-#include "msg_mailbox.h"\r
-#include "msg/private.h"\r
-\r
-static xbt_dict_t \r
-msg_mailboxes = NULL;\r
-\r
-xbt_dict_t\r
-MSG_get_mailboxes(void)\r
-{\r
- return msg_mailboxes;\r
-}\r
-\r
-void\r
-MSG_mailbox_mod_init(void)\r
-{\r
- msg_mailboxes = xbt_dict_new(); \r
-}\r
-\r
-void\r
-MSG_mailbox_mod_exit(void)\r
-{\r
- xbt_dict_free(&msg_mailboxes);\r
-}\r
-\r
-msg_mailbox_t\r
-MSG_mailbox_new(const char *alias)\r
-{\r
- msg_mailbox_t mailbox = xbt_new0(s_msg_mailbox_t,1);\r
- \r
- mailbox->tasks = xbt_fifo_new();\r
- mailbox->cond = NULL;\r
- mailbox->alias = xbt_strdup(alias);\r
- mailbox->hostname = NULL;\r
- \r
- /* add the mbox in the dictionary */\r
- xbt_dict_set(msg_mailboxes, alias, mailbox, MSG_mailbox_free);\r
- \r
- return mailbox;\r
-}\r
-\r
-void\r
-MSG_mailbox_destroy(msg_mailbox_t* mailbox)\r
-{\r
- xbt_dict_remove(msg_mailboxes,(*mailbox)->alias);\r
-\r
- if(NULL != ((*mailbox)->hostname))\r
- free((*mailbox)->hostname);\r
-\r
- \r
- free((*mailbox)->alias);\r
- \r
- free(*mailbox);\r
- \r
- *mailbox = NULL; \r
-}\r
-\r
-void\r
-MSG_mailbox_put(msg_mailbox_t mailbox, m_task_t task)\r
-{\r
- xbt_fifo_push(mailbox->tasks, task);\r
-}\r
-\r
-smx_cond_t\r
-MSG_mailbox_get_cond(msg_mailbox_t mailbox)\r
-{\r
- return mailbox->cond;\r
-}\r
-\r
-void\r
-MSG_mailbox_remove(msg_mailbox_t mailbox, m_task_t task)\r
-{\r
- xbt_fifo_remove(mailbox->tasks,task);\r
-}\r
-\r
-int\r
-MSG_mailbox_is_empty(msg_mailbox_t mailbox)\r
-{\r
- return (NULL == xbt_fifo_get_first_item(mailbox->tasks));\r
-}\r
-\r
-m_task_t\r
-MSG_mailbox_pop_head(msg_mailbox_t mailbox)\r
-{\r
- return (m_task_t)xbt_fifo_shift(mailbox->tasks);\r
-}\r
-\r
-m_task_t\r
-MSG_mailbox_get_head(msg_mailbox_t mailbox)\r
-{\r
- xbt_fifo_item_t item;\r
- \r
- if(NULL == (item = xbt_fifo_get_first_item(mailbox->tasks)))\r
- return NULL;\r
- \r
- return (m_task_t)xbt_fifo_get_item_content(item);\r
-}\r
-\r
-m_task_t\r
-MSG_mailbox_get_first_host_task(msg_mailbox_t mailbox, m_host_t host)\r
-{\r
- m_task_t task = NULL;\r
- xbt_fifo_item_t item = NULL;\r
- \r
- xbt_fifo_foreach(mailbox->tasks, item, task, m_task_t) \r
- {\r
- if (task->simdata->source == host)\r
- break;\r
- }\r
- \r
- if(item) \r
- xbt_fifo_remove_item(mailbox->tasks, item);\r
- \r
- return task;\r
-}\r
-\r
-int\r
-MSG_mailbox_get_count_host_tasks(msg_mailbox_t mailbox, m_host_t host)\r
-{\r
- m_task_t task = NULL;\r
- xbt_fifo_item_t item = NULL;\r
- int count = 0;\r
- \r
- xbt_fifo_foreach(mailbox->tasks, item, task, m_task_t) \r
- {\r
- if (task->simdata->source == host)\r
- count++;\r
- }\r
- \r
- return count;\r
-}\r
-\r
-void\r
-MSG_mailbox_set_cond(msg_mailbox_t mailbox, smx_cond_t cond)\r
-{\r
- mailbox->cond = cond;\r
