Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #ifndef __PJPP_SOCK_HPP__ |
| 21 | #define __PJPP_SOCK_HPP__ |
| 22 | |
| 23 | #include <pj/sock.h> |
| 24 | #include <pj/string.h> |
| 25 | |
| 26 | class Pj_Event_Handler; |
| 27 | |
| 28 | // |
| 29 | // Base class for address. |
| 30 | // |
| 31 | class Pj_Addr |
| 32 | { |
| 33 | }; |
| 34 | |
| 35 | // |
| 36 | // Internet address. |
| 37 | // |
| 38 | class Pj_Inet_Addr : public pj_sockaddr_in, public Pj_Addr |
| 39 | { |
| 40 | public: |
| 41 | // |
| 42 | // Get port number. |
| 43 | // |
| 44 | pj_uint16_t get_port_number() const |
| 45 | { |
| 46 | return pj_sockaddr_in_get_port(this); |
| 47 | } |
| 48 | |
| 49 | // |
| 50 | // Set port number. |
| 51 | // |
| 52 | void set_port_number(pj_uint16_t port) |
| 53 | { |
| 54 | sin_family = PJ_AF_INET; |
| 55 | pj_sockaddr_in_set_port(this, port); |
| 56 | } |
| 57 | |
| 58 | // |
| 59 | // Get IP address. |
| 60 | // |
| 61 | pj_uint32_t get_ip_address() const |
| 62 | { |
| 63 | return pj_sockaddr_in_get_addr(this).s_addr; |
| 64 | } |
| 65 | |
| 66 | // |
| 67 | // Get address string. |
| 68 | // |
| 69 | const char *get_address() const |
| 70 | { |
| 71 | return pj_inet_ntoa(sin_addr); |
| 72 | } |
| 73 | |
| 74 | // |
| 75 | // Set IP address. |
| 76 | // |
| 77 | void set_ip_address(pj_uint32_t addr) |
| 78 | { |
| 79 | sin_family = PJ_AF_INET; |
| 80 | pj_sockaddr_in_set_addr(this, addr); |
| 81 | } |
| 82 | |
| 83 | // |
| 84 | // Set address. |
| 85 | // |
| 86 | pj_status_t set_address(const pj_str_t *addr) |
| 87 | { |
| 88 | return pj_sockaddr_in_set_str_addr(this, addr); |
| 89 | } |
| 90 | |
| 91 | // |
| 92 | // Set address. |
| 93 | // |
| 94 | pj_status_t set_address(const char *addr) |
| 95 | { |
| 96 | pj_str_t s; |
| 97 | return pj_sockaddr_in_set_str_addr(this, pj_cstr(&s, addr)); |
| 98 | } |
| 99 | |
| 100 | // |
| 101 | // Compare for equality. |
| 102 | // |
| 103 | bool operator==(const Pj_Inet_Addr &rhs) const |
| 104 | { |
| 105 | return sin_family == rhs.sin_family && |
| 106 | sin_addr.s_addr == rhs.sin_addr.s_addr && |
| 107 | sin_port == rhs.sin_port; |
| 108 | } |
| 109 | |
| 110 | private: |
| 111 | // |
| 112 | // Dummy length used in pj_ioqueue_recvfrom() etc |
| 113 | // |
| 114 | friend class Pj_Event_Handler; |
| 115 | friend class Pj_Socket; |
| 116 | friend class Pj_Sock_Stream; |
| 117 | friend class Pj_Sock_Dgram; |
| 118 | |
| 119 | int addrlen_; |
| 120 | }; |
| 121 | |
| 122 | |
| 123 | // |
| 124 | // Socket base class. |
| 125 | // |
| 126 | // Note: |
| 127 | // socket will not automatically be closed on destructor. |
| 128 | // |
| 129 | class Pj_Socket |
| 130 | { |
| 131 | public: |
| 132 | // |
| 133 | // Default constructor. |
| 134 | // |
| 135 | Pj_Socket() |
| 136 | : sock_(PJ_INVALID_SOCKET) |
| 137 | { |
| 138 | } |
| 139 | |
| 140 | // |
| 141 | // Initialize from a socket handle. |
| 142 | // |
| 143 | explicit Pj_Socket(pj_sock_t sock) |
| 144 | : sock_(sock) |
| 145 | { |
| 146 | } |
| 147 | |
| 148 | // |
| 149 | // Copy constructor. |
| 150 | // |
| 151 | Pj_Socket(const Pj_Socket &rhs) |
| 152 | : sock_(rhs.sock_) |
| 153 | { |
| 154 | } |
| 155 | |
| 156 | // |
| 157 | // Destructor will not close the socket. |
| 158 | // You must call close() explicitly. |
| 159 | // |
| 160 | ~Pj_Socket() |
| 161 | { |
| 162 | } |
| 163 | |
| 164 | // |
