onvif開發(fā)總結

http://www./onvif/ver10/device/wsdl/devicemgmt.wsdlhttp://www./onvif/ver20/analytics/wsdl/analytics.wsdlhttp://www./onvif/ver10/analyticsdevice.wsdlhttp://www./onvif/ver10/media/wsdl/media.wsdl http://www./onvif/ver10/deviceio.wsdlhttp://www./onvif/ver10/display.wsdlhttp://www./onvif/ver10/event/wsdl/event.wsdlhttp://www./onvif/ver20/imaging/wsdl/imaging.wsdlhttp://www./onvif/ver10/recording.wsdl http://www./onvif/ver10/replay.wsdlhttp://www./onvif/ver10/search.wsdlhttp://www./onvif/ver10/receiver.wsdlhttp://www./onvif/ver20/ptz/wsdl/ptz.wsdl

3) 下載到本地生成

l 從ONVIF官網(wǎng)上把相關的WSDL文檔下載到本地,下載地址（詳細參見備注說明），此外還需下載樣式表,下載地址見WSDL文檔中的schemaLocation。

l 將wsdl2.exe、typemap.dath、WSDL文檔和樣式表放入同一文件夾中。

l 將相關WSDL文檔中的樣式表引入路徑(schemaLocation)修改為本地實際地址，如:event.wsdl中schemaLocation="http://www./2005/08/addressing/ws-addr.xsd修改為schemaLocation = ws-addr.xsd

l 利用cmd或批處理執(zhí)行以下命令

wsdl2h.exe -c -s -t typemap.dat -o onvif.hremotediscovery.wsdldevicemgmt.wsdl analytics.wsdl analyticsdevice.wsdl media.wsdl deviceio.wsdldisplay.wsdl event.wsdl imaging.wsdl ecording.wsdl replay.wsdl search.wsdlreceiver.wsdl ptz.wsdl

4) 備注說明

l wsdl2.exe位于gsoap_2.8.14\gsoap-2.8\gsoap\bin

l typemap.dat位于gsoap_2.8.14\gsoap-2.8\gsoap

l wsdl下載地址：http://www./Documents/Specifications.aspx

l 各url之間用空格隔開

l typemap.dat不需要修改

l 鏈接網(wǎng)絡生成方法的優(yōu)點是不用考慮以上文件對其它文件的依賴關系,不用修改引入路徑。該方法的缺點跟網(wǎng)速有關,因此中途可能會中斷,如果超過5分鐘未生成,可重新執(zhí)行命令, 通過代理上網(wǎng)則無法生成,不推薦用此方法。

l 下載本地生成方法的優(yōu)缺點和鏈接網(wǎng)絡方法生成相反,代理網(wǎng)推薦使用此方法。

2. 生成onvif源代碼

1) 整理相關的文件

把剛生成的onvif.h與soapcpp2.exe、import和custom放入同一文件夾，其中:

soapcpp2.exe位于gsoap_2.8.14\gsoap-2.8\gsoap\bin

import位于gsoap_2.8.14\gsoap-2.8\gsoap

custom位于gsoap_2.8.14\gsoap-2.8\gsoap

2) 通過以下命令生成相關源文件

soapcpp2.exe-2 –c onvif.h -I import

3) Soapcpp2相關命令參數(shù)

-2 采用SOAP1.2,

-x 不產(chǎn)生xml文件(不推薦使用此命令,因為xml文檔很有用)

-I 為引入路徑

-C 只產(chǎn)生客戶端代碼(注意:Ｃ是大寫)

4) 備注說明

l 需要在onvif.h中加入#import"wsse.h,用來做安全驗證

l 需要將import目錄下的wsa5.h以下部分注釋掉,否則編譯時會報soap_xxxx_SOAP_ENV__Fault()函數(shù)重復定義。

int SOAP_ENV__Fault

( _QName faultcode, // SOAP 1.1

char *faultstring, //SOAP 1.1

char *faultactor, //SOAP 1.1

struct SOAP_ENV__Detail *detail, // SOAP 1.1

struct SOAP_ENV__Code *SOAP_ENV__Code, // SOAP1.2

struct SOAP_ENV__Reason *SOAP_ENV__Reason, // SOAP 1.2

char *SOAP_ENV__Node, // SOAP 1.2

char *SOAP_ENV__Role, // SOAP 1.2

struct SOAP_ENV__Detail *SOAP_ENV__Detail, // SOAP 1.2

void);

