void IClient::handleBinary(ByteArray &piece, string &str, shared_ptr<Invoke> &invoke, size_t size)
{
if (piece.getPosition() >= size)
return;
ByteArray *byteArray = nullptr;
size_t position = piece.getPosition();
size_t param_index = 0;
//FIND WHICH PARAMETER IS BINARY
for (size_t i = 0; i < invoke->size(); i++)
if (invoke->at(i)->getType() == "ByteArray")
{
const ByteArray &ba = invoke->at(i)->referValue<ByteArray>();
if (ba.size() < ba.capacity())
{
param_index = i;
byteArray = (ByteArray*)&ba;
break;
}
}
//IF THERE'S NOT BINARY TYPE
if(byteArray == nullptr)
return;
//CALCULATE SIZE
size_t totalSize = byteArray->capacity();
size_t leftSize = totalSize - byteArray->size();
size_t writeSize = std::min(size - position, leftSize);
//AND WRITES
byteArray->insert
(
byteArray->end(),
piece.begin() + position, piece.begin() + (position + writeSize)
);
piece.setPosition( position + writeSize );
// IF NOT FULFILLED, RETURNS
if (byteArray->size() < byteArray->capacity())
return;
//IF LAST BINARY
for(size_t i = param_index + 1; i < invoke->size(); i++)
if(invoke->at(i)->getType() == "ByteArray")
return;
// SHIFTS
_replyData(invoke);
//IS LAST BINARY, THEN CLEAR
invoke.reset();
//IF BYTES ARE LEFT, CALL HANDLE_STRING
handleString(piece, str, invoke, size);
}
int Work::handleMsg(unsigned short id, ByteArray &ba, int fd)
{
cout<< "Protocol id: "<< id << endl;
switch(id)
{
case 100://--login
struct LoginRecvMsg loginRecv;
memset(&loginRecv, 0, sizeof(loginRecv));
memcpy(&loginRecv, &ba.buf[ba.getPosition()], sizeof(loginRecv));
cout<<"UserInfo: "<<loginRecv.userID<<" "<<loginRecv.password<<endl;
ba.plusPosition(sizeof(loginRecv));
cout<<"position is: "<<ba.getPosition() << " available is: "<<ba.getBytesAvailable() << endl;
verifyUserData(loginRecv, fd);
// cout<< ba.readUTFBytes(100) << endl;
// cout<< ba.readUTFBytes(100) << endl;
break;
case 200://--register
struct RegRecvMsg RegRecv;
memset(&RegRecv, 0, sizeof(RegRecv));
memcpy(&RegRecv, &ba.buf[ba.getPosition()], sizeof(RegRecv));
cout<<"UserInfo: "<<RegRecv.userID<<" "<<RegRecv.password<<endl;
ba.plusPosition(sizeof(RegRecv));
cout<<"position is: "<<ba.getPosition() << " available is: "<<ba.getBytesAvailable() << endl;
verifyRegEvent(RegRecv, fd);
break;
case 300://--friend list
struct FriendListRecvMsg friendListRecv;
memset(&friendListRecv, 0, sizeof(friendListRecv));
memcpy(&friendListRecv, &ba.buf[ba.getPosition()], sizeof(friendListRecv));
cout<<"UserID: "<<friendListRecv.userID<<endl;
ba.plusPosition(sizeof(FriendListRecvMsg));
cout<<"position is: "<<ba.getPosition() << " available is: "<<ba.getBytesAvailable() << endl;
sendFriendList(friendListRecv,fd);
break;
case 500://---message
struct SendMessageRecvMsg recvMsg;
memset(&recvMsg, 0, sizeof(recvMsg));
memcpy(&recvMsg, &ba.buf[ba.getPosition()], ba.getBytesAvailable());
cout<<"Send User ID: "<<recvMsg.senderUserID << " Recive User ID: "<<recvMsg.receiverUserID << " Message Info: "<<recvMsg.messageInfo<<endl;
ba.plusPosition(ba.getBytesAvailable());
cout<<"position is: "<<ba.getPosition() << " available is: "<<ba.getBytesAvailable() << endl;
handleRecvMsgInfo(recvMsg, fd);
