Onvif备忘录(2)----设备发现

     续上篇，框架代码生成之后，就可以进行基于Onvif的开发了，先实现一个简单的设备发现的例子。 VisualStudio中新建一个空白工程，将上篇中生成的框架代码添加进来，但soapServer.c文件中定义了许多要实现的函数，直接添加编译会报一大堆错误，且本例中只需要用到Client的功能，so 。。。 删掉soapServer.c, 留下soapClient.c即可。

工程结构如下：

main.c代码如下：   

#include "wsdd.h"#include <stdio.h>static struct soap* ONVIF_Initsoap(struct SOAP_ENV__Header *header, const char *was_To, const char *was_Action, int timeout){struct soap *soap = NULL; unsigned char macaddr[6];char _HwId[1024];unsigned int Flagrand;soap = soap_new();if(soap == NULL){printf("[%d]soap = NULL\n", __LINE__);return NULL;}soap_set_namespaces( soap, namespaces);if (timeout > 0){soap->recv_timeout = timeout;soap->send_timeout = timeout;soap->connect_timeout = timeout;}else{//Maximum wait time: 20S soap->recv_timeout    = 20;soap->send_timeout    = 20;soap->connect_timeout = 20;}soap_default_SOAP_ENV__Header(soap, header);// Create SessionID randomlysrand((int)time(0));Flagrand = rand()%9000 + 8888; macaddr[0] = 0x1; macaddr[1] = 0x2; macaddr[2] = 0x3; macaddr[3] = 0x4; macaddr[4] = 0x5; macaddr[5] = 0x6;sprintf(_HwId,"urn:uuid:%ud68a-1dd2-11b2-a105-%02X%02X%02X%02X%02X%02X", Flagrand, macaddr[0], macaddr[1], macaddr[2], macaddr[3], macaddr[4], macaddr[5]);header->wsa__MessageID =(char *)malloc( 100);memset(header->wsa__MessageID, 0, 100);strncpy(header->wsa__MessageID, _HwId, strlen(_HwId));if (was_Action != NULL){header->wsa__Action =(char *)malloc(1024);memset(header->wsa__Action, '\0', 1024);strncpy(header->wsa__Action, was_Action, 1024);//"http://schemas.xmlsoap.org/ws/2005/04/discovery/Probe";}if (was_To != NULL){header->wsa__To =(char *)malloc(1024);memset(header->wsa__To, '\0', 1024);strncpy(header->wsa__To,  was_To, 1024);//"urn:schemas-xmlsoap-org:ws:2005:04:discovery";}soap->header = header;return soap;} int ONVIF_ClientDiscovery( ){int FoundDevNo = 0;int retval = SOAP_OK;wsdd__ProbeType req;       struct __wsdd__ProbeMatches resp;wsdd__ScopesType sScope;struct SOAP_ENV__Header header;struct soap* soap;const char *was_To = "urn:schemas-xmlsoap-org:ws:2005:04:discovery";const char *was_Action = "http://schemas.xmlsoap.org/ws/2005/04/discovery/Probe";//IP Adress and PortNo, broadCastconst char *soap_endpoint = "soap.udp://239.255.255.250:3702/";//Create new soap object with infosoap = ONVIF_Initsoap(&header, was_To, was_Action, 10);soap_default_SOAP_ENV__Header(soap, &header);soap->header = &header;soap_default_wsdd__ScopesType(soap, &sScope);sScope.__item = "";soap_default_wsdd__ProbeType(soap, &req);req.Scopes = &sScope;req.Types = ""; //"dn:NetworkVideoTransmitter";    //sent the message broadcast and waitretval = soap_send___wsdd__Probe(soap, soap_endpoint, NULL, &req);while (retval == SOAP_OK)    {retval = soap_recv___wsdd__ProbeMatches(soap, &resp);        if (retval == SOAP_OK)         {            if (soap->error)            {                printf("[%d]: recv soap error :%d, %s, %s\n", __LINE__, soap->error, *soap_faultcode(soap), *soap_faultstring(soap));     retval = soap->error;            }            else //we find a device{FoundDevNo ++;if (resp.wsdd__ProbeMatches->ProbeMatch != NULL && resp.wsdd__ProbeMatches->ProbeMatch->XAddrs != NULL){printf("****** No %d Devices Information ******\n", FoundDevNo );printf("Device Service Address  : %s\r\n", resp.wsdd__ProbeMatches->ProbeMatch->XAddrs);printf("Device EP Address       : %s\r\n", resp.wsdd__ProbeMatches->ProbeMatch->wsa__EndpointReference.Address);  printf("Device Type             : %s\r\n", resp.wsdd__ProbeMatches->ProbeMatch->Types);  printf("Device Metadata Version : %d\r\n", resp.wsdd__ProbeMatches->ProbeMatch->MetadataVersion);  //sleep(1);}}}else if (soap->error)  {  if (FoundDevNo == 0){printf("No Device found!\n"); retval = soap->error;  }else {printf("Search end! Find %d Device! \n", FoundDevNo);retval = 0;}break;}      }    soap_destroy(soap);     soap_end(soap);     soap_free(soap);return retval;}int main(void ){if (ONVIF_ClientDiscovery() != 0 ){printf("discovery failed!\n");return -1;}return 0;}

Onvif相机接上路由器，运行程序之后，成功检测到该Camera，详细信息如下图：（整个工程已经上传，需要的请狂点我的资源下载）