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use pos indicator to calc sdp pdu len

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matthias.ringwald 2010-06-11 21:37:23 +00:00
parent 51468eedc1
commit e5a78ec7c5
1 changed files with 22 additions and 18 deletions
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40
src/sdp.c
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@ -174,7 +174,7 @@ static void sdp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *p
uint16_t transaction_id;
SDP_PDU_ID_t pdu_id;
uint16_t param_len;
int pos = 5;
switch (packet_type) {
@ -191,18 +191,20 @@ static void sdp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *p
net_store_16(sdp_response_buffer, 1, transaction_id);
// TotalServiceRecordCount:
net_store_16(sdp_response_buffer, 5, 0); // none
net_store_16(sdp_response_buffer, pos, 0); // none
pos += 2;
// CurrentServiceRecordCount:
net_store_16(sdp_response_buffer, 7, 0); // none
net_store_16(sdp_response_buffer, pos, 0); // none
pos += 2;
// ServiceRecordHandleList:
// empty
// Continuation State: none
sdp_response_buffer[9] = 0;
sdp_response_buffer[pos++] = 0;
// update len info
net_store_16(sdp_response_buffer, 3, 5); // empty list
net_store_16(sdp_response_buffer, 3, pos - 5); // empty list
l2cap_send_internal(channel, sdp_response_buffer, 5 + 5);
l2cap_send_internal(channel, sdp_response_buffer, pos);
break;
case SDP_ServiceAttributeRequest:
@ -211,17 +213,18 @@ static void sdp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *p
net_store_16(sdp_response_buffer, 1, transaction_id);
// AttributeListByteCount::
net_store_16(sdp_response_buffer, 5, 2); // 2 bytes in DES with 1 byte len
net_store_16(sdp_response_buffer, pos, 2); // 2 bytes in DES with 1 byte len
pos += 2;
// AttributeLists
sdp_response_buffer[7] = 0x35;
sdp_response_buffer[8] = 0;
sdp_response_buffer[pos++] = 0x35;
sdp_response_buffer[pos++] = 0;
// Continuation State: none
sdp_response_buffer[9] = 0;
sdp_response_buffer[pos++] = 0;
// update len info
net_store_16(sdp_response_buffer, 3, 5); // empty list
net_store_16(sdp_response_buffer, 3, pos - 5); // empty list
l2cap_send_internal(channel, sdp_response_buffer, 5 + 5);
l2cap_send_internal(channel, sdp_response_buffer, pos);
break;
@ -231,17 +234,18 @@ static void sdp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *p
net_store_16(sdp_response_buffer, 1, transaction_id);
// AttributeListsByteCount
net_store_16(sdp_response_buffer, 5, 2); // 2 bytes in DES with 1 byte len
net_store_16(sdp_response_buffer, pos, 2); // 2 bytes in DES with 1 byte len
pos += 2;
// AttributeLists
sdp_response_buffer[7] = 0x35;
sdp_response_buffer[8] = 0;
sdp_response_buffer[pos++] = 0x35;
sdp_response_buffer[pos++] = 0;
// Continuation State: none
sdp_response_buffer[9] = 0;
sdp_response_buffer[pos++] = 0;
// update len info
net_store_16(sdp_response_buffer, 3, 5); // empty list
net_store_16(sdp_response_buffer, 3, pos - 5); // empty list
l2cap_send_internal(channel, sdp_response_buffer, 5 + 5);
l2cap_send_internal(channel, sdp_response_buffer, pos);
break;
default: