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Logging and unit test changes

Browse Source 
Logging methods were renamed so they don't trigger go-vet warnings for
error() and Error() formatting.

Unit tests were updated to use new github.com/stretchr repo (was renamed
from stretchrcom)

Missing methods were added to Message mock object.
This commit is contained in:
James Hillyerd
2013-09-13 14:06:57 -07:00
parent f50061ac82
commit 2e78e4e6f7
16 changed files with 180 additions and 171 deletions
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117
pop3d/handler.go
View File

@@ -84,7 +84,7 @@ func (ses *Session) String() string {
* 5. Goto 2
*/
func (s *Server) startSession(id int, conn net.Conn) {
log.Info("POP3 connection from %v, starting session <%v>", conn.RemoteAddr(), id)
log.LogInfo("POP3 connection from %v, starting session <%v>", conn.RemoteAddr(), id)
//expConnectsCurrent.Add(1)
defer func() {
conn.Close()
@@ -108,7 +108,7 @@ func (s *Server) startSession(id int, conn net.Conn) {
}
if !commands[cmd] {
ses.send(fmt.Sprintf("-ERR Syntax error, %v command unrecognized", cmd))
ses.warn("Unrecognized command: %v", cmd)
ses.logWarn("Unrecognized command: %v", cmd)
continue
}
@@ -134,7 +134,7 @@ func (s *Server) startSession(id int, conn net.Conn) {
ses.transactionHandler(cmd, arg)
continue
}
ses.error("Session entered unexpected state %v", ses.state)
ses.logError("Session entered unexpected state %v", ses.state)
break
} else {
ses.send("-ERR Syntax error, command garbled")
@@ -145,14 +145,14 @@ func (s *Server) startSession(id int, conn net.Conn) {
switch ses.state {
case AUTHORIZATION:
// EOF is common here
ses.info("Client closed connection (state %v)", ses.state)
ses.logInfo("Client closed connection (state %v)", ses.state)
default:
ses.warn("Got EOF while in state %v", ses.state)
ses.logWarn("Got EOF while in state %v", ses.state)
}
break
}
// not an EOF
ses.warn("Connection error: %v", err)
ses.logWarn("Connection error: %v", err)
if netErr, ok := err.(net.Error); ok {
if netErr.Timeout() {
ses.send("-ERR Idle timeout, bye bye")
@@ -164,9 +164,9 @@ func (s *Server) startSession(id int, conn net.Conn) {
}
}
if ses.sendError != nil {
ses.warn("Network send error: %v", ses.sendError)
ses.logWarn("Network send error: %v", ses.sendError)
}
ses.info("Closing connection")
ses.logInfo("Closing connection")
}
// AUTHORIZATION state
@@ -189,7 +189,7 @@ func (ses *Session) authorizationHandler(cmd string, args []string) {
var err error
ses.mailbox, err = ses.server.dataStore.MailboxFor(ses.user)
if err != nil {
ses.error("Failed to open mailbox for %v", ses.user)
ses.logError("Failed to open mailbox for %v", ses.user)
ses.send(fmt.Sprintf("-ERR Failed to open mailbox for %v", ses.user))
ses.enterState(QUIT)
return
@@ -200,7 +200,7 @@ func (ses *Session) authorizationHandler(cmd string, args []string) {
}
case "APOP":
if len(args) != 2 {
ses.warn("Expected two arguments for APOP")
ses.logWarn("Expected two arguments for APOP")
ses.send("-ERR APOP requires two arguments")
return
}
@@ -208,7 +208,7 @@ func (ses *Session) authorizationHandler(cmd string, args []string) {
var err error
ses.mailbox, err = ses.server.dataStore.MailboxFor(ses.user)
if err != nil {
ses.error("Failed to open mailbox for %v", ses.user)
ses.logError("Failed to open mailbox for %v", ses.user)
ses.send(fmt.Sprintf("-ERR Failed to open mailbox for %v", ses.user))
ses.enterState(QUIT)
return
@@ -226,7 +226,7 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
switch cmd {
case "STAT":
if len(args) != 0 {
ses.warn("STAT got an unexpected argument")
ses.logWarn("STAT got an unexpected argument")
