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cosmetics
[simgrid.git] / src / jmsg.c
index 61d916b..b268837 100644 (file)
@@ -7,7 +7,7 @@
   * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include <msg/msg.h>
-#include <simix/context.h>
+#include <simgrid/simix.h>
 #include <surf/surfxml_parse.h>
 
 #include "smx_context_java.h"
@@ -61,18 +61,21 @@ static jobject native_to_java_process(m_process_t process)
 JNIEXPORT void JNICALL
 Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
                                          jobject jprocess_arg,
-                                         jobject jhost)
+                                         jobject jhostname)
 {
      
    
   jobject jprocess;             /* the global reference to the java process instance    */
   jstring jname;                /* the name of the java process instance                */
   const char *name;             /* the C name of the process                            */
+  const char *hostname;
   m_process_t process;          /* the native process to create                         */
   m_host_t host;                /* Where that process lives */
    
-  XBT_DEBUG("Java_org_simgrid_msg_MsgNative_processCreate(env=%p,cls=%p,jproc=%p,jhost=%p)",
-        env, cls, jprocess_arg, jhost);
+  hostname = (*env)->GetStringUTFChars(env, jhostname, 0);
+
+  XBT_DEBUG("Java_org_simgrid_msg_MsgNative_processCreate(env=%p,cls=%p,jproc=%p,host=%s)",
+        env, cls, jprocess_arg, hostname);
    
    
   /* get the name of the java process */
@@ -84,10 +87,10 @@ Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
   }
 
   /* bind/retrieve the msg host */
-  host = jhost_get_native(env, jhost);
+  host = MSG_get_host_by_name(hostname);
 
   if (!(host)) {    /* not binded */
-    jxbt_throw_notbound(env, "host", jhost);
+    jxbt_throw_host_not_found(env, hostname);
     return;
   }
 
@@ -107,6 +110,7 @@ Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
                                                (xbt_main_func_t) jprocess,
                                                /*data*/ NULL,
                                                host,
+                                               /* kill_time */-1,
                                                /*argc, argv, properties*/
                                                0,NULL,NULL);
      
@@ -115,6 +119,7 @@ Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
   /* release our reference to the process name (variable name becomes invalid) */
   //FIXME : This line should be uncommented but with mac it doesn't work. BIG WARNING
   //(*env)->ReleaseStringUTFChars(env, jname, name);
+  (*env)->ReleaseStringUTFChars(env, jhostname, hostname);
    
   /* bind the java process instance to the native process */
   jprocess_bind(jprocess, process, env);
@@ -140,6 +145,22 @@ Java_org_simgrid_msg_MsgNative_processSuspend(JNIEnv * env, jclass cls,
 
 }
 
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_Process_simulatedSleep(JNIEnv * env, jobject jprocess,
+                                           jdouble jseconds) {
+         m_process_t process = jprocess_to_native_process(jprocess, env);
+
+         if (!process) {
+           jxbt_throw_notbound(env, "process", jprocess);
+           return;
+         }
+         MSG_error_t rv = MSG_process_sleep((double)jseconds);
+
+         jxbt_check_res("MSG_process_sleep()", rv, MSG_OK,
+                        bprintf("unexpected error , please report this bug"));
+}
+
+
 JNIEXPORT void JNICALL
 Java_org_simgrid_msg_MsgNative_processResume(JNIEnv * env, jclass cls,
                                          jobject jprocess)
@@ -205,14 +226,16 @@ Java_org_simgrid_msg_MsgNative_processGetHost(JNIEnv * env, jclass cls,
   }
 
   host = MSG_process_get_host(process);
+  jobject res = (jobject)MSG_host_get_data(host);
 
-  if (!MSG_host_get_data(host)) {
-    jxbt_throw_jni(env, "MSG_process_get_host() failed");
-    return NULL;
+  if (!res) {
+         XBT_INFO("Binding error for host %s ",MSG_host_get_name(host));
+         jxbt_throw_jni(env, bprintf("Binding error for host %s ",MSG_host_get_name(host)));
+         return NULL;
   }
 
   /* return the global reference to the java host instance */
-  return (jobject) MSG_host_get_data(host);
+  return res;
 
