int main() {
HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if (SUCCEEDED(hr)) {
IPingable * ptrPingable;
HRESULT hr = CoCreateInstance(CLSID_CoPingEngine, NULL, CLSCTX_LOCAL_SERVER, IID_IPingable, reinterpret_cast<void**>(&ptrPingable));
if (SUCCEEDED(hr)) {
ptrPingable->Initialize();
StatusResponse status;
ptrPingable->Ping(12345, &status);
printf("Status for ping code 12345: %d %S\n", status.Code, status.Description);
ptrPingable->Ping(777, &status);
printf("Status for ping code 777: %d %S\n", status.Code, status.Description);
ptrPingable->Ping(1800, &status);
printf("Status for ping code 1800: %d %S\n", status.Code, status.Description);
CComVariant history;
hr = ptrPingable->RetrieveHistory(&history);
if (SUCCEEDED(hr)) {
printHistory(history);
}
else {
DisplayStatus(TEXT("RetrieveHistory failed: \n"), hr);
}
// Try creating a larger history
printf("Sending more pings...\n");
for (int i = 0; i < 16; i++) {
ptrPingable->Ping(i, &status);
}
hr = ptrPingable->RetrieveHistory(&history);
if (SUCCEEDED(hr)) {
printHistory(history);
}
else {
DisplayStatus(TEXT("RetrieveHistory failed: \n"), hr);
}
SysFreeString(status.Description);
ptrPingable->Release();
}
else {
DisplayStatus(TEXT("CoCreateInstance(CoPingEngine) failed: "), hr);
}
CoUninitialize();
}
else {
DisplayStatus(TEXT("CoInitializeEx failed: "), hr);
}
return 0;
}
//this function does what's needed for each built-in command. Note: these commands cannot be
//run in the background. Returns 1 if a built-in command is detected, 0 if not
int builtInCmd(char *argList[], struct hist *histList, int count) {
int cdCheck;
int isBuiltIn = 1;
//builtin exit command
if (strcmp(argList[0], "exit") == 0) {
printf("Exiting shell...\n\n");
exit(0);
//builtin cd (change directory) command, implemented with chdir() system call
} else if (strcmp(argList[0], "cd") == 0) {
if ((cdCheck = chdir(argList[1]) == -1)) {
printf("chdir() failure... now exiting shell");
_exit(EXIT_FAILURE);
}
//builtin command to display history
} else if (strcmp(argList[0], "history") == 0) {
printHistory(&histList[0], count);
//builtin command to display currently running jobs
} else if (strcmp(argList[0], "jobs") == 0) {
updateJobs();
printJobs();
//builtin command to bring a background job to the foreground
} else if (strcmp(argList[0], "fg") == 0) {
if (argList[1] == NULL)
printf("Invalid command: must give a Process ID number with the fg command.\n");
if (bringToForeground(argList) == 0)
printf("The process with that PID is not currently running.\n");
} else {
isBuiltIn = 0;
}
return isBuiltIn;
}
int runCommand(){
int i = 0;
int argc = splitString(textBuffer, ' ');
for(i =0;i<argc;i++){argv[i]=stringArray[i];}
if(k_strcmp(argv[0], "")==0){}
else if(k_strcmp(argv[0], "clear")==0){ clearScreen(); typeOffset = 0;}
else if(k_strcmp(argv[0], "history")==0){ printHistory();}
else if(k_strcmp(argv[0], "pong")==0){ pong();}
else if(k_strcmp(argv[0], "help")==0){ listCommands();}
else if(k_strcmp(argv[0], "welcome")==0){ welcome();}
else if(k_strcmp(argv[0], "splash")==0){ splash();}
else if(k_strcmp(argv[0], "ls")==0){ ls(argc, argv); }
else if(k_strcmp(argv[0], "cat")==0){ cat(argc, argv); }
else if(k_strcmp(argv[0], "rm")==0){ rm(argc, argv); }
else if(k_strcmp(argv[0], "chmod")==0){ chmod(argc, argv); }
else if(k_strcmp(argv[0], "te")==0){ te(argc, argv); }
else if(k_strcmp(argv[0], "cp")==0){ cp(argc, argv); }
else if(k_strcmp(argv[0], "diff")==0){ diff(argc, argv); }
else if(k_strcmp(argv[0], "wc")==0){ wc(argc, argv); }
else if(k_strcmp(argv[0], "su")==0){ su(argc, argv); }
else if(k_strcmp(argv[0], "chown")==0){ chown(argc, argv); }
else if(k_strcmp(argv[0], "echo")==0){ echo(argc, argv); }
else if(k_strcmp(argv[0], "adduser")==0){ adduser(argc, argv); }
else if(k_strcmp(argv[0], "deluser")==0){ deluser(argc, argv); }
else if(k_strcmp(argv[0], "listus")==0){ listus(); }
else if(k_strcmp(argv[0], "passwd")==0){ passwd(argc, argv); }
else if(k_strcmp(argv[0], "mkdir")==0){ mkdir(argc, argv); }
else if(k_strcmp(argv[0], "rmdir")==0){ rmdir(argc, argv); }
else if(k_strcmp(argv[0], "cd")==0){ cd(argc, argv); }
else if(k_strcmp(argv[0], "pwd")==0){ pwd(argc, argv); }
else if(k_strcmp(argv[0], "mv")==0){ mv(argc, argv); }
// else check files
else {
printToConsole("Error: Unknown command '");
printToConsole(argv[0]);
printToConsole("'\n");
}
return 0;
}
/* sig_handler called asyncronously by the OS. This function prints
* the recieved signal to standard output. Special cases for SIGINT,
* print out command history, and SIGCHLD, handles termination of a child
* process are included.
* Parameters:
* int sig - signal number to be handled.
*/
void sig_handler(int sig) {
int status;
pid_t pid;
if(sig == SIGINT) {
printHistory();
}
else if(sig == SIGCHLD) {
while( (pid = waitpid(-1, &status, WNOHANG)) > 0 ) {
removeChild(pid);
}
}
else {
printf("\nRecieved Signal:%i\n", sig);
}
// normal execution has been inturrupted.
interrupted = 1;
}
void printHistoryList()
{
int dif = (*HISTORY).size - HISTCOUNT;
int i = 1;
Node * cur = (*HISTORY).head;
while(i <= dif)
{
cur = (*cur).next;
i++;
}
while((*cur).next != NULL)
{
cur = (*cur).next;
printf("%d ", i);
printHistory((*cur).data);
i++;
}
}
int main()
{
char input[1000];
char history[999][1000];
// char history[4][1000];
int historyPointerLocation = 0;
int noOfElementsInHistory = 0;
while(1)
{
// signal(SIGCHLD, SIG_DFL);
printf("\nSamShell-v0.0> ");
fgets(input,1000,stdin);
char* input2 = removeWhiteSpace(input);
strcpy(input,input2);
char inputArray[100][100];
int inputArrayCount = 0,i=0;
splitCommandAndArgs(input,&inputArrayCount,inputArray);
if(input[0]=='\0')
{
continue;
}
int redirectQ = searchForRedirection(inputArray,&inputArrayCount);
if(redirectQ!=0)
{
redirectionExecution(input, inputArray,&inputArrayCount,&redirectQ);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
int pipeQ = searchForPiping(inputArray,&inputArrayCount);
if(pipeQ==1)
{
pipingExecution(input,inputArray,&inputArrayCount);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
if((strlen(input))==4)
{
char temporary[1000];
strcpy(temporary,input);
int i=0;
for(;i<strlen(temporary);i++)
{
temporary[i] = tolower(temporary[i]);
}
if(strncmp(temporary,EXIT,4)==0 || strncmp(temporary,QUIT,4)==0 )
{
printf("\n");
printf(BYE);
printf("\n");
return EXIT_SUCCESS;
}
if(input[0]=='!')
