422 lines
10 KiB
Go
422 lines
10 KiB
Go
package dht
|
|
|
|
import (
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/lbryio/lbry.go/dht/bits"
|
|
"github.com/lyoshenka/bencode"
|
|
)
|
|
|
|
func TestPing(t *testing.T) {
|
|
dhtNodeID := bits.Rand()
|
|
testNodeID := bits.Rand()
|
|
|
|
conn := newTestUDPConn("127.0.0.1:21217")
|
|
|
|
dht := New(&Config{Address: "127.0.0.1:21216", NodeID: dhtNodeID.Hex()})
|
|
|
|
err := dht.connect(conn)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer dht.Shutdown()
|
|
|
|
messageID := newMessageID()
|
|
|
|
data, err := bencode.EncodeBytes(map[string]interface{}{
|
|
headerTypeField: requestType,
|
|
headerMessageIDField: messageID,
|
|
headerNodeIDField: testNodeID.RawString(),
|
|
headerPayloadField: "ping",
|
|
headerArgsField: []string{},
|
|
})
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
conn.toRead <- testUDPPacket{addr: conn.addr, data: data}
|
|
timer := time.NewTimer(3 * time.Second)
|
|
|
|
select {
|
|
case <-timer.C:
|
|
t.Error("timeout")
|
|
case resp := <-conn.writes:
|
|
var response map[string]interface{}
|
|
err := bencode.DecodeBytes(resp.data, &response)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(response) != 4 {
|
|
t.Errorf("expected 4 response fields, got %d", len(response))
|
|
}
|
|
|
|
_, ok := response[headerTypeField]
|
|
if !ok {
|
|
t.Error("missing type field")
|
|
} else {
|
|
rType, ok := response[headerTypeField].(int64)
|
|
if !ok {
|
|
t.Error("type is not an integer")
|
|
} else if rType != responseType {
|
|
t.Error("unexpected response type")
|
|
}
|
|
}
|
|
|
|
_, ok = response[headerMessageIDField]
|
|
if !ok {
|
|
t.Error("missing message id field")
|
|
} else {
|
|
rMessageID, ok := response[headerMessageIDField].(string)
|
|
if !ok {
|
|
t.Error("message ID is not a string")
|
|
} else if rMessageID != string(messageID[:]) {
|
|
t.Error("unexpected message ID")
|
|
}
|
|
}
|
|
|
|
_, ok = response[headerNodeIDField]
|
|
if !ok {
|
|
t.Error("missing node id field")
|
|
} else {
|
|
rNodeID, ok := response[headerNodeIDField].(string)
|
|
if !ok {
|
|
t.Error("node ID is not a string")
|
|
} else if rNodeID != dhtNodeID.RawString() {
|
|
t.Error("unexpected node ID")
|
|
}
|
|
}
|
|
|
|
_, ok = response[headerPayloadField]
|
|
if !ok {
|
|
t.Error("missing payload field")
|
|
} else {
|
|
rNodeID, ok := response[headerPayloadField].(string)
|
|
if !ok {
|
|
t.Error("payload is not a string")
|
|
} else if rNodeID != pingSuccessResponse {
|
|
t.Error("did not pong")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStore(t *testing.T) {
|
|
dhtNodeID := bits.Rand()
|
|
testNodeID := bits.Rand()
|
|
|
|
conn := newTestUDPConn("127.0.0.1:21217")
|
|
|
|
dht := New(&Config{Address: "127.0.0.1:21216", NodeID: dhtNodeID.Hex()})
|
|
|
|
err := dht.connect(conn)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer dht.Shutdown()
|
|
|
|
messageID := newMessageID()
|
|
blobHashToStore := bits.Rand()
|
|
|
|
storeRequest := Request{
|
|
ID: messageID,
|
|
NodeID: testNodeID,
|
|
Method: storeMethod,
|
|
StoreArgs: &storeArgs{
|
|
BlobHash: blobHashToStore,
|
|
Value: storeArgsValue{
|
|
Token: dht.node.tokens.Get(testNodeID, conn.addr),
|
|
LbryID: testNodeID,
|
|
Port: 9999,
|
|
},
|
|
NodeID: testNodeID,
|
|
},
|
|
}
|
|
|
|
_ = "64 " + // start message
|
|
"313A30 693065" + // type: 0
|
|
"313A31 3230 3A 6EB490B5788B63F0F7E6D92352024D0CBDEC2D3A" + // message id
|
|
"313A32 3438 3A 7CE1B831DEC8689E44F80F547D2DEA171F6A625E1A4FF6C6165E645F953103DABEB068A622203F859C6C64658FD3AA3B" + // node id
|
|
"313A33 35 3A 73746F7265" + // method
|
|
"313A34 6C" + // start args list
|
|
"3438 3A 3214D6C2F77FCB5E8D5FC07EDAFBA614F031CE8B2EAB49F924F8143F6DFBADE048D918710072FB98AB1B52B58F4E1468" + // block hash
