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 = ASTERISK_GPL_KEY , .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, ast_frame_subclass::integer, NULL, send_response(), session, and ast_frame::subclass.

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 = ASTERISK_GPL_KEY , .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.

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

Referenced by load_module(), and unload_module().