本文整理汇总了Golang中github.com/cockroachdb/cockroach/gossip/simulation.Network.GetNodeFromAddr方法的典型用法代码示例。如果您正苦于以下问题:Golang Network.GetNodeFromAddr方法的具体用法?Golang Network.GetNodeFromAddr怎么用?Golang Network.GetNodeFromAddr使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/cockroachdb/cockroach/gossip/simulation.Network
的用法示例。
在下文中一共展示了Network.GetNodeFromAddr方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: outputDotFile
//.........这里部分代码省略.........
if err != nil {
log.Fatalf("unable to create temp file: %s", err)
}
defer f.Close()
// Determine maximum number of incoming connections. Create outgoing
// edges, keeping track of which are new since last time (added=true).
outgoingMap := make(edgeMap)
var maxIncoming int
// The order the graph file is written influences the arrangement
// of nodes in the output image, so it makes sense to eliminate
// randomness here. Unfortunately with graphviz it's fairly hard
// to get a consistent ordering.
for _, simNode := range network.Nodes {
node := simNode.Gossip
incoming := node.Incoming()
for _, iAddr := range incoming {
e := edge{dest: simNode.Addr.String()}
key := fmt.Sprintf("%s:%s", iAddr.String(), simNode.Addr)
if _, ok := edgeSet[key]; !ok {
e.added = true
}
delete(edgeSet, key)
outgoingMap.addEdge(iAddr.String(), e)
}
if len(incoming) > maxIncoming {
maxIncoming = len(incoming)
}
}
// Find all edges which were deleted.
for key, e := range edgeSet {
e.added = false
e.deleted = true
outgoingMap.addEdge(strings.Split(key, ":")[0], e)
delete(edgeSet, key)
}
f.WriteString("digraph G {\n")
f.WriteString("node [shape=record];\n")
for _, simNode := range network.Nodes {
node := simNode.Gossip
var incomplete int
var totalAge int64
for _, addr := range network.Addrs {
infoKey := addr.String()
if infoKey == simNode.Addr.String() {
continue // skip the node's own info
}
if val, err := node.GetInfo(infoKey); err != nil {
log.Infof("error getting info for key %q: %s", infoKey, err)
incomplete++
} else {
totalAge += int64(cycle) - val.(int64)
}
}
var sentinelAge int64
if val, err := node.GetInfo(gossip.KeySentinel); err != nil {
log.Infof("error getting info for sentinel gossip key %q: %s", gossip.KeySentinel, err)
} else {
sentinelAge = int64(cycle) - val.(int64)
}
var age, nodeColor string
if incomplete > 0 {
nodeColor = "color=red,"
age = fmt.Sprintf("missing %d", incomplete)
} else {
age = strconv.FormatFloat(float64(totalAge)/float64(len(network.Nodes)-1), 'f', 2, 64)
}
fontSize := minDotFontSize
if maxIncoming > 0 {
fontSize = minDotFontSize + int(math.Floor(float64(len(node.Incoming())*
(maxDotFontSize-minDotFontSize))/float64(maxIncoming)))
}
f.WriteString(fmt.Sprintf("\t%s [%sfontsize=%d,label=\"{%s|MH=%d, AA=%s, SA=%d}\"]\n",
node.Name, nodeColor, fontSize, node.Name, node.MaxHops(), age, sentinelAge))
outgoing := outgoingMap[simNode.Addr.String()]
for _, e := range outgoing {
destSimNode, ok := network.GetNodeFromAddr(e.dest)
if !ok {
continue
}
dest := destSimNode.Gossip
style := ""
if e.added {
style = " [color=green]"
} else if e.deleted {
style = " [color=red,style=dotted]"
}
f.WriteString(fmt.Sprintf("\t%s -> %s%s\n", node.Name, dest.Name, style))
if !e.deleted {
edgeSet[fmt.Sprintf("%s:%s", simNode.Addr, e.dest)] = e
}
}
}
f.WriteString("}\n")
return f.Name()
}