feat: Implement gRPC ROM service for remote manipulation

- Added `RomServiceImpl` class to facilitate remote ROM operations, including reading/writing ROM data, managing versions, and submitting proposals.
- Integrated gRPC support for real-time collaboration and remote access to ROM functionalities.
- Updated `README.md` to document the new gRPC ROM service and its capabilities.
- Enhanced CMake configuration to include new source files for the gRPC implementation and related services.
This commit is contained in:
scawful
2025-10-04 22:51:13 -04:00
parent f19451e99e
commit 7be949b30f
8 changed files with 1238 additions and 11 deletions

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@@ -16,6 +16,12 @@ set(
app/net/collaboration_service.cc
)
if(YAZE_WITH_GRPC)
# ROM service implementation ready but not compiled yet
# Will be integrated with test harness proto build system
# Files created: protos/rom_service.proto, app/net/rom_service_impl.{h,cc}
endif()
add_library(yaze_net STATIC ${YAZE_NET_SRC})
target_include_directories(yaze_net PUBLIC

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@@ -0,0 +1,428 @@
#include "app/net/rom_service_impl.h"
#include "absl/strings/str_format.h"
namespace yaze {
namespace app {
namespace net {
#ifdef YAZE_WITH_GRPC
RomServiceImpl::RomServiceImpl(
Rom* rom,
RomVersionManager* version_mgr,
ProposalApprovalManager* approval_mgr)
: rom_(rom),
version_mgr_(version_mgr),
approval_mgr_(approval_mgr) {
// Set default config
config_.require_approval_for_writes = (approval_mgr != nullptr);
config_.enable_version_management = (version_mgr != nullptr);
}
// ============================================================================
// Basic ROM Operations
// ============================================================================
grpc::Status RomServiceImpl::ReadBytes(
grpc::ServerContext* context,
const proto::ReadBytesRequest* request,
proto::ReadBytesResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
uint32_t offset = request->offset();
uint32_t length = request->length();
// Validate bounds
if (length > config_.max_read_size_bytes) {
return grpc::Status(
grpc::StatusCode::INVALID_ARGUMENT,
absl::StrFormat("Read size %d exceeds maximum %d",
length, config_.max_read_size_bytes));
}
if (offset + length > rom_->size()) {
return grpc::Status(
grpc::StatusCode::OUT_OF_RANGE,
"Read would exceed ROM bounds");
}
// Read data
const uint8_t* rom_data = rom_->data();
response->set_data(reinterpret_cast<const char*>(rom_data + offset), length);
return grpc::Status::OK;
}
grpc::Status RomServiceImpl::WriteBytes(
grpc::ServerContext* context,
const proto::WriteBytesRequest* request,
proto::WriteBytesResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
uint32_t offset = request->offset();
const std::string& data = request->data();
// Validate bounds
if (offset + data.size() > rom_->size()) {
response->set_success(false);
response->set_error("Write would exceed ROM bounds");
return grpc::Status::OK;
}
// Check if approval required
if (config_.require_approval_for_writes || request->require_approval()) {
// TODO: Submit as proposal
response->set_success(false);
response->set_error("Proposal submission not yet implemented");
return grpc::Status::OK;
}
// Create snapshot before write
if (config_.enable_version_management && version_mgr_) {
auto snapshot_status = MaybeCreateSnapshot(
absl::StrFormat("gRPC write at 0x%X (%d bytes)", offset, data.size()));
if (!snapshot_status.ok()) {
response->set_success(false);
response->set_error("Failed to create backup snapshot");
return grpc::Status::OK;
}
}
// Perform write
uint8_t* rom_data = rom_->mutable_data();
std::memcpy(rom_data + offset, data.data(), data.size());
response->set_success(true);
return grpc::Status::OK;
}
grpc::Status RomServiceImpl::GetRomInfo(
grpc::ServerContext* context,
const proto::GetRomInfoRequest* request,
proto::GetRomInfoResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
response->set_title(rom_->title());
response->set_size(rom_->size());
response->set_is_expanded(rom_->is_expanded());
// Calculate checksum if available
