/*! Finish up
*
* Clean up
* - Sets connectionActive false
*/
void GdbInOut::finish(void) {
Logging::print("GdbInOut::finish()\n");
if (connectionActive) {
sendErrorMessage(E_Fatal, "Closing connection");
}
connectionActive = false;
}
//-------------------------------------------------------------------------
static int sendError(sw_socket *s, HTTPError errorCode)
{
switch(errorCode)
{
case ERR_BAD_REQUEST:
return sendErrorMessage(s, "400", "BadRequest",
"400 Bad Request",
"Oups, bad request!");
break;
case ERR_BAD_METHOD:
return sendErrorMessage(s, "501", "MethodNotImplemented",
"501 Method Not Implemented",
"Oups, method not implemented!");
break;
case ERR_UNAVAILABLE:
return sendErrorMessage(s, "503", "ServerUnavailable",
"503 Server Unavailable",
"Oups, server is not available!");
break;
case ERR_METHOD_NOT_ALLOWED:
return sendErrorMessage(s, "401", "UnauthorizedMethod",
"401 Unauthorized Method",
"Oups, method is not allowed!");
break;
case ERR_HOST_NOT_ALLOWED:
return sendErrorMessage(s, "401", "UnauthorizedHost",
"401 Unauthorized Host",
"Oups, host is not allowed!");
break;
case ERR_URL_NOT_ALLOWED:
return sendErrorMessage(s, "401", "UnauthorizedURL",
"401 Unauthorized URL",
"Oups, URL is not allowed!");
break;
case ERR_DATE_NOT_ALLOWED:
return sendErrorMessage(s, "401", "UnauthorizedDate",
"401 Unauthorized Date",
"Oups, Date is not allowed!<br>(Document is too old)");
break;
case ERR_NOT_FOUND:
return sendErrorMessage(s, "404", "NotFound",
"404 Not Found",
"Oups, File not found");
break;
}
return -1;
}
void SocketController::initConnection()
{
rootObject = engine.rootObjects().first();
QObject *loginForm = rootObject->findChild<QObject*>("mainLoginForm");
loginTextInput = loginForm->findChild<QObject*>("loginTextInput");
passwordTextInput = loginForm->findChild<QObject*>("passwordTextInput");
hostAddressTextInput = loginForm->findChild<QObject*>("hostAddressTextInput");
if(!socket.doConnect(hostAddressTextInput->property("text").toString(), connectionPort))
sendErrorMessage(socket.getErrorMessage());
}
void ServerClientProxy::update(){
float ifps=0.0f;
lock();
ifps=this->newFps;
unlock();
if (this->fps!=ifps){
sendErrorMessage(ifps,false,this->sequence);
this->fps=ifps;
}
retrieveFrames();
}
void ServerClientProxy::synchronizeSpeeds(){
if (this->errorQty>=10){
this->fps-=1;
lock();
this->newFps=this->fps;
unlock();
this->errorQty=0;
this->errorWindow=10000;
if (this->fps<10){
this->fps=10;
}
sendErrorMessage(this->fps,false,this->sequence);
}
}
void HttpConnectionHandler::onRequestArrive(HttpRequestHeader& header, string& body_str)
{
base::ErrorCode ec;
if (sp_stub_dispatcher_)
sp_stub_dispatcher_->invokeMethod(
boost::static_pointer_cast<HttpConnectionHandler>(this->shared_from_this()),
header, body_str, &ec);
else
ec = base::http::EC_HTTP_SERVICE_INTERNAL_ERROR;
if (ec)
{
sendErrorMessage(header, &ec);
LOG(error, "process request (" << header.getPath() << ") failed! " << ec);
close();
}
}
void SocketController::getValuesFromServer()
{
connectionLost = false;
getGeneralConfigData();
getWifiConfiguration();
accountSettingsLoginTextInput->setProperty("text", getLogin());
getPortTrunkSetup();
getVlanSettings();
corporationInfoText->setProperty("text", getParamInfo("CorporationInfo"));
getInfoAboutWifiConnections();
getPortStatusList();
getPortStatusCountersList();
getPortSetupList();
getPoeSetupList();
if (connectionLost)
sendErrorMessage(QT_TR_NOOP("connection_lost"));
}
/*
* Helper function performing the login procedure.