{
if(isdigit(input[1])&&isdigit(input[2])&&isdigit(input[3]))
{
int hundreds = (input[1] - '0')*100;
int tens = (input[2] - '0')*10;
int ones = (input[3] - '0');
int calculatedNumber = hundreds + tens + ones;
if(calculatedNumber>noOfElementsInHistory || calculatedNumber==0)
{
fprintf(stderr,"SamShell: ERROR : '%s': event not found\n",input);
continue;
}
char* temp = searchHistoryUsingNumber(calculatedNumber,&historyPointerLocation,&noOfElementsInHistory,history);
strcpy(input,temp);
splitCommandAndArgs(input,&inputArrayCount,inputArray);
if(strlen(input)==7)
{
if(strncmp(input,HISTORY,7)==0)
{
printHistory(history,&historyPointerLocation,&noOfElementsInHistory);
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
}
int redirectQIn = searchForRedirection(inputArray,&inputArrayCount);
if(redirectQIn!=0)
{
redirectionExecution(input, inputArray,&inputArrayCount,&redirectQIn);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
int pipeQIn = searchForPiping(inputArray,&inputArrayCount);
if(pipeQIn==1)
{
pipingExecution(input,inputArray,&inputArrayCount);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
if((strlen(input))==2)
{
if(strncmp(input,"cd",2)==0)
{
if(inputArrayCount>=1)
{
changeDirForeFunction(input,inputArray[0]);
}
else
{
fprintf(stderr,"SamShell: ERROR : invalid argument for cd\n");
}
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
}
searchInMyPath(input,inputArray,inputArrayCount);
continue;
}
else
{
searchInMyPath(input,inputArray,inputArrayCount);
continue;
}
}
}
if((strlen(input))==2)
{
if(strncmp(input,"cd",2)==0)
{
if(inputArrayCount>=1)
{
changeDirForeFunction(input,inputArray[0]);
}
else
{
fprintf(stderr,"SamShell: ERROR : invalid argument for cd\n");
}
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
}
if((strlen(input))==2)
{
if(input[0]=='!' && input[1]=='!')
{
if(noOfElementsInHistory!=0)
{
char* temp;
if(historyPointerLocation!=0)
{
temp = history[historyPointerLocation-1];
}
else
{
temp = history[noOfElementsInHistory-1];
}
strcpy(input,temp);
splitCommandAndArgs(input,&inputArrayCount,inputArray);
if(strncmp(input,HISTORY,7)==0)
{
printHistory(history,&historyPointerLocation,&noOfElementsInHistory);
continue;
}
int redirectQIn = searchForRedirection(inputArray,&inputArrayCount);
if(redirectQIn!=0)
{
redirectionExecution(input, inputArray,&inputArrayCount,&redirectQIn);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=4)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
int pipeQIn = searchForPiping(inputArray,&inputArrayCount);
if(pipeQIn==1)
{
pipingExecution(input,inputArray,&inputArrayCount);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
continue;
}
if((strlen(input))==2)
{
if(strncmp(input,"cd",2)==0)
{
if(inputArrayCount>=1)
{
changeDirForeFunction(input,inputArray[0]);
}
else
{
fprintf(stderr,"SamShell: ERROR : invalid argument for cd\n");
}
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
}
searchInMyPath(input,inputArray,inputArrayCount);
continue;
}
else
{
fprintf(stderr,"SamShell: ERROR : '%s': event not found\n",input);
continue;
}
}
}
if(input[0]=='!')
{
int i=1;
char *tempo;
char prefixString[1000];
tempo = strndup(input+1,strlen(input)-1);
strcpy(prefixString,tempo);
for(i=0;i<inputArrayCount;i++)
{
strcat(prefixString," ");
strcat(prefixString,inputArray[i]);
}
prefixString[strlen(prefixString)] = '\0';
char *temp = searchHistoryUsingPrefix(prefixString,&historyPointerLocation,&noOfElementsInHistory,history);
if(temp[0]!='\0')
{
printf("\ntemp %s\n",temp);
strcpy(input,temp);
splitCommandAndArgs(input,&inputArrayCount,inputArray);
if(strncmp(input,HISTORY,7)==0)
{
printHistory(history,&historyPointerLocation,&noOfElementsInHistory);
continue;
}
int redirectQIn = searchForRedirection(inputArray,&inputArrayCount);
if(redirectQIn!=0)
{
redirectionExecution(input, inputArray,&inputArrayCount,&redirectQIn);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
int pipeQIn = searchForPiping(inputArray,&inputArrayCount);
if(pipeQIn==1)
{
pipingExecution(input,inputArray,&inputArrayCount);
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
if((strlen(input))==2)
{
if(strncmp(input,"cd",2)==0)
{
if(inputArrayCount>=1)
{
changeDirForeFunction(input,inputArray[0]);
}
else
{
fprintf(stderr,"SamShell: ERROR : invalid argument for cd\n");
}
int i=0;
for(;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
continue;
}
}
searchInMyPath(input,inputArray,inputArrayCount);
continue;
}
}
if(strncmp(input,HISTORY,7)!=0)
{
searchInMyPath(input,inputArray,inputArrayCount);
}
if(historyPointerLocation>998){historyPointerLocation=0;}
if(inputArrayCount!=0)
{
for(i=0;i<inputArrayCount;i++)
{
strcat(input," ");
strcat(input,inputArray[i]);
}
}
strcpy(history[historyPointerLocation],input);
historyPointerLocation=historyPointerLocation + 1;
if(noOfElementsInHistory!=999)
{
noOfElementsInHistory = noOfElementsInHistory+1;
}
if(strlen(input)==7)
{
if(strncmp(input,HISTORY,7)==0)
{
printHistory(history,&historyPointerLocation,&noOfElementsInHistory);
continue;
}
}
}
return EXIT_SUCCESS;
}
int main(int argc, char * argv[], char **envp)
{
//The following two functions catch and process the interrupt and stop signals
//AKA signals sent by the Ctrl-C and Ctrl-Z commands
if (signal(SIGINT,signal_catcher)==SIG_ERR)
{
perror("Sigset cannot set SIGINT");
exit(SIGINT);
}
if (signal(SIGTSTP, signal_catcher)==SIG_ERR)
{
perror("Sigset can not set SIGTSTP");
exit(SIGTSTP);
}
//Declaring and initializing variables to be used later
initHistory();
initAlias();
int this_input = 0;
char * input = (char *) malloc(sizeof(char)*64);
strcpy (input, "noexit");
char *shellname = (char *) malloc(sizeof(char)*32);
strcpy (shellname, "myshell");
setShellName(shellname);
printf ("[%s]%% ", shellname);
input = getLine(input, 100);
//Making sure the program does not crash if the input simply the return key
while (strcmp(input,"\0") == 0)
{
printf ("[%s]%% ", shellname);
input = getLine(input, 100);
}
setHistory(input);
breakLine (input);
this_input = whichInput();
char ** argrv = getargrv();
int argrc = getargrc();
int loop = 1;
while (loop != 0)
{
//Loop and process commands until the exist command is entered
if(this_input==4) {
if(strcmp(argrv[argrc-1], "&")==0)
{
//printf("Before forking PID:%d\n", getpid());
int pid = fork();
if(pid==0)
{
//sleep(2); //putting a delay in to emphasize background process
//printf("\nchild PID: %d\n", getpid());
decrargrc();
list();
//printf("\nIn the child process - ended.\n\n");
return 0;
} else
{
//printf("PPID:%d\n", getpid());
//printf("In the parent process.\n");
printf("%s process running in background", argrv[0]);
}
} else
list();
} else if(this_input==3) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
pwd();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
pwd();
} else if(this_input==6) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
prompt();
shellname = getShellName();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
{
prompt();
