delete cit to use new gotgt as main cmd, use logrus instead of glog

This commit is contained in:
Lei Xue
2016-11-29 11:21:40 +08:00
parent 18e1419b06
commit d3c3a96920
23 changed files with 193 additions and 2124 deletions

View File

@@ -23,7 +23,7 @@ import (
"os"
"strconv"
"github.com/golang/glog"
log "github.com/Sirupsen/logrus"
"github.com/gostor/gotgt/pkg/api"
"github.com/gostor/gotgt/pkg/config"
"github.com/gostor/gotgt/pkg/scsi"
@@ -124,25 +124,25 @@ func (s *ISCSITargetDriver) HasPortal(tgtName string, tpgt uint16, portal string
func (s *ISCSITargetDriver) Run() error {
l, err := net.Listen("tcp", ":3260")
if err != nil {
glog.Error(err)
log.Error(err)
os.Exit(1)
}
defer l.Close()
for {
glog.Info("Listening ...")
log.Info("Listening ...")
conn, err := l.Accept()
if err != nil {
glog.Error(err)
log.Error(err)
continue
}
glog.Info(conn.LocalAddr().String())
glog.Info("Accepting ...")
log.Info(conn.LocalAddr().String())
log.Info("Accepting ...")
iscsiConn := &iscsiConnection{conn: conn}
iscsiConn.init()
iscsiConn.rxIOState = IOSTATE_RX_BHS
glog.Infof("connection is connected from %s...\n", conn.RemoteAddr().String())
log.Infof("connection is connected from %s...\n", conn.RemoteAddr().String())
// start a new thread to do with this command
go s.handler(DATAIN, iscsiConn)
}
@@ -152,15 +152,15 @@ func (s *ISCSITargetDriver) Run() error {
func (s *ISCSITargetDriver) handler(events byte, conn *iscsiConnection) {
if events&DATAIN != 0 {
glog.V(1).Infof("rx handler processing...")
log.Debug("rx handler processing...")
go s.rxHandler(conn)
}
if conn.state != CONN_STATE_CLOSE && events&DATAOUT != 0 {
glog.V(1).Infof("tx handler processing...")
log.Debug("tx handler processing...")
s.txHandler(conn)
}
if conn.state == CONN_STATE_CLOSE {
glog.Warningf("iscsi connection[%d] closed", conn.CID)
log.Warningf("iscsi connection[%d] closed", conn.CID)
conn.close()
}
}
@@ -181,22 +181,22 @@ func (s *ISCSITargetDriver) rxHandler(conn *iscsiConnection) {
for {
switch conn.rxIOState {
case IOSTATE_RX_BHS:
glog.Infof("rx handler: IOSTATE_RX_BHS")
log.Debug("rx handler: IOSTATE_RX_BHS")
buf, length, err := conn.readData(BHS_SIZE)
if err != nil {
glog.Error(err)
log.Error(err)
return
}
if length == 0 {
glog.Warningf("set connection to close")
log.Warningf("set connection to close")
conn.state = CONN_STATE_CLOSE
return
}
conn.rxBuffer = buf
cmd, err = parseHeader(buf)
if err != nil {
glog.Error(err)
glog.Warningf("set connection to close")
log.Error(err)
log.Warningf("set connection to close")
conn.state = CONN_STATE_CLOSE
return
}
@@ -205,8 +205,8 @@ func (s *ISCSITargetDriver) rxHandler(conn *iscsiConnection) {
conn.rxIOState = IOSTATE_RX_INIT_AHS
break
}
glog.V(2).Infof("got command: \n%s", cmd.String())
glog.V(2).Infof("got buffer: %v", buf)
log.Debugf("got command: \n%s", cmd.String())
log.Debugf("got buffer: %v", buf)
final = true
case IOSTATE_RX_INIT_AHS:
conn.rxIOState = IOSTATE_RX_DATA
@@ -227,24 +227,24 @@ func (s *ISCSITargetDriver) rxHandler(conn *iscsiConnection) {
for length < dl {
b, l, err := conn.readData(dl - length)
if err != nil {
glog.Error(err)
log.Error(err)
return
}
length += l
buf = append(buf, b...)
