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Redkale
2020-04-17 11:08:30 +08:00
parent a88285d935
commit 758972890e
2 changed files with 38 additions and 27 deletions
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61
src/org/redkale/net/http/WebSocketPacket.java
View File

@@ -392,7 +392,7 @@ public final class WebSocketPacket {
WebSocketPacket decodePacket(final Logger logger, final WebSocketRunner runner, final WebSocket webSocket, final int wsmaxbody,
final AbstractMap.SimpleEntry<String, byte[]> halfBytes, final ByteBuffer buffer) {
//开始
final boolean debug = false; //调试开关
final boolean debug = true; //调试开关
if (debug) logger.log(Level.FINEST, "read websocket message's length = " + buffer.remaining());
if (!buffer.hasRemaining()) return NONE;
if (buffer.remaining() < 2) {
@@ -402,8 +402,8 @@ public final class WebSocketPacket {
return NONE;
}
final byte opcode = buffer.get(); //第一个字节
this.last = (opcode & 0b1000_0000) != 0;
this.type = FrameType.valueOf(opcode & 0xF);
this.last = (opcode & 0B1000_0000) != 0;
this.type = FrameType.valueOf(opcode & 0B0000_1111);
//0x00 表示一个后续帧
//0x01 表示一个文本帧
@@ -413,17 +413,17 @@ public final class WebSocketPacket {
//0x9 表示一个ping
//0xA 表示一个pong
//0x0B-0F 为以后的控制帧保留
final boolean control = (opcode & 0b0000_1000) != 0; //是否控制帧
this.receiveCompress = !control && webSocket.deflater != null && (opcode & 0b0100_0000) != 0; //rsv1 为 1
final boolean control = (opcode & 0B0000_1000) != 0; //是否控制帧
this.receiveCompress = !control && webSocket.inflater != null && (opcode & 0B0100_0000) != 0; //rsv1 为 1
if (type == FrameType.CLOSE) {
if (debug) logger.log(Level.FINEST, " receive close command from websocket client");
}
if (type == null) {
logger.log(Level.SEVERE, " receive unknown frametype(opcode=" + (opcode & 0xF) + ") from websocket client");
logger.log(Level.SEVERE, " receive unknown frametype(opcode=" + (opcode & 0B0000_1111) + ") from websocket client");
}
final boolean checkrsv = false;//暂时不校验
if (checkrsv && (opcode & 0b0111_0000) != 0) {
if (checkrsv && (opcode & 0B0111_0000) != 0) {
if (debug) logger.log(Level.FINE, "rsv1 rsv2 rsv3 must be 0, but not (" + opcode + ")");
return null; //rsv1 rsv2 rsv3 must be 0
}
@@ -432,6 +432,7 @@ public final class WebSocketPacket {
byte lengthCode = crcode;
final boolean masked = (lengthCode & 0x80) == 0x80;
if (masked) lengthCode ^= 0x80; //mask
if (debug) logger.log(Level.FINEST, " receive type=" + type + ", control=" + control + ", opcode=" + opcode + ", masked=" + masked + ", remaining=" + buffer.remaining());
//判断Buffer剩余内容够不够基本信息的创建
int minBufferLength = ((lengthCode <= 0x7D) ? 0 : (lengthCode == 0x7E ? 2 : 4)) + (masked ? 4 : 0);
@@ -441,6 +442,7 @@ public final class WebSocketPacket {
bs[1] = crcode;
buffer.get(bs, 2, buffer.remaining());
halfBytes.setValue(bs);
if (debug) logger.log(Level.FINEST, " receive not enough buffer，length =" + bs.length);
return NONE;
}
@@ -506,15 +508,18 @@ public final class WebSocketPacket {
if (selfType == FrameType.TEXT) {
Convert textConvert = webSocket.getTextConvert();
if (textConvert == null || (!runner.mergemsg && (series || !this.last))) {
this.receiveMessage = new String(this.getReceiveBytes(webSocket, buffers), StandardCharsets.UTF_8);
this.receiveMessage = new String(this.getReceiveBytes(webSocket, selfType, buffers), StandardCharsets.UTF_8);
this.receiveType = MessageType.STRING;
} else {
if (this.last || !runner.mergemsg) {
if (runner.currSeriesMergeMessage == null && !this.receiveCompress) {
this.receiveMessage = textConvert.convertFrom(webSocket._messageTextType, this.receiveMasker, buffers);
if (runner.currSeriesMergeMessage == null) {
if (this.receiveCompress) {
this.receiveMessage = textConvert.convertFrom(webSocket._messageTextType, this.getReceiveBytes(webSocket, selfType, buffers));
} else {
this.receiveMessage = textConvert.convertFrom(webSocket._messageTextType, this.receiveMasker, buffers);
}
} else {
if (runner.currSeriesMergeMessage == null) runner.currSeriesMergeMessage = new ByteArray();
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, buffers));
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, selfType, buffers));
try {
this.receiveMessage = textConvert.convertFrom(webSocket._messageTextType, runner.currSeriesMergeMessage.getBytes());
} finally {
@@ -523,7 +528,7 @@ public final class WebSocketPacket {
}
} else {
if (runner.currSeriesMergeMessage == null) runner.currSeriesMergeMessage = new ByteArray();
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, buffers));
