C++ pj_cstr函数代码示例

/*
 * Start ICE negotiation! This function is invoked from the menu.
 */
void natclient_start_nego(struct ice_trans_s* icetrans)
{
    pj_str_t rufrag, rpwd;
    pj_status_t status;

    if (icetrans->icest == NULL) {
        PJ_LOG(1,(THIS_FILE, "Error: No ICE instance, create it first"));
        return;
    }

    if (!pj_ice_strans_has_sess(icetrans->icest)) {
        PJ_LOG(1,(THIS_FILE, "Error: No ICE session, initialize first"));
        return;
    }

    if (icetrans->rem.cand_cnt == 0) {
        PJ_LOG(1,(THIS_FILE, "Error: No remote info, input remote info first"));
        return;
    }

    PJ_LOG(3,(THIS_FILE, "Starting ICE negotiation.."));

    status = pj_ice_strans_start_ice(icetrans->icest,
                                     pj_cstr(&rufrag, icetrans->rem.ufrag),
                                     pj_cstr(&rpwd, icetrans->rem.pwd),
                                     icetrans->rem.cand_cnt,
                                     icetrans->rem.cand);
    if (status != PJ_SUCCESS)
        natclient_perror("Error starting ICE", status);
    else
        PJ_LOG(3,(THIS_FILE, "ICE negotiation started"));
}

static int pidf_generate_body_content(void *body, void *data)
{
	pjpidf_tuple *tuple;
	pj_str_t note, id, contact, priority;
	char *statestring = NULL, *pidfstate = NULL, *pidfnote = NULL;
	enum ast_sip_pidf_state local_state;
	char sanitized[PJSIP_MAX_URL_SIZE];
	pjpidf_pres *pres = body;
	struct ast_sip_exten_state_data *state_data = data;

	ast_sip_presence_exten_state_to_str(state_data->exten_state, &statestring,
			&pidfstate, &pidfnote, &local_state);

	if (!pjpidf_pres_add_note(state_data->pool, pres, pj_cstr(&note, pidfnote))) {
		ast_log(LOG_WARNING, "Unable to add note to PIDF presence\n");
		return -1;
	}

	if (!(tuple = pjpidf_pres_add_tuple(state_data->pool, pres,
					pj_cstr(&id, state_data->exten)))) {
		ast_log(LOG_WARNING, "Unable to create PIDF tuple\n");
		return -1;
	}

	ast_sip_sanitize_xml(state_data->remote, sanitized, sizeof(sanitized));
	pjpidf_tuple_set_contact(state_data->pool, tuple, pj_cstr(&contact, sanitized));
	pjpidf_tuple_set_contact_prio(state_data->pool, tuple, pj_cstr(&priority, "1"));
	pjpidf_status_set_basic_open(pjpidf_tuple_get_status(tuple),
			local_state == NOTIFY_OPEN);

	return 0;
}

void
SIPCall::sendSIPInfo(const char *const body, const char *const subtype)
{
    if (not inv or not inv->dlg)
        throw VoipLinkException("Couldn't get invite dialog");

    pj_str_t methodName = CONST_PJ_STR("INFO");
    pjsip_method method;
    pjsip_method_init_np(&method, &methodName);

    /* Create request message. */
    pjsip_tx_data *tdata;

    if (pjsip_dlg_create_request(inv->dlg, &method, -1, &tdata) != PJ_SUCCESS) {
        RING_ERR("[call:%s] Could not create dialog", getCallId().c_str());
        return;
    }

    /* Create "application/<subtype>" message body. */
    pj_str_t content;
    pj_cstr(&content, body);
    const pj_str_t type = CONST_PJ_STR("application");
    pj_str_t pj_subtype;
    pj_cstr(&pj_subtype, subtype);
    tdata->msg->body = pjsip_msg_body_create(tdata->pool, &type, &pj_subtype, &content);

    if (tdata->msg->body == NULL)
        pjsip_tx_data_dec_ref(tdata);
    else
        pjsip_dlg_send_request(inv->dlg, tdata, getSIPVoIPLink()->getModId(), NULL);
}

// helper for creating call-media-player
static void create_player(pjsua_call_id call_id)
{
	// get call infos
	pjsua_call_info ci; 
	pjsua_call_get_info(call_id, &ci);
	
	pj_str_t name;
	pj_status_t status = PJ_ENOTFOUND;
	
	log_message("Creating player ... ");
	
