res_pjsip_one_touch_record_info.c File Reference

#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"

Include dependency graph for res_pjsip_one_touch_record_info.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	handle_incoming_request (struct ast_sip_session *session, struct pjsip_rx_data *rdata)
static int	load_module (void)
static void	send_response (struct ast_sip_session *session, int code, struct pjsip_rx_data *rdata)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "PJSIP INFO One Touch Recording Support" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, .requires = "res_pjsip,res_pjsip_session", }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_sip_session_supplement	info_supplement

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 128 of file res_pjsip_one_touch_record_info.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 128 of file res_pjsip_one_touch_record_info.c.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 128 of file res_pjsip_one_touch_record_info.c.

handle_incoming_request()

static int handle_incoming_request ( struct ast_sip_session *  session, struct pjsip_rx_data *  rdata  )

static

Definition at line 48 of file res_pjsip_one_touch_record_info.c.

{
    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 1;
    }
 
    /* Is this endpoint configured with One Touch Recording? */
    if (!session->endpoint->info.recording.enabled || ast_strlen_zero(feature)) {
        send_response(session, 403, rdata);
        return 1;
    }
 
    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 1;
    }
 
    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 1;
}

References ast_channel_lock, ast_channel_unlock, AST_FEATURE_MAX_LEN, AST_FRAME_DTMF, ast_get_feature(), ast_queue_frame(), ast_strlen_zero(), digit, NULL, send_response(), and session.

load_module()

static int load_module ( void  )

static

Definition at line 109 of file res_pjsip_one_touch_record_info.c.

{
    ast_sip_session_register_supplement(&info_supplement);
 
    return AST_MODULE_LOAD_SUCCESS;
}

References AST_MODULE_LOAD_SUCCESS, ast_sip_session_register_supplement, and info_supplement.

send_response()

static void send_response ( struct ast_sip_session *  session, int  code, struct pjsip_rx_data *  rdata  )

static

Definition at line 37 of file res_pjsip_one_touch_record_info.c.

{
    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);
    }
}

References NULL, and session.

Referenced by handle_incoming_request().

unload_module()

static int unload_module ( void  )

static

Definition at line 116 of file res_pjsip_one_touch_record_info.c.

{
    ast_sip_session_unregister_supplement(&info_supplement);
    return 0;
}

References ast_sip_session_unregister_supplement(), and info_supplement.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "PJSIP INFO One Touch Recording Support" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, .requires = "res_pjsip,res_pjsip_session", }

static

Definition at line 128 of file res_pjsip_one_touch_record_info.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 128 of file res_pjsip_one_touch_record_info.c.

info_supplement

struct ast_sip_session_supplement info_supplement

static

Initial value:

= {
    .method = "INFO",
    .priority = AST_SIP_SUPPLEMENT_PRIORITY_FIRST,
    .incoming_request = handle_incoming_request,
}

Definition at line 103 of file res_pjsip_one_touch_record_info.c.

Referenced by load_module(), and unload_module().