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Use msg_process_t instead of m_process_t
[simgrid.git] / include / msg / msg.h
index 8850105..c0b5c6c 100644 (file)
@@ -1,5 +1,4 @@
-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2004-2012. 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 "xbt.h"
 
 #include "msg/datatypes.h"
+
+#include "simgrid/simix.h"
+
 SG_BEGIN_DECL()
 
+/** @brief Return code of most MSG functions
+    @ingroup msg_simulation
+    @{ */
+/* Keep these code as binary values: java bindings manipulate | of these values */
+typedef enum {
+  MSG_OK = 0,                 /**< @brief Everything is right. Keep on going this way ! */
+  MSG_TIMEOUT = 1,            /**< @brief nothing good happened before the timer you provided elapsed */
+  MSG_TRANSFER_FAILURE = 2,   /**< @brief There has been a problem during you task
+      transfer. Either the network is down or the remote host has been
+      shutdown. */
+  MSG_HOST_FAILURE = 4,       /**< @brief System shutdown. The host on which you are
+      running has just been rebooted. Free your datastructures and
+      return now !*/
+  MSG_TASK_CANCELED = 8      /**< @brief Canceled task. This task has been canceled by somebody!*/
+} MSG_error_t;
+/** @} */
+
 
 /************************** Global ******************************************/
 XBT_PUBLIC(void) MSG_config(const char *name, ...);
-XBT_PUBLIC(void) MSG_global_init(int *argc, char **argv);
-XBT_PUBLIC(void) MSG_global_init_args(int *argc, char **argv);
-XBT_PUBLIC(MSG_error_t) MSG_set_channel_number(int number);
-XBT_PUBLIC(int) MSG_get_channel_number(void);
+/** \ingroup msg_simulation
+ *  \brief Initialize the MSG internal data.
+ *  \hideinitializer
+ *
+ *  It also check that the link-time and compile-time versions of SimGrid do
+ *  match, so you should use this version instead of the #MSG_init_nocheck
+ *  function that does the same initializations, but without this check.
+ *
+ *  We allow to link against compiled versions that differ in the patch level.
+ */
+#define MSG_init(argc,argv)  {                      \
+         int ver_major,ver_minor,ver_patch;              \
+         sg_version(&ver_major,&ver_minor,&ver_patch);   \
+         if ((ver_major != SIMGRID_VERSION_MAJOR) ||     \
+             (ver_minor != SIMGRID_VERSION_MINOR)) {     \
+           fprintf(stderr,"FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, and then linked against SimGrid %d.%d.%d. Please fix this.\n", \
+               SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,ver_major,ver_minor,ver_patch);                          \
+         }                                               \
+         MSG_init_nocheck(argc,argv);                    \
+       }
+
+XBT_PUBLIC(void) MSG_init_nocheck(int *argc, char **argv);
 XBT_PUBLIC(MSG_error_t) MSG_main(void);
 XBT_PUBLIC(MSG_error_t) MSG_clean(void);
 XBT_PUBLIC(void) MSG_function_register(const char *name,
@@ -31,10 +68,18 @@ XBT_PUBLIC(void) MSG_set_function(const char *host_id,
                                   const char *function_name,
                                   xbt_dynar_t arguments);
 
-XBT_INLINE XBT_PUBLIC(double) MSG_get_clock(void);
+XBT_PUBLIC(double) MSG_get_clock(void);
 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
 
