int main(int argc, char *argv[])
{
{
std::string s = "a b\"MID\" c d";
std::vector<std::string> result;
unsigned int ret = stringTokenize(s, ' ', &result);
assert(ret == 4);
assert(result.size() == 4);
assert(result[0] == "a");
assert(result[1] == "b\"MID\"");
assert(result[2] == "c");
assert(result[3] == "d");
ret = stringTokenize(s, "\" ", &result);
assert(result.size() == 6);
assert(result[0] == "a");
assert(result[1] == "b");
assert(result[2] == "MID");
assert(result[3] == "");
assert(result[4] == "c");
assert(result[5] == "d");
s = "";
ret = stringTokenize(s, " ", &result);
assert(result.size() == 1);
assert(result[0] == "");
}
{
std::string s = "a b\"MID\" c d";
std::string piece;
std::vector <std::string> result;
StringTokenizer st1(s, ' ');
while (st1.next(&piece)) {
//printf("piece = %s\n", piece.c_str());
result.push_back(piece);
}
assert(result.size() == 4);
assert(result[0] == "a");
assert(result[1] == "b\"MID\"");
assert(result[2] == "c");
assert(result[3] == "d");
result.clear();
StringTokenizer st2(s, "\" ");
while (st2.next(&piece)) {
printf("piece = %s\n", piece.c_str());
result.push_back(piece);
}
assert(result.size() == 6);
assert(result[0] == "a");
assert(result[1] == "b");
assert(result[2] == "MID");
assert(result[3] == "");
assert(result[4] == "c");
assert(result[5] == "d");
result.clear();
s = "";
StringTokenizer st3(s, " ");
while (st3.next(&piece)) {
result.push_back(piece);
}
assert(result.size() == 1);
assert(result[0] == "");
}
{
std::string s = "";
std::string res = stringStrip(s);
assert(res.size() == 0);
s = " ";
res = stringStrip(s);
assert(res.size() == 0);
}
return 0;
}
/**
@param[out] commands Vector to save the commands that must be executed by Application
@param[in] timeOut The sleep time in select (100 by default)
*/
int Server::listening(vector<Message> &commands, int timeOut){
fd_set readfds, writefds, errorfds; //multimile de descriptori de citire, scriere si eroare
timeval timeout;
sockaddr_in client = {};
//creem multimile de descriptori
FD_ZERO(&readfds);FD_ZERO(&writefds);FD_ZERO(&errorfds);
FD_SET(0, &readfds); //includem tastatura in readfds
FD_SET(udpsd, &readfds);
timeout.tv_sec = timeOut/1000;
timeout.tv_usec = timeOut%1000;
select(nfds+1, &readfds, &writefds, &errorfds, &timeout);
cleanUUIDs();
/*
Putem avea ori intrari de la tastatura (0), ori mesaje legate de retea (3), ori bucati de fisiere
*/
//verificam separat stdin, stdout, stderr
if (FD_ISSET(0, &readfds)){
Message msg, comm;
memset(msgBuffer, 0, sizeof(msgBuffer));
if (read(0, msgBuffer, sizeof(msgBuffer))<=0){
perror("[server] Eroare la citirea de la tastatura");
}
string input = msgBuffer;
input.erase(input.end()-1, input.end());
//input.pop_back(); //stergem caracterul linie noua
if (input == "quit" || input == "exit"){
msg.push_back(MSG_quit);
commands.push_back(msg);
}
else if (!input.compare(0, strlen("search"), "search")){
const char *uuid = getUUID();
int sd = socket(AF_INET, SOCK_STREAM, 0); //socketul folosit pentru a comunica cu peers ce au fisierul
sockaddr_in server={};
server.sin_family = AF_INET;
server.sin_addr.s_addr = htonl(INADDR_ANY);
server.sin_port = htons(0);
bind(sd, (sockaddr*)&server, sizeof(server));
listen(sd, 5);
//sockaddr_in tcpserver = {};
//socklen_t sz = sizeof(tcpserver);
//calculam expresia regulata
