Exemple #1
0
func (s *S) TestTopologySyncWithSlaveSeed(c *C) {
	// That's supposed to be a slave. Must run discovery
	// and find out master to insert successfully.
	session, err := mgo.Dial("localhost:40012")
	c.Assert(err, IsNil)
	defer session.Close()

	coll := session.DB("mydb").C("mycoll")
	coll.Insert(M{"a": 1, "b": 2})

	result := struct{ Ok bool }{}
	err = session.Run("getLastError", &result)
	c.Assert(err, IsNil)
	c.Assert(result.Ok, Equals, true)

	// One connection to each during discovery. Master
	// socket recycled for insert.
	stats := mgo.GetStats()
	c.Assert(stats.MasterConns, Equals, 1)
	c.Assert(stats.SlaveConns, Equals, 2)

	// Only one socket reference alive, in the master socket owned
	// by the above session.
	c.Assert(stats.SocketsInUse, Equals, 1)

	// Refresh it, and it must be gone.
	session.Refresh()
	stats = mgo.GetStats()
	c.Assert(stats.SocketsInUse, Equals, 0)
}
Exemple #2
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func (s *S) TearDownTest(c *C) {
	if s.stopped {
		s.StartAll()
	}
	for _, host := range s.frozen {
		if host != "" {
			s.Thaw(host)
		}
	}
	var stats mgo.Stats
	for i := 0; ; i++ {
		stats = mgo.GetStats()
		if stats.SocketsInUse == 0 && stats.SocketsAlive == 0 {
			break
		}
		if i == 20 {
			c.Fatal("Test left sockets in a dirty state")
		}
		c.Logf("Waiting for sockets to die: %d in use, %d alive", stats.SocketsInUse, stats.SocketsAlive)
		time.Sleep(500 * time.Millisecond)
	}
	for i := 0; ; i++ {
		stats = mgo.GetStats()
		if stats.Clusters == 0 {
			break
		}
		if i == 60 {
			c.Fatal("Test left clusters alive")
		}
		c.Logf("Waiting for clusters to die: %d alive", stats.Clusters)
		time.Sleep(1 * time.Second)
	}
}
Exemple #3
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func (s *S) TestPreserveSocketCountOnSync(c *C) {
	if *fast {
		c.Skip("-fast")
	}

	session, err := mgo.Dial("localhost:40011")
	c.Assert(err, IsNil)
	defer session.Close()

	stats := mgo.GetStats()
	for stats.MasterConns+stats.SlaveConns != 3 {
		stats = mgo.GetStats()
		c.Log("Waiting for all connections to be established...")
		time.Sleep(5e8)
	}

	c.Assert(stats.SocketsAlive, Equals, 3)

	// Kill the master (with rs1, 'a' is always the master).
	s.Stop("localhost:40011")

	// Wait for the logic to run for a bit and bring it back.
	startedAll := make(chan bool)
	go func() {
		time.Sleep(5e9)
		s.StartAll()
		startedAll <- true
	}()

	// Do not allow the test to return before the goroutine above is done.
	defer func() {
		<-startedAll
	}()

	// Do an action to kick the resync logic in, and also to
	// wait until the cluster recognizes the server is back.
	result := struct{ Ok bool }{}
	err = session.Run("getLastError", &result)
	c.Assert(err, IsNil)
	c.Assert(result.Ok, Equals, true)

	for i := 0; i != 20; i++ {
		stats = mgo.GetStats()
		if stats.SocketsAlive == 3 {
			break
		}
		c.Logf("Waiting for 3 sockets alive, have %d", stats.SocketsAlive)
		time.Sleep(5e8)
	}

	// Ensure the number of sockets is preserved after syncing.
	stats = mgo.GetStats()
	c.Assert(stats.SocketsAlive, Equals, 3)
	c.Assert(stats.SocketsInUse, Equals, 1)
	c.Assert(stats.SocketRefs, Equals, 1)
}
Exemple #4
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func (s *S) TestNewSession(c *C) {
	session, err := mgo.Dial("localhost:40001")
	c.Assert(err, IsNil)
	defer session.Close()

