| // |
| // Copyright (C) 2012 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 "update_engine/payload_state.h" |
| |
| #include <algorithm> |
| #include <string> |
| |
| #include <base/logging.h> |
| #include <base/strings/string_util.h> |
| #include <base/strings/stringprintf.h> |
| #include <metrics/metrics_library.h> |
| #include <policy/device_policy.h> |
| |
| #include "update_engine/common/clock.h" |
| #include "update_engine/common/constants.h" |
| #include "update_engine/common/error_code_utils.h" |
| #include "update_engine/common/hardware_interface.h" |
| #include "update_engine/common/prefs.h" |
| #include "update_engine/common/utils.h" |
| #include "update_engine/connection_manager_interface.h" |
| #include "update_engine/metrics_utils.h" |
| #include "update_engine/omaha_request_params.h" |
| #include "update_engine/payload_consumer/install_plan.h" |
| #include "update_engine/system_state.h" |
| |
| using base::Time; |
| using base::TimeDelta; |
| using std::min; |
| using std::string; |
| |
| namespace chromeos_update_engine { |
| |
| const TimeDelta PayloadState::kDurationSlack = TimeDelta::FromSeconds(600); |
| |
| // We want to upperbound backoffs to 16 days |
| static const int kMaxBackoffDays = 16; |
| |
| // We want to randomize retry attempts after the backoff by +/- 6 hours. |
| static const uint32_t kMaxBackoffFuzzMinutes = 12 * 60; |
| |
| PayloadState::PayloadState() |
| : prefs_(nullptr), |
| using_p2p_for_downloading_(false), |
| p2p_num_attempts_(0), |
| payload_attempt_number_(0), |
| full_payload_attempt_number_(0), |
| url_index_(0), |
| url_failure_count_(0), |
| url_switch_count_(0), |
| attempt_num_bytes_downloaded_(0), |
| attempt_connection_type_(metrics::ConnectionType::kUnknown), |
| attempt_error_code_(ErrorCode::kSuccess), |
| attempt_type_(AttemptType::kUpdate) { |
| for (int i = 0; i <= kNumDownloadSources; i++) |
| total_bytes_downloaded_[i] = current_bytes_downloaded_[i] = 0; |
| } |
| |
| bool PayloadState::Initialize(SystemState* system_state) { |
| system_state_ = system_state; |
| prefs_ = system_state_->prefs(); |
| powerwash_safe_prefs_ = system_state_->powerwash_safe_prefs(); |
| LoadResponseSignature(); |
| LoadPayloadAttemptNumber(); |
| LoadFullPayloadAttemptNumber(); |
| LoadUrlIndex(); |
| LoadUrlFailureCount(); |
| LoadUrlSwitchCount(); |
| LoadBackoffExpiryTime(); |
| LoadUpdateTimestampStart(); |
| // The LoadUpdateDurationUptime() method relies on LoadUpdateTimestampStart() |
| // being called before it. Don't reorder. |
| LoadUpdateDurationUptime(); |
| for (int i = 0; i < kNumDownloadSources; i++) { |
| DownloadSource source = static_cast<DownloadSource>(i); |
| LoadCurrentBytesDownloaded(source); |
| LoadTotalBytesDownloaded(source); |
| } |
| LoadNumReboots(); |
| LoadNumResponsesSeen(); |
| LoadRollbackVersion(); |
| LoadP2PFirstAttemptTimestamp(); |
| LoadP2PNumAttempts(); |
| return true; |
| } |
| |
| void PayloadState::SetResponse(const OmahaResponse& omaha_response) { |
| // Always store the latest response. |
| response_ = omaha_response; |
| |
| // Compute the candidate URLs first as they are used to calculate the |
| // response signature so that a change in enterprise policy for |
| // HTTP downloads being enabled or not could be honored as soon as the |
| // next update check happens. |
| ComputeCandidateUrls(); |
| |
| // Check if the "signature" of this response (i.e. the fields we care about) |
| // has changed. |
| string new_response_signature = CalculateResponseSignature(); |
| bool has_response_changed = (response_signature_ != new_response_signature); |
| |
| // If the response has changed, we should persist the new signature and |
| // clear away all the existing state. |
| if (has_response_changed) { |
| LOG(INFO) << "Resetting all persisted state as this is a new response"; |
| SetNumResponsesSeen(num_responses_seen_ + 1); |
| SetResponseSignature(new_response_signature); |
| ResetPersistedState(); |
| return; |
| } |
| |
| // This is the earliest point at which we can validate whether the URL index |
| // we loaded from the persisted state is a valid value. If the response |
| // hasn't changed but the URL index is invalid, it's indicative of some |
| // tampering of the persisted state. |
| if (payload_index_ >= candidate_urls_.size() || |
| url_index_ >= candidate_urls_[payload_index_].size()) { |
| LOG(INFO) << "Resetting all payload state as the url index seems to have " |
| "been tampered with"; |
| ResetPersistedState(); |
| return; |
| } |
| |
| // Update the current download source which depends on the latest value of |
| // the response. |
| UpdateCurrentDownloadSource(); |
| } |
| |
| void PayloadState::SetUsingP2PForDownloading(bool value) { |
| using_p2p_for_downloading_ = value; |
| // Update the current download source which depends on whether we are |
| // using p2p or not. |
| UpdateCurrentDownloadSource(); |
| } |
| |
| void PayloadState::DownloadComplete() { |
| LOG(INFO) << "Payload downloaded successfully"; |
| IncrementPayloadAttemptNumber(); |
| IncrementFullPayloadAttemptNumber(); |
| } |
| |
| void PayloadState::DownloadProgress(size_t count) { |
| if (count == 0) |
| return; |
| |
| CalculateUpdateDurationUptime(); |
| UpdateBytesDownloaded(count); |
| |
| // We've received non-zero bytes from a recent download operation. Since our |
| // URL failure count is meant to penalize a URL only for consecutive |
| // failures, downloading bytes successfully means we should reset the failure |
| // count (as we know at least that the URL is working). In future, we can |
| // design this to be more sophisticated to check for more intelligent failure |
| // patterns, but right now, even 1 byte downloaded will mark the URL to be |
| // good unless it hits 10 (or configured number of) consecutive failures |
| // again. |
| |
| if (GetUrlFailureCount() == 0) |
| return; |
| |
| LOG(INFO) << "Resetting failure count of Url" << GetUrlIndex() |
| << " to 0 as we received " << count << " bytes successfully"; |
| SetUrlFailureCount(0); |
| } |
| |
| void PayloadState::AttemptStarted(AttemptType attempt_type) { |
| // Flush previous state from abnormal attempt failure, if any. |
| ReportAndClearPersistedAttemptMetrics(); |
| |
| attempt_type_ = attempt_type; |
| |
| ClockInterface *clock = system_state_->clock(); |
| attempt_start_time_boot_ = clock->GetBootTime(); |
| attempt_start_time_monotonic_ = clock->GetMonotonicTime(); |
| attempt_num_bytes_downloaded_ = 0; |
| |
