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boost json

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This commit is contained in:
CJ Cobb
2020-12-15 12:02:11 -05:00
parent 833df2b3a4
commit 9d99294953
4 changed files with 156 additions and 179 deletions
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6
CMakeLists.txt
View File

@@ -11,7 +11,7 @@ project(reporting)
cmake_minimum_required(VERSION 3.17)
set (CMAKE_CXX_STANDARD 17)
FIND_PACKAGE( Boost 1.75 COMPONENTS thread log REQUIRED )
FIND_PACKAGE( Boost 1.75 COMPONENTS thread system log REQUIRED )
add_executable (reporting
websocket_server_async.cpp
@@ -82,6 +82,6 @@ target_link_libraries (grpc_pbufs ${_REFLECTION} ${_PROTOBUF_LIBPROTOBUF} ${_GRP
target_sources(reporting PRIVATE reporting/ETLSource.cpp)
message(${Boost_LIBRARIES})
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR} ${Boost_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
TARGET_LINK_LIBRARIES(reporting LINK_PUBLIC ${Boost_LIBRARIES} ${Boost_LOG_LIBRARY} grpc_pbufs)
TARGET_LINK_LIBRARIES(reporting PUBLIC ${Boost_LIBRARIES} grpc_pbufs)

191
reporting/ETLSource.cpp
View File

@@ -20,9 +20,11 @@
*/
//==============================================================================
#include <reporting/ETLSource.h>
#include <boost/log/trivial.hpp>
#include <boost/asio/strand.hpp>
#include <boost/json.hpp>
#include <boost/json/src.hpp>
#include <boost/log/trivial.hpp>
#include <reporting/ETLSource.h>
namespace ripple {
@@ -40,10 +42,7 @@ ETLSource::ETLSource(std::string ip, std::string wsPort)
{
}
ETLSource::ETLSource(
std::string ip,
std::string wsPort,
std::string grpcPort)
ETLSource::ETLSource(std::string ip, std::string wsPort, std::string grpcPort)
: ip_(ip)
, wsPort_(wsPort)
, grpcPort_(grpcPort)
@@ -60,17 +59,14 @@ ETLSource::ETLSource(
std::stringstream ss;
ss << endpoint;
stub_ = org::xrpl::rpc::v1::XRPLedgerAPIService::NewStub(
grpc::CreateChannel(ss.str(),
grpc::InsecureChannelCredentials()));
BOOST_LOG_TRIVIAL(debug)
<< "Made stub for remote = " << toString();
grpc::CreateChannel(ss.str(), grpc::InsecureChannelCredentials()));
BOOST_LOG_TRIVIAL(debug) << "Made stub for remote = " << toString();
}
catch (std::exception const& e)
{
BOOST_LOG_TRIVIAL(debug)
<< "Exception while creating stub = " << e.what()
<< " . Remote = " << toString();
BOOST_LOG_TRIVIAL(debug)
<< "Exception while creating stub = " << e.what()
<< " . Remote = " << toString();
}
}
@@ -84,16 +80,17 @@ ETLSource::reconnect(boost::beast::error_code ec)
if (ec != boost::asio::error::operation_aborted &&
ec != boost::asio::error::connection_refused)
{
BOOST_LOG_TRIVIAL(error) << __func__ << " : "
<< "error code = " << ec << " - " << toString();
BOOST_LOG_TRIVIAL(error)
<< __func__ << " : "
<< "error code = " << ec << " - " << toString();
}
else
{
BOOST_LOG_TRIVIAL(warning) << __func__ << " : "
<< "error code = " << ec << " - " << toString();
