コミットを比較
4 コミット
作成者 | SHA1 | 日付 |
---|---|---|
ninya9k | 5e772aecb5 | |
ninya9k | 7a84bf052a | |
ninya9k | dd32ab8251 | |
ninya9k | f5ffa6ab26 |
207
uttt.c
207
uttt.c
|
@ -29,7 +29,15 @@ const struct ut_state ut_initial = {
|
|||
.playBoard = -1,
|
||||
.player = 'X',
|
||||
.host_player = '\0',
|
||||
};
|
||||
};
|
||||
|
||||
struct ut_socket_buffer {
|
||||
int fd;
|
||||
char *buf;
|
||||
size_t len;
|
||||
size_t start;
|
||||
size_t stop;
|
||||
};
|
||||
|
||||
const char *HELP_TEXT = "\
|
||||
Usage: uttt (--local | --host | --join)\n\
|
||||
|
@ -57,6 +65,7 @@ int ut_random_player(char *player) {
|
|||
int random = open("/dev/urandom", O_RDONLY);
|
||||
if (read(random, player, 1) < 0) {return errno;}
|
||||
*player = *player % 2 == 0 ? 'X' : 'O';
|
||||
*player = 'X'; // testing
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -295,6 +304,70 @@ int ut_writefill(int fd, const char *x, size_t l)
|
|||
return 0;
|
||||
}
|
||||
|
||||
int ut_socket_buffer_size(struct ut_socket_buffer *sockbuf) {
|
||||
int size = sockbuf->stop - sockbuf->start;
|
||||
if (size < 0) {size += sockbuf->len;}
|
||||
return size;
|
||||
}
|
||||
|
||||
/* Copies up to (and including) first '\n' in socket buffer, otherwise whole buffer */
|
||||
int ut_readline_buffer(struct ut_socket_buffer *sockbuf, char *line, size_t len) {
|
||||
int size = ut_socket_buffer_size(sockbuf);
|
||||
printf("sockbuf size: %d\n", size);
|
||||
for (int i = 0; i < size; i++) {
|
||||
if (i > len) {return -2;}
|
||||
line[i] = sockbuf->buf[(sockbuf->start + i) % sockbuf->len];
|
||||
if (line[i] == '\n') {
|
||||
sockbuf->start = (sockbuf->start + i + 1) % sockbuf->len;
|
||||
printf("new start: %d\n", sockbuf->start);
|
||||
return i + 1;
|
||||
}
|
||||
}
|
||||
sockbuf->start = (sockbuf->start + size) % sockbuf->len;
|
||||
printf("new start from size: %d\n", sockbuf->start);
|
||||
return size;
|
||||
}
|
||||
|
||||
int ut_readline_socket(struct ut_socket_buffer *sockbuf, char *line, size_t len) {
|
||||
while (len > 0) {
|
||||
int r = read(sockbuf->fd, line, len);
|
||||
line[r] = 0;
|
||||
printf("read %d from fd %d\n", r, sockbuf->fd);
|
||||
printf(">>socket data: '%s'\n", line);
|
||||
if (r < 0) {
|
||||
if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR) {continue;}
|
||||
else {return -1;}
|
||||
}
|
||||
else if (r == 0) {return -1;}
|
||||
for (int i = 0; i < r; i++) {
|
||||
if (line[i] == '\n') {
|
||||
int size = ut_socket_buffer_size(sockbuf);
|
||||
if (r - (i + 1) >= sockbuf->len - size) {return -2;}
|
||||
for (int j = 0; j < r - (i + 1); j++) {
|
||||
sockbuf->buf[(sockbuf->stop + j) % sockbuf->len] = line[i + 1 + j];
|
||||
}
|
||||
sockbuf->stop = (sockbuf->stop + r - (i + 1)) % sockbuf->len;
|
||||
return i;
|
||||
}
|
||||
}
|
||||
line += r;
|
||||
len -= r;
|
||||
}
|
||||
}
|
||||
|
||||
int ut_readline(struct ut_socket_buffer *sockbuf, char *line, size_t len) {
|
||||
int nb = ut_readline_buffer(sockbuf, line, len);
|
||||
if (nb < 0) {return nb;}
|
||||
line[nb] = 0;
|
||||
printf("got partial line from buffer %d bytes: '%s'\n", nb, line);
|
||||
if (nb >= 1 && line[nb - 1] == '\n') {return nb - 1;}
|
||||
int ns = ut_readline_socket(sockbuf, line + nb, len - nb);
|
||||
if (ns < 0) {return ns;}
|
||||
line[nb+ns] = 0;
|
||||
printf("got end of line from socket %d bytes: '%s'\n", ns, line+nb);
|
||||
return nb + ns;
|
||||
}
|
||||
|
||||
#define MAX_LINE 128
|
||||
|
||||
int ut_dprintf(int fd, const char *restrict format, ...)
