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1 /*
2  * Copyright (c) 2008, The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *  * Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *  * Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *    the documentation and/or other materials provided with the
13  *    distribution.
14  *  * Neither the name of Google, Inc. nor the names of its contributors
15  *    may be used to endorse or promote products derived from this
16  *    software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
28  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <stdio.h>
33 #include <cutils/logd.h>
34 #include <ctype.h>
35 #include <sys/socket.h>
36 #include <sys/types.h>
37 #include <stdlib.h>
38 #include <cutils/sockets.h>
39 #include <unistd.h>
40 
41 /*
42  * Note: also accepts 0-9 priorities
43  * returns ANDROID_LOG_UNKNOWN if the character is unrecognized
44  */
filterCharToPri(char c)45 static android_LogPriority filterCharToPri (char c)
46 {
47     android_LogPriority pri;
48 
49     c = tolower(c);
50 
51     if (c >= '0' && c <= '9') {
52         if (c >= ('0'+ANDROID_LOG_SILENT)) {
53             pri = ANDROID_LOG_VERBOSE;
54         } else {
55             pri = (android_LogPriority)(c - '0');
56         }
57     } else if (c == 'v') {
58         pri = ANDROID_LOG_VERBOSE;
59     } else if (c == 'd') {
60         pri = ANDROID_LOG_DEBUG;
61     } else if (c == 'i') {
62         pri = ANDROID_LOG_INFO;
63     } else if (c == 'w') {
64         pri = ANDROID_LOG_WARN;
65     } else if (c == 'e') {
66         pri = ANDROID_LOG_ERROR;
67     } else if (c == 'f') {
68         pri = ANDROID_LOG_FATAL;
69     } else if (c == 's') {
70         pri = ANDROID_LOG_SILENT;
71     } else if (c == '*') {
72         pri = ANDROID_LOG_DEFAULT;
73     } else {
74         pri = ANDROID_LOG_UNKNOWN;
75     }
76 
77     return pri;
78 }
79 
usage(const char * s)80 static int usage(const char *s)
81 {
82     fprintf(stderr, "USAGE: %s [-p priorityChar] [-t tag] message\n", s);
83 
84     fprintf(stderr, "\tpriorityChar should be one of:\n"
85                         "\t\tv,d,i,w,e\n");
86     exit(-1);
87 }
88 
89 
log_main(int argc,char * argv[])90 int log_main(int argc, char *argv[])
91 {
92     android_LogPriority priority;
93     const char *tag = "log";
94     char buffer[4096];
95     int i;
96 
97     priority = ANDROID_LOG_INFO;
98 
99     for (;;) {
100         int ret;
101 
102         ret = getopt(argc, argv, "t:p:h");
103 
104         if (ret < 0) {
105             break;
106         }
107 
108         switch(ret) {
109             case 't':
110                 tag = optarg;
111             break;
112 
113             case 'p':
114                 priority = filterCharToPri(optarg[0]);
115                 if (priority == ANDROID_LOG_UNKNOWN) {
116                     usage(argv[0]);
117                 }
118             break;
119 
120             case 'h':
121                 usage(argv[0]);
122             break;
123         }
124     }
125 
126     if (optind == argc) {
127         usage(argv[0]);
128     }
129 
130     buffer[0] = '\0';
131 
132     for (i = optind ; i < argc ; i++) {
133         strncat(buffer, argv[i], sizeof(buffer)-1);
134         strncat(buffer, " ", sizeof(buffer)-1);
135     }
136 
137     if(buffer[0] == 0) {
138         usage(argv[0]);
139     }
140 
141     __android_log_print(priority, tag, "%s", buffer);
142 
143     return 0;
144 }
145 
146