#include <msg/msg.h>
#include <simgrid/simix.h>
#include <surf/surfxml_parse.h>
-
+#include <locale.h>
#include "smx_context_java.h"
+#include "smx_context_cojava.h"
#include "jmsg_process.h"
#include "jmsg_host.h"
#include "jmsg_task.h"
-#include "jmsg_application_handler.h"
#include "jxbt_utilities.h"
#include "jmsg.h"
#endif
/* end of eclipse-mandated pimple */
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
+static int create_jprocess(int argc, char *argv[]);
-static JavaVM *__java_vm = NULL;
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
+JavaVM *__java_vm = NULL;
JavaVM *get_java_VM(void)
{
JNIEnv *env;
(*__java_vm)->AttachCurrentThread(__java_vm, (void **) &env, NULL);
-
return env;
}
-/*
- * The MSG process connected functions implementation.
- */
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processCreate(JNIEnv * env, jclass cls,
- jobject jprocess_arg,
- 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 */
-
- 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 */
- jname = jprocess_get_name(jprocess_arg, env);
- if (!jname) {
- jxbt_throw_null(env,
- xbt_strdup("Internal error: Process name cannot be NULL"));
- return;
- }
-
- /* bind/retrieve the msg host */
- host = MSG_get_host_by_name(hostname);
-
- if (!(host)) { /* not binded */
- jxbt_throw_host_not_found(env, hostname);
- return;
- }
-
- /* create a global java process instance */
- jprocess = jprocess_new_global_ref(jprocess_arg, env);
- if (!jprocess) {
- jxbt_throw_jni(env, "Can't get a global ref to the java process");
- return;
- }
-
- /* build the C name of the process */
- name = (*env)->GetStringUTFChars(env, jname, 0);
- name = xbt_strdup(name);
-
- /* Actually build the MSG process */
- process = MSG_process_create_with_environment(name,
- (xbt_main_func_t) jprocess,
- /*data*/ NULL,
- host,
- /* kill_time */-1,
- /*argc, argv, properties*/
- 0,NULL,NULL);
-
- MSG_process_set_data(process,&process);
-
- /* 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);
-
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processSuspend(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* try to suspend the process */
- MSG_error_t rv = MSG_process_suspend(process);
-
- jxbt_check_res("MSG_process_suspend()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-
-}
-
-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)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* try to resume the process */
- MSG_error_t rv = MSG_process_resume(process);
-
- jxbt_check_res("MSG_process_resume()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-}
-
-JNIEXPORT jboolean JNICALL
-Java_org_simgrid_msg_MsgNative_processIsSuspended(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return 0;
- }
-
- /* true is the process is suspended, false otherwise */
- return (jboolean) MSG_process_is_suspended(process);
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processKill(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- /* get the native instances from the java ones */
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- /* kill the native process (this wrapper is call by the destructor of the java
- * process instance)
- */
- MSG_process_kill(process);
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_processGetHost(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- /* get the native instances from the java ones */
- m_process_t process = jprocess_to_native_process(jprocess, env);
- m_host_t host;
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return NULL;
- }
-
- host = MSG_process_get_host(process);
- jobject res = (jobject)MSG_host_get_data(host);
-
- 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 res;
-
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_processFromPID(JNIEnv * env, jclass cls,
- jint PID)
-{
- m_process_t process = MSG_process_from_PID(PID);
-
- if (!process) {
- jxbt_throw_process_not_found(env, bprintf("PID = %d",(int) PID));
- return NULL;
- }
-
- if (!native_to_java_process(process)) {
- jxbt_throw_jni(env, "SIMIX_process_get_jprocess() failed");
- return NULL;
- }
-
- return (jobject) (native_to_java_process(process));
-}
-
