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67 lines
2.8 KiB
C++
67 lines
2.8 KiB
C++
// Copyright 2019 Google LLC
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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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#ifndef SANDBOXED_API_UTIL_RAW_LOGGING_H_
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#define SANDBOXED_API_UTIL_RAW_LOGGING_H_
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#include "absl/base/internal/raw_logging.h"
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#include "absl/strings/str_cat.h"
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#include "absl/strings/str_format.h"
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#include "sandboxed_api/sandbox2/util/strerror.h"
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namespace sapi {
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namespace internal {
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bool VLogIsOn(int verbose_level);
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} // namespace internal
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} // namespace sapi
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// Returns whether SAPI verbose logging is enabled, as determined by the
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// SAPI_VLOG_LEVEL environment variable.
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#define SAPI_VLOG_IS_ON(verbose_level) ::sapi::internal::VLogIsOn(verbose_level)
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// This is similar to LOG(severity) << format..., but intended for low-level
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// modules that cannot use regular logging (i.e. in static initializers). It
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// also uses printf-style formatting using absl::StrFormat for type-safety.
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#define SAPI_RAW_LOG(severity, format, ...) \
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ABSL_INTERNAL_LOG(severity, absl::StrFormat((format), ##__VA_ARGS__))
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// Like SAPI_RAW_LOG(), but also logs the current value of errno and its
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// corresponding error message.
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#define SAPI_RAW_PLOG(severity, format, ...) \
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ABSL_INTERNAL_LOG( \
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severity, absl::StrCat(absl::StrFormat((format), ##__VA_ARGS__), ": ", \
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::sandbox2::StrError(errno), " [", errno, "]"))
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// If verbose logging is enabled, uses SAPI_RAW_LOG() to log.
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#define SAPI_RAW_VLOG(verbose_level, format, ...) \
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if (sapi::internal::VLogIsOn(verbose_level)) { \
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SAPI_RAW_LOG(INFO, (format), ##__VA_ARGS__); \
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}
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// Like regular CHECK(), but uses raw logging and printf-style formatting.
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#define SAPI_RAW_CHECK(condition, format, ...) \
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ABSL_INTERNAL_CHECK((condition), absl::StrFormat((format), ##__VA_ARGS__))
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// Like SAPI_RAW_CHECK(), but also logs errno and a message (similar to
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// SAPI_RAW_PLOG()).
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#define SAPI_RAW_PCHECK(condition, format, ...) \
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ABSL_INTERNAL_CHECK( \
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(condition), \
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absl::StrCat(absl::StrFormat((format), ##__VA_ARGS__), ": ", \
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::sandbox2::StrError(errno), " [", errno, "]"))
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#endif // SANDBOXED_API_UTIL_RAW_LOGGING_H_
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