diff options
Diffstat (limited to 'pjlib-util/include/pjlib-util/stun_simple.h')
| -rw-r--r-- | pjlib-util/include/pjlib-util/stun_simple.h | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/pjlib-util/include/pjlib-util/stun_simple.h b/pjlib-util/include/pjlib-util/stun_simple.h index 3d10379..a0b1b69 100644 --- a/pjlib-util/include/pjlib-util/stun_simple.h +++ b/pjlib-util/include/pjlib-util/stun_simple.h @@ -1,4 +1,4 @@ -/* $Id: stun_simple.h 3553 2011-05-05 06:14:19Z nanang $ */ +/* $Id: stun_simple.h 4224 2012-08-09 05:21:25Z nanang $ */ /* * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> @@ -199,6 +199,81 @@ PJ_DECL(pj_status_t) pjstun_get_mapped_addr( pj_pool_factory *pf, const pj_str_t *srv2, int port2, pj_sockaddr_in mapped_addr[]); + +/* + * This structre describes configurable setting for requesting mapped address. + */ +typedef struct pjstun_setting +{ + /** + * Specifies whether STUN request generated by old STUN library should + * insert magic cookie (specified in RFC 5389) in the transaction ID. + */ + pj_bool_t use_stun2; + + /** + * Host name or IP address string of the first STUN server. + */ + pj_str_t srv1; + + /** + * The port number of the first STUN server. + */ + int port1; + + /** + * Host name or IP address string of the second STUN server. + */ + pj_str_t srv2; + + /** + * The port number of the second STUN server. + */ + int port2; + +} pjstun_setting; + + +/** + * Another version of mapped address resolution of local sockets to multiple + * STUN servers configured in #pjstun_setting. This function is able to find + * the mapped addresses of multiple sockets simultaneously, and for each + * socket, two requests will be sent to two different STUN servers to see if + * both servers get the same public address for the same socket. (Note that + * application can specify the same address for the two servers, but still + * two requests will be sent for each server). + * + * This function will perform necessary retransmissions of the requests if + * response is not received within a predetermined period. When all responses + * have been received, the function will compare the mapped addresses returned + * by the servers, and when both are equal, the address will be returned in + * \a mapped_addr argument. + * + * @param pf The pool factory where memory will be allocated from. + * @param opt The STUN settings. + * @param sock_cnt Number of sockets in the socket array. + * @param sock Array of local UDP sockets which public addresses are + * to be queried from the STUN servers. + * @param mapped_addr Array to receive the mapped public address of the local + * UDP sockets, when the function returns PJ_SUCCESS. + * + * @return This functions returns PJ_SUCCESS if responses are + * received from all servers AND all servers returned the + * same mapped public address. Otherwise this function may + * return one of the following error codes: + * - PJLIB_UTIL_ESTUNNOTRESPOND: no respons from servers. + * - PJLIB_UTIL_ESTUNSYMMETRIC: different mapped addresses + * are returned by servers. + * - etc. + * + */ +PJ_DECL(pj_status_t) pjstun_get_mapped_addr2( pj_pool_factory *pf, + const pjstun_setting *opt, + int sock_cnt, + pj_sock_t sock[], + pj_sockaddr_in mapped_addr[]); + + PJ_END_DECL /** |