rocketmq-client-rust 0.9.0

Rust implementation of Apache rocketmq client
Documentation 
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// Copyright 2023 The RocketMQ Rust 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
//
//     http://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.

pub struct TraceConstants;

impl TraceConstants {
    pub const GROUP_NAME_PREFIX: &'static str = "_INNER_TRACE_PRODUCER";
    pub const CONTENT_SPLITOR: char = '\u{0001}';
    pub const FIELD_SPLITOR: char = '\u{0002}';
    pub const TRACE_INSTANCE_NAME: &'static str = "PID_CLIENT_INNER_TRACE_PRODUCER";
    pub const TRACE_TOPIC_PREFIX: &'static str = "TRACE_DATA_"; // Adjusted for TopicValidator.SYSTEM_TOPIC_PREFIX
    pub const TO_PREFIX: &'static str = "To_";
    pub const FROM_PREFIX: &'static str = "From_";
    pub const END_TRANSACTION: &'static str = "EndTransaction";
    pub const ROCKETMQ_SERVICE: &'static str = "rocketmq";
    pub const ROCKETMQ_SUCCESS: &'static str = "rocketmq.success";
    pub const ROCKETMQ_TAGS: &'static str = "rocketmq.tags";
    pub const ROCKETMQ_KEYS: &'static str = "rocketmq.keys";
    pub const ROCKETMQ_STORE_HOST: &'static str = "rocketmq.store_host";
    pub const ROCKETMQ_BODY_LENGTH: &'static str = "rocketmq.body_length";
    pub const ROCKETMQ_MSG_ID: &'static str = "rocketmq.mgs_id";
    pub const ROCKETMQ_MSG_TYPE: &'static str = "rocketmq.mgs_type";
    pub const ROCKETMQ_REGION_ID: &'static str = "rocketmq.region_id";
    pub const ROCKETMQ_TRANSACTION_ID: &'static str = "rocketmq.transaction_id";
    pub const ROCKETMQ_TRANSACTION_STATE: &'static str = "rocketmq.transaction_state";
    pub const ROCKETMQ_IS_FROM_TRANSACTION_CHECK: &'static str = "rocketmq.is_from_transaction_check";
    pub const ROCKETMQ_RETRY_TIMERS: &'static str = "rocketmq.retry_times";
}