a3eb2ccd0a
Can now send and receive raw data over TcpSockets for communicating with other protocols, such as HTTP. Fixed TcpSocket::close only calling close() if the connection isn't open (gg wp)
119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
//
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// Created by fred on 06/12/16.
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//
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#ifndef FRNETLIB_TCPSOCKET_H
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#define FRNETLIB_TCPSOCKET_H
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#include <memory>
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#include "Socket.h"
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namespace fr
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{
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#define RECV_CHUNK_SIZE 1024 //How much data to try and recv at once
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class TcpSocket : public Socket
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{
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public:
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TcpSocket() noexcept;
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virtual ~TcpSocket() noexcept;
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TcpSocket(TcpSocket &&) noexcept = default;
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void operator=(const TcpSocket &other)=delete;
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/*!
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* Send a packet through the socket
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*
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* @param packet The packet to send
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* @return True on success, false on failure.
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*/
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virtual Status send(const Packet &packet);
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/*!
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* Receive a packet through the socket
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*
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* @param packet The packet to receive
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* @return True on success, false on failure.
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*/
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virtual Status receive(Packet &packet);
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/*!
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* Close the connection.
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*/
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virtual void close();
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/*!
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* Connects the socket to an address.
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*
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* @param address The address of the socket to connect to
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* @param port The port of the socket to connect to
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* @return A Socket::Status indicating the status of the operation.
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*/
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virtual Socket::Status connect(const std::string &address, const std::string &port);
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/*!
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* Sets the socket file descriptor.
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*
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* @param descriptor The socket descriptor.
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*/
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void set_descriptor(int descriptor);
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/*!
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* Checks to see if we're connected to a socket or not
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*
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* @return True if it's connected. False otherwise.
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*/
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inline bool connected() const
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{
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return is_connected;
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}
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/*!
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* Attempts to send raw data down the socket, without
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* any of frnetlib's framing. Useful for communicating through
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* different protocols.
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*
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* @param data The data to send.
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* @param size The number of bytes, from data to send. Be careful not to overflow.
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* @return The status of the operation.
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*/
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Status send_raw(const char *data, size_t size);
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/*!
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* Receives raw data from the socket, without any of
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* frnetlib's framing. Useful for communicating through
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* different protocols. This will attempt to read 'data_size'
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* bytes, but might not succeed. It'll return how many bytes were actually
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* read in 'received'.
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*
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* @param data Where to store the received data.
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* @param data_size The number of bytes to try and receive. Be sure that it's not larger than data.
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* @param received Will be filled with the number of bytes actually received, might be less than you requested.
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* @return The status of the operation, if the socket has disconnected etc.
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*/
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Status receive_raw(void *data, size_t data_size, size_t &received);
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private:
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/*!
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* Reads size bytes into dest from the socket.
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* Unlike receive_raw, this will keep trying
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* to receive data until 'size' bytes have been
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* read, or the client has disconnected/there was
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* an error.
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*
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* @param dest Where to read the data into
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* @param size The number of bytes to read
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* @return Operation status.
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*/
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Status receive_all(void *dest, size_t size);
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std::string unprocessed_buffer;
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std::unique_ptr<char[]> recv_buffer;
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bool is_connected;
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};
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}
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#endif //FRNETLIB_TCPSOCKET_H
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