func (round *RoundStats) SignatureBroadcast(in *sign.SigningMessage, out []*sign.SigningMessage) error {
err := round.RoundStamperListener.SignatureBroadcast(in, out)
if err == nil && round.IsRoot {
dbg.Lvlf1("This is round %d with %d messages - %d since start.",
round.RoundNbr, in.SBm.Messages, round.Node.Messages)
}
return err
}
func ExampleLLvl() {
dbg.Lvl1("Lvl output")
dbg.LLvl1("LLvl output")
dbg.Lvlf1("Lvlf output")
dbg.LLvlf1("LLvlf output")
// Output:
// 1: ( dbg_test.ExampleLLvl: 0) - Lvl output
// -1: ( dbg_test.ExampleLLvl: 0) - LLvl output
// 1: ( dbg_test.ExampleLLvl: 0) - Lvlf output
// -1: ( dbg_test.ExampleLLvl: 0) - LLvlf output
}
func wait_for_blocks() {
server := "localhost:2011"
suite = app.GetSuite("25519")
dbg.Lvl2("Connecting to", server)
conn := coconet.NewTCPConn(server)
err := conn.Connect()
if err != nil {
dbg.Fatal("Error when getting the connection to the host:", err)
}
dbg.Lvl1("Connected to ", server)
for i := 0; i < 1000; i++ {
time.Sleep(1 * time.Second)
msg := &BitCoSi.BitCoSiMessage{
Type: BitCoSi.BlockRequestType,
ReqNo: 0,
}
err = conn.PutData(msg)
if err != nil {
dbg.Fatal("Couldn't send hash-message to server: ", err)
}
dbg.Lvl1("Sent signature request")
// Wait for the signed message
tsm := new(BitCoSi.BitCoSiMessage)
tsm.Brep = &BitCoSi.BlockReply{}
tsm.Brep.SuiteStr = suite.String()
err = conn.GetData(tsm)
if err != nil {
dbg.Fatal("Error while receiving signature:", err)
}
//dbg.Lvlf1("Got signature response %+v", tsm.Brep)
T := new(BitCoSi.TrBlock)
T.Block = tsm.Brep.Block
T.Print()
dbg.Lvlf1("Response %v ", tsm.Brep.Response)
}
// Asking to close the connection
err = conn.PutData(&BitCoSi.BitCoSiMessage{
ReqNo: 1,
Type: BitCoSi.BitCoSiClose,
})
conn.Close()
}
// Get gets data from the connection.
// Returns io.EOF on an irrecoverable error.
// Returns given error if it is Temporary.
func (tc *TCPConn) GetData(bum BinaryUnmarshaler) error {
if tc.Closed() {
dbg.Lvl3("tcpconn: get: connection closed")
return ErrClosed
}
tc.encLock.Lock()
for tc.dec == nil {
tc.encLock.Unlock()
return ErrNotEstablished
}
dec := tc.dec
tc.encLock.Unlock()
//if Latency != 0 {
// time.Sleep(time.Duration(rand.Intn(Latency)) * time.Millisecond)
//}
err := dec.Decode(bum)
if err != nil {
if IsTemporary(err) {
dbg.Lvl2("Temporary error")
return err
}
// if it is an irrecoverable error
// close the channel and return that it has been closed
if err == io.EOF || err.Error() == "read tcp4" {
dbg.Lvl3("Closing connection by EOF:", err)
} else {
if !strings.Contains(err.Error(), "use of closed") {
dbg.Lvl1("Couldn't decode packet at", tc.name, "error:", err)
dbg.Lvlf1("Packet was: %+v", bum)
}
}
tc.Close()
return ErrClosed
}
return err
}
// Creates the appropriate configuration-files and copies everything to the
// deterlab-installation.
