bff2ba70fd
This commit introduces package connmgr which contains connection management related functionality. The following is an overview of the features the package provides: - Maintain fixed number of outbound connections - Optional connect-only mode - Retry persistent connections with increasing back-off - Source peers from DNS seeds - Use Tor to resolve DNS - Dynamic ban scores - Test coverage In addition, btcd has been refactored to make use of the new package by extending the connection manager to work with the server to source and maintain peer connections. The following is a broad overview of the changes to integrate the package: - Simplify peer state by removing pending, retry peers - Refactor to remove retries which are now handled by connmgr - Use callback to add addresses sourced from the DNS seed Finally the following connection-related things have been improved as a part of this refactor: - Fixes 100% cpu usage when network is down (#129) - Fixes issues with max peers (#577) - Simplify outbound peer connections management
31 lines
861 B
Go
31 lines
861 B
Go
// Copyright (c) 2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package connmgr
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import "github.com/btcsuite/btclog"
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// log is a logger that is initialized with no output filters. This
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// means the package will not perform any logging by default until the caller
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// requests it.
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var log btclog.Logger
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// The default amount of logging is none.
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func init() {
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DisableLog()
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}
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// DisableLog disables all library log output. Logging output is disabled
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// by default until either UseLogger or SetLogWriter are called.
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func DisableLog() {
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log = btclog.Disabled
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}
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// UseLogger uses a specified Logger to output package logging info.
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// This should be used in preference to SetLogWriter if the caller is also
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// using btclog.
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func UseLogger(logger btclog.Logger) {
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log = logger
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}
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