1 /*****************************************************************************\
3 ** Linux Call Router **
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** SIP-port header file **
10 \*****************************************************************************/
12 #include <sofia-sip/nua.h>
14 extern int any_sip_interface;
17 class Psip : public Port
20 Psip(int type, char *portname, struct port_settings *settings, struct interface *interface);
22 unsigned int get_local_ip(unsigned int ip);
23 int message_epoint(unsigned int epoint_id, int message, union parameter *param);
24 int message_connect(unsigned int epoint_id, int message, union parameter *param);
25 int message_release(unsigned int epoint_id, int message, union parameter *param);
26 int message_setup(unsigned int epoint_id, int message, union parameter *param);
27 int message_notify(unsigned int epoint_id, int message, union parameter *param);
28 int message_information(unsigned int epoint_id, int message, union parameter *param);
29 int message_dtmf(unsigned int epoint_id, int message, union parameter *param);
30 void i_invite(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
31 void i_bye(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
32 void i_cancel(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
33 void r_bye(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
34 void r_cancel(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
35 void r_invite(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
36 void i_options(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
37 void i_info(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
38 void r_options(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
39 void i_state(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]);
41 struct lcr_work p_s_delete;
42 nua_handle_t *p_s_handle;
43 nua_magic_t *p_s_magic;
44 struct lcr_timer p_s_invite_option_timer; /* time to send OPTION to invite transaction */
45 int p_s_invite_direction; /* DIRECTION_* of invite */
46 int p_s_rtp_bridge; /* bridge RTP instead of having a local RTP peer */
47 unsigned short p_s_rtp_port_local;
48 unsigned short p_s_rtp_port_remote;
49 unsigned int p_s_rtp_ip_local;
50 unsigned int p_s_rtp_ip_remote;
51 struct sockaddr_in p_s_rtp_sin_local;
52 struct sockaddr_in p_s_rtp_sin_remote;
53 struct sockaddr_in p_s_rtcp_sin_local;
54 struct sockaddr_in p_s_rtcp_sin_remote;
55 struct lcr_fd p_s_rtp_fd;
56 struct lcr_fd p_s_rtcp_fd;
57 int p_s_rtp_is_connected; /* if RTP session is connected, so we may send frames */
58 int p_s_rtp_tx_action;
59 uint16_t p_s_rtp_tx_sequence;
60 uint32_t p_s_rtp_tx_timestamp;
61 uint32_t p_s_rtp_tx_ssrc;
62 struct timeval p_s_rtp_tx_last_tv;
64 int rtp_connect(void);
66 int rtp_send_frame(unsigned char *data, unsigned int len, uint8_t payload_type);
67 int p_s_b_sock; /* SIP bchannel socket */
68 struct lcr_fd p_s_b_fd; /* event node */
69 int p_s_b_index; /* SIP bchannel socket index to use */
70 int p_s_b_active; /* SIP bchannel socket is activated */
71 unsigned char p_s_rxdata[160]; /* receive audio buffer */
72 int p_s_rxpos; /* position in audio buffer 0..159 */
73 int bridge_rx(unsigned char *data, int len);
74 const char *generate_sdp(unsigned int rtp_ip_local, unsigned short rtp_port_local, int payloads, unsigned char *payload_types, int *media_types);
75 int parse_sdp(sip_t const *sip, unsigned int *ip, unsigned short *port, uint8_t *payload_types, int *media_types, int *payloads, int max_payloads);
76 void rtp_shutdown(void);
79 struct lcr_timer p_s_load_timer; /* timer for audio transmission */
80 virtual void update_load(void);
82 unsigned int p_s_next_tv_sec; /* time stamp of next expected tx_load call, (to sync audio data) */
83 unsigned int p_s_next_tv_usec;
84 void set_tone(const char *dir, const char *name);
87 int sip_init_inst(struct interface *interface);
88 void sip_exit_inst(struct interface *interface);
91 void sip_handle(void);