 
+/************************** File handling ***********************************/
+XBT_PUBLIC(double) MSG_file_read(void* ptr, size_t size, size_t nmemb, msg_file_t stream);
+XBT_PUBLIC(size_t) MSG_file_write(const void* ptr, size_t size, size_t nmemb, msg_file_t stream);
+XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path, const char* mode);
+XBT_PUBLIC(int) MSG_file_close(msg_file_t fp);
+XBT_PUBLIC(int) MSG_file_stat(msg_file_t fd, s_msg_stat_t *buf);
+
+
 /************************** Host handling ***********************************/
 XBT_PUBLIC(MSG_error_t) MSG_host_set_data(m_host_t host, void *data);
 XBT_PUBLIC(void *) MSG_host_get_data(m_host_t host);
@@ -44,30 +89,34 @@ XBT_PUBLIC(int) MSG_get_host_msgload(m_host_t host);
 /* int MSG_get_msgload(void); This function lacks specification; discard it */
 XBT_PUBLIC(double) MSG_get_host_speed(m_host_t h);
 XBT_PUBLIC(int) MSG_host_is_avail(m_host_t h);
+XBT_PUBLIC(void) __MSG_host_destroy(m_host_t host);
 
 /*property handlers*/
 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(m_host_t host);
 XBT_PUBLIC(const char *) MSG_host_get_property_value(m_host_t host,
                                                      const char *name);
+XBT_PUBLIC(void) MSG_host_set_property_value(m_host_t host,
+                                             const char *name, char *value,
+                                             void_f_pvoid_t free_ctn);
+
 
 XBT_PUBLIC(void) MSG_create_environment(const char *file);
 XBT_PUBLIC(void) MSG_load_platform_script(const char *script_file);
 
 XBT_PUBLIC(m_host_t) MSG_get_host_by_name(const char *name);
-XBT_PUBLIC(int) MSG_get_host_number(void);
-XBT_PUBLIC(m_host_t *) MSG_get_host_table(void);
+XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
 
 /************************** Process handling *********************************/
-XBT_PUBLIC(m_process_t) MSG_process_create(const char *name,
+XBT_PUBLIC(msg_process_t) MSG_process_create(const char *name,
                                            xbt_main_func_t code,
                                            void *data, m_host_t host);
-XBT_PUBLIC(m_process_t) MSG_process_create_with_arguments(const char *name,
+XBT_PUBLIC(msg_process_t) MSG_process_create_with_arguments(const char *name,
                                                           xbt_main_func_t
                                                           code, void *data,
                                                           m_host_t host,
                                                           int argc,
                                                           char **argv);
-XBT_PUBLIC(m_process_t) MSG_process_create_with_environment(const char
+XBT_PUBLIC(msg_process_t) MSG_process_create_with_environment(const char
                                                             *name,
                                                             xbt_main_func_t
                                                             code,
@@ -77,38 +126,46 @@ XBT_PUBLIC(m_process_t) MSG_process_create_with_environment(const char
                                                             char **argv,
                                                             xbt_dict_t
                                                             properties);
-XBT_PUBLIC(void) MSG_process_kill(m_process_t process);
+XBT_PUBLIC(void) MSG_process_kill(msg_process_t process);
 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
 
-XBT_PUBLIC(MSG_error_t) MSG_process_change_host(m_host_t host);
+XBT_PUBLIC(MSG_error_t) MSG_process_migrate(msg_process_t process, m_host_t host);
 
-XBT_PUBLIC(void *) MSG_process_get_data(m_process_t process);
-XBT_PUBLIC(MSG_error_t) MSG_process_set_data(m_process_t process,
+XBT_PUBLIC(void *) MSG_process_get_data(msg_process_t process);
+XBT_PUBLIC(MSG_error_t) MSG_process_set_data(msg_process_t process,
                                              void *data);
-XBT_PUBLIC(m_host_t) MSG_process_get_host(m_process_t process);
-XBT_PUBLIC(m_process_t) MSG_process_from_PID(int PID);
-XBT_PUBLIC(int) MSG_process_get_PID(m_process_t process);
-XBT_PUBLIC(int) MSG_process_get_PPID(m_process_t process);
-XBT_PUBLIC(const char *) MSG_process_get_name(m_process_t process);
+XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
+XBT_PUBLIC(m_host_t) MSG_process_get_host(msg_process_t process);
+XBT_PUBLIC(msg_process_t) MSG_process_from_PID(int PID);
+XBT_PUBLIC(int) MSG_process_get_PID(msg_process_t process);
+XBT_PUBLIC(int) MSG_process_get_PPID(msg_process_t process);
+XBT_PUBLIC(const char *) MSG_process_get_name(msg_process_t process);
 XBT_PUBLIC(int) MSG_process_self_PID(void);
 XBT_PUBLIC(int) MSG_process_self_PPID(void);
-XBT_PUBLIC(m_process_t) MSG_process_self(void);
+XBT_PUBLIC(msg_process_t) MSG_process_self(void);
+XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
+XBT_PUBLIC(MSG_error_t) MSG_process_set_kill_time(msg_process_t process, double kill_time);
 
