/* 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
#include "jmsg_host.h"
#include "jxbt_utilities.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;
}
void jprocess_join(jobject jprocess, JNIEnv * env)
{
- m_process_t process = jprocess_to_native_process(jprocess,env);
+ 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_start(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", "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) {
- XBT_INFO("Can't find bind field in Process");
- 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);
}
}
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,
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) {
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));
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));
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) {
}
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);
}
/* 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);
}
/* 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);
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_t context = (smx_ctx_java_t)MSG_process_get_smx_ctx(process);
- smx_ctx_java_stop(MSG_process_get_smx_ctx(process));
- xbt_os_sem_release(context->end);
}
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);
}
/* 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
+}
