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-rw-r--r--src/java/nxt_jni_Context.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/java/nxt_jni_Context.c b/src/java/nxt_jni_Context.c
new file mode 100644
index 00000000..8f7adddf
--- /dev/null
+++ b/src/java/nxt_jni_Context.c
@@ -0,0 +1,164 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_auto_config.h>
+
+#include <nxt_unit.h>
+#include <jni.h>
+
+#include "nxt_jni.h"
+#include "nxt_jni_Context.h"
+#include "nxt_jni_URLClassLoader.h"
+
+
+static jclass nxt_java_Context_class;
+static jmethodID nxt_java_Context_start;
+static jmethodID nxt_java_Context_service;
+static jmethodID nxt_java_Context_stop;
+
+static void JNICALL nxt_java_Context_log(JNIEnv *env, jclass cls,
+ jlong ctx_ptr, jstring msg, jint msg_len);
+static void JNICALL nxt_java_Context_trace(JNIEnv *env, jclass cls,
+ jlong ctx_ptr, jstring msg, jint msg_len);
+
+
+int
+nxt_java_initContext(JNIEnv *env, jobject cl)
+{
+ int res;
+ jclass cls;
+
+ cls = nxt_java_loadClass(env, cl, "nginx.unit.Context");
+ if (cls == NULL) {
+ nxt_unit_warn(NULL, "nginx.unit.Context not found");
+ return NXT_UNIT_ERROR;
+ }
+
+ nxt_java_Context_class = (*env)->NewGlobalRef(env, cls);
+ (*env)->DeleteLocalRef(env, cls);
+ cls = nxt_java_Context_class;
+
+ nxt_java_Context_start = (*env)->GetStaticMethodID(env, cls, "start",
+ "(Ljava/lang/String;[Ljava/net/URL;)Lnginx/unit/Context;");
+ if (nxt_java_Context_start == NULL) {
+ nxt_unit_warn(NULL, "nginx.unit.Context.start() not found");
+ goto failed;
+ }
+
+ nxt_java_Context_service = (*env)->GetMethodID(env, cls, "service",
+ "(Lnginx/unit/Request;Lnginx/unit/Response;)V");
+ if (nxt_java_Context_service == NULL) {
+ nxt_unit_warn(NULL, "nginx.unit.Context.service() not found");
+ goto failed;
+ }
+
+ nxt_java_Context_stop = (*env)->GetMethodID(env, cls, "stop", "()V");
+ if (nxt_java_Context_service == NULL) {
+ nxt_unit_warn(NULL, "nginx.unit.Context.stop() not found");
+ goto failed;
+ }
+
+ JNINativeMethod context_methods[] = {
+ { (char *) "log",
+ (char *) "(JLjava/lang/String;I)V",
+ nxt_java_Context_log },
+
+ { (char *) "trace",
+ (char *) "(JLjava/lang/String;I)V",
+ nxt_java_Context_trace },
+
+ };
+
+ res = (*env)->RegisterNatives(env, nxt_java_Context_class,
+ context_methods,
+ sizeof(context_methods)
+ / sizeof(context_methods[0]));
+
+ nxt_unit_debug(NULL, "registered Context methods: %d", res);
+
+ if (res != 0) {
+ nxt_unit_warn(NULL, "registering natives for Context failed");
+ goto failed;
+ }
+
+ return NXT_UNIT_OK;
+
+failed:
+
+ (*env)->DeleteGlobalRef(env, cls);
+ return NXT_UNIT_ERROR;
+}
+
+
+jobject
+nxt_java_startContext(JNIEnv *env, const char *webapp, jobject classpaths)
+{
+ jstring webapp_str;
+
+ webapp_str = (*env)->NewStringUTF(env, webapp);
+ if (webapp_str == NULL) {
+ return NULL;
+ }
+
+ return (*env)->CallStaticObjectMethod(env, nxt_java_Context_class,
+ nxt_java_Context_start, webapp_str,
+ classpaths);
+}
+
+
+void
+nxt_java_service(JNIEnv *env, jobject ctx, jobject jreq, jobject jresp)
+{
+ (*env)->CallVoidMethod(env, ctx, nxt_java_Context_service, jreq, jresp);
+}
+
+
+void
+nxt_java_stopContext(JNIEnv *env, jobject ctx)
+{
+ (*env)->CallVoidMethod(env, ctx, nxt_java_Context_stop);
+}
+
+
+static void JNICALL
+nxt_java_Context_log(JNIEnv *env, jclass cls, jlong ctx_ptr, jstring msg,
+ jint msg_len)
+{
+ const char *msg_str;
+ nxt_unit_ctx_t *ctx;
+
+ ctx = nxt_jlong2ptr(ctx_ptr);
+
+ msg_str = (*env)->GetStringUTFChars(env, msg, NULL);
+ if (msg_str == NULL) {
+ return;
+ }
+
+ nxt_unit_log(ctx, NXT_UNIT_LOG_INFO, "%.*s", msg_len, msg_str);
+
+ (*env)->ReleaseStringUTFChars(env, msg, msg_str);
+}
+
+
+static void JNICALL
+nxt_java_Context_trace(JNIEnv *env, jclass cls, jlong ctx_ptr, jstring msg,
+ jint msg_len)
+{
+#if (NXT_DEBUG)
+ const char *msg_str;
+ nxt_unit_ctx_t *ctx;
+
+ ctx = nxt_jlong2ptr(ctx_ptr);
+
+ msg_str = (*env)->GetStringUTFChars(env, msg, NULL);
+ if (msg_str == NULL) {
+ return;
+ }
+
+ nxt_unit_debug(ctx, "%.*s", msg_len, msg_str);
+
+ (*env)->ReleaseStringUTFChars(env, msg, msg_str);
+#endif
+}