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https://github.com/samba-team/samba.git
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f50db5cba5
Signed-off-by: Amitay Isaacs <amitay@gmail.com> Reviewed-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Michael Adam <obnox@samba.org>
122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/*
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ctdb logging code
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Copyright (C) Andrew Tridgell 2008
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "system/time.h"
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#include "system/filesys.h"
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#include "system/network.h"
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#include <talloc.h>
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#include "lib/util/debug.h"
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#include "lib/util/time_basic.h"
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#include "ctdb_private.h"
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#include "ctdb_client.h"
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#include "common/system.h"
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#define CTDB_LOG_FILE_PREFIX "file"
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struct file_state {
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int fd;
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};
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/*
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log file logging function
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*/
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static void ctdb_log_to_file(void *private_ptr, int dbglevel, const char *s)
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{
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struct file_state *state = talloc_get_type(
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private_ptr, struct file_state);
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struct timeval tv;
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struct timeval_buf tvbuf;
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char *s2 = NULL;
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int ret;
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GetTimeOfDay(&tv);
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timeval_str_buf(&tv, false, true, &tvbuf);
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ret = asprintf(&s2, "%s [%s%5u]: %s\n",
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tvbuf.buf,
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debug_extra, (unsigned)getpid(), s);
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if (ret == -1) {
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const char *errstr = "asprintf failed\n";
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sys_write(state->fd, errstr, strlen(errstr));
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return;
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}
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if (s2) {
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sys_write(state->fd, s2, strlen(s2));
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free(s2);
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}
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}
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static int file_state_destructor(struct file_state *state)
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{
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close(state->fd);
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state->fd = -1;
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return 0;
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}
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static int ctdb_log_setup_file(TALLOC_CTX *mem_ctx,
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const char *logging,
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const char *app_name)
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{
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struct file_state *state;
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const char *logfile;
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size_t l;
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l = strlen(CTDB_LOG_FILE_PREFIX);
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if (logging[l] != ':') {
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return EINVAL;
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}
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logfile = &logging[0] + l + 1;
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state = talloc_zero(mem_ctx, struct file_state);
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if (state == NULL) {
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return ENOMEM;
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}
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if (logfile == NULL || strcmp(logfile, "-") == 0) {
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int ret;
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state->fd = 1;
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/* also catch stderr of subcommands to stdout */
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ret = dup2(1, 2);
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if (ret == -1) {
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return errno;
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}
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} else {
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state->fd = open(logfile, O_WRONLY|O_APPEND|O_CREAT, 0666);
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if (state->fd == -1) {
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return errno;
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}
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}
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talloc_set_destructor(state, file_state_destructor);
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debug_set_callback(state, ctdb_log_to_file);
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return 0;
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}
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void ctdb_log_init_file(void)
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{
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ctdb_log_register_backend(CTDB_LOG_FILE_PREFIX, ctdb_log_setup_file);
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}
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