ses.send("-ERR STAT command must have no arguments")
return
}
@@ -241,29 +241,29 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
ses.send(fmt.Sprintf("+OK %v %v", count, size))
case "LIST":
if len(args) > 1 {
ses.warn("LIST command had more than 1 argument")
ses.logWarn("LIST command had more than 1 argument")
ses.send("-ERR LIST command must have zero or one argument")
return
}
if len(args) == 1 {
msgNum, err := strconv.ParseInt(args[0], 10, 32)
if err != nil {
ses.warn("LIST command argument was not an integer")
ses.logWarn("LIST command argument was not an integer")
ses.send("-ERR LIST command requires an integer argument")
return
}
if msgNum < 1 {
ses.warn("LIST command argument was less than 1")
ses.logWarn("LIST command argument was less than 1")
ses.send("-ERR LIST argument must be greater than 0")
return
}
if int(msgNum) > len(ses.messages) {
ses.warn("LIST command argument was greater than number of messages")
ses.logWarn("LIST command argument was greater than number of messages")
ses.send("-ERR LIST argument must not exceed the number of messages")
return
}
if !ses.retain[msgNum-1] {
ses.warn("Client tried to LIST a message it had deleted")
ses.logWarn("Client tried to LIST a message it had deleted")
ses.send(fmt.Sprintf("-ERR You deleted message %v", msgNum))
return
}
@@ -279,29 +279,29 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
}
case "UIDL":
if len(args) > 1 {
ses.warn("UIDL command had more than 1 argument")
ses.logWarn("UIDL command had more than 1 argument")
ses.send("-ERR UIDL command must have zero or one argument")
return
}
if len(args) == 1 {
msgNum, err := strconv.ParseInt(args[0], 10, 32)
if err != nil {
ses.warn("UIDL command argument was not an integer")
ses.logWarn("UIDL command argument was not an integer")
ses.send("-ERR UIDL command requires an integer argument")
return
}
if msgNum < 1 {
ses.warn("UIDL command argument was less than 1")
ses.logWarn("UIDL command argument was less than 1")
ses.send("-ERR UIDL argument must be greater than 0")
return
}
if int(msgNum) > len(ses.messages) {
ses.warn("UIDL command argument was greater than number of messages")
ses.logWarn("UIDL command argument was greater than number of messages")
ses.send("-ERR UIDL argument must not exceed the number of messages")
return
}
if !ses.retain[msgNum-1] {
ses.warn("Client tried to UIDL a message it had deleted")
ses.logWarn("Client tried to UIDL a message it had deleted")
ses.send(fmt.Sprintf("-ERR You deleted message %v", msgNum))
return
}
@@ -317,23 +317,23 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
}
case "DELE":
if len(args) != 1 {
ses.warn("DELE command had invalid number of arguments")
ses.logWarn("DELE command had invalid number of arguments")
ses.send("-ERR DELE command requires a single argument")
return
}
msgNum, err := strconv.ParseInt(args[0], 10, 32)
if err != nil {
ses.warn("DELE command argument was not an integer")
ses.logWarn("DELE command argument was not an integer")
ses.send("-ERR DELE command requires an integer argument")
return
}
if msgNum < 1 {
ses.warn("DELE command argument was less than 1")
ses.logWarn("DELE command argument was less than 1")
ses.send("-ERR DELE argument must be greater than 0")
return
}
if int(msgNum) > len(ses.messages) {
ses.warn("DELE command argument was greater than number of messages")
ses.logWarn("DELE command argument was greater than number of messages")
ses.send("-ERR DELE argument must not exceed the number of messages")
return
}
@@ -342,28 +342,28 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
ses.msgCount -= 1
