// Locks all remote.
func (this *Manager) PartitionLockRemote(partition int) error {
clients, err := this.Clients(partition)
if err != nil {
return err
}
for _, c := range clients {
req := cheshire.NewRequest("/chs/lock", "POST")
req.Params().Put("partitions", partition)
res, err := c.ApiCallSync(req, time.Second*10)
if err != nil {
//retry once
res, err = c.ApiCallSync(req, time.Second*10)
if err != nil {
log.Printf("Error locking remote: %s", err)
} else if res.StatusCode() != 200 {
log.Printf("Error lock %s", res)
}
} else if res.StatusCode() != 200 {
log.Printf("Error lock %s", res)
}
}
//TODO: fail if all locks fail
return nil
}
// Does a checkin with the requested client. returns the
// router table revision of the connection.
func (this *Manager) Checkin(client cheshire.Client) (int64, error) {
response, err := client.ApiCallSync(cheshire.NewRequest("/chs/checkin", "GET"), 10*time.Second)
if err != nil {
return int64(0), err
}
revision := response.MustInt64("router_table_revision", int64(0))
return revision, nil
}
//Request a new router table for the given client
//Does not call SetRouterTable
func (this *Manager) RequestRouterTable(client cheshire.Client) (*RouterTable, error) {
response, err := client.ApiCallSync(cheshire.NewRequest("/chs/rt/get", "GET"), 10*time.Second)
if err != nil {
return nil, err
}
if response.StatusCode() != 200 {
return nil, fmt.Errorf("Error from server %d %s", response.StatusCode(), response.StatusMessage())
}
mp, ok := response.GetDynMap("router_table")
if !ok {
return nil, fmt.Errorf("No router_table in response : %s", response)
}
table, err := ToRouterTable(mp)
if err != nil {
return nil, err
}
return table, nil
}