break;
default:
cout<<"Unkonwn Protocol " << id << endl;
break;
}
return 0;
}
void IClient::handleString(ByteArray &piece, string &str, shared_ptr<Invoke> &baInvoke, size_t size)
{
static size_t CLOSED_PARENTHESIS = string("</invoke>").size();
if (piece.getPosition() >= size)
return;
// LIST OF INVOKE MESSAGES
list<shared_ptr<Invoke>> invokeList;
// READ STRING
string &pieceString = piece.read<string>();
str.append(pieceString);
WeakString wstr = str;
vector<WeakString> &wstrArray = wstr.betweens("<invoke ", "</invoke>");
for (size_t i = 0; i < wstrArray.size(); i++)
{
string &message = "<invoke " + wstrArray[i].str() + "</invoke>";
shared_ptr<Invoke> invoke( new Invoke() );
invoke->construct(make_shared<XML>(message));
invokeList.push_back(invoke);
}
/*list<shared_ptr<Invoke>> invokeList;
pair<size_t, size_t> posPair = {-1, -1};
pair<size_t, size_t> sizePair = {0, 0};
pair<size_t, size_t> indexPair = {0, 0};
size_t endIndex = -1;
while (true)
{
// FIND WORDS
pair<size_t, size_t> myPair =
{
str.find("<invoke ", indexPair.first),
str.find("</invoke>", indexPair.second)
};
// COUNTS
if (myPair.first != -1)
{
sizePair.first++;
indexPair.first = myPair.first + string("<invoke ").size();
}
if (myPair.second != -1)
{
sizePair.second++;
indexPair.second = myPair.second + string("</invoke>").size();
}
// IF AN INVOKE MESSAGE HAS FOUND
if (sizePair.first == sizePair.second && sizePair.first != 0)
{
if (posPair.first == -1 && posPair.second == -1)
posPair = myPair;
else
posPair.second = myPair.second;
endIndex = posPair.second + string("</invoke>").size();
WeakString wstr(str.data() + posPair.first, str.data() + endIndex);
shared_ptr<XML> xml(new XML(wstr));
shared_ptr<Invoke> invoke(new Invoke());
invoke->construct(xml);
cout << invoke->toXML()->toString() << endl;
invokeList.push_back(invoke);
posPair = { -1, -1 };
}
else if (myPair.first != -1 && posPair.first == -1)
posPair.first = myPair.first;
}*/
//BASIC DATA
/*list<shared_ptr<Invoke>> invokeList;
unique_ptr<pair<size_t, size_t>> indexPair(nullptr);
pair<size_t, size_t> sizePair = {0, 0};
size_t startIndex = 0;
size_t endIndex = 0;
while (true)
{
//FIND WORDS
pair<size_t, size_t> iPair =
{
str.find("<invoke ", startIndex),
str.find("</invoke>", endIndex)
};
//COUNTS
if (iPair.first != -1) sizePair.first++;
if (iPair.second != -1) sizePair.second++;
//IF IT MEANS THE START,
if (indexPair.get() != nullptr && sizePair.first == 0)
{
//SPECIFY THE STARTING INDEX
indexPair.reset(new pair<size_t, size_t>(iPair.first, string::npos));
}
//FAILED TO FIND NOTHING
if(iPair.first == string::npos || iPair.second == string::npos)
break;
//AN INVOKE HAS FOUND
if(indexPair.get() != nullptr && sizePair.first == sizePair.second)
{
//INDEX
size_t start = indexPair->first;
size_t end = indexPair->second + string("</invoke>").size();
//CONSTRUCT INVOKE
shared_ptr<XML> xml(new XML(str.substr(start, end - start)));
shared_ptr<Invoke> invoke(new Invoke());
invoke->construct(xml);
invokeList.push_back(invoke);
//CLEAR CURRENT INEX PAIR
endIndex = end;
indexPair.reset(nullptr);
}
//ADJUST INDEX
startIndex = (iPair.second == string::npos) ?