|
|
"64" + // start value dict
|
|
"363A6C6272796964 3438 3A 7CE1B831DEC8689E44F80F547D2DEA171F6A625E1A4FF6C6165E645F953103DABEB068A622203F859C6C64658FD3AA3B" + // lbry id
|
|
"343A706F7274 69 33333333 65" + // port
|
|
"353A746F6B656E 3438 3A 17C2D8E1E48EF21567FE4AD5C8ED944B798D3B65AB58D0C9122AD6587D1B5FED472EA2CB12284CEFA1C21EFF302322BD" + // token
|
|
"65" + // end value dict
|
|
"3438 3A 7CE1B831DEC8689E44F80F547D2DEA171F6A625E1A4FF6C6165E645F953103DABEB068A622203F859C6C64658FD3AA3B" + // node id
|
|
"693065" + // self store (integer)
|
|
"65" + // end args list
|
|
"65" // end message
|
|
|
|
data, err := bencode.EncodeBytes(storeRequest)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
conn.toRead <- testUDPPacket{addr: conn.addr, data: data}
|
|
timer := time.NewTimer(3 * time.Second)
|
|
|
|
var response map[string]interface{}
|
|
select {
|
|
case <-timer.C:
|
|
t.Fatal("timeout")
|
|
case resp := <-conn.writes:
|
|
err := bencode.DecodeBytes(resp.data, &response)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
verifyResponse(t, response, messageID, dhtNodeID.RawString())
|
|
|
|
_, ok := response[headerPayloadField]
|
|
if !ok {
|
|
t.Error("missing payload field")
|
|
} else {
|
|
rNodeID, ok := response[headerPayloadField].(string)
|
|
if !ok {
|
|
t.Error("payload is not a string")
|
|
} else if rNodeID != storeSuccessResponse {
|
|
t.Error("did not return OK")
|
|
}
|
|
}
|
|
|
|
if dht.node.store.CountStoredHashes() != 1 {
|
|
t.Error("dht store has wrong number of items")
|
|
}
|
|
|
|
items := dht.node.store.Get(blobHashToStore)
|
|
if len(items) != 1 {
|
|
t.Error("list created in store, but nothing in list")
|
|
}
|
|
if !items[0].ID.Equals(testNodeID) {
|
|
t.Error("wrong value stored")
|
|
}
|
|
}
|
|
|
|
func TestFindNode(t *testing.T) {
|
|
dhtNodeID := bits.Rand()
|
|
testNodeID := bits.Rand()
|
|
|
|
conn := newTestUDPConn("127.0.0.1:21217")
|
|
|
|
dht := New(&Config{Address: "127.0.0.1:21216", NodeID: dhtNodeID.Hex()})
|
|
|
|
err := dht.connect(conn)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer dht.Shutdown()
|
|
|
|
nodesToInsert := 3
|
|
var nodes []Contact
|
|
for i := 0; i < nodesToInsert; i++ {
|
|
n := Contact{ID: bits.Rand(), IP: net.ParseIP("127.0.0.1"), Port: 10000 + i}
|
|
nodes = append(nodes, n)
|
|
dht.node.rt.Update(n)
|
|
}
|
|
|
|
messageID := newMessageID()
|
|
blobHashToFind := bits.Rand()
|
|
|
|
request := Request{
|
|
ID: messageID,
|
|
NodeID: testNodeID,
|
|
Method: findNodeMethod,
|
|
Arg: &blobHashToFind,
|
|
}
|
|
|
|
data, err := bencode.EncodeBytes(request)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
conn.toRead <- testUDPPacket{addr: conn.addr, data: data}
|
|
timer := time.NewTimer(3 * time.Second)
|
|
|
|
var response map[string]interface{}
|
|
select {
|
|
case <-timer.C:
|
|
t.Fatal("timeout")
|
|
case resp := <-conn.writes:
|
|
err := bencode.DecodeBytes(resp.data, &response)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
verifyResponse(t, response, messageID, dhtNodeID.RawString())
|
|
|
|
_, ok := response[headerPayloadField]
|
|
if !ok {
|
|
t.Fatal("missing payload field")
|
|
}
|
|
|
|
contacts, ok := response[headerPayloadField].([]interface{})
|
|
if !ok {
|
|
t.Fatal("payload is not a list")
|
|
}
|
|
|
|
verifyContacts(t, contacts, nodes)
|
|
}
|
|
|
|
func TestFindValueExisting(t *testing.T) {
|
|
dhtNodeID := bits.Rand()
|
|
testNodeID := bits.Rand()
|
|
|
|
conn := newTestUDPConn("127.0.0.1:21217")
|
|
|
|
dht := New(&Config{Address: "127.0.0.1:21216", NodeID: dhtNodeID.Hex()})
|
|
|
|
err := dht.connect(conn)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer dht.Shutdown()
|
|
|
|
nodesToInsert := 3
|
|
for i := 0; i < nodesToInsert; i++ {
|
|
