First semi-functional version.

Makefile

@@ -4,7 +4,7 @@ TARGET = moxerver
 # special include directories
 INCDIRS = -I.
 # special library directories
-LIBDIRS = -L
+LIBDIRS = -L.
 # used libraries
 #LIBS = -lm
 LIBS = -lpthread
@@ -20,11 +20,11 @@ HEADERS = $(wildcard *.h)
 
 # all objects are built from their .c files and all headers in the directory
 %.o: %.c $(HEADERS)
-	$(CC) $(CFLAGS) $(LIBS) -c $< -o $@
+	$(CC) $(CFLAGS) -c $< -o $@
 
 # target is built from all object files
 $(TARGET): $(OBJECTS)
-	$(CC) $(CFLAGS) $(LIBS) $(OBJECTS) -o $@
+	$(CC) $(OBJECTS) $(CFLAGS) -o $@
 
 
 # support for default, clean and all options

client.c

@@ -52,7 +52,7 @@ int client_write(struct client_t *client, char *databuf, int datalen) {
 	int len;
 	
 	/* handle special telnet characters to display them correctly on client */
-	telnet_handle_client_write(databuf, &datalen);
+	//telnet_handle_client_write(databuf, &datalen);
 	
 	//TODO let's print received bytes during development phase...
 	{

moxerver.c

@@ -10,9 +10,9 @@
 
 
 /* Global variables used throughout the application */
-struct server_t server;
-struct client_t client; //TODO working with only 1 client, this can be expanded into a list
-struct tty_t tty_dev;
+//struct server_t server;
+//struct client_t client; //TODO working with only 1 client, this can be expanded into a list
+//struct tty_t tty_dev;
 
 /* Prints help message. */
 static void usage() {
@@ -176,9 +176,10 @@ int main(int argc, char *argv[]) {
 					continue;
 				}
 				/* echo back to client */
-				client_write(&client, client.data, ret);
+				//client_write(&client, client.data, ret);
 				
 				//TODO we should send this data to TTY device here
+				tty_write(&tty_dev, client.data, ret); 
 			}
 		}
 		if (ret == 0) {

moxerver.h

@@ -34,6 +34,9 @@ struct tty_t {
 	char data[DATA_BUFLEN]; 	/* buffer for data received from tty */
 };
 
+struct server_t server;
+struct client_t client; //TODO working with only 1 client, this can be expanded into a list
+struct tty_t tty_dev;
 
 /* Sets up the server on specific port, binds to a socket and listens for client connections. */
 int server_setup(struct server_t *server, unsigned int port);

tty.c

@@ -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++;