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#include <stdint.h>
#include <osmocom/netif/stream.h>
#include <osmocom/rua/rua_common.h>
#include <osmocom/rua/rua_ies_defs.h>
#include <osmocom/rua/rua_msg_factory.h>
#include "asn1helpers.h"
#include <osmocom/iuh/hnbgw.h>
struct msgb *rua_new_udt(struct msgb *inmsg)
{
RUA_ConnectionlessTransfer_t out;
RUA_ConnectionlessTransferIEs_t ies;
struct msgb *msg;
int rc;
memset(&ies, 0, sizeof(ies));
OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
msgb_free(inmsg);
memset(&out, 0, sizeof(out));
rc = rua_encode_connectionlesstransferies(&out, &ies);
if (rc < 0)
return NULL;
msg = rua_generate_initiating_message(RUA_ProcedureCode_id_ConnectionlessTransfer,
RUA_Criticality_reject,
&asn_DEF_RUA_ConnectionlessTransfer,
&out);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_ConnectionlessTransfer, &out);
DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
msgb_sctp_ppid(msg) = IUH_PPI_RUA;
return msg;
}
struct msgb *rua_new_conn(int is_ps, uint32_t context_id, struct msgb *inmsg)
{
RUA_Connect_t out;
RUA_ConnectIEs_t ies;
struct msgb *msg;
uint32_t ctxidbuf;
int rc;
memset(&ies, 0, sizeof(ies));
if (is_ps)
ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
else
ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
ies.establishment_Cause = RUA_Establishment_Cause_normal_call;
OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
msgb_free(inmsg);
memset(&out, 0, sizeof(out));
rc = rua_encode_connecties(&out, &ies);
if (rc < 0)
return NULL;
msg = rua_generate_initiating_message(RUA_ProcedureCode_id_Connect,
RUA_Criticality_reject,
&asn_DEF_RUA_Connect,
&out);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_Connect, &out);
DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
msgb_sctp_ppid(msg) = IUH_PPI_RUA;
return msg;
}
struct msgb *rua_new_dt(int is_ps, uint32_t context_id, struct msgb *inmsg)
{
RUA_DirectTransfer_t out;
RUA_DirectTransferIEs_t ies;
struct msgb *msg;
uint32_t ctxidbuf;
int rc;
memset(&ies, 0, sizeof(ies));
if (is_ps)
ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
else
ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
msgb_free(inmsg);
memset(&out, 0, sizeof(out));
rc = rua_encode_directtransferies(&out, &ies);
if (rc < 0)
return NULL;
msg = rua_generate_initiating_message(RUA_ProcedureCode_id_DirectTransfer,
RUA_Criticality_reject,
&asn_DEF_RUA_DirectTransfer,
&out);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_DirectTransfer, &out);
DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
msgb_sctp_ppid(msg) = IUH_PPI_RUA;
return msg;
}
struct msgb *rua_new_disc(int is_ps, uint32_t context_id, struct msgb *inmsg)
{
RUA_Disconnect_t out;
RUA_DisconnectIEs_t ies;
struct msgb *msg;
uint32_t ctxidbuf;
int rc;
memset(&ies, 0, sizeof(ies));
if (is_ps)
ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
else
ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
/* FIXME: make cause configurable */
ies.cause.present = RUA_Cause_PR_radioNetwork;
ies.cause.choice.radioNetwork = RUA_CauseRadioNetwork_normal;
if (inmsg && inmsg->data&& msgb_length(inmsg)) {
ies.presenceMask |= DISCONNECTIES_RUA_RANAP_MESSAGE_PRESENT;
OCTET_STRING_fromBuf(&ies.ranaP_Message, inmsg->data, msgb_length(inmsg));
}
msgb_free(inmsg);
memset(&out, 0, sizeof(out));
rc = rua_encode_disconnecties(&out, &ies);
if (rc < 0)
return NULL;
msg = rua_generate_initiating_message(RUA_ProcedureCode_id_Disconnect,
RUA_Criticality_reject,
&asn_DEF_RUA_Disconnect,
&out);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_Disconnect, &out);
DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
msgb_sctp_ppid(msg) = IUH_PPI_RUA;
return msg;
}
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