| 165 | // Set socket handle. |
| 166 | // |
| 167 | void set_handle(pj_sock_t sock) |
| 168 | { |
| 169 | sock_ = sock; |
| 170 | } |
| 171 | |
| 172 | // |
| 173 | // Get socket handle. |
| 174 | // |
| 175 | pj_sock_t get_handle() const |
| 176 | { |
| 177 | return sock_; |
| 178 | } |
| 179 | |
| 180 | // |
| 181 | // Get socket handle. |
| 182 | // |
| 183 | pj_sock_t& get_handle() |
| 184 | { |
| 185 | return sock_; |
| 186 | } |
| 187 | |
| 188 | // |
| 189 | // See if the socket is valid. |
| 190 | // |
| 191 | bool is_valid() const |
| 192 | { |
| 193 | return sock_ != PJ_INVALID_SOCKET; |
| 194 | } |
| 195 | |
| 196 | // |
| 197 | // Create the socket. |
| 198 | // |
| 199 | pj_status_t create(int af, int type, int proto) |
| 200 | { |
| 201 | return pj_sock_socket(af, type, proto, &sock_); |
| 202 | } |
| 203 | |
| 204 | // |
| 205 | // Bind socket. |
| 206 | // |
| 207 | pj_status_t bind(const Pj_Inet_Addr &addr) |
| 208 | { |
| 209 | return pj_sock_bind(sock_, &addr, sizeof(Pj_Inet_Addr)); |
| 210 | } |
| 211 | |
| 212 | // |
| 213 | // Close socket. |
| 214 | // |
| 215 | pj_status_t close() |
| 216 | { |
| 217 | pj_sock_close(sock_); |
| 218 | } |
| 219 | |
| 220 | // |
| 221 | // Get peer socket name. |
| 222 | // |
| 223 | pj_status_t getpeername(Pj_Inet_Addr *addr) |
| 224 | { |
| 225 | return pj_sock_getpeername(sock_, addr, &addr->addrlen_); |
| 226 | } |
| 227 | |
| 228 | // |
| 229 | // getsockname |
| 230 | // |
| 231 | pj_status_t getsockname(Pj_Inet_Addr *addr) |
| 232 | { |
| 233 | return pj_sock_getsockname(sock_, addr, &addr->addrlen_); |
| 234 | } |
| 235 | |
| 236 | // |
| 237 | // getsockopt. |
| 238 | // |
| 239 | pj_status_t getsockopt(pj_uint16_t level, pj_uint16_t optname, |
| 240 | void *optval, int *optlen) |
| 241 | { |
| 242 | return pj_sock_getsockopt(sock_, level, optname, optval, optlen); |
| 243 | } |
| 244 | |
| 245 | // |
| 246 | // setsockopt |
| 247 | // |
| 248 | pj_status_t setsockopt(pj_uint16_t level, pj_uint16_t optname, |
| 249 | const void *optval, int optlen) |
| 250 | { |
| 251 | return pj_sock_setsockopt(sock_, level, optname, optval, optlen); |
| 252 | } |
| 253 | |
| 254 | // |
| 255 | // receive data. |
| 256 | // |
| 257 | pj_ssize_t recv(void *buf, pj_size_t len, int flag = 0) |
| 258 | { |
| 259 | pj_ssize_t bytes = len; |
| 260 | if (pj_sock_recv(sock_, buf, &bytes, flag) != PJ_SUCCESS) |
| 261 | return -1; |
| 262 | return bytes; |
| 263 | } |
| 264 | |
| 265 | // |
| 266 | // send data. |
| 267 | // |
| 268 | pj_ssize_t send(const void *buf, pj_ssize_t len, int flag = 0) |
| 269 | { |
| 270 | pj_ssize_t bytes = len; |
| 271 | if (pj_sock_send(sock_, buf, &bytes, flag) != PJ_SUCCESS) |
| 272 | return -1; |
| 273 | return bytes; |
| 274 | } |
| 275 | |
| 276 | // |
| 277 | // connect. |
| 278 | // |
| 279 | pj_status_t connect(const Pj_Inet_Addr &addr) |
| 280 | { |
| 281 | return pj_sock_connect(sock_, &addr, sizeof(Pj_Inet_Addr)); |
| 282 | } |
| 283 | |
| 284 | // |
| 285 | // assignment. |
| 286 | // |
| 287 | Pj_Socket &operator=(const Pj_Socket &rhs) |
| 288 | { |
| 289 | sock_ = rhs.sock_; |
| 290 | return *this; |
| 291 | } |
| 292 | |
| 293 | protected: |
| 294 | friend class Pj_Event_Handler; |
| 295 | pj_sock_t sock_; |
| 296 | }; |
| 297 | |
| 298 | |
| 299 | #if PJ_HAS_TCP |
| 300 | // |
| 301 | // Stream socket. |
| 302 | // |
