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mirror of https://github.com/edouardparis/lntop synced 2024-11-16 00:12:44 +00:00
lntop/ui/views/channels.go
2019-04-09 10:08:43 +02:00

298 lines
7.4 KiB
Go

package views
import (
"bytes"
"fmt"
"github.com/jroimartin/gocui"
"golang.org/x/text/language"
"golang.org/x/text/message"
netmodels "github.com/edouardparis/lntop/network/models"
"github.com/edouardparis/lntop/ui/color"
"github.com/edouardparis/lntop/ui/models"
)
const (
CHANNEL = "channel"
CHANNEL_HEADER = "channel_header"
CHANNEL_FOOTER = "channel_footer"
CHANNELS = "channels"
CHANNELS_COLUMNS = "channels_columns"
CHANNELS_FOOTER = "channels_footer"
)
type Channels struct {
channels *models.Channels
}
func (c Channels) Name() string {
return CHANNELS
}
func (c *Channels) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
columns, err := g.SetView(CHANNELS_COLUMNS, x0-1, y0, x1+2, y0+2)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
}
columns.Frame = false
columns.BgColor = gocui.ColorGreen
columns.FgColor = gocui.ColorBlack
displayChannelsColumns(columns)
v, err := g.SetView(CHANNELS, x0-1, y0+1, x1+2, y1-1)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
_, err = g.SetCurrentView(CHANNELS)
if err != nil {
return err
}
}
v.Frame = false
v.Autoscroll = false
v.SelBgColor = gocui.ColorCyan
v.SelFgColor = gocui.ColorBlack
v.Highlight = true
c.display(v)
footer, err := g.SetView(CHANNELS_FOOTER, x0-1, y1-2, x1, y1)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
}
footer.Frame = false
footer.BgColor = gocui.ColorCyan
footer.FgColor = gocui.ColorBlack
footer.Clear()
fmt.Fprintln(footer, fmt.Sprintf("%s%s %s%s %s%s",
color.BlackBg("F1"), "Help",
color.BlackBg("Enter"), "Channel",
color.BlackBg("F10"), "Quit",
))
return nil
}
func displayChannelsColumns(v *gocui.View) {
v.Clear()
fmt.Fprintln(v, fmt.Sprintf("%-13s %-20s %-21s %12s %12s %5s %-15s %s",
"STATUS",
"ALIAS",
"GAUGE",
"LOCAL",
"CAP",
"HTLC",
"Last Update",
"ID",
))
}
func (c *Channels) display(v *gocui.View) {
p := message.NewPrinter(language.English)
v.Clear()
for _, item := range c.channels.List() {
line := fmt.Sprintf("%s %-20s %s %s %s %5d %15s %d %500s",
status(item),
alias(item),
gauge(item),
color.Cyan(p.Sprintf("%12d", item.LocalBalance)),
p.Sprintf("%12d", item.Capacity),
len(item.PendingHTLC),
lastUpdate(item),
item.ID,
"",
)
fmt.Fprintln(v, line)
}
}
func alias(c *netmodels.Channel) string {
if c.Node == nil || c.Node.Alias == "" {
return c.RemotePubKey[:19]
}
return c.Node.Alias
}
func lastUpdate(c *netmodels.Channel) string {
if c.LastUpdate != nil {
return c.LastUpdate.Format("15:04:05 Jan _2")
}
return ""
}
func status(c *netmodels.Channel) string {
switch c.Status {
case netmodels.ChannelActive:
return color.Green(fmt.Sprintf("%-13s", "active"))
case netmodels.ChannelInactive:
return color.Red(fmt.Sprintf("%-13s", "inactive"))
case netmodels.ChannelOpening:
return color.Yellow(fmt.Sprintf("%-13s", "opening"))
case netmodels.ChannelClosing:
return color.Yellow(fmt.Sprintf("%-13s", "closing"))
case netmodels.ChannelForceClosing:
return color.Yellow(fmt.Sprintf("%-13s", "force closing"))
case netmodels.ChannelWaitingClose:
return color.Yellow(fmt.Sprintf("%-13s", "waiting close"))
}
return ""
}
func gauge(c *netmodels.Channel) string {
index := int(c.LocalBalance * int64(15) / c.Capacity)
var buffer bytes.Buffer
for i := 0; i < 15; i++ {
if i < index {
buffer.WriteString(color.Cyan("|"))
continue
}
buffer.WriteString(" ")
}
return fmt.Sprintf("[%s] %2d%%", buffer.String(), c.LocalBalance*100/c.Capacity)
}
func NewChannels(channels *models.Channels) *Channels {
return &Channels{channels: channels}
