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mpcs
dfss
Commits
e8867f36
Commit
e8867f36
authored
Apr 15, 2016
by
Richer Maximilien
Committed by
Loïck Bonniot
Apr 15, 2016
Browse files
[c] Update channels with capacity and timeout
parent
5bb03e5d
Pipeline
#645
failed with stage
Changes
5
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
.gitlab-ci.yml
View file @
e8867f36
...
...
@@ -61,8 +61,8 @@ Integration tests:
# Build binary
-
"
cd
$GOPATH/src/dfss/dfssd
&&
go
build
-ldflags
\"
-r
.
\"
-o
dfssd"
# Install binary
-
"
mv
$GOPATH/src/dfss/dfssd/dfssd
/bin/"
-
"
mv
$GOPATH/src/dfss/dfssd/libqtdrv.ui.so.1
/lib/"
-
"
cp
$GOPATH/src/dfss/dfssd/dfssd
$GOPATH
/bin/"
-
"
cp
$GOPATH/src/dfss/dfssd/libqtdrv.ui.so.1
/lib/"
# Start integration tests
-
"
go
test
-v
dfss/tests"
...
...
dfssc/sign/protocol.go
View file @
e8867f36
...
...
@@ -23,8 +23,8 @@ func (m *SignatureManager) Sign() error {
}
m
.
makeSignersHashToIDMap
()
m
.
cServerIface
.
incomingPromises
=
make
(
chan
interface
{})
m
.
cServerIface
.
incomingSignatures
=
make
(
chan
interface
{})
m
.
cServerIface
.
incomingPromises
=
make
(
chan
interface
{}
,
chanBufferSize
)
m
.
cServerIface
.
incomingSignatures
=
make
(
chan
interface
{}
,
chanBufferSize
)
// Cooldown delay, let other clients wake-up their channels
time
.
Sleep
(
time
.
Second
)
...
...
@@ -88,25 +88,30 @@ func (m *SignatureManager) makeSignersHashToIDMap() {
}
// promiseRound describes a promise round: reception and sending
// TODO better error management - this function should return `error` !
func
(
m
*
SignatureManager
)
promiseRound
(
pendingSet
,
sendSet
[]
uint32
,
myID
uint32
)
{
// Reception of the due promises
// TODO this ctx needs a timeout !
for
len
(
pendingSet
)
>
0
{
promise
:=
(
<-
m
.
cServerIface
.
incomingPromises
)
.
(
*
cAPI
.
Promise
)
senderID
,
exist
:=
m
.
hashToID
[
fmt
.
Sprintf
(
"%x"
,
promise
.
Context
.
SenderKeyHash
)]
if
exist
{
var
err
error
pendingSet
,
err
=
common
.
Remove
(
pendingSet
,
senderID
)
if
err
!=
nil
{
continue
select
{
case
promiseIface
:=
<-
m
.
cServerIface
.
incomingPromises
:
promise
:=
(
promiseIface
)
.
(
*
cAPI
.
Promise
)
senderID
,
exist
:=
m
.
hashToID
[
fmt
.
Sprintf
(
"%x"
,
promise
.
Context
.
SenderKeyHash
)]
if
exist
{
var
err
error
pendingSet
,
err
=
common
.
Remove
(
pendingSet
,
senderID
)
if
err
!=
nil
{
continue
}
m
.
archives
.
receivedPromises
=
append
(
m
.
archives
.
receivedPromises
,
promise
)
}
m
.
archives
.
receivedPromises
=
append
(
m
.
archives
.
receivedPromises
,
promise
)
case
<-
time
.
After
(
time
.
Minute
)
:
// TODO contact TTP
return
}
}
c
:=
make
(
chan
*
cAPI
.
Promise
)
c
:=
make
(
chan
*
cAPI
.
Promise
,
chanBufferSize
)
// Sending of due promises
for
_
,
id
:=
range
sendSet
{
go
func
(
id
uint32
,
m
*
SignatureManager
)
{
...
...
dfssc/sign/signatures.go
View file @
e8867f36
package
sign
import
(
"dfss/dfssc/common"
"fmt"
"time"
cAPI
"dfss/dfssc/api"
"dfss/dfssc/common"
)
// ExchangeAllSignatures creates and sends signatures to all the signers of the contract
func
(
m
*
SignatureManager
)
ExchangeAllSignatures
()
error
{
allReceived
:=
make
(
chan
error
)
allReceived
:=
make
(
chan
error
,
chanBufferSize
)
go
m
.