}
if length != dl {
glog.V(2).Infof("get length is %d, but expected %d", length, dl)
glog.Warningf("set connection to close")
log.Debugf("get length is %d, but expected %d", length, dl)
log.Warning("set connection to close")
conn.state = CONN_STATE_CLOSE
return
}
cmd.RawData = buf[:length]
conn.rxBuffer = append(conn.rxBuffer, buf...)
final = true
glog.Infof("got command: \n%s", cmd.String())
log.Debugf("got command: \n%s", cmd.String())
default:
glog.Errorf("error %d %d\n", conn.state, conn.rxIOState)
log.Errorf("error %d %d\n", conn.state, conn.rxIOState)
return
}
@@ -260,29 +260,29 @@ func (s *ISCSITargetDriver) rxHandler(conn *iscsiConnection) {
conn.resp = &ISCSICommand{}
switch conn.req.OpCode {
case OpLoginReq:
glog.Infof("OpLoginReq")
log.Debug("OpLoginReq")
if err := s.iscsiExecLogin(conn); err != nil {
glog.Error(err)
glog.Warningf("set connection to close")
log.Error(err)
log.Warningf("set connection to close")
conn.state = CONN_STATE_CLOSE
}
case OpLogoutReq:
glog.Infof("OpLogoutReq")
log.Debug("OpLogoutReq")
if err := iscsiExecLogout(conn); err != nil {
glog.Warningf("set connection to close")
log.Warningf("set connection to close")
conn.state = CONN_STATE_CLOSE
}
case OpTextReq:
glog.Infof("OpTextReq")
log.Debug("OpTextReq")
if err := s.iscsiExecText(conn); err != nil {
glog.Warningf("set connection to close")
log.Warningf("set connection to close")
conn.state = CONN_STATE_CLOSE
}
default:
iscsiExecReject(conn)
}
glog.V(2).Infof("connection state is %v", conn.state)
glog.V(2).Infof("%#v", conn.resp.String())
log.Debugf("connection state is %v", conn.state)
log.Debugf("%#v", conn.resp.String())
s.handler(DATAOUT, conn)
}
}
@@ -374,7 +374,7 @@ func (s *ISCSITargetDriver) iscsiExecLogin(conn *iscsiConnection) error {
// create a new session
sess, err := s.NewISCSISession(conn, cmd.ISID)
if err != nil {
glog.Error(err)
log.Error(err)
return err
}
itnexus := &api.ITNexus{uuid.NewV1(), GeniSCSIITNexusID(sess)}
@@ -413,8 +413,8 @@ func (s *ISCSITargetDriver) iscsiExecText(conn *iscsiConnection) error {
if st, ok := keys["SendTargets"]; ok {
if st == "All" {
for name, tgt := range s.iSCSITargets {
glog.V(2).Infof("iscsi target: %v", name)
//glog.V(2).Infof("iscsi target portals: %v", tgt.Portals)
log.Debugf("iscsi target: %v", name)
//log.Debugf("iscsi target portals: %v", tgt.Portals)
result = append(result, util.KeyValue{"TargetName", name})
for _, tpgt := range tgt.TPGTs {
@@ -512,23 +512,23 @@ func (s *ISCSITargetDriver) txHandler(conn *iscsiConnection) {
if conn.state == CONN_STATE_SCSI && conn.txTask == nil {
err := s.scsiCommandHandler(conn)
if err != nil {
glog.Error(err)
log.Error(err)
return
}
}
for {
switch conn.txIOState {
case IOSTATE_TX_BHS:
glog.V(2).Infof("ready to write response")
glog.V(2).Infof("%s", conn.resp.String())
glog.V(2).Infof("length of RawData is %d", len(conn.resp.RawData))
glog.V(2).Infof("length of resp is %d", len(conn.resp.Bytes()))
log.Debug("ready to write response")
