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package cli_api
import (
"context"
"fmt"
"net"
"os"
"strings"
"github.com/mudler/LocalAI/core/p2p"
"github.com/mudler/edgevpn/pkg/node"
"github.com/rs/zerolog/log"
)
func StartP2PStack(ctx context.Context, address, token, networkID string, federated bool) error {
var n *node.Node
// Here we are avoiding creating multiple nodes:
// - if the federated mode is enabled, we create a federated node and expose a service
// - exposing a service creates a node with specific options, and we don't want to create another node
// If the federated mode is enabled, we expose a service to the local instance running
// at r.Address
if federated {
_, port, err := net.SplitHostPort(address)
if err != nil {
return err
}
// Here a new node is created and started
// and a service is exposed by the node
node, err := p2p.ExposeService(ctx, "localhost", port, token, p2p.NetworkID(networkID, p2p.FederatedID))
if err != nil {
return err
}
if err := p2p.ServiceDiscoverer(ctx, node, token, p2p.NetworkID(networkID, p2p.FederatedID), nil, false); err != nil {
return err
}
n = node
}
// If the p2p mode is enabled, we start the service discovery
if token != "" {
// If a node wasn't created previously, create it
if n == nil {
node, err := p2p.NewNode(token)
if err != nil {
return err
}
err = node.Start(ctx)
if err != nil {
return fmt.Errorf("starting new node: %w", err)
}
n = node
}
// Attach a ServiceDiscoverer to the p2p node
log.Info().Msg("Starting P2P server discovery...")
if err := p2p.ServiceDiscoverer(ctx, n, token, p2p.NetworkID(networkID, p2p.WorkerID), func(serviceID string, node p2p.NodeData) {
var tunnelAddresses []string
for _, v := range p2p.GetAvailableNodes(p2p.NetworkID(networkID, p2p.WorkerID)) {
if v.IsOnline() {
tunnelAddresses = append(tunnelAddresses, v.TunnelAddress)
} else {
log.Info().Msgf("Node %s is offline", v.ID)
}
}
tunnelEnvVar := strings.Join(tunnelAddresses, ",")
os.Setenv("LLAMACPP_GRPC_SERVERS", tunnelEnvVar)
log.Debug().Msgf("setting LLAMACPP_GRPC_SERVERS to %s", tunnelEnvVar)
}, true); err != nil {
return err
}
}
return nil
}
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