#include "client.hxx"
#include "socket_handler.hxx"
+struct sockaddr;
+
namespace libt2n
{
+/** @brief a connection from client to server using sockets.
-class socket_client_connection : public client_connection, socket_handler
+ Use this class to connect from a client to a server.
+ */
+class socket_client_connection : public client_connection, public socket_handler
{
+ public:
+ static const int max_retries_default=3;
+ static const long long connect_timeout_usec_default=30000000;
+
private:
void real_write(const std::string& data)
- { socket_handler::write(data); }
+ { socket_write(data); }
+
+ void tcp_connect(int max_retries);
+ void unix_connect(int max_retries);
+ void connect_with_timeout(struct sockaddr *sock_addr,unsigned int sockaddr_size);
+
+ int max_retries;
+ long long connect_timeout_usec;
+
+ std::string path;
+ std::string server;
+ int port;
+
+ std::string lastErrorMsg;
+
+ protected:
+
+ std::ostream* get_logstream(log_level_values level)
+ { return client_connection::get_logstream(level); }
public:
- socket_client_connection(int port, const char* ip="0.0.0.0");
- socket_client_connection(const char* path, mode_t filemode, const char* user="", const char* group="");
+ socket_client_connection(int _port, const std::string& _server="127.0.0.1",
+ long long _connect_timeout_usec=connect_timeout_usec_default,
+ int _max_retries=max_retries_default,
+ std::ostream *_logstream=NULL, log_level_values _log_level=none);
+ socket_client_connection(const std::string& _path,
+ long long _connect_timeout_usec=connect_timeout_usec_default,
+ int _max_retries=max_retries_default,
+ std::ostream *_logstream=NULL, log_level_values _log_level=none);
- void fill_buffer(long long usec_timeout=-1)
- { socket_handler::fill_buffer(buffer,usec_timeout); }
+ /** @brief read data from the socket and copy it into buffer
+ @param usec_timeout wait until new data is found, max timeout usecs.
+ -1: wait endless
+ 0: return instantly
+ @param usec_timeout_remaining if non-NULL the function will write the
+ not used time to the given target
+ @retval true if new data was found (does not mean that the received data
+ is a complete packet though)
+ */
+ bool fill_buffer(long long usec_timeout=-1, long long *usec_timeout_remaining=NULL)
+ { return socket_handler::fill_buffer(buffer,usec_timeout,usec_timeout_remaining); }
void close();
+
+ void reconnect();
+
+ std::string get_last_error_msg(void)
+ { return lastErrorMsg; }
};
}