log.Debugf("%s", conn.resp.String())
log.Debugf("length of RawData is %d", len(conn.resp.RawData))
log.Debugf("length of resp is %d", len(conn.resp.Bytes()))
if l, err := conn.write(conn.resp.Bytes()); err != nil {
glog.Error(err)
log.Error(err)
return
} else {
conn.txIOState = IOSTATE_TX_INIT_AHS
glog.V(2).Infof("success to write %d length", l)
log.Debugf("success to write %d length", l)
}
case IOSTATE_TX_INIT_AHS:
if hdigest != 0 {
@@ -547,7 +547,7 @@ func (s *ISCSITargetDriver) txHandler(conn *iscsiConnection) {
conn.txIOState = IOSTATE_TX_INIT_DDIGEST
}
default:
glog.Errorf("error %d %d\n", conn.state, conn.txIOState)
log.Errorf("error %d %d\n", conn.state, conn.txIOState)
return
}
@@ -556,41 +556,41 @@ func (s *ISCSITargetDriver) txHandler(conn *iscsiConnection) {
}
}
glog.V(3).Infof("connection state: %d", conn.state)
log.Debugf("connection state: %d", conn.state)
switch conn.state {
case CONN_STATE_CLOSE, CONN_STATE_EXIT:
glog.Warningf("set connection to close")
log.Warnf("set connection to close")
conn.state = CONN_STATE_CLOSE
case CONN_STATE_SECURITY_LOGIN:
conn.state = CONN_STATE_LOGIN
glog.V(3).Infof("CONN_STATE_LOGIN")
log.Debugf("CONN_STATE_LOGIN")
case CONN_STATE_SECURITY_FULL, CONN_STATE_LOGIN_FULL:
if conn.sessionType == SESSION_NORMAL {
conn.state = CONN_STATE_KERNEL
glog.Infof("CONN_STATE_KERNEL")
log.Infof("CONN_STATE_KERNEL")
conn.state = CONN_STATE_SCSI
glog.V(3).Infof("CONN_STATE_SCSI")
log.Debugf("CONN_STATE_SCSI")
} else {
conn.state = CONN_STATE_FULL
glog.V(3).Infof("CONN_STATE_FULL")
log.Debugf("CONN_STATE_FULL")
}
conn.rxIOState = IOSTATE_RX_BHS
s.handler(DATAIN, conn)
case CONN_STATE_SCSI:
conn.txTask = nil
default:
glog.Warningf("unexpected connection state: %d", conn.state)
log.Warnf("unexpected connection state: %d", conn.state)
conn.rxIOState = IOSTATE_RX_BHS
s.handler(DATAIN, conn)
}
glog.Infof("%d", conn.state)
log.Infof("%d", conn.state)
}
func (s *ISCSITargetDriver) scsiCommandHandler(conn *iscsiConnection) (err error) {
req := conn.req
switch req.OpCode {
case OpSCSICmd:
glog.V(2).Infof("SCSI Command processing...")
log.Debugf("SCSI Command processing...")
scmd := &api.SCSICommand{}
task := &iscsiTask{conn: conn, cmd: conn.req, tag: conn.req.TaskTag, scmd: scmd}
if req.Write {
@@ -599,7 +599,7 @@ func (s *ISCSITargetDriver) scsiCommandHandler(conn *iscsiConnection) (err error
if !req.Final {
task.unsolCount = 1
}
glog.V(2).Infof("SCSI write, R2T count: %d, unsol Count: %d, offset: %d", task.r2tCount, task.unsolCount, task.offset)
log.Debugf("SCSI write, R2T count: %d, unsol Count: %d, offset: %d", task.r2tCount, task.unsolCount, task.offset)
if task.scmd.OutSDBBuffer.Buffer == nil {
task.scmd.OutSDBBuffer.Buffer = bytes.NewBuffer([]byte{})
@@ -667,7 +667,7 @@ func (s *ISCSITargetDriver) scsiCommandHandler(conn *iscsiConnection) (err error
conn.txIOState = IOSTATE_TX_BHS
iscsiExecTMFunction(conn)
case OpSCSIOut:
glog.V(1).Infof("iSCSI Data-out processing...")
