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-rwxr-xr-x[-rw-r--r--]bindings/java/Context.cpp140
-rwxr-xr-x[-rw-r--r--]bindings/java/Socket.cpp89
-rw-r--r--bindings/java/org/zmq/Context.java21
-rw-r--r--bindings/java/org/zmq/Socket.java5
4 files changed, 173 insertions, 82 deletions
diff --git a/bindings/java/Context.cpp b/bindings/java/Context.cpp
index d2b5e42..53ef0c9 100644..100755
--- a/bindings/java/Context.cpp
+++ b/bindings/java/Context.cpp
@@ -24,29 +24,29 @@
#include "org_zmq_Context.h"
+static void *fetch_socket (JNIEnv *env, jobject socket);
+
/** Handle to Java's Context::contextHandle. */
static jfieldID ctx_handle_fid = NULL;
/**
* Make sure we have a valid pointer to Java's Context::contextHandle.
*/
-static void ensure_context (JNIEnv *env,
- jobject obj)
+static void ensure_context (JNIEnv *env, jobject obj)
{
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);
+ assert (cls);
+ ctx_handle_fid = env->GetFieldID (cls, "contextHandle", "J");
+ assert (ctx_handle_fid);
+ env->DeleteLocalRef (cls);
}
}
/**
* Get the value of Java's Context::contextHandle.
*/
-static void *get_context (JNIEnv *env,
- jobject obj)
+static void *get_context (JNIEnv *env, jobject obj)
{
ensure_context (env, obj);
void *s = (void*) env->GetLongField (obj, ctx_handle_fid);
@@ -56,9 +56,7 @@ static void *get_context (JNIEnv *env,
/**
* Set the value of Java's Context::contextHandle.
*/
-static void put_context (JNIEnv *env,
- jobject obj,
- void *s)
+static void put_context (JNIEnv *env, jobject obj, void *s)
{
ensure_context (env, obj);
env->SetLongField (obj, ctx_handle_fid, (jlong) s);
@@ -67,8 +65,7 @@ static void put_context (JNIEnv *env,
/**
* Raise an exception that includes 0MQ's error message.
*/
-static void raise_exception (JNIEnv *env,
- int err)
+static void raise_exception (JNIEnv *env, int err)
{
// Get exception class.
jclass exception_class = env->FindClass ("java/lang/Exception");
@@ -88,18 +85,15 @@ static void raise_exception (JNIEnv *env,
* Called to construct a Java Context object.
*/
JNIEXPORT void JNICALL Java_org_zmq_Context_construct (JNIEnv *env,
- jobject obj,
- jint app_threads,
- jint io_threads,
- jint flags)
+ jobject obj, jint app_threads, jint io_threads, jint flags)
{
void *c = get_context (env, obj);
- assert (! c);
+ assert (!c);
c = zmq_init (app_threads, io_threads, flags);
- put_context(env, obj, c);
+ put_context (env, obj, c);
- if (c == NULL) {
+ if (!c) {
raise_exception (env, errno);
return;
}
@@ -109,7 +103,7 @@ JNIEXPORT void JNICALL Java_org_zmq_Context_construct (JNIEnv *env,
* Called to destroy a Java Context object.
*/
JNIEXPORT void JNICALL Java_org_zmq_Context_finalize (JNIEnv *env,
- jobject obj)
+ jobject obj)
{
void *c = get_context (env, obj);
assert (c);
@@ -118,3 +112,107 @@ JNIEXPORT void JNICALL Java_org_zmq_Context_finalize (JNIEnv *env,
put_context (env, obj, NULL);
assert (rc == 0);
}
+
+JNIEXPORT jlong JNICALL Java_org_zmq_Context_poll (JNIEnv *env,
+ jobject obj,
+ jobjectArray socket_0mq,
+ jshortArray event_0mq,
+ jshortArray revent_0mq,
+ jlong timeout)
+{
+ jsize ls_0mq = 0;
+ jsize le_0mq = 0;
+ jsize lr_0mq = 0;
+
+ if (socket_0mq)
+ ls_0mq = env->GetArrayLength (socket_0mq);
+ if (event_0mq)
+ le_0mq = env->GetArrayLength (event_0mq);
+ if (revent_0mq)
+ lr_0mq = env->GetArrayLength (revent_0mq);
+
+ if (ls_0mq != le_0mq || ls_0mq != lr_0mq)
+ return 0;
+
+ jsize ls = ls_0mq;
+ if (ls <= 0)
+ return 0;
+
+ zmq_pollitem_t *pitem = new zmq_pollitem_t [ls];
+ short pc = 0;
+ int rc = 0;
+
+ // Add 0MQ sockets.