input.erase(input.begin(), input.begin()+strlen("search"));
stringStrip(input);
printf("[Search] %s %s\n", input.c_str(), uuid);
uuids[uuid] = getTicks();
comm.push_back(MSG_request);
comm.push_back(sizeof(sd), &sd);
commands.push_back(comm);
//trimit la toti peeri mesajul
for (list<Peer>::iterator it=peers.begin(); it!=peers.end(); ++it){
int ip=getIP(sd);
unsigned short port=getPort(sd);
msg.clear();
msg.push_back(MSG_search);
msg.push_back(40, uuid);
msg.push_back(sizeof(ip), &ip);
msg.push_back(sizeof(port), &port);
msg.push_back(input.size(), input.c_str());
sendto(udpsd, msg.getMessage(), msg.getSize(), 0, (sockaddr*)&it->address, sizeof(it->address));
}
}
else{
}
}
for (int d=3; d<=nfds; ++d){
if (FD_ISSET(d, &errorfds)){
}
if (FD_ISSET(d, &readfds)){
if (d==udpsd){
MSG msgType;
char ipString[40];
int port, size;
socklen_t sock_size = sizeof(client);
if ((size=recvfrom(d, msgBuffer, 100, 0, (sockaddr*)&client, &sock_size))<=0){
printf("Clientul s-a inchis");
continue;
}
Message msg(size, msgBuffer);
msg.pop_front(msgType);
switch (msgType){
case MSG_connectAsServer:
printf("[server] Connection request P2P_connectAsServer\n");
serverPeers.push_back(client);
case MSG_connectAsPeer:
inet_ntop(client.sin_family, &client.sin_addr.s_addr, ipString, sizeof(ipString));
port = client.sin_port;
printf("[server] Connection request\n");
printf("[server] S-a conectat un peer %s %d\n", ipString, port);
peers.push_back(client);
sock_size = sizeof(client);
msg.clear();
msg.push_back(MSG_connectedOK);
sendto(udpsd, msg.getMessage(), msg.getSize(), 0, (sockaddr*)&client, sock_size);
///inainte de push verificam sa nu fie in lista (nu e deja peer)
printf("[server] Numar total de conexiuni: %lu\n", peers.size());
break;
case MSG_pong:
inet_ntop(client.sin_family, &client.sin_addr.s_addr, ipString, sizeof(ipString));
port = client.sin_port;
for (list<Peer>::iterator it=peers.begin(); it!=peers.end(); ++it){
if (!memcmp(&it->address, &client, sizeof(it->address))){
///client a raspuns la ping
printf("[server] Pong from %s %d\n", ipString, port);
it->lastPong = getTicks();
it->tries = 0;
break;
}
}
break;
case MSG_search:
commands.push_back(msg);
for (list<Peer>::iterator it=peers.begin(); it!=peers.end(); ++it){
sendto(udpsd, msg.getMessage(), msg.getSize(), 0, (sockaddr*)&it->address, sizeof(it->address));
}
break;
default:
printf("[server] Wrong option\n");
}
}
else{
}
}
if (FD_ISSET(d, &writefds)){
}
}
ping();
return 0; //maybe return value is not needed
}
void commandLine(){
inputKey = 0;
exit = 0;
temp = 0;
counter = 0;
vgaSetup(3);
vgaSetPos(0,0);
vgaPrintString( getOSVersion() );
while( 1 ){
exit = 0;
counter = 0;
vgaPrintString( "BuenOS >" );//prompt input
while( ( exit == 0 && inputKey == 0 ) || exit == 0 ){//fill input buffer
inputKey = getKey();
if( isInput( inputKey ) ){
if( inputKey == 27 ){//esc
cursorPos = vgaGetPos();
vgaSetPos( ( cursorPos->x - counter ), cursorPos->y );
for( temp = 0; temp < counter; temp++){
vgaPrint( ' ' );
}
vgaSetPos( ( cursorPos->x - counter ), cursorPos->y );
counter = 0;
inputBuffer[counter] = 0;
}
else if( inputKey == 13 ){//enter
exit = 1;//finish buffer loop
inputBuffer[counter] = 0;//null terminate string
while( counter < sizeOfBuffer ){//null out remaining buffer
inputBuffer[counter] = 0;
counter++;
}
vgaPrintString( "\r\n" );
}
else if( inputKey == 8 ){//backspace
