SIP parser |
URL parser |
SDP parser |
Finite
State
Machines
|
Dialogue Facilities |
SDP negotiation
Facilities
|
Application |
状态机模块 |
解析器模块 |
工具模块(可选项)
|
oSIP模块
|
图2-1 oSIP结构
|
ICT_PRE_CALLING |
ICT_COMPLETED |
ICT_PROCEEDING |
ICT_TERMINATED |
Transaction initialization
|
ICT_CALLING |
cb_ict_transport_error
|
cb_ict_invite_sent
|
cb_ict_invite_sent2 |
cb_ict_transport_error
|
图 2-2: ICT State Machine
|
cb_ict_kill_transaction
|
cb_ict_transport_error
|
cb_ict_1xx_received
|
cb_ict_2xx_received
|
cb_ict_transport_error |
cb_ict_1xx_received |
cb_ict_Nxx_received
|
cb_ict_Nxx_received
|
cb_ict_3456xx_received2
cb_ict_ack_sent2
|
cb_ict_xxx_xxxx
|
表示从一种状态转换到另一种状态时将调用该回调函数 |
表示从一种状态转换到另一种状态时不调用任何回调函数 |
NICT_PRE_TRYING |
NICT_COMPLETED |
NICT_PROCEEDING |
NICT_TERMINATED |
Transaction initialization
|
NICT_TRYING |
cb_nict_transport_error
|
cb_nict_XXX_sent
|
cb_nict_request_sent2 |
cb_nict_1xx_received
|
图2-3: NICT State Machine
|
cb_nict_Nxx_received
|
cb_nict_kill_transaction
|
cb_nict_transport_error
|
cb_nict_request_sent2 |
cb_nict_1xx_received
|
cb_nict_Nxx_received
|
cb_nict_transport_error
|
cb_nict_xxx_xxxx
|
表示从一种状态转换到另一种状态时将调用该回调函数 |
表示从一种状态转换到另一种状态时不调用任何回调函数 |
IST_PRE_PROCEEDING |
IST_CONFIRMED |
IST_COMPLETED |
IST_TERMINATED |
Transaction initialization
|
IST_PROCEEDING |
cb_ist_invite_received
|
cb_ist_Nxx_sent
|
图2-4: IST State Machine
|
cb_ist_ack_received
|
cb_ist_1xx_sent
|
cb_ist_transport_error
|
cb_ist_2xx_sent
|
cb_ist_ack_received2
|
cb_ist_3456xx_sent2 |
cb_ist_invite_received2 |
cb_ist_kill_transaction
|
cb_ist_transport_error
|
cb_ist_xxx_xxxx
|
表示从一种状态转换到另一种状态时将调用该回调函数 |
表示从一种状态转换到另一种状态时不调用任何回调函数 |
NIST_PRE_TRYING |
NIST_COMPLETED |
NIST_PROCEEDING |
NIST_TERMINATED |
Transaction initialization
|
NIST_TRYING |
cb_nist_XXX_ received
|
cb_nist_1xx_sent
|
图2-5: NIST State Machine
|
cb_nist_Nxx_sent
|
cb_nist_kill_transaction
|
cb_nist_transport_error
|
cb_nist_1xx_sent
|
cb_nist_Nxx_sent
|
cb_nist_transport_error
|
cb_nist_request_received2 |
cb_nist_request_received2
|
cb_nist_xxx_xxxx
|
表示从一种状态转换到另一种状态时将调用该回调函数 |
表示从一种状态转换到另一种状态时不调用任何回调函数 |
SIP Header(头域) | Functions(函数名称—简写) | |
Accept | set(),get() | ☆ |
Accept-Encoding |
set(),get(),init(),parse(),2char(),free(),clone()
Getelement(),setelement()
|
☆ |
Accept-Language | set(),get() | ☆ |
Alert-Info | set(),get() | ☆ |
Allow | set(),get() | ☆ |
Authentication-Info | ||
Authorization |
Init(),set(),parse(),get(),getauth_type(),setauth_type(),
Getusername(),setusername(),getrealm(),setrealm(),
Getnonce(),setnonce(),geturi(),seturi(),getresponse(),
Setresponse(),getdigest(),setdigest(),getalgorithm(),
Setalgorithm(),getcnonce(),setcnonce(),getopaque(),
Setopaque(),getmessage_qop(),setmessage_qop(),
getnonce_count(),setnonce_count(),2char(),free(),
clone()
|
☆ |
Call-ID |
set(),get(),parse(),2char(),free(),clone(),getnumber(),
setnumber(),gethost(),sethost()
|
☆ |
Call-Info |
set(),get(),init(),parse(),2char(),free(),clone(),
geturi(),seturi()
|
☆ |
Contact | set(),get(),init(),parse(),2char(),free(),clone() | ☆ |
