libosmo-sccp/src/sccp_sap.c

153 lines
4.9 KiB
C

/* SCCP User SAP related routines */
/* (C) 2017 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/prim.h>
#include <osmocom/sigtran/sccp_sap.h>
const struct value_string osmo_scu_prim_type_names[] = {
{ OSMO_SCU_PRIM_N_CONNECT, "N-CONNECT" },
{ OSMO_SCU_PRIM_N_DATA, "N-DATA" },
{ OSMO_SCU_PRIM_N_EXPEDITED_DATA, "N-EXPEDITED-DATA" },
{ OSMO_SCU_PRIM_N_DISCONNECT, "N-DISCONNECT" },
{ OSMO_SCU_PRIM_N_RESET, "N-RESET" },
{ OSMO_SCU_PRIM_N_INFORM, "N-INFORM" },
{ OSMO_SCU_PRIM_N_UNITDATA, "N-UNITDATA" },
{ OSMO_SCU_PRIM_N_NOTICE, "N-NOTICE" },
/* management */
{ OSMO_SCU_PRIM_N_COORD, "N-COORD" },
{ OSMO_SCU_PRIM_N_STATE, "N-STATE" },
{ OSMO_SCU_PRIM_N_PCSTATE, "N-PCSTATE" },
{ 0, NULL }
};
static char prim_name_buf[128];
char *osmo_scu_prim_name(const struct osmo_prim_hdr *oph)
{
osmo_scu_prim_hdr_name_buf(prim_name_buf, sizeof(prim_name_buf), oph);
return prim_name_buf;
}
int osmo_scu_prim_hdr_name_buf(char *buf, size_t buflen, const struct osmo_prim_hdr *oph)
{
struct osmo_strbuf sb = { .buf = buf, .len = buflen };
if (!oph) {
OSMO_STRBUF_PRINTF(sb, "null");
return sb.chars_needed;
}
OSMO_STRBUF_PRINTF(sb, "%s.%s",
osmo_scu_prim_type_name(oph->primitive),
osmo_prim_operation_name(oph->operation));
return sb.chars_needed;
}
char *osmo_scu_prim_hdr_name_c(void *ctx, const struct osmo_prim_hdr *oph)
{
OSMO_NAME_C_IMPL(ctx, 32, "ERROR", osmo_scu_prim_hdr_name_buf, oph)
}
#include <osmocom/sigtran/sigtran_sap.h>
const struct value_string osmo_xlm_prim_names[] = {
{ OSMO_XLM_PRIM_M_SCTP_ESTABLISH, "M-SCTP_ESTABLISH" },
{ OSMO_XLM_PRIM_M_SCTP_RELEASE, "M-SCTP_RELEASE" },
{ OSMO_XLM_PRIM_M_SCTP_RESTART, "M-SCTP_RESTART" },
{ OSMO_XLM_PRIM_M_SCTP_STATUS, "M-SCTP_STATUS" },
{ OSMO_XLM_PRIM_M_ASP_STATUS, "M-ASP_STATUS" },
{ OSMO_XLM_PRIM_M_AS_STATUS, "M-AS_STATUS" },
{ OSMO_XLM_PRIM_M_NOTIFY, "M-NOTIFY" },
{ OSMO_XLM_PRIM_M_ERROR, "M-ERROR" },
{ OSMO_XLM_PRIM_M_ASP_UP, "M-ASP_UP" },
{ OSMO_XLM_PRIM_M_ASP_DOWN, "M-ASP_DOWN" },
{ OSMO_XLM_PRIM_M_ASP_ACTIVE, "M-ASP_ACTIVE" },
{ OSMO_XLM_PRIM_M_ASP_INACTIVE, "M-ASP_INACTIVE" },
