more crap

This commit is contained in:
Philippe G
2022-01-04 17:22:32 -08:00
parent 47ad526890
commit 54440e87b6
10 changed files with 294 additions and 626 deletions

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// Copyright (c) Kuba Szczodrzyński 2021-12-21.
#include "BellSocket.h"
#include <cstring>
void bell::Socket::open(const std::string &url) {
auto *urlStr = url.c_str();
bool https = urlStr[4] == 's';
uint16_t port = https ? 443 : 80;
auto *hostname = urlStr + (https ? 8 : 7);
auto *hostnameEnd = strchr(hostname, ':');
auto *path = strchr(hostname, '/');
if (hostnameEnd == nullptr) {
hostnameEnd = path;
} else {
port = strtol(hostnameEnd + 1, nullptr, 10);
}
auto hostnameStr = std::string(hostname, (const char *)hostnameEnd);
this->open(hostnameStr, port);
}

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// Copyright (c) Kuba Szczodrzyński 2021-12-21.
#include "HTTPClient.h"
#include "TCPSocket.h"
using namespace bell;
struct HTTPClient::HTTPResponse *HTTPClient::execute(const struct HTTPRequest &request) {
auto *response = new HTTPResponse();
auto *url = request.url.c_str();
HTTPClient::executeImpl(request, url, response);
return response;
}
void HTTPClient::executeImpl(const struct HTTPRequest &request, const char *url, struct HTTPResponse *&response) {
bool https = url[4] == 's';
uint16_t port = https ? 443 : 80;
auto *hostname = url + (https ? 8 : 7);
auto *hostnameEnd = strchr(hostname, ':');
auto *path = strchr(hostname, '/');
if (hostnameEnd == nullptr) {
hostnameEnd = path;
} else {
port = strtol(hostnameEnd + 1, nullptr, 10);
}
auto hostnameStr = std::string(hostname, (const char *)hostnameEnd);
if (https) {
response->socket = std::make_shared<TLSSocket>();
} else {
response->socket = std::make_shared<TCPSocket>();
}
response->socket->open(hostnameStr, port);
const char *endl = "\r\n";
std::stringstream stream;
switch (request.method) {
case HTTPMethod::GET:
stream << "GET ";
break;
case HTTPMethod::POST:
stream << "POST ";
break;
}
stream << path << " HTTP/1.1" << endl;
stream << "Host: " << hostnameStr << ":" << port << endl;
stream << "Accept: */*" << endl;
if (!request.body.empty()) {
stream << "Content-Type: " << request.contentType << endl;
stream << "Content-Length: " << request.body.size() << endl;
}
for (const auto &header : request.headers) {
stream << header.first << ": " << header.second << endl;
}
stream << endl;
stream << request.body;
std::string data = stream.str();
size_t len = response->socket->write((uint8_t *)data.c_str(), data.size());
if (len != data.size()) {
response->close();
BELL_LOG(error, "http", "Writing failed: wrote %d of %d bytes", len, data.size());
free(response);
response = nullptr;
return;
}
response->readHeaders();
if (response->isRedirect && (request.maxRedirects < 0 || response->redirectCount < request.maxRedirects)) {
response->redirectCount++;
response->close(); // close the previous socket
HTTPClient::executeImpl(request, response->location.c_str(), response);
}
}
bool HTTPClient::readHeader(const char *&header, const char *name) {
size_t len = strlen(name);
if (strncasecmp(header, name, len) == 0) {
header += len;
while (*header == ' ')
header++;
return true;
}
return false;
}
size_t HTTPClient::HTTPResponse::readRaw(char *dst) {
size_t len = this->socket->read((uint8_t *)dst, BUF_SIZE);
