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//===-- OsLogger.cpp --------------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#include "OsLogger.h"
#include <Availability.h>
#if (LLDB_USE_OS_LOG) && (__MAC_OS_X_VERSION_MAX_ALLOWED >= 101200)
#include <os/log.h>
#include "DNBDefs.h"
#include "DNBLog.h"
#define LLDB_OS_LOG_MAX_BUFFER_LENGTH 256
namespace {
// Darwin os_log logging callback that can be registered with
// DNBLogSetLogCallback
void DarwinLogCallback(void *baton, uint32_t flags, const char *format,
va_list args) {
if (format == nullptr)
return;
static os_log_t g_logger;
if (!g_logger) {
g_logger = os_log_create("com.apple.dt.lldb", "debugserver");
if (!g_logger)
return;
}
os_log_type_t log_type;
if (flags & DNBLOG_FLAG_FATAL)
log_type = OS_LOG_TYPE_FAULT;
else if (flags & DNBLOG_FLAG_ERROR)
log_type = OS_LOG_TYPE_ERROR;
else if (flags & DNBLOG_FLAG_WARNING)
log_type = OS_LOG_TYPE_DEFAULT;
else if (flags & DNBLOG_FLAG_VERBOSE)
log_type = OS_LOG_TYPE_DEBUG;
else
log_type = OS_LOG_TYPE_DEFAULT;
// This code is unfortunate. os_log* only takes static strings, but
// our current log API isn't set up to make use of that style.
char buffer[LLDB_OS_LOG_MAX_BUFFER_LENGTH];
vsnprintf(buffer, sizeof(buffer), format, args);
os_log_with_type(g_logger, log_type, "%{public}s", buffer);
}
}
DNBCallbackLog OsLogger::GetLogFunction() { return DarwinLogCallback; }
#else
DNBCallbackLog OsLogger::GetLogFunction() { return nullptr; }
#endif
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