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ELInternet.cpp
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ELInternet.cpp
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/*
Author: Brent Pease (embeddedlibraryfeedback@gmail.com)
The MIT License (MIT)
Copyright (c) 2015-FOREVER Brent Pease
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
/*
ABOUT
*/
#include <ELInternet.h>
#include <ELInternetHTTP.h>
#include <ELAssert.h>
#include <ELUtilities.h>
#include <ELCommand.h>
CModule_Internet* gInternetModule;
static char const* gReplyStringPreOutput =
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/html\r\n"
"Connection: close\r\n"
"\r\n"
"<!DOCTYPE html><html><body>"
"<form action=\"cmd_data\">Command: <input type=\"text\" name=\"Command\" autocapitalize=\"none\"><br><input type=\"submit\" value=\"Submit\"></form><p>Click the \"Submit\" button and the command will be sent to the server. Return <a href=\"/\">Home</a></p><code>"
;
static char const* gReplyStringPostOutput = "</code></body></html>";
CHTTPConnection::CHTTPConnection(
char const* inServer,
uint16_t inPort,
IInternetHandler* inInternetHandler,
THTTPResponseHandlerMethod inResponseMethod)
{
internetHandler = inInternetHandler;
responseMethod = inResponseMethod;
serverAddress = inServer;
serverPort = inPort;
localPort = eInvalidPort;
openInProgress = false;
responseState = eResponseState_None;
flushPending = false;
eventRef = MRealTimeCreateEvent("HTTP", CHTTPConnection::CheckForTimeoutEvent, NULL);
gRealTime->ScheduleEvent(eventRef, 1000000, false);
}
CHTTPConnection::~CHTTPConnection(
)
{
if(eventRef != NULL)
{
gRealTime->DestroyEvent(eventRef);
eventRef = NULL;
}
}
void
CHTTPConnection::StartRequest(
char const* inVerb,
char const* inURL,
int inParameterCount,
...)
{
MReturnOnError(responseState != eResponseState_None);
TString<256> buffer;
isPost = strcmp(inVerb, "POST") == 0;
if(inParameterCount > 0)
{
parameterBuffer.Clear();
va_list valist;
va_start(valist, inParameterCount);
for(int i = 0; i < inParameterCount; ++i)
{
char const* key = va_arg(valist, char const*);
char const* value = va_arg(valist, char const*);
parameterBuffer.AppendF("%s=%s", key, value);
if(i < inParameterCount - 1)
{
parameterBuffer.Append('&');
}
}
va_end(valist);
if(strcmp(inVerb, "GET") == 0)
{
buffer.SetF("%s %s?%s HTTP/1.1\r\n", inVerb, inURL, (char*)parameterBuffer);
}
else
{
buffer.SetF("%s %s HTTP/1.1\r\n", inVerb, inURL);
}
}
else
{
buffer.SetF("%s %s HTTP/1.1\r\n", inVerb, inURL);
}
SendData(buffer, false);
}
void
CHTTPConnection::SetHeaders(
int inHeaderCount,
...)
{
TString<256> buffer;
MReturnOnError(responseState != eResponseState_None);
va_list valist;
va_start(valist, inHeaderCount);
for(int i = 0; i < inHeaderCount; ++i)
{
char const* key = va_arg(valist, char const*);
char const* value = va_arg(valist, char const*);
buffer.AppendF("%s: %s\r\n", key, value);
}
va_end(valist);
SendData(buffer, false);
}
void
CHTTPConnection::CompleteRequest(
char const* inBody)
{
MReturnOnError(responseState != eResponseState_None);
size_t bodyLen = strlen(inBody);
char blBuffer[32];
// Add the Content-Length header
if(bodyLen > 0)
{
SetHeaders(4, "Content-Length", _itoa((int)bodyLen, blBuffer, 10), "User-Agent", "EmbeddedLibrary", "Host", (char*)serverAddress, "Accept", "*/*");
}
else if(isPost)
{
SetHeaders(4, "Content-Length", _itoa((int)parameterBuffer.GetLength(), blBuffer, 10), "User-Agent", "EmbeddedLibrary", "Host", (char*)serverAddress, "Accept", "*/*");
}
else
{
SetHeaders(3, "User-Agent", "EmbeddedLibrary", "Host", (char*)serverAddress, "Accept", "*/*");
}
// Add a blank line
SendData("\r\n", false);
if(bodyLen > 0)
{
// Send the body
