BufferPtr
serializeMsg(const Msg& msg)
{
int size = msg.ByteSize();
BufferPtr bytes = std::make_shared<Buffer>(size);
msg.SerializeToArray(bytes->buf(), size);
return bytes;
}
void SocketClient::sendPackage(void)
{
Msg msg;
Packer::packLua2Protobuf(LuaEngine::getInstance()->getLuaStack()->getLuaState(),&msg);
static union
{
struct
{
int packageLen;
int flags;
int seqId;
int crc32;
char data[1];
};
char ssssssssss[SocketClientSendBufferLength];
}sPackage;
int protobufLength = msg.ByteSize();
CCAssert(protobufLength <= sizeof(sPackage),"发送缓冲区将溢出！");
msg.SerializeToArray(sPackage.ssssssssss,SocketClientSendBufferLength);
int flags = FLAG_COMPRESSED; // 开启加密
int encryptLength;
void* encryptData;
if(isCompressed(flags))
{
encryptData = Encrypt::encryptForNet(&encryptLength,sPackage.ssssssssss,protobufLength,(rand()<<16) + (rand()&0xFFFF));
}
else
{
encryptData = Encrypt::doXorForNet(&encryptLength,sPackage.ssssssssss,protobufLength,(rand()<<16) + (rand()&0xFFFF));
}
CCAssert(encryptLength <= SocketClientSendBufferLength-16,"发送缓冲区将溢出！");
memcpy(sPackage.data,encryptData,encryptLength); //todo可优化，不拷贝。
delete[]((char*)encryptData);
sPackage.packageLen = htonl(encryptLength+12);
sPackage.flags = htonl(flags);
sPackage.seqId = htonl(_sendSequenceNumber);
_sendSequenceNumber+=SEQUENCE_NUMBER_INCREMENT;
sPackage.crc32 = htonl(crc32(sPackage.data,encryptLength,0));
int nLen = send(&sPackage,encryptLength+16);
CCAssert(nLen == encryptLength+16,"");
CCLOG(__FUNCTION__);
}