static void raw_size(void);
-static int sb_opt, sb_len;
-static char *sb_buf = NULL;
-static int sb_size = 0;
-#define SB_DELTA 1024
-
-static void c_write (char *buf, int len) {
+static void c_write(char *buf, int len)
+{
from_backend(0, buf, len);
}
-static int raw_receive (Socket skt, int urgent, char *data, int len) {
- if (urgent==3) {
- /* A socket error has occurred. */
+static int raw_closing(Plug plug, char *error_msg, int error_code,
+ int calling_back)
+{
+ if (s) {
sk_close(s);
s = NULL;
- connection_fatal(data);
- len = 0;
- return 0;
- } else if (!len) {
- /* Connection has closed. */
- sk_close(s);
- s = NULL;
- return 0;
}
+ if (error_msg) {
+ /* A socket error has occurred. */
+ connection_fatal(error_msg);
+ } /* Otherwise, the remote side closed the connection normally. */
+ return 0;
+}
+
+static int raw_receive(Plug plug, int urgent, char *data, int len)
+{
c_write(data, len);
return 1;
}
*
* Returns an error message, or NULL on success.
*
- * Also places the canonical host name into `realhost'.
+ * Also places the canonical host name into `realhost'. It must be
+ * freed by the caller.
*/
-static char *raw_init (char *host, int port, char **realhost) {
+static char *raw_init(char *host, int port, char **realhost)
+{
+ static struct plug_function_table fn_table = {
+ raw_closing,
+ raw_receive
+ }, *fn_table_ptr = &fn_table;
+
SockAddr addr;
char *err;
* Try to find host.
*/
addr = sk_namelookup(host, realhost);
- if ( (err = sk_addr_error(addr)) )
+ if ((err = sk_addr_error(addr)))
return err;
if (port < 0)
/*
* Open socket.
*/
- s = sk_new(addr, port, 0, raw_receive);
- if ( (err = sk_socket_error(s)) )
+ s = sk_new(addr, port, 0, 1, &fn_table_ptr);
+ if ((err = sk_socket_error(s)))
return err;
sk_addr_free(addr);
/*
* Called to send data down the raw connection.
*/
-static void raw_send (char *buf, int len) {
+static void raw_send(char *buf, int len)
+{
if (s == NULL)
return;
/*
* Called to set the size of the window
*/
-static void raw_size(void) {
+static void raw_size(void)
+{
/* Do nothing! */
return;
}
/*
* Send raw special codes.
*/
-static void raw_special (Telnet_Special code) {
+static void raw_special(Telnet_Special code)
+{
/* Do nothing! */
return;
}
-static Socket raw_socket(void) { return s; }
+static Socket raw_socket(void)
+{
+ return s;
+}
-static int raw_sendok(void) { return 1; }
+static int raw_sendok(void)
+{
+ return 1;
+}
-static int raw_ldisc(int option) {
+static int raw_ldisc(int option)
+{
if (option == LD_EDIT || option == LD_ECHO)
- return 1;
+ return 1;
return 0;
}