	// Do a dummy operation to wait for connection.
	coll := session.DB("mydb").C("mycoll")
	err = coll.Insert(M{"_id": 1})
	c.Assert(err, IsNil)

	// Tweak safety and query settings to ensure other has copied those.
	session.SetSafe(nil)
	session.SetBatch(-1)
	other := session.New()
	defer other.Close()
	session.SetSafe(&mgo.Safe{})

	// Clone was copied while session was unsafe, so no errors.
	otherColl := other.DB("mydb").C("mycoll")
	err = otherColl.Insert(M{"_id": 1})
	c.Assert(err, IsNil)

	// Original session was made safe again.
	err = coll.Insert(M{"_id": 1})
	c.Assert(err, NotNil)

	// With New(), each session has its own socket now.
	stats := mgo.GetStats()
	c.Assert(stats.MasterConns, Equals, 2)
	c.Assert(stats.SocketsInUse, Equals, 2)

	// Ensure query parameters were cloned.
	err = otherColl.Insert(M{"_id": 2})
	c.Assert(err, IsNil)

	// Ping the database to ensure the nonce has been received already.
	c.Assert(other.Ping(), IsNil)

	mgo.ResetStats()

	iter := otherColl.Find(M{}).Iter()
	c.Assert(err, IsNil)

	m := M{}
	ok := iter.Next(m)
	c.Assert(ok, Equals, true)
	err = iter.Err()
	c.Assert(err, IsNil)

	// If Batch(-1) is in effect, a single document must have been received.
	stats = mgo.GetStats()
	c.Assert(stats.ReceivedDocs, Equals, 1)
}
func (s *S) TestAuthLoginCachingAcrossPoolWithLogout(c *C) {
	// Now verify that logouts are properly flushed if they
	// are not revalidated after leaving the pool.

	session, err := mgo.Dial("localhost:40002")
	c.Assert(err, IsNil)
	defer session.Close()

	admindb := session.DB("admin")
	err = admindb.Login("root", "rapadura")
	c.Assert(err, IsNil)

	// Add another user to test the logout case at the same time.
	mydb := session.DB("mydb")
	err = mydb.AddUser("myuser", "mypass", true)
	c.Assert(err, IsNil)

	err = mydb.Login("myuser", "mypass")
	c.Assert(err, IsNil)

	// Just some data to query later.
	err = session.DB("mydb").C("mycoll").Insert(M{"n": 1})
	c.Assert(err, IsNil)

	// Give socket back to pool.
	session.Refresh()

	// Brand new session, should use socket from the pool.
	other := session.New()
	defer other.Close()

	oldStats := mgo.GetStats()

	err = other.DB("mydb").Login("myuser", "mypass")
	c.Assert(err, IsNil)

	// Login was cached, so no ops.
	newStats := mgo.GetStats()
	c.Assert(newStats.SentOps, Equals, oldStats.SentOps)

	// Can't write, since root has been implicitly logged out
	// when the collection went into the pool, and not revalidated.
	err = other.DB("mydb").C("mycoll").Insert(M{"n": 1})
	c.Assert(err, ErrorMatches, "unauthorized|not authorized .*")

	// But can read due to the revalidated myuser login.
	result := struct{ N int }{}
	err = other.DB("mydb").C("mycoll").Find(nil).One(&result)
	c.Assert(err, IsNil)
	c.Assert(result.N, Equals, 1)
}
func (s *S) TestAuthLoginCachingAcrossPool(c *C) {
	// Logins are cached even when the conenction goes back
	// into the pool.

	session, err := mgo.Dial("localhost:40002")
	c.Assert(err, IsNil)
	defer session.Close()

	admindb := session.DB("admin")
	err = admindb.Login("root", "rapadura")
	c.Assert(err, IsNil)

	// Add another user to test the logout case at the same time.
	mydb := session.DB("mydb")
	err = mydb.AddUser("myuser", "mypass", false)
	c.Assert(err, IsNil)

	err = mydb.Login("myuser", "mypass")
	c.Assert(err, IsNil)

	// Logout root explicitly, to test both cases.
	admindb.Logout()

