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#include <stdio.h>
#include <talloc.h>
#include <osmocom/abis/abis.h>
#include <osmocom/abis/e1_input.h>
static void *tall_test;
static int sign_link_up(struct msgb *msg, struct e1inp_line *line)
{
printf("ID_RESP received, create sign link.\n");
return 0;
}
static int sign_link(struct msgb *msg, struct e1inp_sign_link *link)
{
printf("OML/RSL data received\n");
return 0;
}
static int error(struct msgb *msg, int error)
{
printf("error, malformed message\n");
return 0;
}
int main(void)
{
struct e1inp_line *line;
tall_test = talloc_named_const(NULL, 1, "e1inp_test");
libosmo_abis_init(tall_test);
struct e1inp_line_ops ops = {
.sign_link_up = sign_link_up,
.sign_link = sign_link,
.error = error,
};
#define LINENR 0
line = e1inp_line_create(LINENR, "ipa", &ops);
if (line == NULL) {
fprintf(stderr, "problem creating E1 line\n");
exit(EXIT_FAILURE);
}
/*
* Depending if this is a real or virtual E1 lines:
* - real (ISDN): create signal link for OML and RSL before line up.
* - vitual (INET): we create it in signal_link_up(...) callback.
*
* The signal link is created via e1inp_sign_link_create(...)
*
* See e1_reconfig_trx and e1_reconfig_bts in libbsc/e1_config.c,
* it explains how this is done with ISDN.
*/
if (e1inp_line_update(line, E1INP_LINE_R_BSC) < 0) {
fprintf(stderr, "problem enabling E1 line\n");
exit(EXIT_FAILURE);
}
while (1) {
osmo_select_main(0);
}
return 0;
}
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