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, selfType, buffers));
this.receiveMessage = MESSAGE_NIL;
}
this.receiveCount = this.receiveLength;
@@ -532,15 +537,18 @@ public final class WebSocketPacket {
} else if (selfType == FrameType.BINARY) {
Convert binaryConvert = webSocket.getBinaryConvert();
if (binaryConvert == null || (!runner.mergemsg && (series || !this.last))) {
this.receiveMessage = this.getReceiveBytes(webSocket, buffers);
this.receiveMessage = this.getReceiveBytes(webSocket, selfType, buffers);
this.receiveType = MessageType.BYTES;
} else {
if (this.last || !runner.mergemsg) {
if (runner.currSeriesMergeMessage == null && !this.receiveCompress) {
this.receiveMessage = binaryConvert.convertFrom(webSocket._messageTextType, this.receiveMasker, buffers);
if (runner.currSeriesMergeMessage == null) {
if (this.receiveCompress) {
this.receiveMessage = binaryConvert.convertFrom(webSocket._messageTextType, this.getReceiveBytes(webSocket, selfType, buffers));
} else {
this.receiveMessage = binaryConvert.convertFrom(webSocket._messageTextType, this.receiveMasker, buffers);
}
} else {
if (runner.currSeriesMergeMessage == null) runner.currSeriesMergeMessage = new ByteArray();
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, buffers));
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, selfType, buffers));
try {
this.receiveMessage = binaryConvert.convertFrom(webSocket._messageTextType, runner.currSeriesMergeMessage.getBytes());
} finally {
@@ -549,20 +557,20 @@ public final class WebSocketPacket {
}
} else {
if (runner.currSeriesMergeMessage == null) runner.currSeriesMergeMessage = new ByteArray();
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, buffers));
runner.currSeriesMergeMessage.write(this.getReceiveBytes(webSocket, selfType, buffers));
this.receiveMessage = MESSAGE_NIL;
}
this.receiveCount = this.receiveLength;
this.receiveType = MessageType.OBJECT;
}
} else if (selfType == FrameType.PING) {
this.receiveMessage = this.getReceiveBytes(webSocket, buffers);
this.receiveMessage = this.getReceiveBytes(webSocket, selfType, buffers);
this.receiveType = MessageType.BYTES;
} else if (selfType == FrameType.PONG) {
this.receiveMessage = this.getReceiveBytes(webSocket, buffers);
this.receiveMessage = this.getReceiveBytes(webSocket, selfType, buffers);
this.receiveType = MessageType.BYTES;
} else if (selfType == FrameType.CLOSE) {
this.receiveMessage = this.getReceiveBytes(webSocket, buffers);
this.receiveMessage = this.getReceiveBytes(webSocket, selfType, buffers);
this.receiveType = MessageType.BYTES;
}
}
@@ -571,7 +579,7 @@ public final class WebSocketPacket {
return this.receiveLength <= this.receiveCount;
}
byte[] getReceiveBytes(WebSocket webSocket, ByteBuffer... buffers) {
byte[] getReceiveBytes(WebSocket webSocket, FrameType frameType, ByteBuffer... buffers) {
final int length = this.receiveLength;
if (length == 0) return new byte[0];
byte[] bs = new byte[length];
@@ -589,9 +597,9 @@ public final class WebSocketPacket {
bs[i] = mask.unmask(bs[i]);
}
}
if (this.receiveCompress) {
Inflater inflater = new Inflater(true);
if (bs.length > 6 && this.receiveCompress && (frameType == FrameType.BINARY || frameType == FrameType.TEXT || frameType == FrameType.SERIES)) {
Inflater inflater = webSocket.inflater;
inflater.reset();
ByteArrayOutputStream baos = new ByteArrayOutputStream(bs.length);
inflater.setInput(Utility.append(bs, EOM_BYTES));
byte[] buff = new byte[1024];
@@ -603,6 +611,7 @@ public final class WebSocketPacket {
}
return baos.toByteArray();
} catch (Exception ex) {
ex.printStackTrace();
return bs;
}
}

4
src/org/redkale/net/http/WebSocketServlet.java
View File

@@ -98,6 +98,8 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
//同RestWebSocket.cryptor, 变量名不可改， 被Rest.createRestWebSocketServlet用到
protected Cryptor cryptor;
protected boolean permessageDeflate = false;
@Resource(name = "jsonconvert")
protected Convert jsonConvert;
@@ -211,7 +213,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
webSocket._remoteAddress = request.getRemoteAddress();
webSocket._remoteAddr = request.getRemoteAddr();
webSocket._sncpAddress = this.node.localSncpAddress;
if (request.getHeader("Sec-WebSocket-Extensions", "").contains("permessage-deflate")) {
if (this.permessageDeflate && request.getHeader("Sec-WebSocket-Extensions", "").contains("permessage-deflate")) {
webSocket.deflater = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
webSocket.inflater = new Inflater(true);
}