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gerrit.osmocom.org / osmo-iuh / 3aad6af6a415dff3797b20a3587be15e5e724aee / . / src / tests / rua_helper.c
blob: 70e7724a1df6e66b384d3a9cb08c9b9fc56f437b [file] [log] [blame]
Harald Welte7ac7e042015-12-24 15:53:30 +0100[diff] [blame]1#include "rua_common.h"
2#include "rua_ies_defs.h"
3#include <osmocom/netif/stream.h>
4
5#include "hnbgw.h"
6#include "asn1helpers.h"
7
8struct msgb *rua_new_udt(struct msgb *inmsg)
9{
10 RUA_ConnectionlessTransfer_t out;
11 RUA_ConnectionlessTransferIEs_t ies;
12 struct msgb *msg;
13 int rc;
14
15 memset(&ies, 0, sizeof(ies));
16 OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
17 msgb_free(inmsg);
18
19 memset(&out, 0, sizeof(out));
20 rc = rua_encode_connectionlesstransferies(&out, &ies);
21 if (rc < 0)
22 return NULL;
23
24 msg = rua_generate_initiating_message(RUA_ProcedureCode_id_ConnectionlessTransfer,
25 RUA_Criticality_reject,
26 &asn_DEF_RUA_ConnectionlessTransfer,
27 &out);
28
29 ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_ConnectionlessTransfer, &out);
30
31 DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
32
33 msgb_sctp_ppid(msg) = IUH_PPI_RUA;
34
35 return msg;
36}
37
38struct msgb *rua_new_conn(int is_ps, uint32_t context_id, struct msgb *inmsg)
39{
40 RUA_Connect_t out;
41 RUA_ConnectIEs_t ies;
42 struct msgb *msg;
43 uint32_t ctxidbuf;
44 int rc;
45
46 memset(&ies, 0, sizeof(ies));
47 if (is_ps)
48 ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
49 else
50 ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
51 asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
52 ies.establishment_Cause = RUA_Establishment_Cause_normal_call;
53 OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
54 msgb_free(inmsg);
55
56 memset(&out, 0, sizeof(out));
57 rc = rua_encode_connecties(&out, &ies);
58 if (rc < 0)
59 return NULL;
60
61 msgb_free(inmsg);
62
63 msg = rua_generate_initiating_message(RUA_ProcedureCode_id_Connect,
64 RUA_Criticality_reject,
65 &asn_DEF_RUA_Connect,
66 &out);
67
68 ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_Connect, &out);
69
70 DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
71
72 msgb_sctp_ppid(msg) = IUH_PPI_RUA;
73
74 return msg;
75}
76
77struct msgb *rua_new_dt(int is_ps, uint32_t context_id, struct msgb *inmsg)
78{
79 RUA_DirectTransfer_t out;
80 RUA_DirectTransferIEs_t ies;
81 struct msgb *msg;
82 uint32_t ctxidbuf;
83 int rc;
84
85 memset(&ies, 0, sizeof(ies));
86 if (is_ps)
87 ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
88 else
89 ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
90 asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
91 OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
92 msgb_free(inmsg);
93
94 memset(&out, 0, sizeof(out));
95 rc = rua_encode_directtransferies(&out, &ies);
96 if (rc < 0)
97 return NULL;
98
99 msgb_free(inmsg);
100
101 msg = rua_generate_initiating_message(RUA_ProcedureCode_id_DirectTransfer,
102 RUA_Criticality_reject,
103 &asn_DEF_RUA_DirectTransfer,
104 &out);
105
106 ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_DirectTransfer, &out);
107
108 DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
109
110 msgb_sctp_ppid(msg) = IUH_PPI_RUA;
111
112 return msg;
113}
114
115struct msgb *rua_new_disc(int is_ps, uint32_t context_id, struct msgb *inmsg)
116{
117 RUA_Disconnect_t out;
118 RUA_DisconnectIEs_t ies;
119 struct msgb *msg;
120 uint32_t ctxidbuf;
121 int rc;
122
123 memset(&ies, 0, sizeof(ies));
124 if (is_ps)
125 ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
126 else
127 ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
128 asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
129 /* FIXME: make cause configurable */
130 ies.cause.present = RUA_Cause_PR_radioNetwork;
131 ies.cause.choice.radioNetwork = RUA_CauseRadioNetwork_normal;
132 if (inmsg && inmsg->data&& msgb_length(inmsg)) {
133 ies.presenceMask |= DISCONNECTIES_RUA_RANAP_MESSAGE_PRESENT;
134 OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
135 msgb_free(inmsg);
136 }
137
138 memset(&out, 0, sizeof(out));
139 rc = rua_encode_disconnecties(&out, &ies);
140 if (rc < 0)
141 return NULL;
142
143 msgb_free(inmsg);
144
145 msg = rua_generate_initiating_message(RUA_ProcedureCode_id_Disconnect,
146 RUA_Criticality_reject,
147 &asn_DEF_RUA_Disconnect,
148 &out);
149
150 ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_Disconnect, &out);
151
152 DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));
153
154 msgb_sctp_ppid(msg) = IUH_PPI_RUA;
155
156 return msg;
157}