X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/83803fce1bb1e3657b8e5697df09d73b551bab05..e1a098b59e3a524d0dd94b00a69419e391bf142a:/src/jmsg.c diff --git a/src/jmsg.c b/src/jmsg.c index 95b89eb366..92d5d979ca 100644 --- a/src/jmsg.c +++ b/src/jmsg.c @@ -9,15 +9,15 @@ #include #include #include - +#include #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" @@ -31,10 +31,11 @@ #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) { @@ -46,317 +47,23 @@ JNIEnv *get_current_thread_env(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")); + } } @@ -379,7 +86,22 @@ Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs) 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); @@ -402,8 +124,6 @@ Java_org_simgrid_msg_Msg_init(JNIEnv * env, jclass cls, jobjectArray jargs) free(argv[index]); free(argv); - - (*env)->GetJavaVM(env, &__java_vm); } JNIEXPORT void JNICALL @@ -445,13 +165,6 @@ 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, @@ -465,22 +178,13 @@ 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) { @@ -489,49 +193,6 @@ 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) @@ -540,30 +201,50 @@ Java_org_simgrid_msg_Msg_deployApplication(JNIEnv * env, jclass cls, 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, "", "(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; +} +