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/*
* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "net/dcsctp/packet/error_cause/error_cause.h"
#include <stddef.h>
#include <cstdint>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "absl/types/optional.h"
#include "api/array_view.h"
#include "net/dcsctp/common/math.h"
#include "net/dcsctp/packet/error_cause/cookie_received_while_shutting_down_cause.h"
#include "net/dcsctp/packet/error_cause/invalid_mandatory_parameter_cause.h"
#include "net/dcsctp/packet/error_cause/invalid_stream_identifier_cause.h"
#include "net/dcsctp/packet/error_cause/missing_mandatory_parameter_cause.h"
#include "net/dcsctp/packet/error_cause/no_user_data_cause.h"
#include "net/dcsctp/packet/error_cause/out_of_resource_error_cause.h"
#include "net/dcsctp/packet/error_cause/protocol_violation_cause.h"
#include "net/dcsctp/packet/error_cause/restart_of_an_association_with_new_address_cause.h"
#include "net/dcsctp/packet/error_cause/stale_cookie_error_cause.h"
#include "net/dcsctp/packet/error_cause/unrecognized_chunk_type_cause.h"
#include "net/dcsctp/packet/error_cause/unrecognized_parameter_cause.h"
#include "net/dcsctp/packet/error_cause/unresolvable_address_cause.h"
#include "net/dcsctp/packet/error_cause/user_initiated_abort_cause.h"
#include "rtc_base/strings/string_builder.h"
namespace dcsctp {
template <class ErrorCause>
bool ParseAndPrint(ParameterDescriptor descriptor, rtc::StringBuilder& sb) {
if (descriptor.type == ErrorCause::kType) {
absl::optional<ErrorCause> p = ErrorCause::Parse(descriptor.data);
if (p.has_value()) {
sb << p->ToString();
} else {
sb << "Failed to parse error cause of type " << ErrorCause::kType;
}
return true;
}
return false;
}
std::string ErrorCausesToString(const Parameters& parameters) {
rtc::StringBuilder sb;
std::vector<ParameterDescriptor> descriptors = parameters.descriptors();
for (size_t i = 0; i < descriptors.size(); ++i) {
if (i > 0) {
sb << "\n";
}
const ParameterDescriptor& d = descriptors[i];
if (!ParseAndPrint<InvalidStreamIdentifierCause>(d, sb) &&
!ParseAndPrint<MissingMandatoryParameterCause>(d, sb) &&
!ParseAndPrint<StaleCookieErrorCause>(d, sb) &&
!ParseAndPrint<OutOfResourceErrorCause>(d, sb) &&
!ParseAndPrint<UnresolvableAddressCause>(d, sb) &&
!ParseAndPrint<UnrecognizedChunkTypeCause>(d, sb) &&
!ParseAndPrint<InvalidMandatoryParameterCause>(d, sb) &&
!ParseAndPrint<UnrecognizedParametersCause>(d, sb) &&
!ParseAndPrint<NoUserDataCause>(d, sb) &&
!ParseAndPrint<CookieReceivedWhileShuttingDownCause>(d, sb) &&
!ParseAndPrint<RestartOfAnAssociationWithNewAddressesCause>(d, sb) &&
!ParseAndPrint<UserInitiatedAbortCause>(d, sb) &&
!ParseAndPrint<ProtocolViolationCause>(d, sb)) {
sb << "Unhandled parameter of type: " << d.type;
}
}
return sb.Release();
}
} // namespace dcsctp
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