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_processGetPID(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return 0;
- }
-
- return (jint) MSG_process_get_PID(process);
-}
-
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_processGetPPID(JNIEnv * env, jclass cls,
- jobject jprocess)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return 0;
- }
-
- return (jint) MSG_process_get_PPID(process);
-}
-
-JNIEXPORT jobject JNICALL
-Java_org_simgrid_msg_MsgNative_processSelf(JNIEnv * env, jclass cls)
-{
- m_process_t process = MSG_process_self();
- jobject jprocess;
-
- if (!process) {
- jxbt_throw_jni(env, xbt_strdup("MSG_process_self() failed"));
- return NULL;
- }
-
- jprocess = native_to_java_process(process);
-
- if (!jprocess)
- jxbt_throw_jni(env, xbt_strdup("SIMIX_process_get_jprocess() failed"));
-
- return jprocess;
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processMigrate(JNIEnv * env, jclass cls,
- jobject jprocess, jobject jhost)
-{
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- m_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return;
- }
-
- /* try to change the host of the process */
- MSG_error_t rv = MSG_process_migrate(process, host);
- jxbt_check_res("MSG_process_migrate()", rv, MSG_OK,
- bprintf("unexpected error , please report this bug"));
-
-}
-
-JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processWaitFor(JNIEnv * env, jclass cls,
- jdouble seconds)
-{
- MSG_error_t rv = MSG_process_sleep((double) seconds);
-
- jxbt_check_res("MSG_process_sleep()", rv, MSG_HOST_FAILURE,
- bprintf("while process was waiting for %f seconds",
- (double) seconds));
-
-}
-
-
-/***************************************************************************************
- * The MSG host connected functions implementation. *
- ***************************************************************************************/
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_hostGetLoad(JNIEnv * env, jclass cls,
- jobject jhost)
-{
- m_host_t host = jhost_get_native(env, jhost);
-
- if (!host) {
- jxbt_throw_notbound(env, "host", jhost);
- return -1;
- }
-
- return (jint) MSG_get_host_msgload(host);
+void jmsg_throw_status(JNIEnv *env, MSG_error_t status) {
+ switch (status) {
+ 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("communication failed"));
+ }
}
jstring jval;
const char *tmp;
- smx_factory_initializer_to_use = SIMIX_ctx_java_factory_init;
+ (*env)->GetJavaVM(env, &__java_vm);
+
+ if ((*env)->FindClass(env, "java/dyn/Coroutine")) {
+ XBT_VERB("Using Coroutines");
+ smx_factory_initializer_to_use = SIMIX_ctx_cojava_factory_init;
+ }
+ else {
+ XBT_VERB("Using java threads");
+ smx_factory_initializer_to_use = SIMIX_ctx_java_factory_init;
+ }
+ jthrowable exc = (*env)->ExceptionOccurred(env);
+ if (exc) {
+ (*env)->ExceptionClear(env);
+ }
+
+ setlocale(LC_NUMERIC,"C");
if (jargs)
argc = (int) (*env)->GetArrayLength(env, jargs);
free(argv[index]);
free(argv);
-
- (*env)->GetJavaVM(env, &__java_vm);
}
JNIEXPORT void JNICALL
bprintf
("unexpected error : MSG_clean() failed .. please report this bug "));
}
-
-JNIEXPORT jint JNICALL
-Java_org_simgrid_msg_MsgNative_processKillAll(JNIEnv * env, jclass cls,
- jint jresetPID)
-{
- return (jint) MSG_process_killall((int) jresetPID);
-}
JNIEXPORT void JNICALL
Java_org_simgrid_msg_Msg_createEnvironment(JNIEnv * env, jclass cls,
(*env)->ReleaseStringUTFChars(env, jplatformFile, platformFile);
}
-
JNIEXPORT void JNICALL
-Java_org_simgrid_msg_MsgNative_processExit(JNIEnv * env, jclass cls,
- jobject jprocess)
+Java_org_simgrid_msg_Msg_debug(JNIEnv * env, jclass cls, jstring js)
{
-
- m_process_t process = jprocess_to_native_process(jprocess, env);
-
- if (!process) {
- jxbt_throw_notbound(env, "process", jprocess);
- return;
- }
-
- smx_ctx_java_stop(MSG_process_get_smx_ctx(process));
+ const char *s = (*env)->GetStringUTFChars(env, js, 0);
+ XBT_DEBUG("%s", s);
+ (*env)->ReleaseStringUTFChars(env, js, s);
}
-
JNIEXPORT void JNICALL
Java_org_simgrid_msg_Msg_info(JNIEnv * env, jclass cls, jstring js)
{
(*env)->ReleaseStringUTFChars(env, js, s);
}
-JNIEXPORT jobjectArray JNICALL