ses.send(fmt.Sprintf("+OK Deleted message %v", msgNum))
} else {
ses.warn("Client tried to DELE an already deleted message")
ses.logWarn("Client tried to DELE an already deleted message")
ses.send(fmt.Sprintf("-ERR Message %v has already been deleted", msgNum))
}
case "RETR":
if len(args) != 1 {
ses.warn("RETR command had invalid number of arguments")
ses.logWarn("RETR command had invalid number of arguments")
ses.send("-ERR RETR command requires a single argument")
return
}
msgNum, err := strconv.ParseInt(args[0], 10, 32)
if err != nil {
ses.warn("RETR command argument was not an integer")
ses.logWarn("RETR command argument was not an integer")
ses.send("-ERR RETR command requires an integer argument")
return
}
if msgNum < 1 {
ses.warn("RETR command argument was less than 1")
ses.logWarn("RETR command argument was less than 1")
ses.send("-ERR RETR argument must be greater than 0")
return
}
if int(msgNum) > len(ses.messages) {
ses.warn("RETR command argument was greater than number of messages")
ses.logWarn("RETR command argument was greater than number of messages")
ses.send("-ERR RETR argument must not exceed the number of messages")
return
}
@@ -371,23 +371,23 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
ses.sendMessage(ses.messages[msgNum-1])
case "TOP":
if len(args) != 2 {
ses.warn("TOP command had invalid number of arguments")
ses.logWarn("TOP command had invalid number of arguments")
ses.send("-ERR TOP command requires two arguments")
return
}
msgNum, err := strconv.ParseInt(args[0], 10, 32)
if err != nil {
ses.warn("TOP command first argument was not an integer")
ses.logWarn("TOP command first argument was not an integer")
ses.send("-ERR TOP command requires an integer argument")
return
}
if msgNum < 1 {
ses.warn("TOP command first argument was less than 1")
ses.logWarn("TOP command first argument was less than 1")
ses.send("-ERR TOP first argument must be greater than 0")
return
}
if int(msgNum) > len(ses.messages) {
ses.warn("TOP command first argument was greater than number of messages")
ses.logWarn("TOP command first argument was greater than number of messages")
ses.send("-ERR TOP first argument must not exceed the number of messages")
return
}
@@ -395,12 +395,12 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
var lines int64
lines, err = strconv.ParseInt(args[1], 10, 32)
if err != nil {
ses.warn("TOP command second argument was not an integer")
ses.logWarn("TOP command second argument was not an integer")
ses.send("-ERR TOP command requires an integer argument")
return
}
if lines < 0 {
ses.warn("TOP command second argument was negative")
ses.logWarn("TOP command second argument was negative")
ses.send("-ERR TOP second argument must be non-negative")
return
}
@@ -414,7 +414,7 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
ses.send("+OK I have sucessfully done nothing")
case "RSET":
// Reset session, don't actually delete anything I told you to
ses.trace("Resetting session state on RSET request")
ses.logTrace("Resetting session state on RSET request")
ses.reset()
ses.send("+OK Session reset")
default:
@@ -427,7 +427,7 @@ func (ses *Session) sendMessage(msg smtpd.Message) {
reader, err := msg.RawReader()
defer reader.Close()
if err != nil {
ses.error("Failed to read message for RETR command")
ses.logError("Failed to read message for RETR command")
ses.send("-ERR Failed to RETR that message, internal error")
return
}
@@ -442,7 +442,7 @@ func (ses *Session) sendMessage(msg smtpd.Message) {
}
if err = scanner.Err(); err != nil {
ses.error("Failed to read message for RETR command")
ses.logError("Failed to read message for RETR command")
ses.send(".")