 /*property handlers*/
-XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(m_process_t process);
-XBT_PUBLIC(const char *) MSG_process_get_property_value(m_process_t
+XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(msg_process_t process);
+XBT_PUBLIC(const char *) MSG_process_get_property_value(msg_process_t
                                                         process,
                                                         const char *name);
 
-XBT_PUBLIC(MSG_error_t) MSG_process_suspend(m_process_t process);
-XBT_PUBLIC(MSG_error_t) MSG_process_resume(m_process_t process);
-XBT_PUBLIC(int) MSG_process_is_suspended(m_process_t process);
+XBT_PUBLIC(MSG_error_t) MSG_process_suspend(msg_process_t process);
+XBT_PUBLIC(MSG_error_t) MSG_process_resume(msg_process_t process);
+XBT_PUBLIC(int) MSG_process_is_suspended(msg_process_t process);
+XBT_PUBLIC(void) MSG_process_on_exit(int_f_pvoid_t fun, void *data);
+XBT_PUBLIC(void) MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
 
 /************************** Task handling ************************************/
-
 XBT_PUBLIC(m_task_t) MSG_task_create(const char *name,
                                      double compute_duration,
                                      double message_size, void *data);
+XBT_PUBLIC(m_gpu_task_t) MSG_gpu_task_create(const char *name,
+                                     double compute_duration,
+                                     double dispatch_latency,
+                                     double collect_latency);
 XBT_PUBLIC(m_task_t) MSG_parallel_task_create(const char *name,
                                               int host_nb,
                                               const m_host_t * host_list,
@@ -117,46 +174,23 @@ XBT_PUBLIC(m_task_t) MSG_parallel_task_create(const char *name,
                                               void *data);
 XBT_PUBLIC(void *) MSG_task_get_data(m_task_t task);
 XBT_PUBLIC(void) MSG_task_set_data(m_task_t task, void *data);
-XBT_PUBLIC(m_process_t) MSG_task_get_sender(m_task_t task);
+XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
+    m_task_t task, msg_process_t src, msg_process_t dst));
+XBT_PUBLIC(msg_process_t) MSG_task_get_sender(m_task_t task);
 XBT_PUBLIC(m_host_t) MSG_task_get_source(m_task_t task);
 XBT_PUBLIC(const char *) MSG_task_get_name(m_task_t task);
 XBT_PUBLIC(void) MSG_task_set_name(m_task_t task, const char *name);
 XBT_PUBLIC(MSG_error_t) MSG_task_cancel(m_task_t task);
 XBT_PUBLIC(MSG_error_t) MSG_task_destroy(m_task_t task);
-XBT_PUBLIC(void) MSG_task_refcount_dec(m_task_t task);
 
-XBT_PUBLIC(MSG_error_t) MSG_task_get(m_task_t * task, m_channel_t channel);
-XBT_PUBLIC(MSG_error_t) MSG_task_get_with_timeout(m_task_t * task,
-                                                  m_channel_t channel,
-                                                  double max_duration);
-XBT_PUBLIC(MSG_error_t) MSG_task_get_from_host(m_task_t * task,
-                                               int channel, m_host_t host);
-MSG_error_t MSG_task_receive_from_host(m_task_t * task, const char *alias,
+XBT_PUBLIC(MSG_error_t) MSG_task_receive_from_host(m_task_t * task, const char *alias,
                                        m_host_t host);
-XBT_PUBLIC(MSG_error_t) MSG_task_get_ext(m_task_t * task, int channel,
-                                         double max_duration,
-                                         m_host_t host);
 
