ginuerzh
c6d3238b15
Add package-level architecture documentation describing two modes (hop-based forwarding and direct proxy), two-tier dialing strategy in forwardSerial, recorderConn per-packet logging with direction convention, and metadata parsing details. No code changes.
27 lines
915 B
Go
27 lines
915 B
Go
package serial
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import (
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"time"
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mdata "github.com/go-gost/core/metadata"
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mdutil "github.com/go-gost/x/metadata/util"
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)
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// metadata holds the parsed configuration for the serial handler.
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// It is populated from the handler's metadata map during Init().
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type metadata struct {
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// timeout is the per-read timeout applied when opening a serial port
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// directly (not through the router chain). It controls how long the
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// serial port blocks waiting for data before returning to the caller.
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// A value of 0 means blocking indefinitely (no timeout).
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timeout time.Duration
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}
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// parseMetadata extracts typed configuration from the generic metadata map.
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// Supported keys: "timeout", "serial.timeout" (both accept duration strings
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// like "5s" or integer seconds).
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func (h *serialHandler) parseMetadata(md mdata.Metadata) (err error) {
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h.md.timeout = mdutil.GetDuration(md, "timeout", "serial.timeout")
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return
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}
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