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//===-- ActivityStreamSPI.h -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_DARWINLOG_ACTIVITYSTREAMSPI_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_DARWINLOG_ACTIVITYSTREAMSPI_H
#include <sys/time.h>
#include <xpc/xpc.h>
#define OS_ACTIVITY_MAX_CALLSTACK 32
// Enums
enum {
OS_ACTIVITY_STREAM_PROCESS_ONLY = 0x00000001,
OS_ACTIVITY_STREAM_SKIP_DECODE = 0x00000002,
OS_ACTIVITY_STREAM_PAYLOAD = 0x00000004,
OS_ACTIVITY_STREAM_HISTORICAL = 0x00000008,
OS_ACTIVITY_STREAM_CALLSTACK = 0x00000010,
OS_ACTIVITY_STREAM_DEBUG = 0x00000020,
OS_ACTIVITY_STREAM_BUFFERED = 0x00000040,
OS_ACTIVITY_STREAM_NO_SENSITIVE = 0x00000080,
OS_ACTIVITY_STREAM_INFO = 0x00000100,
OS_ACTIVITY_STREAM_PROMISCUOUS = 0x00000200,
OS_ACTIVITY_STREAM_PRECISE_TIMESTAMPS = 0x00000200
};
typedef uint32_t os_activity_stream_flag_t;
enum {
OS_ACTIVITY_STREAM_TYPE_ACTIVITY_CREATE = 0x0201,
OS_ACTIVITY_STREAM_TYPE_ACTIVITY_TRANSITION = 0x0202,
OS_ACTIVITY_STREAM_TYPE_ACTIVITY_USERACTION = 0x0203,
OS_ACTIVITY_STREAM_TYPE_TRACE_MESSAGE = 0x0300,
OS_ACTIVITY_STREAM_TYPE_LOG_MESSAGE = 0x0400,
OS_ACTIVITY_STREAM_TYPE_LEGACY_LOG_MESSAGE = 0x0480,
OS_ACTIVITY_STREAM_TYPE_SIGNPOST_BEGIN = 0x0601,
OS_ACTIVITY_STREAM_TYPE_SIGNPOST_END = 0x0602,
OS_ACTIVITY_STREAM_TYPE_SIGNPOST_EVENT = 0x0603,
OS_ACTIVITY_STREAM_TYPE_STATEDUMP_EVENT = 0x0A00,
};
typedef uint32_t os_activity_stream_type_t;
enum {
OS_ACTIVITY_STREAM_EVENT_STARTED = 1,
OS_ACTIVITY_STREAM_EVENT_STOPPED = 2,
OS_ACTIVITY_STREAM_EVENT_FAILED = 3,
OS_ACTIVITY_STREAM_EVENT_CHUNK_STARTED = 4,
OS_ACTIVITY_STREAM_EVENT_CHUNK_FINISHED = 5,
};
typedef uint32_t os_activity_stream_event_t;
// Types
typedef uint64_t os_activity_id_t;
typedef struct os_activity_stream_s *os_activity_stream_t;
typedef struct os_activity_stream_entry_s *os_activity_stream_entry_t;
#define OS_ACTIVITY_STREAM_COMMON() \
uint64_t trace_id; \
uint64_t timestamp; \
uint64_t thread; \
const uint8_t *image_uuid; \
const char *image_path; \
struct timeval tv_gmt; \
struct timezone tz; \
uint32_t offset
typedef struct os_activity_stream_common_s {
OS_ACTIVITY_STREAM_COMMON();
} * os_activity_stream_common_t;
struct os_activity_create_s {
OS_ACTIVITY_STREAM_COMMON();
const char *name;
os_activity_id_t creator_aid;
uint64_t unique_pid;
};
struct os_activity_transition_s {
OS_ACTIVITY_STREAM_COMMON();
os_activity_id_t transition_id;
};
typedef struct os_log_message_s {
OS_ACTIVITY_STREAM_COMMON();
const char *format;
const uint8_t *buffer;
size_t buffer_sz;
const uint8_t *privdata;
size_t privdata_sz;
const char *subsystem;
const char *category;
uint32_t oversize_id;
uint8_t ttl;
bool persisted;
} * os_log_message_t;
typedef struct os_trace_message_v2_s {
OS_ACTIVITY_STREAM_COMMON();
const char *format;
const void *buffer;
size_t bufferLen;
xpc_object_t __unsafe_unretained payload;
} * os_trace_message_v2_t;
typedef struct os_activity_useraction_s {
OS_ACTIVITY_STREAM_COMMON();
const char *action;
bool persisted;
} * os_activity_useraction_t;
typedef struct os_signpost_s {
OS_ACTIVITY_STREAM_COMMON();
const char *format;
const uint8_t *buffer;
size_t buffer_sz;
const uint8_t *privdata;
size_t privdata_sz;
const char *subsystem;
const char *category;
uint64_t duration_nsec;
uint32_t callstack_depth;
uint64_t callstack[OS_ACTIVITY_MAX_CALLSTACK];
} * os_signpost_t;
typedef struct os_activity_statedump_s {
OS_ACTIVITY_STREAM_COMMON();
char *message;
size_t message_size;
char image_path_buffer[PATH_MAX];
} * os_activity_statedump_t;
struct os_activity_stream_entry_s {
os_activity_stream_type_t type;
// information about the process streaming the data
pid_t pid;
uint64_t proc_id;
const uint8_t *proc_imageuuid;
const char *proc_imagepath;
// the activity associated with this streamed event
os_activity_id_t activity_id;
os_activity_id_t parent_id;
union {
struct os_activity_stream_common_s common;
struct os_activity_create_s activity_create;
struct os_activity_transition_s activity_transition;
struct os_log_message_s log_message;
struct os_trace_message_v2_s trace_message;
struct os_activity_useraction_s useraction;
struct os_signpost_s signpost;
struct os_activity_statedump_s statedump;
};
};
// Blocks
typedef bool (^os_activity_stream_block_t)(os_activity_stream_entry_t entry,
int error);
typedef void (^os_activity_stream_event_block_t)(
os_activity_stream_t stream, os_activity_stream_event_t event);
// SPI entry point prototypes
typedef os_activity_stream_t (*os_activity_stream_for_pid_t)(
pid_t pid, os_activity_stream_flag_t flags,
os_activity_stream_block_t stream_block);
typedef void (*os_activity_stream_resume_t)(os_activity_stream_t stream);
typedef void (*os_activity_stream_cancel_t)(os_activity_stream_t stream);
typedef char *(*os_log_copy_formatted_message_t)(os_log_message_t log_message);
typedef void (*os_activity_stream_set_event_handler_t)(
os_activity_stream_t stream, os_activity_stream_event_block_t block);
#endif // LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_DARWINLOG_ACTIVITYSTREAMSPI_H
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