BOOST_LOG_TRIVIAL(warning)
<< __func__ << " : "
<< "error code = " << ec << " - " << toString();
}
// exponentially increasing timeouts, with a max of 30 seconds
size_t waitTime = std::min(pow(2, numFailures_), 30.0);
numFailures_++;
@@ -157,8 +154,8 @@ ETLSource::onResolve(
boost::beast::error_code ec,
boost::asio::ip::tcp::resolver::results_type results)
{
BOOST_LOG_TRIVIAL(trace) << __func__ << " : ec = " << ec << " - "
<< toString();
BOOST_LOG_TRIVIAL(trace)
<< __func__ << " : ec = " << ec << " - " << toString();
if (ec)
{
// try again
@@ -178,8 +175,8 @@ ETLSource::onConnect(
boost::beast::error_code ec,
boost::asio::ip::tcp::resolver::results_type::endpoint_type endpoint)
{
BOOST_LOG_TRIVIAL(trace) << __func__ << " : ec = " << ec << " - "
<< toString();
BOOST_LOG_TRIVIAL(trace)
<< __func__ << " : ec = " << ec << " - " << toString();
if (ec)
{
// start over
@@ -218,8 +215,8 @@ ETLSource::onConnect(
void
ETLSource::onHandshake(boost::beast::error_code ec)
{
BOOST_LOG_TRIVIAL(trace) << __func__ << " : ec = " << ec << " - "
<< toString();
BOOST_LOG_TRIVIAL(trace)
<< __func__ << " : ec = " << ec << " - " << toString();
if (ec)
{
// start over
@@ -227,30 +224,23 @@ ETLSource::onHandshake(boost::beast::error_code ec)
}
else
{
/*
Json::Value jv;
jv["command"] = "subscribe";
jv["streams"] = Json::arrayValue;
Json::Value ledgerStream("ledger");
jv["streams"].append(ledgerStream);
Json::Value txnStream("transactions_proposed");
jv["streams"].append(txnStream);
Json::FastWriter fastWriter;
*/
boost::json::object jv{
{"command", "subscribe"},
{"streams", {"ledger", "transactions_proposed"}}};
std::string s = boost::json::serialize(jv);
BOOST_LOG_TRIVIAL(trace) << "Sending subscribe stream message";
// Send the message
ws_->async_write(
boost::asio::buffer("foo"),
[this](auto ec, size_t size) { onWrite(ec, size); });
ws_->async_write(boost::asio::buffer(s), [this](auto ec, size_t size) {
onWrite(ec, size);
});
}
}
void
ETLSource::onWrite(boost::beast::error_code ec, size_t bytesWritten)
{
BOOST_LOG_TRIVIAL(trace) << __func__ << " : ec = " << ec << " - "
<< toString();
BOOST_LOG_TRIVIAL(trace)
<< __func__ << " : ec = " << ec << " - " << toString();
if (ec)
{
// start over
@@ -266,8 +256,8 @@ ETLSource::onWrite(boost::beast::error_code ec, size_t bytesWritten)
void
ETLSource::onRead(boost::beast::error_code ec, size_t size)
{
BOOST_LOG_TRIVIAL(trace) << __func__ << " : ec = " << ec << " - "
<< toString();
BOOST_LOG_TRIVIAL(trace)
<< __func__ << " : ec = " << ec << " - " << toString();
// if error or error reading message, start over
if (ec)
{
@@ -295,62 +285,61 @@ ETLSource::handleMessage()
connected_ = true;
try
{
/*
Json::Value response;
Json::Reader reader;
if (!reader.parse(
static_cast<char const*>(readBuffer_.data().data()), response))
{
BOOST_LOG_TRIVIAL(error)
<< __func__ << " : "
<< "Error parsing stream message."