| metrics::ConnectionType type; |
| ConnectionType network_connection_type; |
| ConnectionTethering tethering; |
| ConnectionManagerInterface* connection_manager = |
| system_state_->connection_manager(); |
| if (!connection_manager->GetConnectionProperties(&network_connection_type, |
| &tethering)) { |
| LOG(ERROR) << "Failed to determine connection type."; |
| type = metrics::ConnectionType::kUnknown; |
| } else { |
| type = metrics_utils::GetConnectionType(network_connection_type, tethering); |
| } |
| attempt_connection_type_ = type; |
| |
| if (attempt_type == AttemptType::kUpdate) |
| PersistAttemptMetrics(); |
| } |
| |
| void PayloadState::UpdateResumed() { |
| LOG(INFO) << "Resuming an update that was previously started."; |
| UpdateNumReboots(); |
| AttemptStarted(AttemptType::kUpdate); |
| } |
| |
| void PayloadState::UpdateRestarted() { |
| LOG(INFO) << "Starting a new update"; |
| ResetDownloadSourcesOnNewUpdate(); |
| SetNumReboots(0); |
| AttemptStarted(AttemptType::kUpdate); |
| } |
| |
| void PayloadState::UpdateSucceeded() { |
| // Send the relevant metrics that are tracked in this class to UMA. |
| CalculateUpdateDurationUptime(); |
| SetUpdateTimestampEnd(system_state_->clock()->GetWallclockTime()); |
| |
| switch (attempt_type_) { |
| case AttemptType::kUpdate: |
| CollectAndReportAttemptMetrics(ErrorCode::kSuccess); |
| CollectAndReportSuccessfulUpdateMetrics(); |
| ClearPersistedAttemptMetrics(); |
| break; |
| |
| case AttemptType::kRollback: |
| metrics::ReportRollbackMetrics(system_state_, |
| metrics::RollbackResult::kSuccess); |
| break; |
| } |
| attempt_error_code_ = ErrorCode::kSuccess; |
| |
| // Reset the number of responses seen since it counts from the last |
| // successful update, e.g. now. |
| SetNumResponsesSeen(0); |
| |
| CreateSystemUpdatedMarkerFile(); |
| } |
| |
| void PayloadState::UpdateFailed(ErrorCode error) { |
| ErrorCode base_error = utils::GetBaseErrorCode(error); |
| LOG(INFO) << "Updating payload state for error code: " << base_error |
| << " (" << utils::ErrorCodeToString(base_error) << ")"; |
| attempt_error_code_ = base_error; |
| |
| if (candidate_urls_.size() == 0) { |
| // This means we got this error even before we got a valid Omaha response |
| // or don't have any valid candidates in the Omaha response. |
| // So we should not advance the url_index_ in such cases. |
| LOG(INFO) << "Ignoring failures until we get a valid Omaha response."; |
| return; |
| } |
| |
| switch (attempt_type_) { |
| case AttemptType::kUpdate: |
| CollectAndReportAttemptMetrics(base_error); |
| ClearPersistedAttemptMetrics(); |
| break; |
| |
| case AttemptType::kRollback: |
| metrics::ReportRollbackMetrics(system_state_, |
| metrics::RollbackResult::kFailed); |
| break; |
| } |
| |
| |
| switch (base_error) { |
| // Errors which are good indicators of a problem with a particular URL or |
| // the protocol used in the URL or entities in the communication channel |
| // (e.g. proxies). We should try the next available URL in the next update |
| // check to quickly recover from these errors. |
| case ErrorCode::kPayloadHashMismatchError: |
| case ErrorCode::kPayloadSizeMismatchError: |
| case ErrorCode::kDownloadPayloadVerificationError: |
| case ErrorCode::kDownloadPayloadPubKeyVerificationError: |
| case ErrorCode::kSignedDeltaPayloadExpectedError: |
| case ErrorCode::kDownloadInvalidMetadataMagicString: |
| case ErrorCode::kDownloadSignatureMissingInManifest: |
| case ErrorCode::kDownloadManifestParseError: |
| case ErrorCode::kDownloadMetadataSignatureError: |
| case ErrorCode::kDownloadMetadataSignatureVerificationError: |
| case ErrorCode::kDownloadMetadataSignatureMismatch: |
| case ErrorCode::kDownloadOperationHashVerificationError: |
| case ErrorCode::kDownloadOperationExecutionError: |
| case ErrorCode::kDownloadOperationHashMismatch: |
| case ErrorCode::kDownloadInvalidMetadataSize: |
| case ErrorCode::kDownloadInvalidMetadataSignature: |
| case ErrorCode::kDownloadOperationHashMissingError: |
| case ErrorCode::kDownloadMetadataSignatureMissingError: |
| case ErrorCode::kPayloadMismatchedType: |
| case ErrorCode::kUnsupportedMajorPayloadVersion: |
| case ErrorCode::kUnsupportedMinorPayloadVersion: |
| IncrementUrlIndex(); |
| break; |
| |
| // Errors which seem to be just transient network/communication related |
| // failures and do not indicate any inherent problem with the URL itself. |
| // So, we should keep the current URL but just increment the |
| // failure count to give it more chances. This way, while we maximize our |
| // chances of downloading from the URLs that appear earlier in the response |
| // (because download from a local server URL that appears earlier in a |
| // response is preferable than downloading from the next URL which could be |
| // a internet URL and thus could be more expensive). |
| |
| case ErrorCode::kError: |
| case ErrorCode::kDownloadTransferError: |
| case ErrorCode::kDownloadWriteError: |
| case ErrorCode::kDownloadStateInitializationError: |
| case ErrorCode::kOmahaErrorInHTTPResponse: // Aggregate for HTTP errors. |
| IncrementFailureCount(); |
| break; |
| |
| // Errors which are not specific to a URL and hence shouldn't result in |
| // the URL being penalized. This can happen in two cases: |
| // 1. We haven't started downloading anything: These errors don't cost us |
| // anything in terms of actual payload bytes, so we should just do the |
| // regular retries at the next update check. |
| // 2. We have successfully downloaded the payload: In this case, the |
| // payload attempt number would have been incremented and would take care |
| // of the backoff at the next update check. |
| // In either case, there's no need to update URL index or failure count. |
| case ErrorCode::kOmahaRequestError: |
| case ErrorCode::kOmahaResponseHandlerError: |
| case ErrorCode::kPostinstallRunnerError: |
| case ErrorCode::kFilesystemCopierError: |
| case ErrorCode::kInstallDeviceOpenError: |
| case ErrorCode::kKernelDeviceOpenError: |
| case ErrorCode::kDownloadNewPartitionInfoError: |
| case ErrorCode::kNewRootfsVerificationError: |
| case ErrorCode::kNewKernelVerificationError: |
| case ErrorCode::kPostinstallBootedFromFirmwareB: |
| case ErrorCode::kPostinstallFirmwareRONotUpdatable: |
| case ErrorCode::kOmahaRequestEmptyResponseError: |
| case ErrorCode::kOmahaRequestXMLParseError: |
| case ErrorCode::kOmahaResponseInvalid: |
| case ErrorCode::kOmahaUpdateIgnoredPerPolicy: |
