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#include "src/buildtool/execution_api/remote/bazel/bazel_api.hpp"
#include <algorithm>
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "src/buildtool/common/bazel_types.hpp"
#include "src/buildtool/execution_api/bazel_msg/bazel_blob.hpp"
#include "src/buildtool/execution_api/bazel_msg/bazel_blob_container.hpp"
#include "src/buildtool/execution_api/bazel_msg/bazel_common.hpp"
#include "src/buildtool/execution_api/bazel_msg/bazel_msg_factory.hpp"
#include "src/buildtool/execution_api/remote/bazel/bazel_ac_client.hpp"
#include "src/buildtool/execution_api/remote/bazel/bazel_action.hpp"
#include "src/buildtool/execution_api/remote/bazel/bazel_cas_client.hpp"
#include "src/buildtool/execution_api/remote/bazel/bazel_execution_client.hpp"
#include "src/buildtool/execution_api/remote/bazel/bazel_network.hpp"
#include "src/buildtool/execution_api/remote/bazel/bazel_response.hpp"
#include "src/buildtool/file_system/file_system_manager.hpp"
#include "src/buildtool/logging/logger.hpp"
BazelApi::BazelApi(std::string const& instance_name,
std::string const& host,
Port port,
ExecutionConfiguration const& exec_config) noexcept {
tree_map_ = std::make_shared<LocalTreeMap>();
network_ = std::make_shared<BazelNetwork>(
instance_name, host, port, exec_config, tree_map_);
}
// implement move constructor in cpp, where all members are complete types
BazelApi::BazelApi(BazelApi&& other) noexcept = default;
// implement destructor in cpp, where all members are complete types
BazelApi::~BazelApi() = default;
auto BazelApi::CreateAction(
ArtifactDigest const& root_digest,
std::vector<std::string> const& command,
std::vector<std::string> const& output_files,
std::vector<std::string> const& output_dirs,
std::map<std::string, std::string> const& env_vars,
std::map<std::string, std::string> const& properties) noexcept
-> IExecutionAction::Ptr {
return std::unique_ptr<BazelAction>{new BazelAction{network_,
tree_map_,
root_digest,
command,
output_files,
output_dirs,
env_vars,
properties}};
}
// NOLINTNEXTLINE(misc-no-recursion)
[[nodiscard]] auto BazelApi::RetrieveToPaths(
std::vector<Artifact::ObjectInfo> const& artifacts_info,
std::vector<std::filesystem::path> const& output_paths) noexcept -> bool {
if (artifacts_info.size() != output_paths.size()) {
Logger::Log(LogLevel::Error,
"different number of digests and output paths.");
return false;
}
// Obtain file digests from artifact infos
std::vector<bazel_re::Digest> file_digests{};
std::vector<std::size_t> artifact_pos{};
for (std::size_t i{}; i < artifacts_info.size(); ++i) {
auto const& info = artifacts_info[i];
if (IsTreeObject(info.type)) {
// read object infos from sub tree and call retrieve recursively
auto const infos =
network_->ReadTreeInfos(info.digest, output_paths[i]);
if (not infos or not RetrieveToPaths(infos->second, infos->first)) {
return false;
}
}
else {
file_digests.emplace_back(info.digest);
artifact_pos.emplace_back(i);
}
}
// Request file blobs
auto size = file_digests.size();
auto reader = network_->ReadBlobs(std::move(file_digests));
auto blobs = reader.Next();
std::size_t count{};
while (not blobs.empty()) {
if (count + blobs.size() > size) {
Logger::Log(LogLevel::Error, "received more blobs than requested.");
return false;
}
for (std::size_t pos = 0; pos < blobs.size(); ++pos) {
auto gpos = artifact_pos[count + pos];
auto const& type = artifacts_info[gpos].type;
if (not FileSystemManager::WriteFileAs</*kSetEpochTime=*/true,
/*kSetWritable=*/true>(
blobs[pos].data, output_paths[gpos], type)) {
return false;
}
}
count += blobs.size();
blobs = reader.Next();
}
if (count != size) {
Logger::Log(LogLevel::Error, "could not retrieve all requested blobs.");
return false;
}
return true;
}
[[nodiscard]] auto BazelApi::RetrieveToFds(
std::vector<Artifact::ObjectInfo> const& artifacts_info,
std::vector<int> const& fds) noexcept -> bool {
if (artifacts_info.size() != fds.size()) {
Logger::Log(LogLevel::Error,
"different number of digests and file descriptors.");
return false;
}
for (std::size_t i{}; i < artifacts_info.size(); ++i) {
auto fd = fds[i];
auto const& info = artifacts_info[i];
if (gsl::owner<FILE*> out = fdopen(fd, "wb")) { // NOLINT
auto const success = network_->DumpToStream(info, out);
std::fclose(out);
if (not success) {
Logger::Log(LogLevel::Error,
"dumping {} {} to file descriptor {} failed.",
IsTreeObject(info.type) ? "tree" : "blob",
info.ToString(),
fd);
return false;
}
}
else {
Logger::Log(
LogLevel::Error, "opening file descriptor {} failed.", fd);
return false;
}
}
return true;
}
[[nodiscard]] auto BazelApi::Upload(BlobContainer const& blobs,
bool skip_find_missing) noexcept -> bool {
return network_->UploadBlobs(blobs, skip_find_missing);
}
[[nodiscard]] auto BazelApi::UploadTree(
std::vector<DependencyGraph::NamedArtifactNodePtr> const&
artifacts) noexcept -> std::optional<ArtifactDigest> {
BlobContainer blobs{};
auto tree = tree_map_->CreateTree();
auto digest = BazelMsgFactory::CreateDirectoryDigestFromTree(
artifacts,
[&blobs](BazelBlob&& blob) { blobs.Emplace(std::move(blob)); },
[&tree](auto path, auto info) { return tree.AddInfo(path, info); });
if (not digest) {
Logger::Log(LogLevel::Debug, "failed to create digest for tree.");
return std::nullopt;
}
if (not Upload(blobs, /*skip_find_missing=*/false)) {
Logger::Log(LogLevel::Debug, "failed to upload blobs for tree.");
return std::nullopt;
}
if (tree_map_->AddTree(*digest, std::move(tree))) {
return ArtifactDigest{*digest};
}
return std::nullopt;
}
[[nodiscard]] auto BazelApi::IsAvailable(
ArtifactDigest const& digest) const noexcept -> bool {
return network_->IsAvailable(digest);
}
[[nodiscard]] auto BazelApi::IsAvailable(
std::vector<ArtifactDigest> const& digests) const noexcept
-> std::vector<ArtifactDigest> {
std::vector<bazel_re::Digest> bazel_digests;
bazel_digests.reserve(digests.size());
std::transform(digests.begin(),
digests.end(),
std::back_inserter(bazel_digests),
[](ArtifactDigest const& digest) { return digest; });
auto bazel_result = network_->IsAvailable(bazel_digests);
std::vector<ArtifactDigest> result;
result.reserve(bazel_result.size());
std::transform(
bazel_result.begin(),
bazel_result.end(),
std::back_inserter(result),
[](bazel_re::Digest& digest) { return ArtifactDigest{digest}; });
return result;
}
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