-}\r
-\r
-const char*\r
-MSG_mailbox_get_alias(msg_mailbox_t mailbox)\r
-{\r
- return mailbox->alias;\r
-}\r
-\r
-const char*\r
-MSG_mailbox_get_hostname(msg_mailbox_t mailbox)\r
-{\r
- return mailbox->hostname;\r
-}\r
-\r
-void\r
-MSG_mailbox_set_hostname(msg_mailbox_t mailbox, const char* hostname)\r
-{\r
- mailbox->hostname = xbt_strdup(hostname);\r
-}\r
-\r
-void\r
-MSG_mailbox_free(void* mailbox)\r
-{\r
- msg_mailbox_t __mailbox = (msg_mailbox_t)mailbox;\r
-\r
- if(NULL != (__mailbox->hostname))\r
- free(__mailbox->hostname);\r
-\r
- free(__mailbox->alias);\r
- \r
- free(__mailbox);\r
-}\r
-\r
-msg_mailbox_t\r
-MSG_mailbox_get_by_alias(const char* alias)\r
-{\r
-\r
- msg_mailbox_t mailbox = xbt_dict_get_or_null(msg_mailboxes,alias);\r
- \r
- if(!mailbox)\r
- {\r
- mailbox = MSG_mailbox_new(alias);\r
- MSG_mailbox_set_hostname(mailbox,MSG_host_self()->name);\r
- }\r
- \r
- return mailbox; \r
-}\r
+/* Mailboxes in MSG */
+
+/* Copyright (c) 2008, 2009, 2010. 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 "mailbox.h"
+#include "msg/private.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_mailbox, msg,
+ "Logging specific to MSG (mailbox)");
+
+msg_mailbox_t MSG_mailbox_new(const char *alias)
+{
+ return SIMIX_req_rdv_create(alias);
+}
+
+void MSG_mailbox_free(void *mailbox)
+{
+ SIMIX_req_rdv_destroy((msg_mailbox_t)mailbox);
+}
+
+int MSG_mailbox_is_empty(msg_mailbox_t mailbox)
+{
+ return (NULL == SIMIX_req_rdv_get_head(mailbox));
+}
+
+m_task_t MSG_mailbox_get_head(msg_mailbox_t mailbox)
+{
+ smx_action_t comm = SIMIX_req_rdv_get_head(mailbox);
+
+ if (!comm)
+ return NULL;
+
+ return (m_task_t) SIMIX_req_comm_get_src_data(comm);
+}
+
+int
+MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox,
+ m_host_t host)
+{
+ return SIMIX_req_rdv_comm_count_by_host(mailbox,
+ host->simdata->smx_host);
+}
+
+msg_mailbox_t MSG_mailbox_get_by_alias(const char *alias)
+{
+
+ msg_mailbox_t mailbox = SIMIX_req_rdv_get_by_name(alias);
+
+ if (!mailbox)
+ mailbox = MSG_mailbox_new(alias);
+
+ return mailbox;
+}
+
+msg_mailbox_t MSG_mailbox_get_by_channel(m_host_t host,
+ m_channel_t channel)
+{
+ xbt_assert0((host != NULL), "Invalid host");
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
+
+ return host->simdata->mailboxes[(size_t) channel];
+}
+
+MSG_error_t
+MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
+ m_host_t host, double timeout)
+{
+ xbt_ex_t e;
+ MSG_error_t ret = MSG_OK;
+ smx_action_t comm = NULL;
+#ifdef HAVE_TRACING
+ double start_time = 0;
+#endif
+ /* We no longer support getting a task from a specific host */
+ if (host)
+ THROW_UNIMPLEMENTED;
+
+ CHECK_HOST();
+#ifdef HAVE_TRACING
+ TRACE_msg_task_get_start();