| case ErrorCode::kOmahaUpdateDeferredPerPolicy: |
| case ErrorCode::kNonCriticalUpdateInOOBE: |
| case ErrorCode::kOmahaUpdateDeferredForBackoff: |
| case ErrorCode::kPostinstallPowerwashError: |
| case ErrorCode::kUpdateCanceledByChannelChange: |
| case ErrorCode::kOmahaRequestXMLHasEntityDecl: |
| case ErrorCode::kFilesystemVerifierError: |
| case ErrorCode::kUserCanceled: |
| LOG(INFO) << "Not incrementing URL index or failure count for this error"; |
| break; |
| |
| case ErrorCode::kSuccess: // success code |
| case ErrorCode::kUmaReportedMax: // not an error code |
| case ErrorCode::kOmahaRequestHTTPResponseBase: // aggregated already |
| case ErrorCode::kDevModeFlag: // not an error code |
| case ErrorCode::kResumedFlag: // not an error code |
| case ErrorCode::kTestImageFlag: // not an error code |
| case ErrorCode::kTestOmahaUrlFlag: // not an error code |
| case ErrorCode::kSpecialFlags: // not an error code |
| // These shouldn't happen. Enumerating these explicitly here so that we |
| // can let the compiler warn about new error codes that are added to |
| // action_processor.h but not added here. |
| LOG(WARNING) << "Unexpected error code for UpdateFailed"; |
| break; |
| |
| // Note: Not adding a default here so as to let the compiler warn us of |
| // any new enums that were added in the .h but not listed in this switch. |
| } |
| } |
| |
| bool PayloadState::ShouldBackoffDownload() { |
| if (response_.disable_payload_backoff) { |
| LOG(INFO) << "Payload backoff logic is disabled. " |
| "Can proceed with the download"; |
| return false; |
| } |
| if (GetUsingP2PForDownloading() && !GetP2PUrl().empty()) { |
| LOG(INFO) << "Payload backoff logic is disabled because download " |
| << "will happen from local peer (via p2p)."; |
| return false; |
| } |
| if (system_state_->request_params()->interactive()) { |
| LOG(INFO) << "Payload backoff disabled for interactive update checks."; |
| return false; |
| } |
| if (response_.is_delta_payload) { |
| // If delta payloads fail, we want to fallback quickly to full payloads as |
| // they are more likely to succeed. Exponential backoffs would greatly |
| // slow down the fallback to full payloads. So we don't backoff for delta |
| // payloads. |
| LOG(INFO) << "No backoffs for delta payloads. " |
| << "Can proceed with the download"; |
| return false; |
| } |
| |
| if (!system_state_->hardware()->IsOfficialBuild()) { |
| // Backoffs are needed only for official builds. We do not want any delays |
| // or update failures due to backoffs during testing or development. |
| LOG(INFO) << "No backoffs for test/dev images. " |
| << "Can proceed with the download"; |
| return false; |
| } |
| |
| if (backoff_expiry_time_.is_null()) { |
| LOG(INFO) << "No backoff expiry time has been set. " |
| << "Can proceed with the download"; |
| return false; |
| } |
| |
| if (backoff_expiry_time_ < Time::Now()) { |
| LOG(INFO) << "The backoff expiry time (" |
| << utils::ToString(backoff_expiry_time_) |
| << ") has elapsed. Can proceed with the download"; |
| return false; |
| } |
| |
| LOG(INFO) << "Cannot proceed with downloads as we need to backoff until " |
| << utils::ToString(backoff_expiry_time_); |
| return true; |
| } |
| |
| void PayloadState::Rollback() { |
| SetRollbackVersion(system_state_->request_params()->app_version()); |
| AttemptStarted(AttemptType::kRollback); |
| } |
| |
| void PayloadState::IncrementPayloadAttemptNumber() { |
| // Update the payload attempt number for both payload types: full and delta. |
| SetPayloadAttemptNumber(GetPayloadAttemptNumber() + 1); |
| } |
| |
| void PayloadState::IncrementFullPayloadAttemptNumber() { |
| // Update the payload attempt number for full payloads and the backoff time. |
| if (response_.is_delta_payload) { |
| LOG(INFO) << "Not incrementing payload attempt number for delta payloads"; |
| return; |
| } |
| |
| LOG(INFO) << "Incrementing the full payload attempt number"; |
| SetFullPayloadAttemptNumber(GetFullPayloadAttemptNumber() + 1); |
| UpdateBackoffExpiryTime(); |
| } |
| |
| void PayloadState::IncrementUrlIndex() { |
| size_t next_url_index = url_index_ + 1; |
| size_t max_url_size = 0; |
| for (const auto& urls : candidate_urls_) |
| max_url_size = std::max(max_url_size, urls.size()); |
| if (next_url_index < max_url_size) { |
| LOG(INFO) << "Incrementing the URL index for next attempt"; |
| SetUrlIndex(next_url_index); |
| } else { |
| LOG(INFO) << "Resetting the current URL index (" << url_index_ << ") to " |
| << "0 as we only have " << max_url_size << " candidate URL(s)"; |
| SetUrlIndex(0); |
| IncrementPayloadAttemptNumber(); |
| IncrementFullPayloadAttemptNumber(); |
| } |
| |
| // If we have multiple URLs, record that we just switched to another one |
| if (max_url_size > 1) |
| SetUrlSwitchCount(url_switch_count_ + 1); |
| |
| // Whenever we update the URL index, we should also clear the URL failure |
| // count so we can start over fresh for the new URL. |
| SetUrlFailureCount(0); |
| } |
| |
| void PayloadState::IncrementFailureCount() { |
| uint32_t next_url_failure_count = GetUrlFailureCount() + 1; |
| if (next_url_failure_count < response_.max_failure_count_per_url) { |
| LOG(INFO) << "Incrementing the URL failure count"; |
| SetUrlFailureCount(next_url_failure_count); |
| } else { |
| LOG(INFO) << "Reached max number of failures for Url" << GetUrlIndex() |
| << ". Trying next available URL"; |
| IncrementUrlIndex(); |
| } |
| } |
| |
| void PayloadState::UpdateBackoffExpiryTime() { |
| if (response_.disable_payload_backoff) { |
| LOG(INFO) << "Resetting backoff expiry time as payload backoff is disabled"; |
| SetBackoffExpiryTime(Time()); |
| return; |
| } |
| |
| if (GetFullPayloadAttemptNumber() == 0) { |
| SetBackoffExpiryTime(Time()); |
| return; |
| } |
| |
| // Since we're doing left-shift below, make sure we don't shift more |
| // than this. E.g. if int is 4-bytes, don't left-shift more than 30 bits, |
| // since we don't expect value of kMaxBackoffDays to be more than 100 anyway. |
| int num_days = 1; // the value to be shifted. |
| const int kMaxShifts = (sizeof(num_days) * 8) - 2; |
| |
| // Normal backoff days is 2 raised to (payload_attempt_number - 1). |
| // E.g. if payload_attempt_number is over 30, limit power to 30. |
| int power = min(GetFullPayloadAttemptNumber() - 1, kMaxShifts); |
| |
| // The number of days is the minimum of 2 raised to (payload_attempt_number |
| // - 1) or kMaxBackoffDays. |
| num_days = min(num_days << power, kMaxBackoffDays); |
| |