| 303 | class Pj_Sock_Stream : public Pj_Socket |
| 304 | { |
| 305 | public: |
| 306 | // |
| 307 | // Default constructor. |
| 308 | // |
| 309 | Pj_Sock_Stream() |
| 310 | { |
| 311 | } |
| 312 | |
| 313 | // |
| 314 | // Initialize from a socket handle. |
| 315 | // |
| 316 | explicit Pj_Sock_Stream(pj_sock_t sock) |
| 317 | : Pj_Socket(sock) |
| 318 | { |
| 319 | } |
| 320 | |
| 321 | // |
| 322 | // Copy constructor. |
| 323 | // |
| 324 | Pj_Sock_Stream(const Pj_Sock_Stream &rhs) : Pj_Socket(rhs) |
| 325 | { |
| 326 | } |
| 327 | |
| 328 | // |
| 329 | // Assignment. |
| 330 | // |
| 331 | Pj_Sock_Stream &operator=(const Pj_Sock_Stream &rhs) |
| 332 | { |
| 333 | sock_ = rhs.sock_; |
| 334 | return *this; |
| 335 | } |
| 336 | |
| 337 | // |
| 338 | // listen() |
| 339 | // |
| 340 | pj_status_t listen(int backlog = 5) |
| 341 | { |
| 342 | return pj_sock_listen(sock_, backlog); |
| 343 | } |
| 344 | |
| 345 | // |
| 346 | // blocking accept() |
| 347 | // |
| 348 | Pj_Sock_Stream accept(Pj_Inet_Addr *remote_addr = NULL) |
| 349 | { |
| 350 | pj_sock_t newsock; |
| 351 | int *addrlen = remote_addr ? &remote_addr->addrlen_ : NULL; |
| 352 | pj_status_t status; |
| 353 | |
| 354 | status = pj_sock_accept(sock_, &newsock, remote_addr, addrlen); |
| 355 | if (status != PJ_SUCCESS) |
| 356 | return Pj_Sock_Stream(-1); |
| 357 | |
| 358 | return Pj_Sock_Stream(newsock); |
| 359 | } |
| 360 | |
| 361 | // |
| 362 | // shutdown() |
| 363 | // |
| 364 | pj_status_t shutdown(int how = PJ_SHUT_RDWR) |
| 365 | { |
| 366 | return pj_sock_shutdown(sock_, how); |
| 367 | } |
| 368 | |
| 369 | }; |
| 370 | #endif |
| 371 | |
| 372 | // |
| 373 | // Datagram socket. |
| 374 | // |
| 375 | class Pj_Sock_Dgram : public Pj_Socket |
| 376 | { |
| 377 | public: |
| 378 | // |
| 379 | // Default constructor. |
| 380 | // |
| 381 | Pj_Sock_Dgram() |
| 382 | { |
| 383 | } |
| 384 | |
| 385 | // |
| 386 | // Initialize from a socket handle. |
| 387 | // |
| 388 | explicit Pj_Sock_Dgram(pj_sock_t sock) |
| 389 | : Pj_Socket(sock) |
| 390 | { |
| 391 | } |
| 392 | |
| 393 | // |
| 394 | // Copy constructor. |
| 395 | // |
| 396 | Pj_Sock_Dgram(const Pj_Sock_Dgram &rhs) |
| 397 | : Pj_Socket(rhs) |
| 398 | { |
| 399 | } |
| 400 | |
| 401 | // |
| 402 | // Assignment. |
| 403 | // |
| 404 | Pj_Sock_Dgram &operator=(const Pj_Sock_Dgram &rhs) |
| 405 | { |
| 406 | Pj_Socket::operator =(rhs); |
| 407 | return *this; |
| 408 | } |
| 409 | |
| 410 | // |
| 411 | // recvfrom() |
| 412 | // |
| 413 | pj_ssize_t recvfrom( void *buf, pj_size_t len, int flag = 0, |
| 414 | Pj_Inet_Addr *fromaddr = NULL) |
| 415 | { |
| 416 | pj_ssize_t bytes = len; |
| 417 | int *addrlen = fromaddr ? &fromaddr->addrlen_ : NULL; |
| 418 | if (pj_sock_recvfrom( sock_, buf, &bytes, flag, |
| 419 | fromaddr, addrlen) != PJ_SUCCESS) |
| 420 | { |
| 421 | return -1; |
| 422 | } |
| 423 | return bytes; |
| 424 | } |
| 425 | |
| 426 | // |
| 427 | // sendto() |
| 428 | // |
| 429 | pj_ssize_t sendto( const void *buf, pj_size_t len, int flag, |
| 430 | const Pj_Inet_Addr &addr) |
| 431 | { |
| 432 | pj_ssize_t bytes = len; |
| 433 | if (pj_sock_sendto( sock_, buf, &bytes, flag, |
| 434 | &addr, sizeof(pj_sockaddr_in)) != PJ_SUCCESS) |
| 435 | { |
| 436 | return -1; |
| 437 | } |
| 438 | return bytes; |
| 439 | } |
| 440 | }; |
| 441 | |
| 442 | |
| 443 | #endif /* __PJPP_SOCK_HPP__ */ |
| 444 | |