int TcpReader::handle(const char * data, size_t length, Connection& )
{
int bytesRemaining = (int)length;
int payloadSize = payloadLength( data, bytesRemaining );
int bytesHandled = 0;
while( payloadIsReady(payloadSize, bytesRemaining )) {
this->messageReceived( &data[ length - bytesRemaining ], payloadSize );
bytesRemaining -= payloadSize;
bytesHandled += payloadSize + SIZE_OF_LENGTH_FIELD;
payloadSize = payloadLength( &data[ length - bytesRemaining ], bytesRemaining );
}
return bytesHandled;
}
uint16_t HTTPServer::bodyLength()
{
if (_bodyPtr == NULL)
return 0;
return payloadLength() - (_bodyPtr - (char*)payload());
}
WSFrameHeaderInfo WSHyBiFrameHeader::info() const {
WSFrameHeaderInfo inf;
inf.fin = fin();
inf.opcode = opcode();
inf.hasLength = true;
inf.masked = masked();
if (masked()) {
inf.maskingKey.resize(4);
maskingKey(&inf.maskingKey[0]);
}
inf.payloadLength = payloadLength();
return inf;
}
boolean HTTPServer::checkRequest(const char* method, const __FlashStringHelper* path)
{
char* payload = (char*)this->payload();
uint16_t length = payloadLength();
uint16_t endOfMethod;
uint16_t pos;
// Is there a TCP request ready for us?
if (!havePacket())
return false;
// Does the method match?
endOfMethod = strlen_P(method);
if (memcmp_P(payload, method, endOfMethod) != 0) {
// Wrong method
return false;
}
// Check there is a space after the method
if (payload[endOfMethod] != ' ') {
// No space after method
return false;
}
// Do the paths match?
const char *matchpath = reinterpret_cast<const char *>(path);
uint8_t maxlen = length - endOfMethod - 1;
bool allowAny = false;
_pathPtr = &payload[endOfMethod + 1];
for(uint8_t i=0; i < maxlen; i++) {
char match = pgm_read_byte(matchpath + i);
// Have we got the end of the path section in the HTTP request?
if (isWhitespace(_pathPtr[i]) || _pathPtr[i] == '?') {
if (match == '\0') {
// Both ended at the same time
_pathPtr[i] = '\0';
break;
} else {
// Path ended before the string we are trying to match against
return false;
}
}
// Allow anything after a '#' character
if (match == '#')
allowAny = true;
// Allow any character to match a '?'
if (match == '?' || allowAny)
continue;
// Do they match up?
if (_pathPtr[i] != match)
return false;
}
// Find the start of the body section
_bodyPtr = NULL;
for(pos = endOfMethod+1; pos < length-1; pos++) {
if (payload[pos] == '\n' && (payload[pos-2] == '\n' || payload[pos-1] == '\n')) {
// Store the location of the start of the body
_bodyPtr = &payload[pos+1];
// For convenience NULL-terminate the body
payload[length] = '\0';
break;
}
}
return true;
}
