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control.c    91 lines (75 with data), 2.4 kB

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/* $Id$ */
/*
* Copyright (c) 2012 Nicholas Marriott <nicm@users.sourceforge.net>
* Copyright (c) 2012 George Nachman <tmux@georgester.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <event.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "tmux.h"
/* Write a line. */
void printflike2
control_write(struct client *c, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
evbuffer_add_vprintf(c->stdout_data, fmt, ap);
va_end(ap);
evbuffer_add(c->stdout_data, "\n", 1);
server_push_stdout(c);
}
/* Write a buffer, adding a terminal newline. Empties buffer. */
void
control_write_buffer(struct client *c, struct evbuffer *buffer)
{
evbuffer_add_buffer(c->stdout_data, buffer);
evbuffer_add(c->stdout_data, "\n", 1);
server_push_stdout(c);
}
/* Control input callback. Read lines and fire commands. */
void
control_callback(struct client *c, int closed, unused void *data)
{
char *line, *cause;
struct cmd_list *cmdlist;
struct cmd *cmd;
if (closed)
c->flags |= CLIENT_EXIT;
for (;;) {
line = evbuffer_readln(c->stdin_data, NULL, EVBUFFER_EOL_LF);
if (line == NULL)
break;
if (*line == '\0') { /* empty line exit */
c->flags |= CLIENT_EXIT;
break;
}
if (cmd_string_parse(line, &cmdlist, NULL, 0, &cause) != 0) {
c->cmdq->time = time(NULL);
c->cmdq->number++;
cmdq_guard(c->cmdq, "begin", 1);
control_write(c, "parse error: %s", cause);
cmdq_guard(c->cmdq, "error", 1);
free(cause);
} else {
TAILQ_FOREACH(cmd, &cmdlist->list, qentry)
cmd->flags |= CMD_CONTROL;
cmdq_run(c->cmdq, cmdlist);
cmd_list_free(cmdlist);
}
free(line);
}
}