public void dispatchMsg(RpcMessage m)
{
lock (_messages) {
_messages.Add(m);
_read_ev.Set();
}
}
// static int count = 0;
public void dispatchMsg(RpcMessage m)
{
if ((m.calltype & RpcMessage.CALL) != 0){
if (_adapter != null){
_adapter.dispatchMsg(m);
}
}
if ((m.calltype & RpcMessage.RETURN) != 0){
this.doReturnMsg(m);
}
}
//消息进入communicator调度执行
internal void dispatchMsg(RpcMessage m)
{
_dispatcher.dispatchMsg(m);
}
//处理在此adapter内产生的消息
/*
public void onConnectionMessage(RpcMessage m) {
if (_dispatcher != null) {
_dispatcher.dispatchMsg(m);
}
}
* */
void doError(int errcode, RpcMessage m)
{
RpcMessageReturn msgreturn = new RpcMessageReturn(m.sequence,errcode);
msgreturn.send(m.conn);
// RpcConnection conn = m.conn;
/*
var sm:RpcMessageReturn = new RpcMessageReturn();
sm.sequence = m.sequence;
sm.errcode = errcode;
conn.sendMessage(sm);
*/
}
public void dispatchMsg(RpcMessage m)
{
RpcServantDelegate dg = null;
if ((m.calltype & RpcMessage.CALL) != 0) {
lock (_servants) {
if (!_servants.ContainsKey(m.ifidx)) {
doError( RpcException.RPCERROR_INTERFACE_NOTFOUND,m);
return;
}
dg = _servants[m.ifidx];
}
try {
RpcMessage msgreturn = dg.invoke(m);
if (msgreturn != null) {
m.conn.sendMessage(msgreturn);
}
}
catch (Exception e) {
RpcCommunicator.instance().logger.error(" execute servant failed:" + e.ToString());
doError(RpcException.RPCERROR_REMOTEMETHOD_EXCEPTION,m);
}
}
}
protected override bool sendDetail(RpcMessage m)
{
_unsent_msglist.Add(m);
if (!isConnected) {
if (_status == ConnectStatus.STOPPED) {
connect();
}
return true;
}
sendBufferredMsg();
return true;
}
protected override bool sendDetail(RpcMessage m)
{
if ( !isConnected) {
if (!connect()) {
return false;
}
}
if (_sent_num == 0) { //第一次连接进入之后的第一个数据包需要携带令牌和设备标识码，用于接入服务器的验证
if (_token != null && !_token.Equals("")) {
m.extra.setPropertyValue("__token__",_token);
m.extra.setPropertyValue("__device_id__", RpcCommunicator.getSystemDeviceID());
}
}
//byte[] body = null;
//body = ((MemoryStream) m.marshall()).ToArray();
byte[] bytes = createMsgBody(m).ToArray();
_sock.Send(bytes);
_sent_num++;
return true;
}
public virtual RpcMessage invoke(RpcMessage m)
{
return(null);
}
public virtual bool invoke(RpcMessage m)
{
return(true);
}
protected ReturnValue parsePacket(MemoryStream stream)
{
/***
* magic,packet_size,compress,encrypt,version,content
* packet_size: all fields size except magic.
*
*/
List <RpcMessage> msglist = new List <RpcMessage>();
BinaryReader reader = new BinaryReader(stream);
long size = stream.Length;
while (size > 0)
{
if (size < META_PACKET_HDR_SIZE)
{
return(new ReturnValue(ReturnValue.NEED_MORE, msglist, stream));
}
uint magic = (uint)IPAddress.NetworkToHostOrder(reader.ReadInt32());
uint pktsize = (uint)IPAddress.NetworkToHostOrder(reader.ReadInt32());
byte compress = reader.ReadByte();
byte encrypt = reader.ReadByte();
uint version = (uint)IPAddress.NetworkToHostOrder(reader.ReadInt32());
if (magic != PACKET_META_MAGIC)
{
return(new ReturnValue(ReturnValue.DATA_DIRTY, msglist, stream));
}
if (pktsize > MAX_PACKET_SIZE)
{
return(new ReturnValue(ReturnValue.DATA_DIRTY, msglist, stream));
}
if (size <= META_PACKET_HDR_SIZE - 4)
{
return(new ReturnValue(ReturnValue.DATA_DIRTY, msglist, stream));
}
if (size < pktsize + 4)
{
return(new ReturnValue(ReturnValue.NEED_MORE, msglist, stream));
}
size -= META_PACKET_HDR_SIZE;
uint content_size = pktsize - (META_PACKET_HDR_SIZE - 4);
Stream s = new MemoryStream(reader.ReadBytes((int)content_size));
size -= content_size;
//decompress stream
if (compress == RpcConstValue.COMPRESS_ZLIB)
{
s = new DeflateStream(s, CompressionMode.Decompress);
}
else if (compress == RpcConstValue.COMPRESS_BZIP2)
{
// nothing.