<< " Message = " << readBuffer_.data().data();
return false;
}
boost::json::value raw = boost::json::parse(
static_cast<char const*>(readBuffer_.data().data()));
boost::json::object response = raw.as_object();
uint32_t ledgerIndex = 0;
if (response.isMember("result"))
if (response.contains("result"))
{
if (response["result"].isMember(jss::ledger_index))
boost::json::object result = response["result"].as_object();
if (result.contains("ledger_index"))
{
ledgerIndex = response["result"][jss::ledger_index].asUInt();
ledgerIndex = result["ledger_index"].as_uint64();
}
if (response[jss::result].isMember(jss::validated_ledgers))
if (result.contains("validated_ledgers"))
{
boost::json::string const& validatedLedgers =
result["validated_ledgers"].as_string();
setValidatedRange(
response[jss::result][jss::validated_ledgers].asString());
{validatedLedgers.c_str(), validatedLedgers.size()});
}
BOOST_LOG_TRIVIAL(debug)
<< __func__ << " : "
<< "Received a message on ledger "
<< " subscription stream. Message : "
<< response.toStyledString() << " - " << toString();
<< " subscription stream. Message : " << response << " - "
<< toString();
}
else
{
if (response.isMember(jss::transaction))
if (response.contains("transaction"))
{
if (etl_.getETLLoadBalancer().shouldPropagateTxnStream(this))
/*
if
(etl_.getETLLoadBalancer().shouldPropagateTxnStream(this))
{
etl_.getApplication().getOPs().forwardProposedTransaction(
response);
}
*/
}
else
{
BOOST_LOG_TRIVIAL(debug)
<< __func__ << " : "
<< "Received a message on ledger "
<< " subscription stream. Message : "
<< response.toStyledString() << " - " << toString();
if (response.isMember(jss::ledger_index))
<< " subscription stream. Message : " << response << " - "
<< toString();
if (response.contains("ledger_index"))
{
ledgerIndex = response[jss::ledger_index].asUInt();
ledgerIndex = response["ledger_index"].as_uint64();
}
if (response.isMember(jss::validated_ledgers))
if (response.contains("validated_ledgers"))
{
boost::json::string const& validatedLedgers =
response["validated_ledgers"].as_string();
setValidatedRange(
response[jss::validated_ledgers].asString());
{validatedLedgers.c_str(), validatedLedgers.size()});
}
}
}
@@ -361,9 +350,8 @@ ETLSource::handleMessage()
<< __func__ << " : "
<< "Pushing ledger sequence = " << ledgerIndex << " - "
<< toString();
networkValidatedLedgers_.push(ledgerIndex);
// networkValidatedLedgers_.push(ledgerIndex);
}
*/
return true;
}
catch (std::exception const& e)
@@ -383,16 +371,12 @@ class AsyncCallData
grpc::Status status_;
public:
AsyncCallData(
uint32_t seq)
AsyncCallData(uint32_t seq)
{
request_.mutable_ledger()->set_sequence(seq);
request_.set_user("ETL");
cur_ = std::make_unique<org::xrpl::rpc::v1::GetLedgerDataResponse>();
next_ = std::make_unique<org::xrpl::rpc::v1::GetLedgerDataResponse>();
@@ -415,9 +399,10 @@ public:
}
if (!status_.ok())
{
BOOST_LOG_TRIVIAL(debug) << "AsyncCallData status_ not ok: "
<< " code = " << status_.error_code()
<< " message = " << status_.error_message();
BOOST_LOG_TRIVIAL(debug)
<< "AsyncCallData status_ not ok: "
<< " code = " << status_.error_code()
<< " message = " << status_.error_message();
return CallStatus::ERRORED;
}
if (!next_->is_unlimited())
@@ -436,7 +421,6 @@ public:
if (cur_->marker().size() == 0)
more = false;
// if we are not done, make the next async call
if (more)
{
@@ -498,17 +482,15 @@ ETLSource::loadInitialLedger(uint32_t sequence)
std::vector<AsyncCallData> calls;
calls.emplace_back(sequence);
BOOST_LOG_TRIVIAL(debug) << "Starting data download for ledger " << sequence
<< ". Using source = " << toString();
<< ". Using source = " << toString();
for (auto& c : calls)
c.call(stub_, cq);
size_t numFinished = 0;
bool abort = false;
while (numFinished < calls.size() &&
cq.Next(&tag, &ok))
while (numFinished < calls.size() && cq.Next(&tag, &ok))
{
assert(tag);
@@ -524,8 +506,7 @@ ETLSource::loadInitialLedger(uint32_t sequence)
{
BOOST_LOG_TRIVIAL(debug)
<< "Marker prefix = " << ptr->getMarkerPrefix();
auto result =
ptr->process(stub_, cq, abort);
auto result = ptr->process(stub_, cq, abort);
if (result != AsyncCallData::CallStatus::MORE)
{
numFinished++;
@@ -608,9 +589,12 @@ ETLLoadBalancer::loadInitialLedger(uint32_t sequence)
bool res = source->loadInitialLedger(sequence);
if (!res)
{
BOOST_LOG_TRIVIAL(error) << "Failed to download initial ledger. "
BOOST_LOG_TRIVIAL(error) << "Failed to download initial
ledger.
