int main (void)
{
/* initialize suit array */
const char *suit[SUITS] = {"Hearts", "Diamonds", "Clubs", "Spades"};
/* initialize face array */
const char *face[NUM_FACES] = {"Deuce", "Three", "Four", "Five", "Six", "Seven", "Eight",
"Nine", "Ten", "Jack", "Queen", "King", "Ace"};
/* initalize deck array */
int deck[SUITS][NUM_FACES] = {0};
/* initialize winning card arrays */
int winningCards[13] = {0}, winningCardsComp[13] = {0};
// Initialize suit and face arrays to store current hand info
int numSuits[SUITS] = {0};
int numFaces[NUM_FACES] = {0};
int numSuitsComp[SUITS] = {0};
int numFacesComp[NUM_FACES] = {0};
int keepCards[HAND_SIZE] = {0};
int winner = -1, wins = 0, losses = 0, choice = 0;
// initialize 2 hands
Card hand1[HAND_SIZE] = {{0, 0, 0}};
Card hand2[HAND_SIZE] = {{0, 0, 0}};
srand ((unsigned) time (NULL)); /* seed random-number generator */
while(choice != 3){
displayMenu();
choice = getMenuChoice();
if(choice == 1){
system("cls");
winner = -1;
// Shuffle deck
resetDeck(deck);
shuffle (deck);
resetKeepCards(keepCards);
// Deal player hand
deal (deck, hand1, 1, keepCards);
// Deal computer hand
deal(deck, hand2, 0, keepCards);
resetCardArrays(numSuits, numFaces);
resetCardArrays(numSuitsComp, numFacesComp);
setCardArrays(numSuitsComp, numFacesComp, hand2);
// Print player and computer hands
printf("Your hand:\n");
printf("-------------------------\n");
printHand(hand1, face, suit);
/* **For testing**
printf("\nComputer's hand:\n");
printf("-------------------------\n");
printHand(hand2, face, suit);*/
printSecretHand();
// Get cards player would like to keep
getKeepCards(keepCards);
// Deal replacement cards to player
deal(deck, hand1, 0, keepCards);
// Determine which cards computer will keep
resetKeepCards(keepCards);
determineCompKeepCards(keepCards, numSuitsComp, numFacesComp, hand2);
// Deal replacement cards to computer
deal(deck, hand2, 0, keepCards);
// Print new hands
system("cls");
printf("Your hand:\n");
printf("-------------------------\n");
printHand(hand1, face, suit);
printf("\nComputer's hand:\n");
printf("-------------------------\n");
printHand(hand2, face, suit);
// Determine winner
resetCardArrays(numSuits, numFaces);
resetCardArrays(numSuitsComp, numFacesComp);
setCardArrays(numSuitsComp, numFacesComp, hand2);
setCardArrays(numSuits, numFaces, hand1);
setDetermineWinnerArray(numSuits, numFaces, winningCards);
setDetermineWinnerArray(numSuitsComp, numFacesComp, winningCardsComp);
winner = determineWinner(winningCards, winningCardsComp);
// Display winner
if(winner == 1){
printf("\nYou win!\n");
wins++;
}
else if(winner == 0){
printf("\nComputer wins\n");
losses++;
}
system("pause");
}
if(choice == 2){
displayWinsLosses(wins, losses);
}
}
return 0;
}
int menu(userlist *users){
system("clear"); // Clears the terminal (aesthetics!)
printf("Welcome.\n");
char * username = malloc(sizeof(char)*100);
char * password = malloc(sizeof(char)*100);
char * usertype = malloc(sizeof(char)*100);
unsigned char c;
do {
c = getMenuChoice();
switch (c) {
case 48:
break;
case '1':
// Code to add a user using the menu.
#ifdef DEBUG
printf("Add.\n");
#endif
fflush(stdin);
username = getUsername();
password = getPassword();
usertype = getUsertype();
add(users, username, password, usertype);
getc(stdin); // Junk collection!
break;
case '2':
// Code to edit a user using the menu.
#ifdef DEBUG
printf("Edit.\n");
#endif
printf("First, I'll ask for the credentials of the user you wish to edit.\n");
username = getUsername();
password = getPassword();
usertype = getUsertype();
printf("Next, I'll need the new information you wish to replace it with.\nNote: this data will overwrite the other data.\n");
char * username2 = malloc(sizeof(char)*100);
char * password2 = malloc(sizeof(char)*100);
char * usertype2 = malloc(sizeof(char)*100);
username2 = getUsername();
password2 = getPassword();
usertype2 = getUsertype();
edit(users, username, password, usertype, username2, password2, usertype2);
free(username2);
free(password2);
free(usertype2);
getc(stdin); // Junk collection!
break;
case '3':
// Code to delete a user using the menu.
#ifdef DEBUG
printf("Delete.\n");
#endif
fflush(stdin);
username = getUsername();
del(users, username);
getc(stdin); // Junk collection!
break;
case '4':
// Code to verify a user using the menu.
