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#pragma once
#include <osmocom/msc/gsm_data.h>
/* Length limits according to SMPP 3.4 spec excluding NUL-byte: */
#define SMPP_SYS_ID_LEN 15
#define SMPP_PASSWD_LEN 8
enum esme_read_state {
READ_ST_IN_LEN = 0,
READ_ST_IN_MSG = 1,
};
/* struct representing SMPP's External Short Messaging Entity */
struct esme {
uint32_t own_seq_nr;
struct osmo_wqueue wqueue;
enum esme_read_state read_state;
uint32_t read_len;
uint32_t read_idx;
struct msgb *read_msg;
uint8_t smpp_version;
char system_id[SMPP_SYS_ID_LEN + 1];
char password[SMPP_PASSWD_LEN + 1];
};
#define LOGPESME(ESME, LEVEL, FMT, ARGS...) \
LOGP(DSMPP, LEVEL, "[%s] " FMT, (ESME)->system_id, ##ARGS)
#define LOGPESMERR(ESME, FMT, ARGS...) \
LOGPESME(ESME, LOGL_ERROR, "Error (%s) " FMT, smpp34_strerror, ##ARGS)
/*! \brief Ugly wrapper. libsmpp34 should do this itself! */
#define SMPP34_UNPACK(rc, type, str, data, len) { \
memset(str, 0, sizeof(*str)); \
rc = smpp34_unpack(type, str, data, len); }
#define PACK_AND_SEND(esme, ptr) pack_and_send(esme, (ptr)->command_id, ptr)
/*! \brief initialize the libsmpp34 data structure for a response */
#define INIT_RESP(type, resp, req) { \
memset((resp), 0, sizeof(*(resp))); \
(resp)->command_length = 0; \
(resp)->command_id = type; \
(resp)->command_status = ESME_ROK; \
(resp)->sequence_number = (req)->sequence_number; }
struct esme *esme_alloc(void *ctx);
uint32_t smpp_msgb_cmdid(struct msgb *msg);
uint32_t esme_inc_seq_nr(struct esme *esme);
int pack_and_send(struct esme *esme, uint32_t type, void *ptr);
int smpp_msc_alloc_init(void *ctx);
int smpp_msc_start(struct gsm_network *net);
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