if( counter != 0 ){
vgaPrintString( "\b \b" );
counter--;
inputBuffer[counter] = 0;
}
}
else if( counter != sizeOfBuffer ){
vgaPrint( inputKey );
inputBuffer[counter] = inputKey;
counter++;
}
}
}
stringCopy( inputBuffer, tempBuffer );
stringParseInfo = stringParse( tempBuffer );
stringParseInfo->argc++;
stringUppercase( stringParseInfo->argv[0] );
if( stringLength( stringParseInfo->argv[0] ) != 0 ){
if( stringEqual( stringParseInfo->argv[0], "HELP" ) ) vgaPrintString( helpString );
else if( stringEqual( stringParseInfo->argv[0], "CLEAR" ) ) vgaSetup( 3 );
else if( stringEqual( stringParseInfo->argv[0], "VERSION" ) ) vgaPrintString( getOSVersion() );
else if( stringEqual( stringParseInfo->argv[0], "ECHO" ) ) {
stringStrip( stringParseInfo->argv[1], '"' );
vgaPrintString( stringParseInfo->argv[1] );
vgaPrintString( "\r\n" );
}
else if( stringEqual( stringParseInfo->argv[0], "DIR" ) ){
getFileList( tempBuffer );
stringFindAndReplace( tempBuffer, ',', ' ' );
stringParseInfo = stringParse( tempBuffer );
temp = 0;
while( temp <= stringParseInfo->argc ){
vgaPrintString( stringParseInfo->argv[temp] );
cursorPos = vgaGetPos();
vgaSetPos( 12, cursorPos->y );
vgaPrintString( intToString( getFileSize( stringParseInfo->argv[temp] ) ) );
vgaPrintString( " bytes\r\n" );
temp++;
}
}
else if( stringEqual( stringParseInfo->argv[0], "SIZEOF" ) ){
vgaPrintString( intToString( getFileSize( stringParseInfo->argv[1] ) ) );
vgaPrintString( " bytes\r\n" );
}
else if( stringEqual( stringParseInfo->argv[0], "RENAME" ) ){
stringUppercase( stringParseInfo->argv[1] );
stringUppercase( stringParseInfo->argv[2] );
if( fileExists( stringParseInfo->argv[1] ) && stringLength( stringParseInfo->argv[1] ) != 0 && stringLength( stringParseInfo->argv[2] ) != 0 ){
if( stringEqual( stringParseInfo->argv[1], "KERNEL.BIN" ) ) vgaPrintString( "Nice try.\r\n" );
else if( fileExists( stringParseInfo->argv[2] ) || renameFile( stringParseInfo->argv[1], stringParseInfo->argv[2] ) ){
vgaPrintString( "File " );
vgaPrintString( stringParseInfo->argv[1] );
vgaPrintString( " could not be renamed to " );
vgaPrintString( stringParseInfo->argv[2] );
vgaPrintString( "\r\n" );
}
else{
vgaPrintString( "File " );
vgaPrintString( stringParseInfo->argv[1] );
vgaPrintString( " successfully renamed to " );
vgaPrintString( stringParseInfo->argv[2] );
vgaPrintString( "\r\n" );
}
}
else{
vgaPrintString( "File " );
vgaPrintString( stringParseInfo->argv[1] );
vgaPrintString( " cannot be found.\r\n" );
}
}
else if( stringEqual( stringParseInfo->argv[0], "DELETE" ) ){
stringUppercase( stringParseInfo->argv[1] );
if( fileExists( stringParseInfo->argv[1] ) && stringLength( stringParseInfo->argv[1] ) != 0 ){
if( stringEqual( stringParseInfo->argv[1], "KERNEL.BIN" ) != 1 ){
if( removeFile( stringParseInfo->argv[1] ) ){
vgaPrintString( "File " );
vgaPrintString( stringParseInfo->argv[1] );
vgaPrintString( " could not be deleted\r\n" );
}
else{
vgaPrintString( "File " );
vgaPrintString( stringParseInfo->argv[1] );
vgaPrintString( " successfully deleted\r\n" );
}
}
else vgaPrintString( "OMG just stop it. I NEED THAT!\r\n\nIT'S NOT FUNNY! ARGH!\r\n\n\n" );
}
}
else if( stringEqual( stringParseInfo->argv[0], "SHUTDOWN" ) ) shutdown();
else if( stringEqual( stringParseInfo->argv[0], "RESTART" ) ) restart();
else runApplication( stringParseInfo );
}
}
}
