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# Copyright (c) 2017-2022 Cloudflare, Inc.
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# Licensed under the Apache 2.0 license found in the LICENSE file or at:
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#     https://opensource.org/licenses/Apache-2.0
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@0x9f8a7b6c5d4e3f2a;
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using Cxx = import "/capnp/c++.capnp";
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using Json = import "/capnp/compat/json.capnp";
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$Cxx.namespace("workerd::server::log_schema");
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$Cxx.allowCancellation;
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struct LogEntry {
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  # Structured log entry for workerd JSON logging
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  timestamp @0 :UInt64 $Json.name("timestamp");
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  # Unix timestamp in milliseconds when the log was generated
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  level @1 :LogLevel $Json.name("level");
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  # Severity level of the log message
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  source @2 :Text $Json.name("source");
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  # Source file and line number where the log originated (e.g., "server.c++:123")
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  message @3 :Text $Json.name("message");
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  # The actual log message content
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  contextDepth @4 :UInt32 $Json.name("context_depth");
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  # Context depth for nested operations (optional, only included if > 0)
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  enum LogLevel {
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    debug @0 $Cxx.name("debug_") $Json.name("debug");
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    # in C++, the constant will be DEBUG_ to avoid clashing with the DEBUG macro
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    info @1 $Json.name("info");
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    warning @2 $Json.name("warning");
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    error @3 $Json.name("error");
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    fatal @4 $Json.name("fatal");
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  }
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}