C++ 如何获取远程设备的串行端口配置文件SDP记录
我正在尝试编写一个应用程序,将远程蓝牙设备与Windows Mobile/CE掌上电脑配对,并获得该设备的服务 我注意到,当您手动配对设备并通过系统设置服务时(例如,转到设置->蓝牙->添加设备),它会在以下注册表中生成一个sdprecord值 HKLM/Software/Microsoft/Bluetooth/Device/{deviceAddress}/{*Service_UUID*} 我基本上是想在我的程序中实现这一点 我遵循了以下文件: 然后将SDPrecord转换为二进制并将其写入注册表:C++ 如何获取远程设备的串行端口配置文件SDP记录,c++,windows-ce,C++,Windows Ce,我正在尝试编写一个应用程序,将远程蓝牙设备与Windows Mobile/CE掌上电脑配对,并获得该设备的服务 我注意到,当您手动配对设备并通过系统设置服务时(例如,转到设置->蓝牙->添加设备),它会在以下注册表中生成一个sdprecord值 HKLM/Software/Microsoft/Bluetooth/Device/{deviceAddress}/{*Service_UUID*} 我基本上是想在我的程序中实现这一点 我遵循了以下文件: 然后将SDPrecord转换为二进制并将其写入注
RegSetValueEx(hSerialPortKey,_T("sdprecord"),0,REG_BINARY,(BYTE*)&pRecord,sizeof(pRecord)*2+1);
结果与我手动配对设备时得到的结果不同
我做错了什么?如何检索SDP记录?先谢谢你
下面是我的代码
BTHNS_RESTRICTIONBLOB RBlob;
memset(&RBlob,0,sizeof(BTHNS_RESTRICTIONBLOB));
RBlob.type = SDP_SERVICE_SEARCH_ATTRIBUTE_REQUEST;
RBlob.numRange = 1;
RBlob.uuids[0].uuidType= SDP_ST_UUID16;//SDP_ST_UUID128;
RBlob.uuids[0].u.uuid16= SerialPortServiceClassID_UUID16;
RBlob.pRange[0].minAttribute =SDP_ATTRIB_PROTOCOL_DESCRIPTOR_LIST;
RBlob.pRange[0].maxAttribute = SDP_ATTRIB_PROTOCOL_DESCRIPTOR_LIST;
SOCKADDR_BTH sa;
memset (&sa, 0, sizeof(SOCKADDR_BTH));
BTH_ADDR *pDeviceAddr = &devAddress;
*(BTH_ADDR *)(&sa.btAddr) = *pDeviceAddr;
sa.addressFamily = AF_BTH;
CSADDR_INFO csai;
memset(&csai,0,sizeof(CSADDR_INFO));
csai.RemoteAddr.lpSockaddr = (sockaddr*)&sa;
csai.RemoteAddr.iSockaddrLength = sizeof(sa);
BLOB blob;
blob.cbSize = sizeof(BTHNS_RESTRICTIONBLOB);
blob.pBlobData = (BYTE *)&RBlob;
WSAQUERYSET wsaq;
memset(&wsaq,0,sizeof(WSAQUERYSET));
wsaq.dwSize = sizeof(WSAQUERYSET);
wsaq.dwNumberOfCsAddrs = 1;
wsaq.dwNameSpace = NS_BTH;
wsaq.lpBlob = &blob;
wsaq.lpcsaBuffer = &csai;
wsaq.lpServiceClassId = &serialPortUUID;
//Initialising winsock
WSADATA data;
int result = WSAStartup(MAKEWORD(2, 2), &data);//initializing winsock
if (hLib == NULL)
{
return S_FALSE;
}
result = WSALookupServiceBegin (&wsaq,0, &hLookup);
while (result ==ERROR_SUCCESS )
{
BYTE sdpBuffer[4096];
memset(sdpBuffer,0,sizeof(sdpBuffer));
LPWSAQUERYSET pResult = (LPWSAQUERYSET)&sdpBuffer;
dwSize = sizeof(sdpBuffer);
pResult->dwSize = sizeof(WSAQUERYSET);
pResult->dwNameSpace = NS_BTH;
pResult->lpBlob = NULL;
pResult->lpServiceClassId = &serialPortUUID;
result = WSALookupServiceNext(hLookup,0,&dwSize,pResult);
if(result == -1 )
{
int error;
error = WSAGetLastError();
if (error == WSA_E_NO_MORE)
break;
}
else
{
//Get SDP record
if (pResult != NULL)
{
if (ERROR_SUCCESS != ServiceAndAttributeSearchParse(pResult->lpBlob->pBlobData,pResult->lpBlob->cbSize,&pRecordArg,&ulRecords)) { //error handling}
ULONG recordIndex;
for (recordIndex = 0; recordIndex < ulRecords; recordIndex++) {
