92 lines
5.3 KiB
C++
92 lines
5.3 KiB
C++
/*****************************************************************************\
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** **
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** Linux Call Router **
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** **
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**---------------------------------------------------------------------------**
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** Copyright: Andreas Eversberg **
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** **
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** SIP-port header file **
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** **
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\*****************************************************************************/
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#include <sofia-sip/nua.h>
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extern int any_sip_interface;
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/* SIP port class */
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class Psip : public Port
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{
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public:
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Psip(int type, char *portname, struct port_settings *settings, struct interface *interface);
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~Psip();
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unsigned int get_local_ip(unsigned int ip);
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int message_epoint(unsigned int epoint_id, int message, union parameter *param);
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int message_connect(unsigned int epoint_id, int message, union parameter *param);
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int message_release(unsigned int epoint_id, int message, union parameter *param);
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int message_setup(unsigned int epoint_id, int message, union parameter *param);
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int message_notify(unsigned int epoint_id, int message, union parameter *param);
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int message_information(unsigned int epoint_id, int message, union parameter *param);
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int message_dtmf(unsigned int epoint_id, int message, union parameter *param);
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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[]);
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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[]);
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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[]);
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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[]);
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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[]);
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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[]);
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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[]);
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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[]);
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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[]);
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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[]);
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void *p_s_sip_inst;
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struct lcr_work p_s_delete;
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nua_handle_t *p_s_handle;
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nua_magic_t *p_s_magic;
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struct lcr_timer p_s_invite_option_timer; /* time to send OPTION to invite transaction */
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int p_s_invite_direction; /* DIRECTION_* of invite */
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int p_s_rtp_bridge; /* bridge RTP instead of having a local RTP peer */
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unsigned short p_s_rtp_port_local;
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unsigned short p_s_rtp_port_remote;
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unsigned int p_s_rtp_ip_local;
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unsigned int p_s_rtp_ip_remote;
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struct sockaddr_in p_s_rtp_sin_local;
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struct sockaddr_in p_s_rtp_sin_remote;
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struct sockaddr_in p_s_rtcp_sin_local;
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struct sockaddr_in p_s_rtcp_sin_remote;
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struct lcr_fd p_s_rtp_fd;
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struct lcr_fd p_s_rtcp_fd;
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int p_s_rtp_is_connected; /* if RTP session is connected, so we may send frames */
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int p_s_rtp_tx_action;
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uint16_t p_s_rtp_tx_sequence;
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uint32_t p_s_rtp_tx_timestamp;
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uint32_t p_s_rtp_tx_ssrc;
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struct timeval p_s_rtp_tx_last_tv;
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int rtp_open(void);
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int rtp_connect(void);
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void rtp_close(void);
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int rtp_send_frame(unsigned char *data, unsigned int len, uint8_t payload_type);
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int p_s_b_sock; /* SIP bchannel socket */
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struct lcr_fd p_s_b_fd; /* event node */
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int p_s_b_index; /* SIP bchannel socket index to use */
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int p_s_b_active; /* SIP bchannel socket is activated */
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unsigned char p_s_rxdata[160]; /* receive audio buffer */
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int p_s_rxpos; /* position in audio buffer 0..159 */
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int bridge_rx(unsigned char *data, int len);
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const char *generate_sdp(unsigned int rtp_ip_local, unsigned short rtp_port_local, int payloads, unsigned char *payload_types, int *media_types);
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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);
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void rtp_shutdown(void);
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/* audio */
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struct lcr_timer p_s_load_timer; /* timer for audio transmission */
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virtual void update_load(void);
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void load_tx(void);
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unsigned int p_s_next_tv_sec; /* time stamp of next expected tx_load call, (to sync audio data) */
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unsigned int p_s_next_tv_usec;
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void set_tone(const char *dir, const char *name);
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};
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int sip_init_inst(struct interface *interface);
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void sip_exit_inst(struct interface *interface);
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int sip_init(void);
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void sip_exit(void);
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void sip_handle(void);
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