LocalAI/core/p2p/federated_server.go
Ettore Di Giacinto 2669f4738a
fix(p2p): re-use p2p host when running federated mode (#3341)
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
2024-08-20 20:14:17 +02:00

103 lines
2.3 KiB
Go

//go:build p2p
// +build p2p
package p2p
import (
"context"
"errors"
"fmt"
"net"
"github.com/mudler/edgevpn/pkg/node"
"github.com/rs/zerolog/log"
)
func (f *FederatedServer) Start(ctx context.Context) error {
n, err := NewNode(f.p2ptoken)
if err != nil {
return fmt.Errorf("creating a new node: %w", err)
}
err = n.Start(ctx)
if err != nil {
return fmt.Errorf("creating a new node: %w", err)
}
if err := ServiceDiscoverer(ctx, n, f.p2ptoken, f.service, func(servicesID string, tunnel NodeData) {
log.Debug().Msgf("Discovered node: %s", tunnel.ID)
}, false); err != nil {
return err
}
return f.proxy(ctx, n)
}
func (fs *FederatedServer) proxy(ctx context.Context, node *node.Node) error {
log.Info().Msgf("Allocating service '%s' on: %s", fs.service, fs.listenAddr)
// Open local port for listening
l, err := net.Listen("tcp", fs.listenAddr)
if err != nil {
log.Error().Err(err).Msg("Error listening")
return err
}
// ll.Info("Binding local port on", srcaddr)
go func() {
<-ctx.Done()
l.Close()
}()
nodeAnnounce(ctx, node)
defer l.Close()
for {
select {
case <-ctx.Done():
return errors.New("context canceled")
default:
log.Debug().Msgf("New connection from %s", l.Addr().String())
// Listen for an incoming connection.
conn, err := l.Accept()
if err != nil {
fmt.Println("Error accepting: ", err.Error())
continue
}
// Handle connections in a new goroutine, forwarding to the p2p service
go func() {
workerID := ""
if fs.workerTarget != "" {
workerID = fs.workerTarget
} else if fs.loadBalanced {
log.Debug().Msgf("Load balancing request")
workerID = fs.SelectLeastUsedServer()
if workerID == "" {
log.Debug().Msgf("Least used server not found, selecting random")
workerID = fs.RandomServer()
}
} else {
workerID = fs.RandomServer()
}
if workerID == "" {
log.Error().Msg("No available nodes yet")
return
}
log.Debug().Msgf("Selected node %s", workerID)
nodeData, exists := GetNode(fs.service, workerID)
if !exists {
log.Error().Msgf("Node %s not found", workerID)
return
}
proxyP2PConnection(ctx, node, nodeData.ServiceID, conn)
if fs.loadBalanced {
fs.RecordRequest(workerID)
}
}()
}
}
}