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// Copyright (C) 2019-2021 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package txnsync
import (
"fmt"
"strconv"
"strings"
"testing"
"github.com/algorand/go-algorand/logging"
)
// Foreground text colors
const (
reset = 0
black = 30
red = 31
green = 32
yellow = 33
blue = 34
magenta = 35
cyan = 36
white = 37
hiblack = 90
hired = 91
higreen = 92
hiyellow = 93
hiblue = 94
himagenta = 95
hicyan = 96
hiwhite = 97
)
const escape = "\x1b"
var colors = []int{red, green, yellow, blue, magenta, cyan, hired, higreen, hiyellow, hiblue, himagenta, hicyan}
var lowColors = []int{red, green, yellow, blue, magenta, cyan}
type emulatorNodeLogger struct {
algodlogger
node *emulatedNode
longestName int
}
func makeNodeLogger(l logging.Logger, node *emulatedNode) Logger {
return &emulatorNodeLogger{
algodlogger: l,
node: node,
}
}
type msgMode int
const (
modeZero msgMode = iota
modeIncoming
modeOutgoing
)
// implement local interface Logger
func (e *emulatorNodeLogger) outgoingMessage(mstat msgStats) {
e.printMsgStats(mstat, modeOutgoing)
}
// implement local interface Logger
func (e *emulatorNodeLogger) incomingMessage(mstat msgStats) {
e.printMsgStats(mstat, modeIncoming)
}
func (e emulatorNodeLogger) printMsgStats(mstat msgStats, mode msgMode) {
seq := int(mstat.sequenceNumber)
round := mstat.round
transactions := mstat.transactions
offset := mstat.offsetModulator.Offset
modulator := mstat.offsetModulator.Modulator
bloom := mstat.bloomSize
nextTS := mstat.nextMsgMinDelay
// emulator peer addresses are just an int
destIndex, _ := strconv.Atoi(mstat.peerAddress)
destName := e.node.emulator.nodes[destIndex].name
if e.longestName == 0 {
for _, node := range e.node.emulator.nodes {
if len(node.name) > e.longestName {
e.longestName = len(node.name) + 1
}
}
}
elapsed := e.node.emulator.clock.Since().Milliseconds()
out := fmt.Sprintf("%3d.%03d ", elapsed/1000, elapsed%1000)
out += fmt.Sprintf("%"+fmt.Sprintf("%d", e.longestName)+"s", e.node.name)
bfColor := hiblack
if bloom > 0 {
bfColor = higreen
}
nextTSColor := hiblack
if nextTS > 0 {
nextTSColor = higreen
}
mid := fmt.Sprintf("Round %s Txns %s Req [%3d/%3d] %s %s",
wrapRollingColor(int(round), fmt.Sprintf("%2d", round)),
wrapRollingColor(transactions, fmt.Sprintf("%3d", transactions)),
offset,
modulator,
wrapColor(bfColor, "BF"),
wrapColor(nextTSColor, "TS"),
)
if mode == modeOutgoing {
out += wrapRollingLowColor(seq, " [ ")
out += mid + wrapRollingLowColor(seq, " --> ") + strings.Repeat(" ", 20)
out += wrapColor(hiblack, " ] ")
} else {
out += wrapColor(hiblack, " [ ")
out += strings.Repeat(" ", 20) + wrapRollingLowColor(seq, " <-- ") + mid
out += wrapRollingLowColor(seq, " ] ")
}
out += fmt.Sprintf("%"+fmt.Sprintf("%d", e.longestName)+"s", destName)
if testing.Verbose() {
fmt.Printf("%s\n", out)
}
}
func wrapRollingLowColor(color int, s string) (out string) {
return wrapColor(lowColors[color%len(lowColors)], s)
}
func wrapRollingColor(color int, s string) (out string) {
return wrapColor(colors[color%len(colors)], s)
}
func wrapColor(color int, s string) (out string) {
return fmt.Sprintf("%s[1;%dm%s%s[1;%dm", escape, color, s, escape, reset)
}
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