3. 利用gsoap2.8.8生成源代碼和gsoap2.8.14生成的差異

利用gsoap2.8.8生成源代碼方法跟gsoap2.8.14基本一致,但需注意以下區(qū)別:

1) typemap.dat文件中需要添加相關信息

tds ="http://www./ver10/device/wsdl"

tev ="http://www./ver10/events/wsdl"

tls ="http://www./ver10/display/wsdl"

tmd ="http://www./ver10/deviceIO/wsdl"

timg ="http://www./ver20/imaging/wsdl"

trt ="http://www./ver10/media/wsdl"

tptz ="http://www./ver20/ptz/wsdl"

trv ="http://www./ver10/receiver/wsdl"

trc ="http://www./ver10/recording/wsdl"

tse ="http://www./ver10/search/wsdl"

trp ="http://www./ver10/replay/wsdl"

tan ="http://www./ver20/analytics/wsdl"

tad ="http://www./ver10/analyticsdevice/wsdl"

tdn ="http://www./ver10/network/wsdl"

tt ="http://www./ver10/schema"

# OASISrecommended prefixes

wsnt ="http://docs./wsn/b-2"

wsntw ="http://docs./wsn/bw-2"

wsrfbf ="http://docs./wsrf/bf-2"

wsrfr ="http://docs./wsrf/r-2"

wsrfrw = "http://docs./wsrf/rw-2"

wstop ="http://docs./wsn/t-1"

# WS-Discovery 1.0 remapping

wsdd10__HelloType = | wsdd__HelloType

wsdd10__ByeType = | wsdd__ByeType

wsdd10__ProbeType = | wsdd__ProbeType

wsdd10__ProbeMatchesType = | wsdd__ProbeMatchesType

wsdd10__ProbeMatchType = | wsdd__ProbeMatchType

wsdd10__ResolveType = | wsdd__ResolveType

wsdd10__ResolveMatchesType = | wsdd__ResolveMatchesType

wsdd10__ResolveMatchType = | wsdd__ResolveMatchType

# SOAP-ENV mapping

SOAP_ENV__Envelope = struct SOAP_ENV__Envelope { struct SOAP_ENV__Header*SOAP_ENV__Header; _XML SOAP_ENV__Body; }; | struct SOAP_ENV__Envelope

SOAP_ENV__Header = | struct SOAP_ENV__Header

SOAP_ENV__Fault = | struct SOAP_ENV__Fault

SOAP_ENV__Detail = | struct SOAP_ENV__Detail

SOAP_ENV__Code = |struct SOAP_ENV__Code

SOAP_ENV__Subcode = | struct SOAP_ENV__Subcode

SOAP_ENV__Reason = | struct SOAP_ENV__Reason

2) wsa5.h中無SOAP_ENV__Fault函數(shù)

由于wsa5.h中沒有SOAP_ENV__Fault因此不會產(chǎn)生代碼重復，因此不用注釋。

二、新建工程,調(diào)試代碼

1. 新建一個項目

將上面生成的soapH.h、soapStub.h、 wsdd.nsmap、soapC.c、soapClient.c，還有位于gsoap-2.8\gsoap 的:stdsoap2.c、stdsoap2.h和位于\custom中的:duration.c放入工程中，然后編寫main函數(shù),調(diào)試代碼。

2. 文件主要功能說明

wsdd.nsmap 名空間定義，服務器端與客戶端都要包含它,里面有很多,都是

相同的,只需導入一個進入工程就行

stdsoap2.h Header _le of stdsoap2.cppruntime library

stdsoap2.c RuntimeC library with XML parser and run-time support routines soapStub.h soapH.h //Main header file to be included by all client and servicesources

soapC.c //Serializers and deserializers for the specfied datastructures

soapClient.c //Clientstub routines for remote operations

soapStub.h Amodi_ed and annotated header file produced from the input header file

三、設備發(fā)現(xiàn)main函數(shù)說明

#include <iostream>

#include "wsdd.nsmap"

#include "soapH.h"

using namespace std;

int main()

{

/*****聲明變量***********/

structsoap *soap; //soap環(huán)境變量

structwsdd__ProbeType req; //客戶端發(fā)送的Probe

struct__wsdd__ProbeMatches resp; //服務端回的Probematchs

structwsdd__ScopesType sScope; //Probe里面的范圍

structSOAP_ENV__Header header; //SOAP的頭

intresult = 0; //返回值

int count = 0; //獲得的設信息備個數(shù)

