// if connected, send out a message
// returns false if not connected or error.
// auto-splits large messages larger than buffer.
bool SockClient::sendc(CharString message){
CharString emsg = (encryptor!=0x0) ? encryptor(message) : message; // Apply encryption
if(emsg.getSize() <= 2) return false;
//cout << "Send message(" << emsg.getSize() << ")" << emsg.get() << endl;
cout << "Send message(" << emsg.getSize() << ")"<< endl;
int flags=0;
int looptimes=1;
int i, msgret, msgsize;
char* msg;
#ifdef LINUXXX
if(!testAlive()){
// uh...
return false;
}
if(ctype == SC_TCP){
//msgret = send(sockd, message.get(), message.getSize(), flags);
//cout << "Pre-write SC_TCP " << emsg.getSize() << endl;
if(testAlive())
msgret = write(sockd, emsg.get(), emsg.getSize());
//cout << "post-write" << endl;
}else{
socklen_t addrlen = sizeof(struct sockaddr_in);
//msgret = sendto(sockd, emsg.get(), emsg.getSize(), &cli_addr, address);
}
// detect error
if(msgret == -1) return false;
#endif
return true;
}
/* Returns the name of the end point.
* Input: String location
* Output: Very ending of string after last "/"
*/
CharString FileSystem::getNameFromString(CharString location) {
// gets the name of the last "/dir/dir2/name", even if it ends with "/".
if(location.get()[location.getSize()-1] == '/') {
// remove trailing "/".
location.get()[location.getSize()-1] = '\0';
location.setSize(location.getSize()-1);
}
CharString result = CharString("");
// split all by "/".
if(location.contains("/")) {
// get the very last result of the split.
LinkedList<CharString>* sresult = location.split('/','`');
result = *sresult->get(sresult->size()-1);
} else {
result = location;
}
return result;
}
void Logger::processLog(CharString data){
if(console){
cout << data;// << endl;
cout.flush();
}
// push data to file
if(file.is_open()){
file.write(data.get(), data.getSize());
file.write((char*)"\n", 1);
}
}
void _msgClientHandler(CharString dataIn, CharString &dataOut, SockClient* client, void* instance){
// handle packets. First 2 bytes on the packet are the channel to use.
MSGServer *serv = (MSGServer*)instance;
if(dataIn.getSize() > 2){
// loop through and manage clients
MSGClient* cli = serv->getMSGClient(client);
if(cli != 0x0){
_msgClientHandler_ANY_recv(serv, cli, dataIn, dataOut);
//PacketChannel* channelx = cli->getChannel(channel);
//channelx->addRecvPacketData(new CharString(dataIn.get(), dataIn.getSize()));
//serv->handler (cli, channelx);
}
}
}
// LinkedList<LinkedList<CharString>> lines = SimpleParseFile(file, '\n');
void APIMod::loadProperties(){ // , CharString name, CharString language, CharString version
if(propertiesloaded) return;
LinkedList<LinkedList<CharString>> lines = SimpleParseString(getModFileData("mod.properties"), '=');
CharString depvers = "";
LinkedListIterator<LinkedList<CharString>> lineit = lines.getIterator();
while(lineit.hasNext()){
LinkedList<CharString> p = lineit.next();
CharString pname = p[0];
if(pname.compare(CharString("name")))
this->name = p[1];
else if(pname.compare(CharString("unixname")))
this->unixname = p[1];
else if(pname.compare(CharString("language"))) // c++, java, etc.
this->language = p[1];
else if(pname.compare(CharString("version"))){
this->versionstr = p[1];
this->version = APIModVersion(p[1]);
}else if(pname.compare(CharString("dependency_versions")))
depvers = p[1];
}
this->modcwdloc = unixname; // relative folder location for mod
// load dependency versioning information
// this->dependencyversions.add("mod1:v12938");
if(depvers.getSize() > 3){
if(depvers.contains(", ")){
depvers.replace(" ", "");
LinkedList<CharString> v = depvers.split(",");
this->dependencyversions.addAll(v);
}else{
this->dependencyversions.add(depvers);
}
}
propertiesloaded=true;
}
void SockClient::readhandler(){
int n;
const int buflen = bufferSize;
char buffer[buflen];
CharString writeto;
Logger::GLOBAL.log("[SockClient] reading thread started");
while(alive){
n = read(sockd, buffer, buflen);
if (n < 0){
std::this_thread::sleep_for(std::chrono::milliseconds(5));
continue;
}else if(n==0){
Logger::GLOBAL.log("[SockClient] disconnected from server");
if(disconnected != 0x0) disconnected(server, this);
alive = false;
return;
}
// post-clear extra data in packet... (Prevents extra cpu usage, clearer data stream)
for(int i=n-1;i<buflen;i++) buffer[i] = 0;
if(_clientHandler != 0x0 && n > 1) {
//CharString d = (server->decryptor!=0x0) ? server->decryptor(CharString(buffer,n)) : CharString(buffer,n); // decrypt
CharString d = CharString(buffer,n); // decrypt
_clientHandler(d, writeto, this, exVAL);
if(writeto.getSize() > 0){
// segment packet if it is too large.
