X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a361c6f643b5c93bf65deaff643fb79144ef965d..07590d530fdab126f1f35077b6d2de7e81bdbf13:/src/jmsg_process.c diff --git a/src/jmsg_process.c b/src/jmsg_process.c index 2e4c9d17be..aaa73e70ef 100644 --- a/src/jmsg_process.c +++ b/src/jmsg_process.c @@ -1,6 +1,6 @@ /* Functions related to the java process instances. */ -/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2007-2012. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -10,16 +10,21 @@ #include "jmsg.h" #include "jmsg_host.h" #include "jxbt_utilities.h" - -#include "smx_context_java.h" +#include "smx_context_java.h" +#include "smx_context_cojava.h" XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg); -static jfieldID jprocess_field_Process_host; -static jfieldID jprocess_field_Process_pid; -static jfieldID jprocess_field_Process_ppid; +JNIEXPORT void JNICALL +Java_org_simgrid_msg_Process_exit(JNIEnv *env, jobject jprocess) { + if (smx_factory_initializer_to_use == SIMIX_ctx_cojava_factory_init) { + msg_process_t process = jprocess_to_native_process(jprocess, env); + smx_context_t context = MSG_process_get_smx_ctx(process); + smx_ctx_cojava_stop(context); + } +} -jobject native_to_java_process(m_process_t process) +jobject native_to_java_process(msg_process_t process) { return ((smx_ctx_java_t)MSG_process_get_smx_ctx(process))->jprocess; } @@ -34,149 +39,31 @@ void jprocess_delete_global_ref(jobject jprocess, JNIEnv * env) (*env)->DeleteGlobalRef(env, jprocess); } -jboolean jprocess_is_alive(jobject jprocess, JNIEnv * env) -{ - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "isAlive", "()Z"); - - if (!id) - return 0; - - return (*env)->CallBooleanMethod(env, jprocess, id); -} - void jprocess_join(jobject jprocess, JNIEnv * env) { - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "join", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, jprocess, id); + msg_process_t process = jprocess_to_native_process(jprocess,env); + smx_ctx_java_t context = (smx_ctx_java_t)MSG_process_get_smx_ctx(process); + xbt_os_thread_join(context->thread,NULL); } -void jprocess_exit(jobject jprocess, JNIEnv * env) +msg_process_t jprocess_to_native_process(jobject jprocess, JNIEnv * env) { - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "interrupt", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, jprocess, id); + return (msg_process_t) (long) (*env)->GetLongField(env, jprocess, jprocess_field_Process_bind); } -void jprocess_yield(jobject jprocess, JNIEnv * env) +void jprocess_bind(jobject jprocess, msg_process_t process, JNIEnv * env) { - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "switchProcess", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, jprocess, id); -} - -void jprocess_lock_mutex(jobject jprocess, JNIEnv * env) -{ - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "lockMutex", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, jprocess, id); -} - -void jprocess_unlock_mutex(jobject jprocess, JNIEnv * env) -{ - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "unlockMutex", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, jprocess, id); -} - - -void jprocess_signal_cond(jobject jprocess, JNIEnv * env) -{ - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "signalCond", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, jprocess, id); -} - -void jprocess_wait_cond(jobject jprocess, JNIEnv * env) -{ - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "waitCond", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, jprocess, id); -} - - -void jprocess_start(jobject jprocess, JNIEnv * env) -{ - jmethodID id = - jxbt_get_smethod(env, "org/simgrid/msg/Process", "start", "()V"); - - if (!id) - return; - - XBT_DEBUG("jprocess_start(jproc=%p,env=%p)", jprocess, env); - (*env)->CallVoidMethod(env, jprocess, id); - XBT_DEBUG("jprocess started"); -} - -m_process_t jprocess_to_native_process(jobject jprocess, JNIEnv * env) -{ - jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Process", "bind", "J"); - - if (!id) - return NULL; - - return (m_process_t) (long) (*env)->GetLongField(env, jprocess, id); -} - -void jprocess_bind(jobject jprocess, m_process_t process, JNIEnv * env) -{ - jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Process", "bind", "J"); - if (!id) - return; - - (*env)->SetLongField(env, jprocess, id, (jlong) (long) (process)); + (*env)->SetLongField(env, jprocess, jprocess_field_Process_bind, (jlong)(process)); } jlong jprocess_get_id(jobject jprocess, JNIEnv * env) { - jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Process", "id", "J"); - - if (!id) - return 0; - - return (*env)->GetLongField(env, jprocess, id); + return (*env)->GetLongField(env, jprocess, jprocess_field_Process_id); } jstring jprocess_get_name(jobject jprocess, JNIEnv * env) { - jfieldID id = jxbt_get_sfield(env, "org/simgrid/msg/Process", "name", - "Ljava/lang/String;"); - jobject jname; - - if (!id) - return NULL; - - jname = (jstring) (*env)->GetObjectField(env, jprocess, id); - + jstring jname = (jstring) (*env)->GetObjectField(env, jprocess, jprocess_field_Process_name); return (*env)->NewGlobalRef(env, jname); } @@ -190,53 +77,21 @@ jboolean jprocess_is_valid(jobject jprocess, JNIEnv * env) return (*env)->GetLongField(env, jprocess, id) ? JNI_TRUE : JNI_FALSE; } - -void jprocess_schedule(smx_context_t context) -{ - JNIEnv *env; - jmethodID id; - - env = get_current_thread_env(); - - id = jxbt_get_smethod(env, "org/simgrid/msg/Process", "schedule", "()V"); - - if (!id) { - XBT_CRITICAL("Cannot find java method org/simgrid/msg/Process/schedule()V"); - return; - } - - (*env)->CallVoidMethod(env, ((smx_ctx_java_t) context)->jprocess, id); -} - - - -void jprocess_unschedule(smx_context_t context) -{ - JNIEnv *env; - jmethodID id; - - env = get_current_thread_env(); - - - id = jxbt_get_smethod(env, "org/simgrid/msg/Process", "unschedule", "()V"); - - if (!id) - return; - - (*env)->CallVoidMethod(env, ((smx_ctx_java_t) context)->jprocess, id); -} JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_nativeInit(JNIEnv *env, jclass cls) { - jclass jprocess_class_Process = (*env)->FindClass(env, "org/simgrid/msg/Process"); - - jprocess_field_Process_pid = jxbt_get_sfield(env, "org/simgrid/msg/Process", "pid", "I"); - jprocess_field_Process_ppid = jxbt_get_sfield(env, "org/simgrid/msg/Process", "ppid", "I"); - jprocess_field_Process_host = jxbt_get_jfield(env, jprocess_class_Process, "host", "Lorg/simgrid/msg/Host;"); - - if (!jprocess_class_Process || !jprocess_field_Process_pid || - !jprocess_field_Process_ppid || !jprocess_field_Process_host) { - jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug.")); - } + jclass jprocess_class_Process = (*env)->FindClass(env, "org/simgrid/msg/Process"); + + jprocess_field_Process_name = jxbt_get_jfield(env, jprocess_class_Process, "name", "Ljava/lang/String;"); + jprocess_field_Process_bind = jxbt_get_jfield(env, jprocess_class_Process, "bind", "J"); + jprocess_field_Process_id = jxbt_get_jfield(env, jprocess_class_Process, "id", "J"); + jprocess_field_Process_pid = jxbt_get_jfield(env, jprocess_class_Process, "pid", "I"); + jprocess_field_Process_ppid = jxbt_get_jfield(env, jprocess_class_Process, "ppid", "I"); + jprocess_field_Process_host = jxbt_get_jfield(env, jprocess_class_Process, "host", "Lorg/simgrid/msg/Host;"); + jprocess_field_Process_killTime = jxbt_get_jfield(env, jprocess_class_Process, "killTime", "D"); + if (!jprocess_class_Process || !jprocess_field_Process_id || !jprocess_field_Process_name || !jprocess_field_Process_pid || + !jprocess_field_Process_ppid || !jprocess_field_Process_host) { + jxbt_throw_native(env,bprintf("Can't find some fields in Java class. You should report this bug.")); + } } JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_create(JNIEnv * env, @@ -249,15 +104,11 @@ Java_org_simgrid_msg_Process_create(JNIEnv * env, 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 */ + msg_process_t process; /* the native process to create */ + msg_host_t host; /* Where that