| 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 | |
| 20 | #include <stdio.h> |
| 21 | #include <errno.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <unistd.h> |
| 24 | #include <sys/types.h> |
| 25 | #include <sys/socket.h> |
| 26 | #include <sys/un.h> |
| 27 | #include <sys/time.h> |
| 28 | #include <arpa/inet.h> |
| 29 | #include <netinet/in.h> |
| 30 | #include <netdb.h> |
| 31 | #include <fcntl.h> |
| 32 | #include <time.h> |
| 33 | #include <pwd.h> |
| 34 | #include <grp.h> |
| 35 | |
| 36 | #include <sstream> |
| 37 | |
| 38 | #include "socket_client.hxx" |
| 39 | #include "t2n_exception.hxx" |
| 40 | |
| 41 | using namespace std; |
| 42 | |
| 43 | namespace libt2n |
| 44 | { |
| 45 | |
| 46 | socket_client_connection::socket_client_connection(const std::string& _server, int _port, int _max_retries) |
| 47 | : client_connection(), socket_handler(0,tcp_s) |
| 48 | { |
| 49 | max_retries=_max_retries; |
| 50 | |
| 51 | server=_server; |
| 52 | port=_port; |
| 53 | |
| 54 | connect(); |
| 55 | } |
| 56 | |
| 57 | socket_client_connection::socket_client_connection(const std::string& _path, int _max_retries) |
| 58 | : client_connection(), socket_handler(0,unix_s) |
| 59 | { |
| 60 | max_retries=_max_retries; |
| 61 | |
| 62 | path=_path; |
| 63 | |
| 64 | connect(); |
| 65 | } |
| 66 | |
| 67 | void socket_client_connection::connect() |
| 68 | { |
| 69 | if (get_type() == unix_s) |
| 70 | { |
| 71 | struct sockaddr_un unix_addr; |
| 72 | |
| 73 | unix_addr.sun_family = AF_UNIX; |
| 74 | strcpy (unix_addr.sun_path, path.c_str()); |
| 75 | |
| 76 | sock = socket(PF_UNIX, SOCK_STREAM, 0); |
| 77 | if (!sock) |
| 78 | throw t2n_connect_error(string("socket() error: ")+strerror(errno)); |
| 79 | |
| 80 | if (::connect(sock,(struct sockaddr *) &unix_addr, sizeof(unix_addr))) |
| 81 | throw t2n_connect_error(string("connect() error: ")+strerror(errno)); |
| 82 | } |
| 83 | else if (get_type() == tcp_s) |
| 84 | { |
| 85 | struct sockaddr_in sock_addr; |
| 86 | |
| 87 | sock_addr.sin_family = AF_INET; |
| 88 | sock_addr.sin_port = htons(port); |
| 89 | |
| 90 | // find the target ip |
| 91 | if (inet_aton(server.c_str(),&sock_addr.sin_addr)==0) |
| 92 | { |
| 93 | struct hostent *server_hent; |
| 94 | server_hent=gethostbyname(server.c_str()); |
| 95 | if (server_hent == NULL) |
| 96 | throw t2n_connect_error(string("can't find server ")+server); |
| 97 | |
| 98 | memcpy(&sock_addr.sin_addr,server_hent->h_addr_list[0],sizeof(sock_addr.sin_addr)); |
| 99 | } |
| 100 | |
| 101 | sock = socket(PF_INET, SOCK_STREAM, 0); |
| 102 | if (!sock) |
| 103 | throw t2n_connect_error(string("socket() error: ")+strerror(errno)); |
| 104 | |
| 105 | if (::connect(sock,(struct sockaddr *) &sock_addr, sizeof(sock_addr))) |
| 106 | throw t2n_connect_error(string("connect() error: ")+strerror(errno)); |
| 107 | } |
| 108 | else |
| 109 | throw t2n_connect_error(string("invalid connection type")); |
| 110 | |
| 111 | set_socket_options(sock); |
| 112 | |
| 113 | do_callbacks(new_connection); |
| 114 | } |
| 115 | |
| 116 | void socket_client_connection::close() |
| 117 | { |
| 118 | if (!client_connection::is_closed()) |
| 119 | { |
| 120 | socket_handler::close(); |
| 121 | client_connection::close(); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | } |