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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "packets.h"
#include "mapnames.h"
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/fnet/databuffer.h>
#include <vespa/log/log.h>
LOG_SETUP(".searchlib.common.fs4packets");
using vespalib::make_string;
using vespalib::stringref;
namespace search::fs4transport {
/**
* Persistent packet streamer.
**/
FS4PersistentPacketStreamer FS4PersistentPacketStreamer::Instance;
//============================================================
FS4PersistentPacketStreamer::
FS4PersistentPacketStreamer()
: _compressionLimit(0),
_compressionLevel(9),
_compressionType(CompressionConfig::LZ4)
{ }
//============================================================
FS4Properties::FS4Properties()
: _entries(),
_name(),
_backing()
{ }
FS4Properties::FS4Properties(FS4Properties && rhs) noexcept
: _entries(std::move(rhs._entries)),
_name(std::move(rhs._name)),
_backing(std::move(rhs._backing))
{ }
FS4Properties &
FS4Properties::operator=(FS4Properties && rhs) noexcept
{
_entries = std::move(rhs._entries);
_name = std::move(rhs._name);
_backing = std::move(rhs._backing);
return *this;
}
FS4Properties::~FS4Properties() = default;
void FS4Properties::set(StringRef & e, vespalib::stringref s)
{
e.first = _backing.size();
e.second = s.size();
_backing.append(s.data(), s.size());
}
void
FS4Properties::setKey(uint32_t entry, const char *key, uint32_t keySize)
{
set(_entries[entry].first, vespalib::stringref(key, keySize));
}
void
FS4Properties::setValue(uint32_t entry, const char *value, uint32_t valueSize)
{
set(_entries[entry].second, vespalib::stringref(value, valueSize));
}
uint32_t
FS4Properties::getLength() const noexcept
{
uint32_t len = sizeof(uint32_t) * 2 + name().size();
len += _backing.size();
len += _entries.size() * sizeof(uint32_t) * 2;
return len;
}
vespalib::stringref
FS4Properties::key(uint32_t entry) const noexcept {
auto pair = _entries[entry].first;
return {c_str(pair.first), pair.second};
}
vespalib::stringref
FS4Properties::value(uint32_t entry) const noexcept {
auto pair = _entries[entry].second;
return {c_str(pair.first), pair.second};
}
vespalib::string
FS4Properties::toString(uint32_t indent) const
{
vespalib::string s;
s += make_string("%*sProperties {\n", indent, "");
s += make_string("%*s name: ", indent, "");
s += _name;
s += "\n";
for (uint32_t i = 0; i < size(); ++i) {
s += make_string("%*s Entry[%d] {\n", indent, "", i);
s += make_string("%*s key : %s\n", indent, "", string(key(i)).c_str());
s += make_string("%*s value: %s\n", indent, "", string(value(i)).c_str());
s += make_string("%*s }\n", indent, "");
}
s += make_string("%*s}\n", indent, "");
return s;
}
bool
FS4Properties::decode(FNET_DataBuffer &src, uint32_t &len)
{
if (len < sizeof(uint32_t)) return false;
uint32_t strLen = src.ReadInt32();
len -= sizeof(uint32_t);
if (len < strLen) return false;
setName(src.GetData(), strLen);
src.DataToDead(strLen);
len -= strLen;
if (len < sizeof(uint32_t)) return false;
uint32_t cnt = src.ReadInt32();
len -= sizeof(uint32_t);
allocEntries(cnt);
for (uint32_t i = 0; i < cnt; ++i) {
if (len < sizeof(uint32_t)) return false;
strLen = src.ReadInt32();
len -= sizeof(uint32_t);
if (len < strLen) return false;
setKey(i, src.GetData(), strLen);
src.DataToDead(strLen);
len -= strLen;
if (len < sizeof(uint32_t)) return false;
strLen = src.ReadInt32();
len -= sizeof(uint32_t);
if (len < strLen) return false;
setValue(i, src.GetData(), strLen);
src.DataToDead(strLen);
len -= strLen;
}
return true;
}
void
FS4Properties::allocEntries(uint32_t cnt)
{
_entries.resize(cnt);
_backing.reserve(cnt*2*40); // Assume strings are average 40 bytes
}
}
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