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-rw-r--r--bindings/java/Context.cpp96
-rw-r--r--bindings/java/Makefile.am58
-rw-r--r--bindings/java/Socket.cpp272
-rw-r--r--bindings/java/org/zmq/Context.java50
-rw-r--r--bindings/java/org/zmq/Socket.java112
5 files changed, 588 insertions, 0 deletions
diff --git a/bindings/java/Context.cpp b/bindings/java/Context.cpp
new file mode 100644
index 0000000..67094e8
--- /dev/null
+++ b/bindings/java/Context.cpp
@@ -0,0 +1,96 @@
+/*
+ Copyright (c) 2007-2009 FastMQ Inc.
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the Lesser GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Lesser GNU General Public License for more details.
+
+ You should have received a copy of the Lesser GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include "zmq.h"
+#include "org_zmq_Context.h"
+
+static jfieldID ctx_handle_fid = NULL;
+
+static void raise_exception (JNIEnv *env, int err)
+{
+ // Get exception class.
+ jclass exception_class = env->FindClass ("java/lang/Exception");
+ assert (exception_class);
+
+ // Get text description of the exception.
+#if defined _MSC_VER
+#pragma warning (push)
+#pragma warning (disable:4996)
+#endif
+ const char *err_msg = strerror (err);
+#if defined _MSC_VER
+#pragma warning (pop)
+#endif
+
+ // Raise the exception.
+ int rc = env->ThrowNew (exception_class, err_msg);
+ assert (rc == 0);
+
+ // Free the local ref.
+ env->DeleteLocalRef (exception_class);
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Context_construct (JNIEnv *env, jobject obj,
+ jint app_threads, jint io_threads)
+{
+ if (ctx_handle_fid == NULL) {
+ jclass cls = env->GetObjectClass (obj);
+ assert (cls);
+ ctx_handle_fid = env->GetFieldID (cls, "contextHandle", "J");
+ assert (ctx_handle_fid);
+ env->DeleteLocalRef (cls);
+ }
+
+ void *ctx = zmq_init (app_threads, io_threads);
+ if (ctx == NULL) {
+ raise_exception (env, errno);
+ return;
+ }
+
+ env->SetLongField (obj, ctx_handle_fid, (jlong) ctx);
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Context_finalize (JNIEnv *env, jobject obj)
+{
+ void *ctx = (void*) env->GetLongField (obj, ctx_handle_fid);
+ assert (ctx);
+
+ int rc = zmq_term (ctx);
+ assert (rc == 0);
+}
+
+JNIEXPORT jlong JNICALL Java_org_zmq_Context_createSocket (JNIEnv *env,
+ jobject obj, jint type)
+{
+ void *ctx = (void*) env->GetLongField (obj, ctx_handle_fid);
+ assert (ctx);
+
+ void *s = zmq_socket (ctx, type);
+ if (s == NULL) {
+ raise_exception (env, errno);
+ return -1;
+ }
+
+ return (jlong) s;
+}
diff --git a/bindings/java/Makefile.am b/bindings/java/Makefile.am
new file mode 100644
index 0000000..97e6cb9
--- /dev/null
+++ b/bindings/java/Makefile.am
@@ -0,0 +1,58 @@
+# We do not want to install Jzmq.class file
+# user has to copy it to the right location.