// BELL_LOG(debug, "http", "Read %d bytes", len);
this->bodyRead += len; // after reading headers this gets overwritten
dst[len] = '\0';
return len;
}
void HTTPClient::HTTPResponse::readHeaders() {
size_t len;
char *line, *lineEnd;
bool complete = false;
std::string lineBuf;
if (this->buf == nullptr) { // allocate a buffer
this->buf = static_cast<char *>(malloc(BUF_SIZE + 1));
this->bufPtr = this->buf;
}
// reset everything after a redirect
this->statusCode = 0;
this->contentLength = 0;
this->isChunked = false;
this->isGzip = false;
this->isComplete = false;
this->isRedirect = false;
this->isStreaming = false;
do {
len = this->readRaw(this->buf);
line = this->buf;
do {
lineEnd = strstr(line, "\r\n");
if (!lineEnd) {
lineBuf += std::string(line, this->buf + len);
break;
}
lineBuf += std::string(line, lineEnd);
if (lineBuf.empty()) {
complete = true;
// if body is present in buf, move the reading pointer
if (lineEnd + 2 < this->buf + len) {
this->bufPtr = lineEnd + 2;
this->bufRemaining = len - (this->bufPtr - this->buf);
this->bodyRead = this->bufRemaining;
this->isStreaming =
!this->isComplete && !this->contentLength && (len < BUF_SIZE || this->socket->poll() == 0);
}
break;
}
auto *header = lineBuf.c_str();
if (strncmp(header, "HTTP/", 5) == 0) {
header += 9; // skip "1.1 "
this->statusCode = strtol(header, nullptr, 10);
} else if (readHeader(header, "content-type:")) {
this->contentType = std::string(header);
} else if (readHeader(header, "content-length:")) {
this->contentLength = strtol(header, nullptr, 10);
if (!this->contentLength)
this->isComplete = true; // forbid reading of the body
} else if (readHeader(header, "transfer-encoding:")) {
this->isChunked = strncmp(header, "chunked", 7) == 0;
} else if (readHeader(header, "location:")) {
this->isRedirect = true;
this->location = std::string(header);
} else {
char *colonPtr = (char*) strchr(header, ':');
if (colonPtr) {
auto *valuePtr = colonPtr + 1;
while (*valuePtr == ' ')
valuePtr++;
*colonPtr = '\0';
for (auto *p = (char *)header; *p; ++p) // convert header name to lower case
*p = (char)tolower(*p);
this->headers[std::string(header)] = std::string(valuePtr);
}
}
lineBuf.clear();
line = lineEnd + 2; // skip \r\n
} while (true);
} while (!complete);
}
bool HTTPClient::HTTPResponse::skip(size_t len, bool dontRead) {
size_t skip = 0;
if (len > bufRemaining) {
skip = len - bufRemaining;
len = bufRemaining;
}
bufRemaining -= len;
bufPtr += len;
if (!bufRemaining && !dontRead) { // don't read more data after a chunk's \r\n
if (isComplete || (contentLength && bodyRead >= contentLength && !chunkRemaining)) {
isComplete = true;
return false;
}
bufRemaining = this->readRaw(this->buf);
if (!bufRemaining)
return false; // no more data - shouldn't happen for valid responses
bufPtr = this->buf + skip;
bufRemaining -= skip;
if (!contentLength && bufRemaining < BUF_SIZE) {
// no content length set and the TCP buffer is not yielding more data, yet
isStreaming = true;
}
}
return true;
}
size_t HTTPClient::HTTPResponse::read(char *dst, size_t toRead) {
if (isComplete) {
// end of chunked stream was found OR complete body was read
dst[0] = '\0';
return 0;
}
auto *dstStart = dst;
size_t read = 0;
while (toRead) { // this loop ends after original toRead
skip(0); // ensure the buffer contains data, wait if necessary
if (isChunked && !chunkRemaining) {
if (*bufPtr == '0') { // all chunks were read *and emitted*
isComplete = true;
break;
}
auto *endPtr = bufPtr;
if (strchr(bufPtr, '\r') == nullptr) { // buf doesn't contain complete chunk size
auto size = std::string(bufPtr, bufPtr + bufRemaining); // take the rest of the buffer
if (!skip(bufRemaining)) // skip the rest, read another buf
break; // -> no more data
endPtr = strchr(bufPtr, '\r'); // find the end of the actual number
if (endPtr == nullptr) // something's wrong
break; // - give up
size += std::string(bufPtr, endPtr); // append the newly read size
chunkRemaining = std::stoul(size, nullptr, 16); // read the hex size
} else {
chunkRemaining = strtol(bufPtr, &endPtr, 16); // read the hex size
}
if (!skip(endPtr - bufPtr + 2)) // skip the size and \r\n
break; // -> no more data, break out of main loop
} else if (contentLength && !chunkRemaining) {
chunkRemaining = contentLength;
}
while (chunkRemaining && toRead) {
size_t count = std::min(toRead, std::min(bufRemaining, chunkRemaining));
strncpy(dst, bufPtr, count);
dst += count; // move the dst pointer
read += count; // increment read counter
chunkRemaining -= count; // decrease chunk remaining size
toRead -= count; // decrease local remaining size
if (!skip(count)) { // eat some buffer
toRead = 0; // -> no more data, break out of main loop
break;
}
if (isChunked && !chunkRemaining && !skip(2, isStreaming)) // skip the \r\n for chunked encoding
toRead = 0; // -> no more data, break out of main loop
}
if (isStreaming && !bufRemaining) { // stream with no buffer available, just yield the current chunk
break;
}
}
if (!isChunked && contentLength && !chunkRemaining)
isComplete = true;
// BELL_LOG(debug, "http", "Read %d of %d bytes", bodyRead, contentLength);
dstStart[read] = '\0';
return read;
}
std::string HTTPClient::HTTPResponse::readToString() {
if (this->contentLength) {
std::string result(this->contentLength, '\0');
this->read(result.data(), this->contentLength);
this->close();
return result;
}
std::string result;
char buffer[BUF_SIZE];
size_t len;
do {
len = this->read(buffer, BUF_SIZE);
result += std::string(buffer);
} while (len);
this->close();
return result;
}

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@@ -1,42 +0,0 @@
#ifndef PBCOMMON_H
#define PBCOMMON_H
#include <cstdint>
#include <PbWriter.h>
#include <optional>
#include <PbReader.h>
class BaseProtobufMessage
{
private:
public:
bool firstField = true;
uint32_t lastMessagePosition;
void parseFromVector(std::vector<uint8_t> const &rawData)
{
auto reader = std::make_shared<PbReader>(rawData);
parseWithReader(reader);
}
void encodeToVector(std::vector<uint8_t> &rawData)
{
auto writer = std::make_shared<PbWriter>(rawData);
encodeWithWriter(writer);
}
void parseWithReader(std::shared_ptr<PbReader> reader)
{
firstField = true;
while (reader->next())
{
if (!decodeField(reader))
{
reader->skip();
} else {
firstField = false;
}
}
}
virtual void encodeWithWriter(std::shared_ptr<PbWriter> writer) = 0;
virtual bool decodeField(std::shared_ptr<PbReader> reader) = 0;
};
#endif

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@@ -1,42 +0,0 @@
#ifndef PBREADER_H
#define PBREADER_H
#include <vector>
#include <string>
#include <memory>
#include <PbWireType.h>
class PbReader
{
private:
std::vector<uint8_t> const &rawData;
uint32_t currentWireValue = 0;
uint64_t skipVarIntDump = 0;
uint32_t nextFieldLength = 0;
