func sendIndexes(conn protocol.Connection, repo string, fs *files.Set, ignores ignore.Patterns) {
nodeID := conn.ID()
name := conn.Name()
var err error
if debug {
l.Debugf("sendIndexes for %s-%s@/%q starting", nodeID, name, repo)
}
defer func() {
if debug {
l.Debugf("sendIndexes for %s-%s@/%q exiting: %v", nodeID, name, repo, err)
}
}()
minLocalVer, err := sendIndexTo(true, 0, conn, repo, fs, ignores)
for err == nil {
time.Sleep(5 * time.Second)
if fs.LocalVersion(protocol.LocalNodeID) <= minLocalVer {
continue
}
minLocalVer, err = sendIndexTo(false, minLocalVer, conn, repo, fs, ignores)
}
}
// AddConnection adds a new peer connection to the model. An initial index will
// be sent to the connected peer, thereafter index updates whenever the local
// repository changes.
func (m *Model) AddConnection(rawConn io.Closer, protoConn protocol.Connection) {
nodeID := protoConn.ID()
m.pmut.Lock()
if _, ok := m.protoConn[nodeID]; ok {
panic("add existing node")
}
m.protoConn[nodeID] = protoConn
if _, ok := m.rawConn[nodeID]; ok {
panic("add existing node")
}
m.rawConn[nodeID] = rawConn
cm := m.clusterConfig(nodeID)
protoConn.ClusterConfig(cm)
m.rmut.RLock()
for _, repo := range m.nodeRepos[nodeID] {
fs := m.repoFiles[repo]
go sendIndexes(protoConn, repo, fs, m.repoIgnores[repo])
}
if statRef, ok := m.nodeStatRefs[nodeID]; ok {
statRef.WasSeen()
} else {
l.Warnf("AddConnection for unconfigured node %v?", nodeID)
}
m.rmut.RUnlock()
m.pmut.Unlock()
}
func sendIndexTo(initial bool, minLocalVer uint64, conn protocol.Connection, repo string, fs *files.Set) (uint64, error) {
nodeID := conn.ID()
name := conn.Name()
batch := make([]protocol.FileInfo, 0, indexBatchSize)
currentBatchSize := 0
maxLocalVer := uint64(0)
var err error
fs.WithHave(protocol.LocalNodeID, func(fi protocol.FileIntf) bool {
f := fi.(protocol.FileInfo)
if f.LocalVersion <= minLocalVer {
return true
}
if f.LocalVersion > maxLocalVer {
maxLocalVer = f.LocalVersion
}
if len(batch) == indexBatchSize || currentBatchSize > indexTargetSize {
if initial {
if err = conn.Index(repo, batch); err != nil {
return false
}
if debug {
l.Debugf("sendIndexes for %s-%s/%q: %d files (<%d bytes) (initial index)", nodeID, name, repo, len(batch), currentBatchSize)
}
initial = false
} else {
if err = conn.IndexUpdate(repo, batch); err != nil {
return false
}
if debug {
l.Debugf("sendIndexes for %s-%s/%q: %d files (<%d bytes) (batched update)", nodeID, name, repo, len(batch), currentBatchSize)
}
}
batch = make([]protocol.FileInfo, 0, indexBatchSize)
currentBatchSize = 0
}
batch = append(batch, f)
currentBatchSize += indexPerFileSize + len(f.Blocks)*IndexPerBlockSize
return true
})
if initial && err == nil {
err = conn.Index(repo, batch)
if debug && err == nil {
l.Debugf("sendIndexes for %s-%s/%q: %d files (small initial index)", nodeID, name, repo, len(batch))
}
} else if len(batch) > 0 && err == nil {
err = conn.IndexUpdate(repo, batch)
if debug && err == nil {
l.Debugf("sendIndexes for %s-%s/%q: %d files (last batch)", nodeID, name, repo, len(batch))
}
}
return maxLocalVer, err
}
// AddConnection adds a new peer connection to the model. An initial index will
// be sent to the connected peer, thereafter index updates whenever the local
// repository changes.
func (m *Model) AddConnection(rawConn io.Closer, protoConn protocol.Connection) {
nodeID := protoConn.ID()
m.pmut.Lock()
if _, ok := m.protoConn[nodeID]; ok {
panic("add existing node")
}
m.protoConn[nodeID] = protoConn
if _, ok := m.rawConn[nodeID]; ok {
panic("add existing node")
}
m.rawConn[nodeID] = rawConn
cm := m.clusterConfig(nodeID)
protoConn.ClusterConfig(cm)
m.rmut.RLock()
for _, repo := range m.nodeRepos[nodeID] {
fs := m.repoFiles[repo]
go sendIndexes(protoConn, repo, fs)
}
m.rmut.RUnlock()
m.pmut.Unlock()
}