| // We don't want all retries to happen exactly at the same time when |
| // retrying after backoff. So add some random minutes to fuzz. |
| int fuzz_minutes = utils::FuzzInt(0, kMaxBackoffFuzzMinutes); |
| TimeDelta next_backoff_interval = TimeDelta::FromDays(num_days) + |
| TimeDelta::FromMinutes(fuzz_minutes); |
| LOG(INFO) << "Incrementing the backoff expiry time by " |
| << utils::FormatTimeDelta(next_backoff_interval); |
| SetBackoffExpiryTime(Time::Now() + next_backoff_interval); |
| } |
| |
| void PayloadState::UpdateCurrentDownloadSource() { |
| current_download_source_ = kNumDownloadSources; |
| |
| if (using_p2p_for_downloading_) { |
| current_download_source_ = kDownloadSourceHttpPeer; |
| } else if (payload_index_ < candidate_urls_.size() && |
| candidate_urls_[payload_index_].size() != 0) { |
| const string& current_url = candidate_urls_[payload_index_][GetUrlIndex()]; |
| if (base::StartsWith( |
| current_url, "https://", base::CompareCase::INSENSITIVE_ASCII)) { |
| current_download_source_ = kDownloadSourceHttpsServer; |
| } else if (base::StartsWith(current_url, |
| "http://", |
| base::CompareCase::INSENSITIVE_ASCII)) { |
| current_download_source_ = kDownloadSourceHttpServer; |
| } |
| } |
| |
| LOG(INFO) << "Current download source: " |
| << utils::ToString(current_download_source_); |
| } |
| |
| void PayloadState::UpdateBytesDownloaded(size_t count) { |
| SetCurrentBytesDownloaded( |
| current_download_source_, |
| GetCurrentBytesDownloaded(current_download_source_) + count, |
| false); |
| SetTotalBytesDownloaded( |
| current_download_source_, |
| GetTotalBytesDownloaded(current_download_source_) + count, |
| false); |
| |
| attempt_num_bytes_downloaded_ += count; |
| } |
| |
| PayloadType PayloadState::CalculatePayloadType() { |
| PayloadType payload_type; |
| OmahaRequestParams* params = system_state_->request_params(); |
| if (response_.is_delta_payload) { |
| payload_type = kPayloadTypeDelta; |
| } else if (params->delta_okay()) { |
| payload_type = kPayloadTypeFull; |
| } else { // Full payload, delta was not allowed by request. |
| payload_type = kPayloadTypeForcedFull; |
| } |
| return payload_type; |
| } |
| |
| // TODO(zeuthen): Currently we don't report the UpdateEngine.Attempt.* |
| // metrics if the attempt ends abnormally, e.g. if the update_engine |
| // process crashes or the device is rebooted. See |
| // http://crbug.com/357676 |
| void PayloadState::CollectAndReportAttemptMetrics(ErrorCode code) { |
| int attempt_number = GetPayloadAttemptNumber(); |
| |
| PayloadType payload_type = CalculatePayloadType(); |
| |
| int64_t payload_size = GetPayloadSize(); |
| |
| int64_t payload_bytes_downloaded = attempt_num_bytes_downloaded_; |
| |
| ClockInterface *clock = system_state_->clock(); |
| TimeDelta duration = clock->GetBootTime() - attempt_start_time_boot_; |
| TimeDelta duration_uptime = clock->GetMonotonicTime() - |
| attempt_start_time_monotonic_; |
| |
| int64_t payload_download_speed_bps = 0; |
| int64_t usec = duration_uptime.InMicroseconds(); |
| if (usec > 0) { |
| double sec = static_cast<double>(usec) / Time::kMicrosecondsPerSecond; |
| double bps = static_cast<double>(payload_bytes_downloaded) / sec; |
| payload_download_speed_bps = static_cast<int64_t>(bps); |
| } |
| |
| DownloadSource download_source = current_download_source_; |
| |
| metrics::DownloadErrorCode payload_download_error_code = |
| metrics::DownloadErrorCode::kUnset; |
| ErrorCode internal_error_code = ErrorCode::kSuccess; |
| metrics::AttemptResult attempt_result = metrics_utils::GetAttemptResult(code); |
| |
| // Add additional detail to AttemptResult |
| switch (attempt_result) { |
| case metrics::AttemptResult::kPayloadDownloadError: |
| payload_download_error_code = metrics_utils::GetDownloadErrorCode(code); |
| break; |
| |
| case metrics::AttemptResult::kInternalError: |
| internal_error_code = code; |
| break; |
| |
| // Explicit fall-through for cases where we do not have additional |
| // detail. We avoid the default keyword to force people adding new |
| // AttemptResult values to visit this code and examine whether |
| // additional detail is needed. |
| case metrics::AttemptResult::kUpdateSucceeded: |
| case metrics::AttemptResult::kMetadataMalformed: |
| case metrics::AttemptResult::kOperationMalformed: |
| case metrics::AttemptResult::kOperationExecutionError: |
| case metrics::AttemptResult::kMetadataVerificationFailed: |
| case metrics::AttemptResult::kPayloadVerificationFailed: |
| case metrics::AttemptResult::kVerificationFailed: |
| case metrics::AttemptResult::kPostInstallFailed: |
| case metrics::AttemptResult::kAbnormalTermination: |
| case metrics::AttemptResult::kUpdateCanceled: |
| case metrics::AttemptResult::kNumConstants: |
| case metrics::AttemptResult::kUnset: |
| break; |
| } |
| |
| metrics::ReportUpdateAttemptMetrics(system_state_, |
| attempt_number, |
| payload_type, |
| duration, |
| duration_uptime, |
| payload_size, |
| payload_bytes_downloaded, |
| payload_download_speed_bps, |
| download_source, |
| attempt_result, |
| internal_error_code, |
| payload_download_error_code, |
| attempt_connection_type_); |
| } |
| |
| void PayloadState::PersistAttemptMetrics() { |
| // TODO(zeuthen): For now we only persist whether an attempt was in |
| // progress and not values/metrics related to the attempt. This |
| // means that when this happens, of all the UpdateEngine.Attempt.* |
| // metrics, only UpdateEngine.Attempt.Result is reported (with the |
| // value |kAbnormalTermination|). In the future we might want to |
| // persist more data so we can report other metrics in the |
| // UpdateEngine.Attempt.* namespace when this happens. |
| prefs_->SetBoolean(kPrefsAttemptInProgress, true); |
| } |
| |
| void PayloadState::ClearPersistedAttemptMetrics() { |
| prefs_->Delete(kPrefsAttemptInProgress); |
| } |
| |
| void PayloadState::ReportAndClearPersistedAttemptMetrics() { |
| bool attempt_in_progress = false; |
| if (!prefs_->GetBoolean(kPrefsAttemptInProgress, &attempt_in_progress)) |
| return; |
| if (!attempt_in_progress) |
| return; |
| |
| metrics::ReportAbnormallyTerminatedUpdateAttemptMetrics(system_state_); |
| |
| ClearPersistedAttemptMetrics(); |
| } |
| |
| void PayloadState::CollectAndReportSuccessfulUpdateMetrics() { |
| string metric; |
| |
| // Report metrics collected from all known download sources to UMA. |
| int64_t total_bytes_by_source[kNumDownloadSources]; |
| int64_t successful_bytes = 0; |
| int64_t total_bytes = 0; |
