mirror of https://github.com/status-im/go-waku.git
78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
package lightpush
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import (
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"context"
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"github.com/libp2p/go-libp2p-core/host"
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"github.com/libp2p/go-libp2p-core/peer"
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"github.com/status-im/go-waku/waku/v2/protocol"
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"github.com/status-im/go-waku/waku/v2/utils"
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"go.uber.org/zap"
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)
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type LightPushParameters struct {
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host host.Host
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selectedPeer peer.ID
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requestId []byte
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log *zap.Logger
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}
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type LightPushOption func(*LightPushParameters)
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// WithPeer is an option used to specify the peerID to push a waku message to
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func WithPeer(p peer.ID) LightPushOption {
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return func(params *LightPushParameters) {
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params.selectedPeer = p
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}
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}
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// WithAutomaticPeerSelection is an option used to randomly select a peer from the peer store
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// to push a waku message to
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func WithAutomaticPeerSelection() LightPushOption {
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return func(params *LightPushParameters) {
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p, err := utils.SelectPeer(params.host, string(LightPushID_v20beta1), params.log)
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if err == nil {
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params.selectedPeer = *p
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} else {
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params.log.Info("selecting peer", zap.Error(err))
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}
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}
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}
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// WithFastestPeerSelection is an option used to select a peer from the peer store
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// with the lowest ping
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func WithFastestPeerSelection(ctx context.Context) LightPushOption {
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return func(params *LightPushParameters) {
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p, err := utils.SelectPeerWithLowestRTT(ctx, params.host, string(LightPushID_v20beta1), params.log)
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if err == nil {
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params.selectedPeer = *p
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} else {
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params.log.Info("selecting peer", zap.Error(err))
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}
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}
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}
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// WithRequestId is an option to set a specific request ID to be used when
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// publishing a message
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func WithRequestId(requestId []byte) LightPushOption {
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return func(params *LightPushParameters) {
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params.requestId = requestId
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}
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}
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// WithAutomaticRequestId is an option to automatically generate a request ID
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// when publishing a message
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func WithAutomaticRequestId() LightPushOption {
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return func(params *LightPushParameters) {
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params.requestId = protocol.GenerateRequestId()
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}
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}
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// DefaultOptions are the default options to be used when using the lightpush protocol
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func DefaultOptions(host host.Host) []LightPushOption {
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return []LightPushOption{
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WithAutomaticRequestId(),
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WithAutomaticPeerSelection(),
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}
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}
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