mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-29 03:41:45 +00:00
97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
package result
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import (
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"net"
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"strconv"
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"github.com/nspcc-dev/neo-go/pkg/network"
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)
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type (
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// GetPeers payload for outputting peers in `getpeers` RPC call.
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GetPeers struct {
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Unconnected Peers `json:"unconnected"`
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Connected Peers `json:"connected"`
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Bad Peers `json:"bad"`
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}
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// Peers represents a slice of peers.
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Peers []Peer
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// Peer represents a peer.
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Peer struct {
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Address string `json:"address"`
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Port uint16 `json:"port"`
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UserAgent string `json:"useragent,omitempty"`
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LastKnownHeight uint32 `json:"lastknownheight,omitempty"`
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}
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)
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// NewGetPeers creates a new GetPeers structure.
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func NewGetPeers() GetPeers {
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return GetPeers{
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Unconnected: []Peer{},
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Connected: []Peer{},
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Bad: []Peer{},
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}
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}
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// AddUnconnected adds a set of peers to the unconnected peers slice.
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func (g *GetPeers) AddUnconnected(addrs []string) {
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g.Unconnected.addPeers(addrs)
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}
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// AddConnected adds a set of connected peers to the connected peers slice.
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func (g *GetPeers) AddConnected(connectedPeers []network.PeerInfo) {
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g.Connected.addConnectedPeers(connectedPeers)
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}
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// AddBad adds a set of peers to the bad peers slice.
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func (g *GetPeers) AddBad(addrs []string) {
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g.Bad.addPeers(addrs)
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}
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// addPeers adds a set of peers to the given peer slice.
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func (p *Peers) addPeers(addrs []string) {
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for i := range addrs {
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host, port, err := parseHostPort(addrs[i])
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if err != nil {
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continue
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}
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peer := Peer{
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Address: host,
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Port: port,
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}
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*p = append(*p, peer)
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}
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}
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// addConnectedPeers adds a set of connected peers to the given peer slice.
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func (p *Peers) addConnectedPeers(connectedPeers []network.PeerInfo) {
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for i := range connectedPeers {
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host, port, err := parseHostPort(connectedPeers[i].Address)
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if err != nil {
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continue
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}
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peer := Peer{
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Address: host,
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Port: port,
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UserAgent: connectedPeers[i].UserAgent,
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LastKnownHeight: connectedPeers[i].Height,
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}
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*p = append(*p, peer)
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}
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}
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// parseHostPort parses host and port from the given address.
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// An improperly formatted port string will return zero port.
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func parseHostPort(addr string) (string, uint16, error) {
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host, portStr, err := net.SplitHostPort(addr)
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if err != nil {
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return "", 0, err
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}
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port, _ := strconv.ParseUint(portStr, 10, 16)
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return host, uint16(port), nil
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}
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