int64_t decodeZigzag(uint64_t value);
public:
PbReader(std::vector<uint8_t> const &rawData);
uint32_t maxPosition = 0;
PbWireType currentWireType = PbWireType::unknown;
uint32_t currentTag = 0;
uint32_t pos = 0;
template <typename T>
T decodeVarInt();
template <typename T>
T decodeFixed();
template <typename T>
T decodeSVarInt();
void decodeString(std::string &target);
void decodeVector(std::vector<uint8_t> &target);
bool next();
void skip();
void resetMaxPosition();
};
#endif

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@@ -1,15 +0,0 @@
#ifndef PBWIRETYPE_H
#define PBWIRETYPE_H
#include <cstdint>
enum class PbWireType : uint32_t
{
varint = 0, // int32/64, uint32/64, sint32/64, bool, enum
fixed64 = 1, // fixed64, sfixed64, double
length_delimited = 2, // string, bytes, nested messages, packed repeated fields
fixed32 = 5, // fixed32, sfixed32, float
unknown = 99
};
#endif

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@@ -1,39 +0,0 @@
#ifndef PBWRITER_H
#define PBWRITER_H
#include <vector>
#include <string>
#include <memory>
#include <PbWireType.h>
class PbWriter
{
private:
std::vector<uint8_t> &rawData;
uint32_t pos;
uint32_t msgStartPos = 0;
void encodeVarInt(uint32_t low, uint32_t high, int32_t atIndex = 0);
uint32_t encodeZigzag32(int32_t value);
uint64_t encodeZigzag64(int64_t value);
public:
PbWriter(std::vector<uint8_t> &rawData);
template <typename T>
void encodeVarInt(T, int32_t atIndex = 0);
template <typename T>
void encodeFixed(T);
void addSVarInt32(uint32_t tag, int32_t);
void addSVarInt64(uint32_t tag, int64_t);
void addString(uint32_t tag, std::string &target);
void addVector(uint32_t tag, std::vector<uint8_t> &target);
template <typename T>
void addVarInt(uint32_t tag, T intType);
void addBool(uint32_t tag, bool value);
void addField(uint32_t tag, PbWireType wiretype);
uint32_t startMessage();
void finishMessage(uint32_t tag, uint32_t pos);
};
#endif

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@@ -1,37 +0,0 @@
#ifndef PROTOBUF_H
#define PROTOBUF_H
#include <iostream>
#include <memory>
#include "protobuf.h"
#include <PbReader.h>
#include <PbCommon.h>
std::optional<AnyRef> findFieldWithProtobufTag(AnyRef ref, uint32_t tag);
void decodeField(std::shared_ptr<PbReader> reader, AnyRef any);
void decodeProtobuf(std::shared_ptr<PbReader> reader, AnyRef any);
void encodeProtobuf(std::shared_ptr<PbWriter> writer, AnyRef any, uint32_t protobufTag = 0);
template <typename T>
std::vector<uint8_t> encodePb(T & data)
{
auto ref = AnyRef::of(&data);
std::vector<uint8_t> rawData;;
auto writer = std::make_shared<PbWriter>(rawData);
encodeProtobuf(writer, ref);
return rawData;
}
template <typename T>
T decodePb(std::vector<uint8_t> & bytes)
{
T data = {};
auto ref = AnyRef::of(&data);
auto writer = std::make_shared<PbReader>(bytes);
decodeProtobuf(writer, ref);
return data;
}
#endif

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@@ -1,116 +0,0 @@
#include "PbReader.h"
#include <iostream>
PbReader::PbReader(std::vector<uint8_t> const &rawData) : rawData(rawData)
{
maxPosition = rawData.size();
}
template <typename T>
T PbReader::decodeVarInt()
{
uint8_t byte;
uint_fast8_t bitpos = 0;
uint64_t storago = 0;
do
{
byte = this->rawData[pos];
pos++;
storago |= (uint64_t)(byte & 0x7F) << bitpos;
bitpos = (uint_fast8_t)(bitpos + 7);
} while (byte & 0x80);