	// Give socket back to pool.
	session.Refresh()

	// Brand new session, should use socket from the pool.
	other := session.New()
	defer other.Close()

	oldStats := mgo.GetStats()

	err = other.DB("admin").Login("root", "rapadura")
	c.Assert(err, IsNil)
	err = other.DB("mydb").Login("myuser", "mypass")
	c.Assert(err, IsNil)

	// Both logins were cached, so no ops.
	newStats := mgo.GetStats()
	c.Assert(newStats.SentOps, Equals, oldStats.SentOps)

	// And they actually worked.
	err = other.DB("mydb").C("mycoll").Insert(M{"n": 1})
	c.Assert(err, IsNil)

	other.DB("admin").Logout()

	err = other.DB("mydb").C("mycoll").Insert(M{"n": 1})
	c.Assert(err, IsNil)
}
Exemple #7
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func (s *S) TestDirect(c *C) {
	session, err := mgo.Dial("localhost:40012?connect=direct")
	c.Assert(err, IsNil)
	defer session.Close()

	// We know that server is a slave.
	session.SetMode(mgo.Monotonic, true)

	result := &struct{ Host string }{}
	err = session.Run("serverStatus", result)
	c.Assert(err, IsNil)
	c.Assert(strings.HasSuffix(result.Host, ":40012"), Equals, true)

	stats := mgo.GetStats()
	c.Assert(stats.SocketsAlive, Equals, 1)
	c.Assert(stats.SocketsInUse, Equals, 1)
	c.Assert(stats.SocketRefs, Equals, 1)

	// We've got no master, so it'll timeout.
	session.SetSyncTimeout(5e8 * time.Nanosecond)

	coll := session.DB("mydb").C("mycoll")
	err = coll.Insert(M{"test": 1})
	c.Assert(err, ErrorMatches, "no reachable servers")

	// Slave is still reachable.
	result.Host = ""
	err = session.Run("serverStatus", result)
	c.Assert(err, IsNil)
	c.Assert(strings.HasSuffix(result.Host, ":40012"), Equals, true)
}
Exemple #8
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func (s *S) TestSetModeMonotonicAfterStrong(c *C) {
	// Test that a strong session shifting to a monotonic
	// one preserves the socket untouched.

	session, err := mgo.Dial("localhost:40012")
	c.Assert(err, IsNil)
	defer session.Close()

	// Insert something to force a connection to the master.
	coll := session.DB("mydb").C("mycoll")
	err = coll.Insert(M{"a": 1})
	c.Assert(err, IsNil)

	session.SetMode(mgo.Monotonic, false)

	// Wait since the sync also uses sockets.
	for len(session.LiveServers()) != 3 {
		c.Log("Waiting for cluster sync to finish...")
		time.Sleep(5e8)
	}

	// Master socket should still be reserved.
	stats := mgo.GetStats()
	c.Assert(stats.SocketsInUse, Equals, 1)

	// Confirm it's the master even though it's Monotonic by now.
	result := M{}
	cmd := session.DB("admin").C("$cmd")
	err = cmd.Find(M{"ismaster": 1}).One(&result)
	c.Assert(err, IsNil)
	c.Assert(result["ismaster"], Equals, true)
}
func (s *S) TestAuthLoginTwiceDoesNothing(c *C) {
	session, err := mgo.Dial("localhost:40002")
	c.Assert(err, IsNil)
	defer session.Close()

	admindb := session.DB("admin")
	err = admindb.Login("root", "rapadura")
	c.Assert(err, IsNil)

	oldStats := mgo.GetStats()

	err = admindb.Login("root", "rapadura")
	c.Assert(err, IsNil)

	newStats := mgo.GetStats()
	c.Assert(newStats.SentOps, Equals, oldStats.SentOps)
}
Exemple #10
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func (s *S) TestSocketLimit(c *C) {
	if *fast {
		c.Skip("-fast")
	}
	const socketLimit = 64
	restore := mgo.HackSocketsPerServer(socketLimit)
	defer restore()

	session, err := mgo.Dial("localhost:40011")
	c.Assert(err, IsNil)
	defer session.Close()

	stats := mgo.GetStats()
	for stats.MasterConns+stats.SlaveConns != 3 {
		stats = mgo.GetStats()
		c.Log("Waiting for all connections to be established...")
		time.Sleep(5e8)
	}
	c.Assert(stats.SocketsAlive, Equals, 3)

	// Consume the whole limit for the master.
	var master []*mgo.Session
	for i := 0; i < socketLimit; i++ {
		s := session.Copy()
		defer s.Close()
		err := s.Ping()
		c.Assert(err, IsNil)
		master = append(master, s)
	}

	before := time.Now()
	go func() {
		time.Sleep(3e9)
		master[0].Refresh()
	}()

	// Now a single ping must block, since it would need another
	// connection to the master, over the limit. Once the goroutine
	// above releases its socket, it should move on.
	session.Ping()
	delay := time.Now().Sub(before)
	c.Assert(delay > 3e9, Equals, true)
	c.Assert(delay < 6e9, Equals, true)
}
Exemple #11
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func (s *S) TestSetModeMonotonic(c *C) {
	// Must necessarily connect to a slave, otherwise the
	// master connection will be available first.
	session, err := mgo.Dial("localhost:40012")
	c.Assert(err, IsNil)
	defer session.Close()

	session.SetMode(mgo.Monotonic, false)

	c.Assert(session.Mode(), Equals, mgo.Monotonic)

	result := M{}
	cmd := session.DB("admin").C("$cmd")
	err = cmd.Find(M{"ismaster": 1}).One(&result)
	c.Assert(err, IsNil)
	c.Assert(result["ismaster"], Equals, false)

	coll := session.DB("mydb").C("mycoll")
	err = coll.Insert(M{"a": 1})
	c.Assert(err, IsNil)

	result = M{}
	err = cmd.Find(M{"ismaster": 1}).One(&result)
	c.Assert(err, IsNil)
	c.Assert(result["ismaster"], Equals, true)

	// Wait since the sync also uses sockets.
	for len(session.LiveServers()) != 3 {
		c.Log("Waiting for cluster sync to finish...")
		time.Sleep(5e8)
	}

	stats := mgo.GetStats()
	c.Assert(stats.MasterConns, Equals, 1)
	c.Assert(stats.SlaveConns, Equals, 2)
	c.Assert(stats.SocketsInUse, Equals, 2)

	session.SetMode(mgo.Monotonic, true)

	stats = mgo.GetStats()
	c.Assert(stats.SocketsInUse, Equals, 0)
}
Exemple #12
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// Connect to the master of a deployment with a single server,
// run an insert, and then ensure the insert worked and that a
// single connection was established.
func (s *S) TestTopologySyncWithSingleMaster(c *C) {
	// Use hostname here rather than IP, to make things trickier.
	session, err := mgo.Dial("localhost:40001")
	c.Assert(err, IsNil)
	defer session.Close()

	coll := session.DB("mydb").C("mycoll")
	err = coll.Insert(M{"a": 1, "b": 2})
	c.Assert(err, IsNil)

	// One connection used for discovery. Master socket recycled for
	// insert. Socket is reserved after insert.
	stats := mgo.GetStats()
	c.Assert(stats.MasterConns, Equals, 1)
	c.Assert(stats.SlaveConns, Equals, 0)
	c.Assert(stats.SocketsInUse, Equals, 1)

	// Refresh session and socket must be released.
	session.Refresh()
	stats = mgo.GetStats()
	c.Assert(stats.SocketsInUse, Equals, 0)
}
Exemple #13
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func (s *MgoSuite) TearDownTest(c *C) {
	MgoReset()
	s.Session.Close()
	for i := 0; ; i++ {
		stats := mgo.GetStats()
		if stats.SocketsInUse == 0 && stats.SocketsAlive == 0 {
			break
		}
		if i == 20 {
			c.Fatal("Test left sockets in a dirty state")
		}
		c.Logf("Waiting for sockets to die: %d in use, %d alive", stats.SocketsInUse, stats.SocketsAlive)
		time.Sleep(500 * time.Millisecond)
	}
}
Exemple #14
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func (s *S) TearDownTest(c *C) {
	if s.stopped {
		s.StartAll()
	}
	for i := 0; ; i++ {
		stats := mgo.GetStats()
		if stats.SocketsInUse == 0 && stats.SocketsAlive == 0 {
			break
		}
		if i == 20 {
			c.Fatal("Test left sockets in a dirty state")
		}
		c.Logf("Waiting for sockets to die: %d in use, %d alive", stats.SocketsInUse, stats.SocketsAlive)
		time.Sleep(5e8)
	}
}
Exemple #15
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func (s *MgoSuite) TearDownTest(c *C) {
	if s.Session != nil {
		s.Session.Close()
	}
	t0 := time.Now()
	for i := 0; ; i++ {
		stats := mgo.GetStats()
		if stats.SocketsInUse == 0 && stats.SocketsAlive == 0 {
			break
		}
		if time.Since(t0) > testing.LongWait {
			// We wait up to 10s for all workers to finish up
			c.Fatal("Test left sockets in a dirty state")
		}
		c.Logf("Waiting for sockets to die: %d in use, %d alive", stats.SocketsInUse, stats.SocketsAlive)
		time.Sleep(testing.ShortWait)
	}
}
Exemple #16
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func (s *S) TestDirect(c *C) {
	session, err := mgo.Dial("localhost:40012?connect=direct")
	c.Assert(err, IsNil)
	defer session.Close()

	// We know that server is a slave.
	session.SetMode(mgo.Monotonic, true)

	result := &struct{ Host string }{}
	err = session.Run("serverStatus", result)
	c.Assert(err, IsNil)
	c.Assert(strings.HasSuffix(result.Host, ":40012"), Equals, true)

	stats := mgo.GetStats()
	c.Assert(stats.SocketsAlive, Equals, 1)
	c.Assert(stats.SocketsInUse, Equals, 1)
	c.Assert(stats.SocketRefs, Equals, 1)

	// We've got no master, so it'll timeout.
	session.SetSyncTimeout(5e8 * time.Nanosecond)

	coll := session.DB("mydb").C("mycoll")
	err = coll.Insert(M{"test": 1})
	c.Assert(err, ErrorMatches, "no reachable servers")

	// Writing to the local database is okay.
	coll = session.DB("local").C("mycoll")
	defer coll.RemoveAll(nil)
	id := bson.NewObjectId()
	err = coll.Insert(M{"_id": id})
	c.Assert(err, IsNil)

	// Data was stored in the right server.
	n, err := coll.Find(M{"_id": id}).Count()
	c.Assert(err, IsNil)
	c.Assert(n, Equals, 1)

	// Server hasn't changed.
	result.Host = ""
	err = session.Run("serverStatus", result)
	c.Assert(err, IsNil)
	c.Assert(strings.HasSuffix(result.Host, ":40012"), Equals, true)
}
Exemple #17
0
func (s *S) TestSetModeStrongAfterMonotonic(c *C) {
	// Test that shifting from Monotonic to Strong while
	// using a slave socket will keep the socket reserved
	// until the master socket is necessary, so that no
	// switch over occurs unless it's actually necessary.

	// Must necessarily connect to a slave, otherwise the
	// master connection will be available first.
	session, err := mgo.Dial("localhost:40012")
	c.Assert(err, IsNil)
	defer session.Close()

	session.SetMode(mgo.Monotonic, false)

	// Ensure we're talking to a slave, and reserve the socket.
	result := M{}
	err = session.Run("ismaster", &result)
	c.Assert(err, IsNil)
	c.Assert(result["ismaster"], Equals, false)

	// Switch to a Strong session.
	session.SetMode(mgo.Strong, false)

	// Wait since the sync also uses sockets.
	for len(session.LiveServers()) != 3 {
		c.Log("Waiting for cluster sync to finish...")
		time.Sleep(5e8)
	}

	// Slave socket should still be reserved.
	stats := mgo.GetStats()
	c.Assert(stats.SocketsInUse, Equals, 1)