"
<< " Sequence = " << sequence
<< " source = " << source->toString();
<< " source = " <<
source->toString();
}
return res;
},
@@ -708,9 +692,8 @@ ETLSource::getP2pForwardingStub() const
return org::xrpl::rpc::v1::XRPLedgerAPIService::NewStub(
grpc::CreateChannel(
beast::IP::Endpoint(
boost::asio::ip::make_address(ip_), std::stoi(grpcPort_))
.to_string(),
grpc::InsecureChannelCredentials()));
boost::asio::ip::make_address(ip_),
std::stoi(grpcPort_)) .to_string(), grpc::InsecureChannelCredentials()));
}
catch (std::exception const&)
{
@@ -723,7 +706,8 @@ Json::Value
ETLSource::forwardToP2p(RPC::JsonContext& context) const
{
BOOST_LOG_TRIVIAL(debug) << "Attempting to forward request to tx. "
<< "request = " << context.params.toStyledString();
<< "request = " <<
context.params.toStyledString();
Json::Value response;
if (!connected_)
@@ -734,11 +718,10 @@ ETLSource::forwardToP2p(RPC::JsonContext& context) const
}
namespace beast = boost::beast; // from <boost/beast.hpp>
namespace http = beast::http; // from <boost/beast/http.hpp>
namespace websocket = beast::websocket; // from <boost/beast/websocket.hpp>
namespace net = boost::asio; // from <boost/asio.hpp>
using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
Json::Value& request = context.params;
try
namespace websocket = beast::websocket; // from
<boost/beast/websocket.hpp> namespace net = boost::asio; // from
<boost/asio.hpp> using tcp = boost::asio::ip::tcp; // from
<boost/asio/ip/tcp.hpp> Json::Value& request = context.params; try
{
// The io_context is required for all I/O
net::io_context ioc;
@@ -759,7 +742,8 @@ ETLSource::forwardToP2p(RPC::JsonContext& context) const
// Set a decorator to change the User-Agent of the handshake
// and to tell rippled to charge the client IP for RPC
// resources. See "secure_gateway" in
// https://github.com/ripple/rippled/blob/develop/cfg/rippled-example.cfg
//
https://github.com/ripple/rippled/blob/develop/cfg/rippled-example.cfg
ws->set_option(websocket::stream_base::decorator(
[&context](websocket::request_type& req) {
req.set(
@@ -770,7 +754,8 @@ ETLSource::forwardToP2p(RPC::JsonContext& context) const
http::field::forwarded,
"for=" + context.consumer.to_string());
}));
BOOST_LOG_TRIVIAL(debug) << "client ip: " << context.consumer.to_string();
BOOST_LOG_TRIVIAL(debug) << "client ip: " <<
context.consumer.to_string();
BOOST_LOG_TRIVIAL(debug) << "Performing websocket handshake";
// Perform the websocket handshake
@@ -852,8 +837,10 @@ ETLLoadBalancer::execute(Func f, uint32_t ledgerSequence)
numAttempts++;
if (numAttempts % sources_.size() == 0)
{
// If another process loaded the ledger into the database, we can
// abort trying to fetch the ledger from a transaction processing
// If another process loaded the ledger into the database, we
can
// abort trying to fetch the ledger from a transaction
processing
// process
if (etl_.getApplication().getLedgerMaster().getLedgerBySeq(
ledgerSequence))

14
reporting/ETLSource.h
View File

@@ -21,10 +21,10 @@
#define RIPPLE_APP_REPORTING_ETLSOURCE_H_INCLUDED
#include <boost/algorithm/string.hpp>
#include <boost/asio.hpp>
#include <boost/beast/core.hpp>
#include <boost/beast/core/string.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/asio.hpp>
#include "org/xrpl/rpc/v1/xrp_ledger.grpc.pb.h"
#include <grpcpp/grpcpp.h>
@@ -63,9 +63,9 @@ class ETLSource
std::string validatedLedgersRaw_;
//NetworkValidatedLedgers& networkValidatedLedgers_;
// NetworkValidatedLedgers& networkValidatedLedgers_;
//beast::Journal journal_;
// beast::Journal journal_;
mutable std::mutex mtx_;
@@ -115,10 +115,7 @@ public:
ETLSource(std::string ip, std::string wsPort);