process lives */ hostname = (*env)->GetStringUTFChars(env, jhostname, 0); - XBT_DEBUG("Java_org_simgrid_msg_MsgNative_processCreate(env=%p,jproc=%p,host=%s)", - env, jprocess_arg, hostname); - - /* get the name of the java process */ jname = jprocess_get_name(jprocess_arg, env); if (!jname) { @@ -285,25 +136,24 @@ Java_org_simgrid_msg_Process_create(JNIEnv * env, name = (*env)->GetStringUTFChars(env, jname, 0); name = xbt_strdup(name); + /* Retrieve the kill time from the process */ + jdouble jkill = (*env)->GetDoubleField(env, jprocess, jprocess_field_Process_killTime); /* Actually build the MSG process */ process = MSG_process_create_with_environment(name, (xbt_main_func_t) jprocess, - /*data*/ NULL, + /*data*/ jprocess, host, - /* kill_time */-1, /*argc, argv, properties*/ 0,NULL,NULL); - - MSG_process_set_data(process,&process); + MSG_process_set_kill_time(process, (double)jkill); + /* bind the java process instance to the native process */ + jprocess_bind(jprocess, process, env); /* 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); - /* 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)); @@ -324,7 +174,7 @@ JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_fromPID(JNIEnv * env, jclass cls, jint PID) { - m_process_t process = MSG_process_from_PID(PID); + msg_process_t process = MSG_process_from_PID(PID); if (!process) { jxbt_throw_process_not_found(env, bprintf("PID = %d",(int) PID)); @@ -334,17 +184,37 @@ Java_org_simgrid_msg_Process_fromPID(JNIEnv * env, jclass cls, jobject jprocess = native_to_java_process(process); if (!jprocess) { - jxbt_throw_jni(env, "SIMIX_process_get_jprocess() failed"); + jxbt_throw_jni(env, "get process failed"); return NULL; } return jprocess; } +JNIEXPORT jobject JNICALL +Java_org_simgrid_msg_Process_getProperty(JNIEnv *env, jobject jprocess, jobject jname) { + msg_process_t process = jprocess_to_native_process(jprocess, env); + + if (!process) { + jxbt_throw_notbound(env, "process", jprocess); + return NULL; + } + const char *name = (*env)->GetStringUTFChars(env, jname, 0); + + const char *property = MSG_process_get_property_value(process, name); + if (!property) { + return NULL; + } + + jobject jproperty = (*env)->NewStringUTF(env, property); + + (*env)->ReleaseStringUTFChars(env, jname, name); + return jproperty; +} JNIEXPORT jobject JNICALL Java_org_simgrid_msg_Process_currentProcess(JNIEnv * env, jclass cls) { - m_process_t process = MSG_process_self(); + msg_process_t process = MSG_process_self(); jobject jprocess; if (!process) { @@ -361,10 +231,10 @@ Java_org_simgrid_msg_Process_currentProcess(JNIEnv * env, jclass cls) } JNIEXPORT void JNICALL -Java_org_simgrid_msg_Process_pause(JNIEnv * env, +Java_org_simgrid_msg_Process_suspend(JNIEnv * env, jobject jprocess) { - m_process_t process = jprocess_to_native_process(jprocess, env); + msg_process_t process = jprocess_to_native_process(jprocess, env); if (!process) { jxbt_throw_notbound(env, "process", jprocess); @@ -372,17 +242,18 @@ Java_org_simgrid_msg_Process_pause(JNIEnv * env, } /* try to suspend the process */ - MSG_error_t rv = MSG_process_suspend(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_restart(JNIEnv * env, +Java_org_simgrid_msg_Process_resume(JNIEnv * env, jobject jprocess) { - m_process_t process = jprocess_to_native_process(jprocess, env); + msg_process_t process = jprocess_to_native_process(jprocess, env); if (!process) { jxbt_throw_notbound(env, "process", jprocess); @@ -390,16 +261,55 @@ Java_org_simgrid_msg_Process_restart(JNIEnv * env, } /* try to resume the process */ - MSG_error_t rv = MSG_process_resume(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 void JNICALL +Java_org_simgrid_msg_Process_setAutoRestart + (JNIEnv *env, jobject jprocess, jboolean jauto_restart) { + msg_process_t process = jprocess_to_native_process(jprocess, env); + xbt_ex_t e; + + int auto_restart = jauto_restart == JNI_TRUE ? 