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adding websocket api stub

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This commit is contained in:
Daniel Larimer 2015-03-26 18:38:43 -04:00
parent b8d7d3012d
commit 7008d1419a
4 changed files with 73 additions and 3 deletions
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6
include/fc/rpc/api_connection.hpp
View file

@ -7,7 +7,7 @@
#include <vector>
#include <functional>
#include <utility>
#include <fc/rpc/json_connection.hpp>
//#include <fc/rpc/json_connection.hpp>
namespace fc {
class api_connection;
@ -111,7 +111,7 @@ namespace fc {
}
/** makes calls to the remote server */
virtual variant send_call( api_id_type api_id, const string& method_name, const variants& args = variants() )const
virtual variant send_call( api_id_type api_id, const string& method_name, const variants& args = variants() )
{
FC_ASSERT( _remote_connection );
return _remote_connection->receive_call( api_id, method_name, args );
@ -217,6 +217,7 @@ namespace fc {
};
}
/*
class json_api_connection : public api_connection
{
public:
@ -248,5 +249,6 @@ namespace fc {
std::shared_ptr<rpc::json_connection> _json_con;
};
*/
} // fc

5
include/fc/rpc/state.hpp
View file

@ -13,13 +13,16 @@ namespace fc { namespace rpc {
struct error_object
{
int64_t code = 0;
int64_t code;
std::string message;
optional<variant> data;
};
struct response
{
response(){}
response( int64_t i, fc::variant r ):id(i),result(r){}
response( int64_t i, error_object r ):id(i),error(r){}
int64_t id = 0;
optional<fc::variant> result;
optional<error_object> error;

64
include/fc/rpc/websocket_api.hpp Normal file
View file

@ -0,0 +1,64 @@
#pragma once
#include <fc/rpc/api_connection.hpp>
#include <fc/rpc/state.hpp>
#include <fc/network/http/websocket.hpp>
#include <fc/io/json.hpp>
#include <fc/reflect/variant.hpp>
namespace fc { namespace rpc {
class websocket_api : public api_connection, public fc::rpc::state, public fc::http::websocket_session
{
public:
websocket_api( fc::http::websocket_connection_ptr c )
:fc::http::websocket_session(c)
{
add_method( "call", [this]( const variants& args ) -> variant {
FC_ASSERT( args.size() == 3 && args[2].is_array() );
return this->receive_call( args[0].as_uint64(),
args[1].as_string(),
args[2].get_array() );
});
}
virtual variant send_call( api_id_type api_id,
const string& method_name,
const variants& args = variants() ) override
{
auto request = this->start_remote_call( "call", {api_id, method_name, args} );
send_message( fc::json::to_string(request) );
return wait_for_response( *request.id );
}
protected:
virtual void on_message( const std::string& message )
{
auto var = fc::json::from_string(message);
const auto& var_obj = var.get_object();
if( var_obj.contains( "method" ) )
{
auto call = var.as<fc::rpc::request>();
try {
auto result = local_call( call.method, call.params );
if( call.id )
{
send_message( fc::json::to_string( response( *call.id, result ) ) );
}
}
catch ( const fc::exception& e )
{
if( call.id )
{
send_message( fc::json::to_string( response( *call.id, error_object{ 1, e.to_detail_string(), fc::variant(e)} ) ) );
}
}
}
else
{
auto reply = var.as<fc::rpc::response>();
handle_reply( reply );
}
}
};
} } // namespace fc::rpc

1
tests/websocket.cpp
View file

@ -1,6 +1,7 @@
#include <fc/network/http/websocket.hpp>
#include <fc/log/logger.hpp>
#include <fc/thread/thread.hpp>
#include <fc/rpc/websocket_api.hpp>
using namespace fc::http;