*/
static void loginHandleSocket(int socket) {
// Try to receive the first packet from the client
rfc response;
int receive = receivePacket(socket, &response);
if (receive == -1) {
errnoPrint("receive");
return;
} else if (receive == 0) {
errorPrint("Remote host closed connection");
return;
}
// Check if we received a login request
if (equalLiteral(response.main, "LRQ")) {
// Check RFC version
if (response.loginRequest.version != RFC_VERSION_NUMBER) {
sendErrorMessage(socket, "Login Error: Wrong RFC version used");
infoPrint("Login attempt with wrong RFC version: %d", response.loginRequest.version);
return;
}
// Store username string
int length = ntohs(response.main.length) - 1;
char s[length + 1];
s[length] = '\0';
memcpy(s, response.loginRequest.name, length);
// Check Game Phase
if (getGamePhase() != PHASE_PREPARATION) {
sendErrorMessage(socket, "Login Error: Game has already started");
infoPrint("Login attempt while game has already started: \"%s\"", s);
return;
}
// Detect empty name string
if (length == 0) {
sendErrorMessage(socket, "Login Error: A username is required");
infoPrint("Login attempt without a name");
return;
}
// Detect duplicate names
for (int i = 0; i < MAX_PLAYERS; i++) {
if (userGetPresent(i)) {
if (strcmp(userGetName(i), s) == 0) {
sendErrorMessage(socket, "Login error: Name already in use");
infoPrint("Login attempt with duplicate name: \"%s\"", s);
return;
}
}
}
// Detect too many players
int pos = userFirstFreeSlot();
if (pos == -1) {
sendErrorMessage(socket, "Login Error: Server is full");
infoPrint("Login attempt while server is full: \"%s\"", s);
return;
}
// Write new user data into "database"
userSetPresent(pos, 1);
userSetName(pos, s);
userSetSocket(pos, socket);
scoreMarkForUpdate();
// Start client thread for new user
int thread = -1;
for (int i = 0; i < (1 + MAX_PLAYERS); i++) {
if (threadsFree[i] == -1) {
thread = i;
}
}
if (pthread_create(&threads[thread], NULL, clientThread, (void*)pos) != 0) {
threadsFree[thread] = pos;
errnoPrint("pthread_create");
return;
}
// Send LOK message
response.main.type[0] = 'L';
response.main.type[1] = 'O';
response.main.type[2] = 'K';
response.main.length = htons(2);
response.loginResponseOK.version = RFC_VERSION_NUMBER;
response.loginResponseOK.clientID = (uint8_t)pos;
if (send(socket, &response, RFC_LOK_SIZE, 0) == -1) {
errnoPrint("send");
return;
}
} else {
errorPrint("Unexpected response: %c%c%c", response.main.type[0],
response.main.type[1], response.main.type[2]);
return;
}
}
int main(int argc, char *argv[])
{
int sockfd;
struct addrinfo hints, *servinfo, *p;
int rv;
int numbytes;
struct sockaddr_in their_addr;
char buf[MAXBUFFLEN];
socklen_t addr_len;
char s[INET6_ADDRSTRLEN];
unsigned long ip_in_wait = 0;
unsigned short wait_port;
/*Check for correct terminal usage for this program.