Content-Disposition | set(),get(),parse() | ☆ |
Content-Encoding | set(),get() | ☆ |
Content-Language | ||
Content-Length | set(),get(),init(),parse(),2char(),free(),clone() | ☆ |
Content-Type | set(),get(),init(),parse(),2char(),free(),clone() | ☆ |
CSeq |
set(),get(),init(),parse(),2char(),free(),clone(),
getnumber(),setnumber(),getmethod(),setmethod()
|
☆ |
Date | ||
Error-Info | set(),get() | ☆ |
Expires | ||
From |
set(),get(),init(),parse(),2char(),free(),clone(),
getdisplayname(),setdisplayname(),geturl(),seturl(),
param_get(),param_parseall(),param_setvalue(),
param_getvalue(),param_getname(),param_setname(),
compare()
|
☆ |
In-Reply-To | ||
Max-Forwards | ||
Min-Expires | ||
MIME-Version | set(),get() | ☆ |
Organization | ||
Priority | ||
Proxy-Authenticate | set(),get() | ☆ |
Proxy-Authorization | set(),get() | ☆ |
Proxy-Require | ||
Record-Route | set(),get(),init(),parse(),2char(),free() | ☆ |
Reply-To | ||
Require | ||
Retry-After | ||
Route | set(),get(),init(),parse(),2char(),free() | ☆ |
Server | ||
Subject | ||
Supported | ||
Timestamp | ||
To | set(),get(),init(),parse(),2char(),free(),clone() | ☆ |
Unsupported | ||
User-Agent | ||
Via |
set(),append(),get(),init(),free(),parse(),2char(),
setversion(),getversion(),setprotocol(),getprotocol(),
sethost(),gethost(),setport(),getport(),setcomment(),
getcomment(),clone()
|
☆ |
Warning | ||
WWW-Authenticate |
Init(),set(),quoted_string_set(),token_set(),parse(),
get(),getauth_type(),setauth_type(),getrealm(),setrealm(),
getdomain(),setdomain(),getnonce(),setnonce(),getstale(),
setstale(),getopaque(),setopaque(),getalgorithm(),
setalgorithm(),getqop_options(),setqop_options(),2char(),
free(),clone()
|
☆ |
type(类型) | Functions(函数名称—简写) |
v | version_set(),version_get() |
o |
origin_set(),username_get(),sess_id_get(),
sess_version_get(),nettype_get(),addrtype_get(),
addr_get()
|
s | name_set(),name_get() |
i | info_set(),info_get() |
u | uri_set(),uri_get() |
e | email_add(),email_get() |
p | phone_add(),phone_get() |
c |
connection_add(),connection_get(),nettype_get(),
addrtype_get(),addr_get(),addr_multicast_ttl_get(),
addr_multicast_int_get()
|
b | bandwidth_add(),bwtype_get(),bandwidth_get() |
t | time_descr_add(),start_time_get(),stop_time_get() |
r | repeat_add(),repeat_get() |
z | adjustments_set(),adjustments_get() |
k | key_set(),keytype_get(),keydata_get() |
a | attribute_add(),att_field_get(),att_value_get() |
m |
media_add(),media_get(),port_get(),number_of_port_get(),
proto_get(),payload_add(),payload_get(),
|
Receive/Send
SIP Messages
|
SIP parser |
URL parser |
SDP parser |
Finite
State
Machines
|
Dialogue Facilities |
SDP negotiation
Facilities
|
Main thread |
状态机模块 |
解析器模块 |
工具模块(可选项)
|
oSIP模块
|
图4-1 oSIP应用
|
Receive/Send
RTP/RTCP
|
oSIP
Instance
|
Transaction
Context
|
①
|
②
|
③
|
⑥
|
④
|
⑤
|
⑦
|
B
|
A
|
Application
|
osip_global_init
()
和
osip_init()
,具体
操作代码如下:
osip_t *osip;
// initialise internal element first
if (0!=osip_global_init())
return -1;
// allocate a global osip element.
