| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <string> |
| |
| #include <android-base/file.h> |
| #include <android-base/strings.h> |
| |
| #include "bugreportz.h" |
| |
| static constexpr char BEGIN_PREFIX[] = "BEGIN:"; |
| static constexpr char PROGRESS_PREFIX[] = "PROGRESS:"; |
| |
| static void write_line(const std::string& line, bool show_progress) { |
| if (line.empty()) return; |
| |
| // When not invoked with the -p option, it must skip BEGIN and PROGRESS lines otherwise it |
| // will break adb (which is expecting either OK or FAIL). |
| if (!show_progress && (android::base::StartsWith(line, PROGRESS_PREFIX) || |
| android::base::StartsWith(line, BEGIN_PREFIX))) |
| return; |
| |
| android::base::WriteStringToFd(line, STDOUT_FILENO); |
| } |
| |
| int bugreportz(int s, bool show_progress) { |
| std::string line; |
| while (1) { |
| char buffer[65536]; |
| ssize_t bytes_read = TEMP_FAILURE_RETRY(read(s, buffer, sizeof(buffer))); |
| if (bytes_read == 0) { |
| break; |
| } else if (bytes_read == -1) { |
| // EAGAIN really means time out, so change the errno. |
| if (errno == EAGAIN) { |
| errno = ETIMEDOUT; |
| } |
| printf("FAIL:Bugreport read terminated abnormally (%s)\n", strerror(errno)); |
| return EXIT_FAILURE; |
| } |
| |
| // Writes line by line. |
| for (int i = 0; i < bytes_read; i++) { |
| char c = buffer[i]; |
| line.append(1, c); |
| if (c == '\n') { |
| write_line(line, show_progress); |
| line.clear(); |
| } |
| } |
| } |
| // Process final line, in case it didn't finish with newline |
| write_line(line, show_progress); |
| |
| return EXIT_SUCCESS; |
| } |