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TraceDataEncoder

rocketmq_client_rust

Struct TraceDataEncoder 

Source 
pub struct TraceDataEncoder;
Expand description

Encodes and decodes trace data for RocketMQ message tracing.

Provides utilities for converting structured trace contexts into wire format strings and parsing trace data strings back into trace contexts. The encoder uses pre-allocated buffers and zero-copy string parsing to minimize allocations.

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impl TraceDataEncoder

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pub fn decoder_from_trace_data_string(trace_data: &str) -> Vec<TraceContext>

Decodes trace data from a string into structured trace contexts.

Parses a trace data string containing one or more encoded trace records separated by field separators. The result vector is pre-allocated based on separator count to minimize allocations. Invalid or malformed records are silently skipped.

Returns an empty vector if the input string is empty.

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pub fn encoder_from_context_bean( ctx: &TraceContext, ) -> Option<TraceTransferBean>

Encodes a trace context into a transfer bean for transmission.

Serializes the trace context into a wire format string and extracts message keys for indexing. The string builder is pre-allocated with 256 bytes capacity to reduce allocations during encoding.

Returns None if the context has no trace beans or an invalid trace type.

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