ceph/src/spdk/dpdk/lib/librte_eal/linux/eal/eal_log.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <string.h>
   6 #include <stdio.h>
   7 #include <stdint.h>
   8 #include <sys/types.h>
   9 #include <syslog.h>
  10 #include <sys/queue.h>
  11
  12 #include <rte_memory.h>
  13 #include <rte_eal.h>
  14 #include <rte_launch.h>
  15 #include <rte_per_lcore.h>
  16 #include <rte_lcore.h>
  17 #include <rte_spinlock.h>
  18 #include <rte_log.h>
  19
  20 #include "eal_private.h"
  21
  22 /*
  23  * default log function
  24  */
  25 static ssize_t
  26 console_log_write(__attribute__((unused)) void *c, const char *buf, size_t size)
  27 {
  28         ssize_t ret;
  29
  30         /* write on stdout */
  31         ret = fwrite(buf, 1, size, stdout);
  32         fflush(stdout);
  33
  34         /* Syslog error levels are from 0 to 7, so subtract 1 to convert */
  35         syslog(rte_log_cur_msg_loglevel() - 1, "%.*s", (int)size, buf);
  36
  37         return ret;
  38 }
  39
  40 static cookie_io_functions_t console_log_func = {
  41         .write = console_log_write,
  42 };
  43
  44 /*
  45  * set the log to default function, called during eal init process,
  46  * once memzones are available.
  47  */
  48 int
  49 rte_eal_log_init(const char *id, int facility)
  50 {
  51         FILE *log_stream;
  52
  53         log_stream = fopencookie(NULL, "w+", console_log_func);
  54         if (log_stream == NULL)
  55                 return -1;
  56
  57         openlog(id, LOG_NDELAY | LOG_PID, facility);
  58
  59         eal_log_set_default(log_stream);
  60
  61         return 0;
  62 }