1 // Copyright 2017 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 "base/fuchsia/fuchsia_logging.h"
6
7 #include <zircon/status.h>
8
9 #include <iomanip>
10 #include <string_view>
11
12 #include "base/location.h"
13 #include "base/process/process.h"
14 #include "base/scoped_clear_last_error.h"
15 #include "base/strings/stringprintf.h"
16
17 namespace logging {
18
ZxLogMessage(const char * file_path,int line,LogSeverity severity,zx_status_t zx_status)19 ZxLogMessage::ZxLogMessage(const char* file_path,
20 int line,
21 LogSeverity severity,
22 zx_status_t zx_status)
23 : LogMessage(file_path, line, severity), zx_status_(zx_status) {}
24
~ZxLogMessage()25 ZxLogMessage::~ZxLogMessage() {
26 AppendError();
27 }
28
AppendError()29 void ZxLogMessage::AppendError() {
30 // Don't let actions from this method affect the system error after returning.
31 base::ScopedClearLastError scoped_clear_last_error;
32
33 // zx_status_t error values are negative, so log the numeric version as
34 // decimal rather than hex. This is also useful to match zircon/errors.h for
35 // grepping.
36 stream() << ": " << zx_status_get_string(zx_status_) << " (" << zx_status_
37 << ")";
38 }
39
~ZxLogMessageFatal()40 ZxLogMessageFatal::~ZxLogMessageFatal() {
41 AppendError();
42 Flush();
43 base::ImmediateCrash();
44 }
45
46 } // namespace logging
47
48 namespace base {
49
50 namespace internal {
51
FidlConnectionErrorMessage(std::string_view protocol_name,std::string_view status_string)52 std::string FidlConnectionErrorMessage(std::string_view protocol_name,
53 std::string_view status_string) {
54 return base::StringPrintf("Failed to connect to %s: %s", protocol_name.data(),
55 status_string.data());
56 }
57
FidlMethodResultErrorMessage(std::string_view formatted_error,std::string_view method_name)58 std::string FidlMethodResultErrorMessage(std::string_view formatted_error,
59 std::string_view method_name) {
60 return base::StringPrintf("Error calling %s: %s", method_name.data(),
61 formatted_error.data());
62 }
63
64 } // namespace internal
65
LogFidlErrorAndExitProcess(const Location & from_here,std::string_view protocol_name)66 fit::function<void(zx_status_t)> LogFidlErrorAndExitProcess(
67 const Location& from_here,
68 std::string_view protocol_name) {
69 return [from_here, protocol_name](zx_status_t status) {
70 {
71 logging::ZxLogMessage(from_here.file_name(), from_here.line_number(),
72 logging::LOGGING_ERROR, status)
73 .stream()
74 << protocol_name << " disconnected unexpectedly, exiting";
75 }
76 base::Process::TerminateCurrentProcessImmediately(1);
77 };
78 }
79
FidlMethodResultErrorMessage(const fit::result<fidl::OneWayError> & result,std::string_view method_name)80 std::string FidlMethodResultErrorMessage(
81 const fit::result<fidl::OneWayError>& result,
82 std::string_view method_name) {
83 CHECK(result.is_error());
84 return internal::FidlMethodResultErrorMessage(
85 result.error_value().FormatDescription(), method_name);
86 }
87
FidlBindingClosureWarningLogger(std::string_view protocol_name)88 fit::function<void(fidl::UnbindInfo)> FidlBindingClosureWarningLogger(
89 std::string_view protocol_name) {
90 return [protocol_name](fidl::UnbindInfo info) {
91 ZX_LOG(WARNING, info.status()) << protocol_name << " unbound";
92 };
93 }
94
95 } // namespace base
96