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#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 */
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