+#jzmqdir = /tmp
+
+jarfile = Zmq.jar
+jardir = $(datadir)/java
+
+$(jarfile): $(dist_noinst_JAVA)
+ $(JAR) cf $(JARFLAGS) $@ org/zmq/*.class
+
+jar_DATA = $(jarfile)
+
+dist_noinst_JAVA = \
+ org/zmq/Context.java \
+ org/zmq/Socket.java
+
+lib_LTLIBRARIES = libjzmq.la
+libjzmq_la_SOURCES = \
+ Context.cpp \
+ org_zmq_Context.h \
+ Socket.cpp \
+ org_zmq_Socket.h
+
+libjzmq_la_CXXFLAGS = -I$(top_srcdir)/src/libzmq \
+@JAVA_INCLUDE@ -I$(top_srcdir)/c -I$(top_srcdir)/libjzmq -Wall
+libjzmq_la_LDFLAGS = -version-info @JLTVER@
+libjzmq_la_LIBADD = $(top_builddir)/src/libzmq.la
+
+BUILT_SOURCES = \
+ org/zmq/Context.class \
+ org_zmq_Context.h \
+ org/zmq/Socket.class \
+ org_zmq_Socket.h
+
+CLEANFILES = \
+ org/zmq/Context.class \
+ org_zmq_Context.h \
+ org/zmq/Socket.class \
+ org_zmq_Socket.h \
+ Zmq.jar
+
+$(srcdir)/Context.cpp: org_zmq_Context.h
+
+org_zmq_Context.h: org/zmq/Context.class
+ $(CLASSPATH_ENV) $(JAVAH) -jni -classpath . org.zmq.Context
+
+./org/zmq/Context.class: classdist_noinst.stamp
+
+$(srcdir)/Socket.cpp: org_zmq_Socket.h
+
+org_zmq_Socket.h: org/zmq/Socket.class
+ $(CLASSPATH_ENV) $(JAVAH) -jni -classpath . org.zmq.Socket
+
+./org/zmq/Socket.class: classdist_noinst.stamp
+
+dist-hook:
+ -rm $(distdir)/*.h
+
diff --git a/bindings/java/Socket.cpp b/bindings/java/Socket.cpp
new file mode 100644
index 0000000..2274535
--- /dev/null
+++ b/bindings/java/Socket.cpp
@@ -0,0 +1,272 @@
+/*
+ Copyright (c) 2007-2009 FastMQ Inc.
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the Lesser GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Lesser GNU General Public License for more details.
+
+ You should have received a copy of the Lesser GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include "../src/stdint.hpp"
+
+#include "zmq.h"
+#include "org_zmq_Socket.h"
+
+static jfieldID socket_handle_fid = NULL;
+static jmethodID create_socket_mid = NULL;
+
+static void raise_exception (JNIEnv *env, int err)
+{
+ // Get exception class.
+ jclass exception_class = env->FindClass ("java/lang/Exception");
+ assert (exception_class);
+
+ // Get text description of the exception.
+#if defined _MSC_VER
+#pragma warning (push)
+#pragma warning (disable:4996)
+#endif
+ const char *err_msg = strerror (err);
+#if defined _MSC_VER
+#pragma warning (pop)
+#endif
+
+ // Raise the exception.
+ int rc = env->ThrowNew (exception_class, err_msg);
+ assert (rc == 0);
+
+ // Free the local ref.
+ env->DeleteLocalRef (exception_class);
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Socket_construct (JNIEnv *env, jobject obj,
+ jobject context, jint type)
+{
+ if (socket_handle_fid == NULL) {
+ jclass cls = env->GetObjectClass (obj);
+ assert (cls);
+ socket_handle_fid = env->GetFieldID (cls, "socketHandle", "J");
+ assert (socket_handle_fid);
+ env->DeleteLocalRef (cls);
+ }
+
+ if (create_socket_mid == NULL) {
+ jclass cls = env->FindClass ("org/zmq/Context");
+ assert (cls);
+ create_socket_mid = env->GetMethodID (cls, "createSocket", "(I)J");
+ assert (create_socket_mid);
+ env->DeleteLocalRef (cls);
+ }
+
+ void *s = (void*) env->CallLongMethod (context, create_socket_mid, type);
+ if (env->ExceptionCheck ())
+ return;
+
+ env->SetLongField (obj, socket_handle_fid, (jlong) s);
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Socket_finalize (JNIEnv *env, jobject obj)
+{
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+ int rc = zmq_close (s);
+ assert (rc == 0);
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Socket_setsockopt__IJ (JNIEnv *env,
+ jobject obj, jint option, jlong optval)
+{
+ switch (option) {
+ case ZMQ_HWM:
+ case ZMQ_LWM:
+ case ZMQ_SWAP:
+ case ZMQ_AFFINITY:
+ case ZMQ_RATE:
+ case ZMQ_RECOVERY_IVL:
+ case ZMQ_MCAST_LOOP:
+ {
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+
+ int64_t value = optval;