-
-XBT_PUBLIC(MSG_error_t) MSG_task_put(m_task_t task, m_host_t dest,
-                                     m_channel_t channel);
-XBT_PUBLIC(MSG_error_t) MSG_task_put_bounded(m_task_t task,
-                                             m_host_t dest,
-                                             m_channel_t channel,
-                                             double max_rate);
-XBT_PUBLIC(MSG_error_t) MSG_task_put_with_timeout(m_task_t task,
-                                                  m_host_t dest,
-                                                  m_channel_t channel,
-                                                  double max_duration);
 XBT_PUBLIC(MSG_error_t) MSG_task_execute(m_task_t task);
 XBT_PUBLIC(MSG_error_t) MSG_parallel_task_execute(m_task_t task);
 XBT_PUBLIC(void) MSG_task_set_priority(m_task_t task, double priority);
 
-XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
-XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
-XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, m_host_t host);
 XBT_PUBLIC(MSG_error_t) MSG_process_sleep(double nb_sec);
-XBT_PUBLIC(MSG_error_t) MSG_get_errno(void);
 
 XBT_PUBLIC(double) MSG_task_get_compute_duration(m_task_t task);
 XBT_PUBLIC(void) MSG_task_set_compute_duration(m_task_t task,
@@ -177,8 +211,15 @@ XBT_PUBLIC(MSG_error_t)
 
 XBT_PUBLIC(MSG_error_t)
     MSG_task_receive(m_task_t * task, const char *alias);
+#define MSG_task_recv(t,a) MSG_task_receive(t,a)
 
 XBT_PUBLIC(msg_comm_t) MSG_task_isend(m_task_t task, const char *alias);
+XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(m_task_t task,
+                                                    const char *alias,
+                                                    int (*match_fun)(void*,void*, smx_action_t),
+                                                    void *match_data);
+
+XBT_PUBLIC(void) MSG_task_dsend(m_task_t task, const char *alias, void_f_pvoid_t cleanup);
 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(m_task_t * task, const char *alias);
 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
@@ -188,6 +229,7 @@ XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
                                   double timeout);
 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
 XBT_PUBLIC(m_task_t) MSG_comm_get_task(msg_comm_t comm);
+XBT_PUBLIC(MSG_error_t) MSG_comm_get_status(msg_comm_t comm);
 
 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
 
@@ -206,6 +248,9 @@ XBT_PUBLIC(MSG_error_t)
 
 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
 
+XBT_PUBLIC(void) MSG_task_set_category (m_task_t task, const char *category);
+XBT_PUBLIC(const char *) MSG_task_get_category (m_task_t task);
+
 /************************** Task handling ************************************/
 XBT_PUBLIC(MSG_error_t)
     MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
@@ -216,27 +261,109 @@ XBT_PUBLIC(MSG_error_t)
                              double timeout);
 
 /************************** Action handling **********************************/
-typedef void (*msg_action_fun) (xbt_dynar_t args);
-XBT_PUBLIC(void) MSG_action_register(const char *action_name,
-                                     msg_action_fun function);
-XBT_PUBLIC(void) MSG_action_unregister(const char *action_name);
 MSG_error_t MSG_action_trace_run(char *path);
 