	// But any operation will switch it to the master.
	result = M{}
	err = session.Run("ismaster", &result)
	c.Assert(err, IsNil)
	c.Assert(result["ismaster"], Equals, true)
}
Exemple #18
0
func (s *S) TestCloneSession(c *C) {
	session, err := mgo.Dial("localhost:40001")
	c.Assert(err, IsNil)
	defer session.Close()

	// Do a dummy operation to wait for connection.
	coll := session.DB("mydb").C("mycoll")
	err = coll.Insert(M{"_id": 1})
	c.Assert(err, IsNil)

	// Tweak safety and query settings to ensure clone is copying those.
	session.SetSafe(nil)
	session.SetBatch(-1)
	clone := session.Clone()
	defer clone.Close()
	session.SetSafe(&mgo.Safe{})

	// Clone was copied while session was unsafe, so no errors.
	cloneColl := clone.DB("mydb").C("mycoll")
	err = cloneColl.Insert(M{"_id": 1})
	c.Assert(err, IsNil)

	// Original session was made safe again.
	err = coll.Insert(M{"_id": 1})
	c.Assert(err, NotNil)

	// With Clone(), same socket is shared between sessions now.
	stats := mgo.GetStats()
	c.Assert(stats.SocketsInUse, Equals, 1)
	c.Assert(stats.SocketRefs, Equals, 2)

	// Refreshing one of them should let the original socket go,
	// while preserving the safety settings.
	clone.Refresh()
	err = cloneColl.Insert(M{"_id": 1})
	c.Assert(err, IsNil)

	// Must have used another connection now.
	stats = mgo.GetStats()
	c.Assert(stats.SocketsInUse, Equals, 2)
	c.Assert(stats.SocketRefs, Equals, 2)

	// Ensure query parameters were cloned.
	err = cloneColl.Insert(M{"_id": 2})
	c.Assert(err, IsNil)

	// Ping the database to ensure the nonce has been received already.
	c.Assert(clone.Ping(), IsNil)

	mgo.ResetStats()

	iter := cloneColl.Find(M{}).Iter()
	c.Assert(err, IsNil)

	m := M{}
	ok := iter.Next(m)
	c.Assert(ok, Equals, true)
	err = iter.Err()
	c.Assert(err, IsNil)

	// If Batch(-1) is in effect, a single document must have been received.
	stats = mgo.GetStats()
	c.Assert(stats.ReceivedDocs, Equals, 1)
}
Exemple #19
0
func (s *S) TestGridFSSeek(c *C) {
	session, err := mgo.Dial("localhost:40011")
	c.Assert(err, IsNil)
	defer session.Close()

	db := session.DB("mydb")

	gfs := db.GridFS("fs")
	file, err := gfs.Create("")
	c.Assert(err, IsNil)
	id := file.Id()

	file.SetChunkSize(5)

	n, err := file.Write([]byte("abcdefghijklmnopqrstuv"))
	c.Assert(err, IsNil)
	c.Assert(n, Equals, 22)

	err = file.Close()
	c.Assert(err, IsNil)

	b := make([]byte, 5)

	file, err = gfs.OpenId(id)
	c.Assert(err, IsNil)

	o, err := file.Seek(3, os.SEEK_SET)
	c.Assert(err, IsNil)
	c.Assert(o, Equals, int64(3))
	_, err = file.Read(b)
	c.Assert(err, IsNil)
	c.Assert(b, DeepEquals, []byte("defgh"))

	o, err = file.Seek(5, os.SEEK_CUR)
	c.Assert(err, IsNil)
	c.Assert(o, Equals, int64(13))
	_, err = file.Read(b)
	c.Assert(err, IsNil)
	c.Assert(b, DeepEquals, []byte("nopqr"))

	o, err = file.Seek(-10, os.SEEK_END)
	c.Assert(err, IsNil)
	c.Assert(o, Equals, int64(12))
	_, err = file.Read(b)
	c.Assert(err, IsNil)
	c.Assert(b, DeepEquals, []byte("mnopq"))

	o, err = file.Seek(8, os.SEEK_SET)
	c.Assert(err, IsNil)
	c.Assert(o, Equals, int64(8))
	_, err = file.Read(b)
	c.Assert(err, IsNil)
	c.Assert(b, DeepEquals, []byte("ijklm"))