It should be UDPClient Servername Port# requestID hostname1 hostname2 ... hostnameX
See assignment paper for details
*/
if(argc > 2)
{
fprintf(stderr, "\nusage error: argc = %d\tUDPServer ServerPort#\n", argc);
exit(1);
}
char* serverPort = argv[1];
while (1)
{
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC; // set to AF_INET to force IPv4
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = AI_PASSIVE; // use my IP
if ((rv = getaddrinfo(NULL, serverPort, &hints, &servinfo)) != 0)
{
fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv));
return 1;
}
// loop through all the results and bind to the first we can
for(p = servinfo; p != NULL; p = p->ai_next)
{
if ((sockfd = socket(p->ai_family, p->ai_socktype,
p->ai_protocol)) == -1) {
perror("listener: socket");
continue;
}
if (bind(sockfd, p->ai_addr, p->ai_addrlen) == -1)
{
close(sockfd);
perror("listener: bind");
continue;
}
break;
}
if (p == NULL)
{
fprintf(stderr, "listener: failed to bind socket\n");
return 2;
}
freeaddrinfo(servinfo);
printf("\nWaiting for client to connect...\n");
//while (1) {
addr_len = sizeof their_addr;
if ((numbytes = recvfrom(sockfd, buf, MAXBUFFLEN-1 , 0,
(struct sockaddr *)&their_addr, &addr_len)) == -1)
{
perror("recvfrom");
exit(1);
}
unsigned long ip_address = their_addr.sin_addr.s_addr;
if (hasMagicNumber(buf) && isCorrectLength(buf, numbytes) && portIsInRange(buf))
{
if(hasClient(ip_in_wait))
{
if(sendClientWaitingMessage(buf, ip_in_wait, sockfd, their_addr))
{
ip_in_wait = 0;
}
else
{
perror("listener: sendto");
exit(1);
}
}
else
{
//Removed second paramter: their_addr.sin_port
//Need to just grab the client's port within the request AlexAg
if (sendNoClientMessage(buf, sockfd, their_addr))
{
ip_in_wait = 1;
}
else
{
perror("listener: sendto");
exit(1);
}
ip_in_wait = ip_address;
wait_port = their_addr.sin_port;
}
}
else {
sendErrorMessage(buf, sockfd, p, numbytes);
}
close(sockfd);
}
return 0;
}
void SerialCommunication::receiveStopSignalFromHardware() {
char * complete = "stop";
bool fContinue = true;
do
{
// Wait for an event
lLastError = serial.WaitEvent();
if (lLastError != ERROR_SUCCESS)
emit sendErrorMessage(serial.GetLastError(), "Unable to wait for a COM-port event.");
// Save event
const CSerial::EEvent eEvent = serial.GetEventType();
// Handle break event
if (eEvent & CSerial::EEventBreak)
{
printf("\n### BREAK received ###\n");
}
// Handle error event
if (eEvent & CSerial::EEventError)
{
QString message;
message.append("Error occured while scanning.\nError Type: ");
switch (serial.GetError())
{
case CSerial::EErrorBreak: message.append("Break condition"); break;
case CSerial::EErrorFrame: message.append("Framing error"); break;
case CSerial::EErrorIOE: message.append("IO device error"); break;
case CSerial::EErrorMode: message.append("Unsupported mode"); break;
case CSerial::EErrorOverrun: message.append("Buffer overrun"); break;
case CSerial::EErrorRxOver: message.append("Input buffer overflow"); break;
case CSerial::EErrorParity: message.append("Input parity error"); break;
case CSerial::EErrorTxFull: message.append("Output buffer full"); break;
default: message.append("Unknown Error"); break;
}
emit sendErrorMessage(serial.GetLastError(), message.toLocal8Bit().data());
}
// Handle data receive event
if (eEvent & CSerial::EEventRecv)
{
// Read data, until there is nothing left
DWORD dwBytesRead = 0;
char szBuffer[10];
do
{
// Read data from the COM-port
lLastError = serial.Read(szBuffer,sizeof(szBuffer)-1,&dwBytesRead);
if (lLastError != ERROR_SUCCESS)
emit sendErrorMessage(serial.GetLastError(), "Unable to read from COM-port.");
if (dwBytesRead > 0)
{
// Finalize the data, so it is a valid string
szBuffer[dwBytesRead] = '\0';
// Check for Stop Text
//if(strstr(szBuffer, complete) != NULL)
fContinue = false;
mutex.lock();
isScanComplete = true;
mutex.unlock();
}
}
while (dwBytesRead == sizeof(szBuffer)-1);
}
}
while (fContinue);
// Close the port again
serial.Close();
}