+ if (ls_0mq > 0) {
+ jshort *e_0mq = env->GetShortArrayElements (event_0mq, 0);
+ if (e_0mq != NULL) {
+ for (int i = 0; i < ls_0mq; ++i) {
+ jobject s_0mq = env->GetObjectArrayElement (socket_0mq, i);
+ if (!s_0mq)
+ continue;
+ void *s = fetch_socket (env, s_0mq);
+ if (!s)
+ continue;
+ pitem [pc].socket = s;
+ pitem [pc].fd = 0;
+ pitem [pc].events = e_0mq [i];
+ pitem [pc].revents = 0;
+ ++pc;
+ }
+ env->ReleaseShortArrayElements(event_0mq, e_0mq, 0);
+ }
+ }
+
+ if (pc == ls) {
+ pc = 0;
+ long tout = (long) timeout;
+ rc = zmq_poll (pitem, ls, tout);
+ int err = 0;
+ const char *msg = "";
+ if (rc < 0) {
+ err = errno;
+ msg = zmq_strerror (err);
+ }
+ }
+
+ // Set 0MQ results.
+ if (ls_0mq > 0) {
+ jshort *r_0mq = env->GetShortArrayElements (revent_0mq, 0);
+ if (r_0mq) {
+ for (int i = 0; i < ls_0mq; ++i) {
+ r_0mq [i] = pitem [pc].revents;
+ ++pc;
+ }
+ env->ReleaseShortArrayElements(revent_0mq, r_0mq, 0);
+ }
+ }
+
+ delete [] pitem;
+ return rc;
+}
+
+/**
+ * Get the value of socketHandle for the specified Java Socket.
+ */
+static void *fetch_socket (JNIEnv *env, jobject socket)
+{
+ static jmethodID get_socket_handle_mid = NULL;
+
+ if (get_socket_handle_mid == NULL) {
+ jclass cls = env->GetObjectClass (socket);
+ assert (cls);
+ get_socket_handle_mid = env->GetMethodID (cls,
+ "getSocketHandle", "()J");
+ env->DeleteLocalRef (cls);
+ assert (get_socket_handle_mid);
+ }
+
+ void *s = (void*) env->CallLongMethod (socket, get_socket_handle_mid);
+ if (env->ExceptionCheck ()) {
+ s = NULL;
+ }
+
+ assert (s);
+ return s;
+}
+
diff --git a/bindings/java/Socket.cpp b/bindings/java/Socket.cpp
index adea3fa..51c473d 100644..100755
--- a/bindings/java/Socket.cpp
+++ b/bindings/java/Socket.cpp
@@ -32,23 +32,21 @@ static jfieldID socket_handle_fid = NULL;
/**
* Make sure we have a valid pointer to Java's Socket::socketHandle.
*/
-static void ensure_socket (JNIEnv *env,
- jobject obj)
+static void ensure_socket (JNIEnv *env, jobject obj)
{
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);
+ assert (cls);
+ socket_handle_fid = env->GetFieldID (cls, "socketHandle", "J");
+ assert (socket_handle_fid);
+ env->DeleteLocalRef (cls);
}
}
/**
* Get the value of Java's Socket::socketHandle.
*/
-static void *get_socket (JNIEnv *env,
- jobject obj)
+static void *get_socket (JNIEnv *env, jobject obj)
{
ensure_socket (env, obj);
void *s = (void*) env->GetLongField (obj, socket_handle_fid);
@@ -58,42 +56,35 @@ static void *get_socket (JNIEnv *env,
/**
* Set the value of Java's Socket::socketHandle.