/**獲取guid(windows下叫guid,linux下叫uuid),格式為urn:uuid:8-4-4-4-12,由系統(tǒng)隨機產(chǎn)生**/

staticchar buf[64] = {0}; //用來保存guid號

GUID guid; /*聲明guid為GUID結構體變量,包含4個變量,分別是

unsigned longData1;

unsigned short Data2;

unsigned short Data3;

unsigned char Data4[ 8 ];

*/

if (S_OK== CoCreateGuid(&guid)) //如果guid生成成功,則將其轉為字符串,保存在buf中

{

_snprintf(buf,sizeof(buf)

,"urn:uuid:%08X-%04X-%04x-%02X%02X-%02X%02X%02X%02X%02X%02X"

, guid.Data1

, guid.Data2

, guid.Data3

, guid.Data4[0], guid.Data4[1]

, guid.Data4[2], guid.Data4[3], guid.Data4[4],guid.Data4[5]

, guid.Data4[6], guid.Data4[7]

);

}

soap = soap_new(); //初始化soap

if(soap==NULL)

{

return -1;

}

soap_set_namespaces(soap,namespaces); //設置命名空間

soap->recv_timeout = 5; //設置接收Probematchs時間,超過5秒鐘沒有數(shù)據(jù)就退出

soap_default_SOAP_ENV__Header(soap,&header); //將header設置為soap消息的頭屬性

/*****給頭賦值******/

header.wsa__MessageID =buf;

header.wsa__To="urn:schemas-xmlsoap-org:ws:2005:04:discovery";

header.wsa__Action="http://schemas./ws/2005/04/discovery/Probe";

soap->header = &header;

/*設置所需尋找設備的類型和范圍,二者至少設定一個,否則可能收到非ONVIF設備,出現(xiàn)異常*/

soap_default_wsdd__ScopesType(soap,&sScope);

sScope.__item ="onvif://www."; //設置所需設備的sScope

soap_default_wsdd__ProbeType(soap,&req);

req.Scopes = &sScope;

req.Types ="tdn:NetworkVideoTransmitter";

/*設置所需設備的類型,tdn為命名空間前綴,為wsdd.nsmap文件中{"tdn","http://www./ver10/network/wsdl"}的tdn,如過不是tdn,而是其它,如ns1這里也要隨之改為ns1*/

//通過組播發(fā)送Probe探針,發(fā)送成功返回0,否則-1

result = soap_send___wsdd__Probe(soap,"soap.udp://239.255.255.250:3702", NULL, &req);

if(result==-1)

{

cout<<"soap error:"<<soap->error<<soap_faultcode(soap)

<<"---"<<soap_faultstring(soap)<<endl;

}else

{

do{

result = soap_recv___wsdd__ProbeMatches(soap,&resp);

//接收ProbeMatches,成功返回0,否則-1

if (result==-1)

{

cout<<"共發(fā)現(xiàn)"<<count<<"個設備"<<endl;

cout<<"soap error:"<<soap->error<<soap_faultcode(soap)

<<"---"<<soap_faultstring(soap)<<endl;

break;

}else

{

count++;

cout<<"========================================="<<endl;

cout<<"UUID:"<<""<<resp.wsdd__ProbeMatches->ProbeMatch->

wsa__EndpointReference.Address<<endl;

cout<<"Type:"<<""<<resp.wsdd__ProbeMatches->ProbeMatch->Types<<endl;

cout<<"Scopes:"<<""<< resp.wsdd__ProbeMatches->

ProbeMatch->Scopes->__item<<endl;

cout<<"DeviceService Address:"<<""<<resp.wsdd__ProbeMatches->

ProbeMatch->XAddrs<<endl;

cout<<"MetadataVersion:"<<""<<resp.wsdd__ProbeMatches->

ProbeMatch->MetadataVersion<<endl;

}

}while(1);

}

/********清除變量************/

soap_destroy(soap); // removedeserialized class instances (C++ only)

soap_end(soap); //clean up and remove deserialized data

soap_done(soap);

returnresult;

}

四、調(diào)試過程遇到的問題和注意事項

1. 出現(xiàn)如下語法錯誤：

error C2143:語法錯誤 : 缺少“{”(在“:”的前面)

error C2059:語法錯誤 : “:”

error C2143:語法錯誤 : 缺少“{”(在“:”的前面)

需要將工程中的.c文件改成.cpp文件即可。

2. 無法解析的外部命令錯誤soap_check_faultsubcode

在stdsoap2.h中聲明的soap_check_faultsubcode(structsoap *soap)函數(shù)在soapC.cpp中未實現(xiàn), 可在soapC.cpp中添加如下實現(xiàn)：