}
type Channel struct {
channel *models.Channel
}
func (c Channel) Name() string {
return CHANNEL
}
func (c Channel) Empty() bool {
return c.channel == nil
}
func (c *Channel) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
header, err := g.SetView(CHANNEL_HEADER, x0-1, y0, x1+2, y0+2)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
}
header.Frame = false
header.BgColor = gocui.ColorGreen
header.FgColor = gocui.ColorBlack | gocui.AttrBold
header.Clear()
fmt.Fprintln(header, "Channel")
v, err := g.SetView(CHANNEL, x0-1, y0+1, x1+2, y1-2)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
}
v.Frame = false
c.display(v)
footer, err := g.SetView(CHANNEL_FOOTER, x0-1, y1-2, x1, y1)
if err != nil {
if err != gocui.ErrUnknownView {
return err
}
}
footer.Frame = false
footer.BgColor = gocui.ColorCyan
footer.FgColor = gocui.ColorBlack
footer.Clear()
fmt.Fprintln(footer, fmt.Sprintf("%s%s %s%s %s%s",
color.BlackBg("F1"), "Help",
color.BlackBg("Enter"), "Channels",
color.BlackBg("F10"), "Quit",
))
return nil
}
func (c Channel) Delete(g *gocui.Gui) error {
err := g.DeleteView(CHANNEL_HEADER)
if err != nil {
return err
}
err = g.DeleteView(CHANNEL)
if err != nil {
return err
}
return g.DeleteView(CHANNEL_FOOTER)
}
func (c *Channel) display(v *gocui.View) {
p := message.NewPrinter(language.English)
v.Clear()
channel := c.channel.Item
fmt.Fprintln(v, color.Green(" [ Channel ]"))
fmt.Fprintln(v, fmt.Sprintf("%s %s",
color.Cyan(" Status:"), status(channel)))
fmt.Fprintln(v, fmt.Sprintf("%s %d",
color.Cyan(" ID:"), channel.ID))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Capacity:"), channel.Capacity))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Local Balance:"), channel.LocalBalance))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Remote Balance:"), channel.RemoteBalance))
fmt.Fprintln(v, fmt.Sprintf("%s %s",
color.Cyan(" Channel Point:"), channel.ChannelPoint))
fmt.Fprintln(v, "")
fmt.Fprintln(v, color.Green(" [ Node ]"))
fmt.Fprintln(v, fmt.Sprintf("%s %s",
color.Cyan(" Alias:"), alias(channel)))
fmt.Fprintln(v, fmt.Sprintf("%s %s",
color.Cyan(" PubKey:"), channel.RemotePubKey))
if channel.Node != nil {
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Total Capacity:"), channel.Node.TotalCapacity))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Total Channels:"), channel.Node.NumChannels))
}
if channel.Policy1 != nil {
fmt.Fprintln(v, "")
fmt.Fprintln(v, color.Green(" [ Forward Policy Node1 ]"))
if channel.Policy1.Disabled {
fmt.Fprintln(v, color.Red("disabled"))
}
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Time lock delta:"), channel.Policy1.TimeLockDelta))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Min htlc:"), channel.Policy1.MinHtlc))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Fee base msat:"), channel.Policy1.FeeBaseMsat))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan("Fee rate milli msat:"), channel.Policy1.FeeRateMilliMsat))
}
if channel.Policy2 != nil {
fmt.Fprintln(v, "")
fmt.Fprintln(v, color.Green(" [ Forward Policy Node 2 ]"))
if channel.Policy2.Disabled {
fmt.Fprintln(v, color.Red("disabled"))
}
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Time lock delta:"), channel.Policy2.TimeLockDelta))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Min htlc:"), channel.Policy2.MinHtlc))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan(" Fee base msat:"), channel.Policy2.FeeBaseMsat))
fmt.Fprintln(v, p.Sprintf("%s %d",
color.Cyan("Fee rate milli msat:"), channel.Policy2.FeeRateMilliMsat))
}
}
func NewChannel(channel *models.Channel) *Channel {
return &Channel{channel: channel}
}