|
||||
|
@ -401,74 +474,27 @@ bool getpos(const struct ut_state *state, int *x, int *y) {
|
|||
return true;
|
||||
}
|
||||
|
||||
void getpos_net(const struct ut_state *state, int sock, int *x, int *y) { // TODO
|
||||
const int MAX_LINE_LEN = 120;
|
||||
int getpos_net(const struct ut_state *state, struct ut_socket_buffer *sockbuf, int *x, int *y) { // TODO
|
||||
const int MAX_LINE_LEN = 128;
|
||||
char byte;
|
||||
int n;
|
||||
while (true) {
|
||||
n = recv(sock, &byte, 1, 0);
|
||||
if (n == 0) {goto conn_closed;}
|
||||
if (byte == '|') {
|
||||
// ignore this line
|
||||
for (int i = 0; i < MAX_LINE_LEN; i++) {
|
||||
n = recv(sock, &byte, 1, 0);
|
||||
if (n == 0) {goto conn_closed;}
|
||||
if (byte == '\n') {break;}
|
||||
}
|
||||
if (byte != '\n') {
|
||||
printf("Partner sent too much data in one comment line - exiting\n");
|
||||
close(sock);
|
||||
exit(1);
|
||||
}
|
||||
} else {
|
||||
if (byte == '\n') {
|
||||
printf("Partner ended line before coords were complete - retrying\n");
|
||||
ut_dprintf(sock, "| Invalid coordinates. Try again: ");
|
||||
continue;
|
||||
}
|
||||
*x = byte - 0x30;
|
||||
n = recv(sock, &byte, 1, 0);
|
||||
if (n == 0) {goto conn_closed;}
|
||||
if (byte == '\n') {
|
||||
printf("Partner ended line before coords were complete - retrying\n");
|
||||
ut_dprintf(sock, "| Invalid coordinates. Try again: ");
|
||||
continue;
|
||||
}
|
||||
n = recv(sock, &byte, 1, 0);
|
||||
if (n == 0) {goto conn_closed;}
|
||||
if (byte == '\n') {
|
||||
printf("Partner ended line before coords were complete - retrying\n");
|
||||
ut_dprintf(sock, "| Invalid coordinates. Try again: ");
|
||||
continue;
|
||||
}
|
||||
*y = byte - 0x30;
|
||||
n = recv(sock, &byte, 1, 0);
|
||||
if (n == 0) {goto conn_closed;}
|
||||
if (byte != '\n') {
|
||||
printf("Partner sent extra data after coords were complete - ignoring and retrying\n");
|
||||
ut_dprintf(sock, "| Invalid coordinates. Try again: ");
|
||||
// ignore the rest of this line
|
||||
for (int i = 0; i < MAX_LINE_LEN; i++) {
|
||||
n = recv(sock, &byte, 1, 0);
|
||||
if (n == 0) {goto conn_closed;}
|
||||
if (byte == '\n') {break;}
|
||||
}
|
||||
if (byte != '\n') {
|
||||
printf("Partner sent too much extra data - exiting\n");
|
||||
close(sock);
|
||||
exit(1);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
char line[MAX_LINE_LEN];
|
||||
int len = ut_readline(sockbuf, line, MAX_LINE_LEN);
|
||||
if (len < 0) {return len;}
|
||||
if (len == 0) {printf("sex\n");return -1;}
|
||||
line[len] = 0;
|
||||
printf("got >>>>>> line: '%s'\n", line);
|
||||
if (line[0] == '|') {continue;}
|
||||
if (len != 3) {return -3;}
|
||||
if (line[1] != ',') {return -3;}
|
||||
*x = line[0] - 0x30;
|
||||
*y = line[2] - 0x30;
|
||||
break;
|
||||
}
|
||||
printf("x=%d y=%d\n", *x, *y);
|
||||
return;
|
||||
return 0;
|
||||
|
||||
conn_closed:
|
||||
printf("Connection closed.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
void finish(int sig)
|
||||
|
@ -546,40 +572,54 @@ int ut_local_game(struct ut_state *state) { // TODO replace with from ncurses ma
|
|||
return 0;
|
||||
}
|
||||
|
||||
int ut_network_game(struct ut_state *state, int sock, char player) { // TODO
|
||||
int ut_network_game(struct ut_state *state, struct ut_socket_buffer *sockbuf, char player) { // TODO
|
||||
int x, y;
|
||||
bool host = player == state->host_player;