SendData(inBody, true);
}
else if(isPost)
{
SendData(parameterBuffer, true);
}
else
{
SendData("", true);
}
responseContentSize = 0;
responseState = eResponseState_HTTP;
responseHTTPCode = 0;
}
void
CHTTPConnection::CloseConnection(
void)
{
if(localPort != eInvalidPort)
{
gInternetModule->TCPCloseConnection(localPort);
}
delete this;
}
void
CHTTPConnection::DumpDebugInfo(
IOutputDirector* inOutput)
{
inOutput->printf("millis() = %lu\n", millis());
inOutput->printf("dataSentTimeMS = %lu\n", dataSentTimeMS);
inOutput->printf("responseContentSize = %d\n", responseContentSize);
inOutput->printf("responseHTTPCode = %d\n", responseHTTPCode);
inOutput->printf("responseState = %d\n", responseState);
inOutput->printf("openInProgress = %d\n", openInProgress);
inOutput->printf("flushPending = %d\n", flushPending);
}
void
CHTTPConnection::ResponseHandlerMethod(
EConnectionResponse inResponse,
uint16_t inLocalPort,
int inDataSize,
char const* inData)
{
switch(inResponse)
{
case eConnectionResponse_Opened:
openInProgress = false;
localPort = inLocalPort;
if(tempBuffer.GetLength() > 0)
{
if(gInternetModule->TCPSendData(localPort, tempBuffer.GetLength(), tempBuffer, flushPending))
{
tempBuffer.Clear();
flushPending = false;
dataSentTimeMS = millis();
}
else
{
ReopenConnection();
}
}
break;
case eConnectionResponse_Closed:
case eConnectionResponse_Error:
if(responseState != eResponseState_None)
{
if(inResponse == eConnectionResponse_Error)
{
responseHTTPCode = 504;
}
else
{
responseHTTPCode = 500;
}
responseContentSize = 0;
FinishResponse();
}
if(localPort != eInvalidPort)
{
gInternetModule->TCPCloseConnection(localPort);
localPort = eInvalidPort;
}
openInProgress = false;
break;
case eConnectionResponse_Data:
if(responseState != eResponseState_None)
{
ProcessResponseData(inDataSize, inData);
}
break;
}
}
void
CHTTPConnection::SendData(
char const* inData,
bool inFlush)
{
dataSentTimeMS = millis();
if(localPort != eInvalidPort)
{
if(gInternetModule->TCPSendData(localPort, strlen(inData), inData, inFlush) == false)
{
ReopenConnection();
tempBuffer = inData;
flushPending |= inFlush;
}
}
else
{
if(!openInProgress)
{
// Start an open request
MInternetOpenConnection(serverPort, serverAddress, CHTTPConnection::ResponseHandlerMethod);
openInProgress = true;
}
tempBuffer.Append(inData);
flushPending |= inFlush;
}
}
void
CHTTPConnection::ProcessResponseData(
int inDataSize,
char const* inData)
{
char const* cp = inData;
char const* ep = cp + inDataSize;
while(cp < ep)
{
char c = *cp++;
if(responseState == eResponseState_Body)
{
tempBuffer.Append(c);
if(tempBuffer.GetLength() >= responseContentSize)
{
FinishResponse();
return;
}
}
else
{
if(c == '\r')
{
ProcessResponseLine();
tempBuffer.Clear();
if(*cp == '\n')
{
++cp;
}
continue;
}
tempBuffer.Append(c);
}
}
}
void
CHTTPConnection::ProcessResponseLine(
void)
{
if(tempBuffer.GetLength() == 0)
{
// If the response line is empty that means the response body is starting
if(responseContentSize > 0)
{
// We are expecting a body so start saving that data
responseState = eResponseState_Body;
}
else
{
// If there is no content size then there is no body data to get so just finish now
FinishResponse();
}
return;
}
if(responseState == eResponseState_HTTP)
{
if(tempBuffer.StartsWith("HTTP"))
{
tempBuffer.TrimUntilNextWord();
responseHTTPCode = atoi(tempBuffer);
responseState = eResponseState_Headers;
}
}
else
{
tempBuffer.TrimStartingSpace();
if(tempBuffer.StartsWith("Content-Length"))
{
tempBuffer.TrimBeforeChr(':');
tempBuffer.TrimStartingSpace();
responseContentSize = atoi(tempBuffer);
}
}
}
void
CHTTPConnection::FinishResponse(
void)
{
responseState = eResponseState_None;
