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First semi-functional version.

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This commit is contained in:
Luka Miljak 2014-03-18 17:31:42 +01:00
parent c33bd6ca4e
commit 0176443560
5 changed files with 37 additions and 13 deletions
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30
tty.c
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@ -1,6 +1,7 @@
#include "moxerver.h"
#include <string.h>
#define TTY_THREAD_TIMEOUT_SEC 30
#define TTY_WAIT_TIMEOUT 5 /* seconds for select() timeout in server loop */
#define NAME "tty"
/* Opens the tty device and configures it. */
@ -61,22 +62,41 @@ int tty_read(struct tty_t *tty_dev) {
/* Sends data from a buffer to tty device. */
int tty_write(struct tty_t *tty_dev, char *databuf, int datalen) {
write(tty_dev->fd, databuf, datalen);
// databuf should point to client data buffer
return 0;
}
/* Main thread for reading and writing to tty device */
void *tty_thread_func(void *arg) {
//int i = 0;
char c;
//char c;
struct tty_t *tty_dev = (struct tty_t*)arg;
struct timeval tv;
ssize_t br = 0;
int ret;
fd_set read_fds;
fprintf(stderr, "[%s] tty thread started with passed argument: %s\n", NAME, tty_dev->path);
//while ((i * 10) < TTY_THREAD_TIMEOUT_SEC) {
while (1) {
/* setup parameters for select() */
tv.tv_sec = TTY_WAIT_TIMEOUT;
tv.tv_usec = 0;
FD_ZERO(&read_fds);
FD_SET(tty_dev->fd, &read_fds);
/* wait with select() */
ret = select(tty_dev->fd + 1, &read_fds, NULL, NULL, &tv);
if (ret > 0 && FD_ISSET(tty_dev->fd, &read_fds)) {
br = read(tty_dev->fd, tty_dev->data, DATA_BUFLEN);
client_write(&client, tty_dev->data, br);
}
else {
}
//sleep(10);
if (read(tty_dev->fd, &c, 1) > 0)
printf("%c", c);
//if (read(tty_dev->fd, &c, 1) > 0)
// printf("%c", c);
//fprintf(stderr, "[%s] tty thread reporting ...\n", NAME);
//i++;