	// Trivial seek forward within same chunk. Already
	// got the data, shouldn't touch the database.
	sent := mgo.GetStats().SentOps
	o, err = file.Seek(1, os.SEEK_CUR)
	c.Assert(err, IsNil)
	c.Assert(o, Equals, int64(14))
	c.Assert(mgo.GetStats().SentOps, Equals, sent)
	_, err = file.Read(b)
	c.Assert(err, IsNil)
	c.Assert(b, DeepEquals, []byte("opqrs"))

	// Try seeking past end of file.
	file.Seek(3, os.SEEK_SET)
	o, err = file.Seek(23, os.SEEK_SET)
	c.Assert(err, ErrorMatches, "seek past end of file")
	c.Assert(o, Equals, int64(3))
}
Exemple #20
0
func main() {
	mgo.SetStats(true)
	session, err := mgo.Dial("localhost")
	if err != nil {
		panic(err)
	}
	defer session.Close()

	session.SetMode(mgo.Monotonic, true)

	// go routine to start inserts
	c := session.DB("test").C("mongotest")
	insertonedoc(c)
	ch := make(chan int)
	start := time.Now().UnixNano()
	for a := 0; a < Test_Runs; a++ {

		for j := 0; j < Async_Count; j++ {
			go insertworker(session.Copy(), ch)
		}
		// drain the channel
		for i := 0; i < Async_Count; i++ {
			<-ch
		}
	}
	end := time.Now().UnixNano()
	// try to do query as a test
	findone(c)
	cm := make(chan int)
	for b := 0; b < MapReduce_Count; b++ {
		go testmapreduce(c, cm, b)
	}
	for z := 0; z < MapReduce_Count; z++ {
		<-cm
	}
	for x := 0; x < IndexOp_Count; x++ {
		MakeIndex(c)
		DeleteIndex(c)
	}
	minInsert := MinFloat(Insert_t[:])
	maxInsert := MaxFloat(Insert_t[:])
	avgInsert := AvgFloat(Insert_t[:])
	minMap := MinFloat(Mp_t[:])
	maxMap := MaxFloat(Mp_t[:])
	avgMap := AvgFloat(Mp_t[:])
	minIndexC := MinFloat(Id_t[:])
	maxIndexC := MaxFloat(Id_t[:])
	avgIndexC := AvgFloat(Id_t[:])
	minIndexD := MinFloat(Di_t[:])
	maxIndexD := MaxFloat(Di_t[:])
	avgIndexD := AvgFloat(Di_t[:])
	fmt.Printf("#####################\n")
	fmt.Printf("%v Docs Inserted in %v seconds, using %v threads\n", Test_Runs*Insert_Count*Async_Count, float32(end-start)/1E9, Async_Count)
	fmt.Printf("Min Insert TIme %v\n", minInsert)
	fmt.Printf("Max Insert Time %v\n", maxInsert)
	fmt.Printf("Avg Insert Time %v\n", avgInsert)
	fmt.Printf("#####################\n")
	fmt.Printf("%v MapReduce Runs\n", MapReduce_Count)
	fmt.Printf("Min MapReduce TIme %v\n", minMap)
	fmt.Printf("Max MapReduce Time %v\n", maxMap)
	fmt.Printf("Avg MapReduce Time %v\n", avgMap)
	fmt.Printf("#####################\n")
	fmt.Printf("Query One Time %v\n", Fo_t)
	fmt.Printf("#####################\n")
	fmt.Printf("Min Create Index Time (Blocking) %v\n", minIndexC)
	fmt.Printf("Max Create Index Time (Blocking) %v\n", maxIndexC)
	fmt.Printf("Avg Create Index Time (Blocking) %v\n", avgIndexC)
	fmt.Printf("Min Drop Index Time %v\n", minIndexD)
	fmt.Printf("Max Drop Index Time %v\n", maxIndexD)
	fmt.Printf("Avg Drop Index Time %v\n", avgIndexD)
	fmt.Printf("%+v\n", mgo.GetStats())

}