#ifdef DEBUG
printf("Verify.\n");
#endif
username = getUsername();
password = getPassword();
#ifdef DEBUG
printf("\n%s %s\n", username, password);
#endif
if(verify(users, username, password) == EXIT_SUCCESS){
printf("VALID.\n");
}else{
printf("INVALID.\n");
}
getc(stdin); // Junk collection!
break;
#ifdef DEBUG
case '5':
// Code to print the list of users.
printf("Printing them.\n");
int pu=0;
for (pu=0; pu<users->length; pu++) {
print_user(users->entries[pu]);
}
break;
#endif
default: printf("That is not an option. Please try again.\n");
break;
}
}while(c != '0');
system("clear");
free(username);
free(password);
free(usertype);
return EXIT_SUCCESS;
}
int main()
{
//*** ENTER YOUR OPENING OUTPUT STATEMENT(S) HERE
printf("Hi all!\ncs.calvin.edu/books/c++/engr-sci/LabExercises/Lab7/exercise.html\nwriten by Ramadanov :)\n"); //cout << "Now enter your operands: ";
char operation;
char clculate;
char MENU[] = { "\nPlease enter:\n"
"\t+ - to perform addition;\n"
"\t- - to perform subtraction;\n"
"\t* - to perform multiplication;\n"
"\t/ - to perform division;\n"
"\t^ - to perform exponentiation;\n"
"--> " };
do
{
do {
operation = getMenuChoice(MENU);
while (getchar() != '\n');
} while ((operation != '+') && (operation != '-') && (operation != '*') && (operation != '/') && (operation != '^'));
//double op1, op2, result;
char op1_str[20], op2_str[20];
double op1, op2, result;
printf("Now enter your operands: \n"); //cout << "Now enter your operands: ";
//cin >> op1 >> op2;
do
{
op1_str[0] = '\0';
printf("Enter your first operand: \n");
fgets(op1_str, sizeof op1_str, stdin);
//while (getchar() != '\n');
} while (!(validd(op1_str)));
op1 = dd_converter(op1_str); // assert(cin.good()); //->bad inout - return error
do
{
op2_str[0] = '\0';
printf("Enter your second operand: \n");
fgets(op2_str, sizeof op2_str, stdin);
//while (getchar() != '\n');
} while (!(validd(op2_str)));
op2 = dd_converter(op2_str); //assert(cin.good()); //->bad inout - return error
printf("\n op1=%f op2=%f\n", op1, op2);
result = apply(operation, op1, op2);
printf("The result is %f\n", result); //cout << "The result is " << result << endl;
do
{
printf("Do you want to continue: 'Y' 'N':\t");
clculate = getchar();
while (getchar() != '\n');
} while ((clculate != 'Y') && (clculate != 'N'));
}
while (clculate == 'Y');
printf("Press any key to continue.....\n");
getchar();
}
int main(int argc, char **argv) {
printf("Running 'echo' file transfer client.\n");
if (DEBUG)
printf("Debug mode on.\n");
int sockfd, sec_sockfd, n, cmd, count, recvbytes;
char ipinput[46], usercmd[2], filename[80], recv_port[161], filebuffer[512];
struct sockaddr_in servaddr, sec_servaddr;
// Open a stream (TCP) IPv4 socket, and check if successful
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("Error opening socket!\n");
return -1;
}
printf("Give IP address of the file server: ");
scanf("%s", ipinput);
int server_port = 6666;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(server_port);
if (inet_pton(AF_INET, ipinput, &servaddr.sin_addr) <= 0) {
printf("inet_pton error for %s!\n", argv[1]);
return -1;
}
// Connect to IP address and port indicated by servaddr
// Check if it was succesful
if (connect(sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr)) < 0) {
perror("TCP connect error!\n");
return -1;
}
/*printf(
"1: FILELIST\n2: TCPSEND\n3: UDPSEND\n4: TCPGET\n5: UDPGET\nGive command number: ");
scanf("%d", &usercmd);*/
usercmd[0] = getMenuChoice();
//write command to server
write(sockfd, usercmd, sizeof(char));
if (DEBUG)
printf("wrote cmd %d to server\n", usercmd[0]);
cmd = (int) usercmd[0];
switch (cmd) {
case 1:
printf("\n==File listing==\n");
//sleep(1); //Not sure if these sleeps are necessary.