(internetHandler->*responseMethod)(responseHTTPCode, responseContentSize, tempBuffer);
tempBuffer.Clear();
}
void
CHTTPConnection::CheckForTimeoutEvent(
TRealTimeEventRef inRef,
void* inRefCon)
{
if(responseState != eResponseState_None && (millis() - dataSentTimeMS >= eHTTPTimeoutMS))
{
// we have timed out waiting for a response
responseHTTPCode = 500;
FinishResponse();
openInProgress = false;
if(localPort != eInvalidPort)
{
gInternetModule->TCPCloseConnection(localPort);
localPort = eInvalidPort;
}
}
}
void
CHTTPConnection::ReopenConnection(
void)
{
if(localPort != eInvalidPort)
{
gInternetModule->TCPCloseConnection(localPort);
localPort = eInvalidPort;
}
// Re-open a connection
MInternetOpenConnection(serverPort, serverAddress, CHTTPConnection::ResponseHandlerMethod);
openInProgress = true;
}
MModuleImplementation_Start(CModule_Internet)
MModuleImplementation_FinishGlobal(CModule_Internet, gInternetModule)
CModule_Internet::CModule_Internet(
)
:
CModule(sizeof(settings), 0, &settings, 10000)
{
internetDevice = NULL;
memset(serverList, 0, sizeof(serverList));
memset(tcpConnectionList, 0, sizeof(tcpConnectionList));
memset(udpConnectionList, 0, sizeof(udpConnectionList));
memset(webServerPageHandlerList, 0, sizeof(webServerPageHandlerList));
webServerPort = 0;
respondingServer = false;
respondingServerPort = 0;
respondingReplyPort = 0;
usedUDPPorts = 0;
STCPConnection* curTCP = tcpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++curTCP)
{
curTCP->openRef = -1;
curTCP->localPort = eInvalidPort;
}
SUDPConnection* curUDP = udpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++curUDP)
{
curUDP->deviceConnection = -1;
curUDP->localPort = eInvalidPort;
}
CModule_RealTime::Include();
}
void
CModule_Internet::Configure(
IInternetDevice* inInternetDevice)
{
internetDevice = inInternetDevice;
}
// Register a server handler
void
CModule_Internet::RegisterServer(
uint16_t inPort,
IInternetHandler* inInternetHandler,
TInternetServerHandlerMethod inMethod)
{
MReturnOnError(internetDevice == NULL);
SServer* target = NULL;
SServer* cur = serverList;
for(int i = 0; i < eMaxServersCount; ++i, ++cur)
{
if(cur->port == inPort)
{
target = cur;
break;
}
else if(target == NULL && cur->handlerObject == NULL)
{
target = cur;
}
}
MReturnOnError(target == NULL);
bool success = internetDevice->Server_Open(inPort);
MReturnOnError(success == false);
target->port = inPort;
target->handlerObject = inInternetHandler;
target->handlerMethod = inMethod;
}
void
CModule_Internet::RemoveServer(
uint16_t inPort)
{
SServer* cur = serverList;
for(int i = 0; i < eMaxServersCount; ++i, ++cur)
{
if(cur->port == inPort)
{
cur->port = 0;
cur->handlerMethod = NULL;
cur->handlerObject = NULL;
internetDevice->Server_Close(inPort);
return;
}
}
}
void
CModule_Internet::TCPOpenConnection(
uint16_t inServerPort,
char const* inServerAddress,
IInternetHandler* inInternetHandler,
TTCPResponseHandlerMethod inResponseMethod)
{
MReturnOnError(internetDevice == NULL);
MReturnOnError(strlen(inServerAddress) > eServerMaxAddressLength - 1);
STCPConnection* target = NULL;
STCPConnection* cur = tcpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++cur)
{
if(cur->serverPort == inServerPort && cur->serverAddress == inServerAddress)
{
target = cur;
break;
}
else if(target == NULL && cur->serverAddress.GetLength() == 0)
{
target = cur;
}
}
MReturnOnError(target == NULL);
target->openRef = internetDevice->TCPRequestOpen(inServerPort, inServerAddress);
if(target->openRef < 0)
{
(inInternetHandler->*inResponseMethod)(eConnectionResponse_Error, 0, 0, NULL);
return;
}
target->handlerObject = inInternetHandler;
target->handlerResponseMethod = inResponseMethod;
target->serverPort = inServerPort;
target->serverAddress = inServerAddress;
target->localPort = eInvalidPort;
}
bool
CModule_Internet::TCPSendData(
uint16_t inLocalPort,
size_t inDataSize,
char const* inData,
bool inFlush)
{
STCPConnection* target = NULL;
STCPConnection* curConnection = tcpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++curConnection)
{
if(curConnection->localPort == inLocalPort)
{
target = curConnection;
break;
}
}
MReturnOnError(target == NULL || target->openRef > 0, false);
if(internetDevice->TCPSendData(inLocalPort, inDataSize, inData, inFlush) == false)
{
TCPCloseConnection(inLocalPort);
return false;
}
return true;
}
void
CModule_Internet::TCPCloseConnection(
uint16_t inLocalPort)
{
MReturnOnError(inLocalPort == eInvalidPort);
STCPConnection* cur = tcpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++cur)
{
if(cur->localPort == inLocalPort)
{
cur->localPort = eInvalidPort;
cur->serverPort = 0;
cur->serverAddress.Clear();
cur->handlerResponseMethod = NULL;
cur->handlerObject = NULL;
cur->openRef = -1;
internetDevice->TCPCloseConnection(inLocalPort);
return;
}
}
}
int
CModule_Internet::UDPOpenPort(
char const* inRemoteAddress,
uint16_t inRemotePort,
IInternetHandler* inHandlerObject,
TUDPPacketHandlerMethod inHandlerMethod,
uint16_t inLocalPort,
uint32_t inTimeoutSecs)
{
MReturnOnError(internetDevice == NULL, -1);
SUDPConnection* target = NULL;
SUDPConnection* cur = udpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++cur)
{
if(cur->deviceConnection < 0)
{
target = cur;
break;
}
}
MReturnOnError(target == NULL, -1);
if(inLocalPort == 0)
{
// find an open port
for(int i = 0; i < eLocalPortBase; ++i)
{
if(!(usedUDPPorts & (1 << i)))
{
inLocalPort = eLocalPortBase + i;
usedUDPPorts |= 1 << i;
break;
}
}
MReturnOnError(inLocalPort == 0, -1);
}
target->deviceConnection = internetDevice->UDPOpenChannel(inLocalPort, inRemotePort, inRemoteAddress);
MReturnOnError(target->deviceConnection < 0, -1);
target->handlerObject = inHandlerObject;
target->handlerMethod = inHandlerMethod;
target->localPort = inLocalPort;
target->remoteAddress = inRemoteAddress;
target->remotePort = inRemotePort;
target->readyForUse = false;
return int(target - udpConnectionList);
}
void
CModule_Internet::UDPClosePort(
int inConnectionRef)
{
MReturnOnError(internetDevice == NULL);
MReturnOnError(inConnectionRef < 0 || inConnectionRef >= eMaxConnectionsCount);
SUDPConnection* target = udpConnectionList + inConnectionRef;
internetDevice->UDPCloseChannel(target->deviceConnection);
if(target->localPort >= eLocalPortBase && target->localPort < eLocalPortBase + eLocalPortCount)
{
usedUDPPorts &= ~(1 << (target->localPort - eLocalPortBase));
}
target->deviceConnection = -1;
target->localPort = eInvalidPort;
target->handlerMethod = NULL;
target->handlerObject = NULL;
}
bool
CModule_Internet::UDPSend(
int inConnectionRef,
size_t inBufferSize,
void* inBuffer,
uint32_t inTimeoutSecs)
{
MReturnOnError(internetDevice == NULL, false);
MReturnOnError(inConnectionRef < 0 || inConnectionRef >= eMaxConnectionsCount, false);
SUDPConnection* target = udpConnectionList + inConnectionRef;
target->sendStartTime = gRealTime->GetEpochTime(true);
target->timeoutSecs = inTimeoutSecs;
bool result = internetDevice->UDPSendData(target->deviceConnection, inBufferSize, inBuffer, (char*)target->remoteAddress, target->remotePort);
return result;
}
void
CModule_Internet::WebServer_Start(
uint16_t inPort)
{
MReturnOnError(internetDevice == NULL);
MInternetRegisterPage("/", CModule_Internet::CommandHomePageHandler);
MInternetRegisterPage("/cmd_data", CModule_Internet::CommandProcessPageHandler);
webServerPort = inPort;
internetDevice->Server_Open(inPort);
}
void
CModule_Internet::WebServer_RegisterPageHandler(
