1 // Copyright 2014 The Chromium Authors
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 "components/nacl/renderer/trusted_plugin_channel.h"
6
7 #include <utility>
8
9 #include "base/functional/bind.h"
10 #include "base/functional/callback_helpers.h"
11 #include "components/nacl/renderer/histogram.h"
12 #include "components/nacl/renderer/nexe_load_manager.h"
13 #include "ppapi/c/pp_errors.h"
14
15 namespace nacl {
16
TrustedPluginChannel(NexeLoadManager * nexe_load_manager,mojo::PendingReceiver<mojom::NaClRendererHost> receiver,bool is_helper_nexe)17 TrustedPluginChannel::TrustedPluginChannel(
18 NexeLoadManager* nexe_load_manager,
19 mojo::PendingReceiver<mojom::NaClRendererHost> receiver,
20 bool is_helper_nexe)
21 : nexe_load_manager_(nexe_load_manager),
22 receiver_(this, std::move(receiver)),
23 is_helper_nexe_(is_helper_nexe) {
24 receiver_.set_disconnect_handler(base::BindOnce(
25 &TrustedPluginChannel::OnChannelError, base::Unretained(this)));
26 }
27
~TrustedPluginChannel()28 TrustedPluginChannel::~TrustedPluginChannel() {
29 }
30
OnChannelError()31 void TrustedPluginChannel::OnChannelError() {
32 if (!is_helper_nexe_)
33 nexe_load_manager_->NexeDidCrash();
34 }
35
ReportExitStatus(int exit_status,ReportExitStatusCallback callback)36 void TrustedPluginChannel::ReportExitStatus(int exit_status,
37 ReportExitStatusCallback callback) {
38 std::move(callback).Run();
39 if (!is_helper_nexe_)
40 nexe_load_manager_->set_exit_status(exit_status);
41 }
42
ReportLoadStatus(NaClErrorCode load_status,ReportLoadStatusCallback callback)43 void TrustedPluginChannel::ReportLoadStatus(NaClErrorCode load_status,
44 ReportLoadStatusCallback callback) {
45 std::move(callback).Run();
46 if (load_status < 0 || load_status > NACL_ERROR_CODE_MAX) {
47 load_status = LOAD_STATUS_UNKNOWN;
48 }
49 // For now, we only report UMA for non-helper nexes
50 // (don't report for the PNaCl translators nexes).
51 if (!is_helper_nexe_) {
52 HistogramEnumerate("NaCl.LoadStatus.SelLdr", load_status,
53 NACL_ERROR_CODE_MAX);
54 // Gather data to see if being installed changes load outcomes.
55 const char* name = nexe_load_manager_->is_installed()
56 ? "NaCl.LoadStatus.SelLdr.InstalledApp"
57 : "NaCl.LoadStatus.SelLdr.NotInstalledApp";
58 HistogramEnumerate(name, load_status, NACL_ERROR_CODE_MAX);
59 }
60 if (load_status != LOAD_OK) {
61 nexe_load_manager_->ReportLoadError(PP_NACL_ERROR_SEL_LDR_START_STATUS,
62 NaClErrorString(load_status));
63 }
64 }
65
ProvideExitControl(mojo::PendingRemote<mojom::NaClExitControl> exit_control)66 void TrustedPluginChannel::ProvideExitControl(
67 mojo::PendingRemote<mojom::NaClExitControl> exit_control) {
68 exit_control_.Bind(std::move(exit_control));
69 }
70
71 } // namespace nacl
72