use spaces instead of tab
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john30
+100
-100
@@ -38,140 +38,140 @@ using std::string;
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* class for low level tcp socket operations. (open, close, send, receive).
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*/
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class TCPSocket {
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public:
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/** grant access for friend class TCPClient */
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friend class TCPClient;
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public:
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/** grant access for friend class TCPClient */
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friend class TCPClient;
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/** grant access for friend class TCPServer */
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friend class TCPServer;
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/** grant access for friend class TCPServer */
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friend class TCPServer;
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/**
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* destructor.
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*/
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~TCPSocket() { close(m_sfd); }
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/**
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* destructor.
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*/
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~TCPSocket() { close(m_sfd); }
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/**
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* write bytes to opened file descriptor.
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* @param buffer data to send.
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* @param len number of bytes to send.
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* @return number of written bytes or -1 if an error has occured.
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*/
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ssize_t send(const char* buffer, size_t len) { return ::send(m_sfd, buffer, len, MSG_NOSIGNAL); }
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/**
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* write bytes to opened file descriptor.
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* @param buffer data to send.
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* @param len number of bytes to send.
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* @return number of written bytes or -1 if an error has occured.
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*/
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ssize_t send(const char* buffer, size_t len) { return ::send(m_sfd, buffer, len, MSG_NOSIGNAL); }
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/**
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* read bytes from opened file descriptor.
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* @param buffer for received bytes.
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* @param len size of the receive buffer.
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* @return number of read bytes or -1 if an error has occured.
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*/
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ssize_t recv(char* buffer, size_t len) { return ::recv(m_sfd, buffer, len, 0); }
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/**
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* read bytes from opened file descriptor.
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* @param buffer for received bytes.
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* @param len size of the receive buffer.
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* @return number of read bytes or -1 if an error has occured.
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*/
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ssize_t recv(char* buffer, size_t len) { return ::recv(m_sfd, buffer, len, 0); }
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/**
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* returns the tcp port.
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* @return the tcp port.
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*/
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uint16_t getPort() const { return m_port; }
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/**
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* returns the tcp port.
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* @return the tcp port.
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*/
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uint16_t getPort() const { return m_port; }
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/**
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* returns the ip address.
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* @return the ip address.
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*/
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string getIP() const { return m_ip; }
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/**
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* returns the ip address.
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* @return the ip address.
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*/
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string getIP() const { return m_ip; }
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/**
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* returns the file descriptor.
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* @return the file descriptor.
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*/
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int getFD() const { return m_sfd; }
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/**
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* returns the file descriptor.
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* @return the file descriptor.
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*/
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int getFD() const { return m_sfd; }
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/**
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* returns status of file descriptor.
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* @return true if file descriptor is valid.
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*/
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bool isValid();
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/**
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* returns status of file descriptor.
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* @return true if file descriptor is valid.
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*/
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bool isValid();
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private:
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/** file descriptor from tcp socket */
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int m_sfd;
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private:
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/** file descriptor from tcp socket */
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int m_sfd;
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/** port of tcp socket */
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uint16_t m_port;
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/** port of tcp socket */
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uint16_t m_port;
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/** ip address of tcp socket */
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string m_ip;
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/** ip address of tcp socket */
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string m_ip;
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/**
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* private constructor, limited access only for friend classes.
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* @param sfd the file desctriptor of tcp socket.
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* @param address struct which holds the ip address.
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*/
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TCPSocket(int sfd, struct sockaddr_in* address);
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/**
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* private constructor, limited access only for friend classes.
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* @param sfd the file desctriptor of tcp socket.
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* @param address struct which holds the ip address.
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*/
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TCPSocket(int sfd, struct sockaddr_in* address);
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};
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/**
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* class to initiate a tcp socket connection to a listening server.
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*/
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class TCPClient {
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public:
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/**
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* initiate a tcp socket connection to a listening server.
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* @param server the server name or ip address to connect.
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* @param port the tcp port.
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* @return pointer to an opened tcp socket.
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*/
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TCPSocket* connect(const string& server, const uint16_t& port);
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public:
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/**
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* initiate a tcp socket connection to a listening server.
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* @param server the server name or ip address to connect.
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* @param port the tcp port.
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* @return pointer to an opened tcp socket.
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*/
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TCPSocket* connect(const string& server, const uint16_t& port);
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};
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/**
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* class for a tcp based network server.
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*/
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class TCPServer {
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public:
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/**
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* creates a new instance of a listening tcp server.
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* @param port the tcp port.
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* @param address the ip address.
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*/
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TCPServer(const uint16_t port, const string address)
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: m_lfd(0), m_port(port), m_address(address), m_listening(false) {}
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public:
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/**
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* creates a new instance of a listening tcp server.
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* @param port the tcp port.
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* @param address the ip address.
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*/
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TCPServer(const uint16_t port, const string address)
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: m_lfd(0), m_port(port), m_address(address), m_listening(false) {}
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/**
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* destructor.
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*/
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~TCPServer() { if (m_lfd > 0) {close(m_lfd);} }
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/**
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* destructor.
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*/
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~TCPServer() { if (m_lfd > 0) {close(m_lfd);} }
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/**
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* start listening of tcp socket.
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* @return result of low level functions.
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*/
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int start();
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/**
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* start listening of tcp socket.
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* @return result of low level functions.
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*/
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int start();
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/**
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* accept an incoming tcp connection and create a local tcp socket for communication.
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* @return pointer to an opened tcp socket.
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*/
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TCPSocket* newSocket();
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/**
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* accept an incoming tcp connection and create a local tcp socket for communication.
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* @return pointer to an opened tcp socket.
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*/
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TCPSocket* newSocket();
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/**
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* returns the file descriptor.
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* @return the file descriptor.
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*/
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int getFD() const { return m_lfd; }
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/**
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* returns the file descriptor.
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* @return the file descriptor.
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*/
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int getFD() const { return m_lfd; }
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private:
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/** file descriptor from listening tcp socket */
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int m_lfd;
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private:
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/** file descriptor from listening tcp socket */
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int m_lfd;
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/** listening tcp port */
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uint16_t m_port;
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/** listening tcp port */
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uint16_t m_port;
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/** listening tcp socket ip address */
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string m_address;
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/** listening tcp socket ip address */
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string m_address;
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/** true if object is already listening */
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bool m_listening;
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/** true if object is already listening */
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bool m_listening;
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};
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#endif // LIB_UTILS_TCPSOCKET_H_
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