*/
-static void put_socket (JNIEnv *env,
- jobject obj,
- void *s)
+static void put_socket (JNIEnv *env, jobject obj, void *s)
{
ensure_socket (env, obj);
env->SetLongField (obj, socket_handle_fid, (jlong) s);
}
/**
- * Get the value of contextHandle for the Java Context associated with
- * this Java Socket object.
+ * Get the value of contextHandle for the specified Java Context.
*/
-static void *fetch_context (JNIEnv *env,
- jobject context)
+static void *fetch_context (JNIEnv *env, jobject context)
{
static jmethodID get_context_handle_mid = NULL;
- if (get_context_handle_mid == NULL) {
+ if (!get_context_handle_mid) {
jclass cls = env->GetObjectClass (context);
- assert (cls);
-
- get_context_handle_mid = env->GetMethodID (cls,
- "getContextHandle",
- "()J");
- env->DeleteLocalRef (cls);
- assert (get_context_handle_mid);
+ assert (cls);
+ get_context_handle_mid = env->GetMethodID (cls,
+ "getContextHandle", "()J");
+ env->DeleteLocalRef (cls);
+ assert (get_context_handle_mid);
}
- void *zmq_ctx = (void*) env->CallLongMethod (context,
- get_context_handle_mid);
+ void *c = (void*) env->CallLongMethod (context, get_context_handle_mid);
if (env->ExceptionCheck ()) {
- zmq_ctx = NULL;
+ c = NULL;
}
- assert (zmq_ctx);
- return zmq_ctx;
+ assert (c);
+ return c;
}
/**
@@ -119,20 +110,18 @@ static void raise_exception (JNIEnv *env, int err)
* Called to construct a Java Socket object.
*/
JNIEXPORT void JNICALL Java_org_zmq_Socket_construct (JNIEnv *env,
- jobject obj,
- jobject context,
- jint type)
+ jobject obj, jobject context, jint type)
{
void *s = get_socket (env, obj);
assert (! s);
- void *zmq_ctx = fetch_context (env, context);
- s = zmq_socket (zmq_ctx, type);
+ void *c = fetch_context (env, context);
+ s = zmq_socket (c, type);
put_socket(env, obj, s);
if (s == NULL) {
raise_exception (env, errno);
- return;
+ return;
}
}
@@ -140,7 +129,7 @@ JNIEXPORT void JNICALL Java_org_zmq_Socket_construct (JNIEnv *env,
* Called to destroy a Java Socket object.
*/
JNIEXPORT void JNICALL Java_org_zmq_Socket_finalize (JNIEnv *env,
- jobject obj)
+ jobject obj)
{
void *s = get_socket (env, obj);
assert (s);
@@ -184,10 +173,7 @@ JNIEXPORT void JNICALL Java_org_zmq_Socket_setsockopt__IJ (JNIEnv *env,
* Called by Java's Socket::setsockopt(int option, String optval).
*/
JNIEXPORT void JNICALL Java_org_zmq_Socket_setsockopt__ILjava_lang_String_2 (
- JNIEnv *env,
- jobject obj,
- jint option,
- jstring optval)
+ JNIEnv *env, jobject obj, jint option, jstring optval)
{
switch (option) {
case ZMQ_IDENTITY:
@@ -219,9 +205,8 @@ JNIEXPORT void JNICALL Java_org_zmq_Socket_setsockopt__ILjava_lang_String_2 (
/**
* Called by Java's Socket::bind(String addr).
*/
-JNIEXPORT void JNICALL Java_org_zmq_Socket_bind (JNIEnv *env,
- jobject obj,
- jstring addr)
+JNIEXPORT void JNICALL Java_org_zmq_Socket_bind (JNIEnv *env, jobject obj,
+ jstring addr)
{
void *s = get_socket (env, obj);
assert (s);
@@ -248,8 +233,7 @@ JNIEXPORT void JNICALL Java_org_zmq_Socket_bind (JNIEnv *env,
* Called by Java's Socket::connect(String addr).
