/**
* 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);
}