pRecord = pRecordArg[recordIndex];}
BTHNS_限制blob RBlob;
memset(&RBlob,0,sizeof(BTHNS_RESTRICTIONBLOB));
RBlob.type=SDP\服务\搜索\属性\请求;
RBlob.numRange=1;
RBlob.uuids[0].uuidType=SDP_ST_UUID16//SDP_ST_UUID128;
RBlob.uuids[0].u.uuid16=SerialPortServiceClassID\u uuid16;
RBlob.pRange[0].minAttribute=SDP\u ATTRIB\u PROTOCOL\u DESCRIPTOR\u LIST;
RBlob.pRange[0].maxAttribute=SDP\u ATTRIB\u PROTOCOL\u DESCRIPTOR\u LIST;
SOCKADDR_BTH sa;
memset(&sa,0,sizeof(SOCKADDR_BTH));
BTH_ADDR*pDeviceAddr=&devAddress;
*(BTH_ADDR*)(&sa.btAddr)=*pDeviceAddr;
sa.addressFamily=AF_BTH;
CSADDR_信息csai;
memset(&csai,0,sizeof(CSADDR_INFO));
csai.RemoteAddr.lpSockaddr=(sockaddr*)&sa;
csai.RemoteAddr.iSockaddrLength=sizeof(sa);
一团一团;
blob.cbSize=sizeof(BTHNS_RESTRICTIONBLOB);
blob.pBlobData=(字节*)&RBlob;
WSAQUERYSET-wsaq;
memset(&wsaq,0,sizeof(WSAQUERYSET));
wsaq.dwSize=sizeof(WSAQUERYSET);
wsaq.dwNumberOfCsAddrs=1;
wsaq.dwNameSpace=NS_BTH;
wsaq.lpBlob=&blob;
wsaq.lpcsaBuffer=&csai;
wsaq.lpServiceClassId=&serialPortUUID;
//初始化winsock
WSADATA数据;
int result=WSAStartup(MAKEWORD(2,2)和data)//初始化winsock
if(hLib==NULL)
{
返回S_FALSE;
}
结果=WSALookupServiceBegin(&wsaq,0,&hLookup);
while(结果==错误\成功)
{
字节sdpBuffer[4096];
memset(sdpBuffer,0,sizeof(sdpBuffer));
LPWSAQUERYSET PRESLT=(LPWSAQUERYSET)和sdpBuffer;
dwSize=sizeof(sdpBuffer);
pResult->dwSize=sizeof(WSAQUERYSET);
pResult->dwNameSpace=NS\u BTH;
pResult->lpBlob=NULL;
预设->lpServiceClassId=&serialPortUUID;
结果=WSALookupServiceNext(hLookup,0,&dwSize,pResult);
如果(结果==-1)
{
整数误差;
错误=WSAGetLastError();
如果(错误==WSA\u E\u无更多)
打破
}
其他的
{
//获取SDP记录
如果(预设值!=NULL)
{
if(ERROR_SUCCESS!=ServiceAndAttributeSearchParse(pResult->lpBlob->pBlobData,pResult->lpBlob->cbSize,&pRecordArg,&ulRecords)){//ERROR handling}
乌龙指数;
对于(recordIndex=0;recordIndex
我想代码应该没问题。这是我的代码
int FindRFCOMMChannel (unsigned char *pStream, int cStream, unsigned char *pChann)
{
ISdpRecord **pRecordArg;
int cRecordArg = 0;
*pChann = 0;
int hr = ServiceAndAttributeSearch(pStream, cStream, &pRecordArg, (ULONG *)&cRecordArg);
if (hr != ERROR_SUCCESS)
{
BT_ERROR( CBTRFCOMMMgr, PerformServiceSearch, "ServiceAndAttributeSearch ERROR %d\n");
return hr;
}
for (int i = 0; (! *pChann) && (i < cRecordArg); i++)
{
ISdpRecord *pRecord = pRecordArg[i]; // particular record to examine in this loop
CNodeDataFreeString protocolList; // contains SDP_ATTRIB_PROTOCOL_DESCRIPTOR_LIST data, if available
if (ERROR_SUCCESS != pRecord->GetAttribute(SDP_ATTRIB_PROTOCOL_DESCRIPTOR_LIST,&protocolList) ||
(protocolList.type != SDP_TYPE_CONTAINER))
continue;
ISdpNodeContainer *pRecordContainer = protocolList.u.container;
int cProtocols = 0;
NodeData protocolDescriptor; // information about a specific protocol (i.e. L2CAP, RFCOMM, ...)
