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-rw-r--r--gdb/ser-tcp.c358
1 files changed, 0 insertions, 358 deletions
diff --git a/gdb/ser-tcp.c b/gdb/ser-tcp.c
deleted file mode 100644
index c551337..0000000
--- a/gdb/ser-tcp.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/* Serial interface for raw TCP connections on Un*x like systems
- Copyright 1992, 1993, 1998 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "defs.h"
-#include "serial.h"
-#include <sys/types.h>
-#include <sys/time.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <sys/socket.h>
-
-#ifndef __CYGWIN32__
-#include <netinet/tcp.h>
-#endif
-
-#include "signals.h"
-#include "gdb_string.h"
-
-struct tcp_ttystate
-{
- int bogus;
-};
-
-static int tcp_open PARAMS ((serial_t scb, const char *name));
-static void tcp_raw PARAMS ((serial_t scb));
-static int wait_for PARAMS ((serial_t scb, int timeout));
-static int tcp_readchar PARAMS ((serial_t scb, int timeout));
-static int tcp_setbaudrate PARAMS ((serial_t scb, int rate));
-static int tcp_setstopbits PARAMS ((serial_t scb, int num));
-static int tcp_write PARAMS ((serial_t scb, const char *str, int len));
-/* FIXME: static void tcp_restore PARAMS ((serial_t scb)); */
-static void tcp_close PARAMS ((serial_t scb));
-static serial_ttystate tcp_get_tty_state PARAMS ((serial_t scb));
-static int tcp_set_tty_state PARAMS ((serial_t scb, serial_ttystate state));
-static int tcp_return_0 PARAMS ((serial_t));
-static int tcp_noflush_set_tty_state PARAMS ((serial_t, serial_ttystate,
- serial_ttystate));
-static void tcp_print_tty_state PARAMS ((serial_t, serial_ttystate));
-
-void _initialize_ser_tcp PARAMS ((void));
-
-/* Open up a raw tcp socket */
-
-static int
-tcp_open(scb, name)
- serial_t scb;
- const char *name;
-{
- char *port_str;
- int port;
- struct hostent *hostent;
- struct sockaddr_in sockaddr;
- int tmp;
- char hostname[100];
- struct protoent *protoent;
- int i;
-
- port_str = strchr (name, ':');
-
- if (!port_str)
- error ("tcp_open: No colon in host name!"); /* Shouldn't ever happen */
-
- tmp = min (port_str - name, (int) sizeof hostname - 1);
- strncpy (hostname, name, tmp); /* Don't want colon */
- hostname[tmp] = '\000'; /* Tie off host name */
- port = atoi (port_str + 1);
-
- hostent = gethostbyname (hostname);
-
- if (!hostent)
- {
- fprintf_unfiltered (gdb_stderr, "%s: unknown host\n", hostname);
- errno = ENOENT;
- return -1;
- }
-
- for (i = 1; i <= 15; i++)
- {
- scb->fd = socket (PF_INET, SOCK_STREAM, 0);
- if (scb->fd < 0)
- return -1;
-
- /* Allow rapid reuse of this port. */
- tmp = 1;
- setsockopt (scb->fd, SOL_SOCKET, SO_REUSEADDR, (char *)&tmp, sizeof(tmp));
-
- /* Enable TCP keep alive process. */
- tmp = 1;
- setsockopt (scb->fd, SOL_SOCKET, SO_KEEPALIVE, (char *)&tmp, sizeof(tmp));
-
- sockaddr.sin_family = PF_INET;
- sockaddr.sin_port = htons(port);
- memcpy (&sockaddr.sin_addr.s_addr, hostent->h_addr,
- sizeof (struct in_addr));
-
- if (!connect (scb->fd, (struct sockaddr *) &sockaddr, sizeof(sockaddr)))
- break;
-
- close (scb->fd);
- scb->fd = -1;
-
-/* We retry for ECONNREFUSED because that is often a temporary condition, which
- happens when the server is being restarted. */
-
- if (errno != ECONNREFUSED)
- return -1;
-
- sleep (1);
- }
-
- protoent = getprotobyname ("tcp");
- if (!protoent)
- return -1;
-
- tmp = 1;
- if (setsockopt (scb->fd, protoent->p_proto, TCP_NODELAY,
- (char *)&tmp, sizeof(tmp)))
- return -1;
-
- signal(SIGPIPE, SIG_IGN); /* If we don't do this, then GDB simply exits
- when the remote side dies. */
-
- return 0;
-}
-
-static serial_ttystate
-tcp_get_tty_state(scb)
- serial_t scb;
-{
- struct tcp_ttystate *state;
-
- state = (struct tcp_ttystate *)xmalloc(sizeof *state);
-
- return (serial_ttystate)state;
-}
-
-static int
-tcp_set_tty_state(scb, ttystate)
- serial_t scb;
- serial_ttystate ttystate;
-{
- struct tcp_ttystate *state;
-
- state = (struct tcp_ttystate *)ttystate;
-
- return 0;
-}
-
-static int
-tcp_return_0 (scb)
- serial_t scb;
-{
- return 0;
-}
-
-static void
-tcp_raw(scb)
- serial_t scb;
-{
- return; /* Always in raw mode */
-}
-
-/* Wait for input on scb, with timeout seconds. Returns 0 on success,
- otherwise SERIAL_TIMEOUT or SERIAL_ERROR.
