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Start the first client with a special socketpair so it is already known to the
server rather than playing silly games to get them synchronised before doing anything. Change attach-session to start the server.
This commit is contained in:
Nicholas Marriott
parent
95323a6a36
commit
5f6a351df7
8
CHANGES
8
CHANGES
@ -1,3 +1,9 @@
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19 January 2009
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* attach-session now tries to start the server if it isn't already started - if
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no sessions are created in .tmux.conf this will cause an error.
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* Clean up starting server by making initial client get a special socketpair.
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18 January 2009
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* Unbreak UTF-8.
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@ -958,7 +964,7 @@
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(including mutt, emacs). No status bar yet and no key remapping or other
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customisation.
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$Id: CHANGES,v 1.220 2009-01-18 21:46:30 nicm Exp $
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$Id: CHANGES,v 1.221 2009-01-19 17:16:09 nicm Exp $
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LocalWords: showw utf UTF fulvio ciriaco joshe OSC APC gettime abc DEF OA clr
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LocalWords: rivo nurges lscm Erdely eol smysession mysession ek dstname RB ms
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36
client.c
36
client.c
@ -1,4 +1,4 @@
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/* $Id: client.c,v 1.40 2009-01-18 12:09:42 nicm Exp $ */
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/* $Id: client.c,v 1.41 2009-01-19 17:16:09 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -44,23 +44,20 @@ client_init(
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struct winsize ws;
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size_t size;
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int mode;
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u_int retries;
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struct buffer *b;
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char *name;
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retries = 0;
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retry:
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if (stat(path, &sb) != 0) {
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if (start_server && errno == ENOENT) {
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if (server_start(path) != 0)
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goto no_start;
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goto retry;
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if ((cctx->srv_fd = server_start(path)) == -1)
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goto start_failed;
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goto server_started;
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}
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goto fail;
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goto not_found;
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}
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if (!S_ISSOCK(sb.st_mode)) {
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errno = ENOTSOCK;
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goto fail;
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goto not_found;
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}
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memset(&sa, 0, sizeof sa);
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@ -68,7 +65,7 @@ retry:
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size = strlcpy(sa.sun_path, path, sizeof sa.sun_path);
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if (size >= sizeof sa.sun_path) {
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errno = ENAMETOOLONG;
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goto fail;
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goto not_found;
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}
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if ((cctx->srv_fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
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@ -76,16 +73,17 @@ retry:
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if (connect(
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cctx->srv_fd, (struct sockaddr *) &sa, SUN_LEN(&sa)) == -1) {
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if (start_server && errno == ECONNREFUSED && retries < 10) {
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if (unlink(path) != 0)
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goto fail;
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if (server_start(path) != 0)
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goto no_start;
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if (errno == ECONNREFUSED) {
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if (unlink(path) != 0 || !start_server)
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goto not_found;
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if ((cctx->srv_fd = server_start(path)) == -1)
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goto start_failed;
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goto server_started;
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}
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retries++;
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goto retry;
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goto not_found;
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}
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server_started:
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if ((mode = fcntl(cctx->srv_fd, F_GETFL)) == -1)
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fatal("fcntl");
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if (fcntl(cctx->srv_fd, F_SETFL, mode|O_NONBLOCK) == -1)
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@ -118,11 +116,11 @@ retry:
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return (0);
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no_start:
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start_failed:
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log_warnx("server failed to start");
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return (1);
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fail:
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not_found:
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log_warn("server not found");
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return (1);
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}
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@ -1,4 +1,4 @@
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/* $Id: cmd-attach-session.c,v 1.21 2008-12-10 20:25:41 nicm Exp $ */
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/* $Id: cmd-attach-session.c,v 1.22 2009-01-19 17:16:09 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -29,7 +29,7 @@ void cmd_attach_session_exec(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_attach_session_entry = {
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"attach-session", "attach",
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"[-d] " CMD_TARGET_SESSION_USAGE,
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CMD_DFLAG|CMD_CANTNEST,
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CMD_DFLAG|CMD_CANTNEST|CMD_STARTSERVER,
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cmd_target_init,
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cmd_target_parse,
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cmd_attach_session_exec,
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@ -45,10 +45,14 @@ cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
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struct cmd_target_data *data = self->data;
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struct session *s;
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char *cause;
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if (ctx->curclient != NULL)
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return;
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if (ARRAY_LENGTH(&sessions) == 0) {
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ctx->error(ctx, "no sessions");
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return;
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}
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if ((s = cmd_find_session(ctx, data->target)) == NULL)
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return;
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111
server.c
111
server.c
@ -1,4 +1,4 @@
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/* $Id: server.c,v 1.108 2009-01-18 14:40:48 nicm Exp $ */
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/* $Id: server.c,v 1.109 2009-01-19 17:16:09 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -58,6 +58,51 @@ void server_check_timers(struct client *);
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void server_second_timers(void);
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int server_update_socket(const char *);
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/* Create a new client. */
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struct client *
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server_create_client(int fd)
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{
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struct client *c;
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int mode;
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u_int i;
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if ((mode = fcntl(fd, F_GETFL)) == -1)
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fatal("fcntl failed");
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if (fcntl(fd, F_SETFL, mode|O_NONBLOCK) == -1)
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fatal("fcntl failed");
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c = xcalloc(1, sizeof *c);
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c->fd = fd;
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c->in = buffer_create(BUFSIZ);
