3 Copyright (C) 2010 Simon MORLAT (simon.morlat@free.fr)
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 This header files defines the Signaling Abstraction Layer.
22 The purpose of this layer is too allow experiment different call signaling
23 protocols and implementations under linphone, for example SIP, JINGLE...
29 #include "mediastreamer2/mscommon.h"
33 typedef struct Sal Sal;
37 typedef struct SalOp SalOp;
41 typedef struct SalAddress SalAddress;
43 /* Address manipulation API*/
44 SalAddress * sal_address_new(const char *uri);
45 SalAddress * sal_address_clone(const SalAddress *addr);
46 const char *sal_address_get_scheme(const SalAddress *addr);
47 const char *sal_address_get_display_name(const SalAddress* addr);
48 const char *sal_address_get_username(const SalAddress *addr);
49 const char *sal_address_get_domain(const SalAddress *addr);
50 void sal_address_set_display_name(SalAddress *addr, const char *display_name);
51 void sal_address_set_username(SalAddress *addr, const char *username);
52 void sal_address_set_domain(SalAddress *addr, const char *host);
53 void sal_address_set_port(SalAddress *addr, const char *port);
54 void sal_address_set_port_int(SalAddress *uri, int port);
55 void sal_address_clean(SalAddress *addr);
56 char *sal_address_as_string(const SalAddress *u);
57 char *sal_address_as_string_uri_only(const SalAddress *u);
58 void sal_address_destroy(SalAddress *u);
64 void sal_uninit(Sal* sal);
65 void sal_set_user_pointer(Sal *sal, void *user_data);
66 void *sal_get_user_pointer(const Sal *sal);
85 typedef struct SalStreamDescription{
90 MSList *payloads; //<list of PayloadType
93 } SalStreamDescription;
95 #define SAL_MEDIA_DESCRIPTION_MAX_STREAMS 4
97 typedef struct SalMediaDescription{
102 SalStreamDescription streams[SAL_MEDIA_DESCRIPTION_MAX_STREAMS];
103 } SalMediaDescription;
105 SalMediaDescription *sal_media_description_new();
106 void sal_media_description_ref(SalMediaDescription *md);
107 void sal_media_description_unref(SalMediaDescription *md);
108 bool_t sal_media_description_empty(SalMediaDescription *md);
109 SalStreamDescription *sal_media_description_find_stream(SalMediaDescription *md,
110 SalMediaProto proto, SalStreamType type);
112 /*this structure must be at the first byte of the SalOp structure defined by implementors*/
113 typedef struct SalOpBase{
119 SalMediaDescription *local_media;
120 SalMediaDescription *remote_media;
125 typedef enum SalError{
128 SalErrorFailure, /* see SalReason for more details */
132 typedef enum SalReason{
136 SalReasonTemporarilyUnavailable,
138 SalReasonDoNotDisturb,
144 typedef enum SalPresenceStatus{
148 SalPresenceBerightback,
150 SalPresenceOnthephone,
151 SalPresenceOuttolunch,
152 SalPresenceDonotdisturb,
154 SalPresenceAltService,
157 typedef void (*SalOnCallReceived)(SalOp *op);
158 typedef void (*SalOnCallRinging)(SalOp *op);
159 typedef void (*SalOnCallAccepted)(SalOp *op);
160 typedef void (*SalOnCallAck)(SalOp *op);
161 typedef void (*SalOnCallUpdated)(SalOp *op);
162 typedef void (*SalOnCallTerminated)(SalOp *op, const char *from);
163 typedef void (*SalOnCallFailure)(SalOp *op, SalError error, SalReason reason, const char *details);
164 typedef void (*SalOnAuthRequested)(SalOp *op, const char *realm, const char *username);
165 typedef void (*SalOnAuthSuccess)(SalOp *op, const char *realm, const char *username);
166 typedef void (*SalOnRegisterSuccess)(SalOp *op, bool_t registered);
167 typedef void (*SalOnRegisterFailure)(SalOp *op, SalError error, SalReason reason, const char *details);
168 typedef void (*SalOnVfuRequest)(SalOp *op);