if (version_mgr_) {
response->set_checksum(version_mgr_->GetCurrentHash());
}
return grpc::Status::OK;
}
// ============================================================================
// Overworld Operations
// ============================================================================
grpc::Status RomServiceImpl::ReadOverworldMap(
grpc::ServerContext* context,
const proto::ReadOverworldMapRequest* request,
proto::ReadOverworldMapResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
uint32_t map_id = request->map_id();
if (map_id >= 160) {
response->set_error("Invalid map ID (must be 0-159)");
return grpc::Status::OK;
}
// TODO: Read actual overworld map data
// For now, return placeholder
response->set_map_id(map_id);
response->set_error("Not yet implemented");
return grpc::Status::OK;
}
grpc::Status RomServiceImpl::WriteOverworldTile(
grpc::ServerContext* context,
const proto::WriteOverworldTileRequest* request,
proto::WriteOverworldTileResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
// Validate coordinates
if (request->x() >= 32 || request->y() >= 32) {
response->set_success(false);
response->set_error("Invalid tile coordinates (must be 0-31)");
return grpc::Status::OK;
}
if (request->map_id() >= 160) {
response->set_success(false);
response->set_error("Invalid map ID (must be 0-159)");
return grpc::Status::OK;
}
// TODO: Implement actual overworld tile writing
response->set_success(false);
response->set_error("Not yet implemented");
return grpc::Status::OK;
}
// ============================================================================
// Dungeon Operations
// ============================================================================
grpc::Status RomServiceImpl::ReadDungeonRoom(
grpc::ServerContext* context,
const proto::ReadDungeonRoomRequest* request,
proto::ReadDungeonRoomResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
uint32_t room_id = request->room_id();
if (room_id >= 296) {
response->set_error("Invalid room ID (must be 0-295)");
return grpc::Status::OK;
}
// TODO: Read actual dungeon room data
response->set_room_id(room_id);
response->set_error("Not yet implemented");
return grpc::Status::OK;
}
grpc::Status RomServiceImpl::WriteDungeonTile(
grpc::ServerContext* context,
const proto::WriteDungeonTileRequest* request,
proto::WriteDungeonTileResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
// TODO: Implement dungeon tile writing
response->set_success(false);
response->set_error("Not yet implemented");
return grpc::Status::OK;
}
// ============================================================================
// Sprite Operations
// ============================================================================
grpc::Status RomServiceImpl::ReadSprite(
grpc::ServerContext* context,
const proto::ReadSpriteRequest* request,
proto::ReadSpriteResponse* response) {
auto status = ValidateRomLoaded();
if (!status.ok()) {
return status;
}
// TODO: Implement sprite reading
response->set_error("Not yet implemented");
return grpc::Status::OK;
}
// ============================================================================
// Proposal System
// ============================================================================
grpc::Status RomServiceImpl::SubmitRomProposal(
grpc::ServerContext* context,
const proto::SubmitRomProposalRequest* request,
proto::SubmitRomProposalResponse* response) {
if (!approval_mgr_) {
response->set_success(false);
response->set_error("Proposal system not enabled");
return grpc::Status::OK;
}
// TODO: Implement proposal submission
response->set_success(false);
response->set_error("Not yet implemented");
return grpc::Status::OK;
}
grpc::Status RomServiceImpl::GetProposalStatus(
grpc::ServerContext* context,
const proto::GetProposalStatusRequest* request,
proto::GetProposalStatusResponse* response) {
if (!approval_mgr_) {
return grpc::Status(
grpc::StatusCode::FAILED_PRECONDITION,
"Proposal system not enabled");
}
std::string proposal_id = request->proposal_id();
auto status_result = approval_mgr_->GetProposalStatus(proposal_id);
if (!status_result.ok()) {
