metacall/mc_packet.hpp

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//
// Copyright (c) 2011 Alex Yatskov
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#pragma once
namespace metacall {
//
// Constants
//
enum PacketConst {
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PACKET_CONST_MAGIC = 0x55534544
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};
enum PacketId {
PACKET_ID_INVALID,
PACKET_ID_FUNCTION_CALL_REQUEST,
PACKET_ID_FUNCTION_CALL_REPLY
};
//
// PacketHeader
//
struct PacketHeader {
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PacketHeader(dword magic = PACKET_CONST_MAGIC, byte id = PACKET_ID_INVALID, dword size = 0) :
magic(magic),
id(id),
size(size)
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{
}
bool serialize(Serializer* serializer) const {
return
serializer->write(magic) &&
serializer->write(id) &&
serializer->write(size);
}
bool deserialize(Deserializer* deserializer) {
return
deserializer->read(&magic) &&
deserializer->read(&id) &&
deserializer->read(&size);
}
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dword magic;
byte id;
dword size;
};
//
// PacketInvokeRequest
//
struct PacketInvokeRequest {
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PacketInvokeRequest(dword function = 0, dword taskId = 0) :
function(function),
taskId(taskId)
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{
}
enum {
Id = PACKET_ID_FUNCTION_CALL_REQUEST
};
bool serialize(Serializer* serializer) const {
return
serializer->write(function) &&
serializer->write(taskId) &&
serializer->write(data);
}
bool deserialize(Deserializer* deserializer) {
return
deserializer->read(&function) &&
deserializer->read(&taskId) &&
deserializer->read(&data);
}
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dword function;
dword taskId;
Buffer data;
};
//
// PacketInvokeReply
//
struct PacketInvokeReply {
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PacketInvokeReply(dword flags = 0, dword taskId = 0) :
flags(flags),
taskId(taskId)
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{
}
enum {
Id = PACKET_ID_FUNCTION_CALL_REPLY
};
enum {
FLAG_UNBOUND_FUNC = 1 << 0,
FLAG_INVALID_ARGS = 1 << 1,
};
bool serialize(Serializer* serializer) const {
return
serializer->write(flags) &&
serializer->write(taskId) &&
serializer->write(data);
}
bool deserialize(Deserializer* deserializer) {
return
deserializer->read(&flags) &&
deserializer->read(&taskId) &&
deserializer->read(&data);
}
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word flags;
dword taskId;
Buffer data;
};
}