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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "info.h"
#include <vespa/vespalib/component/vtag.h>
#include <vespa/log/log.h>
LOG_SETUP(".fnet");
uint32_t FNET_Info::_endian = FNET_Info::ENDIAN_UNKNOWN;
FNET_Info::FNET_Info()
{
uint8_t *pt = nullptr;
uint64_t cmp = 0;
uint32_t endian = ENDIAN_UNKNOWN;
uint16_t intval16;
uint32_t intval32;
uint64_t intval64;
pt = (uint8_t *) &intval16;
pt[0] = 1;
pt[1] = 2;
pt = (uint8_t *) &intval32;
pt[0] = 1;
pt[1] = 2;
pt[2] = 3;
pt[3] = 4;
pt = (uint8_t *) &intval64;
pt[0] = 1;
pt[1] = 2;
pt[2] = 3;
pt[3] = 4;
pt[4] = 5;
pt[5] = 6;
pt[6] = 7;
pt[7] = 8;
cmp = 0x08070605;
cmp = (cmp << 32) + 0x04030201;
if (intval16 == 0x0201 &&
intval32 == 0x04030201 &&
intval64 == cmp)
endian = ENDIAN_LITTLE;
cmp = 0x01020304;
cmp = (cmp << 32) + 0x05060708;
if (intval16 == 0x0102 &&
intval32 == 0x01020304 &&
intval64 == cmp)
endian = ENDIAN_BIG;
_endian = endian;
}
const char*
FNET_Info::GetFNETVersion()
{
return vespalib::VersionTag;
}
void
FNET_Info::PrintInfo()
{
printf("This method is deprecated. "
"Use the FNET_Info::LogInfo method instead.\n");
}
void
FNET_Info::LogInfo()
{
LOG(info, "FNET Version : %s", GetFNETVersion());
const char *endian_str = "UNKNOWN";
if (_endian == ENDIAN_LITTLE)
endian_str = "LITTLE";
if (_endian == ENDIAN_BIG)
endian_str = "BIG";
LOG(info, "Host Endian : %s", endian_str);
const char *thread_str = HasThreads() ? "true" : "false";
LOG(info, "Thread support : %s", thread_str);
}
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