From 8231d17032fdd535e58c5aead8eae3f6cbc048b5 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Thu, 9 Jun 2016 03:13:06 -0400 Subject: ./move.sh --- src/grp-journal/libjournal-core/journald-console.c | 115 +++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 src/grp-journal/libjournal-core/journald-console.c (limited to 'src/grp-journal/libjournal-core/journald-console.c') diff --git a/src/grp-journal/libjournal-core/journald-console.c b/src/grp-journal/libjournal-core/journald-console.c new file mode 100644 index 0000000000..fcc9f25814 --- /dev/null +++ b/src/grp-journal/libjournal-core/journald-console.c @@ -0,0 +1,115 @@ +/*** + This file is part of systemd. + + Copyright 2011 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include +#include +#include + +#include "alloc-util.h" +#include "fd-util.h" +#include "fileio.h" +#include "formats-util.h" +#include "io-util.h" +#include "journald-console.h" +#include "journald-server.h" +#include "parse-util.h" +#include "process-util.h" +#include "stdio-util.h" +#include "terminal-util.h" + +static bool prefix_timestamp(void) { + + static int cached_printk_time = -1; + + if (_unlikely_(cached_printk_time < 0)) { + _cleanup_free_ char *p = NULL; + + cached_printk_time = + read_one_line_file("/sys/module/printk/parameters/time", &p) >= 0 + && parse_boolean(p) > 0; + } + + return cached_printk_time; +} + +void server_forward_console( + Server *s, + int priority, + const char *identifier, + const char *message, + const struct ucred *ucred) { + + struct iovec iovec[5]; + struct timespec ts; + char tbuf[sizeof("[] ")-1 + DECIMAL_STR_MAX(ts.tv_sec) + DECIMAL_STR_MAX(ts.tv_nsec)-3 + 1]; + char header_pid[sizeof("[]: ")-1 + DECIMAL_STR_MAX(pid_t)]; + int n = 0, fd; + _cleanup_free_ char *ident_buf = NULL; + const char *tty; + + assert(s); + assert(message); + + if (LOG_PRI(priority) > s->max_level_console) + return; + + /* First: timestamp */ + if (prefix_timestamp()) { + assert_se(clock_gettime(CLOCK_MONOTONIC, &ts) == 0); + xsprintf(tbuf, "[%5"PRI_TIME".%06ld] ", + ts.tv_sec, + ts.tv_nsec / 1000); + IOVEC_SET_STRING(iovec[n++], tbuf); + } + + /* Second: identifier and PID */ + if (ucred) { + if (!identifier) { + get_process_comm(ucred->pid, &ident_buf); + identifier = ident_buf; + } + + xsprintf(header_pid, "["PID_FMT"]: ", ucred->pid); + + if (identifier) + IOVEC_SET_STRING(iovec[n++], identifier); + + IOVEC_SET_STRING(iovec[n++], header_pid); + } else if (identifier) { + IOVEC_SET_STRING(iovec[n++], identifier); + IOVEC_SET_STRING(iovec[n++], ": "); + } + + /* Fourth: message */ + IOVEC_SET_STRING(iovec[n++], message); + IOVEC_SET_STRING(iovec[n++], "\n"); + + tty = s->tty_path ? s->tty_path : "/dev/console"; + + fd = open_terminal(tty, O_WRONLY|O_NOCTTY|O_CLOEXEC); + if (fd < 0) { + log_debug_errno(fd, "Failed to open %s for logging: %m", tty); + return; + } + + if (writev(fd, iovec, n) < 0) + log_debug_errno(errno, "Failed to write to %s for logging: %m", tty); + + safe_close(fd); +} -- cgit v1.2.3-54-g00ecf