 }
 
@@ -338,7 +361,7 @@ Java_org_simgrid_msg_MsgNative_hostGetByName(JNIEnv * env, jclass cls,
   XBT_DEBUG("Looking for host '%s'",name);
   /* get the host by name       (the hosts are created during the grid resolution) */
   host = MSG_get_host_by_name(name);
-  XBT_DEBUG("MSG gave %p as native host (simdata=%p)", host,host? host->simdata:NULL);
+  XBT_DEBUG("MSG gave %p as native host", host);
 
   if (!host) {                  /* invalid name */
     jxbt_throw_host_not_found(env, name);
@@ -383,13 +406,18 @@ Java_org_simgrid_msg_MsgNative_hostGetName(JNIEnv * env, jclass cls,
                                        jobject jhost)
 {
   m_host_t host = jhost_get_native(env, jhost);
+  const char* name;
 
   if (!host) {
     jxbt_throw_notbound(env, "host", jhost);
     return NULL;
   }
 
-  return (*env)->NewStringUTF(env, MSG_host_get_name(host));
+  name = MSG_host_get_name(host);
+  if (!name)
+         xbt_die("This host has no name...");
+
+  return (*env)->NewStringUTF(env, name);
 }
 
 JNIEXPORT jint JNICALL
@@ -833,7 +861,7 @@ JNIEXPORT void JNICALL
   /* Cleanup java hosts */
   hosts = MSG_hosts_as_dynar();
   for (index = 0; index < xbt_dynar_length(hosts) - 1; index++) {
-    jhost = (jobject) xbt_dynar_get_as(hosts,index,m_host_t)->data;
+    jhost = (jobject) MSG_host_get_data(xbt_dynar_get_as(hosts,index,m_host_t));
     if (jhost)
       jhost_unref(env, jhost);
 
@@ -967,6 +995,41 @@ Java_org_simgrid_msg_MsgNative_taskSend(JNIEnv * env, jclass cls,
                          MSG_task_get_name(task), alias));
 }
 
+static void msg_task_cancel_on_failed_dsend(void*t) {
+       m_task_t task = t;
+       JNIEnv *env =get_current_thread_env();
+       jobject jtask_global = MSG_task_get_data(task);
+
+       /* Destroy the global ref so that the JVM can free the stuff */
+       (*env)->DeleteGlobalRef(env, jtask_global);
+       MSG_task_set_data(task, NULL);
+       MSG_task_destroy(task);
+}
+
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_MsgNative_taskDSend(JNIEnv * env, jclass cls,
+                                    jstring jalias, jobject jtask)
+{
+
+  const char *alias = (*env)->GetStringUTFChars(env, jalias, 0);
+
+  m_task_t task = jtask_to_native_task(jtask, env);
+
+
+  if (!task) {
+    (*env)->ReleaseStringUTFChars(env, jalias, alias);
+    jxbt_throw_notbound(env, "task", jtask);
+    return;
+  }
+
+  /* Pass a global ref to the Jtask into the Ctask so that the receiver can use it */
+  MSG_task_set_data(task, (void *) (*env)->NewGlobalRef(env, jtask));
+  MSG_task_dsend(task, alias, msg_task_cancel_on_failed_dsend);
+
+  (*env)->ReleaseStringUTFChars(env, jalias, alias);
+}
+
+
 JNIEXPORT void JNICALL
 Java_org_simgrid_msg_MsgNative_taskSendBounded(JNIEnv * env, jclass cls,
                                            jstring jalias, jobject jtask,
@@ -1020,6 +1083,22 @@ Java_org_simgrid_msg_MsgNative_taskReceive(JNIEnv * env, jclass cls,
   alias = (*env)->GetStringUTFChars(env, jalias, 0);
 
   rv = MSG_task_receive_ext(&task, alias, (double) jtimeout, host);
+  if (rv != MSG_OK) {
+       switch (rv) {
+               case MSG_TIMEOUT:
+                       jxbt_throw_time_out_failure(env,NULL);
+               break;
+               case MSG_TRANSFER_FAILURE:
+                       jxbt_throw_transfer_failure(env,NULL);
+               break;
+               case MSG_HOST_FAILURE:
+                       jxbt_throw_host_failure(env,NULL);
+               break;
+               default:
+                       jxbt_throw_native(env,bprintf("receive failed"));
+       }
+       return NULL;
+  }
   jtask_global = MSG_task_get_data(task);
 
   /* Convert the global ref into a local ref so that the JVM can free the stuff */