SOAP_FMAC3 const char * SOAP_FMAC4soap_check_faultsubcode(struct soap *soap)

{

soap_fault(soap);

if(soap->version == 2)

{

if(soap->fault->SOAP_ENV__Code &&soap->fault->SOAP_ENV__Code->SOAP_ENV__Subcode &&soap->fault->SOAP_ENV__Code->SOAP_ENV__Subcode)

returnsoap->fault->SOAP_ENV__Code->SOAP_ENV__Subcode->SOAP_ENV__Value;

return NULL;

}

returnsoap->fault->faultcode;

}

3. 無法解析的外部命令錯誤soap_check_faultdetail

在stdsoap2.h中聲明的soap_check_faultdetail(struct soap *soap)函數(shù)在soapC.cpp中未實現(xiàn), 可在soapC.cpp中添加如下實現(xiàn)：

SOAP_FMAC3 const char * SOAP_FMAC4soap_check_faultdetail(struct soap *soap)

{

soap_fault(soap);

if(soap->version == 2 && soap->fault->SOAP_ENV__Detail)

returnsoap->fault->SOAP_ENV__Detail->__any;

if(soap->fault->detail)

return soap->fault->detail->__any;

returnNULL;

}

4. 出現(xiàn)無法解析的外部符號_soap_in_xsd__duration

無法解析的外部符號_soap_in_xsd__duration，該符號在函數(shù)_soap_getelement中被引用soapC.obj : error LNK2019: 無法解析的外部符號_soap_out_xsd__duration，該符號在函數(shù)_soap_putelement中被引用

soapC.obj: error LNK2019: 無法解析的外部符號_soap_default_xsd__duration，該符號在函數(shù)_soap_default__tse__FindMetadata中被引用

需要將\custom文件夾下面的duration.h和duration.c導入工程中。

5. 在VS中出現(xiàn)fatal error C1128: 節(jié)數(shù)超過對象文件格式限制:請使用/bigobj 進行編譯的錯誤

這是由于源代碼文件太大的原因，需添加選項/bigobj，在項目屬性-> C/C++ ->命令行的附加選項中添加/bigobj。

6. 如果是調(diào)用soap_call_XXXX_Probe()來實現(xiàn)設備發(fā)現(xiàn)時不能發(fā)現(xiàn)所有onvif設備

該函數(shù)實現(xiàn)過程中只有一次接收過程，所以無法發(fā)現(xiàn)所有的設備的問題。如果使用該函數(shù)，還需要對函數(shù)的實現(xiàn)做以下更改：

函數(shù)的接收部分，將原來的XXXX:Response該為YYYY:ProbeMatches,

其中XXXX是.nsmap文件中http://www./ver10/network/wsdl"所對應的命名空間前綴，YYYY與后面YYYY：ProbeMatchesType中的前綴相同，都是http://schemas./ws/2005/04/discovery所對應的命名空間前綴名。

7. 抓包實驗問題

利用gsoap生成的wsdd.namsp如下:

#include "soapH.h"

SOAP_NMAC struct Namespace namespaces[] =

{

{"SOAP-ENV","http://schemas./soap/envelope/","http://www./*/soap-envelope", NULL},

{"SOAP-ENC","http://schemas./soap/encoding/","http://www./*/soap-encoding", NULL},

{"xsi","http://www./2001/XMLSchema-instance","http://www./*/XMLSchema-instance", NULL},

{"xsd","http://www./2001/XMLSchema","http://www./*/XMLSchema", NULL},

{"wsa","http://schemas./ws/2004/08/addressing", NULL, NULL},

{"wsdd","http://schemas./ws/2005/04/discovery", NULL, NULL},

{"chan","http://schemas.microsoft.com/ws/2005/02/duplex", NULL, NULL},

{"wsa5","http://www./2005/08/addressing","http://schemas./ws/2004/08/addressing", NULL},