	// create player for playback media		
	if (app_cfg.wav_file) {
		status = pjsua_player_create(pj_cstr(&name, app_cfg.wav_file), 0, &play_id);
	} else {
		status = pjsua_player_create(pj_cstr(&name, app_cfg.tts_file), 0, &play_id);
	}
	if (status != PJ_SUCCESS) error_exit("Error playing sound-playback", status);
		
	// connect active call to media player
	pjsua_conf_connect(pjsua_player_get_conf_port(play_id), ci.conf_slot);
	
	// get media port (play_port) from play_id
    status = pjsua_player_get_port(play_id, &play_port);
	if (status != PJ_SUCCESS) error_exit("Error getting sound player port", status);
	
	// register media finished callback	
    status = pjmedia_wav_player_set_eof_cb(play_port, NULL, &on_media_finished);
	if (status != PJ_SUCCESS) error_exit("Error adding sound-playback callback", status);
	
	log_message("Done.\n");
}

/*! \brief Function which adds ICE attributes to a media stream */
static void add_ice_to_stream(struct ast_sip_session *session, struct ast_sip_session_media *session_media, pj_pool_t *pool, pjmedia_sdp_media *media)
{
	struct ast_rtp_engine_ice *ice;
	struct ao2_container *candidates;
	const char *username, *password;
	pj_str_t stmp;
	pjmedia_sdp_attr *attr;
	struct ao2_iterator it_candidates;
	struct ast_rtp_engine_ice_candidate *candidate;

	if (!session->endpoint->media.rtp.ice_support || !(ice = ast_rtp_instance_get_ice(session_media->rtp)) ||
		!(candidates = ice->get_local_candidates(session_media->rtp))) {
		return;
	}

	if ((username = ice->get_ufrag(session_media->rtp))) {
		attr = pjmedia_sdp_attr_create(pool, "ice-ufrag", pj_cstr(&stmp, username));
		media->attr[media->attr_count++] = attr;
	}

	if ((password = ice->get_password(session_media->rtp))) {
		attr = pjmedia_sdp_attr_create(pool, "ice-pwd", pj_cstr(&stmp, password));
		media->attr[media->attr_count++] = attr;
	}

	it_candidates = ao2_iterator_init(candidates, 0);
	for (; (candidate = ao2_iterator_next(&it_candidates)); ao2_ref(candidate, -1)) {
		struct ast_str *attr_candidate = ast_str_create(128);

		ast_str_set(&attr_candidate, -1, "%s %u %s %d %s ", candidate->foundation, candidate->id, candidate->transport,
					candidate->priority, ast_sockaddr_stringify_addr_remote(&candidate->address));
		ast_str_append(&attr_candidate, -1, "%s typ ", ast_sockaddr_stringify_port(&candidate->address));

		switch (candidate->type) {
			case AST_RTP_ICE_CANDIDATE_TYPE_HOST:
				ast_str_append(&attr_candidate, -1, "host");
				break;
			case AST_RTP_ICE_CANDIDATE_TYPE_SRFLX:
				ast_str_append(&attr_candidate, -1, "srflx");
				break;
			case AST_RTP_ICE_CANDIDATE_TYPE_RELAYED:
				ast_str_append(&attr_candidate, -1, "relay");
				break;
		}

		if (!ast_sockaddr_isnull(&candidate->relay_address)) {
			ast_str_append(&attr_candidate, -1, " raddr %s rport", ast_sockaddr_stringify_addr_remote(&candidate->relay_address));
			ast_str_append(&attr_candidate, -1, " %s", ast_sockaddr_stringify_port(&candidate->relay_address));
		}

		attr = pjmedia_sdp_attr_create(pool, "candidate", pj_cstr(&stmp, ast_str_buffer(attr_candidate)));
		media->attr[media->attr_count++] = attr;

		ast_free(attr_candidate);
	}

	ao2_iterator_destroy(&it_candidates);
	ao2_ref(candidates, -1);
}

static int send_unsolicited_mwi_notify_to_contact(void *obj, void *arg, int flags)
{
	struct unsolicited_mwi_data *mwi_data = arg;
	struct mwi_subscription *sub = mwi_data->sub;
	struct ast_sip_endpoint *endpoint = mwi_data->endpoint;
	pjsip_evsub_state state = mwi_data->state;
	const struct ast_sip_body *body = mwi_data->body;
	struct ast_sip_contact *contact = obj;
	const char *state_name;
	pjsip_tx_data *tdata;
	pjsip_sub_state_hdr *sub_state;
	pjsip_event_hdr *event;
	const pjsip_hdr *allow_events = pjsip_evsub_get_allow_events_hdr(NULL);

