diff options
Diffstat (limited to 'res/res_pjsip_one_touch_record_info.c')
| -rw-r--r-- | res/res_pjsip_one_touch_record_info.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/res/res_pjsip_one_touch_record_info.c b/res/res_pjsip_one_touch_record_info.c new file mode 100644 index 000000000..f0ecbbfbf --- /dev/null +++ b/res/res_pjsip_one_touch_record_info.c @@ -0,0 +1,128 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2013, malleable, llc. + * + * Sean Bright <sean@malleable.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*** MODULEINFO + <depend>pjproject</depend> + <depend>res_pjsip</depend> + <depend>res_pjsip_session</depend> + <support_level>core</support_level> +***/ + +#include "asterisk.h" + +#include <pjsip.h> +#include <pjsip_ua.h> + +#include "asterisk/features.h" +#include "asterisk/res_pjsip.h" +#include "asterisk/res_pjsip_session.h" +#include "asterisk/module.h" +#include "asterisk/features_config.h" + +static void send_response(struct ast_sip_session *session, int code, struct pjsip_rx_data *rdata) +{ + pjsip_tx_data *tdata; + + if (pjsip_dlg_create_response(session->inv_session->dlg, rdata, code, NULL, &tdata) == PJ_SUCCESS) { + struct pjsip_transaction *tsx = pjsip_rdata_get_tsx(rdata); + + pjsip_dlg_send_response(session->inv_session->dlg, tsx, tdata); + } +} + +static int handle_incoming_request(struct ast_sip_session *session, struct pjsip_rx_data *rdata) +{ + static const pj_str_t rec_str = { "Record", 6 }; + pjsip_generic_string_hdr *record; + int feature_res; + char feature_code[AST_FEATURE_MAX_LEN]; + const char *feature; + char *digit; + + record = pjsip_msg_find_hdr_by_name(rdata->msg_info.msg, &rec_str, NULL); + + /* If we don't have Record header, we have nothing to do */ + if (!record) { + return 0; + } + + if (!pj_stricmp2(&record->hvalue, "on")) { + feature = session->endpoint->info.recording.onfeature; + } else if (!pj_stricmp2(&record->hvalue, "off")) { + feature = session->endpoint->info.recording.offfeature; + } else { + /* Don't send response because another module may handle this */ + return 0; + } + + if (!session->channel) { + send_response(session, 481, rdata); + return 0; + } + + /* Is this endpoint configured with One Touch Recording? */ + if (!session->endpoint->info.recording.enabled || ast_strlen_zero(feature)) { + send_response(session, 403, rdata); + return 0; + } + + ast_channel_lock(session->channel); + feature_res = ast_get_feature(session->channel, feature, feature_code, sizeof(feature_code)); + ast_channel_unlock(session->channel); + + if (feature_res || ast_strlen_zero(feature_code)) { + send_response(session, 403, rdata); + return 0; + } + + for (digit = feature_code; *digit; ++digit) { + struct ast_frame f = { AST_FRAME_DTMF, .subclass.integer = *digit, .len = 100 }; + ast_queue_frame(session->channel, &f); + } + + send_response(session, 200, rdata); + + return 0; +} + +static struct ast_sip_session_supplement info_supplement = { + .method = "INFO", + .incoming_request = handle_incoming_request, +}; + +static int load_module(void) +{ + if (ast_sip_session_register_supplement(&info_supplement)) { + ast_log(LOG_ERROR, "Unable to register One Touch Recording supplement\n"); + return AST_MODULE_LOAD_FAILURE; + } + + return AST_MODULE_LOAD_SUCCESS; +} + +static int unload_module(void) +{ + ast_sip_session_unregister_supplement(&info_supplement); + return 0; +} + +AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP INFO One Touch Recording Support", + .load = load_module, + .unload = unload_module, + .load_pri = AST_MODPRI_APP_DEPEND, + ); |