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// Copyright 2020 The Pigweed 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
//
// https://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 "pw_log_rpc/log_filter_service.h"
#include "pw_log/log.h"
#include "pw_log/proto/log.pwpb.h"
#include "pw_log_rpc/log_filter.h"
#include "pw_protobuf/decoder.h"
namespace pw::log_rpc {
StatusWithSize FilterService::SetFilter(ConstByteSpan request, ByteSpan) {
protobuf::Decoder decoder(request);
PW_TRY_WITH_SIZE(decoder.Next());
if (static_cast<log::SetFilterRequest::Fields>(decoder.FieldNumber()) !=
log::SetFilterRequest::Fields::FILTER_ID) {
return StatusWithSize::InvalidArgument();
}
ConstByteSpan filter_id;
PW_TRY_WITH_SIZE(decoder.ReadBytes(&filter_id));
Result<Filter*> filter = filter_map_.GetFilterFromId(filter_id);
if (!filter.ok()) {
return StatusWithSize::NotFound();
}
PW_TRY_WITH_SIZE(decoder.Next());
ConstByteSpan filter_buffer;
if (static_cast<log::SetFilterRequest::Fields>(decoder.FieldNumber()) !=
log::SetFilterRequest::Fields::FILTER) {
return StatusWithSize::InvalidArgument();
}
PW_TRY_WITH_SIZE(decoder.ReadBytes(&filter_buffer));
PW_TRY_WITH_SIZE(filter.value()->UpdateRulesFromProto(filter_buffer));
return StatusWithSize();
}
StatusWithSize FilterService::GetFilter(ConstByteSpan request,
ByteSpan response) {
protobuf::Decoder decoder(request);
PW_TRY_WITH_SIZE(decoder.Next());
if (static_cast<log::GetFilterRequest::Fields>(decoder.FieldNumber()) !=
log::GetFilterRequest::Fields::FILTER_ID) {
return StatusWithSize::InvalidArgument();
}
ConstByteSpan filter_id;
PW_TRY_WITH_SIZE(decoder.ReadBytes(&filter_id));
Result<Filter*> filter = filter_map_.GetFilterFromId(filter_id);
if (!filter.ok()) {
return StatusWithSize::NotFound();
}
log::Filter::MemoryEncoder encoder(response);
for (auto& rule : (*filter)->rules()) {
log::FilterRule::StreamEncoder rule_encoder = encoder.GetRuleEncoder();
rule_encoder.WriteLevelGreaterThanOrEqual(rule.level_greater_than_or_equal)
.IgnoreError();
rule_encoder.WriteModuleEquals(rule.module_equals).IgnoreError();
rule_encoder.WriteAnyFlagsSet(rule.any_flags_set).IgnoreError();
rule_encoder.WriteAction(static_cast<log::FilterRule::Action>(rule.action))
.IgnoreError();
PW_TRY_WITH_SIZE(rule_encoder.status());
}
PW_TRY_WITH_SIZE(encoder.status());
return StatusWithSize(encoder.size());
}
StatusWithSize FilterService::ListFilterIds(ConstByteSpan, ByteSpan response) {
log::FilterIdListResponse::MemoryEncoder encoder(response);
for (auto& filter : filter_map_.filters()) {
PW_TRY_WITH_SIZE(encoder.WriteFilterId(filter.id()));
}
return StatusWithSize(encoder.size());
}
} // namespace pw::log_rpc
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