ReceiveAllSignatures
(
allReceived
)
myID
,
err
:=
m
.
FindID
()
...
...
@@ -19,7 +20,7 @@ func (m *SignatureManager) ExchangeAllSignatures() error {
// compute a set of all signers except me
sendSet
:=
common
.
GetAllButOne
(
m
.
sequence
,
myID
)
errorChan
:=
make
(
chan
error
)
errorChan
:=
make
(
chan
error
,
chanBufferSize
)
for
_
,
id
:=
range
sendSet
{
go
func
(
id
uint32
)
{
signature
,
err2
:=
m
.
CreateSignature
(
myID
,
id
)
...
...
@@ -71,13 +72,20 @@ func (m *SignatureManager) ReceiveAllSignatures(out chan error) {
// compute a set of all signers except me
pendingSet
:=
common
.
GetAllButOne
(
m
.
sequence
,
myID
)
// TODO this ctx needs a timeout !
for
len
(
pendingSet
)
>
0
{
signature
:=
(
<-
m
.
cServerIface
.
incomingSignatures
)
.
(
*
cAPI
.
Signature
)
senderID
,
exist
:=
m
.
hashToID
[
fmt
.
Sprintf
(
"%x"
,
signature
.
Context
.
SenderKeyHash
)]
if
exist
{
pendingSet
,
_
=
common
.
Remove
(
pendingSet
,
senderID
)
m
.
archives
.
receivedSignatures
=
append
(
m
.
archives
.
receivedSignatures
,
signature
)
select
{
// Waiting for signatures from grpc handler
case
signatureIface
:=
<-
m
.
cServerIface
.
incomingSignatures
:
signature
:=
(
signatureIface
)
.
(
*
cAPI
.
Signature
)
senderID
,
exist
:=
m
.
hashToID
[
fmt
.
Sprintf
(
"%x"
,
signature
.
Context
.
SenderKeyHash
)]
if
exist
{
pendingSet
,
_
=
common
.
Remove
(
pendingSet
,
senderID
)
m
.
archives
.
receivedSignatures
=
append
(
m
.
archives
.
receivedSignatures
,
signature
)
}
case
<-
time
.
After
(
time
.
Minute
)
:
out
<-
fmt
.
Errorf
(
"Signature reception timeout!"
)
return
}
}
...
...
dfssc/sign/starter.go
View file @
e8867f36
...
...
@@ -19,6 +19,9 @@ import (
"google.golang.org/grpc"
)
// Limit the buffer size of the channels
const
chanBufferSize
=
100
// SignatureManager handles the signature of a contract.
type
SignatureManager
struct
{
auth
*
security
.
AuthContainer
...
...
tests/starters_test.go
View file @
e8867f36
...
...
@@ -64,7 +64,7 @@ func startPlatform(tmpDir string) (platform, ttp, demo *exec.Cmd, stop func(), c
err
=
ttp
.
Start
()
// Start demonstrator
demo
=
exec
.
Command
(
demoPath
,
"-p"
,
"
3000
"
,
"nogui"
)
demo
=
exec
.
Command
(
demoPath
,
"-p"
,
"
9099
"
,
"nogui"
)
demo
.
Stdout
=
os
.
Stdout
demo
.
Stderr
=
os
.
Stderr
err
=
demo
.
Start
()
...
...
@@ -105,7 +105,7 @@ func createClient(tmpDir string, ca []byte, port int) (*exec.Cmd, error) {
// Prepare the client command.
// The last argument is up to you!
cmd
:=
exec
.
Command
(
path
,
"-ca"
,
caPath
,
"-cert"
,
certPath
,
"-host"
,
"127.0.0.1:"
+
testPort
,
"-key"
,
keyPath
,
"-port"
,
strconv
.
Itoa
(
port
),
"-v"
,
"-d"
)
cmd
:=
exec
.
Command
(
path
,
"-ca"
,
caPath
,
"-cert"
,
certPath
,
"-host"
,
"127.0.0.1:"
+
testPort
,
"-key"
,
keyPath
,
"-port"
,
strconv
.
Itoa
(
port
),
"-v"
,
"-d"
,
"localhost:9099"
)
return
cmd
,
nil
}
...
...
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