char const* inPage,
IInternetHandler* inInternetHandler,
TInternetServerPageMethod inMethod)
{
for(int i = 0; i < eWebServerPageHandlerMax; ++i)
{
if(webServerPageHandlerList[i].object == NULL)
{
webServerPageHandlerList[i].pageName = inPage;
webServerPageHandlerList[i].object = inInternetHandler;
webServerPageHandlerList[i].method = inMethod;
return;
}
}
MReturnOnError(true);
}
CHTTPConnection*
CModule_Internet::CreateHTTPConnection(
char const* inServer,
uint16_t inPort,
IInternetHandler* inInternetHandler,
THTTPResponseHandlerMethod inResponseMethod)
{
MReturnOnError(internetDevice == NULL, NULL);
return new CHTTPConnection(inServer, inPort, inInternetHandler, inResponseMethod);
}
bool
CModule_Internet::ConnectedToInternet(
void)
{
return internetDevice && internetDevice->ConnectedToInternet();
}
void
CModule_Internet::Setup(
void)
{
MReturnOnError(internetDevice == NULL); // Internet device needs to be setup before the general internet module
if(settings.ssid.GetLength() != 0)
{
internetDevice->ConnectToAP(settings.ssid, settings.pw, EWirelessPWEnc(settings.securityType));
}
if(settings.ipAddr != 0)
{
internetDevice->SetIPAddr(settings.ipAddr, settings.gatewayAddr, settings.subnetAddr);
}
MCommandRegister("wireless_set", CModule_Internet::SerialCmd_WirelessSet, "[ssid] [pw] [wpa2|wep|open] : Set the wireless configuration");
MCommandRegister("wireless_get", CModule_Internet::SerialCmd_WirelessGet, ": Get the wireless configuration");
MCommandRegister("ip_set", CModule_Internet::SerialCmd_IPAddrSet, "[ip addr] [gateway addr] [subnet mask] : Set the ip configuration");
MCommandRegister("ip_get", CModule_Internet::SerialCmd_IPAddrGet, ": Get the ip configuration");
}
void
CModule_Internet::Update(
uint32_t inDeltaTimeUS)
{
if(internetDevice == NULL)
{
return;
}
STCPConnection* curTCPConnection;
if(internetDevice->IsDeviceTotallyFd())
{
// Close all connections
curTCPConnection = tcpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++curTCPConnection)
{
if(curTCPConnection->handlerObject != NULL)
{
(curTCPConnection->handlerObject->*curTCPConnection->handlerResponseMethod)(eConnectionResponse_Error, 0, 0, NULL);
}
curTCPConnection->localPort = eInvalidPort;
curTCPConnection->serverPort = 0;
curTCPConnection->serverAddress.Clear();
curTCPConnection->handlerResponseMethod = NULL;
curTCPConnection->handlerObject = NULL;
curTCPConnection->openRef = -1;
}
// close udp connections
// xxx
internetDevice->ResetDevice();
// Setup all the servers
SServer* curServer = serverList;
for(int i = 0; i < eMaxServersCount; ++i, ++curServer)
{
if(curServer->handlerObject != NULL)
{
internetDevice->Server_Open(curServer->port);
}
}
// Setup the webserver
if(webServerPort != 0)
{
internetDevice->Server_Open(webServerPort);
}
}
size_t bufferSize;
char* buffer;
// Update the current TCP connections
curTCPConnection = tcpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++curTCPConnection)
{
if(curTCPConnection->handlerObject == NULL)
{
continue;
}
// If we have a open in process check it's status
if(curTCPConnection->openRef >= 0)
{
bool successfulyOpened;
if(internetDevice->TCPCheckOpenCompleted(curTCPConnection->openRef, successfulyOpened, curTCPConnection->localPort))
{
// call completion
curTCPConnection->openRef = -1;
if(successfulyOpened)
{
(curTCPConnection->handlerObject->*curTCPConnection->handlerResponseMethod)(eConnectionResponse_Opened, curTCPConnection->localPort, 0, NULL);
}
else
{
(curTCPConnection->handlerObject->*curTCPConnection->handlerResponseMethod)(eConnectionResponse_Error, 0, 0, NULL);
// Empty out the connection since another OpenConnection will be required to use this slot