shellname = getShellName();
}
} else if(this_input==2) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
dirChange();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
dirChange();
} else if(this_input==5) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
mypid();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
mypid();
} else if(this_input==1) {
if (getargrc() == 1)
{
loop = 0;
free (input);
free (shellname);
input = NULL;
shellname = NULL;
freeDynamicMem();
return 0;
} else {
printf("%s: Arguments not valid.", argrv[0]);
}
} else if(this_input==7) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
printHistory();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
printHistory();
} else if(this_input==8) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
printf("\n***I've put a 3 second delay in to emphasize this background process\n");
sleep(3); //putting a delay in to emphasize background proces
decrargrc();
printEnv(envp);
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
printEnv(envp);
}else if(this_input==9) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
alias();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
alias();
}else if(this_input==10) {
if(strcmp(argrv[argrc-1], "&")==0)
{
int pid = fork();
if(pid==0)
{
decrargrc();
murder();
return 0;
} else
printf("%s process running in background", argrv[0]);
} else
murder();
}else {
nocmd(input);
}
printf ("\n[%s]%% ", shellname);
input = getLine(input, 100);
while (strcmp(input,"\0") == 0)
{
printf ("[%s]%% ", shellname);
input = getLine(input, 100);
}
setHistory(input);
breakLine (input);
this_input = whichInput();
argrv = getargrv();
argrc = getargrc();
}
return 0;
}
//---------------------------------------------------------------------
//---------------------------------------------------------------------
//---------------------------------------------------------------------
int
main(int argc, char *argv[])
{
extern char *optarg;
int optInd = 0;
char optChar = 0;
static struct option optLong[] = {
{ "database" , 1 , 0 , 'D' },
{ "path" , 1 , 0 , 'p' },
{ "time" , 1 , 0 , 't' },
{ "expiration" , 1 , 0 , 'x' },
{ "flavor" , 1 , 0 , 'F' },
{ "file" , 1 , 0 , 'f' },
{ "get" , 0 , (int *)&action , GetDB },
{ "read" , 0 , (int *)&action , GetDB },
{ "set" , 0 , (int *)&action , SetDB },
{ "write" , 0 , (int *)&action , SetDB },
{ "tree" , 0 , (int *)&action , PrintTree },
{ "history" , 0 , (int *)&action , PrintHistory },
{ "config" , 0 , (int *)&action , PrintConfig },
{ "comment" , 1 , 0 , 'c' },
{ "verbose" , 0 , &verboseMode , true},
{ "quiet" , 0 , &verboseMode , false},
{ "dataonly" , 0 , &dataOnlyMode , true},
{ "debug" , 0 , &debugMode , true},
{ "help" , 0 , 0 , 'h' },
{ 0, 0, 0, 0}
};
// cout << indexFromString("05TB01" ) << endl;
// cout << indexFromString("P05TB01") << endl;
// cout << indexFromString("05P1" ,kEEmcMaxSect*kEEmcMaxBox) << endl;
// cout << indexFromString("E05TB",kEEmcMaxSect*kEEmcMaxBox) << endl;
// cout << indexFromString("12TB13" ) << endl;
// cout << indexFromString("V12TB13") << endl;
// cout << indexFromString("13TG" ,kEEmcMaxSect*kEEmcMaxBox) << endl;
// cout << indexFromString("A13TG" ,kEEmcMaxSect*kEEmcMaxBox) << endl;
// exit(0);
// arguments and init
argv0 = strrchr(argv[0],'/');
argv0 = ( argv0 == NULL ) ? argv[0] : ++argv0 ;
while((optChar = getopt_long(argc,argv,"D:p:t:x:F:f:c:grswTHCdvqh",optLong,&optInd)) != EOF) {
switch(optChar) {
case 0 : break;
case 'D' : dbName = optarg; break;
case 'p' : dbPath = optarg; break;
case 't' : dbTime = optarg; break;
case 'x' : dbExpTime = optarg; break;
case 'F' : dbFlavor = optarg; break;
case 'f' : dbFile = optarg; break;
case 'r' : // same as g
case 'g' : action = GetDB; break;
case 'w' : // same as s
case 's' : action = SetDB; break;
case 'T' : action = PrintTree; break;
case 'H' : action = PrintHistory; break;
case 'C' : action = PrintConfig; break;
case 'c' : dbComment = optarg; break;
case 'd' : dataOnlyMode= true; break;
case 'v' : verboseMode = true; break;
case 'q' : quietMode = true; break;
case 'h' : usage(); return(0); break;
default : usage("unknown option"); break;
};
}
if(!dbPath && action!=PrintConfig ) usage("database path missing");
//
StDbManager *mgr = StDbManager::Instance();
StDbConfigNode *dbNode = NULL;
StDbTable *dbTab = NULL;
char *node = NULL;
FILE *file = NULL;
mgr->setVerbose(verboseMode);
mgr->setQuiet(quietMode);
// sanity check
if( ! mgr->findDefaultServer() ) {
fprintf(stderr,"cannot find the default DB server\n");
return(-1);
}
if(dbFile) {
file = fopen(dbFile,(action==SetDB) ? "r" : "w");
if(!file) {
fprintf(stderr,"%s: fopen '%s' failed, %s\n",argv0,dbFile,strerror(errno));
return(-1);
}
} else {
file = (action==SetDB) ? stdin : stdout;
}
switch(action) {
case PrintTree:
node = node=strsep(&dbPath,"/");
if(node) {
dbNode = mgr->initConfig(dbName,node);
if(dbNode) {
if(verboseMode || !quietMode)
fprintf (file,"DATABASE TREE:\n");
fprintf (file,"%s/\n",node);
if(printTree(file,dbNode)<=0) {
fprintf (stderr,"config %s is empty\n",node);
}
}
}
return 0;
break;
case PrintConfig:
if(verboseMode || !quietMode)
fprintf(file,"DATABASE VERSIONS:\n");
printConfig(file,mgr);
return 0;
default:
break;
}
// parse database path
char *preNode="";
while( (node=strsep(&dbPath,"/")) != NULL ) {
StDbConfigNode *tn = (dbNode==NULL) ?
mgr->initConfig(dbName,node) : dbNode->findConfigNode(node);
if(!tn) break; // assume the last token is a db table
dbNode = tn;
printf("found database node: %s\n",node);
preNode=node;
}
if(!node) usage("invalid path");
dbTab = dbNode->findTable(node);
if(!dbTab) { fprintf(stderr,"%s: table %s not found\n",argv0,node); return (-1); }
dprintf("found table: %s\n",node);
int nrows=dbTab->GetNRows();
int ndata=0;
EEmcDbIOBase *dbIO = getDbIO(preNode,node,nrows);
if(dbIO==NULL) return(-1);
char keyLine[EEmcDbMaxDbPathLen];
//char keyFile[EEmcDbMaxKeyLength];
char keyBase[EEmcDbMaxKeyLength];
time_t tUnix = getTimeStamp(dbTimeFormat,dbTime);
time_t tExpUnix = (dbExpTime!=NULL) ? getTimeStamp(dbTimeFormat,dbExpTime) : 0;
dbTab->setFlavor(dbFlavor);
switch(action) {
case PrintHistory:
printHistory(file,mgr,dbTab,dbIO);
return 0;
break;
case SetDB:
fgets (keyLine,EEmcDbMaxDbPathLen-1,file);
sprintf(keyBase,EEmcDbKeyFormat,dbNode->printName(),node);
printf("AAA=%s=\n",keyBase);
if(strstr(keyLine,keyBase)==0 && strcmp(keyLine,keyToEverything) ) {
fprintf(stderr,"signature mismatch: data file key '%s', required '%s'\n",
keyLine,keyBase);
return (-1);
}
dbIO->setComment(dbComment);
ndata = dbIO->read(file);
if(ndata<=0) {
fprintf(stderr,"%s: reading file %s failed\n",argv0,dbFile);
return(-1);
}
if(nrows>1) {
dbTab->SetTable(dbIO->getData(),ndata, dbIO->getIndices());
} else {
dbTab->SetTable(dbIO->getData(),ndata);
}
if(tExpUnix>0) {
dbTab->setEndStoreTime(tExpUnix);
fprintf(stderr,"%s: setting end time %ld\n",argv0,tExpUnix);
}
//mgr->setStoreTime(getTimeStamp(dbTimeFormat,dbTime));
mgr->setStoreTime(tUnix);
if(! mgr->storeDbTable(dbTab) ) {