func (d *Deterlab) Deploy(rc RunConfig) error {
dbg.Lvlf1("Next run is %+v", rc)
os.RemoveAll(d.DeployDir)
os.Mkdir(d.DeployDir, 0777)
dbg.Lvl3("Writing config-files")
// Initialize the deter-struct with our current structure (for debug-levels
// and such), then read in the app-configuration to overwrite eventual
// 'Machines', 'ppm', '' or other fields
deter := *d
appConfig := d.DeployDir + "/app.toml"
deterConfig := d.DeployDir + "/deter.toml"
ioutil.WriteFile(appConfig, rc.Toml(), 0666)
deter.ReadConfig(appConfig)
deter.createHosts()
d.MasterLogger = deter.MasterLogger
app.WriteTomlConfig(deter, deterConfig)
// Prepare special configuration preparation for each application - the
// reading in twice of the configuration file, once for the deterConfig,
// then for the appConfig, sets the deterConfig as defaults and overwrites
// everything else with the actual appConfig (which comes from the
// runconfig-file)
switch d.App {
case "sign", "stamp":
conf := app.ConfigColl{}
conf.StampsPerRound = -1
conf.StampRatio = 1.0
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
// Calculates a tree that is used for the timestampers
var depth int
conf.Tree, conf.Hosts, depth, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Bf)
dbg.Lvl2("Depth:", depth)
dbg.Lvl2("Total peers:", len(conf.Hosts))
total := deter.Machines * conf.Ppm
if len(conf.Hosts) != total {
dbg.Fatal("Only calculated", len(conf.Hosts), "out of", total, "hosts - try changing number of",
"machines or hosts per node")
}
deter.Hostnames = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "skeleton":
conf := app.ConfigSkeleton{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
// Calculates a tree that is used for the timestampers
var depth int
conf.Tree, conf.Hosts, depth, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Bf)
dbg.Lvl2("Depth:", depth)
dbg.Lvl2("Total peers:", len(conf.Hosts))
total := deter.Machines * conf.Ppm
if len(conf.Hosts) != total {
dbg.Fatal("Only calculated", len(conf.Hosts), "out of", total, "hosts - try changing number of",
"machines or hosts per node")
}
deter.Hostnames = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "shamir":
conf := app.ConfigShamir{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
_, conf.Hosts, _, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Ppm)
deter.Hostnames = conf.Hosts
// re-write the new configuration-file
app.WriteTomlConfig(conf, appConfig)
case "naive":
conf := app.NaiveConfig{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
_, conf.Hosts, _, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, 2)
deter.Hostnames = conf.Hosts
dbg.Lvl3("Deterlab: naive applications:", conf.Hosts)
dbg.Lvl3("Deterlab: naive app config:", conf)
dbg.Lvl3("Deterlab: naive app virt:", deter.Virt[:])
deter.Hostnames = conf.Hosts
app.WriteTomlConfig(conf, appConfig)
case "ntree":
conf := app.NTreeConfig{}
app.ReadTomlConfig(&conf, deterConfig)
app.ReadTomlConfig(&conf, appConfig)
var depth int
conf.Tree, conf.Hosts, depth, _ = graphs.TreeFromList(deter.Virt[:], conf.Ppm, conf.Bf)
dbg.Lvl2("Depth:", depth)
deter.Hostnames = conf.Hosts
app.WriteTomlConfig(conf, appConfig)
case "randhound":
}
app.WriteTomlConfig(deter, "deter.toml", d.DeployDir)
// copy the webfile-directory of the logserver to the remote directory
err := exec.Command("cp", "-a", d.DeterDir+"/cothority.conf", d.DeployDir).Run()
if err != nil {
dbg.Fatal("error copying webfiles:", err)
}
build, err := ioutil.ReadDir(d.BuildDir)
for _, file := range build {
