Export the mailbox functions.

[simgrid.git] / src / msg / host.c

diff --git a/src/msg/host.c b/src/msg/host.c
index f11ea22..9866873 100644 (file)
--- a/src/msg/host.c
+++ b/src/msg/host.c
@@ -10,6 +10,7 @@
 #include "msg/private.h"
 #include "xbt/sysdep.h"
 #include "xbt/log.h"
+#include "msg_mailbox.h"
 
 /** \defgroup m_host_management Management functions of Hosts
  *  \brief This section describes the host structure of MSG
@@ -30,31 +31,44 @@
 /********************************* Host **************************************/
 m_host_t __MSG_host_create(smx_host_t workstation, void *data)
 {
-  const char *name;
-  simdata_host_t simdata = xbt_new0(s_simdata_host_t, 1);
-  m_host_t host = xbt_new0(s_m_host_t, 1);
-  int i;
-
-  name = SIMIX_host_get_name(workstation);
-  /* Host structure */
-  host->name = xbt_strdup(name);
-  host->simdata = simdata;
-  host->data = data;
-
-  simdata->smx_host = workstation;
-
-  simdata->mbox = xbt_new0(xbt_fifo_t, msg_global->max_channel);
-  for (i = 0; i < msg_global->max_channel; i++)
-    simdata->mbox[i] = xbt_fifo_new();
-
-  simdata->sleeping = xbt_new0(smx_cond_t, msg_global->max_channel);
-  simdata->mutex = SIMIX_mutex_init();
-  SIMIX_host_set_data(workstation, host);
-
-  /* Update global variables */
-  xbt_fifo_unshift(msg_global->host, host);
-
-  return host;
+       const char *name;
+       simdata_host_t simdata = xbt_new0(s_simdata_host_t, 1);
+       m_host_t host = xbt_new0(s_m_host_t, 1);
+       int i;
+       
+       char alias[MAX_ALIAS_NAME +1] = {0}; /* buffer used to build the key of the mailbox */
+       msg_mailbox_t mailbox;
+       
+       name = SIMIX_host_get_name(workstation);
+       /* Host structure */
+       host->name = xbt_strdup(name);
+       host->simdata = simdata;
+       host->data = data;
+       
+       simdata->smx_host = workstation;
+       
+       simdata->mbox = xbt_new0(xbt_fifo_t, msg_global->max_channel);
+       
+       for (i = 0; i < msg_global->max_channel; i++)
+       {
+               sprintf(alias,"%s:%d",name,i);
+               
+               /* the key of the mailbox (in this case) is build from the name of the host and the channel number */
+               mailbox = MSG_mailbox_new(alias);
+               MSG_mailbox_set_hostname(mailbox,name);
+               memset(alias,0,MAX_ALIAS_NAME +1);
+               
+               simdata->mbox[i] = xbt_fifo_new();
+       }
+       
+       simdata->sleeping = xbt_new0(smx_cond_t, msg_global->max_channel);
+       simdata->mutex = SIMIX_mutex_init();
+       SIMIX_host_set_data(workstation, host);
+       
+       /* Update global variables */
+       xbt_fifo_unshift(msg_global->host, host);
+       
+       return host;
 }
 
 /** \ingroup m_host_management
@@ -126,6 +140,7 @@ void __MSG_host_destroy(m_host_t host)
 {
   simdata_host_t simdata = NULL;
   int i = 0;
+  char alias[MAX_ALIAS_NAME +1] = {0}; /* buffer used to build the key of the mailbox */
 
   xbt_assert0((host != NULL), "Invalid parameters");
 
@@ -134,7 +149,14 @@ void __MSG_host_destroy(m_host_t host)
   simdata = (host)->simdata;
 
   for (i = 0; i < msg_global->max_channel; i++)
+  {
+       sprintf(alias,"%s:%d",host->name,i);
+       xbt_dict_remove(MSG_get_mailboxes(),alias);
+       memset(alias,0,MAX_ALIAS_NAME +1);
+       
     xbt_fifo_free(simdata->mbox[i]);
+  }
+
   free(simdata->mbox);
   free(simdata->sleeping);
   SIMIX_mutex_destroy(simdata->mutex);
@@ -186,6 +208,32 @@ double MSG_get_host_speed(m_host_t h)
   return (SIMIX_host_get_speed(h->simdata->smx_host));
 }
 
+/** \ingroup m_host_management
+ * \brief Returns the value of a given host property
+ *
+ * \param host a host
+ * \param name a property name
+ * \return value of a property (or NULL if property not set)
+ */
+const char* MSG_host_get_property_value(m_host_t host, const char* name)
+{
+  return xbt_dict_get_or_null(MSG_host_get_properties(host), name);
+}
+
+/** \ingroup m_host_management
+ * \brief Returns a xbt_dynar_t consisting of the list of properties assigned to this host
+ *
+ * \param host a host
+ * \return a dict containing the properties
+ */
+xbt_dict_t MSG_host_get_properties(m_host_t host)
+{
+  xbt_assert0((host != NULL), "Invalid parameters");
+
+  return (SIMIX_host_get_properties(host->simdata->smx_host));
+}
+
+
 /** \ingroup msg_gos_functions
  * \brief Determine if a host is available.
  *