fprintf(stderr,"%s: storing table %s failed\n",argv0,node);
return(-1);
}
break;
case GetDB:
mgr ->setRequestTime(tUnix);
if( ! mgr->fetchDbTable(dbTab) ) {
fprintf(stderr,"%s: problem with fetch for time stamp %ld / %s",argv0,tUnix,ctime(&tUnix));
fprintf(stderr," There is no record for this table over the time period :\n");
fprintf(stderr," BeginDate = %s\t",dbTab->getBeginDateTime());
fprintf(stderr," EndDate = %s\n",dbTab->getEndDateTime());
fprintf(stderr," BeginTimeUnix = %d\t",dbTab->getBeginTime());
fprintf(stderr," EndTimeUnix = %d\n",dbTab->getEndTime());
return(-1);
}
if(! dbTab->GetTable() ) {
fprintf(stderr,"no data found in table %s\n",node);
return(-1);
}
dbIO->setData(dbTab->GetTable());
if(verboseMode || !quietMode)
fprintf(stderr,"BNL Time Stamp Range from: %s to: %s \n",
fmtSqlTime(dbTab->getBeginDateTime()),fmtSqlTime(dbTab->getEndDateTime()));
if(!dataOnlyMode) {
fprintf(file,EEmcDbKeyFormat,dbNode->printName(),node);
fprintf(file,"\n");
}
ndata = dbIO->write(file);
dbComment = dbIO->getComment();
if(verboseMode || !quietMode)
fprintf(stderr,"COMMENT: %s\n",dbComment);
break;
default:
break;
}
if(ndata>0) {
dprintf("database access successful %d\n",ndata);
} else {
fprintf(stderr,"%s: table %s access failed\n",argv0,node);
}
fclose(file);
return 0;
}
int main(int argc, char *argv[]){
char *line;
pipeline pl;
int run;
//flags
int redo = 0;
int skip = 0;
int isResume = 0;
char *promptstr;
char* buffer;
numExits = 0;
jobIndex = 0;
histIndex = 0;
back = 0;
script = 0;
FILE* in;
/* check for the right number of arguments */
//if ( argc > 2 ) {
// printusage(argv[0]);
// exit(-1);
//}
if (argc >= 2)
{
DIR* dirp;
struct dirent *dp;
int isFound = 0;
if ((dirp = opendir(".")) == NULL)
{
perror("couldn't open path");
return 0;
}
//put files into array and sort their names
while ((dp = readdir(dirp)) != NULL)
{
if (strcmp(dp->d_name, argv[1]) == 0)
{
isFound = 1;
}
}
if (isFound == 0)
{
printf("%s: Command not found\n", argv[1]);
}
else
{
in = fopen(argv[1], "r");
buffer = (char*)malloc(sizeof(in));
script = 1;
}
}
//struct termios saved_term_mode;
struct sigaction action;
action.sa_handler = killHandle; /* set tick to be the handler function */
sigemptyset(&action.sa_mask); /* clear out masked functions */
action.sa_flags = 0; /* no special handling */
struct sigaction action2;
action2.sa_handler = susHandle; /* set tick to be the handler function */
sigemptyset(&action2.sa_mask); /* clear out masked functions */
action2.sa_flags = 0; /* no special handling */
/*
* Use the sigaction function to associate the signal action with SIGALRM.
*/
if (sigaction(SIGINT, &action, NULL) < 0 ) {
fprintf(stderr, "SIGINT\n");
exit(-1);
}
if(sigaction(SIGTSTP, &action2, NULL) < 0) {
fprintf(stderr, "SIGTSTP\n");
exit(-1);
}
//saved_term_mode = set_raw_term_mode();
initHistory();
initJobs();
//strcpy(jobs[1], "hey");
/* set prompt */
promptstr = PROMPT;
run = TRUE;
if (script == 0)
prompt(promptstr);
while ( run )
{
/// if reexecute was not called
if (redo == 0)
{
if (script == 0)
{
if ( NULL == (line = readLongString(stdin)) )
{
if ( feof(stdin) )
run = FALSE;
}
}
else
{
fgets(line, sizeof(in), in);
if (line[0] == '%')
{
line++;
isResume = 1;
}
}
}
else
{
//printf("histInd: %d\n", histIndex);
///if reexecute was called,
///find the correct place in the history
///list to extract the reexecuted command
int temp = histIndex;
temp--;
int ind = 0;
while (ind != reNumber)
{
temp--;
ind++;
}
line = history[temp];
printf("%s\n", line);
}
if (line == NULL)
{
if (feof(stdin))
run = FALSE;
}
else
{
if (line[0] == '%')
{
line++;
isResume = 1;
}
/* We got a line, send it off to the pipeline cracker and
* launch it
*/
//if (redo == 0)
//{
pl = crack_pipeline(line);
//}
redo = 0;
/*
* Show that it worked. This is where you're going to do
* something radically different: rather than printing the
* pipeline, you're going to execute it.
*/
if ( pl != NULL && strlen(pl->cline) > 0)
{
/*
if (pl->cline[0] == '%')
{
int i;
isResume = 1;
pl->stage[0].argv[0][0] = ' ';
for (i = 0; i < strlen(pl->cline)-1; i++)
{
pl->stage[0].argv[0][i] = pl->stage[0].argv[0][i+1];
}
pl->stage[0].argv[0][strlen(pl->cline)-1] = '\0';
}
*/
//print_pipeline(stdout,pl); /* print it. */
addHistory(pl->cline);
///add to the history what was typed into the command line
if (strcmp(pl->stage[0].argv[0], "history") == 0)
{
///print the history if possible
if (pl->stage[0].argc > 1)
{
printf("Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
printHistory();
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "jobs") == 0)
{
///print the suspended jobs if possible
if (pl->stage[0].argc > 1)
{
printf("Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
printJobs();
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "exit") == 0)
{
///exit vssh if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits++;
if (skip == 0)
exitCmd();
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "bg") == 0)
{
///background the most recently suspended job if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
bg(jobs[jobIndex-1]);
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "fg") == 0)
{
///foreground the most recently backgrounded job if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
fg(jobs[jobIndex-1]);
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "cd") == 0)
{
///change the directory of vssh if possible
if (pl->stage[0].argc > 2)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
cd(pl->stage[0].argv[1]);
skip = 0;
}
else if (isResume == 1)
{
///foreground the specified job if possible
if (pl->stage[0].argc > 1)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
{
//pl->stage[0].argv[0]++;
int i;
int killFlag = 0;
for (i = 0; i < strlen(pl->stage[0].argv[0]); i++)
{
if (!isdigit(pl->stage[0].argv[0][i]))
{
///if the supplied job number is not a number
///then print error
killFlag = 1;
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[0]);
}
}
if (killFlag == 0)
{
if (atoi(pl->stage[0].argv[0]) <= 0 || atoi(pl->stage[0].argv[0]) > jobIndex)
///if the supplied job number is not a valid job index
///then print error
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[0]);
else
resume(jobs[atoi(pl->stage[0].argv[0])-1]->id, atoi(pl->stage[0].argv[0])-1);
}
}
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "!") == 0)
{
///reexecute the specified history command if possible
if (pl->stage[0].argc > 2 || strlen(pl->stage[0].argv[1]) > 3)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
///if the number supplied is not a valid history index
///then print error
if (pl->stage[0].argv[1][0] == '0' && skip == 0)
{
fprintf(stderr, "%s: Event not found\n", pl->stage[0].argv[1]);
skip = 1;
}
if (strlen(history[atoi(pl->stage[0].argv[1])]) <= 0 && skip == 0)
{
fprintf(stderr, "%s: Event not found\n", pl->stage[0].argv[1]);
skip = 1;
}
int i;
for (i = 0; i < strlen(pl->stage[0].argv[1]); i++)
{
if (!isdigit(pl->stage[0].argv[1][i]) && skip == 0)
{