iPair.first + 1 : iPair.second + 1;
}
//ERASE USED CHARACTERS
if (endIndex != string::npos)
str = str.substr(endIndex);*/
if (invokeList.empty() == true)
return;
/*str = str.substr(endIndex);
cout << "#" << invokeList.size() << endl;*/
// CUT USED STRING
str = move(str.substr(str.rfind("</invoke>") + CLOSED_PARENTHESIS));
//CALL REPLY_DATA
auto last_it = --invokeList.end();
for (auto it = invokeList.begin(); it != last_it; it++)
_replyData(*it);
//TEST WHETHER THE LAST CONTAINS BINARY DATA
shared_ptr<Invoke> &lastInvoke = *last_it;
for (size_t i = 0; i < lastInvoke->size(); i++)
{
//IF HAS, TO HANDLE_BINARY
if (lastInvoke->at(i)->getType() == "ByteArray")
{
baInvoke = lastInvoke;
piece.setPosition
(
piece.getPosition() -
(pieceString.size() - (pieceString.rfind("</invoke>") + CLOSED_PARENTHESIS))
);
//HANDLING LEFT BINARY PIECE
handleBinary(piece, str, baInvoke, size);
return;
}
}
//ELSE, DOES NOT HAVE, CALL REPLY_DATA
_replyData(lastInvoke);
}
/* -----------------------------------------------------------------------
LISTEN MESSAGE
----------------------------------------------------------------------- */
void IWebClientBase::listen()
{
shared_ptr<Invoke> binaryInvoke;
// CLIENT ADDS MASK
unsigned char mask = DIRECTION() == SERVER ? 128 : 0;
while (true)
{
ByteArray piece;
boost::system::error_code error;
piece.assign(BUFFER_SIZE(), NULL);
socket->read_some(boost::asio::buffer(piece), error);
while (piece.getPosition() != piece.size())
{
if (error)
return;
// GET TYPE
unsigned char typeHeader = piece.read<unsigned char>();
if (piece.leftSize() == 0)
continue;
// GET SIZE TYPE
unsigned char sizeHeader = piece.read<unsigned char>() - mask;
if (piece.leftSize() == 0)
continue;
// GET SIZE
size_t size = 125;
if (sizeHeader == 126)
{
if (piece.leftSize() < sizeof(unsigned short))
listenMoreBytes(piece, error);
if (error)
break;
size = (size_t)piece.readReversely<unsigned short>();
}
else if (sizeHeader == 127)
{
if (piece.leftSize() < sizeof(unsigned long long))
listenMoreBytes(piece, error);
if (error)
break;
size = (size_t)piece.readReversely<unsigned long long>();
}
// GET DATA FOLLOWING TYPE
if (typeHeader == (unsigned char)129)
binaryInvoke = listenString(size, piece, error);
else if (typeHeader == (unsigned char)130 && binaryInvoke != nullptr)
listenBinary(size, piece, binaryInvoke, error);
else
break;
}
}
}
//多客户端拼包和粘包不知道怎么处理。以后解决。
int Work::recvSocket(int fd)
{
ByteArray ba;
int ret = 0;
int recvSize = -1;
unsigned int totalRecv = 0;
do
{
recvSize = recv(fd, ba.buf, sizeof(ba.buf), 0);
cout << "recvSize:: "<<recvSize<<endl;
if(recvSize > 0)
{
totalRecv += recvSize;
}
ba.setBytesAvailable(totalRecv);
ba.setBufLen(totalRecv);
}while(recvSize > 0);
//假如消息是从头开始接收的
//假如不足四个字节 则不知道怎么处理，所以先要缓存起来
cout<< "total:: "<<ba.getBufLen()<<endl;
if(ba.getBufLen() >= 4)//取得消息头和消息长度 等于4的时候是空消息
{
len = ba.readUnsignedShort();//取得长度
cout<<"len:: "<<len<<endl;
head = ba.readUnsignedShort();//取得协议号
cout<<"head:: "<<head<<endl;
if( ba.getBufLen() >= len )//包含了至少一条完整的消息
{
cout<<"position is: "<<ba.getPosition() << " available is: "<<ba.getBytesAvailable() << endl;
handleMsg(head, ba, fd);
}
}
if(recvSize < 0)
{
if(errno == EINTR)//还要继续再读
{
cout<<"ERRNO IS EINTR"<<endl;
ret = 1;
}
else if(errno == EAGAIN)
{
cout<<"ERRNO IS EINTR"<<endl;
ret = 1;
}
else
{
cout<<"socket listen failed ! " << strerror(errno) << endl;
ret = - 1;
}
}
else if(recvSize == 0)//正常退出
{
cout<<"socket closed failed ! " << strerror(errno) << endl;
ret = 0;
}
else
{
ret = 1;
}
return ret;
}