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c->out = buffer_create(BUFSIZ);
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ARRAY_INIT(&c->prompt_hdata);
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c->tty.fd = -1;
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c->title = NULL;
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c->session = NULL;
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c->sx = 80;
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c->sy = 25;
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screen_init(&c->status, c->sx, 1, 0);
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c->message_string = NULL;
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c->prompt_string = NULL;
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c->prompt_buffer = NULL;
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c->prompt_index = 0;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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if (ARRAY_ITEM(&clients, i) == NULL) {
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ARRAY_SET(&clients, i, c);
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return (c);
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}
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}
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ARRAY_ADD(&clients, c);
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return (c);
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}
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/* Find client index. */
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int
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server_client_index(struct client *c)
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{
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@ -79,9 +124,8 @@ server_start(const char *path)
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mode_t mask;
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int n, fd, pair[2], mode;
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char *cause;
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u_char ch;
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/* Make a little socketpair to wait for the server to be ready. */
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/* The first client is special and gets a socketpair; create it. */
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if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pair) != 0)
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fatal("socketpair failed");
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@ -92,17 +136,7 @@ server_start(const char *path)
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break;
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default:
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close(pair[1]);
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ch = 0x00;
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if (read(pair[0], &ch, 1) == 1 && ch == 0xff) {
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close(pair[0]);
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return (0);
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}
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ch = 0x00;
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if (write(pair[1], &ch, 1) != 1)
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fatal("write failed");
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close(pair[0]);
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return (1);
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return (pair[0]);
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}
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close(pair[0]);
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@ -166,11 +200,7 @@ server_start(const char *path)
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if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
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fatal("fcntl failed");
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ch = 0xff;
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if (write(pair[1], &ch, 1) != 1)
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fatal("write failed");
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read(pair[1], &ch, 1); /* Ignore errors; just to wait before closing. */
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close(pair[1]);
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server_create_client(pair[1]);
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n = server_main(path, fd);
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#ifdef DEBUG
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@ -532,52 +562,17 @@ server_handle_clients(struct pollfd **pfd)
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struct client *
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server_accept_client(int srv_fd)
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{
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struct client *c;
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struct sockaddr_storage sa;
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socklen_t slen = sizeof sa;
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int client_fd, mode;
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u_int i;
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int fd;
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client_fd = accept(srv_fd, (struct sockaddr *) &sa, &slen);
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if (client_fd == -1) {
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fd = accept(srv_fd, (struct sockaddr *) &sa, &slen);
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if (fd == -1) {
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if (errno == EAGAIN || errno == EINTR || errno == ECONNABORTED)
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return (NULL);
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fatal("accept failed");
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}
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if ((mode = fcntl(client_fd, F_GETFL)) == -1)
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fatal("fcntl failed");
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if (fcntl(client_fd, F_SETFL, mode|O_NONBLOCK) == -1)
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fatal("fcntl failed");
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c = xcalloc(1, sizeof *c);
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c->fd = client_fd;
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c->in = buffer_create(BUFSIZ);
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c->out = buffer_create(BUFSIZ);
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ARRAY_INIT(&c->prompt_hdata);
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c->tty.fd = -1;
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c->title = NULL;
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c->session = NULL;
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c->sx = 80;
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c->sy = 25;
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screen_init(&c->status, c->sx, 1, 0);
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c->message_string = NULL;
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c->prompt_string = NULL;
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c->prompt_buffer = NULL;
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c->prompt_index = 0;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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if (ARRAY_ITEM(&clients, i) == NULL) {
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ARRAY_SET(&clients, i, c);
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return (c);
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}
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}
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ARRAY_ADD(&clients, c);
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return (c);
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return (server_create_client(fd));
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}
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/* Input data from client. */
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7
tmux.1
7
tmux.1
@ -1,4 +1,4 @@
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.\" $Id: tmux.1,v 1.66 2009-01-17 17:16:31 nicm Exp $
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.\" $Id: tmux.1,v 1.67 2009-01-19 17:16:09 nicm Exp $
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.\"
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.\" Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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.\"
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@ -345,6 +345,11 @@ Create a new client in the current terminal and attach it to a session.
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If
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.Fl d
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is specified, any other clients attached to the session are detached.
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.Pp
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If no server is started,
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.It attach-session
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will attempt to start it; this will fail unless sessions are created in the
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configuration file.
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.It Xo Ic bind-key
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.Ar key Ar command Op Ar arguments
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.Xc
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3
tmux.h
3
tmux.h
@ -1,4 +1,4 @@
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/* $Id: tmux.h,v 1.241 2009-01-18 21:46:30 nicm Exp $ */
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/* $Id: tmux.h,v 1.242 2009-01-19 17:16:09 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -1253,6 +1253,7 @@ const char *key_string_lookup_key(int);
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/* server.c */
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extern struct clients clients;
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struct client *server_create_client(int);
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int server_client_index(struct client *);
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int server_start(const char *);
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