int main( int argc, char *argv[] ) {
char *str,*p;
unsigned int secs = 30;
unsigned int timer;
int block = 100;
if( argc == 2 ) {
if (strcmp("-h", argv[1]) == 0){
help_function(argv[0]);
return 0;
}else{
block = strtol(argv[1], &p, 10);
}
}
printf("PID = %d\n",getpid());
for(int i = 0 ; i < block; i++){
str = (char *) malloc(1024);
}
strcpy(str, "simple_test");
printf("Reserving %d Kb of memory\n", block);
printf("Value of String = %s\n", str);
printf("Address = %u\n", str);
timer = time(0) + secs;
printf("Waiting for %d seconds\n", secs);
while (time(0) < timer);
free(str);
return(0);
}
int main(int argc, char *argv[]) {
// Define local variables in the main
char c;
char *str;
int on;
int off;
int num;
if (argc >= 2) {
if ( strcmp(argv[1], "--help") == 0
|| strcmp(argv[1], "-h") == 0 ) help_function(argc, argv);
else if ( strcmp(argv[1], "--morse") == 0
|| strcmp(argv[1], "-m") == 0) {
printf("What character would you morse (0 to exit): ");
scanf("%c", &c);
if (c == '0') return 0;
blinkMorseChar(c);
return 0;
}
else if ( strcmp(argv[1], "--morsestring") == 0
|| strcmp(argv[1], "-ms") == 0) {
printf("What string would you morse (0 to exit): ");
fgets(str, 1024, stdin);
printf("%s", str);
if (c == '0') return 0;
blinkMorseString(str);
}
else if ( strcmp(argv[1], "--blink") == 0
|| strcmp(argv[1], "-b") == 0) {
printf("Light on: ");
scanf("%d", &on);
printf("Light off: ");
scanf("%d", &off);
printf("How often the light is on: ");
scanf("%d", &num);
blinkLight(on, off, num);
}
} else {
help_function(argc, argv);
return 0;
}
return -1;
}
int main (int argc, char **argv)
{
int client_accept,number,server_socket;
pid_t pid;
socklen_t size_clientr;
char buffer[MAX];
char *temp1,*temp2;
int port;
FILE *input;
char port_number[MAX];
int data;
time_t currentTime;
struct sockaddr_in clientr,serverr;
if (argc != 2){
usage();
exit(1);
}
/*SİGNAL*/
signal(SIGPIPE, SIG_IGN);
signal(SIGINT, handle);
server_socket = socket(AF_INET , SOCK_STREAM ,0);
if (server_socket == -1)
{
perror("Could not create socket!!!");
}
serverr.sin_family = AF_INET;
serverr.sin_addr.s_addr = htonl(INADDR_ANY);
if(atoi(argv[1]) <= 1024){
perror("Port number must be greater than 1024");
exit(2);
}
serverr.sin_port = htons(atoi(argv[1]));
if( bind(server_socket,(struct sockaddr *)&serverr , sizeof(serverr)) < 0)
{
perror("Bind Error!!!");
return 1;
}
listen (server_socket, MAX_CLIENT);
printf("waiting for connections...\n");
while(1){
currentTime = time( NULL );
fputs (ctime (¤tTime), stdout);
size_clientr = sizeof(clientr);
client_accept = accept(server_socket, (struct sockaddr *)&clientr, (socklen_t*)&size_clientr);
if (client_accept < 0)
{
perror("Client accept failed!!!");
return 1;
}
printf("Connection accepted...\n");
/*
*Child created for client requests
*/
if ((pid = fork ()) == 0 ){
close (server_socket);
port = 1024;
while ((number = recv(client_accept, buffer, MAX,0)) > 0) {
temp1 = buffer;
temp2 = strtok(temp1," ");
if(strcmp("help\n",buffer)==0){
help_function();
}if(strcmp("listServer\n",buffer)==0){
listServer_function(port, argv[1],client_accept);
}if(strcmp("lsClients\n",buffer)==0){
}
}
}
}
//close(client_accept);
}
