func (s *Server) get(wr http.ResponseWriter, r *http.Request) {
var (
v *volume.Volume
n *needle.Needle
err error
vid, key, cookie int64
ret = http.StatusOK
params = r.URL.Query()
now = time.Now()
)
if r.Method != "GET" && r.Method != "HEAD" {
ret = http.StatusMethodNotAllowed
http.Error(wr, "method not allowed", ret)
return
}
defer HttpGetWriter(r, wr, now, &err, &ret)
if vid, err = strconv.ParseInt(params.Get("vid"), 10, 32); err != nil {
log.Errorf("strconv.ParseInt(\"%s\") error(%v)", params.Get("vid"), err)
ret = http.StatusBadRequest
return
}
if key, err = strconv.ParseInt(params.Get("key"), 10, 64); err != nil {
log.Errorf("strconv.ParseInt(\"%s\") error(%v)", params.Get("key"), err)
ret = http.StatusBadRequest
return
}
if cookie, err = strconv.ParseInt(params.Get("cookie"), 10, 32); err != nil {
log.Errorf("strconv.ParseInt(\"%s\") error(%v)", params.Get("cookie"), err)
ret = http.StatusBadRequest
return
}
n = s.store.Needle()
n.Key = key
n.Cookie = int32(cookie)
if v = s.store.Volumes[int32(vid)]; v != nil {
if err = v.Get(n); err != nil {
if err == errors.ErrNeedleDeleted || err == errors.ErrNeedleNotExist {
ret = http.StatusNotFound
} else {
ret = http.StatusInternalServerError
}
}
} else {
ret = http.StatusNotFound
err = errors.ErrVolumeNotExist
}
if err == nil {
if r.Method == "GET" {
if _, err = wr.Write(n.Data); err != nil {
log.Errorf("wr.Write() error(%v)", err)
ret = http.StatusInternalServerError
}
}
if log.V(1) {
log.Infof("get a needle: %v", n)
}
}
s.store.FreeNeedle(n)
return
}
func TestStore(t *testing.T) {
var (
s *Store
z *zk.Zookeeper
v *volume.Volume
err error
n = needle.NewBufferNeedle(40)
buf = &bytes.Buffer{}
)
os.Remove(testConf.Store.VolumeIndex)
os.Remove(testConf.Store.FreeVolumeIndex)
os.Remove("./test/_free_block_1")
os.Remove("./test/_free_block_1.idx")
os.Remove("./test/_free_block_2")
os.Remove("./test/_free_block_2.idx")
os.Remove("./test/_free_block_3")
os.Remove("./test/_free_block_3.idx")
os.Remove("./test/1_0")
os.Remove("./test/1_0.idx")
os.Remove("./test/1_1")
os.Remove("./test/1_1.idx")
os.Remove("./test/block_store_1")
os.Remove("./test/block_store_1.idx")
defer os.Remove(testConf.Store.VolumeIndex)
defer os.Remove(testConf.Store.FreeVolumeIndex)
defer os.Remove("./test/_free_block_1")
defer os.Remove("./test/_free_block_1.idx")
defer os.Remove("./test/_free_block_2")
defer os.Remove("./test/_free_block_2.idx")
defer os.Remove("./test/_free_block_3")
defer os.Remove("./test/_free_block_3.idx")
defer os.Remove("./test/1_0")
defer os.Remove("./test/1_0.idx")
defer os.Remove("./test/1_1")
defer os.Remove("./test/1_1.idx")
defer os.Remove("./test/block_store_1")
defer os.Remove("./test/block_store_1.idx")
if z, err = zk.NewZookeeper(testConf); err != nil {
t.Errorf("NewZookeeper() error(%v)", err)
t.FailNow()
}
defer z.Close()
z.DelVolume(1)
z.DelVolume(2)
z.DelVolume(3)
defer z.DelVolume(1)
defer z.DelVolume(2)
defer z.DelVolume(3)
if s, err = NewStore(testConf); err != nil {
t.Errorf("NewStore() error(%v)", err)
t.FailNow()
}
defer s.Close()
if _, err = s.AddFreeVolume(2, "./test", "./test"); err != nil {
t.Errorf("s.AddFreeVolume() error(%v)", err)
t.FailNow()
}
if v, err = s.AddVolume(1); err != nil {
t.Errorf("AddVolume() error(%v)", err)
t.FailNow()
}
if v = s.Volumes[1]; v == nil {
t.Error("Volume(1) not exist")
t.FailNow()
}
buf.WriteString("test")
n.WriteFrom(1, 1, 4, buf)
if err = v.Write(n); err != nil {
t.Errorf("v.Add(1) error(%v)", err)
t.FailNow()
}
n.Key = 1
n.Cookie = 1
if err = v.Get(n); err != nil {
t.Errorf("v.Get(1) error(%v)", err)
t.FailNow()
}
if err = s.BulkVolume(2, "./test/block_store_1", "./test/block_store_1.idx"); err != nil {
t.Errorf("Bulk(1) error(%v)", err)
t.FailNow()
}
if v = s.Volumes[2]; v == nil {
t.Error("Volume(2) not exist")
t.FailNow()
}
if err = v.Write(n); err != nil {
t.Errorf("v.Add() error(%v)", err)
t.FailNow()
}
n.Key = 1
n.Cookie = 1
if err = v.Get(n); err != nil {
t.Errorf("v.Get(1) error(%v)", err)
t.FailNow()
}
if err = s.CompactVolume(1); err != nil {
t.Errorf("Compress(1) error(%v)", err)
t.FailNow()
}
if v = s.Volumes[1]; v == nil {
t.Error("Volume(1) not exist")
t.FailNow()
}
n.Key = 1
n.Cookie = 1
if err = v.Get(n); err != nil {
t.Errorf("v.Get(1) error(%v)", err)
t.FailNow()
}
s.DelVolume(1)
if v = s.Volumes[1]; v != nil {
t.Error(err)
t.FailNow()
}
}