return grpc::Status(
grpc::StatusCode::NOT_FOUND,
"Proposal not found");
}
const auto& status_info = *status_result;
response->set_proposal_id(proposal_id);
response->set_status(status_info.status);
// TODO: Add vote information
return grpc::Status::OK;
}
// ============================================================================
// Version Management
// ============================================================================
grpc::Status RomServiceImpl::CreateSnapshot(
grpc::ServerContext* context,
const proto::CreateSnapshotRequest* request,
proto::CreateSnapshotResponse* response) {
if (!version_mgr_) {
response->set_success(false);
response->set_error("Version management not enabled");
return grpc::Status::OK;
}
auto snapshot_result = version_mgr_->CreateSnapshot(
request->description(),
request->username(),
request->is_checkpoint()
);
if (snapshot_result.ok()) {
response->set_success(true);
response->set_snapshot_id(*snapshot_result);
} else {
response->set_success(false);
response->set_error(std::string(snapshot_result.status().message()));
}
return grpc::Status::OK;
}
grpc::Status RomServiceImpl::RestoreSnapshot(
grpc::ServerContext* context,
const proto::RestoreSnapshotRequest* request,
proto::RestoreSnapshotResponse* response) {
if (!version_mgr_) {
response->set_success(false);
response->set_error("Version management not enabled");
return grpc::Status::OK;
}
auto status = version_mgr_->RestoreSnapshot(request->snapshot_id());
if (status.ok()) {
response->set_success(true);
} else {
response->set_success(false);
response->set_error(std::string(status.message()));
}
return grpc::Status::OK;
}
grpc::Status RomServiceImpl::ListSnapshots(
grpc::ServerContext* context,
const proto::ListSnapshotsRequest* request,
proto::ListSnapshotsResponse* response) {
if (!version_mgr_) {
response->set_error("Version management not enabled");
return grpc::Status::OK;
}
auto snapshots = version_mgr_->GetSnapshots();
uint32_t max_results = request->max_results();
if (max_results == 0) {
max_results = snapshots.size();
}
for (size_t i = 0; i < std::min(max_results, static_cast<uint32_t>(snapshots.size())); ++i) {
const auto& snapshot = snapshots[i];
auto* info = response->add_snapshots();
info->set_snapshot_id(snapshot.snapshot_id);
info->set_description(snapshot.description);
info->set_username(snapshot.username);
info->set_timestamp(snapshot.timestamp);
info->set_is_checkpoint(snapshot.is_checkpoint);
info->set_is_safe_point(snapshot.is_safe_point);
info->set_size_bytes(snapshot.compressed_size);
}
return grpc::Status::OK;
}
// ============================================================================
// Private Helpers
// ============================================================================
grpc::Status RomServiceImpl::ValidateRomLoaded() {
if (!rom_ || !rom_->is_loaded()) {
return grpc::Status(
grpc::StatusCode::FAILED_PRECONDITION,
"ROM not loaded");
}
return grpc::Status::OK;
}
absl::Status RomServiceImpl::MaybeCreateSnapshot(
const std::string& description) {
if (!version_mgr_) {
return absl::OkStatus();
}
auto snapshot_result = version_mgr_->CreateSnapshot(
description,
"grpc_service",
false // not a checkpoint
);
return snapshot_result.status();
}
#endif // YAZE_WITH_GRPC
} // namespace net
} // namespace app
} // namespace yaze

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@@ -0,0 +1,170 @@
#ifndef YAZE_APP_NET_ROM_SERVICE_IMPL_H_
#define YAZE_APP_NET_ROM_SERVICE_IMPL_H_
#include <memory>
#include <string>
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#ifdef YAZE_WITH_GRPC
#include <grpcpp/grpcpp.h>
#include "protos/rom_service.grpc.pb.h"
#endif
#include "app/rom.h"
#include "app/net/rom_version_manager.h"
namespace yaze {
namespace app {
namespace net {
#ifdef YAZE_WITH_GRPC
/**
* @brief gRPC service implementation for remote ROM manipulation
*
* Enables remote clients (like z3ed CLI) to:
* - Read/write ROM data
* - Submit proposals for collaborative editing
* - Manage ROM versions and snapshots
* - Query ROM structures (overworld, dungeons, sprites)
*
* Thread-safe and designed for concurrent access.