///if the number supplied is not a number
///then print error
fprintf(stderr, "%s: Event not found\n", pl->stage[0].argv[1]);
skip = 1;
}
}
numExits = 0;
if (skip == 0)
{
redo = 1;
reNumber = atoi(pl->stage[0].argv[1]);
//printf("renum: %d\n", reNumber);
//pl = crack_pipeline(history[atoi(pl->stage[0].argv[1])]);
//printf("%s\n", pl->cline);
//lineno++;
//continue;
}
skip = 0;
}
else if (strcmp(pl->stage[0].argv[0], "kill") == 0)
{
///kill the specified job if possible
if (pl->stage[0].argc > 2)
{
fprintf(stderr, "Junk after built-in command\n");
skip = 1;
}
numExits = 0;
if (skip == 0)
{
int i;
int killFlag = 0;
for (i = 0; i < strlen(pl->stage[0].argv[1]); i++)
{
///if the supplied job number is not a number
///then print error
if (!isdigit(pl->stage[0].argv[1][i]))
{
killFlag = 1;
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[1]);
}
}
if (killFlag == 0)
{
if (atoi(pl->stage[0].argv[1]) <= 0 || atoi(pl->stage[0].argv[1]) > jobIndex)
///if the supplied job number is not a valid job index
///then print error
fprintf(stderr, "%s: No such job.\n", pl->stage[0].argv[1]);
else
killProcess(atoi(pl->stage[0].argv[1])-1, jobs[atoi(pl->stage[0].argv[1])-1]->id);
}
}
skip = 0;
}
else
{
///pipe/redirect as necessary
numExits = 0;
//int i;
//for (i = 0; i < pl->length; i++)
//{
//else
//{
//handle backgrounding "&"
//find the &
int j;
int andFound = 0;
int pipeFound = 0;
for (j = 1; j < strlen(pl->cline); j++)
{
if (pl->cline[j] == '|')
{
//fprintf(stderr, "Pipelines cannot be backgrounded\n");
pipeFound = 1;
}
else if (pl->cline[j] == '&')
{
//error if & is not the last arg, exec nothing
if (pipeFound == 1)
{
fprintf(stderr, "Pipelines cannot be backgrounded\n");
}
else if (j != strlen(pl->cline) - 1)
{
andFound = 1;
fprintf(stderr, "Junk after '&'.\n");
}
else if (pl->cline[j-1] == ' ')
{
andFound = 1;
pl->cline[j] = '\0';
//backExec(pl->stage[0].argv[0], pl->stage[0].argv, pl->cline);
back = 1;
}
}
}
if (pl->length >= 2)
{
///pipe if the pipline has 2 or more stages
pipeCmd(pl);
}
else if (pl->stage[0].outname != NULL && pl->stage[0].inname != NULL)
{
redirectBoth(pl->stage[0].argv, pl->stage[0].inname, pl->stage[0].outname);
}
else if (pl->stage[0].outname != NULL)
{
///otherwise redirect output if there is an outfile
redirectOutput(pl->stage[0].argv, pl->stage[0].outname, pl->cline);
}
else if (pl->stage[0].inname != NULL)
{
///otherwise redirect input if there is an infile
redirectInput(pl->stage[0].argv, pl->stage[0].inname, pl->cline);
}
else if (andFound == 0)
{
//execute if not a built-in command
execute(pl->stage[0].argv[0], pl->stage[0].argv, pl->cline);
}
back = 0;
//}
//}
}
}
free_pipeline(pl);
fflush(stdout); /* also frees line */
lineno++; /* readLongString trims newlines, so increment it manually */
}
if (run )
{
if (script == 0) /* assuming we still want to run */
prompt(promptstr);
}
}
return 0;
}
int main(int argc, char * argv[])
{
//variables
static unsigned long commHistSize = 10;
static const char USAGE_MESS[] = "Usage: mysh [-v] [-h pos_num]";
if(argc > 1) //parse options if any given
{
if(strcmp("-v", argv[1]) == 0) //if verbose option given
verboseMode = 1;
else if(strcmp("-h", argv[1]) == 0) //if history option given
{
if(argc > 2) //convert to long and update if number given
{
long temp = strtol(argv[2], NULL, 10);
if(temp > 0) //if positive num, update command history
commHistSize = temp;
else
{
fprintf(stderr, "%s\n", USAGE_MESS);
return EXIT_INVALID_ARG;
}
}
else //no number given
{
fprintf(stderr, "%s\n", USAGE_MESS);
return EXIT_INVALID_ARG;
}
}
else //if unrecognized argument
{
fprintf(stderr, "%s\n", USAGE_MESS);
return EXIT_INVALID_ARG;
}
}
//initialize all necessary variables
static unsigned long curCommand = 1; //current command index
char *prevCommands[commHistSize]; //command history array
initHistory(prevCommands, commHistSize); //initialize prevCommands array
//variables needed for getting input
char *inputBuf = NULL;
size_t lineLen = 0;
int progRet = EXIT_SUCCESS;
int ret = -1;
printf("mysh[%lu]> ", curCommand); //print prompt
//get line, process while we have actually read bytes
while((ret = getline(&inputBuf, &lineLen, stdin)) > 0)
{
if(ret == 1) //if only a new line given, prompt and start again
{
printf("mysh[%lu]> ", curCommand);
continue;
}
//handle if ! was given, get given command history index
if(inputBuf[0] == '!')
{
//get the num after the !
unsigned long tempNum = 0;
ret = sscanf(inputBuf, "!%lu", &tempNum);
char *tempBuf = NULL;
if(ret > 0) //if no number found there was an error. keep it NULL
tempBuf = getCommand(prevCommands, commHistSize, curCommand,
tempNum);
if(!tempBuf) //if null, there was an error
{
fprintf(stderr, "Invalid command index number given.\n");
printf("mysh[%lu]> ", curCommand);
continue;
}
else //if not null, realloc and copy string to inputBuf
{
char *temp = (char*)realloc(inputBuf, strlen(tempBuf) + 1);
if(temp)
{
inputBuf = temp;
strcpy(inputBuf, tempBuf);
}
}
}
else //remove trailing newline if no ! given
inputBuf[ret - 1] = '\0';
if(verboseMode)
printf("\tCommand: %s\n\n", inputBuf);
if(!strncmp(inputBuf, "quit", 4))
break;
//add command to command history
ret = addCommand(prevCommands, commHistSize, inputBuf, curCommand);
if(ret) //if nonzero, something failed
{
perror("mysh");
ret = 1;
progRet = EXIT_FAILURE;
break;
}
//tokenize input and get it in args
char **args = NULL;
int argSize = split(inputBuf, &args);
//we don't need inputBuf any more so free it
free(inputBuf);
inputBuf = NULL;
if(argSize < 0) //if error found parsing args.
{
perror("mysh");
ret = 1;
progRet = EXIT_FAILURE;
break;
}
//process commands and do what they ask
if(!strcmp(args[0], "history")) //if they gave history command
printHistory(prevCommands, commHistSize, curCommand);
else if(!strcmp(args[0], "verbose")) //turn verbose on/off
{
if(argSize > 2)
verbose(args[1]);
else
verbose("");
}
else if(!strcmp(args[0], "help")) //print help for mysh
help(USAGE_MESS);
else if(!strcmp(args[0], "echo")) //echo their given args
echo(args, argSize - 1, 1);
else //external command, fork dat
{
int runRet = 0;
//fork/exec command, if -2, child failed so end gracefully
if((runRet = run(args)) == -2)
{
destroyArgs(args, argSize);
ret = 1;
progRet = runRet;
break;
}
if(runRet || verboseMode)
printf("Command status: %d\n", runRet);
}
//free some memory and print prompt before starting again
destroyArgs(args, argSize);
printf("mysh[%lu]> ", ++curCommand);
}
//memory management
destroyHistory(prevCommands, commHistSize);
free(inputBuf);
//if CTRL-D pressed/EOF, print newline for formatting
if(ret < 1)
putchar('\n');
return progRet;
}
int main(void)
{
int should_run = 1;
int argsIndex = 0;
numCommands = 0;
char *args[MAX_LINE/2 + 1];
char line[MAX_LINE];
char lineCopy[MAX_LINE];
char *lastChar;
while (should_run) {
*lastChar = ' ';
argsIndex = 0;
fflush(stdout);
printf("osh>");
fflush(stdout);
//string reading code
gets(line);
//get params from line
parseLine(line,lineCopy,args,lastChar);
//command execution code