return static_cast<T>(storago);
}
template <typename T>
T PbReader::decodeFixed()
{
pos += sizeof(T);
return *(T*)(&this->rawData[pos - sizeof(T)]);
}
template int32_t PbReader::decodeFixed();
template int64_t PbReader::decodeFixed();
template uint32_t PbReader::decodeVarInt();
template int64_t PbReader::decodeVarInt();
template int32_t PbReader::decodeVarInt();
template bool PbReader::decodeVarInt();
void PbReader::resetMaxPosition()
{
maxPosition = rawData.size();
}
void PbReader::decodeString(std::string &target)
{
nextFieldLength = decodeVarInt<uint32_t>();
target.resize(nextFieldLength);
// std::cout << "rawData.size() = " << rawData.size() << " pos = " << pos << " nextFieldLength =" << nextFieldLength;
// printf("\n%d, \n", currentTag);
// if (pos + nextFieldLength >= rawData.size())
// {
// std::cout << " \nBAD -- pos + nextFieldLength >= rawData.size() MSVC IS LITERLALLY SHAKING AND CRYING RN";
// }
// std::cout << std::endl;
std::copy(rawData.begin() + pos, rawData.begin() + pos + nextFieldLength, target.begin());
pos += nextFieldLength;
}
void PbReader::decodeVector(std::vector<uint8_t> &target)
{
nextFieldLength = decodeVarInt<uint32_t>();
target.resize(nextFieldLength);
std::copy(rawData.begin() + pos, rawData.begin() + pos + nextFieldLength, target.begin());
pos += nextFieldLength;
}
bool PbReader::next()
{
if (pos >= maxPosition)
return false;
currentWireValue = decodeVarInt<uint32_t>();
currentTag = currentWireValue >> 3U;
currentWireType = PbWireType(currentWireValue & 0x07U);
return true;
}
int64_t PbReader::decodeZigzag(uint64_t value)
{
return static_cast<int64_t>((value >> 1U) ^ static_cast<uint64_t>(-static_cast<int64_t>(value & 1U)));
}
template <typename T>
T PbReader::decodeSVarInt()
{
skipVarIntDump = decodeVarInt<uint64_t>();
return static_cast<T>(decodeZigzag(skipVarIntDump));
}
template int32_t PbReader::decodeSVarInt();
template int64_t PbReader::decodeSVarInt();
void PbReader::skip()
{
switch (currentWireType)
{
case PbWireType::varint:
skipVarIntDump = decodeVarInt<uint64_t>();
break;
case PbWireType::fixed64:
pos += 8;
break;
case PbWireType::length_delimited:
nextFieldLength = decodeVarInt<uint32_t>();
pos += nextFieldLength;
break;
case PbWireType::fixed32:
pos += 4;
break;
default:
break;
}
}

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@@ -1,142 +0,0 @@
#include "PbWriter.h"
PbWriter::PbWriter(std::vector<uint8_t> &rawData) : rawData(rawData)
{
}
void PbWriter::encodeVarInt(uint32_t low, uint32_t high, int32_t indexOffset)
{
size_t i = 0;
uint8_t byte = (uint8_t)(low & 0x7F);
low >>= 7;
while (i < 4 && (low != 0 || high != 0))
{
byte |= 0x80;
rawData.insert(rawData.end() + indexOffset, byte);
i++;
byte = (uint8_t)(low & 0x7F);
low >>= 7;
}
if (high)
{
byte = (uint8_t)(byte | ((high & 0x07) << 4));
high >>= 3;
while (high)
{
byte |= 0x80;
rawData.insert(rawData.end() + indexOffset, byte);
i++;
byte = (uint8_t)(high & 0x7F);
high >>= 7;
}
}
rawData.insert(rawData.end() + indexOffset, byte);
}
template void PbWriter::encodeVarInt(uint8_t, int32_t);
template void PbWriter::encodeVarInt(uint32_t, int32_t);
template void PbWriter::encodeVarInt(uint64_t, int32_t);
template void PbWriter::encodeVarInt(long long, int32_t);
template <typename T>
void PbWriter::encodeVarInt(T data, int32_t offset)
{
auto value = static_cast<uint64_t>(data);
if (value <= 0x7F)
