//Function to input and initiate initial selection of action
void Information::compSciOrLinkChoice()
{
char number;
cin >> number;
cout << endl;
switch (number) {
case'1':{
instructions();
choices(number);
break;}
case '2':{
instructions();
choices(number); //scientis
break;}
case '3':{
linkChoice();
break;}
case '4':{
//serv.disconnect();
displayClosing();
exit(0);
break;}
default:{
cout << "This is invalid choice!! " << endl;
compSciOrLink();
break;}
}
}
/**
Procedure: commandHandler
Purpose: Handles User Commands & Command Execution
Parameters: None
Return value: None
Calls: displayWelcome, keyboardInput, cmpP2S, handler_help, handler_version, handler_set_date, handler_get_date, handler_display_mpx,
handler_display_history, handler_terminate_mpx, change_prompt, handler_help_function, handler_create_pcb, handler_delete_pcb,
handler_block, handler_unblock, handler_suspend, handler_resume, handler_set_priority, handler_show_pcb, handler_show, displayClosing,
commandCleanup, sys_exit
Globals: comDone, userCommand
Errors: None
**/
void commandHandler(){
int userCommandSize;
displayWelcome(); //2.1 Display the Welcome Message
while(comDone !=1){ //2.2 Begin While Loop for User Commands
userCommand = NULL;
printf("\nPlease enter the command to be executed(case sensitive).\n");
userCommand = keyboardInput(0); //2.2.1 Request User Input & Accept Command from User
printf("\n");
//Decision Statement
if(cmpP2S(userCommand, "help") == 1 || cmpP2S(userCommand, "/?") == 1){
handler_help();
}
else if(cmpP2S(userCommand, "version") == 1){
handler_version();
}
else if(cmpP2S(userCommand, "set_date") == 1){
handler_set_date();
//fix = 1;
}
else if(cmpP2S(userCommand, "get_date") == 1){
handler_get_date();
}
else if(cmpP2S(userCommand, "display_mpx") == 1){
handler_display_mpx();
}
//else if(cmpP2S(userCommand, "display_history") == 1){
// handler_display_history();
//}
else if(cmpP2S(userCommand, "terminate_mpx") == 1||cmpP2S(userCommand, "exit") == 1||cmpP2S(userCommand, "quit") == 1){
handler_terminate_mpx();
}
else if(cmpP2S(userCommand, "change_prompt") == 1){
change_prompt();
//fix = 1;
}
else if(cmpP2S(userCommand, "help_version")==1){
handler_help_function("version");
}
else if(cmpP2S(userCommand, "help_set_date")==1){
handler_help_function("set_date");
}
else if(cmpP2S(userCommand, "help_get_date")==1){
handler_help_function("get_date");
}
else if(cmpP2S(userCommand, "help_display_mpx")==1){
handler_help_function("display_mpx");
}
else if(cmpP2S(userCommand, "help_terminate_mpx")==1){
handler_help_function("terminate_mpx");
}
else if(cmpP2S(userCommand, "help_change_prompt")==1){
handler_help_function("change_prompt");
}
else if(cmpP2S(userCommand, "help_create_pcb")==1){
handler_help_function("create_pcb");
}
else if(cmpP2S(userCommand, "create_pcb")==1){
handler_create_pcb();
}
else if(cmpP2S(userCommand, "help_delete_pcb")==1){
handler_help_function("delete_pcb");
}
else if(cmpP2S(userCommand, "delete_pcb")==1){
handler_delete_pcb();
}
else if(cmpP2S(userCommand, "help_block")==1){
handler_help_function("block");
}
else if(cmpP2S(userCommand, "block")==1){
handler_block();
}
else if(cmpP2S(userCommand, "help_unblock")==1){
handler_help_function("unblock");
}
else if(cmpP2S(userCommand, "unblock")==1){
handler_unblock();
}
else if(cmpP2S(userCommand, "help_suspend")==1){
handler_help_function("suspend");
}
else if(cmpP2S(userCommand, "suspend")==1){
handler_suspend();
}
else if(cmpP2S(userCommand, "help_resume")==1){
handler_help_function("resume");
}
else if(cmpP2S(userCommand, "resume")==1){
handler_resume();
}
else if(cmpP2S(userCommand, "help_set_priority")==1){
handler_help_function("set_priority");
}
else if(cmpP2S(userCommand, "set_priority")==1){
handler_set_priority();
}
else if(cmpP2S(userCommand, "help_show_pcb")==1){
handler_help_function("show_pcb");
}
else if(cmpP2S(userCommand, "show_pcb")==1){
handler_show_pcb();
}
else if(cmpP2S(userCommand, "help_show_all")==1){
handler_help_function("show_all");
}
else if(cmpP2S(userCommand, "show_all")==1){
handler_show(0);
}
else if(cmpP2S(userCommand, "help_show_ready")==1){
handler_help_function("show_ready");
}
else if(cmpP2S(userCommand, "show_ready")==1){
handler_show(4);
handler_show(6);
}
else if(cmpP2S(userCommand, "help_show_blocked")==1){
handler_help_function("show_blocked");
}
else if(cmpP2S(userCommand, "show_blocked")==1){
handler_show(5);
handler_show(7);
}
else {
printf("Invalid Command.\n");
}//end if - Decision
}//end while
displayClosing(); //2.2.4 Display closing message
commandCleanup(); //2.2.5 Cleanup Allocated Memory
keyboardInput(0);
sys_exit(); //2.2.6 Return to host system
}