n := Contact{ID: bits.Rand(), IP: net.ParseIP("127.0.0.1"), Port: 10000 + i}
|
|
dht.node.rt.Update(n)
|
|
}
|
|
|
|
//data, _ := hex.DecodeString("64313a30693065313a3132303a7de8e57d34e316abbb5a8a8da50dcd1ad4c80e0f313a3234383a7ce1b831dec8689e44f80f547d2dea171f6a625e1a4ff6c6165e645f953103dabeb068a622203f859c6c64658fd3aa3b313a33393a66696e6456616c7565313a346c34383aa47624b8e7ee1e54df0c45e2eb858feb0b705bd2a78d8b739be31ba188f4bd6f56b371c51fecc5280d5fd26ba4168e966565")
|
|
|
|
messageID := newMessageID()
|
|
valueToFind := bits.Rand()
|
|
|
|
nodeToFind := Contact{ID: bits.Rand(), IP: net.ParseIP("1.2.3.4"), PeerPort: 1286}
|
|
dht.node.store.Upsert(valueToFind, nodeToFind)
|
|
dht.node.store.Upsert(valueToFind, nodeToFind)
|
|
dht.node.store.Upsert(valueToFind, nodeToFind)
|
|
|
|
request := Request{
|
|
ID: messageID,
|
|
NodeID: testNodeID,
|
|
Method: findValueMethod,
|
|
Arg: &valueToFind,
|
|
}
|
|
|
|
data, err := bencode.EncodeBytes(request)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
conn.toRead <- testUDPPacket{addr: conn.addr, data: data}
|
|
timer := time.NewTimer(3 * time.Second)
|
|
|
|
var response map[string]interface{}
|
|
select {
|
|
case <-timer.C:
|
|
t.Fatal("timeout")
|
|
case resp := <-conn.writes:
|
|
err := bencode.DecodeBytes(resp.data, &response)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
verifyResponse(t, response, messageID, dhtNodeID.RawString())
|
|
|
|
_, ok := response[headerPayloadField]
|
|
if !ok {
|
|
t.Fatal("missing payload field")
|
|
}
|
|
|
|
payload, ok := response[headerPayloadField].(map[string]interface{})
|
|
if !ok {
|
|
t.Fatal("payload is not a dictionary")
|
|
}
|
|
|
|
compactContacts, ok := payload[valueToFind.RawString()]
|
|
if !ok {
|
|
t.Fatal("payload is missing key for search value")
|
|
}
|
|
|
|
contacts, ok := compactContacts.([]interface{})
|
|
if !ok {
|
|
t.Fatal("search results are not a list")
|
|
}
|
|
|
|
verifyCompactContacts(t, contacts, []Contact{nodeToFind})
|
|
}
|
|
|
|
func TestFindValueFallbackToFindNode(t *testing.T) {
|
|
dhtNodeID := bits.Rand()
|
|
testNodeID := bits.Rand()
|
|
|
|
conn := newTestUDPConn("127.0.0.1:21217")
|
|
|
|
dht := New(&Config{Address: "127.0.0.1:21216", NodeID: dhtNodeID.Hex()})
|
|
|
|
err := dht.connect(conn)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer dht.Shutdown()
|
|
|
|
nodesToInsert := 3
|
|
var nodes []Contact
|
|
for i := 0; i < nodesToInsert; i++ {
|
|
n := Contact{ID: bits.Rand(), IP: net.ParseIP("127.0.0.1"), Port: 10000 + i}
|
|
nodes = append(nodes, n)
|
|
dht.node.rt.Update(n)
|
|
}
|
|
|
|
messageID := newMessageID()
|
|
valueToFind := bits.Rand()
|
|
|
|
request := Request{
|
|
ID: messageID,
|
|
NodeID: testNodeID,
|
|
Method: findValueMethod,
|
|
Arg: &valueToFind,
|
|
}
|
|
|
|
data, err := bencode.EncodeBytes(request)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
conn.toRead <- testUDPPacket{addr: conn.addr, data: data}
|
|
timer := time.NewTimer(3 * time.Second)
|
|
|
|
var response map[string]interface{}
|
|
select {
|
|
case <-timer.C:
|
|
t.Fatal("timeout")
|
|
case resp := <-conn.writes:
|
|
err := bencode.DecodeBytes(resp.data, &response)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
verifyResponse(t, response, messageID, dhtNodeID.RawString())
|
|
|
|
_, ok := response[headerPayloadField]
|
|
if !ok {
|
|
t.Fatal("missing payload field")
|
|
}
|
|
|
|
payload, ok := response[headerPayloadField].(map[string]interface{})
|
|
if !ok {
|
|
t.Fatal("payload is not a dictionary")
|
|
}
|
|
|
|
contactsList, ok := payload[contactsField]
|
|
if !ok {
|
|
t.Fatal("payload is missing 'contacts' key")
|
|
}
|
|
|
|
contacts, ok := contactsList.([]interface{})
|
|
if !ok {
|
|
t.Fatal("'contacts' is not a list")
|
|
}
|
|
|
|
verifyContacts(t, contacts, nodes)
|
|
}
|