Return to control.c CVS log

Up to [local] / src / usr.bin / tmux

Annotation of src/usr.bin/tmux/control.c, Revision 1.13

1.13    ! nicm        1: /* $OpenBSD: control.c,v 1.12 2013/10/10 11:45:29 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. */
1.13    ! nicm       30: void
1.1       nicm       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: }