	if (ast_sip_create_request("NOTIFY", NULL, endpoint, NULL, contact, &tdata)) {
		ast_log(LOG_WARNING, "Unable to create unsolicited NOTIFY request to endpoint %s URI %s\n", sub->id, contact->uri);
		return 0;
	}

	if (!ast_strlen_zero(endpoint->subscription.mwi.fromuser)) {
		pjsip_fromto_hdr *from = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_FROM, NULL);
		pjsip_name_addr *from_name_addr = (pjsip_name_addr *) from->uri;
		pjsip_sip_uri *from_uri = pjsip_uri_get_uri(from_name_addr->uri);

		pj_strdup2(tdata->pool, &from_uri->user, endpoint->subscription.mwi.fromuser);
	}

	switch (state) {
	case PJSIP_EVSUB_STATE_ACTIVE:
		state_name = "active";
		break;
	case PJSIP_EVSUB_STATE_TERMINATED:
	default:
		state_name = "terminated";
		break;
	}

	sub_state = pjsip_sub_state_hdr_create(tdata->pool);
	pj_cstr(&sub_state->sub_state, state_name);
	pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr *) sub_state);

	event = pjsip_event_hdr_create(tdata->pool);
	pj_cstr(&event->event_type, "message-summary");
	pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr *) event);

	pjsip_msg_add_hdr(tdata->msg, pjsip_hdr_shallow_clone(tdata->pool, allow_events));
	ast_sip_add_body(tdata, body);
	ast_sip_send_request(tdata, NULL, endpoint, NULL, NULL);

	return 0;
}

static void open_udp_socket($UPROTO$_server_t *userver, char *addr, int port) {
    pj_sockaddr_in saddr;
    pj_str_t s;
    int optval = 1;
    SHOW_LOG(3, __FILE__":open_udp_socket: %s:%d\n", addr, port);   
    // create udp socket here
    CHECK(__FILE__, pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, &userver->fd));

#ifdef __ICS_INTEL__
    // Allow socket reuse
    //CHECK(__FILE__, pj_sock_setsockopt(userver->fd, PJ_SOL_SOCKET, 512, &optval, sizeof(optval)));
    CHECK(__FILE__, pj_sock_setsockopt(userver->fd, PJ_SOL_SOCKET, PJ_SO_REUSEADDR, &optval, sizeof(optval)));
#endif

    // bind the socket
    pj_bzero(&saddr, sizeof(saddr));
    saddr.sin_family = PJ_AF_INET;
    saddr.sin_port = pj_htons(port);
    saddr.sin_addr = pj_inet_addr(pj_cstr(&s,addr));

    /*pj_status_t status = pj_sock_bind(userver->fd, &saddr, sizeof(saddr));
    if( status != 0 ) {
        SHOW_LOG(1, __FILE__":open_udp_socket error(%d)\n", status);
        exit(-1);
    }*/
    CHECK(__FILE__, pj_sock_bind(userver->fd, &saddr, sizeof(saddr)));
}

/*!
 * \brief Common code for initializing a pjsip_auth_srv
 */
static void setup_auth_srv(pj_pool_t *pool, pjsip_auth_srv *auth_server, const char *realm)
{
	pj_str_t realm_str;
	pj_cstr(&realm_str, realm);

	pjsip_auth_srv_init(pool, auth_server, &realm_str, digest_lookup, 0);
}

/*!
 * \brief Pass WebSocket data into pjsip transport manager.
 */
static int transport_read(void *data)
{
	struct transport_read_data *read_data = data;
	struct ws_transport *newtransport = read_data->transport;
	struct ast_websocket *session = newtransport->ws_session;

	pjsip_rx_data *rdata = &newtransport->rdata;
	int recvd;
	pj_str_t buf;
	int pjsip_pkt_len;

	pj_gettimeofday(&rdata->pkt_info.timestamp);

	pjsip_pkt_len = PJSIP_MAX_PKT_LEN < read_data->payload_len ? PJSIP_MAX_PKT_LEN : read_data->payload_len;
	pj_memcpy(rdata->pkt_info.packet, read_data->payload, pjsip_pkt_len);
	rdata->pkt_info.len = pjsip_pkt_len;
	rdata->pkt_info.zero = 0;

