Annotation of src/usr.bin/tmux/control.c, Revision 1.12
1.12 ! nicm 1: /* $OpenBSD: control.c,v 1.11 2013/06/23 12:41:55 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2012 Nicholas Marriott <nicm@users.sourceforge.net>
5: * Copyright (c) 2012 George Nachman <tmux@georgester.com>
6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19:
20: #include <sys/types.h>
21:
22: #include <event.h>
1.2 nicm 23: #include <stdlib.h>
1.1 nicm 24: #include <string.h>
1.10 nicm 25: #include <time.h>
1.1 nicm 26:
27: #include "tmux.h"
28:
29: /* Write a line. */
30: void printflike2
31: control_write(struct client *c, const char *fmt, ...)
32: {
33: va_list ap;
34:
35: va_start(ap, fmt);
36: evbuffer_add_vprintf(c->stdout_data, fmt, ap);
37: va_end(ap);
38:
1.4 nicm 39: evbuffer_add(c->stdout_data, "\n", 1);
40: server_push_stdout(c);
41: }
42:
43: /* Write a buffer, adding a terminal newline. Empties buffer. */
44: void
45: control_write_buffer(struct client *c, struct evbuffer *buffer)
46: {
47: evbuffer_add_buffer(c->stdout_data, buffer);
1.1 nicm 48: evbuffer_add(c->stdout_data, "\n", 1);
49: server_push_stdout(c);
50: }
51:
52: /* Control input callback. Read lines and fire commands. */
53: void
54: control_callback(struct client *c, int closed, unused void *data)
55: {
56: char *line, *cause;
57: struct cmd_list *cmdlist;
1.11 nicm 58: struct cmd *cmd;
1.1 nicm 59:
60: if (closed)
61: c->flags |= CLIENT_EXIT;
62:
63: for (;;) {
64: line = evbuffer_readln(c->stdin_data, NULL, EVBUFFER_EOL_LF);
65: if (line == NULL)
66: break;
67: if (*line == '\0') { /* empty line exit */
68: c->flags |= CLIENT_EXIT;
69: break;
70: }
71:
1.8 nicm 72: if (cmd_string_parse(line, &cmdlist, NULL, 0, &cause) != 0) {
1.9 nicm 73: c->cmdq->time = time(NULL);
74: c->cmdq->number++;
75:
1.12 ! nicm 76: cmdq_guard(c->cmdq, "begin", 1);
1.9 nicm 77: control_write(c, "parse error: %s", cause);
1.12 ! nicm 78: cmdq_guard(c->cmdq, "error", 1);
1.9 nicm 79:
1.2 nicm 80: free(cause);
1.1 nicm 81: } else {
1.11 nicm 82: TAILQ_FOREACH(cmd, &cmdlist->list, qentry)
83: cmd->flags |= CMD_CONTROL;
1.8 nicm 84: cmdq_run(c->cmdq, cmdlist);
1.1 nicm 85: cmd_list_free(cmdlist);
86: }
87:
1.2 nicm 88: free(line);
1.1 nicm 89: }
90: }