ses.send("-ERR Failed to RETR that message, internal error")
return
@@ -455,7 +455,7 @@ func (ses *Session) sendMessageTop(msg smtpd.Message, lineCount int) {
reader, err := msg.RawReader()
defer reader.Close()
if err != nil {
ses.error("Failed to read message for RETR command")
ses.logError("Failed to read message for RETR command")
ses.send("-ERR Failed to RETR that message, internal error")
return
}
@@ -484,7 +484,7 @@ func (ses *Session) sendMessageTop(msg smtpd.Message, lineCount int) {
}
if err = scanner.Err(); err != nil {
ses.error("Failed to read message for RETR command")
ses.logError("Failed to read message for RETR command")
ses.send(".")
ses.send("-ERR Failed to RETR that message, internal error")
return
@@ -497,7 +497,7 @@ func (ses *Session) loadMailbox() {
var err error
ses.messages, err = ses.mailbox.GetMessages()
if err != nil {
ses.error("Failed to load messages for %v", ses.user)
ses.logError("Failed to load messages for %v", ses.user)
}
ses.retainAll()
@@ -517,10 +517,10 @@ func (ses *Session) retainAll() {
// indicates that the session was closed cleanly and that deletes should be
// processed.
func (ses *Session) processDeletes() {
ses.info("Processing deletes")
ses.logInfo("Processing deletes")
for i, msg := range ses.messages {
if !ses.retain[i] {
ses.trace("Deleting %v", msg)
ses.logTrace("Deleting %v", msg)
msg.Delete()
}
}
@@ -528,7 +528,7 @@ func (ses *Session) processDeletes() {
func (ses *Session) enterState(state State) {
ses.state = state
ses.trace("Entering state %v", state)
ses.logTrace("Entering state %v", state)
}
// Calculate the next read or write deadline based on maxIdleSeconds
@@ -544,10 +544,10 @@ func (ses *Session) send(msg string) {
}
if _, err := fmt.Fprint(ses.conn, msg+"\r\n"); err != nil {
ses.sendError = err
ses.warn("Failed to send: '%v'", msg)
ses.logWarn("Failed to send: '%v'", msg)
return
}
ses.trace(">> %v >>", msg)
ses.logTrace(">> %v >>", msg)
}
// readByteLine reads a line of input into the provided buffer. Does
@@ -575,7 +575,6 @@ func (ses *Session) readByteLine(buf *bytes.Buffer) error {
// Else, keep looking
}
// Should be unreachable
return nil
}
// Reads a line of input
@@ -587,7 +586,7 @@ func (ses *Session) readLine() (line string, err error) {
if err != nil {
return "", err
}
ses.trace("<< %v <<", strings.TrimRight(line, "\r\n"))
ses.logTrace("<< %v <<", strings.TrimRight(line, "\r\n"))
return line, nil
}
@@ -607,26 +606,26 @@ func (ses *Session) reset() {
func (ses *Session) ooSeq(cmd string) {
ses.send(fmt.Sprintf("-ERR Command %v is out of sequence", cmd))
ses.warn("Wasn't expecting %v here", cmd)
ses.logWarn("Wasn't expecting %v here", cmd)
}
// Session specific logging methods
func (ses *Session) trace(msg string, args ...interface{}) {
log.Trace("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
func (ses *Session) logTrace(msg string, args ...interface{}) {
log.LogTrace("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
}
func (ses *Session) info(msg string, args ...interface{}) {
log.Info("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
func (ses *Session) logInfo(msg string, args ...interface{}) {
log.LogInfo("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
}
func (ses *Session) warn(msg string, args ...interface{}) {
func (ses *Session) logWarn(msg string, args ...interface{}) {
// Update metrics
//expWarnsTotal.Add(1)
log.Warn("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
log.LogWarn("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
}
func (ses *Session) error(msg string, args ...interface{}) {
func (ses *Session) logError(msg string, args ...interface{}) {
// Update metrics
//expErrorsTotal.Add(1)
log.Error("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
log.LogError("POP3<%v> %v", ses.id, fmt.Sprintf(msg, args...))
}