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storage: Message refactoring for #69

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- Message interface renamed to StoreMessage
- Message.Delete becomes Store.RemoveMessage
- Added deleted message tracking to Store stub for #80
This commit is contained in:
James Hillyerd
2018-03-11 15:01:40 -07:00
parent 12ad0cb3f0
commit 487e491d6f
11 changed files with 190 additions and 118 deletions
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28
pkg/server/pop3/handler.go
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@@ -57,17 +57,17 @@ var commands = map[string]bool{
// Session defines an active POP3 session
type Session struct {
server *Server // Reference to the server we belong to
id int // Session ID number
conn net.Conn // Our network connection
remoteHost string // IP address of client
sendError error // Used to bail out of read loop on send error
state State // Current session state
reader *bufio.Reader // Buffered reader for our net conn
user string // Mailbox name
messages []storage.Message // Slice of messages in mailbox
retain []bool // Messages to retain upon UPDATE (true=retain)
msgCount int // Number of undeleted messages
server *Server // Reference to the server we belong to
id int // Session ID number
conn net.Conn // Our network connection
remoteHost string // IP address of client
sendError error // Used to bail out of read loop on send error
state State // Current session state
reader *bufio.Reader // Buffered reader for our net conn
user string // Mailbox name
messages []storage.StoreMessage // Slice of messages in mailbox
retain []bool // Messages to retain upon UPDATE (true=retain)
msgCount int // Number of undeleted messages
}
// NewSession creates a new POP3 session
@@ -415,7 +415,7 @@ func (ses *Session) transactionHandler(cmd string, args []string) {
}
// Send the contents of the message to the client
func (ses *Session) sendMessage(msg storage.Message) {
func (ses *Session) sendMessage(msg storage.StoreMessage) {
reader, err := msg.RawReader()
if err != nil {
ses.logError("Failed to read message for RETR command")
@@ -448,7 +448,7 @@ func (ses *Session) sendMessage(msg storage.Message) {
}
// Send the headers plus the top N lines to the client
func (ses *Session) sendMessageTop(msg storage.Message, lineCount int) {
func (ses *Session) sendMessageTop(msg storage.StoreMessage, lineCount int) {
reader, err := msg.RawReader()
if err != nil {
ses.logError("Failed to read message for RETR command")
@@ -522,7 +522,7 @@ func (ses *Session) processDeletes() {
for i, msg := range ses.messages {
if !ses.retain[i] {
ses.logTrace("Deleting %v", msg)
if err := msg.Delete(); err != nil {
if err := ses.server.dataStore.RemoveMessage(ses.user, msg.ID()); err != nil {
ses.logWarn("Error deleting %v: %v", msg, err)
}
}