log.Debugf("iSCSI Data-out processing...")
var task *iscsiTask
for _, t := range conn.session.PendingTasks {
if t.tag == conn.req.TaskTag {
@@ -676,16 +676,16 @@ func (s *ISCSITargetDriver) scsiCommandHandler(conn *iscsiConnection) (err error
}
if task == nil {
err = fmt.Errorf("Cannot find iSCSI task with tag[%v]", conn.req.TaskTag)
glog.Error(err)
log.Error(err)
return
}
task.offset = task.offset + conn.req.DataLen
task.r2tCount = task.r2tCount - conn.req.DataLen
task.scmd.OutSDBBuffer.Buffer.Write(conn.req.RawData)
glog.V(2).Infof("Final: %v", conn.req.Final)
glog.V(2).Infof("r2tCount: %v", task.r2tCount)
log.Debugf("Final: %v", conn.req.Final)
log.Debugf("r2tCount: %v", task.r2tCount)
if !conn.req.Final {
glog.V(1).Infof("Not ready to exec the task")
log.Debugf("Not ready to exec the task")
conn.rxIOState = IOSTATE_RX_BHS
s.handler(DATAIN, conn)
return nil
@@ -697,7 +697,7 @@ func (s *ISCSITargetDriver) scsiCommandHandler(conn *iscsiConnection) (err error
break
}
task.offset = 0
glog.V(1).Infof("Process the Data-out package")
log.Debugf("Process the Data-out package")
conn.rxTask = task
if err = s.iscsiExecTask(task); err != nil {
return
@@ -730,11 +730,11 @@ func (s *ISCSITargetDriver) scsiCommandHandler(conn *iscsiConnection) (err error
iscsiExecLogout(conn)
case OpTextReq, OpSNACKReq:
err = fmt.Errorf("Cannot handle yet %s", opCodeMap[conn.req.OpCode])
glog.Error(err)
log.Error(err)
return
default:
err = fmt.Errorf("Unknown op %s", opCodeMap[conn.req.OpCode])
glog.Error(err)
log.Error(err)
return
}
conn.rxIOState = IOSTATE_RX_BHS
@@ -750,16 +750,16 @@ func (s *ISCSITargetDriver) iscsiTaskQueueHandler(task *iscsiTask) error {
return s.iscsiExecTask(task)
}
cmdsn := cmd.CmdSN
glog.V(2).Infof("CmdSN of command is %d, ExpCmdSN of session is %d", cmdsn, sess.ExpCmdSN)
log.Debugf("CmdSN of command is %d, ExpCmdSN of session is %d", cmdsn, sess.ExpCmdSN)
if cmdsn == sess.ExpCmdSN {
retry:
cmdsn += 1
sess.ExpCmdSN = cmdsn
glog.V(2).Infof("session's ExpCmdSN is %d", cmdsn)
log.Debugf("session's ExpCmdSN is %d", cmdsn)
glog.V(2).Infof("process task(%d)", task.cmd.CmdSN)
log.Debugf("process task(%d)", task.cmd.CmdSN)
if err := s.iscsiExecTask(task); err != nil {
glog.Error(err)
log.Error(err)
}
if len(sess.PendingTasks) == 0 {
return nil
@@ -775,10 +775,10 @@ func (s *ISCSITargetDriver) iscsiTaskQueueHandler(task *iscsiTask) error {
} else {
if cmd.CmdSN < sess.ExpCmdSN {
err := fmt.Errorf("unexpected cmd serial number: (%d, %d)", cmd.CmdSN, sess.ExpCmdSN)
glog.Error(err)
log.Error(err)
return err
}
glog.V(1).Infof("add task(%d) into task queue", task.cmd.CmdSN)
log.Debugf("add task(%d) into task queue", task.cmd.CmdSN)
// add this connection into queue and set this task as pending task
task.state = taskPending
sess.PendingTasks.Push(task)