|
||||
printf("You play as %c.\n", player);
|
||||
while (true) {
|
||||
ut_show(state, 1, false);
|
||||
ut_show_boards(state);
|
||||
ut_show(state, sock, true);
|
||||
ut_show(state, sockbuf->fd, true);
|
||||
if (state->player == player) {
|
||||
if (host) {ut_dprintf(sock, "| Waiting for game partner ...\n");}
|
||||
if (host) {ut_dprintf(sockbuf->fd, "| Waiting for game partner ...\n");}
|
||||
bool ok = getpos(state, &x, &y);
|
||||
if (!ok) {continue;}
|
||||
ut_dprintf(sock, "%d,%d\n", x, y);
|
||||
ut_dprintf(sockbuf->fd, "%d,%d\n", x, y);
|
||||
} else {
|
||||
printf("Waiting for game partner ...\n");
|
||||
if (host) {
|
||||
ut_dprintf(sock, "|\n"); // aligns game board each turn
|
||||
ut_dprintf(sock, "| Place token %c in position x,y: ", ut_turn(player));
|
||||
ut_dprintf(sockbuf->fd, "|\n"); // aligns game board each turn
|
||||
ut_dprintf(sockbuf->fd, "| Place token %c in position x,y: ", ut_turn(player));
|
||||
}
|
||||
int err = getpos_net(state, sockbuf, &x, &y);
|
||||
if (err == -1) {
|
||||
printf("Connection closed.\n");
|
||||
return 1;
|
||||
} else if (err == -2) {
|
||||
printf("Partner sent too much data - exiting\n");
|
||||
return 1;
|
||||
} else if (err == -3) {
|
||||
printf("Partner sent malformed data - retrying ...\n");
|
||||
continue;
|
||||
}
|
||||
getpos_net(state, sock, &x, &y);
|
||||
}
|
||||
int err = ut_move(state, state, y, x);
|
||||
if (err) {continue;}
|
||||
ut_dprintf(sock, "|\n");
|
||||
ut_dprintf(sockbuf->fd, "|\n");
|
||||
char w = ut_winner((char *)state->boards, 0, 3);
|
||||
if(w)
|
||||
{
|
||||
if(w == ' ')
|
||||
{
|
||||
printf("\nDraw!\n");
|
||||
if (host) {ut_dprintf(sockbuf->fd, "|\n|Draw!\n");}
|
||||
close(sockbuf->fd);
|
||||
}
|
||||
else
|
||||
{
|
||||
printf("\n%c wins!\n", (int)w);
|
||||
if (host) {ut_dprintf(sockbuf->fd, "|\n|%c wins!\n", (int)w);}
|
||||
close(sockbuf->fd);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
@ -624,7 +664,14 @@ int ut_host_game(struct ut_state *state) {
|
|||
// tell partner X or O
|
||||
ut_dprintf(conn, "%c\n", ut_turn(state->host_player)); // TODO
|
||||
|
||||
return ut_network_game(state, conn, state->host_player);
|
||||
struct ut_socket_buffer connbuf = {
|
||||
.fd = conn,
|
||||
.buf = (char[128]){0},
|
||||
.len = 128,
|
||||
.start = 0,
|
||||
.stop = 0,
|
||||
};
|
||||
return ut_network_game(state, &connbuf, state->host_player);
|
||||
}
|
||||
|
||||
int ut_join_game(struct ut_state *state) {
|
||||
|
@ -643,13 +690,21 @@ int ut_join_game(struct ut_state *state) {
|
|||
connect(sock, (struct sockaddr*)&addr, sizeof(addr));
|
||||
|
||||
// host decides X or O
|
||||
char player;
|
||||
int r = ut_readfill(sock, &player, 1);
|
||||
char player_buf[2];
|
||||
char *player = (char*)&player_buf;
|
||||
int r = ut_readfill(sock, player_buf, 2);
|
||||
if (r == 2) {printf("Connection closed.\n");}
|
||||
if (r != 0) {return 1;}
|
||||
state->host_player = ut_turn(player);
|
||||
state->host_player = ut_turn(*player);
|
||||
|
||||
return ut_network_game(state, sock, player);
|
||||
struct ut_socket_buffer sockbuf = {
|
||||
.fd = sock,
|
||||
.buf = (char[128]){0},
|
||||
.len = 128,
|
||||
.start = 0,
|
||||
.stop = 0,
|
||||
};
|
||||
return ut_network_game(state, &sockbuf, *player);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
|
|
読み込み中…
新しいイシューから参照