while ((n = read(sockfd, recv_port, 160)) > 0) {
printf("%s", recv_port);
}
break;
case 2:
printf("\n==TCP SEND==\n");
read(sockfd, recv_port, 160);
if (DEBUG)
printf("Server wants connection to port: %s\n", recv_port);
sleep(1);
if ((sec_sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("Error opening socket!\n");
return -1;
}
memset(&sec_servaddr, 0, sizeof(sec_servaddr));
sec_servaddr.sin_family = AF_INET;
if (DEBUG)
printf("port int is %d\n", atoi(recv_port));
sec_servaddr.sin_port = htons(atoi(recv_port));
if (inet_pton(AF_INET, ipinput, &sec_servaddr.sin_addr) <= 0) {
printf(
"Some known issues were encountered when trying to use IP address.\nThis error has previously occured when nwprog server was used for the client.\nPlease use other computer for the client!\n");
printf("inet_pton error\n");
return -1;
}
// Connect to IP address and port indicated by sec_servaddr
// Check if it was succesful
if (connect(sec_sockfd, (struct sockaddr *) &sec_servaddr,
sizeof(sec_servaddr)) < 0) {
perror("TCP connect error!\n");
return -1;
}
if (DEBUG)
printf("Connected\n");
printf("Give filename to upload: ");
scanf("%s", filename);
//-------------
//file transfer
//-------------
FILE *filetosend = fopen(filename, "rb");
if (filetosend == NULL) {
printf("Couldn't open the file.\n");
printf("Closing client\n");
return -1;
}
if (DEBUG)
printf("Sending filename to the server...\n");
write(sec_sockfd, filename, strlen(filename) + 1);
sleep(1);
count = 0;
printf("Uploading file. Please wait...\n");
while (1) {
//read data, 512 bytes at a time
unsigned char filebuffer[512] = { 0 };
//printf("starting to read\n");
int bytes_read = fread(filebuffer, 1, 512, filetosend);
//printf("read %d bytes\n", bytes_read);
//sending the data
if (bytes_read > 0) {
//printf("writing chunk to server\n");
write(sec_sockfd, filebuffer, bytes_read);
count = count + bytes_read;
}
//find eof
if (bytes_read < 512) {
if (feof(filetosend))
if (DEBUG)
printf("End of file reached\n");
if (ferror(filetosend))
printf("Error reading the file\n");
break;
}
}
sleep(1);
printf("File uploaded successfully (%d bytes)\n", count);
//printf("data transfer complete\n");
//close(sec_sockfd);
break;
case 3:
printf("\n==UDP SEND==\n");
if (DEBUG)
printf(">>>>>> TEMP: Calling udpsendcli(28000, %s).\n", ipinput);
read(sockfd, recv_port, 160);
if (DEBUG)
printf("Server wants connection to port: %s\n", recv_port);
int tempport = atoi(recv_port);
char tempport_str[80];
sprintf(tempport_str, "%d", tempport);
//char* tempport = "28000";
//udpsendcli(tempport, ipinput);
udpsendcli(tempport_str, ipinput);
break;
case 4:
printf("\n==TCP GET==\n");
read(sockfd, recv_port, 160);
if (DEBUG)
printf("Server wants connection to port: %s\n", recv_port);
sleep(1);
if ((sec_sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("Error opening socket!\n");
return -1;
}
memset(&sec_servaddr, 0, sizeof(sec_servaddr));
sec_servaddr.sin_family = AF_INET;
if (DEBUG)
printf("port int is %d\n", atoi(recv_port));
sec_servaddr.sin_port = htons(atoi(recv_port));
//sec_servaddr.sin_port = htons(server_port2);
//TODO: inet_pton fails for some reason if using ipinput
if (inet_pton(AF_INET, ipinput, &sec_servaddr.sin_addr) <= 0) {
printf(
"Some known issues (mainly when using nwprog) were found when trying to use IP address.\nPlease use other computer for the client!\n");
printf("inet_pton error\n");
return -1;
}
// Connect to IP address and port indicated by sec_servaddr
// Check if it was succesful
if (connect(sec_sockfd, (struct sockaddr *) &sec_servaddr,
sizeof(sec_servaddr)) < 0) {
perror("TCP connect error!\n");
return -1;
}
if (DEBUG)
printf("Connected\n");
//-------------
//file transfer
//-------------
printf("Give filename to download: ");
scanf("%s", filename);
//read(sec_sockfd, filebuffer, 512)
if (DEBUG)
printf("Opening file\n");
FILE *newfile;
newfile = fopen(filename, "wb");
if (newfile == NULL) {
printf("Error opening local file");
return -1;
}
write(sec_sockfd, filename, strlen(filename) + 1);
//TODO If file isn't found from server, should return -1;
// We need to implement some kind of OK/NOK check from server
if (DEBUG)
printf("Waiting for file name check from server\n");
memset(recv_port, 0, strlen(recv_port));
read(sec_sockfd, recv_port, 160);
//printf("%s\n", recv_port);
if (strcmp(recv_port, "1")) {
printf("Server doesnt have file: %s\n", filename);
return -1;
} else {
if (DEBUG)
printf("Server accepted filename: %s\n", filename);
}
printf("Downloading file from server. Please wait...\n");
count = 0;
//receive data, 512 bytes at a time
while ((recvbytes = read(sec_sockfd, filebuffer, 512)) > 0) {
//printf("bytes received: %d\n", recvbytes);
fwrite(filebuffer, 1, recvbytes, newfile);
count = count + recvbytes;
}
fclose(newfile);
printf("File downloaded successfully (%d bytes)\n", count);
break;
case 5:
printf("\n==UDP GET==\n");
read(sockfd, recv_port, 160);
if (DEBUG)
printf("Server wants connection to port: %s\n", recv_port);
int tempport2 = atoi(recv_port);
char tempport2_str[80];
sprintf(tempport2_str, "%d", tempport2);
udpgetcli(tempport2_str, ipinput);
break;
default:
printf("Got an unknown command, terminating!\n");
return -1;
}
printf("Closing client\n");
close(sockfd);
return 0;
}