curTCPConnection->serverAddress.Clear();
curTCPConnection->handlerObject = NULL;
}
}
continue;
}
MAssert(curTCPConnection->localPort != eInvalidPort);
uint32_t portState = internetDevice->TCPGetPortState(curTCPConnection->localPort);
// If the port has failed or closed report that
if(portState & ePortState_Failure)
{
(curTCPConnection->handlerObject->*curTCPConnection->handlerResponseMethod)(eConnectionResponse_Error, curTCPConnection->localPort, 0, NULL);
// Since the method above may have already closed the port we need to check for that
if(curTCPConnection->localPort != eInvalidPort)
{
TCPCloseConnection(curTCPConnection->localPort);
}
}
else if(!(portState & ePortState_IsOpen))
{
(curTCPConnection->handlerObject->*curTCPConnection->handlerResponseMethod)(eConnectionResponse_Closed, curTCPConnection->localPort, 0, NULL);
// Since the method above may have already closed the port we need to check for that
if(curTCPConnection->localPort != eInvalidPort)
{
TCPCloseConnection(curTCPConnection->localPort);
}
}
}
// Get any incoming UDP packets
// Update current UDP listeners
SUDPConnection* curUDPConnection = udpConnectionList;
for(int i = 0; i < eMaxConnectionsCount; ++i, ++curUDPConnection)
{
if(curUDPConnection->handlerObject == NULL)
{
continue;
}
if(!curUDPConnection->readyForUse)
{
if(internetDevice->UDPChannelReady(curUDPConnection->deviceConnection))
{
curUDPConnection->readyForUse = true;
(curUDPConnection->handlerObject->*curUDPConnection->handlerMethod)(eConnectionResponse_Opened, 0, 0, 0, 0, NULL);
}
continue;
}
uint32_t remoteAddress;
uint16_t remotePort;
if(internetDevice->UDPGetData(curUDPConnection->deviceConnection, remoteAddress, remotePort, bufferSize, buffer))
{
curUDPConnection->timeoutSecs = 0;
curUDPConnection->remotePort = remotePort;
curUDPConnection->remoteAddress.SetF("%d.%d.%d.%d", (remoteAddress >> 24) & 0xFF, (remoteAddress >> 16) & 0xFF, (remoteAddress >> 8) & 0xFF, (remoteAddress >> 0) & 0xFF);
(curUDPConnection->handlerObject->*curUDPConnection->handlerMethod)(eConnectionResponse_Data, curUDPConnection->localPort, remotePort, remoteAddress, bufferSize, buffer);
}
if(curUDPConnection->timeoutSecs > 0 && (gRealTime->GetEpochTime(true) - curUDPConnection->sendStartTime) > curUDPConnection->timeoutSecs)
{
SystemMsg("ERROR: UDP timeout");
(curUDPConnection->handlerObject->*curUDPConnection->handlerMethod)(eConnectionResponse_Error, 0, 0, 0, 0, 0);
curUDPConnection->timeoutSecs = 0;
}
}
// Check for incoming data
uint16_t localPort;
uint16_t replyPort;
internetDevice->TCPGetData(localPort, replyPort, bufferSize, buffer);
if(bufferSize == 0)
{
return;
}
if(webServerPort > 0 && localPort == webServerPort)
{
//Serial.printf("Got cmd server data chn=%d\n", replyPort);
char* verb = NULL;
char* url = NULL;
char* nextSpace;
verb = buffer;
nextSpace = (char*)memchr(verb, ' ', bufferSize);
if(nextSpace != NULL)
{
*nextSpace = 0;
url = nextSpace + 1;
nextSpace = (char*)memchr(url, ' ', bufferSize - (url - buffer));
if(nextSpace != NULL)
{
*nextSpace = 0;
}
}
if(verb != NULL && strcmp(verb, "GET") == 0 && url != NULL)
{
char const* paramList[32];
int paramCount = 32;
char* pageName;
TransformURLIntoParameters(paramCount, paramList, pageName, url, strlen(url));
internetDevice->TCPSendData(replyPort, strlen(gReplyStringPreOutput), gReplyStringPreOutput);
respondingServer = true;
respondingServerPort = webServerPort;
respondingReplyPort = replyPort;
for(int i = 0; i < eWebServerPageHandlerMax; ++i)
{
if(webServerPageHandlerList[i].object != NULL && strcmp(pageName, webServerPageHandlerList[i].pageName) == 0)
{
(webServerPageHandlerList[i].object->*(webServerPageHandlerList[i].method))(this, paramCount, paramList);
}