1 : 0; + + if (!process) { + jxbt_throw_notbound(env, "process", jprocess); + return; + } + + TRY { + MSG_process_auto_restart_set(process,auto_restart); + } + CATCH (e) { + xbt_ex_free(e); + } +} +JNIEXPORT void JNICALL +Java_org_simgrid_msg_Process_restart + (JNIEnv *env, jobject jprocess) { + msg_process_t process = jprocess_to_native_process(jprocess, env); + xbt_ex_t e; + + if (!process) { + jxbt_throw_notbound(env, "process", jprocess); + return; + } + + TRY { + MSG_process_restart(process); + } + CATCH (e) { + xbt_ex_free(e); + } + +} JNIEXPORT jboolean JNICALL Java_org_simgrid_msg_Process_isSuspended(JNIEnv * env, jobject jprocess) { - m_process_t process = jprocess_to_native_process(jprocess, env); + msg_process_t process = jprocess_to_native_process(jprocess, env); if (!process) { jxbt_throw_notbound(env, "process", jprocess); @@ -410,75 +320,68 @@ Java_org_simgrid_msg_Process_isSuspended(JNIEnv * env, return (jboolean) MSG_process_is_suspended(process); } -JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_sleep +JNIEXPORT void JNICALL +Java_org_simgrid_msg_Process_sleep (JNIEnv *env, jclass cls, jlong jmillis, jint jnanos) { double time = jmillis / 1000 + jnanos / 1000; - - MSG_error_t rv = MSG_process_sleep(time); - jxbt_check_res("MSG_process_sleep()", rv, MSG_OK, - bprintf("unexpected error , please report this bug")); + msg_error_t rv; + xbt_ex_t e; + TRY { + rv = MSG_process_sleep(time); + } + CATCH(e) { + xbt_ex_free(e); + return; + } + if (rv != MSG_OK) { + jmsg_throw_status(env,rv); + } } JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_waitFor(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; + xbt_ex_t e; + TRY { + rv = MSG_process_sleep((double)jseconds); } - MSG_error_t rv = MSG_process_sleep((double)jseconds); - if (rv != MSG_OK) { -// smx_ctx_java_stop(smx_ctx_java_self()); + CATCH(e) { + xbt_ex_free(e); + return; } -} - -JNIEXPORT void JNICALL -Java_org_simgrid_msg_Process_exit(JNIEnv * env, - jobject jprocess) -{ - - m_process_t process = jprocess_to_native_process(jprocess, env); - - if (!process) { - jxbt_throw_notbound(env, "process", jprocess); - return; + if (rv != MSG_OK) { + XBT_INFO("Status NOK"); + jmsg_throw_status(env,rv); } - - smx_ctx_java_stop(MSG_process_get_smx_ctx(process)); } JNIEXPORT void JNICALL -Java_org_simgrid_msg_Process_kill(JNIEnv * env, jclass cls, +Java_org_simgrid_msg_Process_kill(JNIEnv * env, jobject jprocess) { - /* get the native instances from the java ones */ - m_process_t process = jprocess_to_native_process(jprocess, env); - + /* get the native instances from the java ones */ + msg_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); + MSG_process_kill(process); } JNIEXPORT void JNICALL Java_org_simgrid_msg_Process_migrate(JNIEnv * env, jobject jprocess, jobject jhost) { - m_process_t process = jprocess_to_native_process(jprocess, env); + msg_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); + msg_host_t host = jhost_get_native(env, jhost); if (!host) { jxbt_throw_notbound(env, "host", jhost); @@ -486,9 +389,27 @@ Java_org_simgrid_msg_Process_migrate(JNIEnv * env, } /* 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")); + msg_error_t rv = MSG_process_migrate(process, host); + if (rv != MSG_OK) { + jmsg_throw_status(env,rv); + } /* change the host java side */ (*env)->SetObjectField(env, jprocess, jprocess_field_Process_host, jhost); } +JNIEXPORT void JNICALL +Java_org_simgrid_msg_Process_setKillTime (JNIEnv *env , jobject jprocess, jdouble jkilltime) { + msg_process_t process = jprocess_to_native_process(jprocess, env); + MSG_process_set_kill_time(process, (double)jkilltime); +} + +JNIEXPORT jint JNICALL +Java_org_simgrid_msg_Process_getCount(JNIEnv * env, jclass cls) { + /* FIXME: the next test on SimGrid version is to ensure that this still compiles with SG 3.8 while the C function were added in SG 3.9 only. + * This kind of pimple becomes mandatory when you get so slow to release the java version that it begins evolving further after the C release date. + */ +#if SIMGRID_VERSION >= 30900 + return (jint) MSG_process_get_number(); +#else + return (jint) -1; +#endif +}