| int64_t successful_mbs = 0; |
| int64_t total_mbs = 0; |
| |
| for (int i = 0; i < kNumDownloadSources; i++) { |
| DownloadSource source = static_cast<DownloadSource>(i); |
| int64_t bytes; |
| |
| // Only consider this download source (and send byte counts) as |
| // having been used if we downloaded a non-trivial amount of bytes |
| // (e.g. at least 1 MiB) that contributed to the final success of |
| // the update. Otherwise we're going to end up with a lot of |
| // zero-byte events in the histogram. |
| |
| bytes = GetCurrentBytesDownloaded(source); |
| successful_bytes += bytes; |
| successful_mbs += bytes / kNumBytesInOneMiB; |
| SetCurrentBytesDownloaded(source, 0, true); |
| |
| bytes = GetTotalBytesDownloaded(source); |
| total_bytes_by_source[i] = bytes; |
| total_bytes += bytes; |
| total_mbs += bytes / kNumBytesInOneMiB; |
| SetTotalBytesDownloaded(source, 0, true); |
| } |
| |
| int download_overhead_percentage = 0; |
| if (successful_bytes > 0) { |
| download_overhead_percentage = (total_bytes - successful_bytes) * 100ULL / |
| successful_bytes; |
| } |
| |
| int url_switch_count = static_cast<int>(url_switch_count_); |
| |
| int reboot_count = GetNumReboots(); |
| |
| SetNumReboots(0); |
| |
| TimeDelta duration = GetUpdateDuration(); |
| |
| prefs_->Delete(kPrefsUpdateTimestampStart); |
| prefs_->Delete(kPrefsUpdateDurationUptime); |
| |
| PayloadType payload_type = CalculatePayloadType(); |
| |
| int64_t payload_size = GetPayloadSize(); |
| |
| int attempt_count = GetPayloadAttemptNumber(); |
| |
| int updates_abandoned_count = num_responses_seen_ - 1; |
| |
| metrics::ReportSuccessfulUpdateMetrics(system_state_, |
| attempt_count, |
| updates_abandoned_count, |
| payload_type, |
| payload_size, |
| total_bytes_by_source, |
| download_overhead_percentage, |
| duration, |
| reboot_count, |
| url_switch_count); |
| } |
| |
| void PayloadState::UpdateNumReboots() { |
| // We only update the reboot count when the system has been detected to have |
| // been rebooted. |
| if (!system_state_->system_rebooted()) { |
| return; |
| } |
| |
| SetNumReboots(GetNumReboots() + 1); |
| } |
| |
| void PayloadState::SetNumReboots(uint32_t num_reboots) { |
| CHECK(prefs_); |
| num_reboots_ = num_reboots; |
| prefs_->SetInt64(kPrefsNumReboots, num_reboots); |
| LOG(INFO) << "Number of Reboots during current update attempt = " |
| << num_reboots_; |
| } |
| |
| void PayloadState::ResetPersistedState() { |
| SetPayloadAttemptNumber(0); |
| SetFullPayloadAttemptNumber(0); |
| SetUrlIndex(0); |
| SetUrlFailureCount(0); |
| SetUrlSwitchCount(0); |
| UpdateBackoffExpiryTime(); // This will reset the backoff expiry time. |
| SetUpdateTimestampStart(system_state_->clock()->GetWallclockTime()); |
| SetUpdateTimestampEnd(Time()); // Set to null time |
| SetUpdateDurationUptime(TimeDelta::FromSeconds(0)); |
| ResetDownloadSourcesOnNewUpdate(); |
| ResetRollbackVersion(); |
| SetP2PNumAttempts(0); |
| SetP2PFirstAttemptTimestamp(Time()); // Set to null time |
| SetScatteringWaitPeriod(TimeDelta()); |
| } |
| |
| void PayloadState::ResetRollbackVersion() { |
| CHECK(powerwash_safe_prefs_); |
| rollback_version_ = ""; |
| powerwash_safe_prefs_->Delete(kPrefsRollbackVersion); |
| } |
| |
| void PayloadState::ResetDownloadSourcesOnNewUpdate() { |
| for (int i = 0; i < kNumDownloadSources; i++) { |
| DownloadSource source = static_cast<DownloadSource>(i); |
| SetCurrentBytesDownloaded(source, 0, true); |
| // Note: Not resetting the TotalBytesDownloaded as we want that metric |
| // to count the bytes downloaded across various update attempts until |
| // we have successfully applied the update. |
| } |
| } |
| |
| int64_t PayloadState::GetPersistedValue(const string& key) { |
| CHECK(prefs_); |
| if (!prefs_->Exists(key)) |
| return 0; |
| |
| int64_t stored_value; |
| if (!prefs_->GetInt64(key, &stored_value)) |
| return 0; |
| |
| if (stored_value < 0) { |
| LOG(ERROR) << key << ": Invalid value (" << stored_value |
| << ") in persisted state. Defaulting to 0"; |
| return 0; |
| } |
| |
| return stored_value; |
| } |
| |
| string PayloadState::CalculateResponseSignature() { |
| string response_sign; |
| for (size_t i = 0; i < response_.packages.size(); i++) { |
| const auto& package = response_.packages[i]; |
| response_sign += base::StringPrintf( |
| "Payload %zu:\n" |
| " Size = %ju\n" |
| " Sha256 Hash = %s\n" |
| " Metadata Size = %ju\n" |
| " Metadata Signature = %s\n" |
| " NumURLs = %zu\n", |
| i, |
| static_cast<uintmax_t>(package.size), |
| package.hash.c_str(), |
| static_cast<uintmax_t>(package.metadata_size), |
| package.metadata_signature.c_str(), |
| candidate_urls_[i].size()); |
| |
| for (size_t j = 0; j < candidate_urls_[i].size(); j++) |
| response_sign += base::StringPrintf( |
| " Candidate Url%zu = %s\n", j, candidate_urls_[i][j].c_str()); |
| } |
| |
| response_sign += base::StringPrintf( |
| "Is Delta Payload = %d\n" |
| "Max Failure Count Per Url = %d\n" |
| "Disable Payload Backoff = %d\n", |
| response_.is_delta_payload, |
| response_.max_failure_count_per_url, |
| response_.disable_payload_backoff); |
| return response_sign; |
| } |
| |
| void PayloadState::LoadResponseSignature() { |
| CHECK(prefs_); |
| string stored_value; |
| if (prefs_->Exists(kPrefsCurrentResponseSignature) && |
| prefs_->GetString(kPrefsCurrentResponseSignature, &stored_value)) { |
| SetResponseSignature(stored_value); |
| } |
| } |
| |
| void PayloadState::SetResponseSignature(const string& response_signature) { |
| CHECK(prefs_); |
| response_signature_ = response_signature; |
| LOG(INFO) << "Current Response Signature = \n" << response_signature_; |
| prefs_->SetString(kPrefsCurrentResponseSignature, response_signature_); |
| } |
| |
| void PayloadState::LoadPayloadAttemptNumber() { |
| SetPayloadAttemptNumber(GetPersistedValue(kPrefsPayloadAttemptNumber)); |
| } |
| |
| void PayloadState::LoadFullPayloadAttemptNumber() { |
| SetFullPayloadAttemptNumber(GetPersistedValue( |
| kPrefsFullPayloadAttemptNumber)); |
| } |
| |
| void PayloadState::SetPayloadAttemptNumber(int payload_attempt_number) { |
| CHECK(prefs_); |
| payload_attempt_number_ = payload_attempt_number; |
| LOG(INFO) << "Payload Attempt Number = " << payload_attempt_number_; |
| prefs_->SetInt64(kPrefsPayloadAttemptNumber, payload_attempt_number_); |
| } |
| |
| void PayloadState::SetFullPayloadAttemptNumber( |
| int full_payload_attempt_number) { |
| CHECK(prefs_); |
| full_payload_attempt_number_ = full_payload_attempt_number; |