}
RpcMessage m = RpcMessage.unmarshall(s);
if (m == null)
{
return(new ReturnValue(ReturnValue.DATA_DIRTY, msglist, stream));
}
m.conn = this;
msglist.Add(m);
}
return(new ReturnValue(ReturnValue.SUCC, msglist, stream));
}
public virtual bool sendMessage(RpcMessage m)
{
if( (m.calltype&RpcMessage.CALL)!=0 && (m.calltype&RpcMessage.ONEWAY) == 0 ){
m.conn = this;
//请求 Communicator 进行调度
RpcCommunicator.instance().enqueueMessage(m.sequence, m);
}
bool r = false;
lock (this) {
r = sendDetail(m);
}
if (!r){ //发送失败，清除队列消息
if ((m.calltype & RpcMessage.CALL) != 0 && (m.calltype & RpcMessage.ONEWAY) == 0){
RpcCommunicator.instance().dequeueMessage(m.sequence);
}
}
return r;
}
protected virtual bool sendDetail(RpcMessage m)
{
return false;
}
protected virtual void onMessage(RpcMessage m)
{
if ( _adapter == null &&_acceptor != null && _acceptor.adapter!=null) { // the connection from acceptor
_adapter = _acceptor.adapter;
}
if (_adapter != null && _adapter.dispatcher!=null) { //由adapter的线程执行
_adapter.dispatcher.dispatchMsg(m);
}
else { //由全局通信器进行调度执行
RpcCommunicator.instance().dispatchMsg(m);
}
}
protected virtual void doReturnMsg(RpcMessage m2)
{
RpcMessage m1 = null;
// count+=1;
m1 = RpcCommunicator.instance().dequeueMessage(m2.sequence);
if(m1!=null){
if(m1.async !=null){
// it will raise exception in user callback function
try {
if (m2.errcode != RpcException.RPCERROR_SUCC) {
// remote exception
//m1.async.ctx.exception = new RpcException(m2.errcode);
if (m1.async.promise != null) {
RpcAsyncContext ctx = new RpcAsyncContext();
ctx.promise = m1.async.promise;
ctx.exception = new RpcException(m2.errcode);
m1.async.promise.onError( ctx );
}
else {
m1.async.onError(m2.errcode);
}
}
else {
m1.async.callReturn(m1, m2);
}
}
catch (Exception e) {
RpcCommunicator.instance().logger.error("User CallBack failed: m1.async.callReturn ." + e.ToString());
}
}else{
lock(m1){
m1.result = m2; // assing to init-caller
//m1.notify();
m1.ev.Set();
}
}
}
}
public virtual RpcMessage invoke(RpcMessage m) {
return null;
}
/**
* 将接收到的Rpc消息推入处理队列，等待线程读取
*
*/
internal RpcCommunicator enqueueMessage(int sequence, RpcMessage m)
{
lock (_cachedMsgList) {
m.issuetime = Utility.unixTimestamp(DateTime.Now);
_cachedMsgList.Add(sequence,m);
}
return this;
}
//消息进入communicator调度执行
internal void dispatchMsg(RpcMessage m)
{
_dispatcher.dispatchMsg(m);
}
public virtual void callReturn(RpcMessage m1, RpcMessage m2)
{
}
protected virtual bool sendDetail(RpcMessage m)
{
return(false);
}
//从二进制流中反序列化出对象RpcMessage
public static RpcMessage unmarshall(Stream stream)
{
RpcMessage m = new RpcMessage();
BinaryReader reader = new BinaryReader(stream);
try {
m.type = RpcBinarySerializer.readByte(reader);
m.sequence = RpcBinarySerializer.readInt(reader);
m.calltype = RpcBinarySerializer.readByte(reader);
m.ifidx = RpcBinarySerializer.readShort(reader);
m.opidx = RpcBinarySerializer.readShort(reader);
m.errcode = RpcBinarySerializer.readInt(reader);
m.paramsize = RpcBinarySerializer.readByte(reader);
m.call_id = RpcBinarySerializer.readShort(reader);
if (m.extra.unmarshall(stream) == false) {
return null;
}
m.paramstream = reader.ReadBytes( (int)(stream.Length - stream.Position) );
}
catch (Exception e) {
RpcCommunicator.instance().logger.error(e.ToString());
m = null;
}
return m;
}
public virtual void callReturn(RpcMessage m1, RpcMessage m2)
{
}
protected MemoryStream createMsgBody(RpcMessage m)
{
//byte[] hdrbBytes = null;
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
MemoryStream bodystream = (MemoryStream) m.marshall();
byte[] bytes = bodystream.ToArray();
unchecked
{
writer.Write((uint)IPAddress.HostToNetworkOrder((int)PACKET_META_MAGIC));
}
writer.Write((uint)IPAddress.HostToNetworkOrder(bytes.Length + META_PACKET_HDR_SIZE - 4));
writer.Write((byte)RpcConstValue.COMPRESS_NONE);
writer.Write((byte)RpcConstValue.ENCRYPT_NONE);
writer.Write((uint)IPAddress.HostToNetworkOrder(VERSION));
writer.Write(bytes);
//hdrbBytes = stream.ToArray();
//return hdrbBytes;
return stream;
}
