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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  */
     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 
     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 
     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