if(args[0]) {
//repeat last command
if(strcmp("!!",args[0]) == 0) {
if(numCommands == 0) {
printf("No commands in history \n");
fflush(stdout);
}else {
strcpy(line,history[9]);
parseLine(line,lineCopy,args,lastChar);
fflush(stdout);
executeCommand(args[0],args,*lastChar);
fflush(stdout);
addToHistory(lineCopy);
}
//execute given command
} else if(args[0][1] && args[0][0] == '!') {
args[0]++;
int command = atoi(args[0]);
int commandIndex = command - numCommands + 9;
if(commandIndex > 9 || commandIndex < 0){
printf("No such command in history \n");
fflush(stdout);
}else{
strcpy(line,history[commandIndex]);
parseLine(line,lineCopy,args,lastChar);
fflush(stdout);
executeCommand(args[0],args,*lastChar);
fflush(stdout);
addToHistory(lineCopy);
}
//exit command
} else if(strcmp("exit",args[0]) == 0){
should_run = 0;
//print history command
} else if(strcmp("history",args[0]) == 0) {
fflush(stdout);
printHistory();
fflush(stdout);
//exec command
} else {
fflush(stdout);
executeCommand(args[0],args,*lastChar);
fflush(stdout);
addToHistory(lineCopy);
}
}
}
}
int main(int argc, char *argv[])
{
char *line;
char *prompt = "myshell>";
char *envPrompt = "DASH_PROMPT";
char *args[2048];
char *str;
char *multiCmd[2048];
int i=0;
int flag;
int jobid;
int code;
int fd1,fd2;
tcpid = getpgrp();
ObjectPtr myObj;
NodePtr node;
lst = createList(getKey,toString,freeObject); // Creating a List
prompt = getenv(envPrompt);
if(prompt == NULL)
prompt = "myshell>";
using_history();
if(signal(SIGINT,signalHandling) == SIG_ERR){}
if(signal(SIGTSTP,signalHandling) == SIG_ERR){}
if(signal(SIGTTOU,SIG_IGN)==SIG_ERR){}
if(signal(SIGCHLD,SIG_DFL)==SIG_ERR){}
if((argc == 2) && (strcmp(argv[1],"-v")==0))
{
printf("%s\n",svn_version());
exit(0);
}
code = sigsetjmp(env,TRUE);
while ((line=readline(prompt))) // Reading Input
{
if(line==NULL)
{
printf("\n read line failed \n");
continue;
}
add_history(line);
str = (char *)mymalloc(sizeof(char)*(strlen(line)+1));
strcpy(str,line);
if(str[0] == '&' || str[0] == ';')
{
printf("dash: syntax error near unexpected token %c \n",str[0]);
freeVar(line,str,args);
continue;
}
while((pid = waitpid(-1,NULL,WNOHANG)) > 0)
{
node = search(lst,pid);
((ObjectPtr)(node->obj))->jobStatus = 0;
printf("%s\n",(*toString)(node->obj));
removeNode(lst,node);
}
if(checkMultiCmd(str, multiCmd)== -1)
continue;
while(multiCmd[i])
{
flag = searchAmp(multiCmd[i]); // Function to check if there is an '&' in the Command
struct IORedirect *ior = tokenize(multiCmd[i],args);
if((int)ior == -1)
break; // Parsing the Command that needs to be executed
if(exitLogout(multiCmd[i])) // Function to check Exit and Logout Commands
{
if(checkStoppedJobs())
{
//memset(multiCmd,0,sizeof(multiCmd));
break;
}
else
{
freeVar(line,str,args);
freeList(lst);
memset(multiCmd,'\0',sizeof(multiCmd));
myfree(ior);
exit(0);
}
}
if(checkEOF(multiCmd[i])) // Function to check EOF
{
freeVar(line,str,args);
memset(multiCmd,'\0',sizeof(multiCmd));
freeList(lst);
myfree(ior);
exit(0);
}
if(checkEmptyCmd(multiCmd[i])) // Function to Check if Enter Key is pressed
break;
if((strcmp(args[0],"cd")==0) && (flag == FALSE)) // Function to check if 'cd' command is used
{
chgDir(args);
break;
}
if((strcmp(args[0],"jobs")==0) && (flag == FALSE)) // Function to check if 'jobs' command is used
{
jobsCmd();
break;
}
if(strcmp(args[0],"history")==0)
{
printHistory(args, str, flag);
break;
}
if((strcmp(args[0],"bg") == 0) && (flag == FALSE))
{
bgCmd(args);
break;
}
if((strcmp(args[0],"fg")==0) && (flag == FALSE))
{
fgCmd(args);
break;
}
if(ampCount(multiCmd[i]))
{
printf(" dash: syntax error near unexpected token '&' \n");
break;
}
if ( (pid = fork()) < 0) // Forking a Process
err_sys("fork error");
else if (pid == 0)
{
struct stat buf;
/* child */
if(flag == TRUE)
{
if(setpgid(0,0)!=0)
perror("setpid() error");
if(tcsetpgrp(0,tcpid)!=0)
perror("tcsetpgrp() error");
}
if(ior->input != NULL)
{
if((fd1 = stat(ior->input,&buf))==-1){
printf("dash: %s file does not exist\n",ior->input);
break;
}
if((fd1= access(ior->input,R_OK))==-1){
printf("dash: %s permission denied\n",ior->input);
break;
}
if((fd1 = open(ior->input,O_RDONLY))==-1){
printf("dash: %s inpRedirect opening failed\n",ior->input);
break;
}
else {
close(0);
dup(fd1);
}
}
if(ior->output != NULL)
{
/*if((fd1= access(ior->output,W_OK))==-1){
printf("dash: %s permission denied",ior->output);
break;}*/
if((fd2=open(ior->output,O_WRONLY|O_TRUNC|O_CREAT,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH ))==-1){
printf("dash: %s outRedirect opening failed\n",ior->output);
break;}
else{
close(1);
dup(fd2);
}
}
if (setpgid(0,0) != 0)
perror("setpgid() error");
if (tcsetpgrp(0, getpid()) != 0)
perror("tcsetpgrp() error");
execvp(args[0],args);
err_ret("couldn't execute: %s", line);
exit(127);
}
if(flag == TRUE && (*args[0] !='\0'))
{
jobid = assignJobId();
myObj = createObject(pid,multiCmd[i],jobid,1);
node = createNode(myObj);
addAtRear(lst,node);
printf("[%d] %d %s &\n",((ObjectPtr)(node->obj))->jobId, ((ObjectPtr)(node->obj))->key, ((ObjectPtr)(node->obj))->data);
if ( (pid = waitpid(pid, &status, WNOHANG)) < 0)
err_sys("waitpid error");
if((tcsetpgrp(0,tcpid))!=0)
perror("tcsetgroup error");
}
else
{
if ( (pid = waitpid(pid, &status, 0|WUNTRACED)) < 0)
err_sys("waitpid error");
if((tcsetpgrp(0,tcpid))!=0)
perror("tcsetgroup error");
if(WIFSTOPPED(status))
{
jobid = assignJobId();
myObj = createObject(pid,line,jobid,2);
node = createNode(myObj);
addAtRear(lst,node);
printf("%s\n",(*toString)(node->obj));
}
}
i++;
}
freeVar(line,str,args);
memset(multiCmd,'\0',sizeof(multiCmd));
i=0;
}
freeList(lst);
exit(0);
}
void runInternal(int m){
int result;
char *promptBuff;
promptBuff = NULL;
switch(m){
case 0:
strcpy(home, getenv("HOME"));
int i = chdir(home);
if(i<0) printf("Couldn't restore\n");
else{
printf("directory changed\n");
printf("HOME: %s\n", home);
}
exit(0);
case 1:
/*if(par[1] != NULL){
printf("%s is an Unknown command 2\n", *par);
}
else{*/
printf("PATH = %s\n", getenv("PATH"));
/*}*/
break;
case 2:
if(par[1] == NULL){
printf("%s is an Unknown command 3\n", *par);
}
else{
int newPath = setenv(par[1], par[1], 0);
printf("%d", newPath);
/*const char* path = getenv("PATH");
printf("PATH :%s\n",(path!=NULL)? path : "getenv returned NULL");*/
}
break;
case 3:
result= 0;
if(par[1] == NULL){
chdir("..");
}
else{
result = chdir(par[1]);
if(result == 0){
printf("\nDirectory changed to %s\n", par[1]);
}
else{
switch(errno){
case EACCES: perror("Permission denied");
break;
case EIO: perror("");
break;
case ENAMETOOLONG: perror("");
break;
case ENOTDIR: perror("");
break;
case ENOENT: perror("");
break;
}
}
}
break;
case 4:
printHistory();
break;
case 5: if(par[1] == NULL || par[2] == NULL) {
printAliases();
} else {
addAlias();
}
}
}
/**
* ADC_sample_on_USER_with_History:
* Samples the potentiometer when the USER input button
* is pressed. Waits until the user input button is pressed
* before sampling. Prints out history after sampling.
