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implement non-blocking socket connections

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This commit is contained in:
Joel Dice 2009-10-08 16:26:20 -06:00
parent 77fb0083a4
commit 59ba4aecf2
3 changed files with 38 additions and 5 deletions
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31
classpath/java-nio.cpp
View File

@ -36,6 +36,7 @@
#define java_nio_channels_SelectionKey_OP_READ 1L
#define java_nio_channels_SelectionKey_OP_WRITE 4L
#define java_nio_channels_SelectionKey_OP_CONNECT 8L
#define java_nio_channels_SelectionKey_OP_ACCEPT 16L
#ifdef PLATFORM_WINDOWS
@ -371,6 +372,21 @@ Java_java_nio_channels_SocketChannel_natDoConnect(JNIEnv *e,
return s;
}
extern "C" JNIEXPORT jboolean JNICALL
Java_java_nio_channels_SocketChannel_natFinishConnect(JNIEnv *e,
jclass,
jint socket)
{
int error;
socklen_t size = sizeof(int);
int r = getsockopt(socket, SOL_SOCKET, SO_ERROR,
reinterpret_cast<char*>(&error), &size);
if (r != 0 or size != sizeof(int) or error != 0) {
throwIOException(e);
}
return true;
}
extern "C" JNIEXPORT jint JNICALL
Java_java_nio_channels_SocketChannel_natRead(JNIEnv *e,
jclass,
@ -626,7 +642,8 @@ Java_java_nio_channels_SocketSelector_natSelectUpdateInterestSet(JNIEnv *,
FD_CLR(static_cast<unsigned>(socket), &(s->read));
}
if (interest & java_nio_channels_SelectionKey_OP_WRITE) {
if (interest & (java_nio_channels_SelectionKey_OP_WRITE |
java_nio_channels_SelectionKey_OP_CONNECT)) {
FD_SET(static_cast<unsigned>(socket), &(s->write));
if (max < socket) max = socket;
} else {
@ -748,10 +765,16 @@ Java_java_nio_channels_SocketSelector_natUpdateReadySet(JNIEnv *, jclass,
}
}
if ((interest & java_nio_channels_SelectionKey_OP_WRITE)
and FD_ISSET(socket, &(s->write))) {
ready |= java_nio_channels_SelectionKey_OP_WRITE;
if (FD_ISSET(socket, &(s->write))) {
if (interest & java_nio_channels_SelectionKey_OP_WRITE) {
ready |= java_nio_channels_SelectionKey_OP_WRITE;
}
if (interest & java_nio_channels_SelectionKey_OP_CONNECT) {
ready |= java_nio_channels_SelectionKey_OP_CONNECT;
}
}
return ready;
}

6
classpath/java/nio/channels/SelectionKey.java
View File

@ -13,8 +13,8 @@ package java.nio.channels;
public class SelectionKey {
public static final int OP_READ = 1 << 0;
public static final int OP_WRITE = 1 << 2;
public static final int OP_CONNECT = 1 << 3;
public static final int OP_ACCEPT = 1 << 4;
// public static final int OP_CONNECT = 1 << 3;
private final SelectableChannel channel;
private final Selector selector;
@ -57,6 +57,10 @@ public class SelectionKey {
return (readyOps & OP_WRITE) != 0;
}
public boolean isConnectable() {
return (readyOps & OP_CONNECT) != 0;
}
public boolean isAcceptable() {
return (readyOps & OP_ACCEPT) != 0;
}

6
classpath/java/nio/channels/SocketChannel.java
View File

@ -58,6 +58,10 @@ public class SocketChannel extends SelectableChannel
return connected;
}
public boolean finishConnect() throws IOException {
return natFinishConnect(socket);
}
public void close() throws IOException {
if (isOpen()) {
super.close();
@ -126,6 +130,8 @@ public class SocketChannel extends SelectableChannel
private static native int natDoConnect(String host, int port, boolean blocking, boolean[] connected)
throws IOException;
private static native boolean natFinishConnect(int socket)
throws IOException;
private static native int natRead(int socket, byte[] buffer, int offset, int length)
throws IOException;
private static native int natWrite(int socket, byte[] buffer, int offset, int length)