-
 #ifdef MSG_USE_DEPRECATED
+#define MSG_global_init(argc, argv)      MSG_init(argc,argv)
+#define MSG_global_init_args(argc, argv) MSG_init(argc,argv)
+
 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
+XBT_PUBLIC(int) MSG_get_host_number(void);
+XBT_PUBLIC(m_host_t *) MSG_get_host_table(void);
+
 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
+#define MSG_TASK_CANCELLED MSG_TASK_CANCELED
 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
         MSG_mailbox_put_with_timeout(mailbox, task, timeout)
 
+#define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
+XBT_PUBLIC(MSG_error_t) MSG_get_errno(void);
+
+XBT_PUBLIC(MSG_error_t) MSG_task_get(m_task_t * task, m_channel_t channel);
+XBT_PUBLIC(MSG_error_t) MSG_task_get_with_timeout(m_task_t * task,
+                                                  m_channel_t channel,
+                                                  double max_duration);
+XBT_PUBLIC(MSG_error_t) MSG_task_get_from_host(m_task_t * task,
+                                               int channel, m_host_t host);
+XBT_PUBLIC(MSG_error_t) MSG_task_get_ext(m_task_t * task, int channel,
+                                         double max_duration,
+                                         m_host_t host);
+XBT_PUBLIC(MSG_error_t) MSG_task_put(m_task_t task, m_host_t dest,
+                                     m_channel_t channel);
+XBT_PUBLIC(MSG_error_t) MSG_task_put_bounded(m_task_t task,
+                                             m_host_t dest,
+                                             m_channel_t channel,
+                                             double max_rate);
+XBT_PUBLIC(MSG_error_t) MSG_task_put_with_timeout(m_task_t task,
+                                                  m_host_t dest,
+                                                  m_channel_t channel,
+                                                  double max_duration);
+XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
+XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
+XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, m_host_t host);
+
+XBT_PUBLIC(MSG_error_t) MSG_set_channel_number(int number);
+XBT_PUBLIC(int) MSG_get_channel_number(void);
 #endif
 
 #include "instr/instr.h"
 
-/* Used only by the bindings */
-#include "simix/simix.h"
-XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(m_process_t process);
+/** @brief Opaque type describing a Virtual Machine.
+ *  @ingroup msg_VMs
+ *
+ * All this is highly experimental and the interface will probably change in the future.
+ * Please don't depend on this yet (although testing is welcomed if you feel so).
+ * Usual lack of guaranty of any kind applies here, and is even increased.
+ *
+ */
+typedef struct msg_vm *msg_vm_t;
+/* This function should not be called directly, but rather from MSG_vm_start_from_template that does not exist yet*/
+XBT_PUBLIC(msg_vm_t) MSG_vm_start(m_host_t location, int coreAmount);
+
+XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
+XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
+
+XBT_PUBLIC(void) MSG_vm_bind(msg_vm_t vm, msg_process_t process);
+XBT_PUBLIC(void) MSG_vm_unbind(msg_vm_t vm, msg_process_t process); // simple wrapper over process_kill
+
+XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, m_host_t destination);
+
+XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
+  // \forall p in VM, MSG_process_suspend(p) // Freeze the processes
+
+XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm);  // Simulate the fact of reading the processes from disk and resuming them
+  // \forall p in VM, MSG_process_resume(p) // unfreeze them
+
+XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm); // killall
+
+XBT_PUBLIC(void) MSG_vm_destroy(msg_vm_t vm);
+
+XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
+
+/*
+void* MSG_process_get_property(msg_process_t, char* key)
+void MSG_process_set_property(msg_process_t, char* key, void* data)
+void MSG_vm_set_property(msg_vm_t, char* key, void* data)
+
+void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
+void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
+  // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
+  //                              <100 si c'est pas CPU intensive)
+  // Contraintes à poser:
+  //   HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
+  //   VM_coreAmount >= Load de toutes les tasks
+*/
+
+  /*
+xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
+xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
++ des fonctions de filtrage sur les dynar
+*/
+
 
+/* ****************************************************************************************** */
+/* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
+XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(msg_process_t process);
 
 SG_END_DECL()
 #endif