1a6bdd4099
* [pubsub] - remove pubsub package * [chain] - Add height to chain * [peer] - remove unnecesary println * [server] - Implement server package * Add main.go to run node
113 lines
2.2 KiB
Go
113 lines
2.2 KiB
Go
package server
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import (
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"fmt"
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"github.com/CityOfZion/neo-go/pkg/peermgr"
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"github.com/CityOfZion/neo-go/pkg/chain"
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"github.com/CityOfZion/neo-go/pkg/connmgr"
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"github.com/CityOfZion/neo-go/pkg/peer"
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"github.com/CityOfZion/neo-go/pkg/syncmgr"
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"github.com/CityOfZion/neo-go/pkg/database"
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"github.com/CityOfZion/neo-go/pkg/wire/protocol"
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)
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// Server orchestrates all of the modules
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type Server struct {
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net protocol.Magic
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stopCh chan error
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// Modules
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db database.Database
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smg *syncmgr.Syncmgr
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cmg *connmgr.Connmgr
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pmg *peermgr.PeerMgr
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chain *chain.Chain
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peerCfg *peer.LocalConfig
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}
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//New creates a new server object for a particular network and sets up each module
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func New(net protocol.Magic, port uint16) (*Server, error) {
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s := &Server{
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net: net,
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stopCh: make(chan error, 0),
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}
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// Setup database
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db, err := setupDatabase(net)
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if err != nil {
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return nil, err
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}
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s.db = db
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// setup peermgr
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peermgr := setupPeerManager()
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s.pmg = peermgr
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// Setup chain
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chain, err := setupChain(db, net)
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if err != nil {
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return nil, err
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}
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s.chain = chain
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// Setup sync manager
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syncmgr := setupSyncManager(s)
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s.smg = syncmgr
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// Setup connection manager
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connmgr := setupConnManager(s, port)
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s.cmg = connmgr
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// Setup peer config
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peerCfg := setupPeerConfig(s, port, net)
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s.peerCfg = peerCfg
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return s, nil
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}
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// Run starts the daemon by connecting to previously nodes or connectng to seed nodes.
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// This should be called once all modules have been setup
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func (s *Server) Run() error {
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fmt.Println("Server is starting up")
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// start the connmgr
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err := s.cmg.Run()
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if err != nil {
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return err
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}
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// Attempt to connect to a peer
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err = s.cmg.NewRequest()
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if err != nil {
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return err
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}
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// Request header to start synchronisation
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bestHeader, err := s.chain.Db.GetLastHeader()
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if err != nil {
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return err
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}
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err = s.pmg.RequestHeaders(bestHeader.Hash.Reverse())
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if err != nil {
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return err
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}
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fmt.Println("Server Successfully started")
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return s.wait()
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}
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func (s *Server) wait() error {
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err := <-s.stopCh
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return err
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}
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// Stop stops the server
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func (s *Server) Stop(err error) error {
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fmt.Println("Server is shutting down")
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s.stopCh <- err
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return nil
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}
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