blob: 0130fa970e69b8f93788c1af6abe238e63b15263 [file] [log] [blame]
// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This header file defines wire format to transfer logs to listening service.
#include <lib/syslog/logger.h>
#include <zircon/types.h>
// Defines max length for storing log_metadata, tags and msgbuffer.
// TODO(anmittal): Increase it when zircon sockets are able to support a higher
// buffer.
#define FX_LOG_MAX_DATAGRAM_LEN (2032)
typedef struct fx_log_metadata {
zx_koid_t pid;
zx_koid_t tid;
zx_time_t time;
fx_log_severity_t severity;
// Increment this field whenever there is a socket write error and client
// drops the log and send it with next log msg.
uint32_t dropped_logs;
} fx_log_metadata_t;
// Packet to transfer over socket.
typedef struct fx_log_packet {
fx_log_metadata_t metadata;
// Contains concatenated tags and message and a null terminating character at
// the end.
char data[FX_LOG_MAX_DATAGRAM_LEN - sizeof(fx_log_metadata_t)];
} fx_log_packet_t;