Improved WEBServerManager responsiveness

This commit is contained in:
anschrammh 2019-04-17 20:26:37 +02:00
parent fced2942ab
commit 8cae58706f

View File

@ -1,8 +1,9 @@
#include "WEBServerManager.h"
#define DEBUG
#define DEBUG_BODY
#define DEBUG_PARAMETER
//#define DEBUG
//#define DEBUG_BODY
//#define DEBUG_PARAMETER
//#define DEBUG_CONTENT_LENGTH
//#define DEBUG_RAW
WEBServerManager::WEBServerManager(unsigned int port, SDCardManager *sdCardManager) : _wifiServer(port), _sdCardManager(sdCardManager), _httpRequestData({UNDEFINED, UNKNOWN, UNKNOWN_MIME, Dictionary<DictionaryHelper::StringEntity>(), Dictionary<DictionaryHelper::StringEntity>(), NULL,NULL}), _httpParserState(INIT), _clientState(WAITING_FOR_CLIENT), _port(port), _clientTimeout(0)
@ -84,9 +85,10 @@ boolean WEBServerManager::runServer()
boolean WEBServerManager::parseQuery(WiFiClient *wifiClient)
{
char readChar(0), *parseBuffer(NULL), *parseKey(NULL), *parseValue(NULL);
boolean smallTimeout(false), isKey(true), receivingDone(false);
unsigned int shortTimeout = 100, longTimeout = 5000, activeTimeout = shortTimeout;
char readChar(0), *parseBuffer(NULL), *parseKey(NULL), *parseValue(NULL), *parseParameter(NULL), *contentLength(NULL);
boolean isKey(true), receivingDone(false);
unsigned int activeTimeout = 10000;
unsigned long dataBytesCounter = 0, dataBytes = 0;
/* Better way to read data
char temp[2048];
@ -96,7 +98,7 @@ boolean WEBServerManager::parseQuery(WiFiClient *wifiClient)
_httpParserState = INIT;
_clientTimeout = millis();
boolean slashesOrAntiSlashesOnly(true);
while(wifiClient->available() || ( millis() - _clientTimeout < (smallTimeout ? activeTimeout : 10000)))
while(wifiClient->available() || ( millis() - _clientTimeout < activeTimeout))
{
if(wifiClient->available())
{
@ -131,9 +133,23 @@ boolean WEBServerManager::parseQuery(WiFiClient *wifiClient)
}
else if(readChar != '\r')
{
#ifdef DEBUG_BODY
Serial.print(readChar);
#endif
if(parseParameter != NULL)
{
contentLength = strstr(parseParameter, "ent-Len");//Matches Content-Length short to save some RAM
if(contentLength != NULL)
{
dataBytes = strtol(contentLength+11,NULL,10);
#ifdef DEBUG_CONTENT_LENGTH
Serial.print("Data length : ");Serial.println(dataBytes);
#endif
}
#ifdef DEBUG_PARAMETER
Serial.println(parseParameter);
#endif
free(parseParameter);parseParameter = NULL;
}
parseParameter = addChar(parseParameter, readChar);
_httpParserState = PARAMETER_SECTION;
}
break;
@ -153,9 +169,7 @@ boolean WEBServerManager::parseQuery(WiFiClient *wifiClient)
else
_httpParserState = ERROR;
break;
case HTTP_RESOURCE_SECTION:
if(_httpRequestData.HRM == POST)// Need to be changed, using Content-Length is more appropriate
activeTimeout = longTimeout;
case HTTP_RESOURCE_SECTION:
if(readChar == '?' )
{
free(_httpRequestData.httpResource);_httpRequestData.httpResource = NULL;
@ -224,19 +238,18 @@ boolean WEBServerManager::parseQuery(WiFiClient *wifiClient)
}
break;
case BODY_SECTION:
//parseBuffer = addChar(parseBuffer, readChar);
#ifdef DEBUG
Serial.print(readChar);
#endif
//parseBuffer = addChar(parseBuffer, readChar);
if(_httpRequestData.HRM != GET)dataBytesCounter++;//Should be always true
#ifdef DEBUG_BODY
Serial.print(readChar);
#endif
break;
case PARAMETER_SECTION: //Here are all the http header params
#ifdef DEBUG_PARAMETER
Serial.print(readChar);
#endif
case PARAMETER_SECTION: //Here are all the http header params
if(readChar == '\n')
{
_httpParserState = LINE_BREAK;
}
}else
parseParameter = addChar(parseParameter, readChar);
break;
case IGNORED:
break;
@ -248,9 +261,9 @@ boolean WEBServerManager::parseQuery(WiFiClient *wifiClient)
}
if(receivingDone) break;
if(_httpRequestData.HRM == POST && dataBytes != 0 && dataBytes == dataBytesCounter) break;
_clientTimeout = millis();
smallTimeout = true;
}
ESP.wdtFeed();
}
@ -264,6 +277,8 @@ boolean WEBServerManager::parseQuery(WiFiClient *wifiClient)
}
}
free(parseParameter);parseParameter = NULL;
#ifdef DEBUG
Serial.print("HTTP VERB : ");
Serial.println(_httpRequestData.HRM);