*/
void ADC_sample_on_USER_with_History(void){
//Wait for USER press
USER_debounce();
addToHistory( ADC_read() );
printHistory();
}
int main(void)
{
system("clear");
char in_buffer[MAX_LINE]; /* to store the input commands*/
int background; /*is set if '&' is given at end of command */
char *args[MAX_LINE/+1];/* to have 40 arguments */
char checkCommand[10]; /* To track the input like !! and !N*/
pid_t pid;
int i;
int shouldrun = 1;
while (shouldrun) //while runs always, unless user enter exit
{
background = 0;
printf(" COMMAND->\n");
setupCommand(in_buffer,args,&background); /* To get next command */
if(strcmp(args[0],"exit")==0) //if user enters exit, it exits out
{
printf("exiting\n");
shouldrun=0;
exit(0);
}
int k,j,status_flag;
k = 0;
j=0;
int histCounter =0; /* This is loop counter to traverse through history array*/
int lengthArgs = strlen(args[0]);
status_flag=0; /* This is to track whether command entered will be executed or not by execvp*/
int no_commands=0;
int hist_flag = 0; /* This flag is to test whether !! or !N has been given as input or not*/
int maxIndex = count;
int minIndex =0;
if(count>9)
minIndex = count - 9;
char* histHold[20];
strcpy(checkCommand,args[0]);
int position_value = 0; /* This will hold what position will fetched from history */
if(lengthArgs<=2)
position_value = (int)checkCommand[1] - '0'; /* Convert the character digit to numeric value*/
/**
*This else loop will work in this way: if !10 is given then position to be fetched from is 10
* It will extract the value given after '!' and will store in variable position_value
*/
else
{
int power = lengthArgs -2;
int value = 0;
int loop=0;
int hold;
/**
* This for loop takes value N from !N
* It then parse each digit from N and forms the numeric value
* If input is given as !10 then it will take out 12
* It will parse each digit (1 and 0)
* It will form the numeric value as 1*(10 power of 1) + 2 * (10 power of 0)
*/
for(loop=1;loop<lengthArgs;loop++)
{
hold = (int)checkCommand[loop] -'0';
value = value + hold * pow(10,power);
power--;
}
position_value = value;
}
/* This block will fetch the command from history only when the input pattern will be like !! or !N*/
if(checkCommand[0] == '!' )
{
if((checkCommand[1] == '!' && count>0) ||
(position_value >= minIndex
&& position_value <= maxIndex))
{
int position = 0; /* This is initialized to 0 to get the latest command from history*/
/*Check for the pattern !N*/
if(checkCommand[1]!='!')
{
position = maxIndex - position_value;
}
memset(&hist_array[0], 0, sizeof(hist_array)); /* Array initialization*/
/**
* This while loop will take each character (except null and enter) from history array
* It will put the character in a temporary 1D array
*/
while (history[position][j] != '\n' && history[position][j] != '\0')
{
hist_array[k] = history[position][j];
j++;
k++;
}
/**
*This is to make an entry in the history array
* with the command corresponding to the position !!
* or !N
*/
for (histCounter = 9;histCounter>0; histCounter--)
strcpy(history[histCounter], history[histCounter-1]);
strcpy(history[0],hist_array);
count++;
printf("Command fetched : %s\n",hist_array);
/**
* This block will get the command from the history for the given position.
* Commands are spliited by space if it contains more than one word
* It will store the command in a pointer of character array
* The pointer character array is passed to execvp to execute
*/
int hist_array_length = strlen(hist_array); /* Get the length of the command fetched from history*/
int arrayCounter = 0;
char holdCharacter; /* This will hold the each character of the command while parsing the command*/
int histHoldCounter = 0;
int blankPossible = 0; /* This is handle multiple blanks between words in a command*/
histHold[histHoldCounter] = (char*) calloc(1, sizeof(char)); /* Dynamic Initialization*/
/**
* This for loop will parse the temporary 1D array
* characters are concatenated and put in the current index of array of character pointers
* If the character is space then next index of pointer array is initialized
*/
for(arrayCounter =0 ;arrayCounter<hist_array_length;arrayCounter++)
{
holdCharacter = hist_array[arrayCounter];
if(holdCharacter != ' ')
{
histHold[histHoldCounter] = strcat(histHold[histHoldCounter],&holdCharacter);
blankPossible = 1;
}
if(holdCharacter == ' ')
{
/*handle multiple blank*/
if(blankPossible == 1 )
{
histHoldCounter++;
histHold[histHoldCounter] = (char*) calloc(1, sizeof(char));
blankPossible = 0;
}
}
}
/* Set the immediate next index as zero after populating it with the parsed command words*/
histHold[histHoldCounter + 1 ] = NULL;
status_flag = 1;
hist_flag = 1;
/* Block ends here */
}
else
{
if(count == 0)
printf("No commands in history\n");
else
{
printf("No such command in histoy\n");
no_commands = 1; //flag used to stop creating processes if there are no such commands to execute
}
status_flag = 1; //flag used to stop executing execvp if there are no commands to execute
}
}
/* This block is to print the history of commands when user give input command as 'history'*/
if(strcmp("history",args[0])==0)
{
if(count>0)
{
printHistory();
status_flag = 1;
}else
{
printf("No commands in history\n");
status_flag = 1;
}
}
if((strcmp("history",args[0])!=0) && (no_commands == 0)) //conditions to check when to create processes
pid = fork();
int pid_child = 0;
if (pid < 0)
{
printf("Fork failed.\n");
exit (1);
}
/*the child process will invoke execvp()*/
else if (pid == 0)
{
pid_child = getpid(); //getting the pid of child process
if(hist_flag == 1)
{
status_flag = 1;
execvp (histHold[0], histHold); //executing of command fetched from history
}
if(status_flag == 0)
{
if (execvp (args[0], args) == -1) //checking whether command has executed properly or not. If it cannot execute, displaying error executing command
{
printf("Error executing command\n");
kill(pid_child,SIGKILL);//if command gives an error, the child process has to be killed explicitly. If not, program won't exit when exit command is given.
}
}
}
/**
*if background == 0, the parent will wait,
* else returns to the setupCommand() function.
*/
else
{
if (background == 0)
waitpid(pid,NULL,0);
}
}
}
void runInternal(int m){
int result;
char *promptBuff;
promptBuff = NULL;
switch(m){
case 0:
strcpy(home, getenv("HOME"));
int i = chdir(home);
if(i<0) printf("Couldn't restore\n");
else{
printf("directory changed\n");
printf("HOME: %s\n", home);
}
exit(0);
case 1:
/*if(par[1] != NULL){
printf("%s is an Unknown command 2\n", *par);
}
else{*/
printf("PATH = %s\n", getenv("PATH"));
/*}*/
break;
case 2:
if(par[1] == NULL){
printf("%s is an Unknown command 3\n", *par);
}
else{
int newPath = setenv(par[1], par[1], 0);
printf("%d", newPath);
/*const char* path = getenv("PATH");
printf("PATH :%s\n",(path!=NULL)? path : "getenv returned NULL");*/
}
break;
case 3:
result= 0;
if(par[1] == NULL){
chdir(home);
}
else{
result = chdir(par[1]);
if (getcwd(promptBuff, sizeof(par[1])) == NULL);
else{
printf("FAILED\n");
}
if(result == 0){
printf("\nDirectory changed to %s\n", par[1]);
}
else{
switch(result){
case EACCES: perror("Permission denied");
break;
case EIO: perror("An input output error occured");
break;
case ENAMETOOLONG: perror("Path is too long");
break;
case ENOTDIR: perror("A component of path not a directory");
break;
case ENOENT: perror("No such file or directory"); printf("enoent\n");
default: printf("Couldn't change directory to %s", par[1] );
}
}
}
break;
case 4:
printHistory();
}
}
/** parse: parse user input and call the appropriate commands
* @param input - user input (beginning with "cd ")
* @return ERROR_CODE if anything throws an error
*/
int parse(char * input) {
// helpers
char util[SIZE];
int savedSTDOUT = -1;
// grab command
strcpy(util, input);
char * ptr = strtok(util, "> ");
char * cmd = ptr;
/* builtin: '!!' and '!n' */
// '!!' run last command
if (strcmp(bangbang, cmd) == 0) {
// no commands yet
if (historyCount == 0) {
return throwError();
}
strcpy(input, historyArr[historyCount-1]);
// reset command
strcpy(util, input);
ptr = strtok(util, "> ");
cmd = ptr;
}
// '!n' run nth command in history
else if (strncmp(bang, cmd, 1) == 0) {
// no commands yet
if (historyCount == 0) {
return throwError();
}
int len = strlen(cmd);
// if we get more than just '!'
