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removeExcessAddresses.go
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/
removeExcessAddresses.go
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package main
import (
"fmt"
"strconv"
"github.com/Symantec/Dominator/lib/errors"
"github.com/Symantec/Dominator/lib/log"
"github.com/Symantec/Dominator/lib/srpc"
proto "github.com/Symantec/Dominator/proto/hypervisor"
)
func removeExcessAddressesSubcommand(args []string,
logger log.DebugLogger) error {
err := removeExcessAddresses(args[0], logger)
if err != nil {
return fmt.Errorf("Error removing excess addresses: %s", err)
}
return nil
}
func removeExcessAddresses(maxAddr string, logger log.DebugLogger) error {
maxAddresses, err := strconv.ParseUint(maxAddr, 10, 16)
if err != nil {
return err
}
request := proto.ChangeAddressPoolRequest{
MaximumFreeAddresses: map[string]uint{"": uint(maxAddresses)}}
var reply proto.ChangeAddressPoolResponse
clientName := fmt.Sprintf("%s:%d", *hypervisorHostname, *hypervisorPortNum)
client, err := srpc.DialHTTP("tcp", clientName, 0)
if err != nil {
return err
}
defer client.Close()
err = client.RequestReply("Hypervisor.ChangeAddressPool",
request, &reply)
if err != nil {
return err
}
return errors.New(reply.Error)
}