+ int rc = zmq_setsockopt (s, option, &value, sizeof (value));
+ if (rc != 0)
+ raise_exception (env, errno);
+ return;
+ }
+ default:
+ raise_exception (env, EINVAL);
+ return;
+ }
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Socket_setsockopt__ILjava_lang_String_2 (
+ JNIEnv *env, jobject obj, jint option, jstring optval)
+{
+ switch (option) {
+ case ZMQ_IDENTITY:
+ case ZMQ_SUBSCRIBE:
+ case ZMQ_UNSUBSCRIBE:
+ {
+ if (optval == NULL) {
+ raise_exception (env, EINVAL);
+ return;
+ }
+
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+
+ const char *value = env->GetStringUTFChars (optval, NULL);
+ assert (value);
+ int rc = zmq_setsockopt (s, option, value, strlen (value));
+ env->ReleaseStringUTFChars (optval, value);
+ if (rc != 0)
+ raise_exception (env, errno);
+ return;
+ }
+ default:
+ raise_exception (env, EINVAL);
+ return;
+ }
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Socket_bind (JNIEnv *env, jobject obj,
+ jstring addr)
+{
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+
+ if (addr == NULL) {
+ raise_exception (env, EINVAL);
+ return;
+ }
+
+ const char *c_addr = env->GetStringUTFChars (addr, NULL);
+ if (c_addr == NULL) {
+ raise_exception (env, EINVAL);
+ return;
+ }
+
+ int rc = zmq_bind (s, c_addr);
+ env->ReleaseStringUTFChars (addr, c_addr);
+
+ if (rc == -1)
+ raise_exception (env, errno);
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Socket_connect (JNIEnv *env, jobject obj,
+ jstring addr)
+{
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+
+ if (addr == NULL) {
+ raise_exception (env, EINVAL);
+ return;
+ }
+
+ const char *c_addr = env->GetStringUTFChars (addr, NULL);
+ if (c_addr == NULL) {
+ raise_exception (env, EINVAL);
+ return;
+ }
+
+ int rc = zmq_connect (s, c_addr);
+ env->ReleaseStringUTFChars (addr, c_addr);
+
+ if (rc == -1)
+ raise_exception (env, errno);
+}
+
+JNIEXPORT jboolean JNICALL Java_org_zmq_Socket_send (JNIEnv *env, jobject obj,
+ jbyteArray msg, jlong flags)
+{
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+
+ jsize size = env->GetArrayLength (msg);
+ jbyte *data = env->GetByteArrayElements (msg, 0);
+
+ zmq_msg_t message;
+ int rc = zmq_msg_init_size (&message, size);
+ assert (rc == 0);
+ memcpy (zmq_msg_data (&message), data, size);
+
+ env->ReleaseByteArrayElements (msg, data, 0);
+
+ rc = zmq_send (s, &message, (int) flags);
+
+ if (rc == -1 && errno == EAGAIN) {
+ rc = zmq_msg_close (&message);
+ assert (rc == 0);
+ return JNI_FALSE;
+ }
+
+ if (rc == -1) {
+ raise_exception (env, errno);
+ rc = zmq_msg_close (&message);
+ assert (rc == 0);
+ return JNI_FALSE;
+ }
+
+ rc = zmq_msg_close (&message);
+ assert (rc == 0);
+ return JNI_TRUE;
+}
+
+JNIEXPORT void JNICALL Java_org_zmq_Socket_flush (JNIEnv *env, jobject obj)
+{
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+
+ int rc = zmq_flush (s);
+
+ if (rc == -1) {
+ raise_exception (env, errno);
+ return ;
+ }
+}
+
+JNIEXPORT jbyteArray JNICALL Java_org_zmq_Socket_recv (JNIEnv *env, jobject obj,
+ jlong flags)
+{
+ void *s = (void*) env->GetLongField (obj, socket_handle_fid);
+ assert (s);
+
+ zmq_msg_t message;
+ zmq_msg_init (&message);
+ int rc = zmq_recv (s, &message, (int) flags);
+
+ if (rc == -1 && errno == EAGAIN) {
+ zmq_msg_close (&message);
+ return NULL;
+ }
+
+ if (rc == -1) {
+ raise_exception (env, errno);
+ zmq_msg_close (&message);
+ return NULL;
+ }
+
+ jbyteArray data = env->NewByteArray (zmq_msg_size (&message));
+ assert (data);
+ env->SetByteArrayRegion (data, 0, zmq_msg_size (&message),
+ (jbyte*) zmq_msg_data (&message));
+
+ return data;
+}
diff --git a/bindings/java/org/zmq/Context.java b/bindings/java/org/zmq/Context.java
new file mode 100644
index 0000000..c63ef60
--- /dev/null
+++ b/bindings/java/org/zmq/Context.java
@@ -0,0 +1,50 @@
+/*
+ Copyright (c) 2007-2009 FastMQ Inc.
