| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2006 by Gerd v. Egidy * |
| 3 | * gve@intra2net.com * |
| 4 | * * |
| 5 | * This library is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU Lesser General Public License version * |
| 7 | * 2.1 as published by the Free Software Foundation. * |
| 8 | * * |
| 9 | * This library is distributed in the hope that it will be useful, * |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 12 | * GNU Lesser General Public License for more details. * |
| 13 | * * |
| 14 | * You should have received a copy of the GNU Lesser General Public * |
| 15 | * License along with this program; if not, write to the * |
| 16 | * Free Software Foundation, Inc., * |
| 17 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
| 18 | ***************************************************************************/ |
| 19 | #ifndef __LIBT2N_SOCKET_SERVER |
| 20 | #define __LIBT2N_SOCKET_SERVER |
| 21 | |
| 22 | #include <sys/types.h> |
| 23 | #include <string> |
| 24 | |
| 25 | #include "server.hxx" |
| 26 | #include "socket_handler.hxx" |
| 27 | #include "types.hxx" |
| 28 | |
| 29 | namespace libt2n |
| 30 | { |
| 31 | |
| 32 | class socket_server_connection; |
| 33 | |
| 34 | /** @brief Socket based server class |
| 35 | |
| 36 | Use this class to instantiate a server listening for client connections. |
| 37 | Call fill_buffer() to read data from the network and get_packet() to retrieve |
| 38 | this data. Don't forget to call cleanup() from time to time to remove closed |
| 39 | connections and close idle ones. |
| 40 | */ |
| 41 | class socket_server : public socket_handler, public server |
| 42 | { |
| 43 | friend class socket_server_connection; |
| 44 | |
| 45 | private: |
| 46 | fd_set connection_set; |
| 47 | std::string unix_path; |
| 48 | |
| 49 | void start_listening(); |
| 50 | |
| 51 | void new_connection(); |
| 52 | |
| 53 | bool fill_connection_buffers(); |
| 54 | void remove_connection_socket(int sock); |
| 55 | |
| 56 | protected: |
| 57 | std::ostream* get_logstream(log_level_values level) |
| 58 | { return server::get_logstream(level); } |
| 59 | |
| 60 | public: |
| 61 | socket_server(int port, const std::string& ip="0.0.0.0"); |
| 62 | socket_server(const std::string& path, mode_t filemode=00770, const std::string& user="", const std::string& group=""); |
| 63 | |
| 64 | ~socket_server(); |
| 65 | |
| 66 | bool fill_buffer(long long usec_timeout=-1,long long* usec_timeout_remaining=NULL); |
| 67 | }; |
| 68 | |
| 69 | /** @brief Socket based connection |
| 70 | |
| 71 | This class is used within a socket_server to represent the connection to each client. |
| 72 | */ |
| 73 | class socket_server_connection : public socket_handler, public server_connection |
| 74 | { |
| 75 | friend class socket_server; |
| 76 | |
| 77 | private: |
| 78 | socket_server_connection(int _sock, socket_type_value _stype, int _timeout) |
| 79 | : server_connection(_timeout), socket_handler(_sock,_stype) |
| 80 | { } |
| 81 | |
| 82 | std::ostream* get_logstream(log_level_values level) |
| 83 | { return server_connection::get_logstream(level); } |
| 84 | |
| 85 | void real_write(const std::string& data) |
| 86 | { socket_write(data); } |
| 87 | |
| 88 | public: |
| 89 | bool fill_buffer(long long usec_timeout=-1,long long* usec_timeout_remaining=NULL) |
| 90 | { return socket_handler::fill_buffer(buffer,usec_timeout,usec_timeout_remaining); } |
| 91 | |
| 92 | void close(); |
| 93 | }; |
| 94 | |
| 95 | } |
| 96 | |
| 97 | #endif |