{
rawData.insert(rawData.end() + offset, (uint8_t)value);
}
else
{
encodeVarInt((uint32_t)value, (uint32_t)(value >> 32), offset);
}
}
uint32_t PbWriter::encodeZigzag32(int32_t value) {
return (static_cast<uint32_t>(value) << 1U) ^ static_cast<uint32_t>(-static_cast<int32_t>(static_cast<uint32_t>(value) >> 31U));
}
uint64_t PbWriter::encodeZigzag64(int64_t value) {
return (static_cast<uint64_t>(value) << 1U) ^ static_cast<uint64_t>(-static_cast<int64_t>(static_cast<uint64_t>(value) >> 63U));
}
void PbWriter::addSVarInt32(uint32_t tag, int32_t data) {
auto val = encodeZigzag32(data);
addVarInt(tag, val);
}
template <typename T>
void PbWriter::encodeFixed(T data) {
auto val = reinterpret_cast<const char*>(&data);
rawData.insert(rawData.end(), val, val + sizeof(T));
}
template void PbWriter::encodeFixed(int64_t);
template void PbWriter::encodeFixed(int32_t);
void PbWriter::addSVarInt64(uint32_t tag, int64_t data) {
auto val = encodeZigzag64(data);
addVarInt(tag, val);
}
void PbWriter::addString(uint32_t tag, std::string &target)
{
addField(tag, PbWireType::length_delimited);
uint32_t stringSize = target.size();
encodeVarInt(stringSize);
rawData.insert(rawData.end(), target.begin(), target.end());
}
void PbWriter::addVector(uint32_t tag, std::vector<uint8_t> &target)
{
addField(tag, PbWireType::length_delimited);
uint32_t vectorSize = target.size();
encodeVarInt(vectorSize);
rawData.insert(rawData.end(), target.begin(), target.end());
}
template <typename T>
void PbWriter::addVarInt(uint32_t tag, T intType)
{
addField(tag, PbWireType::varint);
encodeVarInt(intType);
}
void PbWriter::addBool(uint32_t tag, bool value)
{
addField(tag, PbWireType::varint);
rawData.push_back(char(value));
}
template void PbWriter::addVarInt(uint32_t, uint8_t);
template void PbWriter::addVarInt(uint32_t, uint32_t);
template void PbWriter::addVarInt(uint32_t, uint64_t);
template void PbWriter::addVarInt(uint32_t, int64_t);
template void PbWriter::addVarInt(uint32_t, bool);
void PbWriter::addField(uint32_t tag, PbWireType wiretype)
{
const uint32_t value = (tag << 3U) | uint32_t(wiretype);
encodeVarInt(value);
}
uint32_t PbWriter::startMessage()
{
return rawData.size();
}
void PbWriter::finishMessage(uint32_t tag, uint32_t lastMessagePosition)
{
uint32_t finalMessageSize = rawData.size() - lastMessagePosition;
uint32_t msgHeader = (tag << 3U) | uint32_t(PbWireType::length_delimited);
int32_t offset = -finalMessageSize;
encodeVarInt(msgHeader, offset);
encodeVarInt(finalMessageSize, offset);
}

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@@ -1,193 +0,0 @@
#include "ProtoHelper.h"
std::optional<AnyRef> findFieldWithProtobufTag(AnyRef ref, uint32_t tag)
{
auto info = ref.reflectType();
for (int i = 0; i < info->fields.size(); i++)
{
if (tag == info->fields[i].protobufTag)
{
return std::make_optional(ref.getField(i));
}
}
return std::nullopt;
}
void decodeField(std::shared_ptr<PbReader> reader, AnyRef any)
{
auto fieldInfo = any.reflectType();
if (fieldInfo->kind == ReflectTypeKind::Optional)
{
auto optionalRef = AnyOptionalRef(any);
optionalRef.emplaceEmpty();
return decodeField(reader, optionalRef.get());
}
if (fieldInfo->kind == ReflectTypeKind::Class)
{
// Handle submessage
auto lastMaxPosition = reader->maxPosition;
auto messageSize = reader->decodeVarInt<uint32_t>();
reader->maxPosition = messageSize + reader->pos;
