Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "shill/diagnostics_reporter.h" |
| 6 | |
Alex Vakulenko | 8a53229 | 2014-06-16 17:18:44 -0700 | [diff] [blame] | 7 | #include <vector> |
| 8 | |
Ben Chan | 11c213f | 2014-09-05 08:21:06 -0700 | [diff] [blame] | 9 | #include <base/files/file_util.h> |
Utkarsh Sanghi | 83bd64b | 2014-07-29 16:01:43 -0700 | [diff] [blame] | 10 | #include <chromeos/minijail/minijail.h> |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 11 | |
Peter Qiu | 8d6b597 | 2014-10-28 15:33:34 -0700 | [diff] [blame] | 12 | #include "shill/net/shill_time.h" |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 13 | #include "shill/process_killer.h" |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 14 | #include "shill/shims/net_diags_upload.h" |
| 15 | |
| 16 | using base::Closure; |
| 17 | using std::vector; |
Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 18 | |
| 19 | namespace shill { |
| 20 | |
| 21 | namespace { |
| 22 | |
| 23 | base::LazyInstance<DiagnosticsReporter> g_reporter = LAZY_INSTANCE_INITIALIZER; |
Darin Petkov | bd0dcc8 | 2012-11-29 10:51:12 +0100 | [diff] [blame] | 24 | const char kNetDiagsUpload[] = SHIMDIR "/net-diags-upload"; |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 25 | const char kNetDiagsUploadUser[] = "syslog"; |
Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 26 | |
| 27 | } // namespace |
| 28 | |
Darin Petkov | 328e19d | 2012-12-04 15:54:07 +0100 | [diff] [blame] | 29 | // static |
| 30 | const int DiagnosticsReporter::kLogStashThrottleSeconds = 30 * 60; |
| 31 | |
| 32 | DiagnosticsReporter::DiagnosticsReporter() |
Utkarsh Sanghi | 83bd64b | 2014-07-29 16:01:43 -0700 | [diff] [blame] | 33 | : minijail_(chromeos::Minijail::GetInstance()), |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 34 | process_killer_(ProcessKiller::GetInstance()), |
Darin Petkov | 328e19d | 2012-12-04 15:54:07 +0100 | [diff] [blame] | 35 | time_(Time::GetInstance()), |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 36 | last_log_stash_(0), |
| 37 | stashed_net_log_(shims::kStashedNetLog) {} |
Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 38 | |
| 39 | DiagnosticsReporter::~DiagnosticsReporter() {} |
| 40 | |
| 41 | // static |
Paul Stewart | a794cd6 | 2015-06-16 13:13:10 -0700 | [diff] [blame] | 42 | DiagnosticsReporter* DiagnosticsReporter::GetInstance() { |
Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 43 | return g_reporter.Pointer(); |
| 44 | } |
| 45 | |
Darin Petkov | 385b9bc | 2012-12-03 15:25:05 +0100 | [diff] [blame] | 46 | void DiagnosticsReporter::OnConnectivityEvent() { |
| 47 | LOG(INFO) << "Diagnostics event triggered."; |
| 48 | |
mukesh agrawal | bd46136 | 2013-11-08 17:34:22 -0800 | [diff] [blame] | 49 | struct timeval now{}; |
Darin Petkov | 328e19d | 2012-12-04 15:54:07 +0100 | [diff] [blame] | 50 | time_->GetTimeMonotonic(&now); |
Darin Petkov | 19321e4 | 2012-12-17 15:40:59 +0100 | [diff] [blame] | 51 | if (last_log_stash_ && |
| 52 | last_log_stash_ + kLogStashThrottleSeconds > |
Ben Chan | 7fab897 | 2014-08-10 17:14:46 -0700 | [diff] [blame] | 53 | static_cast<uint64_t>(now.tv_sec)) { |
Darin Petkov | 328e19d | 2012-12-04 15:54:07 +0100 | [diff] [blame] | 54 | LOG(INFO) << "Diagnostics throttled."; |
| 55 | return; |
| 56 | } |
| 57 | |
| 58 | last_log_stash_ = now.tv_sec; |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 59 | // Delete logs possibly stashed by a different user. |
Ben Chan | a0ddf46 | 2014-02-06 11:32:42 -0800 | [diff] [blame] | 60 | base::DeleteFile(stashed_net_log_, false); |
Darin Petkov | 385b9bc | 2012-12-03 15:25:05 +0100 | [diff] [blame] | 61 | |
Darin Petkov | fac01f0 | 2012-12-06 12:44:07 +0100 | [diff] [blame] | 62 | LOG(INFO) << "Spawning " << kNetDiagsUpload << " @ " << last_log_stash_; |
Paul Stewart | a794cd6 | 2015-06-16 13:13:10 -0700 | [diff] [blame] | 63 | vector<char*> args; |
| 64 | args.push_back(const_cast<char*>(kNetDiagsUpload)); |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 65 | if (IsReportingEnabled()) { |
Paul Stewart | a794cd6 | 2015-06-16 13:13:10 -0700 | [diff] [blame] | 66 | args.push_back(const_cast<char*>("--upload")); |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 67 | } |
Ben Chan | cc225ef | 2014-09-30 13:26:51 -0700 | [diff] [blame] | 68 | args.push_back(nullptr); |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 69 | pid_t pid = 0; |
Paul Stewart | a794cd6 | 2015-06-16 13:13:10 -0700 | [diff] [blame] | 70 | struct minijail* jail = minijail_->New(); |
Utkarsh Sanghi | e4c6aff | 2014-07-30 14:49:03 -0700 | [diff] [blame] | 71 | minijail_->DropRoot(jail, kNetDiagsUploadUser, kNetDiagsUploadUser); |
Darin Petkov | 3806676 | 2012-12-17 15:35:45 +0100 | [diff] [blame] | 72 | if (minijail_->RunAndDestroy(jail, args, &pid)) { |
| 73 | process_killer_->Wait(pid, Closure()); |
| 74 | } else { |
| 75 | LOG(ERROR) << "Unable to spawn " << kNetDiagsUpload; |
Darin Petkov | fac01f0 | 2012-12-06 12:44:07 +0100 | [diff] [blame] | 76 | } |
Darin Petkov | 385b9bc | 2012-12-03 15:25:05 +0100 | [diff] [blame] | 77 | } |
| 78 | |
Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 79 | bool DiagnosticsReporter::IsReportingEnabled() { |
| 80 | // TODO(petkov): Implement this when there's a way to control reporting |
Paul Stewart | ee6b3d7 | 2013-07-12 16:07:51 -0700 | [diff] [blame] | 81 | // through policy. crbug.com/218045. |
Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 82 | return false; |
| 83 | } |
| 84 | |
Darin Petkov | f0136cd | 2012-11-07 16:18:02 +0100 | [diff] [blame] | 85 | } // namespace shill |