/// Create ETL source with gRPC endpoint
ETLSource(
std::string ip,
std::string wsPort,
std::string grpcPort);
ETLSource(std::string ip, std::string wsPort, std::string grpcPort);
/// @param sequence ledger sequence to check for
/// @return true if this source has the desired ledger
@@ -195,7 +192,6 @@ public:
void
stop()
{
assert(ws_);
close(false);
}
@@ -216,7 +212,6 @@ public:
", grpc port : " + grpcPort_ + " }";
}
/// Download a ledger in full
/// @param ledgerSequence sequence of the ledger to download
/// @param writeQueue queue to push downloaded ledger objects
@@ -273,7 +268,6 @@ public:
std::unique_ptr<org::xrpl::rpc::v1::XRPLedgerAPIService::Stub>
getP2pForwardingStub() const;
*/
};
/*
*

124
websocket_server_async.cpp
View File

@@ -13,24 +13,27 @@
//
//------------------------------------------------------------------------------
#include <boost/beast/core.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/asio/dispatch.hpp>
#include <boost/asio/strand.hpp>
#include <boost/beast/core.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/json.hpp>
#include <algorithm>
#include <cstdlib>
#include <fstream>
#include <functional>
#include <iostream>
#include <memory>
#include <sstream>
#include <string>
#include <thread>
#include <vector>
namespace beast = boost::beast; // from <boost/beast.hpp>
namespace http = beast::http; // from <boost/beast/http.hpp>
namespace websocket = beast::websocket; // from <boost/beast/websocket.hpp>
namespace net = boost::asio; // from <boost/asio.hpp>
using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
namespace beast = boost::beast; // from <boost/beast.hpp>
namespace http = beast::http; // from <boost/beast/http.hpp>
namespace websocket = beast::websocket; // from <boost/beast/websocket.hpp>
namespace net = boost::asio; // from <boost/asio.hpp>
using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
//------------------------------------------------------------------------------
@@ -49,9 +52,7 @@ class session : public std::enable_shared_from_this<session>
public:
// Take ownership of the socket
explicit
session(tcp::socket&& socket)
: ws_(std::move(socket))
explicit session(tcp::socket&& socket) : ws_(std::move(socket))
{
}
@@ -63,10 +64,9 @@ public:
// on the I/O objects in this session. Although not strictly necessary
// for single-threaded contexts, this example code is written to be
// thread-safe by default.
net::dispatch(ws_.get_executor(),
beast::bind_front_handler(
&session::on_run,
shared_from_this()));
net::dispatch(
ws_.get_executor(),
beast::bind_front_handler(&session::on_run, shared_from_this()));
}
// Start the asynchronous operation
@@ -74,29 +74,26 @@ public:
on_run()
{
// Set suggested timeout settings for the websocket
ws_.set_option(
websocket::stream_base::timeout::suggested(
beast::role_type::server));
ws_.set_option(websocket::stream_base::timeout::suggested(
beast::role_type::server));
// Set a decorator to change the Server of the handshake
ws_.set_option(websocket::stream_base::decorator(
[](websocket::response_type& res)
{
res.set(http::field::server,
[](websocket::response_type& res) {
res.set(
http::field::server,
std::string(BOOST_BEAST_VERSION_STRING) +
" websocket-server-async");
}));
// Accept the websocket handshake
ws_.async_accept(
beast::bind_front_handler(
&session::on_accept,
shared_from_this()));
beast::bind_front_handler(&session::on_accept, shared_from_this()));
}
void
on_accept(beast::error_code ec)
{
if(ec)
if (ec)
return fail(ec, "accept");
// Read a message
@@ -109,42 +106,34 @@ public:
// Read a message into our buffer
ws_.async_read(
buffer_,
