19b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris/* 29b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * Copyright (C) 2009 The Android Open Source Project 39b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * 49b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * Licensed under the Apache License, Version 2.0 (the "License"); 59b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * you may not use this file except in compliance with the License. 69b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * You may obtain a copy of the License at 79b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * 89b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * http://www.apache.org/licenses/LICENSE-2.0 99b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * 109b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * Unless required by applicable law or agreed to in writing, software 119b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * distributed under the License is distributed on an "AS IS" BASIS, 129b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * See the License for the specific language governing permissions and 149b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris * limitations under the License. 159b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris */ 169b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris 173b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme#include <errno.h> 189b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris#include <stdio.h> 193b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme#include <sys/socket.h> 203b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme#include <sys/types.h> 213b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme#include <unistd.h> 229b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris 233b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme#include <cutils/properties.h> 243b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme#include <cutils/sockets.h> 253b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 263b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme// This program will trigger the dumpstate service to start a call to 273b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme// dumpstate, then connect to the dumpstate local client to read the 283b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme// output. All of the dumpstate output is written to stdout, including 293b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme// any errors encountered while reading/writing the output. 309b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferrisint main() { 313b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 323b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme fprintf(stderr, "=============================================================================\n"); 333b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme fprintf(stderr, "WARNING: flat bugreports are deprecated, use adb bugreport <zip_file> instead\n"); 343b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme fprintf(stderr, "=============================================================================\n\n\n"); 353b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 363b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme // Start the dumpstate service. 373b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme property_set("ctl.start", "dumpstate"); 383b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 393b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme // Socket will not be available until service starts. 403b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme int s; 413b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme for (int i = 0; i < 20; i++) { 423b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme s = socket_local_client("dumpstate", ANDROID_SOCKET_NAMESPACE_RESERVED, 433b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme SOCK_STREAM); 443b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme if (s >= 0) 453b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme break; 463b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme // Try again in 1 second. 473b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme sleep(1); 483b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } 493b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 503b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme if (s == -1) { 513b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme printf("Failed to connect to dumpstate service: %s\n", strerror(errno)); 523b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme return 1; 533b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } 543b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 553b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme // Set a timeout so that if nothing is read in 3 minutes, we'll stop 563b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme // reading and quit. No timeout in dumpstate is longer than 60 seconds, 573b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme // so this gives lots of leeway in case of unforeseen time outs. 583b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme struct timeval tv; 593b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme tv.tv_sec = 3 * 60; 603b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme tv.tv_usec = 0; 613b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme if (setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) { 623b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme printf("WARNING: Cannot set socket timeout: %s\n", strerror(errno)); 633b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } 643b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 653b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme while (1) { 663b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme char buffer[65536]; 673b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme ssize_t bytes_read = TEMP_FAILURE_RETRY(read(s, buffer, sizeof(buffer))); 683b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme if (bytes_read == 0) { 693b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme break; 703b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } else if (bytes_read == -1) { 713b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme // EAGAIN really means time out, so change the errno. 723b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme if (errno == EAGAIN) { 733b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme errno = ETIMEDOUT; 743b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } 753b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme printf("\nBugreport read terminated abnormally (%s).\n", strerror(errno)); 763b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme break; 773b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } 783b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 793b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme ssize_t bytes_to_send = bytes_read; 803b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme ssize_t bytes_written; 813b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme do { 823b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme bytes_written = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, 833b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme buffer + bytes_read - bytes_to_send, 843b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme bytes_to_send)); 853b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme if (bytes_written == -1) { 863b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme printf("Failed to write data to stdout: read %zd, trying to send %zd (%s)\n", 873b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme bytes_read, bytes_to_send, strerror(errno)); 883b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme return 1; 893b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } 903b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme bytes_to_send -= bytes_written; 913b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } while (bytes_written != 0 && bytes_to_send > 0); 923b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme } 933b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme 943b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme close(s); 953b650731d31f5ebc131068ae6cde811cb118672eFelipe Leme return 0; 969b73bf07d73dbab5b792632e1e233edbad77f5fdChristopher Ferris} 97