169 typedef void (*SalOnDtmfReceived)(SalOp *op, char dtmf);
170 typedef void (*SalOnRefer)(Sal *sal, SalOp *op, const char *referto);
171 typedef void (*SalOnTextReceived)(Sal *sal, const char *from, const char *msg);
172 typedef void (*SalOnPresenceChanged)(SalOp *op, SalPresenceStatus status, const char *msg);
173 typedef void (*SalOnSubscribeReceived)(SalOp *sal, const char *from);
174 typedef void (*SalOnInternalMsg)(Sal *sal, const char *msg);
176 typedef struct SalCallbacks{
177 SalOnCallReceived call_received;
178 SalOnCallRinging call_ringing;
179 SalOnCallAccepted call_accepted;
180 SalOnCallAck call_ack;
181 SalOnCallUpdated call_updated;
182 SalOnCallTerminated call_terminated;
183 SalOnCallFailure call_failure;
184 SalOnAuthRequested auth_requested;
185 SalOnAuthSuccess auth_success;
186 SalOnRegisterSuccess register_success;
187 SalOnRegisterFailure register_failure;
188 SalOnVfuRequest vfu_request;
189 SalOnDtmfReceived dtmf_received;
190 SalOnRefer refer_received;
191 SalOnTextReceived text_received;
192 SalOnPresenceChanged presence_changed;
193 SalOnSubscribeReceived subscribe_received;
194 SalOnInternalMsg internal_message;
197 typedef struct SalAuthInfo{
204 void sal_set_callbacks(Sal *ctx, const SalCallbacks *cbs);
205 int sal_listen_port(Sal *ctx, const char *addr, int port, SalTransport tr, int is_secure);
206 void sal_set_user_agent(Sal *ctx, const char *user_agent);
207 void sal_masquerade(Sal *ctx, const char *ip);
208 void sal_use_session_timers(Sal *ctx, int expires);
209 int sal_iterate(Sal *sal);
211 /*create an operation */
212 SalOp * sal_op_new(Sal *sal);
214 /*generic SalOp API, working for all operations */
215 void sal_op_set_contact(SalOp *op, const char *contact);
216 void sal_op_set_route(SalOp *op, const char *route);
217 void sal_op_set_from(SalOp *op, const char *from);
218 void sal_op_set_to(SalOp *op, const char *to);
219 void sal_op_release(SalOp *h);
220 void sal_op_authenticate(SalOp *h, const SalAuthInfo *info);
221 void sal_op_set_user_pointer(SalOp *h, void *up);
222 const char *sal_op_get_from(const SalOp *op);
223 const char *sal_op_get_to(const SalOp *op);
224 const char *sal_op_get_contact(const SalOp *op);
225 const char *sal_op_get_route(const SalOp *op);
226 void *sal_op_get_user_pointer(const SalOp *op);
229 int sal_call_set_local_media_description(SalOp *h, SalMediaDescription *desc);
230 int sal_call(SalOp *h, const char *from, const char *to);
231 int sal_call_notify_ringing(SalOp *h);
232 int sal_call_accept(SalOp*h);
233 int sal_call_decline(SalOp *h, SalReason reason, const char *redirection /*optional*/);
234 SalMediaDescription * sal_call_get_final_media_description(SalOp *h);
235 int sal_refer(SalOp *h, const char *refer_to);
236 int sal_call_send_dtmf(SalOp *h, char dtmf);
237 int sal_call_terminate(SalOp *h);
240 int sal_register(SalOp *op, const char *proxy, const char *from, int expires);
243 int sal_text_send(SalOp *op, const char *from, const char *to, const char *text);
245 /*presence Subscribe/notify*/
246 int sal_subscribe_presence(SalOp *op, const char *from, const char *to);
247 int sal_subscribe_accept(SalOp *op);
248 int sal_subscribe_decline(SalOp *op);
249 int sal_notify_presence(SalOp *op, SalPresenceStatus status, const char *status_message);
252 #define payload_type_set_number(pt,n) (pt)->user_data=(void*)((long)n);
253 #define payload_type_get_number(pt) ((int)(long)(pt)->user_data)
256 void sal_get_default_local_ip(Sal *sal, int address_family, char *ip, size_t iplen);
260 void __sal_op_init(SalOp *b, Sal *sal);
261 void __sal_op_free(SalOp *b);