| #ifndef _GSMTAP_UTIL_H |
| #define _GSMTAP_UTIL_H |
| |
| #include <stdint.h> |
| #include <osmocom/core/write_queue.h> |
| #include <osmocom/core/select.h> |
| |
| /* convert RSL channel number to GSMTAP channel type */ |
| uint8_t chantype_rsl2gsmtap(uint8_t rsl_chantype, uint8_t rsl_link_id); |
| |
| /* generate msgb from data + metadata */ |
| struct msgb *gsmtap_makemsg(uint16_t arfcn, uint8_t ts, uint8_t chan_type, |
| uint8_t ss, uint32_t fn, int8_t signal_dbm, |
| uint8_t snr, const uint8_t *data, unsigned int len); |
| |
| /* one gsmtap instance */ |
| struct gsmtap_inst { |
| int ofd_wq_mode; |
| struct osmo_wqueue wq; |
| struct osmo_fd sink_ofd; |
| }; |
| |
| static inline int gsmtap_inst_fd(struct gsmtap_inst *gti) |
| { |
| return gti->wq.bfd.fd; |
| } |
| |
| /* Open a GSMTAP source (sending) socket, conncet it to host/port and |
| * return resulting fd */ |
| int gsmtap_source_init_fd(const char *host, uint16_t port); |
| |
| /* Add a local sink to an existing GSMTAP source and return fd */ |
| int gsmtap_source_add_sink_fd(int gsmtap_fd); |
| |
| /* Open GSMTAP source (sending) socket, connect it to host/port, |
| * allocate 'struct gsmtap_inst' and optionally osmo_fd/osmo_wqueue |
| * registration */ |
| struct gsmtap_inst *gsmtap_source_init(const char *host, uint16_t port, |
| int ofd_wq_mode); |
| |
| /* Add a local sink to an existing GSMTAP source instance */ |
| int gsmtap_source_add_sink(struct gsmtap_inst *gti); |
| |
| /* Send a msgb through a GSMTAP source */ |
| int gsmtap_sendmsg(struct gsmtap_inst *gti, struct msgb *msg); |
| |
| /* generate a message and send it via GSMTAP */ |
| int gsmtap_send(struct gsmtap_inst *gti, uint16_t arfcn, uint8_t ts, |
| uint8_t chan_type, uint8_t ss, uint32_t fn, |
| int8_t signal_dbm, uint8_t snr, const uint8_t *data, |
| unsigned int len); |
| |
| #endif /* _GSMTAP_UTIL_H */ |