Adding basic SIP support, using Sofia-SIP stack

[lcr.git] / sip.h

diff --git a/sip.h b/sip.h
new file mode 100644 (file)
index 0000000..1bc06f7
--- /dev/null
+++ b/sip.h
@@ -0,0 +1,73 @@
+/*****************************************************************************\
+**                                                                           **
+** Linux Call Router                                                         **
+**                                                                           **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg                                              **
+**                                                                           **
+** SIP-port header file                                                      **
+**                                                                           **
+\*****************************************************************************/ 
+
+#include <sofia-sip/nua.h>
+
+/* SIP port class */
+class Psip : public PmISDN
+{
+       public:
+       Psip(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive, int mode, struct interface *interface);
+       ~Psip();
+       int message_epoint(unsigned int epoint_id, int message, union parameter *param);
+       int message_connect(unsigned int epoint_id, int message, union parameter *param);
+       int message_release(unsigned int epoint_id, int message, union parameter *param);
+       int message_setup(unsigned int epoint_id, int message, union parameter *param);
+       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[]);
+       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[]);
+       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[]);
+       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[]);
+       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[]);
+       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[]);
+       void *p_m_s_sip_inst;
+       struct lcr_work p_m_s_delete;
+       nua_handle_t *p_m_s_handle;
+       nua_magic_t *p_m_s_magic;
+       unsigned short p_m_s_rtp_port_local;
+       unsigned short p_m_s_rtp_port_remote;
+       unsigned int p_m_s_rtp_ip_local;
+       unsigned int p_m_s_rtp_ip_remote;
+       struct sockaddr_in p_m_s_rtp_sin_local;
+       struct sockaddr_in p_m_s_rtp_sin_remote;
+       struct sockaddr_in p_m_s_rtcp_sin_local;
+       struct sockaddr_in p_m_s_rtcp_sin_remote;
+       struct lcr_fd p_m_s_rtp_fd;
+       struct lcr_fd p_m_s_rtcp_fd;
+       int p_m_s_rtp_is_connected; /* if RTP session is connected, so we may send frames */
+       int p_m_s_rtp_tx_action;
+       uint16_t p_m_s_rtp_tx_sequence;
+       uint32_t p_m_s_rtp_tx_timestamp;
+       uint32_t p_m_s_rtp_tx_ssrc;
+       struct timeval p_m_s_rtp_tx_last_tv;
+       int rtp_open(void);
+       int rtp_connect(void);
+       void rtp_close(void);
+       int rtp_send_frame(unsigned char *data, unsigned int len, int payload_type);
+       int p_m_s_b_sock; /* SIP bchannel socket */
+       struct lcr_fd p_m_s_b_fd; /* event node */
+       int p_m_s_b_index; /* SIP bchannel socket index to use */
+       int p_m_s_b_active; /* SIP bchannel socket is activated */
+       unsigned char p_m_s_rxdata[160]; /* receive audio buffer */
+       int p_m_s_rxpos; /* position in audio buffer 0..159 */
+       int hunt_bchannel(void);
+       void bchannel_close(void);
+       int bchannel_open(int);
+       void bchannel_receive(struct mISDNhead *hh, unsigned char *data, int len);
+       void bchannel_send(unsigned int prim, unsigned int id, unsigned char *data, int len);
+       int parse_sdp(sip_t const *sip, unsigned int *ip, unsigned short *port);
+       void rtp_shutdown(void);
+};
+
+int sip_init_inst(struct interface *interface);
+void sip_exit_inst(struct interface *interface);
+int sip_init(void);
+void sip_exit(void);
+void sip_handle(void);