beast::bind_front_handler(
&session::on_read,
shared_from_this()));
beast::bind_front_handler(&session::on_read, shared_from_this()));
}
void
on_read(
beast::error_code ec,
std::size_t bytes_transferred)
on_read(beast::error_code ec, std::size_t bytes_transferred)
{
boost::ignore_unused(bytes_transferred);
// This indicates that the session was closed
if(ec == websocket::error::closed)
if (ec == websocket::error::closed)
return;
if(ec)
if (ec)
fail(ec, "read");
// Echo the message
ws_.text(ws_.got_text());
ws_.async_write(
buffer_.data(),
beast::bind_front_handler(
&session::on_write,
shared_from_this()));
beast::bind_front_handler(&session::on_write, shared_from_this()));
}
void
on_write(
beast::error_code ec,
std::size_t bytes_transferred)
on_write(beast::error_code ec, std::size_t bytes_transferred)
{
boost::ignore_unused(bytes_transferred);
if(ec)
if (ec)
return fail(ec, "write");
// Clear the buffer
@@ -164,17 +153,14 @@ class listener : public std::enable_shared_from_this<listener>
tcp::acceptor acceptor_;
public:
listener(
net::io_context& ioc,
tcp::endpoint endpoint)
: ioc_(ioc)
, acceptor_(ioc)
listener(net::io_context& ioc, tcp::endpoint endpoint)
: ioc_(ioc), acceptor_(ioc)
{
beast::error_code ec;
// Open the acceptor
acceptor_.open(endpoint.protocol(), ec);
if(ec)
if (ec)
{
fail(ec, "open");
return;
@@ -182,7 +168,7 @@ public:
// Allow address reuse
acceptor_.set_option(net::socket_base::reuse_address(true), ec);
if(ec)
if (ec)
{
fail(ec, "set_option");
return;
@@ -190,16 +176,15 @@ public:
// Bind to the server address
acceptor_.bind(endpoint, ec);
if(ec)
if (ec)
{
fail(ec, "bind");
return;
}
// Start listening for connections
acceptor_.listen(
net::socket_base::max_listen_connections, ec);
if(ec)
acceptor_.listen(net::socket_base::max_listen_connections, ec);
if (ec)
{
fail(ec, "listen");
return;
@@ -221,14 +206,13 @@ private:
acceptor_.async_accept(
net::make_strand(ioc_),
beast::bind_front_handler(
&listener::on_accept,
shared_from_this()));
&listener::on_accept, shared_from_this()));
}
void
on_accept(beast::error_code ec, tcp::socket socket)
{
if(ec)
if (ec)
{
fail(ec, "accept");
}
@@ -243,22 +227,38 @@ private:
}
};
std::optional<boost::json::object>
parse_config(const char* filename)
{
std::ifstream in(filename, std::ios::in | std::ios::binary);
if (in)
{
std::stringstream contents;
contents << in.rdbuf();
in.close();
boost::json::value value = boost::json::parse(contents.str());
return value.as_object();
}
return {};
}
//------------------------------------------------------------------------------
int main(int argc, char* argv[])
int
main(int argc, char* argv[])
{
// Check command line arguments.
if (argc != 4)
{
std::cerr <<
"Usage: websocket-server-async <address> <port> <threads>\n" <<
"Example:\n" <<
" websocket-server-async 0.0.0.0 8080 1\n";
std::cerr
<< "Usage: websocket-server-async <address> <port> <threads>\n"
<< "Example:\n"
<< " websocket-server-async 0.0.0.0 8080 1\n";
return EXIT_FAILURE;
}
auto const address = net::ip::make_address(argv[1]);
auto const port = static_cast<unsigned short>(std::atoi(argv[2]));
auto const threads = std::max<int>(1, std::atoi(argv[3]));
auto const config = parse_config(argv[4]);
// The io_context is required for all I/O
net::io_context ioc{threads};
@@ -269,12 +269,8 @@ int main(int argc, char* argv[])
// Run the I/O service on the requested number of threads
std::vector<std::thread> v;
v.reserve(threads - 1);
for(auto i = threads - 1; i > 0; --i)
v.emplace_back(
[&ioc]
{
ioc.run();
});
for (auto i = threads - 1; i > 0; --i)
v.emplace_back([&ioc] { ioc.run(); });
ioc.run();
return EXIT_SUCCESS;