Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 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 __PJSIP_TRANSPORT_LOOP_H__ |
| 21 | #define __PJSIP_TRANSPORT_LOOP_H__ |
| 22 | |
| 23 | |
| 24 | /** |
| 25 | * @file sip_transport_loop.h |
| 26 | * @brief |
| 27 | * Loopback transport (for debugging) |
| 28 | */ |
| 29 | |
| 30 | |
| 31 | #include <pjsip/sip_transport.h> |
| 32 | |
| 33 | /** |
| 34 | * @defgroup PJSIP_TRANSPORT_LOOP Loop Transport |
| 35 | * @ingroup PJSIP_TRANSPORT |
| 36 | * @brief Loopback transport (for testing purposes). |
| 37 | * @{ |
| 38 | * The loopback transport simply bounce back outgoing messages as |
| 39 | * incoming messages. This feature is used mostly during automated |
| 40 | * testing, to provide controlled behavior. |
| 41 | */ |
| 42 | |
| 43 | PJ_BEGIN_DECL |
| 44 | |
| 45 | /** |
| 46 | * Create and start datagram loop transport. |
| 47 | * |
| 48 | * @param endpt The endpoint instance. |
| 49 | * @param transport Pointer to receive the transport instance. |
| 50 | * |
| 51 | * @return PJ_SUCCESS on success. |
| 52 | */ |
| 53 | PJ_DECL(pj_status_t) pjsip_loop_start( pjsip_endpoint *endpt, |
| 54 | pjsip_transport **transport); |
| 55 | |
| 56 | |
| 57 | /** |
| 58 | * Enable/disable flag to discard any packets sent using the specified |
| 59 | * loop transport. |
| 60 | * |
| 61 | * @param tp The loop transport. |
| 62 | * @param discard If non-zero, any outgoing packets will be discarded. |
| 63 | * @param prev_value Optional argument to receive previous value of |
| 64 | * the discard flag. |
| 65 | * |
| 66 | * @return PJ_SUCCESS on success. |
| 67 | */ |
| 68 | PJ_DECL(pj_status_t) pjsip_loop_set_discard( pjsip_transport *tp, |
| 69 | pj_bool_t discard, |
| 70 | pj_bool_t *prev_value ); |
| 71 | |
| 72 | |
| 73 | /** |
| 74 | * Enable/disable flag to simulate network error. When this flag is set, |
| 75 | * outgoing transmission will return either immediate error or error via |
| 76 | * callback. If error is to be notified via callback, then the notification |
| 77 | * will occur after some delay, which is controlled by #pjsip_loop_set_delay(). |
| 78 | * |
| 79 | * @param tp The loop transport. |
| 80 | * @param fail_flag If set to 1, the transport will return fail to deliver |
| 81 | * the message. If delay is zero, failure will occur |
| 82 | * immediately; otherwise it will be reported in callback. |
| 83 | * If set to zero, the transport will successfully deliver |
| 84 | * the packet. |
| 85 | * @param prev_value Optional argument to receive previous value of |
| 86 | * the failure flag. |
| 87 | * |
| 88 | * @return PJ_SUCCESS on success. |
| 89 | */ |
| 90 | PJ_DECL(pj_status_t) pjsip_loop_set_failure( pjsip_transport *tp, |
| 91 | int fail_flag, |
| 92 | int *prev_value ); |
| 93 | |
| 94 | |
| 95 | /** |
| 96 | * Set delay (in miliseconds) before packet is received by the other end |
| 97 | * of the loop transport. This will also |
| 98 | * control the delay for error notification callback. |
| 99 | * |
| 100 | * @param tp The loop transport. |
| 101 | * @param delay Delay, in miliseconds. |
| 102 | * @param prev_value Optional argument to receive previous value of the |
| 103 | * delay. |
| 104 | * |
| 105 | * @return PJ_SUCCESS on success. |
| 106 | */ |
| 107 | PJ_DECL(pj_status_t) pjsip_loop_set_recv_delay( pjsip_transport *tp, |
| 108 | unsigned delay, |
| 109 | unsigned *prev_value); |
| 110 | |
| 111 | |
| 112 | /** |
| 113 | * Set delay (in miliseconds) before send notification is delivered to sender. |
| 114 | * This will also control the delay for error notification callback. |
| 115 | * |
| 116 | * @param tp The loop transport. |
| 117 | * @param delay Delay, in miliseconds. |
| 118 | * @param prev_value Optional argument to receive previous value of the |
| 119 | * delay. |
| 120 | * |
| 121 | * @return PJ_SUCCESS on success. |
| 122 | */ |
| 123 | PJ_DECL(pj_status_t) pjsip_loop_set_send_callback_delay( pjsip_transport *tp, |
| 124 | unsigned delay, |
| 125 | unsigned *prev_value); |
| 126 | |
| 127 | |
| 128 | /** |
| 129 | * Set both receive and send notification delay. |
| 130 | * |
| 131 | * @param tp The loop transport. |
| 132 | * @param delay Delay, in miliseconds. |
| 133 | * |
| 134 | * @return PJ_SUCCESS on success. |
| 135 | */ |
| 136 | PJ_DECL(pj_status_t) pjsip_loop_set_delay( pjsip_transport *tp, |
| 137 | unsigned delay ); |
| 138 | |
| 139 | |
| 140 | PJ_END_DECL |
| 141 | |
| 142 | /** |
| 143 | * @} |
| 144 | */ |
| 145 | |
| 146 | #endif /* __PJSIP_TRANSPORT_LOOP_H__ */ |
| 147 | |