void SDP_ProcessPacket(BT_StackConfig_t* const StackState,
BT_L2CAP_Channel_t* const Channel,
const uint16_t Length,
uint8_t* Data)
{
/* Ensure correct channel PSM before processing the data */
if (Channel->PSM != CHANNEL_PSM_SDP)
return;
BT_SDP_PDUHeader_t* SDPHeader = (BT_SDP_PDUHeader_t*)Data;
/* Dispatch to the correct processing routine for the given SDP packet type */
switch (SDPHeader->PDU)
{
case SDP_PDU_SERVICESEARCHREQUEST:
SDP_ServiceSearch(StackState, Channel, SDPHeader);
break;
case SDP_PDU_SERVICEATTRIBUTEREQUEST:
SDP_ServiceAttribute(StackState, Channel, SDPHeader);
break;
case SDP_PDU_SERVICESEARCHATTRIBUTEREQUEST:
SDP_ServiceSearchAttribute(StackState, Channel, SDPHeader);
break;
}
}
/*
This function will issue a service search to obtain the protocol descriptor
of a serial port profile compliant service.
It will then call the helper function sample results to examine the results.
*/
void sample_test(void)
{
u_int32 serial_uuid;
t_SDP_Addresses devices;
u_int16 criteria;
t_SDP_SearchPattern pattern;
t_SDP_AttributeIDs attribs;
t_bdaddr address;
t_SDP_StopRule rule;
t_SDP_Results *pResults;
address=bd_addr_inq;
serial_uuid = 0x1101;
/* bd address list to search for */
devices.numItems = 1;
devices.addresses = malloc(sizeof(t_bdaddr));
devices.addresses[0] = address;
/* device relation criteria */
criteria = SDP_TRUSTED;
/* search pattern */
pattern.numItems = 1;
pattern.patternUUIDs = malloc(4);
pattern.patternUUIDs[0] = serial_uuid;
/* attributes to retrieve */
attribs.numItems = 1;
attribs.attributeIDs = malloc(4);
attribs.attributeIDs[0] = 0x0004; /* protocol decriptor list */
/* stop rule */
rule.maxItems = 10;
rule.maxDuration = 30;
rule.maxBytes = 250;
/* call a service search and do not retrieve the device name */
test_state = 1;
SDP_ServiceSearch(&pResults,&devices,&pattern,&attribs,&rule,criteria,test_finish_callback);
while(test_state);
test_state = 0;
/* examine the results */
/* sample_results(pResults->element.attribs.pData); */
SDP_FreeResults(pResults);
}