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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/protocol/protocol.h | |
3 | // Purpose: interface of wxProtocol | |
4 | // Author: wxWidgets team | |
5 | // RCS-ID: $Id$ | |
6 | // Licence: wxWindows licence | |
7 | ///////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | /** | |
10 | Error values returned by wxProtocol. | |
11 | */ | |
12 | enum wxProtocolError | |
13 | { | |
14 | wxPROTO_NOERR = 0, //!< No error. | |
15 | wxPROTO_NETERR, //!< A generic network error occurred. | |
16 | wxPROTO_PROTERR, //!< An error occurred during negotiation. | |
17 | wxPROTO_CONNERR, //!< The client failed to connect the server. | |
18 | wxPROTO_INVVAL, //!< Invalid value. | |
19 | wxPROTO_NOHNDLR, //!< Not currently used. | |
20 | wxPROTO_NOFILE, //!< The remote file doesn't exist. | |
21 | wxPROTO_ABRT, //!< Last action aborted. | |
22 | wxPROTO_RCNCT, //!< An error occurred during reconnection. | |
23 | wxPROTO_STREAMING //!< Someone tried to send a command during a transfer. | |
24 | }; | |
25 | ||
26 | /** | |
27 | @class wxProtocol | |
28 | ||
29 | Represents a protocol for use with wxURL. | |
30 | ||
31 | Note that you may want to change the default time-out for HTTP/FTP connections | |
32 | and network operations (using SetDefaultTimeout()) since the default time-out | |
33 | value is quite long (60 seconds). | |
34 | ||
35 | @library{wxnet} | |
36 | @category{net} | |
37 | ||
38 | @see wxSocketBase, wxURL | |
39 | */ | |
40 | class wxProtocol : public wxSocketClient | |
41 | { | |
42 | public: | |
43 | /** | |
44 | Abort the current stream. | |
45 | ||
46 | @warning | |
47 | It is advised to destroy the input stream instead of aborting the stream | |
48 | this way. | |
49 | ||
50 | @return Returns @true, if successful, else @false. | |
51 | */ | |
52 | virtual bool Abort() = 0; | |
53 | ||
54 | /** | |
55 | Returns the type of the content of the last opened stream. It is a mime-type. | |
56 | May be an empty string if the content-type is unknown. | |
57 | */ | |
58 | virtual wxString GetContentType() const; | |
59 | ||
60 | /** | |
61 | Returns the last occurred error. | |
62 | ||
63 | @see wxProtocolError | |
64 | */ | |
65 | virtual wxProtocolError GetError() const; | |
66 | ||
67 | /** | |
68 | Creates a new input stream on the specified path. | |
69 | ||
70 | You can use all but seek() functionality of wxStream. | |
71 | Seek() isn't available on all streams. For example, HTTP or FTP streams | |
72 | don't deal with it. Other functions like StreamSize() and Tell() aren't | |
73 | available for the moment for this sort of stream. | |
74 | You will be notified when the EOF is reached by an error. | |
75 | ||
76 | @return Returns the initialized stream. You will have to delete it | |
77 | yourself once you don't use it anymore. The destructor | |
78 | closes the network connection. | |
79 | ||
80 | @see wxInputStream | |
81 | */ | |
82 | virtual wxInputStream* GetInputStream(const wxString& path) = 0; | |
83 | ||
84 | /** | |
85 | Tries to reestablish a previous opened connection (close and renegotiate | |
86 | connection). | |
87 | ||
88 | @return @true, if the connection is established, else @false. | |
89 | */ | |
90 | bool Reconnect(); | |
91 | ||
92 | /** | |
93 | Sets the authentication password. | |
94 | */ | |
95 | virtual void SetPassword(const wxString& user); | |
96 | ||
97 | /** | |
98 | Sets the authentication user. | |
99 | */ | |
100 | virtual void SetUser(const wxString& user); | |
101 | ||
102 | /** | |
103 | Sets a new default timeout for the network operations. | |
104 | ||
105 | The default timeout is 60 seconds. | |
106 | ||
107 | @see wxSocketBase::SetTimeout | |
108 | */ | |
109 | void SetDefaultTimeout(wxUint32 Value); | |
110 | ||
111 | /** | |
112 | @name Logging support. | |
113 | ||
114 | Each wxProtocol object may have the associated logger (by default there | |
115 | is none) which is used to log network requests and responses. | |
116 | ||
117 | @see wxProtocolLog | |
118 | */ | |
119 | //@{ | |
120 | ||
121 | /** | |
122 | Set the logger, deleting the old one and taking ownership of this one. | |
123 | ||
124 | @param log | |
125 | New logger allocated on the heap or @NULL. | |
126 | */ | |
127 | void SetLog(wxProtocolLog *log); | |
128 | ||
129 | /** | |
130 | Return the current logger, may be @NULL. | |
131 | */ | |
132 | wxProtocolLog *GetLog() const { return m_log; } | |
133 | ||
134 | /** | |
135 | Detach the existing logger without deleting it. | |
136 | ||
137 | The caller is responsible for deleting the returned pointer if it's | |
138 | non-@c NULL. | |
139 | */ | |
140 | wxProtocolLog *DetachLog(); | |
141 | ||
142 | /** | |
143 | Call wxProtocolLog::LogRequest() if we have a valid logger or do | |
144 | nothing otherwise. | |
145 | */ | |
146 | void LogRequest(const wxString& str); | |
147 | ||
148 | /** | |
149 | Call wxProtocolLog::LogResponse() if we have a valid logger or do | |
150 | nothing otherwise. | |
151 | */ | |
152 | void LogResponse(const wxString& str); | |
153 | ||
154 | //@} | |
155 | }; | |
156 |