if (len != 1) {
int ind = 1;
long n = atoi(&cmd[ind]); // # of the entry requested
// if the entry # is valid and within the last 10
if (n < historyCount && n > historyCount-10) {
strcpy(input, historyArr[n]);
// reset command
strcpy(util, input);
ptr = strtok(util, "> ");
cmd = ptr;
}
// the entry # is not valid
else { return throwError(); }
}
// we only got a '!'
else { return throwError(); }
}
// add last command to history
addToHistory(input);
/* checking for redirection */
int arrCount = countChar(input, '>');
// if there's a redirection
if (arrCount > 0) {
char * out = NULL;
int args = 0;
// while there are args
while (ptr != NULL) {
// more than one '>'
if (arrCount > 1) { return throwError(); }
// first argument
else if (args == 0) {}
// second argument
else if (args == 1) { out = ptr; }
// more than two args
else { return throwError(); }
// increment
ptr = strtok(NULL, "> ");
args++;
}
// check that we have 2 args and that the '>' comes after the two args
if (args != 2 || strlen(out) + strlen(cmd) < findFirst(input, '>')) {
return throwError();
}
// set redirect for outfile
int outfile = open(out, O_RDWR|O_TRUNC|O_CREAT, S_IRUSR|S_IWUSR|S_IXUSR);
savedSTDOUT = dup(STDOUT_FILENO);
dup2(outfile, STDOUT_FILENO);
close(outfile);
}
// recopy util
strcpy(util, input);
cmd = strtok(util, "> ");
/* remaining builtins */
// cd
if (strcmp(cd, cmd) == 0) {
changeDirectory(input);
}
// print working directory pwd
else if (strcmp(pwd, cmd) == 0) {
memset(&util[0], 0, sizeof(util));
getcwd(util, SIZE);
strcat(util, "\n");
write(STDOUT_FILENO, (void*) util, sizeof(util));
}
// history
else if (strcmp(history, cmd) == 0) {
printHistory();
}
// wait
else if (strcmp(_wait, cmd) == 0) {
wait(0);
}
// exit
else if (strcmp(ciao, cmd) == 0) {
clearStack();
clearCopyStack();
return FORCE_EXIT;
}
// reset bools
if (savedSTDOUT != -1) {
dup2(savedSTDOUT, STDOUT_FILENO);
savedSTDOUT = -1;
}
return SUCCESS;
}
/**
* Hauptmethode
*/
int main(int argc, char *argv[]) {
hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
char o;
char boardMode = 0; // 0/1
char fullScreen = 1;
char from[] = "??";
char to[] = "??";
char filename[255];
char moves[28 * 16 * 2]; // keine Initialiserung!
short movesCounter = 0;
short board[120];
int eval;
int okay;
int i;
struct GameState gameState;
struct GameState gameStateCopy;
createStartBoard(board);
setGameState(&gameState, board, 0, 3, 4);
srand((unsigned int) time(NULL)); // Zufallsgenerator initialisieren
if (fullScreen) system("cls");
do {
printf("\nSpieler: %i, Halbzug: %i\n", gameState.turnNumber % 2, gameState.turnNumber);
printBoard(gameState.board, 0, boardMode);
COLOR(128);
printf("\n> Kommando:");
COLOR(COLOR_DEFAULT);
printf(" ");
scanf("%c", &o); // Auf Char scannen
fflush(stdin);
if (fullScreen && o != 'm') system("cls");
switch (o) {
case 'x':
// "magic" move - alles ist moeglich. Auch, Fehler zu produzieren.
case 'm':
printf("Zug von: ");
scanf("%s", from);
fflush(stdin);
printf("Zug nach: ");
scanf("%s", to);
fflush(stdin);
if (strlen(from) != 2 || strlen(to) != 2) {
printError("Ungueltige Koordinaten!\n");
} else {
autoSave(&gameState);
if (o == 'x') {
doMovePartial(&gameState, convertCoordToIndex(from), convertCoordToIndex(to));
doMoveFinal(&gameState, convertCoordToIndex(from), convertCoordToIndex(to));
} else {
if (doUserMove(&gameState, convertCoordToIndex(from), convertCoordToIndex(to))) system("cls");
}
}
break;
case 'n':
gameState.turnNumber--;
printInfo("Zug zurueck.\n");
break;
case 'a':
do {
autoSave(&gameState);
okay = aiMove(&gameState, 0);
} while (autoMode && okay && ((gameState.turnNumber % 2 == 0 && gameState.ai0) || (gameState.turnNumber % 2 == 1 && gameState.ai1)));
break;
case 'c':
printInfo("Schach: %i\n", isCheck(&gameState));
break;
case 'h':
printHistory();
break;
case 'g':
generateMoves(&gameState, moves, &movesCounter);
printInfo("%i moegliche Zuege (ohne Beruecksichtigung von Schach).\n", movesCounter / 2);
for (i = 0; i < movesCounter; i += 2) {
printf("Zug mit %i von %i nach %i.\n", gameState.board[moves[i]], moves[i], moves[i + 1]);
}
break;
case 'v':
eval = evaluateBoard(gameState.board);
printInfo("Evaluation (aus Sicht von weiss): %i\n", eval);
break;
case 't':
copyGameState(&gameState, &gameStateCopy);
okay = aiMove(&gameStateCopy, 3);
break;
case 'o':
okay = loadOpeningBookMove(&gameState, from, to);
if (okay) {
printInfo("Zugvorschlag aus dem Eroeffnungsbuch: mit %c von %s nach %s", getPieceSymbolAsChar(gameState.board[convertCoordToIndex(from)]), from, to);
} else {
printInfo("Das Eroeffnungsbuch enthaelt keinen passenden Zug!");
}
break;
case 's':
saveGame(&gameState, "quicksave", 1);
break;
case 'r':
loadGame(&gameState, "quicksave");
break;
case 'l':
system("dir savegames\\*.sav /B");
printf("\nLade Datei (Endung nicht angeben):\n");
scanf("%s", filename);
fflush(stdin);
loadGame(&gameState, filename);
break;
case 'u':
loadAutoSave(&gameState);
break;
case 'b':
boardMode = (1 - boardMode);
printInfo("Brettdarstellung gewechselt auf: %i\n", boardMode);
break;
case 'd':
debugMode = (1 - debugMode);
printInfo("Debugmodus gewechselt auf: %i\n", debugMode);
break;
case '?':
printf("m (move)\tEinen Zug durchfuehren.\n");
printf("n (next)\tDen Spieler wechseln (ohne Zug, regelwidrig!)\n");
printf("a (ai)\t\tKI einen Zug durchfuehren lassen.\n");
printf("h (history)\tDen Spielverlauf anzeigen.\n");
printf("c (check)\tStellung auf Schach pruefen.\n");
printf("g (generate)\tMoegliche Zuege anzeigen lassen.\n");
printf("v (value)\tBewertung der Stellung anzeigen lassen.\n");
printf("t (tip)\t\tDie KI einen Zug-Tip anzeigen lassen.\n");
printf("s (save)\tQuicksave-Spielstand anlegen.\n");
printf("r (reload)\tQuicksave-Spielstand laden.\n");
printf("l (load)\tSpielstand laden (Dateiname angeben).\n");
printf("u (undo)\tLetzten Zug zuruecknehmen.\n");
printf("b (board)\tBrettdarstellung wechseln (fuer Debuggging).\n");
printf("d (open)\tDebugausgaben aktivieren/deaktivieren.\n");
printf("? (help)\tDiese Hilfe zu den Kommandos anzeigen lassen.\n");
printf("e (exit)\tDas Programm beenden.\n");
break;
case 'e':
// do nothing
break;
case '\n':
// do nothing
break;
default:
printError("Unbekannter Operator: %c\n", o);
break;
}
fflush(stdin);
} while (o != 'e');
return 0;
}