if (0!=osip_init(&osip))
return -1;
|
osip_setcb_send_message(osip, &application_cb_snd_message);
|
osip_setcb_ict_kill_transaction(osip,&application_cb_ict_kill_transaction);
osip_setcb_ist_kill_transaction(osip,&application_cb_ist_kill_transaction);
osip_setcb_nict_kill_transaction(osip,&application_cb_nict_kill_transaction);
osip_setcb_nist_kill_transaction(osip,&application_cb_nist_kill_transaction);
|
osip_setcb_ict_transport_error(osip,&application_cb_transport_error);
osip_setcb_ist_transport_error(osip,&application_cb_transport_error);
osip_setcb_nict_transport_error(osip,&application_cb_transport_error);
osip_setcb_nist_transport_error(osip,&application_cb_transport_error);
|
osip_setcb_ict_2xx_received2(osip,&application_cb_rcvresp_retransmission);
osip_setcb_ict_3456xx_received2(osip,&application_cb_rcvresp_retransmission);
osip_setcb_ict_invite_sent2(osip,&application_cb_sndreq_retransmission);
osip_setcb_ist_2xx_sent2(osip,&application_cb_sndresp_retransmission);
osip_setcb_ist_3456xx_sent2(osip,&application_cb_sndresp_retransmission);
osip_setcb_ist_invite_received2(osip,&application_cb_rcvreq_retransmission);
osip_setcb_nict_2xx_received2(osip,&application_cb_rcvresp_retransmission);
osip_setcb_nict_3456xx_received2(osip,&application_cb_rcvresp_retransmission);
osip_setcb_nict_request_sent2(osip,&application_cb_sndreq_retransmission);
osip_setcb_nist_2xx_sent2(osip,&application_cb_sndresp_retransmission);
osip_setcb_nist_3456xx_sent2(osip,&application_cb_sndresp_retransmission);
osip_setcb_nist_request_received2(osip,&application_cb_rcvreq_retransmission);
osip_setcb_ict_invite_sent (osip,&application_cb_sndinvite);
osip_setcb_ict_ack_sent (osip,&application_cb_sndack);
osip_setcb_nict_register_sent(osip,&application_cb_sndregister);
osip_setcb_nict_bye_sent (osip,&application_cb_sndbye);
osip_setcb_nict_cancel_sent (osip,&application_cb_sndcancel);
osip_setcb_nict_info_sent (osip,&application_cb_sndinfo);
osip_setcb_nict_options_sent (osip,&application_cb_sndoptions);
osip_setcb_nict_subscribe_sent (osip,&application_cb_sndoptions);
osip_setcb_nict_notify_sent (osip,&application_cb_sndoptions);
osip_setcb_nict_unknown_sent(osip,&application_cb_sndunkrequest);
osip_setcb_ict_1xx_received(osip,&application_cb_rcv1xx);
osip_setcb_ict_2xx_received(osip,&application_cb_rcv2xx);
osip_setcb_ict_3xx_received(osip,&application_cb_rcv3xx);
osip_setcb_ict_4xx_received(osip,&application_cb_rcv4xx);
osip_setcb_ict_5xx_received(osip,&application_cb_rcv5xx);
osip_setcb_ict_6xx_received(osip,&application_cb_rcv6xx);
osip_setcb_ist_1xx_sent(osip,&application_cb_snd1xx);
osip_setcb_ist_2xx_sent(osip,&application_cb_snd2xx);
osip_setcb_ist_3xx_sent(osip,&application_cb_snd3xx);
osip_setcb_ist_4xx_sent(osip,&application_cb_snd4xx);
osip_setcb_ist_5xx_sent(osip,&application_cb_snd5xx);
|
osip_setcb_ist_6xx_sent(osip,&application_cb_snd6xx);
osip_setcb_nict_1xx_received(osip,&application_cb_rcv1xx);
osip_setcb_nict_2xx_received(osip,&application_cb_rcv2xx);
osip_setcb_nict_3xx_received(osip,&application_cb_rcv3xx);
osip_setcb_nict_4xx_received(osip,&application_cb_rcv4xx);
osip_setcb_nict_5xx_received(osip,&application_cb_rcv5xx);
osip_setcb_nict_6xx_received(osip,&application_cb_rcv6xx);
osip_setcb_nist_1xx_sent(osip,&application_cb_snd1xx);
osip_setcb_nist_2xx_sent(osip,&application_cb_snd2xx);
osip_setcb_nist_3xx_sent(osip,&application_cb_snd3xx);
osip_setcb_nist_4xx_sent(osip,&application_cb_snd4xx);
osip_setcb_nist_5xx_sent(osip,&application_cb_snd5xx);
osip_setcb_nist_6xx_sent(osip,&application_cb_snd6xx);
osip_setcb_ist_invite_received (osip,&application_cb_rcvinvite);
osip_setcb_ist_ack_received (osip,&application_cb_rcvack);
osip_setcb_ist_ack_received2 (osip,&application_cb_rcvack2);
osip_setcb_nist_register_received(osip,&application_cb_rcvregister);
osip_setcb_nist_bye_received (osip,&application_cb_rcvbye);
osip_setcb_nist_cancel_received (osip,&application_cb_rcvcancel);
osip_setcb_nist_info_received (osip,&application_cb_rcvinfo);
osip_setcb_nist_options_received (osip,&application_cb_rcvoptions);
osip_setcb_nist_subscribe_received(osip,&application_cb_rcvoptions);
osip_setcb_nist_notify_received (osip,&application_cb_rcvoptions);
osip_setcb_nist_unknown_received (osip,&application_cb_rcvunkrequest);
|