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the Lesser GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Lesser GNU General Public License for more details.
+
+ You should have received a copy of the Lesser GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package org.zmq;
+
+public class Context {
+ static {
+ System.loadLibrary("jzmq");
+ }
+
+ /**
+ * Class constructor.
+ *
+ * @param appThreads maximum number of application threads.
+ * @param ioThreads size of the threads pool to handle I/O operations.
+ */
+ public Context (int appThreads, int ioThreads) {
+ construct (appThreads, ioThreads);
+ }
+
+ /**
+ * Internal function. Do not use directly!
+ */
+ public native long createSocket (int type);
+
+ /** Initialize the JNI interface */
+ protected native void construct (int appThreads, int ioThreads);
+
+ /** Free resources used by JNI driver. */
+ protected native void finalize ();
+
+ /** Opaque data used by JNI driver. */
+ private long contextHandle;
+}
diff --git a/bindings/java/org/zmq/Socket.java b/bindings/java/org/zmq/Socket.java
new file mode 100644
index 0000000..501bc16
--- /dev/null
+++ b/bindings/java/org/zmq/Socket.java
@@ -0,0 +1,112 @@
+ /*
+ Copyright (c) 2007-2009 FastMQ Inc.
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the Lesser GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Lesser GNU General Public License for more details.
+
+ You should have received a copy of the Lesser GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package org.zmq;
+
+public class Socket
+{
+
+ static {
+ System.loadLibrary("jzmq");
+ }
+
+ public static final int NOBLOCK = 1;
+ public static final int NOFLUSH = 2;
+
+ public static final int P2P = 0;
+ public static final int PUB = 1;
+ public static final int SUB = 2;
+ public static final int REQ = 3;
+ public static final int REP = 4;
+
+ public static final int HWM = 1;
+ public static final int LWM = 2;
+ public static final int SWAP = 3;
+ public static final int AFFINITY = 4;
+ public static final int IDENTITY = 5;
+ public static final int SUBSCRIBE = 6;
+ public static final int UNSUBSCRIBE = 7;
+ public static final int RATE = 8;
+ public static final int RECOVERY_IVL = 9;
+ public static final int MCAST_LOOP = 10;
+
+ /**
+ * Class constructor.
+ *
+ * @param context
+ * @param type
+ */
+ public Socket (Context context, int type) {
+ construct (context, type);
+ }
+
+ /**
+ * Set the socket option value.
+ *
+ * @param option ID of the option to set
+ * @param optval value to set the option to
+ */
+ public native void setsockopt (int option, long optval);
+ public native void setsockopt (int option, String optval);
+
+ /**
+ * Bind to network interface. Start listening for new connections.
+ *
+ * @param addr
+ */
+ public native void bind (String addr);
+
+ /**
+ * Connect to remote application.
+ *
+ * @param addr
+ */
+ public native void connect (String addr);
+
+ /**
+ * Send the message.
+ *
+ * @param msg
+ * @param flags
+ */
+ public native boolean send (byte [] msg, long flags);
+
+ /**
+ * Flush the messages down the stream.
+ */
+ public native void flush ();
+
+ /**
+ * Receive message.
+ *
+ * @param flags
+ * @return
+ */
+ public native byte [] recv (long flags);
+
+ /** Initialize JNI driver */
+ protected native void construct (Context context, int type);
+
+ /** Free all resources used by JNI driver. */
+ protected native void finalize ();
+
+ /** Opaque data used by JNI driver. */
+ private long socketHandle;
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 03:38:28 +0000