165 lines
4.1 KiB
C
165 lines
4.1 KiB
C
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/*
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* Copyright (C) NGINX, Inc.
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*/
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#include <nxt_auto_config.h>
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#include <nxt_unit.h>
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#include <jni.h>
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#include "nxt_jni.h"
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#include "nxt_jni_Context.h"
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#include "nxt_jni_URLClassLoader.h"
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static jclass nxt_java_Context_class;
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static jmethodID nxt_java_Context_start;
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static jmethodID nxt_java_Context_service;
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static jmethodID nxt_java_Context_stop;
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static void JNICALL nxt_java_Context_log(JNIEnv *env, jclass cls,
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jlong ctx_ptr, jstring msg, jint msg_len);
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static void JNICALL nxt_java_Context_trace(JNIEnv *env, jclass cls,
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jlong ctx_ptr, jstring msg, jint msg_len);
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int
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nxt_java_initContext(JNIEnv *env, jobject cl)
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{
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int res;
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jclass cls;
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cls = nxt_java_loadClass(env, cl, "nginx.unit.Context");
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if (cls == NULL) {
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nxt_unit_warn(NULL, "nginx.unit.Context not found");
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return NXT_UNIT_ERROR;
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}
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nxt_java_Context_class = (*env)->NewGlobalRef(env, cls);
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(*env)->DeleteLocalRef(env, cls);
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cls = nxt_java_Context_class;
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nxt_java_Context_start = (*env)->GetStaticMethodID(env, cls, "start",
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"(Ljava/lang/String;[Ljava/net/URL;)Lnginx/unit/Context;");
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if (nxt_java_Context_start == NULL) {
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nxt_unit_warn(NULL, "nginx.unit.Context.start() not found");
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goto failed;
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}
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nxt_java_Context_service = (*env)->GetMethodID(env, cls, "service",
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"(Lnginx/unit/Request;Lnginx/unit/Response;)V");
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if (nxt_java_Context_service == NULL) {
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nxt_unit_warn(NULL, "nginx.unit.Context.service() not found");
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goto failed;
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}
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nxt_java_Context_stop = (*env)->GetMethodID(env, cls, "stop", "()V");
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if (nxt_java_Context_stop == NULL) {
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nxt_unit_warn(NULL, "nginx.unit.Context.stop() not found");
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goto failed;
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}
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JNINativeMethod context_methods[] = {
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{ (char *) "log",
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(char *) "(JLjava/lang/String;I)V",
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nxt_java_Context_log },
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{ (char *) "trace",
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(char *) "(JLjava/lang/String;I)V",
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nxt_java_Context_trace },
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};
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res = (*env)->RegisterNatives(env, nxt_java_Context_class,
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context_methods,
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sizeof(context_methods)
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/ sizeof(context_methods[0]));
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nxt_unit_debug(NULL, "registered Context methods: %d", res);
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if (res != 0) {
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nxt_unit_warn(NULL, "registering natives for Context failed");
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goto failed;
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}
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return NXT_UNIT_OK;
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failed:
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(*env)->DeleteGlobalRef(env, cls);
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return NXT_UNIT_ERROR;
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}
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jobject
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nxt_java_startContext(JNIEnv *env, const char *webapp, jobject classpaths)
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{
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jstring webapp_str;
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webapp_str = (*env)->NewStringUTF(env, webapp);
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if (webapp_str == NULL) {
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return NULL;
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}
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return (*env)->CallStaticObjectMethod(env, nxt_java_Context_class,
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nxt_java_Context_start, webapp_str,
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classpaths);
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}
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void
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nxt_java_service(JNIEnv *env, jobject ctx, jobject jreq, jobject jresp)
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{
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(*env)->CallVoidMethod(env, ctx, nxt_java_Context_service, jreq, jresp);
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}
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void
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nxt_java_stopContext(JNIEnv *env, jobject ctx)
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{
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(*env)->CallVoidMethod(env, ctx, nxt_java_Context_stop);
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}
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static void JNICALL
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nxt_java_Context_log(JNIEnv *env, jclass cls, jlong ctx_ptr, jstring msg,
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jint msg_len)
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{
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const char *msg_str;
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nxt_unit_ctx_t *ctx;
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ctx = nxt_jlong2ptr(ctx_ptr);
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msg_str = (*env)->GetStringUTFChars(env, msg, NULL);
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if (msg_str == NULL) {
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return;
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}
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nxt_unit_log(ctx, NXT_UNIT_LOG_INFO, "%.*s", msg_len, msg_str);
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(*env)->ReleaseStringUTFChars(env, msg, msg_str);
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}
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static void JNICALL
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nxt_java_Context_trace(JNIEnv *env, jclass cls, jlong ctx_ptr, jstring msg,
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jint msg_len)
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{
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#if (NXT_DEBUG)
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const char *msg_str;
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nxt_unit_ctx_t *ctx;
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ctx = nxt_jlong2ptr(ctx_ptr);
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msg_str = (*env)->GetStringUTFChars(env, msg, NULL);
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if (msg_str == NULL) {
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return;
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}
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nxt_unit_debug(ctx, "%.*s", msg_len, msg_str);
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(*env)->ReleaseStringUTFChars(env, msg, msg_str);
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#endif
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}
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