{ OSMO_XLM_PRIM_M_AS_ACTIVE, "M-AS_ACTIVE" },
{ OSMO_XLM_PRIM_M_AS_INACTIVE, "M-AS_INACTIVE" },
{ OSMO_XLM_PRIM_M_AS_DOWN, "M-AS_DOWN" },
/* optional as per spec, not implemented yet */
{ OSMO_XLM_PRIM_M_RK_REG, "M-RK_REG" },
{ OSMO_XLM_PRIM_M_RK_DEREG, "M-RK_DEREG" },
{ 0, NULL },
};
char *osmo_xlm_prim_name(struct osmo_prim_hdr *oph)
{
const char *name = get_value_string(osmo_xlm_prim_names, oph->primitive);
snprintf(prim_name_buf, sizeof(prim_name_buf), "%s.%s", name,
get_value_string(osmo_prim_op_names, oph->operation));
return prim_name_buf;
}
const struct value_string osmo_sccp_routing_ind_names[] = {
{ OSMO_SCCP_RI_NONE, "NONE" },
{ OSMO_SCCP_RI_GT, "GT" },
{ OSMO_SCCP_RI_SSN_PC, "SSN_PC" },
{ OSMO_SCCP_RI_SSN_IP, "SSN_IP" },
{ 0, NULL }
};
const struct value_string osmo_sccp_gti_names[] = {
{ OSMO_SCCP_GTI_NO_GT, "NO_GT" },
{ OSMO_SCCP_GTI_NAI_ONLY, "NAI_ONLY" },
{ OSMO_SCCP_GTI_TT_ONLY, "TT_ONLY" },
{ OSMO_SCCP_GTI_TT_NPL_ENC, "TT_NPL_ENC" },
{ OSMO_SCCP_GTI_TT_NPL_ENC_NAI, "TT_NPL_ENC_NAI" },
{ 0, NULL }
};
const struct value_string osmo_sccp_ssn_names[] = {
{ OSMO_SCCP_SSN_MGMT, "MGMT" },
{ OSMO_SCCP_SSN_ISUP, "ISUP" },
{ OSMO_SCCP_SSN_OMAP, "OMAP" },
{ OSMO_SCCP_SSN_MAP, "MAP" },
{ OSMO_SCCP_SSN_HLR, "HLR" },
{ OSMO_SCCP_SSN_VLR, "VLR" },
{ OSMO_SCCP_SSN_MSC, "MSC" },
{ OSMO_SCCP_SSN_EIR, "EIR" },
{ OSMO_SCCP_SSN_AUC, "AUC" },
{ OSMO_SCCP_SSN_ISDN_SS, "ISDN_SS" },
{ OSMO_SCCP_SSN_RES_INTL, "RES_INTL" },
{ OSMO_SCCP_SSN_BISDN, "BISDN" },
{ OSMO_SCCP_SSN_TC_TEST, "TC_TEST" },
{ OSMO_SCCP_SSN_RANAP, "RANAP" },
{ OSMO_SCCP_SSN_RNSAP, "RNSAP" },
{ OSMO_SCCP_SSN_GMLC_MAP, "GMLC_MAP" },
{ OSMO_SCCP_SSN_CAP, "CAP" },
{ OSMO_SCCP_SSN_gsmSCF_MAP, "gsmSCF_MAP" },
{ OSMO_SCCP_SSN_SIWF_MAP, "SIWF_MAP" },
{ OSMO_SCCP_SSN_SGSN_MAP, "SGSN_MAP" },
{ OSMO_SCCP_SSN_GGSN_MAP, "GGSN_MAP" },
{ OSMO_SCCP_SSN_PCAP, "PCAP" },
{ OSMO_SCCP_SSN_BSC_BSSAP_LE, "BSC_BSSAP_LE" },
{ OSMO_SCCP_SSN_MSC_BSSAP_LE, "MSC_BSSAP_LE" },
{ OSMO_SCCP_SSN_SMLC_BSSAP, "SMLC_BSSAP" },
{ OSMO_SCCP_SSN_BSS_OAM, "BSS_OAM" },
{ OSMO_SCCP_SSN_BSSAP, "BSSAP" },
{ 0, NULL }
};