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