{"xmime","http:///xmime.xsd", NULL, NULL},

{"xop","http://www./2004/08/xop/include", NULL, NULL},

{"tt","http://www./ver10/schema", NULL, NULL},

{"wsrfbf","http://docs./wsrf/bf-2", NULL, NULL},

{"wstop","http://docs./wsn/t-1", NULL, NULL},

{"wsrfr","http://docs./wsrf/r-2", NULL, NULL},

{"tad","http://www./ver10/analyticsdevice/wsdl", NULL, NULL},

{"tan","http://www./ver20/analytics/wsdl", NULL, NULL},

{"tdn","http://www./ver10/network/wsdl", NULL, NULL},

{"tds","http://www./ver10/device/wsdl", NULL, NULL},

{"tev","http://www./ver10/events/wsdl", NULL, NULL},

{"wsnt","http://docs./wsn/b-2", NULL, NULL},

{"timg","http://www./ver20/imaging/wsdl", NULL, NULL},

{"tls","http://www./ver10/display/wsdl", NULL, NULL},

{"tmd","http://www./ver10/deviceIO/wsdl", NULL, NULL},

{"tptz","http://www./ver20/ptz/wsdl", NULL, NULL},

{"trc","http://www./ver10/recording/wsdl", NULL, NULL},

{"trp","http://www./ver10/replay/wsdl", NULL, NULL},

{"trt","http://www./ver10/media/wsdl", NULL, NULL},

{"trv","http://www./ver10/receiver/wsdl", NULL, NULL},

{"tse","http://www./ver10/search/wsdl", NULL, NULL},

{NULL,NULL, NULL, NULL}

};

1)通過編寫面函數(shù)之后,調(diào)試運行結果如下:

其中http://192.168.106.112:80/onvif/device_service為本地模擬的設備

通過抓包工具獲得信息如下:

2).保留以下命名空間,刪除其它信息:

#include "soapH.h"

SOAP_NMAC struct Namespace namespaces[] =

{

{"SOAP-ENV","http://schemas./soap/envelope/","http://www./*/soap-envelope", NULL},

{"SOAP-ENC","http://schemas./soap/encoding/","http://www./*/soap-encoding", NULL},

{"xsi","http://www./2001/XMLSchema-instance","http://www./*/XMLSchema-instance", NULL},

{"xsd","http://www./2001/XMLSchema","http://www./*/XMLSchema", NULL},

{"wsa","http://schemas./ws/2004/08/addressing", NULL, NULL},

{"wsdd","http://schemas./ws/2005/04/discovery", NULL, NULL},

{"wsa5","http://www./2005/08/addressing","http://schemas./ws/2004/08/addressing", NULL},

{"xmime","http:///xmime.xsd", NULL, NULL},

{"xop","http://www./2004/08/xop/include", NULL, NULL},

{"tt","http://www./ver10/schema", NULL, NULL},

{NULL,NULL, NULL, NULL}

};

調(diào)試運行結果如下:

抓包工具抓到信息如下:

3)測試工具信息如下

抓包信息如下:

4)多次實驗顯示:

wsdd.namsp文件太大時,將會被拆包,192.168.106.164將始終不會回消息,減小命名空間大小,保證只發(fā)送一個UDP包,192.168.106.164將始終能回消息

5) 通過抓包發(fā)現(xiàn),做設備管理功能時客戶端已能構與設備端通信,只是涉及到安全,設備端沒有返回信息

6)在程序運行時,可能會出現(xiàn)一下信息

這是由于Type和Scopes都沒有賦值,接收了非ONVIF的設備

它的body中沒有我們需要的值,所以在輸出時會引起中斷

五、經(jīng)驗總結

1. 對于利用gsoap工具實現(xiàn)基于ONVIF標準的功能,盡量按照如下順序:

了解所需實現(xiàn)的功能原理,參考<<ONVIF_Core_Specification,_version_2.0.pdf>>

了解gsoap工具的使用方法和編程方法,還有文件結構,參考<<gSOAP 2.8.14 User Guide>>,位于gsoap_2.8.14\gsoap-2.8\gsoap\doc\soapdoc2.pdf里面,里面內(nèi)容很多,可根據(jù)需要查找相關內(nèi)容,如The wsdl2h WSDL and Schema Importer(84), Using thesoapcpp2 Compiler and Code Generator(89)SOAP Header Processing(178頁),SOAP/XML Over UDP(208頁)

根據(jù)所需實現(xiàn)的功能查看對應的xml文檔(生成源代碼時產(chǎn)生的,)因為生成的xml文檔是客戶端和服務端通信時所發(fā)送的模板結構,通過它可以了解編碼時所需要填充的信息

了解工程中.h和.cpp的功能

查看別人寫的例子,理解原理，要學會從原理上去分析碰到的問題并解決問題

自己寫代碼驗證，事實求是，替自己負責，替用戶負責。

2. 善于利用抓包工具

從原理上分析問題,能大大提高效率,如果利用測試工具跟客戶端通信,然后進行抓包,能構很好的分析出客戶端需發(fā)送的消息,服務端回的消息,非常利于編碼。

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onvif開發(fā)總結