-
- For termio{s}, we actually just setup VTIME if necessary, and let the
- timeout occur in the read() in tcp_read().
- */
-
-static int
-wait_for (scb, timeout)
- serial_t scb;
- int timeout;
-{
- int numfds;
- struct timeval tv;
- fd_set readfds, exceptfds;
-
- FD_ZERO (&readfds);
- FD_ZERO (&exceptfds);
-
- tv.tv_sec = timeout;
- tv.tv_usec = 0;
-
- FD_SET(scb->fd, &readfds);
- FD_SET(scb->fd, &exceptfds);
-
- while (1)
- {
- if (timeout >= 0)
- numfds = select(scb->fd+1, &readfds, 0, &exceptfds, &tv);
- else
- numfds = select(scb->fd+1, &readfds, 0, &exceptfds, 0);
-
- if (numfds <= 0)
- {
- if (numfds == 0)
- return SERIAL_TIMEOUT;
- else if (errno == EINTR)
- continue;
- else
- return SERIAL_ERROR; /* Got an error from select or poll */
- }
-
- return 0;
- }
-}
-
-/* Read a character with user-specified timeout. TIMEOUT is number of seconds
- to wait, or -1 to wait forever. Use timeout of 0 to effect a poll. Returns
- char if successful. Returns -2 if timeout expired, EOF if line dropped
- dead, or -3 for any other error (see errno in that case). */
-
-static int
-tcp_readchar (scb, timeout)
- serial_t scb;
- int timeout;
-{
- int status;
-
- if (scb->bufcnt-- > 0)
- return *scb->bufp++;
-
- status = wait_for(scb, timeout);
-
- if (status < 0)
- return status;
-
- while (1)
- {
- scb->bufcnt = read(scb->fd, scb->buf, BUFSIZ);
- if (scb->bufcnt != -1 || errno != EINTR)
- break;
- }
-
- if (scb->bufcnt <= 0)
- {
- if (scb->bufcnt == 0)
- return SERIAL_TIMEOUT; /* 0 chars means timeout [may need to
- distinguish between EOF & timeouts
- someday] */
- else
- return SERIAL_ERROR; /* Got an error from read */
- }
-
- scb->bufcnt--;
- scb->bufp = scb->buf;
- return *scb->bufp++;
-}
-
-static int
-tcp_noflush_set_tty_state (scb, new_ttystate, old_ttystate)
- serial_t scb;
- serial_ttystate new_ttystate;
- serial_ttystate old_ttystate;
-{
- return 0;
-}
-
-static void
-tcp_print_tty_state (scb, ttystate)
- serial_t scb;
- serial_ttystate ttystate;
-{
- /* Nothing to print. */
- return;
-}
-
-static int
-tcp_setbaudrate(scb, rate)
- serial_t scb;
- int rate;
-{
- return 0; /* Never fails! */
-}
-
-static int
-tcp_setstopbits(scb, num)
- serial_t scb;
- int num;
-{
- return 0; /* Never fails! */
-}
-
-static int
-tcp_write(scb, str, len)
- serial_t scb;
- const char *str;
- int len;
-{
- int cc;
-
- while (len > 0)
- {
- cc = write(scb->fd, str, len);
-
- if (cc < 0)
- return 1;
- len -= cc;
- str += cc;
- }
- return 0;
-}
-
-static void
-tcp_close(scb)
- serial_t scb;
-{
- if (scb->fd < 0)
- return;
-
- close(scb->fd);
- scb->fd = -1;
-}
-
-static struct serial_ops tcp_ops =
-{
- "tcp",
- 0,
- tcp_open,
- tcp_close,
- tcp_readchar,
- tcp_write,
- tcp_return_0, /* flush output */
- tcp_return_0, /* flush input */
- tcp_return_0, /* send break */
- tcp_raw,
- tcp_get_tty_state,
- tcp_set_tty_state,
- tcp_print_tty_state,
- tcp_noflush_set_tty_state,
- tcp_setbaudrate,
- tcp_setstopbits,
- tcp_return_0, /* wait for output to drain */
-};
-
-void
-_initialize_ser_tcp ()
-{
- serial_add_interface (&tcp_ops);
-}
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