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);
83 typedef struct SalStreamDescription{
88 MSList *payloads; //<list of PayloadType
91 } SalStreamDescription;
93 #define SAL_MEDIA_DESCRIPTION_MAX_STREAMS 4
95 typedef struct SalMediaDescription{
100 SalStreamDescription streams[SAL_MEDIA_DESCRIPTION_MAX_STREAMS];
101 } SalMediaDescription;
103 SalMediaDescription *sal_media_description_new();
104 void sal_media_description_ref(SalMediaDescription *md);
105 void sal_media_description_unref(SalMediaDescription *md);
106 SalStreamDescription *sal_media_description_find_stream(SalMediaDescription *md,
107 SalMediaProto proto, SalStreamType type);
109 /*this structure must be at the first byte of the SalOp structure defined by implementors*/
110 typedef struct SalOpBase{
116 SalMediaDescription *local_media;
117 SalMediaDescription *remote_media;
122 typedef enum SalError{
125 SalErrorFailure, /* see SalReason for more details */
129 typedef enum SalReason{
133 SalReasonTemporarilyUnavailable,
135 SalReasonDoNotDisturb,
140 typedef enum SalPresenceStatus{
144 SalPresenceBerightback,
146 SalPresenceOnthephone,
147 SalPresenceOuttolunch,
148 SalPresenceDonotdisturb,
150 SalPresenceAltService,
153 typedef void (*SalOnCallReceived)(SalOp *op);
154 typedef void (*SalOnCallRinging)(SalOp *op);
155 typedef void (*SalOnCallAccepted)(SalOp *op);
156 typedef void (*SalOnCallAck)(SalOp *op);
157 typedef void (*SalOnCallUpdated)(SalOp *op);
158 typedef void (*SalOnCallTerminated)(SalOp *op);
159 typedef void (*SalOnCallFailure)(SalOp *op, SalError error, SalReason reason, const char *details);
160 typedef void (*SalOnAuthRequested)(SalOp *op, const char *realm, const char *username);
161 typedef void (*SalOnAuthSuccess)(SalOp *op, const char *realm, const char *username);
162 typedef void (*SalOnRegisterSuccess)(SalOp *op, bool_t registered);
163 typedef void (*SalOnRegisterFailure)(SalOp *op, SalError error, SalReason reason, const char *details);
164 typedef void (*SalOnVfuRequest)(SalOp *op);
165 typedef void (*SalOnDtmfReceived)(SalOp *op, char dtmf);
166 typedef void (*SalOnRefer)(Sal *sal, SalOp *op, const char *referto);
167 typedef void (*SalOnTextReceived)(Sal *sal, const char *from, const char *msg);
168 typedef void (*SalOnPresenceChanged)(SalOp *op, SalPresenceStatus status, const char *msg);
169 typedef void (*SalOnSubscribeReceived)(SalOp *sal, const char *from);
170 typedef void (*SalOnInternalMsg)(Sal *sal, const char *msg);
172 typedef struct SalCallbacks{
173 SalOnCallReceived call_received;
174 SalOnCallRinging call_ringing;
175 SalOnCallAccepted call_accepted;
176 SalOnCallAck call_ack;
177 SalOnCallUpdated call_updated;
178 SalOnCallTerminated call_terminated;
179 SalOnCallFailure call_failure;
180 SalOnAuthRequested auth_requested;
181 SalOnAuthSuccess auth_success;
182 SalOnRegisterSuccess register_success;
183 SalOnRegisterFailure register_failure;
184 SalOnVfuRequest vfu_request;
185 SalOnDtmfReceived dtmf_received;
186 SalOnRefer refer_received;
187 SalOnTextReceived text_received;
188 SalOnPresenceChanged presence_changed;
189 SalOnSubscribeReceived subscribe_received;
190 SalOnInternalMsg internal_message;
193 typedef struct SalAuthInfo{
200 void sal_set_callbacks(Sal *ctx, const SalCallbacks *cbs);
201 int sal_listen_port(Sal *ctx, const char *addr, int port, SalTransport tr, int is_secure);
202 void sal_set_user_agent(Sal *ctx, const char *user_agent);
203 void sal_use_session_timers(Sal *ctx, int expires);
204 int sal_iterate(Sal *sal);
206 /*create an operation */
207 SalOp * sal_op_new(Sal *sal);
209 /*generic SalOp API, working for all operations */
210 void sal_op_set_contact(SalOp *op, const char *contact);
211 void sal_op_set_route(SalOp *op, const char *route);
212 void sal_op_set_from(SalOp *op, const char *from);
213 void sal_op_set_to(SalOp *op, const char *to);
214 void sal_op_release(SalOp *h);
215 void sal_op_authenticate(SalOp *h, const SalAuthInfo *info);
216 void sal_op_set_user_pointer(SalOp *h, void *up);
217 const char *sal_op_get_from(const SalOp *op);
218 const char *sal_op_get_to(const SalOp *op);
219 const char *sal_op_get_contact(const SalOp *op);
220 const char *sal_op_get_route(const SalOp *op);
221 void *sal_op_get_user_pointer(const SalOp *op);
224 int sal_call_set_local_media_description(SalOp *h, SalMediaDescription *desc);
225 int sal_call(SalOp *h, const char *from, const char *to);
226 int sal_call_accept(SalOp*h);
227 int sal_call_decline(SalOp *h, SalReason reason, const char *redirection /*optional*/);
228 const SalMediaDescription * sal_call_get_final_media_description(SalOp *h);
229 int sal_call_terminate(SalOp *h);
232 int sal_register(SalOp *op, const char *proxy, const char *from, int expires);
235 int sal_text_send(SalOp *op, const char *from, const char *to, const char *text);
237 /*presence Subscribe/notify*/
238 int sal_subscribe_presence(SalOp *op, const char *from, const char *to);
239 int sal_subscribe_accept(SalOp *op);
240 int sal_subscribe_decline(SalOp *op);
241 int sal_notify_presence(SalOp *op, SalPresenceStatus status, const char *status_message);
244 #define payload_type_set_number(pt,n) (pt)->user_data=(void*)((long)n);
245 #define payload_type_get_number(pt) ((int)(long)(pt)->user_data)
248 void sal_get_default_local_ip(Sal *sal, int address_family, char *ip, size_t iplen);
252 void __sal_op_init(SalOp *b, Sal *sal);
253 void __sal_op_free(SalOp *b);