bool GrupPacket::packetHandler ( __rawNetData__ * packetData ){
#ifdef DEBUG
std::cout<<PRINT<<" Source Ip ["<<packetData->sourceIp<<" ] Destination Ip [ "<<packetData->destinationIp
<<" ]\nSourcePOrt [ "<<packetData->sourcePort<<" ] \nDestinationPOrt ["
<<packetData->destinationPort<<" ] \nSequence Number [ "<<packetData->sequenceNumber
<<"] \n AcknowledgeNumber: [ "<<packetData->acknowledgeNumber<<"]\n Flags\n ACK [ "
<<packetData->networkTcpFlags.__ACK__<<" ] \n SYN[ "<<packetData->networkTcpFlags.__SYN__
<<" ] \n FIN"<<packetData->networkTcpFlags.__FIN__<<" ] Data Length:[ "
<<packetData->dataLength<<std::endl;
#endif
bool returnValue;
returnValue = true;
if ( packetData->networkTcpFlags.__SYN__ || packetData->networkTcpFlags.__FIN__ ){
isSynFin = true;
return true;
}
if ( packetData->destinationPort == Init::configuration.port ){// 3306 ){
//check whether the packet is acknowledgement packet or not
//for acknwledgement packet length of the packet is [0] and ACK flag [ set]
std::cout<<PRINT<<"Outgoing Packet"<<std::endl;
if ( packetData->dataLength ==0 && packetData->networkTcpFlags.__ACK__ ){
if ( isSynFin ){ return true; }
std::cout<<PRINT<<" ACK FLAG ON-- OUTGOING \n";
if ( validPack ( false , &conversationDiary [ activeConversationId ] , packetData ) ){
std::cout<<PRINT<<"VALID ACK -- OUTGOING PACKET \n";
//insertData into database ( true , activeConversationId , ++packetNumber , packetData );
returnValue = copyPacket ( true , &conversationDiary [ activeConversationId ] , packetData );
returnValue == true ?returnValue = insertDb( packetData , false , true ): returnValue = false;
}else{
std::cout<<PRINT<<" ACK PACKET NOT VALID--- OUTGOING\n";
returnValue = false;
}
}else if ( searchMother ( false , &conversationDiary [ activeConversationId ] , packetData ) && !lastDb ){
std::cout<<PRINT<<" CONSICUTIEVE PACKETS-- OUTGOING \n";
returnValue = copyPacket( true , &conversationDiary[ activeConversationId ], packetData );
if ( packetData->networkTcpFlags.__ACK__ )
returnValue == true ?returnValue = insertDb( packetData , false , true ):returnValue = false ;
returnValue == true ?returnValue = insertDb( packetData , false ):returnValue = false ;
//insert the packet
}
//it's a new packet--start conversation
else {
std::cout<<"It's a fresh Outgoing Packet"<<std::endl;
lastDb = false;
// packetNumber = 0;
returnValue = copyPacket( true , &conversationDiary [ ++activeConversationId ] , packetData );
returnValue == true ?returnValue = insertDb( packetData , true ):returnValue = false ;
//insertpacketSetting( true , ++packet);
}
}else if ( packetData->sourcePort == Init::configuration.port ){// 3306 ){
std::cout<<PRINT<<" IN COMING PACKET \n";
if ( packetData ->dataLength == 0 && packetData->networkTcpFlags.__ACK__ ) {
if ( isSynFin ){ return true;}
std::cout<<PRINT<<"IT;S ACK PACKET -- IN COMING \n";
if ( validPack ( true , &conversationDiary [ activeConversationId] , packetData ) ){
std::cout<<"VALID ACK RESPONSE PACKET -- IN COMING"<<std::endl;
returnValue = copyPacket( false , &conversationDiary [ activeConversationId ] , packetData );
returnValue == true ?returnValue = insertDb( packetData , false , true ):returnValue = false ;
}else{
std::cerr<<PRINT<<" ACK PACKET NOT VALID-- IN COMING\n";
returnValue = false;
}
}else if ( searchMother ( true , &conversationDiary [activeConversationId ] , packetData ) ){
std::cout<<PRINT<<"CONTIMNIOUS PACKET--- IN COMING"<<std::endl;
returnValue = copyPacket( false , &conversationDiary [ activeConversationId ], packetData );
if ( packetData->networkTcpFlags.__ACK__ )
returnValue == true ?returnValue = insertDb( packetData , false , true ):returnValue = false ;
else
returnValue == true ?returnValue = insertDb( packetData , false ):returnValue = false ;
} // after sending a request client may get a request response without ACK
else {// freash packet
std::cout<<"FRESH PACKET -- INCOMING"<<std::endl;
// packetNumber = 0;
if( isSynFin ) lastDb = true;
returnValue = copyPacket ( false , &conversationDiary[ ++activeConversationId ] , packetData );
returnValue == true ?returnValue = insertDb( packetData , true):returnValue = false ;
}
}
isSynFin = false;
return returnValue;
}
int main(int argc, char *argv[]){
if (argc < 2){
puts("Usage: db [FILE]");
return -1;
}
Node list;
list = readDatabase(argv[1]);
puts("Welcome to");
puts(" ____ ____ ");
puts("/\\ _`\\ /\\ _`\\ ");
puts("\\ \\ \\/\\ \\ \\ \\L\\ \\ ");
puts(" \\ \\ \\ \\ \\ \\ _ <\\ ");
puts(" \\ \\ \\_\\ \\ \\ \\L\\ \\ ");
puts(" \\ \\____/\\ \\____/ ");
puts(" \\/___/ \\/___/ ");
puts("");
// Main loop
int choice = -1;
while(choice != 0) {
puts("Please choose an operation");
puts("1. Query a key");
puts("2. Update an entry");
puts("3. New entry");
puts("4. Remove entry");
puts("5. Print database");
puts("0. Exit database");
printf("? ");
scanf("%d", &choice);
while(getchar() != '\n'); // Clear stdin
//int found;
// Node cursor;
char buffer[128];
switch(choice){
case 1: //query
queryDb(list, buffer);
break;
case 2: //update
updateDb(list, buffer);
break;
case 3: //insert
list = insertDb(list, buffer, buffer, 1);
break;
case 4: // Delete
list = deleteDb(list, buffer);
break;
case 5: //print
printDb(list);
break;
case 0: //Fel - prova igen
// Exit
puts("Good bye!");
break;
default:
// Please try again
puts("Could not parse choice! Please try again");
}
puts("");
}
return 0;
}