/** * Bittorrent example launcher */ int main(int argc, char *argv[]) { xbt_dynar_t host_list; msg_host_t host; unsigned i; MSG_init(&argc, argv); /* Check the arguments */ if (argc < 3) { printf("Usage: %s platform_file deployment_file \n", argv[0]); return -1; } const char *platform_file = argv[1]; const char *deployment_file = argv[2]; MSG_create_environment(platform_file); host_list = MSG_hosts_as_dynar(); xbt_dynar_foreach(host_list, i, host) { char descr[512]; RngStream stream; snprintf(descr, sizeof descr, "RngSream<%s>", MSG_host_get_name(host)); stream = RngStream_CreateStream(descr); MSG_host_set_data(host, stream); }
JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Host_getByName(JNIEnv * env, jclass cls, jstring jname) { msg_host_t host; /* native host */ jobject jhost; /* global reference to the java host instance returned */ /* get the C string from the java string */ const char *name = (*env)->GetStringUTFChars(env, jname, 0); if (name == NULL) { jxbt_throw_null(env,bprintf("No host can have a null name")); return NULL; } /* get the host by name (the hosts are created during the grid resolution) */ host = MSG_get_host_by_name(name); if (!host) { /* invalid name */ jxbt_throw_host_not_found(env, name); (*env)->ReleaseStringUTFChars(env, jname, name); return NULL; } (*env)->ReleaseStringUTFChars(env, jname, name); if (!MSG_host_get_data(host)) { /* native host not associated yet with java host */ /* Instantiate a new java host */ jhost = jhost_new_instance(env); if (!jhost) { jxbt_throw_jni(env, "java host instantiation failed"); return NULL; } /* get a global reference to the newly created host */ jhost = jhost_ref(env, jhost); if (!jhost) { jxbt_throw_jni(env, "new global ref allocation failed"); return NULL; } /* Sets the java host name */ (*env)->SetObjectField(env, jhost, jhost_field_Host_name, jname); /* bind the java host and the native host */ jhost_bind(jhost, host, env); /* the native host data field is set with the global reference to the * java host returned by this function */ MSG_host_set_data(host, (void *) jhost); } /* return the global reference to the java host instance */ return (jobject) MSG_host_get_data(host); }
xbt_dynar_foreach (process_list, cursor, process) { process_name = MSG_process_get_name (process); host = MSG_process_get_host (process); if ( strcmp (process_name, "worker") == 0 ) { config.workers[wid] = host; /* Set the worker ID as its data. */ wi = xbt_new (struct w_info_s, 1); wi->wid = wid; MSG_host_set_data (host, (void*)wi); /* Add the worker's cpu power to the grid total. */ config.grid_cpu_power += MSG_get_host_speed (host); wid++; }
/** Bittorrent example launcher */ int main(int argc, char* argv[]) { msg_host_t host; unsigned i; MSG_init(&argc, argv); /* Check the arguments */ xbt_assert(argc > 2, "Usage: %s platform_file deployment_file", argv[0]); MSG_create_environment(argv[1]); xbt_dynar_t host_list = MSG_hosts_as_dynar(); xbt_dynar_foreach (host_list, i, host) { char descr[512]; snprintf(descr, sizeof descr, "RngSream<%s>", MSG_host_get_name(host)); RngStream stream = RngStream_CreateStream(descr); MSG_host_set_data(host, stream); }
JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Host_currentHost(JNIEnv * env, jclass cls) { jobject jhost; msg_host_t host = MSG_host_self(); if (!MSG_host_get_data(host)) { /* the native host not yet associated with the java host instance */ /* instanciate a new java host instance */ jhost = jhost_new_instance(env); if (!jhost) { jxbt_throw_jni(env, "java host instantiation failed"); return NULL; } /* get a global reference to the newly created host */ jhost = jhost_ref(env, jhost); if (!jhost) { jxbt_throw_jni(env, "global ref allocation failed"); return NULL; } /* Sets the host name */ const char *name = MSG_host_get_name(host); jobject jname = (*env)->NewStringUTF(env,name); (*env)->SetObjectField(env, jhost, jhost_field_Host_name, jname); /* Bind & store it */ jhost_bind(jhost, host, env); MSG_host_set_data(host, (void *) jhost); } else { jhost = (jobject) MSG_host_get_data(host); } return jhost; }
xbt_dynar_foreach (host_list, i, host) { RngStream stream = (RngStream)MSG_host_get_data(host); RngStream_DeleteStream(&stream); MSG_host_set_data(host, NULL); }