-Java_org_simgrid_msg_MsgNative_allHosts(JNIEnv * env, jclass cls_arg)
-{
- int index;
- jobjectArray jtable;
- jobject jhost;
- jstring jname;
- m_host_t host;
-
- xbt_dynar_t table = MSG_hosts_as_dynar();
- int count = xbt_dynar_length(table);
-
- jclass cls = jxbt_get_class(env, "org/simgrid/msg/Host");
-
- if (!cls) {
- return NULL;
- }
-
- jtable = (*env)->NewObjectArray(env, (jsize) count, cls, NULL);
-
- if (!jtable) {
- jxbt_throw_jni(env, "Hosts table allocation failed");
- return NULL;
- }
-
- for (index = 0; index < count; index++) {
- host = xbt_dynar_get_as(table,index,m_host_t);
- jhost = (jobject) (MSG_host_get_data(host));
-
- if (!jhost) {
- jname = (*env)->NewStringUTF(env, MSG_host_get_name(host));
-
- jhost =
- Java_org_simgrid_msg_Host_getByName(env, cls_arg, jname);
- /* FIXME: leak of jname ? */
- }
-
- (*env)->SetObjectArrayElement(env, jtable, index, jhost);
- }
- xbt_dynar_free(&table);
- return jtable;
-}
-
JNIEXPORT void JNICALL
Java_org_simgrid_msg_Msg_deployApplication(JNIEnv * env, jclass cls,
jstring jdeploymentFile)
const char *deploymentFile =
(*env)->GetStringUTFChars(env, jdeploymentFile, 0);
- surf_parse_reset_callbacks();
-
- surfxml_add_callback(STag_surfxml_process_cb_list,
- japplication_handler_on_begin_process);
-
- surfxml_add_callback(ETag_surfxml_argument_cb_list,
- japplication_handler_on_process_arg);
-
- surfxml_add_callback(STag_surfxml_prop_cb_list,
- japplication_handler_on_property);
-
- surfxml_add_callback(ETag_surfxml_process_cb_list,
- japplication_handler_on_end_process);
-
- surf_parse_open(deploymentFile);
-
- japplication_handler_on_start_document();
-
- if (surf_parse())
- jxbt_throw_jni(env, "surf_parse() failed");
-
- surf_parse_close();
-
- japplication_handler_on_end_document();
-
- (*env)->ReleaseStringUTFChars(env, jdeploymentFile, deploymentFile);
+ SIMIX_function_register_default(create_jprocess);
+ MSG_launch_application(deploymentFile);
}
+/**
+ * Function called when there is the need to create the java Process object
+ * (when we are using deployement files).
+ * it HAS to be executed on the process context, else really bad things will happen.
+ */
+static int create_jprocess(int argc, char *argv[]) {
+ JNIEnv *env = get_current_thread_env();
+ //Change the "." in class name for "/".
+ xbt_str_subst(argv[0],'.','/',0);
+ jclass class_Process = (*env)->FindClass(env, argv[0]);
+ xbt_str_subst(argv[0],'/','.',0);
+ //Retrieve the methodID for the constructor
+ xbt_assert((class_Process != NULL), "Class not found.");
+ jmethodID constructor_Process = (*env)->GetMethodID(env, class_Process, "<init>", "(Lorg/simgrid/msg/Host;Ljava/lang/String;[Ljava/lang/String;)V");
+ xbt_assert((constructor_Process != NULL), "Constructor not found for class %s. Is there a (Host, String ,String[]) constructor in your class ?", argv[0]);
+
+ //Retrieve the name of the process.
+ jstring jname = (*env)->NewStringUTF(env, argv[0]);
+ //Build the arguments
+ jobjectArray args = (jobjectArray)((*env)->NewObjectArray(env,argc - 1,
+ (*env)->FindClass(env,"java/lang/String"),
+ (*env)->NewStringUTF(env,"")));
+ int i;
+ for (i = 1; i < argc; i++)
+ (*env)->SetObjectArrayElement(env,args,i - 1,(*env)->NewStringUTF(env, argv[i]));
+ //Retrieve the host for the process.
+ jstring jhostName = (*env)->NewStringUTF(env, MSG_host_get_name(MSG_host_self()));
+ jobject jhost = Java_org_simgrid_msg_Host_getByName(env, NULL, jhostName);
+ //creates the process
+ jobject jprocess = (*env)->NewObject(env, class_Process, constructor_Process, jhost, jname, args);
+ xbt_assert((jprocess != NULL), "Process allocation failed.");
+ jprocess = (*env)->NewGlobalRef(env, jprocess);
+ //bind the process to the context
+ m_process_t process = MSG_process_self();
+ smx_ctx_java_t context = (smx_ctx_java_t)MSG_process_get_smx_ctx(process);
+ context->jprocess = jprocess;
+ /* sets the PID and the PPID of the process */
+ (*env)->SetIntField(env, jprocess, jprocess_field_Process_pid,(jint) MSG_process_get_PID(process));
+ (*env)->SetIntField(env, jprocess, jprocess_field_Process_ppid, (jint) MSG_process_get_PPID(process));
+ jprocess_bind(jprocess, process, env);
+
+ return 0;
+}
+
