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Reworked HttpClient::read() so it doesn't hit the bug in WiFiClient::read(...) (the mulit-byte version)

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This commit is contained in:
amcewen 2012-09-03 18:28:59 +01:00
parent 8bca4a37d2
commit ea1618be0e
1 changed files with 53 additions and 36 deletions
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89
HttpClient.cpp
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@ -309,46 +309,49 @@ int HttpClient::responseStatusCode()
if (available())
{
c = read();
switch(iState)
if (c != -1)
{
case eRequestSent:
// We haven't reached the status code yet
if ( (*statusPtr == '*') || (*statusPtr == c) )
switch(iState)
{
// This character matches, just move along
statusPtr++;
if (*statusPtr == '\0')
case eRequestSent:
// We haven't reached the status code yet
if ( (*statusPtr == '*') || (*statusPtr == c) )
{
// We've reached the end of the prefix
iState = eReadingStatusCode;
// This character matches, just move along
statusPtr++;
if (*statusPtr == '\0')
{
// We've reached the end of the prefix
iState = eReadingStatusCode;
}
}
}
else
{
return HTTP_ERROR_INVALID_RESPONSE;
}
break;
case eReadingStatusCode:
if (isdigit(c))
{
// This assumes we won't get more than the 3 digits we
// want
iStatusCode = iStatusCode*10 + (c - '0');
}
else
{
// We've reached the end of the status code
// We could sanity check it here or double-check for ' '
// rather than anything else, but let's be lenient
iState = eStatusCodeRead;
}
break;
case eStatusCodeRead:
// We're just waiting for the end of the line now
break;
};
// We read something, reset the timeout counter
timeoutStart = millis();
else
{
return HTTP_ERROR_INVALID_RESPONSE;
}
break;
case eReadingStatusCode:
if (isdigit(c))
{
// This assumes we won't get more than the 3 digits we
// want
iStatusCode = iStatusCode*10 + (c - '0');
}
else
{
// We've reached the end of the status code
// We could sanity check it here or double-check for ' '
// rather than anything else, but let's be lenient
iState = eStatusCodeRead;
}
break;
case eStatusCodeRead:
// We're just waiting for the end of the line now
break;
};
// We read something, reset the timeout counter
timeoutStart = millis();
}
}
else
{
@ -430,6 +433,7 @@ bool HttpClient::endOfBodyReached()
int HttpClient::read()
{
#if 0 // Fails on WiFi because multi-byte read seems to be broken
uint8_t b[1];
int ret = read(b, 1);
if (ret == 1)
@ -440,6 +444,19 @@ int HttpClient::read()
{
return -1;
}
#else
int ret = iClient->read();
if (ret >= 0)
{
if (endOfHeadersReached() && iContentLength > 0)
{
// We're outputting the body now and we've seen a Content-Length header
// So keep track of how many bytes are left
iBodyLengthConsumed++;
}
}
return ret;
#endif
}
int HttpClient::read(uint8_t *buf, size_t size)