err = exec.Command("cp", d.BuildDir+"/"+file.Name(), d.DeployDir).Run()
if err != nil {
dbg.Fatal("error copying build-file:", err)
}
}
dbg.Lvl1("Copying over to", d.Login, "@", d.Host)
// Copy everything over to Deterlabs
err = cliutils.Rsync(d.Login, d.Host, d.DeployDir+"/", "remote/")
if err != nil {
dbg.Fatal(err)
}
dbg.Lvl2("Done copying")
return nil
}
func main() {
conf := &app.ConfigColl{}
app.ReadConfig(conf)
// we must know who we are
if app.RunFlags.Hostname == "" {
dbg.Fatal("Hostname empty: Abort")
}
// Do some common setup
if app.RunFlags.Mode == "client" {
app.RunFlags.Hostname = app.RunFlags.Name
}
hostname := app.RunFlags.Hostname
if hostname == conf.Hosts[0] {
dbg.Lvlf3("Tree is %+v", conf.Tree)
}
dbg.Lvl3(hostname, "Starting to run")
app.RunFlags.StartedUp(len(conf.Hosts))
peer := conode.NewPeer(hostname, conf.ConfigConode)
Releases = make(map[string]CommitEntry)
//ReleaseInformation()
ReadRelease(PolicyFile, SignaturesFile, CommitIdFile)
if app.RunFlags.AmRoot {
err := peer.WaitRoundSetup(len(conf.Hosts), 5, 2)
if err != nil {
dbg.Fatal(err)
}
dbg.Lvl1("Starting the rounds")
}
if app.RunFlags.AmRoot {
for round := 0; round < conf.Rounds; round++ {
dbg.Lvl1("Doing round", round, "of", conf.Rounds)
wallTime := monitor.NewMeasure("round")
hashToSign, _ := CommitScanner(CommitIdFile) // retrieve commitid/hash that the root is willing to get signed
entry := Releases[hashToSign]
if entry.policy != "" && entry.signatures != "" {
rootpgpTime := monitor.NewMeasure("rootpgp")
decision, err := ApprovalCheck(entry.policy, entry.signatures, hashToSign)
rootpgpTime.Measure()
if decision && err == nil {
round := NewRoundSwsign(peer.Node)
round.Hash = []byte(hashToSign) // passing hash of the file that we want to produce a signature for
peer.StartAnnouncement(round)
wallTime.Measure()
Signature := <-round.Signature
dbg.Lvlf1("Received signature %+v", Signature)
} else {
dbg.Fatal("Developers related to the root haven't approved the release so the root didn't start signing process")
}
} else {
dbg.Error("There is no input with such commitid", hashToSign)
}
}
peer.SendCloseAll()
} else {
peer.LoopRounds(RoundSwsignType, conf.Rounds)
}
dbg.Lvlf3("Done - flags are %+v", app.RunFlags)
monitor.End()
}
// listen for clients connections
func (s *StampListener) ListenRequests() error {
dbg.Lvl3("Setup StampListener on", s.NameL)
global, _ := cliutils.GlobalBind(s.NameL)
var err error
s.Port, err = net.Listen("tcp4", global)
if err != nil {
panic(err)
}
go func() {
for {
dbg.Lvlf2("Listening to sign-requests: %p", s)
conn, err := s.Port.Accept()
if err != nil {
// handle error
dbg.Lvl3("failed to accept connection")
select {
case w := <-s.waitClose:
dbg.Lvl3("Closing stamplistener:", w)
return
default:
continue
}
}
dbg.Lvl3("Waiting for connection")
c := coconet.NewTCPConnFromNet(conn)
if _, ok := s.Clients[c.Name()]; !ok {
s.Clients[c.Name()] = c
go func(co coconet.Conn) {
for {
tsm := TimeStampMessage{}
err := co.GetData(&tsm)
dbg.Lvlf2("Got data to sign %+v - %+v", tsm, tsm.Sreq)
if err != nil {
dbg.Lvlf1("%p Failed to get from child: %s", s.NameL, err)
co.Close()
return
}
switch tsm.Type {
default:
dbg.Lvlf1("Message of unknown type: %v\n", tsm.Type)
case StampRequestType:
s.Mux.Lock()
s.Queue[READING] = append(s.Queue[READING],
MustReplyMessage{Tsm: tsm, To: co.Name()})
s.Mux.Unlock()
case StampClose:
dbg.Lvl2("Closing connection")
co.Close()
return
case StampExit:
dbg.Lvl2("Exiting server upon request")
os.Exit(-1)
}
}
}(c)
}
}
}()
return nil
}