| LOG(INFO) << "Full Payload Attempt Number = " << full_payload_attempt_number_; |
| prefs_->SetInt64(kPrefsFullPayloadAttemptNumber, |
| full_payload_attempt_number_); |
| } |
| |
| void PayloadState::LoadUrlIndex() { |
| SetUrlIndex(GetPersistedValue(kPrefsCurrentUrlIndex)); |
| } |
| |
| void PayloadState::SetUrlIndex(uint32_t url_index) { |
| CHECK(prefs_); |
| url_index_ = url_index; |
| LOG(INFO) << "Current URL Index = " << url_index_; |
| prefs_->SetInt64(kPrefsCurrentUrlIndex, url_index_); |
| |
| // Also update the download source, which is purely dependent on the |
| // current URL index alone. |
| UpdateCurrentDownloadSource(); |
| } |
| |
| void PayloadState::LoadScatteringWaitPeriod() { |
| SetScatteringWaitPeriod( |
| TimeDelta::FromSeconds(GetPersistedValue(kPrefsWallClockWaitPeriod))); |
| } |
| |
| void PayloadState::SetScatteringWaitPeriod(TimeDelta wait_period) { |
| CHECK(prefs_); |
| scattering_wait_period_ = wait_period; |
| LOG(INFO) << "Scattering Wait Period (seconds) = " |
| << scattering_wait_period_.InSeconds(); |
| if (scattering_wait_period_.InSeconds() > 0) { |
| prefs_->SetInt64(kPrefsWallClockWaitPeriod, |
| scattering_wait_period_.InSeconds()); |
| } else { |
| prefs_->Delete(kPrefsWallClockWaitPeriod); |
| } |
| } |
| |
| void PayloadState::LoadUrlSwitchCount() { |
| SetUrlSwitchCount(GetPersistedValue(kPrefsUrlSwitchCount)); |
| } |
| |
| void PayloadState::SetUrlSwitchCount(uint32_t url_switch_count) { |
| CHECK(prefs_); |
| url_switch_count_ = url_switch_count; |
| LOG(INFO) << "URL Switch Count = " << url_switch_count_; |
| prefs_->SetInt64(kPrefsUrlSwitchCount, url_switch_count_); |
| } |
| |
| void PayloadState::LoadUrlFailureCount() { |
| SetUrlFailureCount(GetPersistedValue(kPrefsCurrentUrlFailureCount)); |
| } |
| |
| void PayloadState::SetUrlFailureCount(uint32_t url_failure_count) { |
| CHECK(prefs_); |
| url_failure_count_ = url_failure_count; |
| LOG(INFO) << "Current URL (Url" << GetUrlIndex() |
| << ")'s Failure Count = " << url_failure_count_; |
| prefs_->SetInt64(kPrefsCurrentUrlFailureCount, url_failure_count_); |
| } |
| |
| void PayloadState::LoadBackoffExpiryTime() { |
| CHECK(prefs_); |
| int64_t stored_value; |
| if (!prefs_->Exists(kPrefsBackoffExpiryTime)) |
| return; |
| |
| if (!prefs_->GetInt64(kPrefsBackoffExpiryTime, &stored_value)) |
| return; |
| |
| Time stored_time = Time::FromInternalValue(stored_value); |
| if (stored_time > Time::Now() + TimeDelta::FromDays(kMaxBackoffDays)) { |
| LOG(ERROR) << "Invalid backoff expiry time (" |
| << utils::ToString(stored_time) |
| << ") in persisted state. Resetting."; |
| stored_time = Time(); |
| } |
| SetBackoffExpiryTime(stored_time); |
| } |
| |
| void PayloadState::SetBackoffExpiryTime(const Time& new_time) { |
| CHECK(prefs_); |
| backoff_expiry_time_ = new_time; |
| LOG(INFO) << "Backoff Expiry Time = " |
| << utils::ToString(backoff_expiry_time_); |
| prefs_->SetInt64(kPrefsBackoffExpiryTime, |
| backoff_expiry_time_.ToInternalValue()); |
| } |
| |
| TimeDelta PayloadState::GetUpdateDuration() { |
| Time end_time = update_timestamp_end_.is_null() |
| ? system_state_->clock()->GetWallclockTime() : |
| update_timestamp_end_; |
| return end_time - update_timestamp_start_; |
| } |
| |
| void PayloadState::LoadUpdateTimestampStart() { |
| int64_t stored_value; |
| Time stored_time; |
| |
| CHECK(prefs_); |
| |
| Time now = system_state_->clock()->GetWallclockTime(); |
| |
| if (!prefs_->Exists(kPrefsUpdateTimestampStart)) { |
| // The preference missing is not unexpected - in that case, just |
| // use the current time as start time |
| stored_time = now; |
| } else if (!prefs_->GetInt64(kPrefsUpdateTimestampStart, &stored_value)) { |
| LOG(ERROR) << "Invalid UpdateTimestampStart value. Resetting."; |
| stored_time = now; |
| } else { |
| stored_time = Time::FromInternalValue(stored_value); |
| } |
| |
| // Sanity check: If the time read from disk is in the future |
| // (modulo some slack to account for possible NTP drift |
| // adjustments), something is fishy and we should report and |
| // reset. |
| TimeDelta duration_according_to_stored_time = now - stored_time; |
| if (duration_according_to_stored_time < -kDurationSlack) { |
| LOG(ERROR) << "The UpdateTimestampStart value (" |
| << utils::ToString(stored_time) |
| << ") in persisted state is " |
| << utils::FormatTimeDelta(duration_according_to_stored_time) |
| << " in the future. Resetting."; |
| stored_time = now; |
| } |
| |
| SetUpdateTimestampStart(stored_time); |
| } |
| |
| void PayloadState::SetUpdateTimestampStart(const Time& value) { |
| CHECK(prefs_); |
| update_timestamp_start_ = value; |
| prefs_->SetInt64(kPrefsUpdateTimestampStart, |
| update_timestamp_start_.ToInternalValue()); |
| LOG(INFO) << "Update Timestamp Start = " |
| << utils::ToString(update_timestamp_start_); |
| } |
| |
| void PayloadState::SetUpdateTimestampEnd(const Time& value) { |
| update_timestamp_end_ = value; |
| LOG(INFO) << "Update Timestamp End = " |
| << utils::ToString(update_timestamp_end_); |
| } |
| |
| TimeDelta PayloadState::GetUpdateDurationUptime() { |
| return update_duration_uptime_; |
| } |
| |
| void PayloadState::LoadUpdateDurationUptime() { |
| int64_t stored_value; |
| TimeDelta stored_delta; |
| |
| CHECK(prefs_); |
| |
| if (!prefs_->Exists(kPrefsUpdateDurationUptime)) { |
| // The preference missing is not unexpected - in that case, just |
| // we'll use zero as the delta |
| } else if (!prefs_->GetInt64(kPrefsUpdateDurationUptime, &stored_value)) { |
| LOG(ERROR) << "Invalid UpdateDurationUptime value. Resetting."; |
| stored_delta = TimeDelta::FromSeconds(0); |
| } else { |
| stored_delta = TimeDelta::FromInternalValue(stored_value); |
| } |
| |
| // Sanity-check: Uptime can never be greater than the wall-clock |
| // difference (modulo some slack). If it is, report and reset |
| // to the wall-clock difference. |
| TimeDelta diff = GetUpdateDuration() - stored_delta; |
| if (diff < -kDurationSlack) { |
| LOG(ERROR) << "The UpdateDurationUptime value (" |
| << utils::FormatTimeDelta(stored_delta) |
| << ") in persisted state is " |
| << utils::FormatTimeDelta(diff) |
| << " larger than the wall-clock delta. Resetting."; |
| stored_delta = update_duration_current_; |
| } |
| |
| SetUpdateDurationUptime(stored_delta); |
| } |
| |
| void PayloadState::LoadNumReboots() { |
| SetNumReboots(GetPersistedValue(kPrefsNumReboots)); |
| } |
| |
| void PayloadState::LoadRollbackVersion() { |
