682c34bbc3
Currently it rotates the log files every time it boots into the recovery mode. We lose useful logs after ten times. This CL changes the rotation condition so that it will rotate only if it performs some actual operations that modify the flash (installs, wipes, sideloads and etc). Bug: 19695622 Change-Id: Ie708ad955ef31aa500b6590c65faa72391705940
146 lines
4.1 KiB
C++
146 lines
4.1 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#include <dirent.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <fcntl.h>
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#include "ui.h"
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#include "cutils/properties.h"
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#include "install.h"
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#include "common.h"
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#include "adb_install.h"
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extern "C" {
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#include "minadbd/fuse_adb_provider.h"
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#include "fuse_sideload.h"
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}
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static RecoveryUI* ui = NULL;
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static void
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set_usb_driver(bool enabled) {
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int fd = open("/sys/class/android_usb/android0/enable", O_WRONLY);
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if (fd < 0) {
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ui->Print("failed to open driver control: %s\n", strerror(errno));
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return;
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}
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if (write(fd, enabled ? "1" : "0", 1) < 0) {
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ui->Print("failed to set driver control: %s\n", strerror(errno));
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}
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if (close(fd) < 0) {
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ui->Print("failed to close driver control: %s\n", strerror(errno));
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}
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}
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static void
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stop_adbd() {
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property_set("ctl.stop", "adbd");
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set_usb_driver(false);
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}
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static void
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maybe_restart_adbd() {
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if (is_ro_debuggable()) {
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ui->Print("Restarting adbd...\n");
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set_usb_driver(true);
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property_set("ctl.start", "adbd");
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}
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}
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// How long (in seconds) we wait for the host to start sending us a
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// package, before timing out.
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#define ADB_INSTALL_TIMEOUT 300
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int
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apply_from_adb(RecoveryUI* ui_, bool* wipe_cache, const char* install_file) {
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modified_flash = true;
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ui = ui_;
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stop_adbd();
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set_usb_driver(true);
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ui->Print("\n\nNow send the package you want to apply\n"
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"to the device with \"adb sideload <filename>\"...\n");
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pid_t child;
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if ((child = fork()) == 0) {
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execl("/sbin/recovery", "recovery", "--adbd", NULL);
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_exit(-1);
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}
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// FUSE_SIDELOAD_HOST_PATHNAME will start to exist once the host
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// connects and starts serving a package. Poll for its
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// appearance. (Note that inotify doesn't work with FUSE.)
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int result;
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int status;
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bool waited = false;
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struct stat st;
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for (int i = 0; i < ADB_INSTALL_TIMEOUT; ++i) {
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if (waitpid(child, &status, WNOHANG) != 0) {
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result = INSTALL_ERROR;
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waited = true;
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break;
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}
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if (stat(FUSE_SIDELOAD_HOST_PATHNAME, &st) != 0) {
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if (errno == ENOENT && i < ADB_INSTALL_TIMEOUT-1) {
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sleep(1);
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continue;
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} else {
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ui->Print("\nTimed out waiting for package.\n\n", strerror(errno));
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result = INSTALL_ERROR;
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kill(child, SIGKILL);
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break;
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}
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}
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result = install_package(FUSE_SIDELOAD_HOST_PATHNAME, wipe_cache, install_file, false);
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break;
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}
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if (!waited) {
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// Calling stat() on this magic filename signals the minadbd
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// subprocess to shut down.
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stat(FUSE_SIDELOAD_HOST_EXIT_PATHNAME, &st);
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// TODO(dougz): there should be a way to cancel waiting for a
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// package (by pushing some button combo on the device). For now
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// you just have to 'adb sideload' a file that's not a valid
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// package, like "/dev/null".
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waitpid(child, &status, 0);
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}
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if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
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if (WEXITSTATUS(status) == 3) {
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ui->Print("\nYou need adb 1.0.32 or newer to sideload\nto this device.\n\n");
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} else if (!WIFSIGNALED(status)) {
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ui->Print("\n(adbd status %d)\n", WEXITSTATUS(status));
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}
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}
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set_usb_driver(false);
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maybe_restart_adbd();
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return result;
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}
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