*/
JNIEXPORT void JNICALL Java_org_zmq_Socket_connect (JNIEnv *env,
- jobject obj,
- jstring addr)
+ jobject obj, jstring addr)
{
void *s = get_socket (env, obj);
assert (s);
@@ -276,9 +260,7 @@ JNIEXPORT void JNICALL Java_org_zmq_Socket_connect (JNIEnv *env,
* Called by Java's Socket::send(byte [] msg, long flags).
*/
JNIEXPORT jboolean JNICALL Java_org_zmq_Socket_send (JNIEnv *env,
- jobject obj,
- jbyteArray msg,
- jlong flags)
+ jobject obj, jbyteArray msg, jlong flags)
{
void *s = get_socket (env, obj);
assert (s);
@@ -316,8 +298,7 @@ JNIEXPORT jboolean JNICALL Java_org_zmq_Socket_send (JNIEnv *env,
/**
* Called by Java's Socket::flush().
*/
-JNIEXPORT void JNICALL Java_org_zmq_Socket_flush (JNIEnv *env,
- jobject obj)
+JNIEXPORT void JNICALL Java_org_zmq_Socket_flush (JNIEnv *env, jobject obj)
{
void *s = get_socket (env, obj);
assert (s);
@@ -334,8 +315,7 @@ JNIEXPORT void JNICALL Java_org_zmq_Socket_flush (JNIEnv *env,
* Called by Java's Socket::recv(long flags).
*/
JNIEXPORT jbyteArray JNICALL Java_org_zmq_Socket_recv (JNIEnv *env,
- jobject obj,
- jlong flags)
+ jobject obj, jlong flags)
{
void *s = get_socket (env, obj);
assert (s);
@@ -357,10 +337,9 @@ JNIEXPORT jbyteArray JNICALL Java_org_zmq_Socket_recv (JNIEnv *env,
jbyteArray data = env->NewByteArray (zmq_msg_size (&message));
assert (data);
- env->SetByteArrayRegion (data,
- 0,
- zmq_msg_size (&message),
- (jbyte*) zmq_msg_data (&message));
+ 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
index 1b5ecb4..7a3552b 100644
--- a/bindings/java/org/zmq/Context.java
+++ b/bindings/java/org/zmq/Context.java
@@ -26,6 +26,10 @@ public class Context {
public static final int POLL = 1;
+ public static final int POLLIN = 1;
+ public static final int POLLOUT = 2;
+ public static final int POLLERR = 4;
+
/**
* Class constructor.
*
@@ -36,6 +40,20 @@ public class Context {
construct (appThreads, ioThreads, flags);
}
+ /**
+ * Issue a poll call on the specified 0MQ sockets.
+ * This function is experimental and may change in the future.
+ *
+ * @param socket an array of 0MQ Socket objects to poll.
+ * @param event an array of short values specifying what to poll for.
+ * @param revent an array of short values with the results.
+ * @param timeout the maximum timeout in microseconds.
+ */
+ public native long poll (Socket[] socket,
+ short[] event,
+ short[] revent,
+ long timeout);
+
/** Initialize the JNI interface */
protected native void construct (int appThreads, int ioThreads, int flags);
@@ -50,10 +68,9 @@ public class Context {
* @return the internal 0MQ context handle.
*/
private long getContextHandle () {
- return contextHandle;
+ return contextHandle;
}
-
/** 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
index 84e2c52..851b7b8 100644
--- a/bindings/java/org/zmq/Socket.java
+++ b/bindings/java/org/zmq/Socket.java
@@ -50,7 +50,6 @@ public class Socket {
public static final int SNDBUF = 11;
public static final int RCVBUF = 12;
-
/**
* Class constructor.
*
@@ -127,11 +126,9 @@ public class Socket {
* @return the internal 0MQ socket handle.
*/
private long getSocketHandle () {
- return socketHandle;
+ return socketHandle;
}
-
/** Opaque data used by JNI driver. */
private long socketHandle;
-
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 13:20:05 +0000