while (reader->next())
{
auto res = findFieldWithProtobufTag(any, reader->currentTag);
if (res.has_value())
{
decodeField(reader, res.value());
}
else
{
reader->skip();
}
}
reader->maxPosition = lastMaxPosition;
return;
} else if (any.is<std::vector<uint8_t>>())
{
reader->decodeVector(*any.as<std::vector<uint8_t>>());
}
// Handle repeated
else if (fieldInfo->kind == ReflectTypeKind::Vector)
{
auto aVec = AnyVectorRef(any);
aVec.emplace_back();
auto value = aVec.at(aVec.size() - 1);
auto valInfo = value.reflectType();
// Represents packed repeated encoding
if (valInfo->kind == ReflectTypeKind::Primitive && !value.is<std::string>() && !value.is<std::vector<uint8_t>>())
{
// *any.as<int64_t>() = reader->decodeVarInt<int64_t>();
reader->skip();
}
else
{
decodeField(reader, value);
}
}
else if (fieldInfo->kind == ReflectTypeKind::Enum)
{
*any.as<uint32_t>() = reader->decodeVarInt<uint32_t>();
}
else if (any.is<std::string>())
{
reader->decodeString(*any.as<std::string>());
}
else if (any.is<bool>())
{
*any.as<bool>() = reader->decodeVarInt<bool>();
}
else if (any.is<uint32_t>())
{
*any.as<uint32_t>() = reader->decodeVarInt<uint32_t>();
}
else if (any.is<int64_t>())
{
*any.as<int64_t>() = reader->decodeVarInt<int64_t>();
}
else if (any.is<int32_t>())
{
*any.as<int32_t>() = reader->decodeVarInt<int32_t>();
}
else
{
reader->skip();
}
}
void decodeProtobuf(std::shared_ptr<PbReader> reader, AnyRef any)
{
while (reader->next())
{
auto res = findFieldWithProtobufTag(any, reader->currentTag);
if (res.has_value())
{
decodeField(reader, res.value());
}
else
{
reader->skip();
}
}
}
void encodeProtobuf(std::shared_ptr<PbWriter> writer, AnyRef any, uint32_t protobufTag)
{
auto info = any.reflectType();
// Handle optionals, only encode if have value
if (info->kind == ReflectTypeKind::Optional)
{
auto optionalRef = AnyOptionalRef(any);
if (!optionalRef.has_value())
{
return;
}
else
{
return encodeProtobuf(writer, optionalRef.get(), protobufTag);
}
}
if (info->kind == ReflectTypeKind::Class)
{
uint32_t startMsgPosition;
// 0 - default value, indicating top level message
if (protobufTag > 0)
{
startMsgPosition = writer->startMessage();
}
for (int i = 0; i < info->fields.size(); i++)
{
auto field = any.getField(i);
encodeProtobuf(writer, field, info->fields[i].protobufTag);
}
if (protobufTag > 0)
{
writer->finishMessage(protobufTag, startMsgPosition);
}
} else if (any.is<std::vector<uint8_t>>())
{
writer->addVector(protobufTag, *any.as<std::vector<uint8_t>>());
}
else if (info->kind == ReflectTypeKind::Vector) {
auto aVec = AnyVectorRef(any);
auto size = aVec.size();
for (size_t i = 0; i < size; i++)
{
auto valueAt = aVec.at(i);
encodeProtobuf(writer, valueAt, protobufTag);
}
}
else if (info->kind == ReflectTypeKind::Enum) {
writer->addVarInt<uint32_t>(protobufTag, *any.as<uint32_t>());
}
else if (info->kind == ReflectTypeKind::Primitive)
{
if (any.is<std::string>())
{
writer->addString(protobufTag, *any.as<std::string>());
}
else if (any.is<uint32_t>())
{
writer->addVarInt<uint32_t>(protobufTag, *any.as<uint32_t>());
}
else if (any.is<uint64_t>())
{
writer->addVarInt<uint64_t>(protobufTag, *any.as<uint64_t>());
}
else if (any.is<int64_t>()) {
writer->addVarInt<int64_t>(protobufTag, *any.as<int64_t>());
} else if (any.is<bool>())
{
writer->addVarInt<bool>(protobufTag, *any.as<bool>());
}
}
}