Files
ServerCore/TCPSocket.h
T
Brad Arant 701d03dcd9 Fix TLS read/write dispatch on tls branch
TCPSocket inherits from both Socket and TLS, both declaring receiveData()
as unrelated sibling methods - only Socket::receiveData was virtual, so
TLS::receiveData (SSL_read) was never reached regardless of TLS config,
and even when reached its result was never forwarded to onDataReceived
(that call was commented out). Added an explicit TCPSocket::receiveData
override dispatching to TLS::receiveData or Socket::receiveData based on
tlsInfo, and completed TLS::receiveData to actually return/forward the
decrypted bytes.

Write path did not exist at all. Added Socket::sendData() as a new
virtual hook mirroring receiveData, routed Socket::writeSocket() through
it instead of a raw ::write(), added TLS::sendData() (SSL_write, same
error-handling style as the existing TLS methods), and TCPSocket::sendData()
dispatching the same way the read side does.

Also fixed: a queued write in writeSocket() was being popped off the fifo
as if sent even when shutDown was true and nothing was actually written;
removed a dead empty if(tlsInfo){} stub in onDataReceived, no longer
needed now dispatch happens one level up; replaced leftover debug
std::cout lines with proper Log() calls matching the rest of the file.

Verified via full local compile: all 20 .cpp files build clean, link
into libServerCore.a, and nm confirms the new/fixed symbols are correctly
defined in the right object files.
2026-08-22 19:51:08 -07:00

142 lines
4.0 KiB
C++

#ifndef __TCPSocket_h__
#define __TCPSocket_h__
#include "Socket.h"
#include "TLS.h"
#include "TLSInfo.h"
#include "IPAddress.h"
namespace core {
///
/// TCPSocket
///
/// Provides a network TCP socket.
///
/// For accessing TCP network functions use this object. The connection oriented nature of TCP
/// provides a single client persistent connection with data error correction and a durable
/// synchronous data connection.
///
class TCPSocket : public Socket, public TLS {
public:
///
///
///
TCPSocket(EPoll &ePoll);
///
///
///
TCPSocket(EPoll &ePoll, std::string text);
///
///
///
TCPSocket(EPoll &ePoll, TLSInfo *tlsInfo, std::string text);
///
///
///
TCPSocket(EPoll &ePoll, SSL_CTX *ctx, std::string text);
///
///
///
virtual ~TCPSocket();
///
///
///
void connect(IPAddress &address);
IPAddress ipAddress;
///
/// The output method is called by a socket session (TCPSession) and
/// will output the detail information for the client socket. When extending
/// TCPSocket or TCPSession you can override the method to add attributes
/// to the list.
///
virtual void output(std::stringstream &out);
///
/// Override this method to receive data directly from the socket as data is
/// received. If you need data split by line termination characters then
/// override the onLineReceived method instead.
///
virtual void onDataReceived(coreutils::ZString &data) override;
///
/// Override the onLineReceived method to receive a string of characters that
/// represents a single line of data terminated by a LF or CRLF. If onDataReceived
/// was overriden this method will not be called unless the onDataReceived calls
/// this method explicitly using the class and member name.
///
virtual void onLineReceived(coreutils::ZString &line);
///
/// Override the onBlockReceived method to receive a string of characters that
/// represents a single block of data of length determined by the block length value. If
/// onDataReceived was overriden this method will not be called unless the onDataReceived
/// calls this method explicitly using the class and member name.
///
virtual void onBlockReceived(coreutils::ZString &block);
///
/// Use setBlockSize to set the amount of data that should be read at once from the
/// session data buffer.
/// If this value is set to 0 then the data will be retrieved
///
void setBlockSize(int size = 0);
///
/// Dispatches to TLS::receiveData (SSL_read) when this socket was constructed with a
/// TLSInfo/SSL_CTX, otherwise falls back to Socket::receiveData (plain ::read). Needed
/// because Socket and TLS both declare receiveData as unrelated sibling methods -
/// Socket::receiveData is virtual but TLS::receiveData does not override it, so without
/// this explicit override TLS::receiveData would never be reached and encrypted bytes
/// would be handed to onDataReceived as if they were plaintext.
///
virtual void receiveData(coreutils::ZString &buffer) override;
///
/// Dispatches to TLS::sendData (SSL_write) when this socket was constructed with a
/// TLSInfo/SSL_CTX, otherwise falls back to Socket::sendData (plain ::write). Mirrors
/// the receiveData override above for the write path.
///
virtual int sendData(const char *data, int length) override;
protected:
bool term = false;
TLSInfo *tlsInfo;
private:
char *lineBuffer = NULL;
int lineBufferSize = 0;
int lineLength = 0;
int blockLength = 0;
int blockSize = 0;
};
}
#endif