| CHECK(powerwash_safe_prefs_); |
| string rollback_version; |
| if (powerwash_safe_prefs_->GetString(kPrefsRollbackVersion, |
| &rollback_version)) { |
| SetRollbackVersion(rollback_version); |
| } |
| } |
| |
| void PayloadState::SetRollbackVersion(const string& rollback_version) { |
| CHECK(powerwash_safe_prefs_); |
| LOG(INFO) << "Blacklisting version "<< rollback_version; |
| rollback_version_ = rollback_version; |
| powerwash_safe_prefs_->SetString(kPrefsRollbackVersion, rollback_version); |
| } |
| |
| void PayloadState::SetUpdateDurationUptimeExtended(const TimeDelta& value, |
| const Time& timestamp, |
| bool use_logging) { |
| CHECK(prefs_); |
| update_duration_uptime_ = value; |
| update_duration_uptime_timestamp_ = timestamp; |
| prefs_->SetInt64(kPrefsUpdateDurationUptime, |
| update_duration_uptime_.ToInternalValue()); |
| if (use_logging) { |
| LOG(INFO) << "Update Duration Uptime = " |
| << utils::FormatTimeDelta(update_duration_uptime_); |
| } |
| } |
| |
| void PayloadState::SetUpdateDurationUptime(const TimeDelta& value) { |
| Time now = system_state_->clock()->GetMonotonicTime(); |
| SetUpdateDurationUptimeExtended(value, now, true); |
| } |
| |
| void PayloadState::CalculateUpdateDurationUptime() { |
| Time now = system_state_->clock()->GetMonotonicTime(); |
| TimeDelta uptime_since_last_update = now - update_duration_uptime_timestamp_; |
| TimeDelta new_uptime = update_duration_uptime_ + uptime_since_last_update; |
| // We're frequently called so avoid logging this write |
| SetUpdateDurationUptimeExtended(new_uptime, now, false); |
| } |
| |
| string PayloadState::GetPrefsKey(const string& prefix, DownloadSource source) { |
| return prefix + "-from-" + utils::ToString(source); |
| } |
| |
| void PayloadState::LoadCurrentBytesDownloaded(DownloadSource source) { |
| string key = GetPrefsKey(kPrefsCurrentBytesDownloaded, source); |
| SetCurrentBytesDownloaded(source, GetPersistedValue(key), true); |
| } |
| |
| void PayloadState::SetCurrentBytesDownloaded( |
| DownloadSource source, |
| uint64_t current_bytes_downloaded, |
| bool log) { |
| CHECK(prefs_); |
| |
| if (source >= kNumDownloadSources) |
| return; |
| |
| // Update the in-memory value. |
| current_bytes_downloaded_[source] = current_bytes_downloaded; |
| |
| string prefs_key = GetPrefsKey(kPrefsCurrentBytesDownloaded, source); |
| prefs_->SetInt64(prefs_key, current_bytes_downloaded); |
| LOG_IF(INFO, log) << "Current bytes downloaded for " |
| << utils::ToString(source) << " = " |
| << GetCurrentBytesDownloaded(source); |
| } |
| |
| void PayloadState::LoadTotalBytesDownloaded(DownloadSource source) { |
| string key = GetPrefsKey(kPrefsTotalBytesDownloaded, source); |
| SetTotalBytesDownloaded(source, GetPersistedValue(key), true); |
| } |
| |
| void PayloadState::SetTotalBytesDownloaded( |
| DownloadSource source, |
| uint64_t total_bytes_downloaded, |
| bool log) { |
| CHECK(prefs_); |
| |
| if (source >= kNumDownloadSources) |
| return; |
| |
| // Update the in-memory value. |
| total_bytes_downloaded_[source] = total_bytes_downloaded; |
| |
| // Persist. |
| string prefs_key = GetPrefsKey(kPrefsTotalBytesDownloaded, source); |
| prefs_->SetInt64(prefs_key, total_bytes_downloaded); |
| LOG_IF(INFO, log) << "Total bytes downloaded for " |
| << utils::ToString(source) << " = " |
| << GetTotalBytesDownloaded(source); |
| } |
| |
| void PayloadState::LoadNumResponsesSeen() { |
| SetNumResponsesSeen(GetPersistedValue(kPrefsNumResponsesSeen)); |
| } |
| |
| void PayloadState::SetNumResponsesSeen(int num_responses_seen) { |
| CHECK(prefs_); |
| num_responses_seen_ = num_responses_seen; |
| LOG(INFO) << "Num Responses Seen = " << num_responses_seen_; |
| prefs_->SetInt64(kPrefsNumResponsesSeen, num_responses_seen_); |
| } |
| |
| void PayloadState::ComputeCandidateUrls() { |
| bool http_url_ok = true; |
| |
| if (system_state_->hardware()->IsOfficialBuild()) { |
| const policy::DevicePolicy* policy = system_state_->device_policy(); |
| if (policy && policy->GetHttpDownloadsEnabled(&http_url_ok) && !http_url_ok) |
| LOG(INFO) << "Downloads via HTTP Url are not enabled by device policy"; |
| } else { |
| LOG(INFO) << "Allowing HTTP downloads for unofficial builds"; |
| http_url_ok = true; |
| } |
| |
| candidate_urls_.clear(); |
| for (const auto& package : response_.packages) { |
| candidate_urls_.emplace_back(); |
| for (const string& candidate_url : package.payload_urls) { |
| if (base::StartsWith( |
| candidate_url, "http://", base::CompareCase::INSENSITIVE_ASCII) && |
| !http_url_ok) { |
| continue; |
| } |
| candidate_urls_.back().push_back(candidate_url); |
| LOG(INFO) << "Candidate Url" << (candidate_urls_.back().size() - 1) |
| << ": " << candidate_url; |
| } |
| LOG(INFO) << "Found " << candidate_urls_.back().size() << " candidate URLs " |
| << "out of " << package.payload_urls.size() |
| << " URLs supplied in package " << candidate_urls_.size() - 1; |
| } |
| } |
| |
| void PayloadState::CreateSystemUpdatedMarkerFile() { |
| CHECK(prefs_); |
| int64_t value = system_state_->clock()->GetWallclockTime().ToInternalValue(); |
| prefs_->SetInt64(kPrefsSystemUpdatedMarker, value); |
| } |
| |
| void PayloadState::BootedIntoUpdate(TimeDelta time_to_reboot) { |
| // Send |time_to_reboot| as a UMA stat. |
| string metric = metrics::kMetricTimeToRebootMinutes; |
| system_state_->metrics_lib()->SendToUMA(metric, |
| time_to_reboot.InMinutes(), |
| 0, // min: 0 minute |
| 30*24*60, // max: 1 month (approx) |
| kNumDefaultUmaBuckets); |
| LOG(INFO) << "Uploading " << utils::FormatTimeDelta(time_to_reboot) |
| << " for metric " << metric; |
| } |
| |
| void PayloadState::UpdateEngineStarted() { |
| // Flush previous state from abnormal attempt failure, if any. |
| ReportAndClearPersistedAttemptMetrics(); |
| |
| // Avoid the UpdateEngineStarted actions if this is not the first time we |
| // run the update engine since reboot. |
| if (!system_state_->system_rebooted()) |
| return; |
| |
| // Figure out if we just booted into a new update |
| if (prefs_->Exists(kPrefsSystemUpdatedMarker)) { |
| int64_t stored_value; |
| if (prefs_->GetInt64(kPrefsSystemUpdatedMarker, &stored_value)) { |
| Time system_updated_at = Time::FromInternalValue(stored_value); |
| if (!system_updated_at.is_null()) { |
| TimeDelta time_to_reboot = |
| system_state_->clock()->GetWallclockTime() - system_updated_at; |
| if (time_to_reboot.ToInternalValue() < 0) { |
| LOG(ERROR) << "time_to_reboot is negative - system_updated_at: " |