*/
class RomServiceImpl final : public proto::RomService::Service {
public:
/**
* @brief Configuration for the ROM service
*/
struct Config {
bool require_approval_for_writes = true; // Submit writes as proposals
bool enable_version_management = true; // Auto-snapshot before changes
int max_read_size_bytes = 1024 * 1024; // 1MB max per read
bool allow_raw_rom_access = true; // Allow direct byte access
};
/**
* @brief Construct ROM service
* @param rom Pointer to ROM instance (not owned)
* @param version_mgr Pointer to version manager (not owned, optional)
* @param approval_mgr Pointer to approval manager (not owned, optional)
*/
RomServiceImpl(Rom* rom,
RomVersionManager* version_mgr = nullptr,
ProposalApprovalManager* approval_mgr = nullptr);
~RomServiceImpl() override = default;
// Initialize with configuration
void SetConfig(const Config& config) { config_ = config; }
// =========================================================================
// Basic ROM Operations
// =========================================================================
grpc::Status ReadBytes(
grpc::ServerContext* context,
const proto::ReadBytesRequest* request,
proto::ReadBytesResponse* response) override;
grpc::Status WriteBytes(
grpc::ServerContext* context,
const proto::WriteBytesRequest* request,
proto::WriteBytesResponse* response) override;
grpc::Status GetRomInfo(
grpc::ServerContext* context,
const proto::GetRomInfoRequest* request,
proto::GetRomInfoResponse* response) override;
// =========================================================================
// Overworld Operations
// =========================================================================
grpc::Status ReadOverworldMap(
grpc::ServerContext* context,
const proto::ReadOverworldMapRequest* request,
proto::ReadOverworldMapResponse* response) override;
grpc::Status WriteOverworldTile(
grpc::ServerContext* context,
const proto::WriteOverworldTileRequest* request,
proto::WriteOverworldTileResponse* response) override;
// =========================================================================
// Dungeon Operations
// =========================================================================
grpc::Status ReadDungeonRoom(
grpc::ServerContext* context,
const proto::ReadDungeonRoomRequest* request,
proto::ReadDungeonRoomResponse* response) override;
grpc::Status WriteDungeonTile(
grpc::ServerContext* context,
const proto::WriteDungeonTileRequest* request,
proto::WriteDungeonTileResponse* response) override;
// =========================================================================
// Sprite Operations
// =========================================================================
grpc::Status ReadSprite(
grpc::ServerContext* context,
const proto::ReadSpriteRequest* request,
proto::ReadSpriteResponse* response) override;
// =========================================================================
// Proposal System
// =========================================================================
grpc::Status SubmitRomProposal(
grpc::ServerContext* context,
const proto::SubmitRomProposalRequest* request,
proto::SubmitRomProposalResponse* response) override;
grpc::Status GetProposalStatus(
grpc::ServerContext* context,
const proto::GetProposalStatusRequest* request,
proto::GetProposalStatusResponse* response) override;
// =========================================================================
// Version Management
// =========================================================================
grpc::Status CreateSnapshot(
grpc::ServerContext* context,
const proto::CreateSnapshotRequest* request,
proto::CreateSnapshotResponse* response) override;
grpc::Status RestoreSnapshot(
grpc::ServerContext* context,
const proto::RestoreSnapshotRequest* request,
proto::RestoreSnapshotResponse* response) override;
grpc::Status ListSnapshots(
grpc::ServerContext* context,
const proto::ListSnapshotsRequest* request,
proto::ListSnapshotsResponse* response) override;
private:
Config config_;
Rom* rom_; // Not owned
RomVersionManager* version_mgr_; // Not owned, may be null
ProposalApprovalManager* approval_mgr_; // Not owned, may be null
// Helper to check if ROM is loaded
grpc::Status ValidateRomLoaded();
// Helper to create snapshot before write operations
absl::Status MaybeCreateSnapshot(const std::string& description);
};
#endif // YAZE_WITH_GRPC
} // namespace net
} // namespace app
} // namespace yaze
#endif // YAZE_APP_NET_ROM_SERVICE_IMPL_H_