pRecordContainer->GetNodeCount((DWORD *)&cProtocols);
for (int j = 0; (! *pChann) && (j < cProtocols); j++) {
pRecordContainer->GetNode(j,&protocolDescriptor);
if (protocolDescriptor.type != SDP_TYPE_CONTAINER)
continue;
ISdpNodeContainer *pProtocolContainer = protocolDescriptor.u.container;
int cProtocolAtoms = 0;
pProtocolContainer->GetNodeCount((DWORD *)&cProtocolAtoms);
for (int k = 0; (! *pChann) && (k < cProtocolAtoms); k++) {
NodeData nodeAtom; // individual data element, such as what protocol this is or RFCOMM channel id.
pProtocolContainer->GetNode(k,&nodeAtom);
if (IsRfcommUuid(&nodeAtom)) {
if (k+1 == cProtocolAtoms) {
// misformatted response. Channel ID should follow RFCOMM uuid
break;
}
NodeData channelID;
pProtocolContainer->GetNode(k+1,&channelID);
*pChann = (unsigned char)GetChannel(&channelID);
break; // formatting error
}
}
}
}
for (i = 0; i < cRecordArg; i++)
pRecordArg[i]->Release();
CoTaskMemFree(pRecordArg);
return (*pChann != 0) ? 1:0;
}
int IsRfcommUuid(NodeData *pNode) {
if (pNode->type != SDP_TYPE_UUID)
return FALSE;
if (pNode->specificType == SDP_ST_UUID16)
return (pNode->u.uuid16 == RFCOMM_PROTOCOL_UUID16);
else if (pNode->specificType == SDP_ST_UUID32)
return (pNode->u.uuid32 == RFCOMM_PROTOCOL_UUID16);
else if (pNode->specificType == SDP_ST_UUID128)
return (0 == memcmp(&RFCOMM_PROTOCOL_UUID,&pNode->u.uuid128,sizeof(GUID)));
return FALSE;
}
int GetChannel (NodeData *pChannelNode) {
if (pChannelNode->specificType == SDP_ST_UINT8)
return pChannelNode->u.uint8;
else if (pChannelNode->specificType == SDP_ST_INT8)
return pChannelNode->u.int8;
else if (pChannelNode->specificType == SDP_ST_UINT16)
return pChannelNode->u.uint16;
else if (pChannelNode->specificType == SDP_ST_INT16)
return pChannelNode->u.int16;
else if (pChannelNode->specificType == SDP_ST_UINT32)
return pChannelNode->u.uint32;
else if (pChannelNode->specificType == SDP_ST_INT32)
return pChannelNode->u.int32;
return 0;
}
int FindRFCOMMChannel(无符号字符*pStream,int cStream,无符号字符*pChann)
{
ISDProcord**pRecordArg;
int-cRecordArg=0;
*pChann=0;
int hr=服务和属性搜索(pStream、cStream和pRecordArg、(ULONG*)和cRecordArg);
如果(hr!=错误\u成功)
{
BT_错误(CBTRFCommgr,PerformServiceSearch,“服务和属性搜索错误%d\n”);
返回人力资源;
}
对于(int i=0;(!*pChann)和&(iGetAttribute(SDP_ATTRIB_PROTOCOL_DESCRIPTOR_LIST,&protocolList)|
(protocolList.type!=SDP_类型_容器))
继续;
ISdpNodeContainer*pRecordContainer=protocolList.u.container;
int cProtocols=0;
NodeData protocolDescriptor;//有关特定协议的信息(即L2CAP、RFCOMM等)
pRecordContainer->GetNodeCount((DWORD*)和cProtocols);
对于(intj=0;(!*pChann)&&(jGetNode(j和protocolDescriptor);
if(protocolDescriptor.type!=SDP\u type\u容器)
继续;
ISdpNodeContainer*pProtocolContainer=protocolDescriptor.u.container;
int cProtocolAtoms=0;
pProtocolContainer->GetNodeCount((DWORD*)和cProtocolAtoms);
对于(intk=0;(!*pChann)&&(kGetNode(k和nodeAtom);
if(IsRfcommUuid(&nodeAtom)){
如果(k+1==cProtocolAtoms){
//响应格式错误。通道ID应跟随RFCOMM uuid
打破
}
沟形节足动物;
pProtocolContainer->GetNode(k+1和channelID);
*pChann=(无符号字符)GetChannel(&channelID);
break;//格式错误
}
}
}
}
对于(i=0;iRelease();
CoTaskMemFree(pRecordArg);
返回(*pChann!=0)?1:0;
}
int IsRfcommUuid(NodeData*pNode){
如果(pNode->type!=SDP\U type\U UUID)
返回FALSE;
如果(pNode->specificType==SDP\u ST\u UUID16)
返回(pNode->u.uuid16==RFCOMM_协议_uuid16);
else if(pNode->specificType==SDP\u ST\u UUID32)
返回(pNode->u.uuid32==R