| << utils::ToString(system_updated_at); |
| } else { |
| BootedIntoUpdate(time_to_reboot); |
| } |
| } |
| } |
| prefs_->Delete(kPrefsSystemUpdatedMarker); |
| } |
| // Check if it is needed to send metrics about a failed reboot into a new |
| // version. |
| ReportFailedBootIfNeeded(); |
| } |
| |
| void PayloadState::ReportFailedBootIfNeeded() { |
| // If the kPrefsTargetVersionInstalledFrom is present, a successfully applied |
| // payload was marked as ready immediately before the last reboot, and we |
| // need to check if such payload successfully rebooted or not. |
| if (prefs_->Exists(kPrefsTargetVersionInstalledFrom)) { |
| int64_t installed_from = 0; |
| if (!prefs_->GetInt64(kPrefsTargetVersionInstalledFrom, &installed_from)) { |
| LOG(ERROR) << "Error reading TargetVersionInstalledFrom on reboot."; |
| return; |
| } |
| // Old Chrome OS devices will write 2 or 4 in this setting, with the |
| // partition number. We are now using slot numbers (0 or 1) instead, so |
| // the following comparison will not match if we are comparing an old |
| // partition number against a new slot number, which is the correct outcome |
| // since we successfully booted the new update in that case. If the boot |
| // failed, we will read this value from the same version, so it will always |
| // be compatible. |
| if (installed_from == system_state_->boot_control()->GetCurrentSlot()) { |
| // A reboot was pending, but the chromebook is again in the same |
| // BootDevice where the update was installed from. |
| int64_t target_attempt; |
| if (!prefs_->GetInt64(kPrefsTargetVersionAttempt, &target_attempt)) { |
| LOG(ERROR) << "Error reading TargetVersionAttempt when " |
| "TargetVersionInstalledFrom was present."; |
| target_attempt = 1; |
| } |
| |
| // Report the UMA metric of the current boot failure. |
| string metric = metrics::kMetricFailedUpdateCount; |
| LOG(INFO) << "Uploading " << target_attempt |
| << " (count) for metric " << metric; |
| system_state_->metrics_lib()->SendToUMA( |
| metric, |
| target_attempt, |
| 1, // min value |
| 50, // max value |
| kNumDefaultUmaBuckets); |
| } else { |
| prefs_->Delete(kPrefsTargetVersionAttempt); |
| prefs_->Delete(kPrefsTargetVersionUniqueId); |
| } |
| prefs_->Delete(kPrefsTargetVersionInstalledFrom); |
| } |
| } |
| |
| void PayloadState::ExpectRebootInNewVersion(const string& target_version_uid) { |
| // Expect to boot into the new partition in the next reboot setting the |
| // TargetVersion* flags in the Prefs. |
| string stored_target_version_uid; |
| string target_version_id; |
| string target_partition; |
| int64_t target_attempt; |
| |
| if (prefs_->Exists(kPrefsTargetVersionUniqueId) && |
| prefs_->GetString(kPrefsTargetVersionUniqueId, |
| &stored_target_version_uid) && |
| stored_target_version_uid == target_version_uid) { |
| if (!prefs_->GetInt64(kPrefsTargetVersionAttempt, &target_attempt)) |
| target_attempt = 0; |
| } else { |
| prefs_->SetString(kPrefsTargetVersionUniqueId, target_version_uid); |
| target_attempt = 0; |
| } |
| prefs_->SetInt64(kPrefsTargetVersionAttempt, target_attempt + 1); |
| |
| prefs_->SetInt64(kPrefsTargetVersionInstalledFrom, |
| system_state_->boot_control()->GetCurrentSlot()); |
| } |
| |
| void PayloadState::ResetUpdateStatus() { |
| // Remove the TargetVersionInstalledFrom pref so that if the machine is |
| // rebooted the next boot is not flagged as failed to rebooted into the |
| // new applied payload. |
| prefs_->Delete(kPrefsTargetVersionInstalledFrom); |
| |
| // Also decrement the attempt number if it exists. |
| int64_t target_attempt; |
| if (prefs_->GetInt64(kPrefsTargetVersionAttempt, &target_attempt)) |
| prefs_->SetInt64(kPrefsTargetVersionAttempt, target_attempt - 1); |
| } |
| |
| int PayloadState::GetP2PNumAttempts() { |
| return p2p_num_attempts_; |
| } |
| |
| void PayloadState::SetP2PNumAttempts(int value) { |
| p2p_num_attempts_ = value; |
| LOG(INFO) << "p2p Num Attempts = " << p2p_num_attempts_; |
| CHECK(prefs_); |
| prefs_->SetInt64(kPrefsP2PNumAttempts, value); |
| } |
| |
| void PayloadState::LoadP2PNumAttempts() { |
| SetP2PNumAttempts(GetPersistedValue(kPrefsP2PNumAttempts)); |
| } |
| |
| Time PayloadState::GetP2PFirstAttemptTimestamp() { |
| return p2p_first_attempt_timestamp_; |
| } |
| |
| void PayloadState::SetP2PFirstAttemptTimestamp(const Time& time) { |
| p2p_first_attempt_timestamp_ = time; |
| LOG(INFO) << "p2p First Attempt Timestamp = " |
| << utils::ToString(p2p_first_attempt_timestamp_); |
| CHECK(prefs_); |
| int64_t stored_value = time.ToInternalValue(); |
| prefs_->SetInt64(kPrefsP2PFirstAttemptTimestamp, stored_value); |
| } |
| |
| void PayloadState::LoadP2PFirstAttemptTimestamp() { |
| int64_t stored_value = GetPersistedValue(kPrefsP2PFirstAttemptTimestamp); |
| Time stored_time = Time::FromInternalValue(stored_value); |
| SetP2PFirstAttemptTimestamp(stored_time); |
| } |
| |
| void PayloadState::P2PNewAttempt() { |
| CHECK(prefs_); |
| // Set timestamp, if it hasn't been set already |
| if (p2p_first_attempt_timestamp_.is_null()) { |
| SetP2PFirstAttemptTimestamp(system_state_->clock()->GetWallclockTime()); |
| } |
| // Increase number of attempts |
| SetP2PNumAttempts(GetP2PNumAttempts() + 1); |
| } |
| |
| bool PayloadState::P2PAttemptAllowed() { |
| if (p2p_num_attempts_ > kMaxP2PAttempts) { |
| LOG(INFO) << "Number of p2p attempts is " << p2p_num_attempts_ |
| << " which is greater than " |
| << kMaxP2PAttempts |
| << " - disallowing p2p."; |
| return false; |
| } |
| |
| if (!p2p_first_attempt_timestamp_.is_null()) { |
| Time now = system_state_->clock()->GetWallclockTime(); |
| TimeDelta time_spent_attempting_p2p = now - p2p_first_attempt_timestamp_; |
| if (time_spent_attempting_p2p.InSeconds() < 0) { |
| LOG(ERROR) << "Time spent attempting p2p is negative" |
| << " - disallowing p2p."; |
| return false; |
| } |
| if (time_spent_attempting_p2p.InSeconds() > kMaxP2PAttemptTimeSeconds) { |
| LOG(INFO) << "Time spent attempting p2p is " |
| << utils::FormatTimeDelta(time_spent_attempting_p2p) |
| << " which is greater than " |
| << utils::FormatTimeDelta(TimeDelta::FromSeconds( |
| kMaxP2PAttemptTimeSeconds)) |
| << " - disallowing p2p."; |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| int64_t PayloadState::GetPayloadSize() { |
| int64_t payload_size = 0; |
| for (const auto& package : response_.packages) |
| payload_size += package.size; |
| return payload_size; |
| } |
| |
| } // namespace chromeos_update_engine |