- write = MSG_file_write(file, 100000);
- XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu", write, filename, MSG_file_get_size(file));
-
- 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));
-
- /* rewind to the beginning of the file */
- XBT_INFO("\tComing back to the beginning of the stream for file '%s'", filename);
- MSG_file_seek(file, 0, SEEK_SET);
-
- /* Try to read 110KB */
- read = MSG_file_read(file, 110000);
- XBT_INFO("\tHave read %llu from '%s' (of size %llu)", read, filename, MSG_file_get_size(file));
-
- /* rewind once again to the beginning of the file */
- XBT_INFO("\tComing back to the beginning of the stream for file '%s'", filename);
- MSG_file_seek(file, 0, SEEK_SET);
-
- /* Write 110KB in file from the current position, i.e, end of file or 10MB */
- write = MSG_file_write(file, 110000);
- XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu", write, filename, MSG_file_get_size(file));
-
- 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));
-
- if (MSG_process_self_PID() == 1) {
- 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;
-}
-
-int main(int argc, char** argv)
-{
- MSG_init(&argc, argv);
- MSG_storage_file_system_init();
-
- 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);
- for (int i = 0; i < nb_hosts; i++) {
- MSG_process_create("host", host, NULL, xbt_dynar_get_as(hosts, i, msg_host_t));
- }
- xbt_dynar_free(&hosts);
-
- int res = MSG_main();
- XBT_INFO("Simulation time %.6f", MSG_get_clock());
- return res != MSG_OK;
-}
+++ /dev/null
-#!/usr/bin/env tesh
-
-$ ${bindir:=.}/io-file ${platfdir}/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:host@alice) Open file '/tmp/include/surf/simgrid_dtd.h'
-> [ 0.000000] (1:host@alice) Capacity of the storage element '/tmp/include/surf/simgrid_dtd.h' is stored on: 13221994 / 536870912000
-> [ 0.000000] (2:host@bob) Open file '/home/doc/simgrid/examples/platforms/nancy.xml'
-> [ 0.000000] (2:host@bob) Capacity of the storage element '/home/doc/simgrid/examples/platforms/nancy.xml' is stored on: 36933331 / 536870912000
-> [ 0.000000] (3:host@carl) Open file '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'
-> [ 0.000000] (3:host@carl) Capacity of the storage element '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml' is stored on: 36933331 / 536870912000
-> [ 0.000000] (4:host@denise) File Descriptor information:
-> Full path: '/home/doc/simgrid/examples/platforms/g5k.xml'
-> Size: 17028
-> Mount point: '/home'
-> Storage Id: 'Disk4'
-> Storage Type: 'single_SSD'
-> File Descriptor Id: 0
-> [ 0.000000] (4:host@denise) Open file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.000000] (4:host@denise) Capacity of the storage element '/home/doc/simgrid/examples/platforms/g5k.xml' is stored on: 13221994 / 536870912000
-> [ 0.000040] (2:host@bob) Have read 4028 from '/home/doc/simgrid/examples/platforms/nancy.xml'
-> [ 0.000085] (4:host@denise) Have read 17028 from '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.000118] (1:host@alice) Have read 23583 from '/tmp/include/surf/simgrid_dtd.h'
-> [ 0.000226] (3:host@carl) Have read 22645 from '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'
-> [ 0.001752] (4:host@denise) Have written 100000 in '/home/doc/simgrid/examples/platforms/g5k.xml'. Size now is: 117028
-> [ 0.001752] (4:host@denise) Capacity of the storage element '/home/doc/simgrid/examples/platforms/g5k.xml' is stored on: 13321994 / 536870912000
-> [ 0.001752] (4:host@denise) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.001785] (1:host@alice) Have written 100000 in '/tmp/include/surf/simgrid_dtd.h'. Size now is: 123583
-> [ 0.001785] (1:host@alice) Capacity of the storage element '/tmp/include/surf/simgrid_dtd.h' is stored on: 13321994 / 536870912000
-> [ 0.001785] (1:host@alice) Coming back to the beginning of the stream for file '/tmp/include/surf/simgrid_dtd.h'
-> [ 0.002302] (4:host@denise) Have read 110000 from '/home/doc/simgrid/examples/platforms/g5k.xml' (of size 117028)
-> [ 0.002302] (4:host@denise) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.002335] (1:host@alice) Have read 110000 from '/tmp/include/surf/simgrid_dtd.h' (of size 123583)
-> [ 0.002335] (1:host@alice) Coming back to the beginning of the stream for file '/tmp/include/surf/simgrid_dtd.h'
-> [ 0.003374] (2:host@bob) Have written 100000 in '/home/doc/simgrid/examples/platforms/nancy.xml'. Size now is: 104028
-> [ 0.003374] (2:host@bob) Capacity of the storage element '/home/doc/simgrid/examples/platforms/nancy.xml' is stored on: 37033331 / 536870912000
-> [ 0.003374] (2:host@bob) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/nancy.xml'
-> [ 0.003560] (3:host@carl) Have written 100000 in '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'. Size now is: 122645
-> [ 0.003560] (3:host@carl) Capacity of the storage element '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml' is stored on: 37033331 / 536870912000
-> [ 0.003560] (3:host@carl) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'
-> [ 0.004135] (4:host@denise) Have written 110000 in '/home/doc/simgrid/examples/platforms/g5k.xml'. Size now is: 110000
-> [ 0.004135] (4:host@denise) Capacity of the storage element '/home/doc/simgrid/examples/platforms/g5k.xml' is stored on: 13314966 / 536870912000
-> [ 0.004135] (4:host@denise) Close file '/home/doc/simgrid/examples/platforms/g5k.xml'
-> [ 0.004168] (1:host@alice) Have written 110000 in '/tmp/include/surf/simgrid_dtd.h'. Size now is: 110000
-> [ 0.004168] (1:host@alice) Capacity of the storage element '/tmp/include/surf/simgrid_dtd.h' is stored on: 13308411 / 536870912000
-> [ 0.004168] (1:host@alice) Unlink file '/tmp/include/surf/simgrid_dtd.h'
-> [ 0.004414] (2:host@bob) Have read 104028 from '/home/doc/simgrid/examples/platforms/nancy.xml' (of size 104028)
-> [ 0.004414] (2:host@bob) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/nancy.xml'
-> [ 0.004660] (3:host@carl) Have read 110000 from '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml' (of size 122645)
-> [ 0.004660] (3:host@carl) Coming back to the beginning of the stream for file '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'
-> [ 0.008081] (2:host@bob) Have written 110000 in '/home/doc/simgrid/examples/platforms/nancy.xml'. Size now is: 110000
-> [ 0.008081] (2:host@bob) Capacity of the storage element '/home/doc/simgrid/examples/platforms/nancy.xml' is stored on: 37039303 / 536870912000
-> [ 0.008081] (2:host@bob) Close file '/home/doc/simgrid/examples/platforms/nancy.xml'
-> [ 0.008326] (3:host@carl) Have written 110000 in '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'. Size now is: 110000
-> [ 0.008326] (3:host@carl) Capacity of the storage element '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml' is stored on: 37020686 / 536870912000
-> [ 0.008326] (3:host@carl) Close file '/home/doc/simgrid/examples/platforms/g5k_cabinets.xml'
-> [ 0.008326] (0:maestro@) Simulation time 0.008326