blob: 13ac79c13bc77ba9cd70b29237fc2048457a90ad [file] [log] [blame]
//* Copyright 2019 The Dawn Authors
//*
//* Licensed under the Apache License, Version 2.0 (the "License");
//* you may not use this file except in compliance with the License.
//* You may obtain a copy of the License at
//*
//* http://www.apache.org/licenses/LICENSE-2.0
//*
//* Unless required by applicable law or agreed to in writing, software
//* distributed under the License is distributed on an "AS IS" BASIS,
//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//* See the License for the specific language governing permissions and
//* limitations under the License.
#include "common/Assert.h"
#include "dawn_wire/client/Client.h"
#include <string>
namespace dawn_wire { namespace client {
{% for command in cmd_records["return command"] %}
bool Client::Handle{{command.name.CamelCase()}}(DeserializeBuffer* deserializeBuffer) {
Return{{command.name.CamelCase()}}Cmd cmd;
WireResult deserializeResult = cmd.Deserialize(deserializeBuffer, &mAllocator);
if (deserializeResult == WireResult::FatalError) {
return false;
}
{% for member in command.members if member.handle_type %}
{% set Type = member.handle_type.name.CamelCase() %}
{% set name = as_varName(member.name) %}
{% if member.type.dict_name == "ObjectHandle" %}
{{Type}}* {{name}} = {{Type}}Allocator().GetObject(cmd.{{name}}.id);
uint32_t {{name}}Generation = {{Type}}Allocator().GetGeneration(cmd.{{name}}.id);
if ({{name}}Generation != cmd.{{name}}.generation) {
{{name}} = nullptr;
}
{% endif %}
{% endfor %}
return Do{{command.name.CamelCase()}}(
{%- for member in command.members -%}
{%- if member.handle_type -%}
{{as_varName(member.name)}}
{%- else -%}
cmd.{{as_varName(member.name)}}
{%- endif -%}
{%- if not loop.last -%}, {% endif %}
{%- endfor -%}
);
}
{% endfor %}
const volatile char* Client::HandleCommandsImpl(const volatile char* commands, size_t size) {
DeserializeBuffer deserializeBuffer(commands, size);
while (deserializeBuffer.AvailableSize() >= sizeof(CmdHeader) + sizeof(ReturnWireCmd)) {
// Start by chunked command handling, if it is done, then it means the whole buffer
// was consumed by it, so we return a pointer to the end of the commands.
switch (HandleChunkedCommands(deserializeBuffer.Buffer(), deserializeBuffer.AvailableSize())) {
case ChunkedCommandsResult::Consumed:
return commands + size;
case ChunkedCommandsResult::Error:
return nullptr;
case ChunkedCommandsResult::Passthrough:
break;
}
ReturnWireCmd cmdId = *static_cast<const volatile ReturnWireCmd*>(static_cast<const volatile void*>(
deserializeBuffer.Buffer() + sizeof(CmdHeader)));
bool success = false;
switch (cmdId) {
{% for command in cmd_records["return command"] %}
{% set Suffix = command.name.CamelCase() %}
case ReturnWireCmd::{{Suffix}}:
success = Handle{{Suffix}}(&deserializeBuffer);
break;
{% endfor %}
default:
success = false;
}
if (!success) {
return nullptr;
}
mAllocator.Reset();
}
if (deserializeBuffer.AvailableSize() != 0) {
return nullptr;
}
return commands;
}
}} // namespace dawn_wire::client