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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <errno.h>
     18 #include <getopt.h>
     19 #include <stdio.h>
     20 #include <sys/socket.h>
     21 #include <sys/types.h>
     22 #include <unistd.h>
     23 
     24 #include <cutils/properties.h>
     25 #include <cutils/sockets.h>
     26 
     27 #include "bugreportz.h"
     28 
     29 static constexpr char VERSION[] = "1.1";
     30 
     31 static void show_usage() {
     32     fprintf(stderr,
     33             "usage: bugreportz [-h | -v]\n"
     34             "  -h: to display this help message\n"
     35             "  -p: display progress\n"
     36             "  -v: to display the version\n"
     37             "  or no arguments to generate a zipped bugreport\n");
     38 }
     39 
     40 static void show_version() {
     41     fprintf(stderr, "%s\n", VERSION);
     42 }
     43 
     44 int main(int argc, char* argv[]) {
     45     bool show_progress = false;
     46     if (argc > 1) {
     47         /* parse arguments */
     48         int c;
     49         while ((c = getopt(argc, argv, "hpv")) != -1) {
     50             switch (c) {
     51                 case 'h':
     52                     show_usage();
     53                     return EXIT_SUCCESS;
     54                 case 'p':
     55                     show_progress = true;
     56                     break;
     57                 case 'v':
     58                     show_version();
     59                     return EXIT_SUCCESS;
     60                 default:
     61                     show_usage();
     62                     return EXIT_FAILURE;
     63             }
     64         }
     65     }
     66 
     67     // TODO: code below was copy-and-pasted from bugreport.cpp (except by the
     68     // timeout value);
     69     // should be reused instead.
     70 
     71     // Start the dumpstatez service.
     72     property_set("ctl.start", "dumpstatez");
     73 
     74     // Socket will not be available until service starts.
     75     int s;
     76     for (int i = 0; i < 20; i++) {
     77         s = socket_local_client("dumpstate", ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
     78         if (s >= 0) break;
     79         // Try again in 1 second.
     80         sleep(1);
     81     }
     82 
     83     if (s == -1) {
     84         printf("FAIL:Failed to connect to dumpstatez service: %s\n", strerror(errno));
     85         return EXIT_FAILURE;
     86     }
     87 
     88     // Set a timeout so that if nothing is read in 10 minutes, we'll stop
     89     // reading and quit. No timeout in dumpstate is longer than 60 seconds,
     90     // so this gives lots of leeway in case of unforeseen time outs.
     91     struct timeval tv;
     92     tv.tv_sec = 10 * 60;
     93     tv.tv_usec = 0;
     94     if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) {
     95         fprintf(stderr,
     96                 "WARNING: Cannot set socket timeout, bugreportz might hang indefinitely: %s\n",
     97                 strerror(errno));
     98     }
     99 
    100     int ret = bugreportz(s, show_progress);
    101 
    102     if (close(s) == -1) {
    103         fprintf(stderr, "WARNING: error closing socket: %s\n", strerror(errno));
    104         ret = EXIT_FAILURE;
    105     }
    106     return ret;
    107 }
    108