1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsMailboxProtocol_h___
#define nsMailboxProtocol_h___
#include "mozilla/Attributes.h"
#include "nsMsgProtocol.h"
#include "nsCOMPtr.h"
#include "nsIFile.h"
#include "nsIChannel.h"
#include "nsIInputStreamPump.h"
#include "nsIOutputStream.h"
#include "nsIMailboxUrl.h"
// State Flags (Note, I use the word state in terms of storing
// state information about the connection (authentication, have we sent
// commands, etc. I do not intend it to refer to protocol state)
#define MAILBOX_PAUSE_FOR_READ 0x00000001 /* should we pause for the next read */
#define MAILBOX_MSG_PARSE_FIRST_LINE 0x00000002 /* have we read in the first line of the msg */
/* states of the machine
*/
typedef enum _MailboxStatesEnum {
MAILBOX_READ_FOLDER,
MAILBOX_FINISH_OPEN_FOLDER,
MAILBOX_OPEN_MESSAGE,
MAILBOX_OPEN_STREAM,
MAILBOX_READ_MESSAGE,
MAILBOX_COMPRESS_FOLDER,
MAILBOX_FINISH_COMPRESS_FOLDER,
MAILBOX_BACKGROUND,
MAILBOX_NULL,
MAILBOX_NULL2,
MAILBOX_DELIVER_QUEUED,
MAILBOX_FINISH_DELIVER_QUEUED,
MAILBOX_DONE,
MAILBOX_ERROR_DONE,
MAILBOX_FREE,
MAILBOX_COPY_MESSAGES,
MAILBOX_FINISH_COPY_MESSAGES
} MailboxStatesEnum;
class nsMsgLineStreamBuffer;
class nsMailboxProtocol : public nsMsgProtocol
{
public:
// Creating a protocol instance requires the URL which needs to be run AND it requires
// a transport layer.
explicit nsMailboxProtocol(nsIURI * aURL);
virtual ~nsMailboxProtocol();
// initialization function given a new url and transport layer
nsresult Initialize(nsIURI * aURL);
// the consumer of the url might be something like an nsIDocShell....
virtual nsresult LoadUrl(nsIURI * aURL, nsISupports * aConsumer) override;
////////////////////////////////////////////////////////////////////////////////////////
// we suppport the nsIStreamListener interface
////////////////////////////////////////////////////////////////////////////////////////
NS_IMETHOD OnStartRequest(nsIRequest *request, nsISupports *ctxt) override;
NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports *ctxt, nsresult aStatus) override;
private:
nsCOMPtr<nsIMailboxUrl> m_runningUrl; // the nsIMailboxURL that is currently running
nsMailboxAction m_mailboxAction; // current mailbox action associated with this connnection...
uint64_t m_msgOffset;
// Event sink handles
nsCOMPtr<nsIStreamListener> m_mailboxParser;
// Local state for the current operation
nsMsgLineStreamBuffer * m_lineStreamBuffer; // used to efficiently extract lines from the incoming data stream
// Generic state information -- What state are we in? What state do we want to go to
// after the next response? What was the last response code? etc.
MailboxStatesEnum m_nextState;
MailboxStatesEnum m_initialState;
int64_t mCurrentProgress;
// can we just use the base class m_tempMsgFile?
nsCOMPtr<nsIFile> m_tempMessageFile;
nsCOMPtr<nsIOutputStream> m_msgFileOutputStream;
// this is used to hold the source mailbox file open when move/copying
// multiple messages.
nsCOMPtr<nsIInputStream> m_multipleMsgMoveCopyStream;
virtual nsresult ProcessProtocolState(nsIURI * url, nsIInputStream * inputStream,
uint64_t sourceOffset, uint32_t length) override;
virtual nsresult CloseSocket() override;
nsresult SetupMessageExtraction();
nsresult OpenMultipleMsgTransport(uint64_t offset, int32_t size);
bool RunningMultipleMsgUrl();
////////////////////////////////////////////////////////////////////////////////////////
// Protocol Methods --> This protocol is state driven so each protocol method is
// designed to re-act to the current "state". I've attempted to
// group them together based on functionality.
////////////////////////////////////////////////////////////////////////////////////////
// When parsing a mailbox folder in chunks, this protocol state reads in the current chunk
// and forwards it to the mailbox parser.
int32_t ReadFolderResponse(nsIInputStream * inputStream, uint64_t sourceOffset, uint32_t length);
int32_t ReadMessageResponse(nsIInputStream * inputStream, uint64_t sourceOffset, uint32_t length);
nsresult DoneReadingMessage();
////////////////////////////////////////////////////////////////////////////////////////
// End of Protocol Methods
////////////////////////////////////////////////////////////////////////////////////////
};
#endif // nsMailboxProtocol_h___
|
