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1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Intel Corporation nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #include <string.h> | |
35 | #include <stdio.h> | |
36 | #include <stdint.h> | |
37 | #include <sys/types.h> | |
38 | #include <syslog.h> | |
39 | #include <sys/queue.h> | |
40 | ||
41 | #include <rte_memory.h> | |
42 | #include <rte_memzone.h> | |
43 | #include <rte_eal.h> | |
44 | #include <rte_launch.h> | |
45 | #include <rte_per_lcore.h> | |
46 | #include <rte_lcore.h> | |
47 | #include <rte_spinlock.h> | |
48 | #include <rte_log.h> | |
49 | ||
50 | #include "eal_private.h" | |
51 | ||
52 | /* | |
53 | * default log function | |
54 | */ | |
55 | static ssize_t | |
56 | console_log_write(__attribute__((unused)) void *c, const char *buf, size_t size) | |
57 | { | |
58 | char copybuf[BUFSIZ + 1]; | |
59 | ssize_t ret; | |
60 | uint32_t loglevel; | |
61 | ||
62 | /* write on stdout */ | |
63 | ret = fwrite(buf, 1, size, stdout); | |
64 | fflush(stdout); | |
65 | ||
66 | /* truncate message if too big (should not happen) */ | |
67 | if (size > BUFSIZ) | |
68 | size = BUFSIZ; | |
69 | ||
70 | /* Syslog error levels are from 0 to 7, so subtract 1 to convert */ | |
71 | loglevel = rte_log_cur_msg_loglevel() - 1; | |
72 | memcpy(copybuf, buf, size); | |
73 | copybuf[size] = '\0'; | |
74 | ||
75 | /* write on syslog too */ | |
76 | syslog(loglevel, "%s", copybuf); | |
77 | ||
78 | return ret; | |
79 | } | |
80 | ||
81 | static cookie_io_functions_t console_log_func = { | |
82 | .write = console_log_write, | |
83 | }; | |
84 | ||
85 | /* | |
86 | * set the log to default function, called during eal init process, | |
87 | * once memzones are available. | |
88 | */ | |
89 | int | |
90 | rte_eal_log_init(const char *id, int facility) | |
91 | { | |
92 | FILE *log_stream; | |
93 | ||
94 | log_stream = fopencookie(NULL, "w+", console_log_func); | |
95 | if (log_stream == NULL) | |
96 | return -1; | |
97 | ||
98 | openlog(id, LOG_NDELAY | LOG_PID, facility); | |
99 | ||
100 | eal_log_set_default(log_stream); | |
101 | ||
102 | return 0; | |
103 | } |