	pj_sockaddr_parse(pj_AF_UNSPEC(), 0, pj_cstr(&buf, ast_sockaddr_stringify(ast_websocket_remote_address(session))), &rdata->pkt_info.src_addr);
	rdata->pkt_info.src_addr.addr.sa_family = pj_AF_INET();

	rdata->pkt_info.src_addr_len = sizeof(rdata->pkt_info.src_addr);

	pj_ansi_strcpy(rdata->pkt_info.src_name, ast_sockaddr_stringify_host(ast_websocket_remote_address(session)));
	rdata->pkt_info.src_port = ast_sockaddr_port(ast_websocket_remote_address(session));

	recvd = pjsip_tpmgr_receive_packet(rdata->tp_info.transport->tpmgr, rdata);

	pj_pool_reset(rdata->tp_info.pool);

	return (read_data->payload_len == recvd) ? 0 : -1;
}

void
SipTransportBroker::findLocalAddressFromTransport(pjsip_transport *transport, pjsip_transport_type_e transportType, const std::string &host, std::string &addr, pj_uint16_t &port) const
{
    // Initialize the sip port with the default SIP port
    port = pjsip_transport_get_default_port_for_type(transportType);

    // Initialize the sip address with the hostname
    const pj_str_t *pjMachineName = pj_gethostname();
    addr = std::string(pjMachineName->ptr, pjMachineName->slen);

    // Update address and port with active transport
    RETURN_IF_NULL(transport, "Transport is NULL in findLocalAddress, using local address %s :%d", addr.c_str(), port);

    // get the transport manager associated with the SIP enpoint
    pjsip_tpmgr *tpmgr = pjsip_endpt_get_tpmgr(endpt_);
    RETURN_IF_NULL(tpmgr, "Transport manager is NULL in findLocalAddress, using local address %s :%d", addr.c_str(), port);

    pj_str_t pjstring;
    pj_cstr(&pjstring, host.c_str());
    pjsip_tpselector tp_sel = getTransportSelector(transport);
    pjsip_tpmgr_fla2_param param = {transportType, &tp_sel, pjstring, PJ_FALSE, {nullptr, 0}, 0, nullptr};
    if (pjsip_tpmgr_find_local_addr2(tpmgr, &pool_, &param) != PJ_SUCCESS) {
        WARN("Could not retrieve local address and port from transport, using %s :%d", addr.c_str(), port);
        return;
    }

    // Update local address based on the transport type
    addr = std::string(param.ret_addr.ptr, param.ret_addr.slen);

    // Determine the local port based on transport information
    port = param.ret_port;
}

/*!
 * \brief Store the transport a message came in on, so it can be used for outbound messages to that contact.
 */
static pj_bool_t websocket_on_rx_msg(pjsip_rx_data *rdata)
{
	static const pj_str_t STR_WS = { "ws", 2 };
	static const pj_str_t STR_WSS = { "wss", 3 };
	pjsip_contact_hdr *contact;

	long type = rdata->tp_info.transport->key.type;

	if (type != (long)transport_type_ws && type != (long)transport_type_wss) {
		return PJ_FALSE;
	}

	if ((contact = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CONTACT, NULL)) && !contact->star &&
		(PJSIP_URI_SCHEME_IS_SIP(contact->uri) || PJSIP_URI_SCHEME_IS_SIPS(contact->uri))) {
		pjsip_sip_uri *uri = pjsip_uri_get_uri(contact->uri);

		pj_cstr(&uri->host, rdata->pkt_info.src_name);
		uri->port = rdata->pkt_info.src_port;
		ast_debug(4, "Re-wrote Contact URI host/port to %.*s:%d\n",
			(int)pj_strlen(&uri->host), pj_strbuf(&uri->host), uri->port);
		pj_strdup(rdata->tp_info.pool, &uri->transport_param, (type == (long)transport_type_ws) ? &STR_WS : &STR_WSS);
	}

	rdata->msg_info.via->rport_param = 0;

	return PJ_FALSE;
}

/*! \brief Custom handler for turning a string bind into a pj_sockaddr */
static int transport_bind_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
{
	struct ast_sip_transport *transport = obj;
	pj_str_t buf;

	return (pj_sockaddr_parse(pj_AF_UNSPEC(), 0, pj_cstr(&buf, var->value), &transport->host) != PJ_SUCCESS) ? -1 : 0;
}

