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|
package client
import (
"context"
"log"
"time"
"codeberg.org/snonux/gorum/internal/config"
)
const packageStr = "client"
func Start(ctx context.Context, conf config.Config, liveNodesCh <-chan []string) {
log.Println(packageStr, "starting")
fanOut := make([]chan []string, len(conf.Nodes))
for i, node := range conf.Nodes {
fanOut[i] = startConnection(ctx, node)
}
go func() {
defer func() {
for _, ch := range fanOut {
close(ch)
}
}()
for {
select {
case liveNodes := <-liveNodesCh:
log.Printf("Notifying live nodes %v to all partner nodes", liveNodes)
for _, ch := range fanOut {
// First, clear previous element of the channel, if any
select {
case <-ch:
default:
}
// Now, update channel with the new live nodes.
ch <- liveNodes
}
case <-ctx.Done():
return
}
}
}()
}
func startConnection(ctx context.Context, node string) chan []string {
ch := make(chan []string, 1)
go func() {
for {
log.Println(packageStr, "starting connection", node)
if err := tcpClientRun(ctx, node, ch); err != nil {
log.Println(packageStr, "not connected to node", node, "anymore:", err)
}
select {
case <-time.After(time.Second * 10):
case <-ctx.Done():
return
}
}
}()
return ch
}
|