+ start_time = MSG_get_clock();
+#endif
+
+ /* Sanity check */
+ xbt_assert0(task, "Null pointer for the task storage");
+
+ if (*task)
+ CRITICAL0
+ ("MSG_task_get() was asked to write in a non empty task struct.");
+
+ /* Try to receive it by calling SIMIX network layer */
+ TRY {
+ comm = SIMIX_req_comm_irecv(mailbox, task, NULL, NULL, NULL);
+ SIMIX_req_comm_wait(comm, timeout);
+ (*task)->simdata->comm = comm;
+ SIMIX_req_comm_destroy(comm);
+ DEBUG2("Got task %s from %p",(*task)->name,mailbox);
+ (*task)->simdata->isused=0;
+ }
+ CATCH(e) {
+ switch (e.category) {
+ case host_error:
+ ret = MSG_HOST_FAILURE;
+ break;
+ case network_error:
+ ret = MSG_TRANSFER_FAILURE;
+ break;
+ case timeout_error:
+ ret = MSG_TIMEOUT;
+ break;
+ default:
+ xbt_backtrace_display(&e);
+ xbt_die(bprintf("Unhandled SIMIX network exception: %s", e.msg));
+ }
+ xbt_ex_free(e);
+ }
+
+ if (ret != MSG_HOST_FAILURE &&
+ ret != MSG_TRANSFER_FAILURE && ret != MSG_TIMEOUT) {
+#ifdef HAVE_TRACING
+ TRACE_msg_task_get_end(start_time, *task);
+#endif
+ }
+ MSG_RETURN(ret);
+}
+
+MSG_error_t
+MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
+ double timeout)
+{
+ xbt_ex_t e;
+ MSG_error_t ret = MSG_OK;
+ simdata_task_t t_simdata = NULL;
+ m_process_t process = MSG_process_self();
+ smx_action_t comm;
+#ifdef HAVE_TRACING
+ int call_end = 0;
+#endif
+ CHECK_HOST();
+
+#ifdef HAVE_TRACING
+ call_end = TRACE_msg_task_put_start(task); //must be after CHECK_HOST()
+#endif
+
+
+ /* Prepare the task to send */
+ t_simdata = task->simdata;
+ t_simdata->sender = process;
+ t_simdata->source = MSG_host_self();
+
+ xbt_assert0(t_simdata->isused == 0,
+ "This task is still being used somewhere else. You cannot send it now. Go fix your code!");
+
+ t_simdata->isused=1;
+ msg_global->sent_msg++;
+
+ process->simdata->waiting_task = task;
+
+ /* Try to send it by calling SIMIX network layer */
+ TRY {
+ comm = SIMIX_req_comm_isend(mailbox, t_simdata->message_size,
+ t_simdata->rate, task, sizeof(void *), NULL, NULL);
+ t_simdata->comm = comm;
+#ifdef HAVE_TRACING
+ SIMIX_req_set_category(comm, task->category);
+#endif
+ SIMIX_req_comm_wait(comm, timeout);
+ SIMIX_req_comm_destroy(comm);
+ }
+
+ CATCH(e) {
+ switch (e.category) {
+ case host_error:
+ ret = MSG_HOST_FAILURE;
+ break;
+ case network_error:
+ ret = MSG_TRANSFER_FAILURE;
+ break;
+ case timeout_error:
+ ret = MSG_TIMEOUT;
+ break;
+ default:
+ xbt_die(bprintf("Unhandled SIMIX network exception: %s", e.msg));
+ }
+ xbt_ex_free(e);
+
+ /* If the send failed, it is not used anymore */
+ t_simdata->isused=0;
+ }
+
+ process->simdata->waiting_task = NULL;
+#ifdef HAVE_TRACING
+ if (call_end)
+ TRACE_msg_task_put_end();
+#endif
+ MSG_RETURN(ret);
+}
