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libosmo-sccp
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sccp_helpers: Add osmo_sccp_{addr,gt}_dump() functions 

They stringify a global title or SCCP address for human consumption

Change-Id: I630308aa4519c6e9a260419d37a376aac6a1ce28
This commit is contained in:
Harald Welte 2017-02-12 21:31:46 +01:00
parent 0dd089f17d
commit 0ebde0c42d
2 changed files with 74 additions and 0 deletions
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3
include/osmocom/sigtran/sccp_helpers.h
View File

@ -37,3 +37,6 @@ int osmo_sccp_tx_data(struct osmo_sccp_link *link, uint32_t conn_id,
int osmo_sccp_tx_data_msg(struct osmo_sccp_link *link, uint32_t conn_id,
struct msgb *msg);
char *osmo_sccp_gt_dump(const struct osmo_sccp_gt *gt);
char *osmo_sccp_addr_dump(const struct osmo_sccp_addr *addr);

71
src/sccp_helpers.c
View File

@ -20,6 +20,11 @@
*/
#include <string.h>
#include <stdbool.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <osmocom/sigtran/sccp_sap.h>
#include <osmocom/sigtran/sua.h>
@ -149,3 +154,69 @@ int osmo_sccp_tx_data_msg(struct osmo_sccp_link *link, uint32_t conn_id,
return rc;
}
static void append_to_buf(char *buf, bool *comma, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (*comma == true) {
strcat(buf, ",");
} else
*comma = true;
vsprintf(buf+strlen(buf), fmt, ap);
va_end(ap);
}
char *osmo_sccp_gt_dump(const struct osmo_sccp_gt *gt)
{
static char buf[256];
bool comma = false;
buf[0] = '\0';
if (gt->gti == OSMO_SCCP_GTI_NO_GT) {
strcat(buf, "NONE");
return buf;
}
if (gt->gti == OSMO_SCCP_GTI_NAI_ONLY) {
return buf;
}
if (gt->gti == OSMO_SCCP_GTI_TT_ONLY ||
gt->gti == OSMO_SCCP_GTI_TT_NPL_ENC ||
gt->gti == OSMO_SCCP_GTI_TT_NPL_ENC_NAI)
append_to_buf(buf, &comma, "TT=%u", gt->tt);
if (gt->gti == OSMO_SCCP_GTI_TT_NPL_ENC ||
gt->gti == OSMO_SCCP_GTI_TT_NPL_ENC_NAI)
append_to_buf(buf, &comma, "NPL=%u", gt->npi);
if (gt->gti == OSMO_SCCP_GTI_TT_NPL_ENC_NAI)
append_to_buf(buf, &comma, "NAI=%u", gt->nai);
append_to_buf(buf, &comma, "DIG=%s", gt->digits);
return buf;
}
char *osmo_sccp_addr_dump(const struct osmo_sccp_addr *addr)
{
static char buf[256];
bool comma = false;
buf[0] = '\0';
append_to_buf(buf, &comma, "RI=7");
if (addr->presence & OSMO_SCCP_ADDR_T_PC)
append_to_buf(buf, &comma, "PC=%u", addr->pc);
if (addr->presence & OSMO_SCCP_ADDR_T_SSN)
append_to_buf(buf, &comma, "SSN=%u", addr->ssn);
if (addr->presence & OSMO_SCCP_ADDR_T_IPv4)
append_to_buf(buf, &comma, "IP=%s", inet_ntoa(addr->ip.v4));
append_to_buf(buf, &comma, "GTI=%u", addr->gt.gti);
if (addr->presence & OSMO_SCCP_ADDR_T_GT)
append_to_buf(buf, &comma, "GT=(%s)", osmo_sccp_gt_dump(&addr->gt));
return buf;
}