sendc(writeto); // encryption in-client
}
}
}
Logger::GLOBAL.log("[SockClient] reading thread ended");
alive = false;
}
// Handle basic client stuff
void ClientHandler_(SockClient* tclient) {
// Talk with the client, pre-load into a buffer
int n;
char buffer[BUFFER_SIZEX];
while(tclient->alive) {
#if __linux__ || __unix__
n = read(tclient->sockd, buffer, BUFFER_SIZEX);
if (n < 0) error("ERROR reading from socket");
CharString* writeto = new CharString(); // writeto is a string that we write to, used by the
if(tclient->_clientHandler != 0x0) {
tclient->_clientHandler(new CharString(buffer,BUFFER_SIZEX), writeto);
n = write(tclient->sockd, writeto->get(), writeto->getSize());
if (n < 0) error("ERROR writing to socket");
}
#endif // __linux__
}
}
/*
* Desc: Takes in a single line and expresses the line in a math formula to solve it.
* Input: CharString* Line.
* Output: (Console) Output of all expressions.
* */
CharString Eval(CharString Line) {
//cout << line << endl;
// get length of line
int lsize = 0;
for(int i=0; i<Line.getSize(); i++) {
if(Line.get()[i] != 0x0) {
lsize++;
}
}
Line.setSize(lsize);
// PARSE each section. Format SHOULD be like this:
// 1 + 2 [number operator number]
// 1 + 2 * 3 [n o n o n]
// 1 + 5 * 10^2 [n o n o non]
// 110/ 98 [no n] (Automatic parse finding)
// list of operators:
// () + - / * ^ % < > = <= >= [NOTE that as of this time, parentheses will not be used]
// Thus, it can be infered that we can break up each system by placing the most important
// System (order of operations) on the top of the stack and placing the least important
// +/- at the bottom of the stack...
// Order of operations:
// ^ / * + - (>= = <= < > [END-CLASS operators])
// Parse method:
// 1.) loop-through n times to get full stack.
NumStack = new Stack(); // NumStack is used to store the initial numbers
OpStack = new Stack(); // OpStack is used to store the initial operators
// note that both stacks store information through the same MathOperationNode Type.
// This will be solved later when we interlace the operators with the variables.
char* LineD = Line.get();
char* NumTemp = new char();
int NumTempLen = 0;
MOperator OpTemp = none;
for(int i=0; i<Line.getSize(); i++) {
char g = LineD[i];
MOperator tOp = getOperatorFromChar(g);
if(isCharNumber(g)) { // is this a number?
// this is a single digit for NumTemp. Add to it.
NumTemp[NumTempLen] = g;
NumTempLen++;
// dump OpTemp if it is available.
dumpOp(OpTemp);
OpTemp = none;
} else if (tOp != none) {
if(OpTemp != none) {
MOperator gox = combineOperators(tOp,OpTemp);
if(gox != none) OpTemp = gox;
} else {
OpTemp = tOp;
}
// dump NumTemp if it is available.
dumpNum(NumTemp,NumTempLen);
NumTempLen=0;
} else {
// dump NumTemp if it is available.
// dump OpTemp if it is available.
dumpNum(NumTemp,NumTempLen);
NumTempLen=0;
dumpOp(OpTemp);
OpTemp = none;
}
}
// dump NumTemp if it is available.
// dump OpTemp if it is available.
dumpNum(NumTemp,NumTempLen);
NumTempLen=0;
dumpOp(OpTemp);
OpTemp = none;
while(OpStack->size > 0) {
int res = doOp();
//cout << "=" << res << endl;
NumStack->push(res);
}
int c = NumStack->pop();
if(c == -98) cout << "F";
else if(c == -99) cout << "T";
else cout << c;
return CharString::ConvertFromInt(c);
}
