int main(void){
struct token token = {0};
struct command command = {0};
boolean end = false;
pid_t shell_pgid;
int terminal;
void *handle;
terminal = STDIN_FILENO;
while(tcgetpgrp(terminal) != (shell_pgid = getpgrp())){
kill(- shell_pgid,SIGTTIN);
}
shell_pgid = getpid();
if(setpgid(shell_pgid,shell_pgid) < 0){
printf("Erro");
exit(1);
}
tcsetpgrp(terminal,shell_pgid);
terminateCommand ( & command );
signal( SIGCHLD , terminateHandler );
stopCommand( & command );
signal ( SIGTSTP , stopHandler );
handle = dlopen("./libparser.so", RTLD_LAZY);
do{
((void(*)(struct token*))(dlsym(handle,"getTokens")))(&token);
((void(*)(struct token*))(dlsym(handle,"identifyTokens")))(&token);
if(!((boolean(*)(struct token*))(dlsym(handle,"checkSyntax")))(&token)) continue;
if(ECHO_TOKENS) ((void(*)(struct token*))(dlsym(handle,"echoTokens")))(&token);
if(ECHO_INPUT) ((void(*)(struct token*))(dlsym(handle,"echoInput")))(&token);
while(((boolean(*)(struct token*,struct command*))(dlsym(handle,"getCommand")))(&token, &command)){
if(ECHO_COMMAND) ((void(*)(struct command))(dlsym(handle,"echoCommand")))(*(command.next));
end = executeCommand(command.next);
}
}
while(!end);
((void(*)(struct command*))(dlsym(handle,"clearCommand")))(&command);
((void(*)(struct token*))(dlsym(handle,"clearToken")))(&token);
dlclose(handle);
return 0;
}
void terminateHandler(int signalNumber){
terminateCommand(NULL);
}
int commonInterface::runCommand(string command)
{
char commandStr[MAX_COMMAND_LEN];
memset(commandStr,0, MAX_COMMAND_LEN);
sscanf(command.c_str(), "%s", commandStr);
if(strlen(commandStr)<=0)
return ERROR;
string upperCaseCommand = commandStr;
for(int i=0;i<upperCaseCommand.length();i++)
{
upperCaseCommand[i] = toupper(upperCaseCommand[i]);
}
if(strcmp(upperCaseCommand.c_str(), "CREATOR") == 0)
{
mWindow->displayCreator();
}
else if(strcmp(upperCaseCommand.c_str(), "HELP") == 0)
{
mWindow->displayHelpMenu();
}
else if(strcmp(upperCaseCommand.c_str(), "MYIP") == 0)
{
mWindow->displayMyIP(mMyIP);
}
else if(strcmp(upperCaseCommand.c_str(), "MYPORT") == 0)
{
mWindow->displayMyPort(mPort);
}
else if(strcmp(upperCaseCommand.c_str(), "REGISTER") == 0)
{
if(mMode == SERVER)
{
cout<<"\n Register command not available in server mode"<<endl;
return true;
}
registerCommand(command);
}
else if(strcmp(upperCaseCommand.c_str(), "CONNECT") == 0)
{
connectCommand(command);
return 1;
}
else if(strcmp(upperCaseCommand.c_str(), "LIST") == 0)
{
listCommand();
}
else if(strcmp(upperCaseCommand.c_str(), "TERMINATE") == 0)
{
terminateCommand(command);
}
else if(strcmp(upperCaseCommand.c_str(), "EXIT") == 0)
{
exitCommand();
return EXIT_PROGRAM;
}
else if(strcmp(upperCaseCommand.c_str(), "UPLOAD") == 0)
{
uploadCommand(command);
}
else if(strcmp(upperCaseCommand.c_str(), "DOWNLOAD") == 0)
{
downloadCommand(command);
}
else if(strcmp(upperCaseCommand.c_str(), "STATISTICS") == 0)
{
statCommand();
}
else
{
//Wrong command enter
cout<<"\n Command not found. Please note the commands are case sensetive\n";
return ERROR;
}
}