/*
 * Initialize and register AMR codec factory to pjmedia endpoint.
 */
PJ_DEF(pj_status_t) pjmedia_codec_opencore_amr_init( pjmedia_endpt *endpt,
                                                     unsigned options)
{
    pjmedia_codec_mgr *codec_mgr;
    pj_str_t codec_name;
    pj_status_t status;

    if (amr_codec_factory.pool != NULL)
	return PJ_SUCCESS;

    /* Create AMR codec factory. */
    amr_codec_factory.base.op = &amr_factory_op;
    amr_codec_factory.base.factory_data = NULL;
    amr_codec_factory.endpt = endpt;
#ifdef USE_AMRNB
    amr_codec_factory.init[IDX_AMR_NB] = ((options & PJMEDIA_AMR_NO_NB) == 0);
#else
    amr_codec_factory.init[IDX_AMR_NB] = PJ_FALSE;
#endif
#ifdef USE_AMRWB
    amr_codec_factory.init[IDX_AMR_WB] = ((options & PJMEDIA_AMR_NO_WB) == 0);
#else
    amr_codec_factory.init[IDX_AMR_WB] = PJ_FALSE;
#endif

    amr_codec_factory.pool = pjmedia_endpt_create_pool(endpt, "amr", 1000,
						       1000);
    if (!amr_codec_factory.pool)
	return PJ_ENOMEM;

    /* Get the codec manager. */
    codec_mgr = pjmedia_endpt_get_codec_mgr(endpt);
    if (!codec_mgr) {
	status = PJ_EINVALIDOP;
	goto on_error;
    }

    /* Register format match callback. */
    pj_cstr(&codec_name, "AMR");
    status = pjmedia_sdp_neg_register_fmt_match_cb(
					&codec_name,
					&pjmedia_codec_amr_match_sdp);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Register codec factory to endpoint. */
    status = pjmedia_codec_mgr_register_factory(codec_mgr, 
						&amr_codec_factory.base);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Done. */
    return PJ_SUCCESS;

on_error:
    pj_pool_release(amr_codec_factory.pool);
    amr_codec_factory.pool = NULL;
    return status;
}

void $UPROTO$_server_join($UPROTO$_server_t *userver, char *multicast_ip) {
    pj_ip_mreq mreq;
    pj_str_t s, s1;
    pj_status_t ret;

    pj_bzero(&mreq, sizeof(pj_ip_mreq));
	mreq.imr_multiaddr = pj_inet_addr(pj_cstr(&s, multicast_ip));
	mreq.imr_interface = pj_inet_addr(pj_cstr(&s1, "0.0.0.0"));

    //mreq.imr_multiaddr.s_addr = inet_addr(multicast_ip);
    //mreq.imr_interface.s_addr = htonl(INADDR_ANY);

    pj_mutex_lock(userver->mutex);
    ret = pj_sock_setsockopt(userver->fd, PJ_SOL_IP, PJ_IP_ADD_MEMBERSHIP, &mreq,sizeof(mreq));
    PERROR_IF_TRUE(ret != 0, "Error in joining mcast group");
    pj_mutex_unlock(userver->mutex);
}

/*!
 * \brief astobj2 callback for adding digest challenges to responses
 *
 * \param realm An auth's realm to build a challenge from
 * \param tdata The response to add the challenge to
 * \param rdata The request the challenge is in response to
 * \param is_stale Indicates whether nonce on incoming request was stale
 */
static void challenge(const char *realm, pjsip_tx_data *tdata, const pjsip_rx_data *rdata, int is_stale)
{
	pj_str_t qop;
	pj_str_t pj_nonce;
	pjsip_auth_srv auth_server;
	struct ast_str *nonce = ast_str_alloca(256);
	char time_buf[32];
	time_t timestamp = time(NULL);
	snprintf(time_buf, sizeof(time_buf), "%d", (int) timestamp);

	build_nonce(&nonce, time_buf, rdata, realm);

	setup_auth_srv(tdata->pool, &auth_server, realm);

	pj_cstr(&pj_nonce, ast_str_buffer(nonce));
	pj_cstr(&qop, "auth");
	pjsip_auth_srv_challenge(&auth_server, &qop, &pj_nonce, NULL, is_stale ? PJ_TRUE : PJ_FALSE, tdata);
}