Christopher Ferris | 9b73bf0 | 2015-01-20 19:18:59 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 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 | |
Felipe Leme | 3b65073 | 2016-08-05 19:29:29 +0000 | [diff] [blame] | 17 | #include <errno.h> |
Christopher Ferris | 9b73bf0 | 2015-01-20 19:18:59 -0800 | [diff] [blame] | 18 | #include <stdio.h> |
Felipe Leme | 3b65073 | 2016-08-05 19:29:29 +0000 | [diff] [blame] | 19 | #include <sys/socket.h> |
| 20 | #include <sys/types.h> |
| 21 | #include <unistd.h> |
Christopher Ferris | 9b73bf0 | 2015-01-20 19:18:59 -0800 | [diff] [blame] | 22 | |
Felipe Leme | 3b65073 | 2016-08-05 19:29:29 +0000 | [diff] [blame] | 23 | #include <cutils/properties.h> |
| 24 | #include <cutils/sockets.h> |
| 25 | |
| 26 | // This program will trigger the dumpstate service to start a call to |
| 27 | // dumpstate, then connect to the dumpstate local client to read the |
| 28 | // output. All of the dumpstate output is written to stdout, including |
| 29 | // any errors encountered while reading/writing the output. |
Christopher Ferris | 9b73bf0 | 2015-01-20 19:18:59 -0800 | [diff] [blame] | 30 | int main() { |
Felipe Leme | 3b65073 | 2016-08-05 19:29:29 +0000 | [diff] [blame] | 31 | |
| 32 | fprintf(stderr, "=============================================================================\n"); |
| 33 | fprintf(stderr, "WARNING: flat bugreports are deprecated, use adb bugreport <zip_file> instead\n"); |
| 34 | fprintf(stderr, "=============================================================================\n\n\n"); |
| 35 | |
| 36 | // Start the dumpstate service. |
| 37 | property_set("ctl.start", "dumpstate"); |
| 38 | |
| 39 | // Socket will not be available until service starts. |
| 40 | int s; |
| 41 | for (int i = 0; i < 20; i++) { |
| 42 | s = socket_local_client("dumpstate", ANDROID_SOCKET_NAMESPACE_RESERVED, |
| 43 | SOCK_STREAM); |
| 44 | if (s >= 0) |
| 45 | break; |
| 46 | // Try again in 1 second. |
| 47 | sleep(1); |
| 48 | } |
| 49 | |
| 50 | if (s == -1) { |
| 51 | printf("Failed to connect to dumpstate service: %s\n", strerror(errno)); |
| 52 | return 1; |
| 53 | } |
| 54 | |
| 55 | // Set a timeout so that if nothing is read in 3 minutes, we'll stop |
| 56 | // reading and quit. No timeout in dumpstate is longer than 60 seconds, |
| 57 | // so this gives lots of leeway in case of unforeseen time outs. |
| 58 | struct timeval tv; |
| 59 | tv.tv_sec = 3 * 60; |
| 60 | tv.tv_usec = 0; |
| 61 | if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) { |
| 62 | printf("WARNING: Cannot set socket timeout: %s\n", strerror(errno)); |
| 63 | } |
| 64 | |
| 65 | while (1) { |
| 66 | char buffer[65536]; |
| 67 | ssize_t bytes_read = TEMP_FAILURE_RETRY(read(s, buffer, sizeof(buffer))); |
| 68 | if (bytes_read == 0) { |
| 69 | break; |
| 70 | } else if (bytes_read == -1) { |
| 71 | // EAGAIN really means time out, so change the errno. |
| 72 | if (errno == EAGAIN) { |
| 73 | errno = ETIMEDOUT; |
| 74 | } |
| 75 | printf("\nBugreport read terminated abnormally (%s).\n", strerror(errno)); |
| 76 | break; |
| 77 | } |
| 78 | |
| 79 | ssize_t bytes_to_send = bytes_read; |
| 80 | ssize_t bytes_written; |
| 81 | do { |
| 82 | bytes_written = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, |
| 83 | buffer + bytes_read - bytes_to_send, |
| 84 | bytes_to_send)); |
| 85 | if (bytes_written == -1) { |
| 86 | printf("Failed to write data to stdout: read %zd, trying to send %zd (%s)\n", |
| 87 | bytes_read, bytes_to_send, strerror(errno)); |
| 88 | return 1; |
| 89 | } |
| 90 | bytes_to_send -= bytes_written; |
| 91 | } while (bytes_written != 0 && bytes_to_send > 0); |
| 92 | } |
| 93 | |
| 94 | close(s); |
| 95 | return 0; |
Christopher Ferris | 9b73bf0 | 2015-01-20 19:18:59 -0800 | [diff] [blame] | 96 | } |