]>
Commit | Line | Data |
---|---|---|
1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/protocol/protocol.h | |
3 | // Purpose: Protocol base class | |
4 | // Author: Guilhem Lavaux | |
5 | // Modified by: | |
6 | // Created: 10/07/1997 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1997, 1998 Guilhem Lavaux | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_PROTOCOL_PROTOCOL_H | |
13 | #define _WX_PROTOCOL_PROTOCOL_H | |
14 | ||
15 | #include "wx/defs.h" | |
16 | ||
17 | #if wxUSE_PROTOCOL | |
18 | ||
19 | #include "wx/object.h" | |
20 | #include "wx/string.h" | |
21 | #include "wx/stream.h" | |
22 | ||
23 | #if wxUSE_SOCKETS | |
24 | #include "wx/socket.h" | |
25 | #endif | |
26 | ||
27 | class WXDLLIMPEXP_FWD_NET wxProtocolLog; | |
28 | ||
29 | // ---------------------------------------------------------------------------- | |
30 | // constants | |
31 | // ---------------------------------------------------------------------------- | |
32 | ||
33 | typedef enum | |
34 | { | |
35 | wxPROTO_NOERR = 0, | |
36 | wxPROTO_NETERR, | |
37 | wxPROTO_PROTERR, | |
38 | wxPROTO_CONNERR, | |
39 | wxPROTO_INVVAL, | |
40 | wxPROTO_NOHNDLR, | |
41 | wxPROTO_NOFILE, | |
42 | wxPROTO_ABRT, | |
43 | wxPROTO_RCNCT, | |
44 | wxPROTO_STREAMING | |
45 | } wxProtocolError; | |
46 | ||
47 | // ---------------------------------------------------------------------------- | |
48 | // wxProtocol: abstract base class for all protocols | |
49 | // ---------------------------------------------------------------------------- | |
50 | ||
51 | class WXDLLIMPEXP_NET wxProtocol | |
52 | #if wxUSE_SOCKETS | |
53 | : public wxSocketClient | |
54 | #else | |
55 | : public wxObject | |
56 | #endif | |
57 | { | |
58 | public: | |
59 | wxProtocol(); | |
60 | virtual ~wxProtocol(); | |
61 | ||
62 | #if wxUSE_SOCKETS | |
63 | bool Reconnect(); | |
64 | virtual bool Connect( const wxString& WXUNUSED(host) ) { return false; } | |
65 | virtual bool Connect( const wxSockAddress& addr, bool WXUNUSED(wait) = true) | |
66 | { return wxSocketClient::Connect(addr); } | |
67 | ||
68 | // read a '\r\n' terminated line from the given socket and put it in | |
69 | // result (without the terminators) | |
70 | static wxProtocolError ReadLine(wxSocketBase *socket, wxString& result); | |
71 | ||
72 | // read a line from this socket - this one can be overridden in the | |
73 | // derived classes if different line termination convention is to be used | |
74 | virtual wxProtocolError ReadLine(wxString& result); | |
75 | #endif // wxUSE_SOCKETS | |
76 | ||
77 | virtual bool Abort() = 0; | |
78 | virtual wxInputStream *GetInputStream(const wxString& path) = 0; | |
79 | virtual wxString GetContentType() const = 0; | |
80 | ||
81 | // the error code | |
82 | virtual wxProtocolError GetError() const { return m_lastError; } | |
83 | ||
84 | void SetUser(const wxString& user) { m_username = user; } | |
85 | void SetPassword(const wxString& passwd) { m_password = passwd; } | |
86 | ||
87 | virtual void SetDefaultTimeout(wxUint32 Value); | |
88 | ||
89 | // override wxSocketBase::SetTimeout function to avoid that the internal | |
90 | // m_uiDefaultTimeout goes out-of-sync: | |
91 | virtual void SetTimeout(long seconds) | |
92 | { SetDefaultTimeout(seconds); } | |
93 | ||
94 | ||
95 | // logging support: each wxProtocol object may have the associated logger | |
96 | // (by default there is none) which is used to log network requests and | |
97 | // responses | |
98 | ||
99 | // set the logger, deleting the old one and taking ownership of this one | |
100 | void SetLog(wxProtocolLog *log); | |
101 | ||
102 | // return the current logger, may be NULL | |
103 | wxProtocolLog *GetLog() const { return m_log; } | |
104 | ||
105 | // detach the existing logger without deleting it, the caller is | |
106 | // responsible for deleting the returned pointer if it's non-NULL | |
107 | wxProtocolLog *DetachLog() | |
108 | { | |
109 | wxProtocolLog * const log = m_log; | |
110 | m_log = NULL; | |
111 | return log; | |
112 | } | |
113 | ||
114 | // these functions forward to the same functions with the same names in | |
115 | // wxProtocolLog if we have a valid logger and do nothing otherwise | |
116 | void LogRequest(const wxString& str); | |
117 | void LogResponse(const wxString& str); | |
118 | ||
119 | protected: | |
120 | // the timeout associated with the protocol: | |
121 | wxUint32 m_uiDefaultTimeout; | |
122 | ||
123 | wxString m_username; | |
124 | wxString m_password; | |
125 | ||
126 | // this must be always updated by the derived classes! | |
127 | wxProtocolError m_lastError; | |
128 | ||
129 | private: | |
130 | wxProtocolLog *m_log; | |
131 | ||
132 | DECLARE_DYNAMIC_CLASS_NO_COPY(wxProtocol) | |
133 | }; | |
134 | ||
135 | // ---------------------------------------------------------------------------- | |
136 | // macros for protocol classes | |
137 | // ---------------------------------------------------------------------------- | |
138 | ||
139 | #define DECLARE_PROTOCOL(class) \ | |
140 | public: \ | |
141 | static wxProtoInfo g_proto_##class; | |
142 | ||
143 | #define IMPLEMENT_PROTOCOL(class, name, serv, host) \ | |
144 | wxProtoInfo class::g_proto_##class(name, serv, host, wxCLASSINFO(class)); \ | |
145 | bool wxProtocolUse##class = true; | |
146 | ||
147 | #define USE_PROTOCOL(class) \ | |
148 | extern bool wxProtocolUse##class ; \ | |
149 | static struct wxProtocolUserFor##class \ | |
150 | { \ | |
151 | wxProtocolUserFor##class() { wxProtocolUse##class = true; } \ | |
152 | } wxProtocolDoUse##class; | |
153 | ||
154 | class WXDLLIMPEXP_NET wxProtoInfo : public wxObject | |
155 | { | |
156 | public: | |
157 | wxProtoInfo(const wxChar *name, | |
158 | const wxChar *serv_name, | |
159 | const bool need_host1, | |
160 | wxClassInfo *info); | |
161 | ||
162 | protected: | |
163 | wxProtoInfo *next; | |
164 | wxString m_protoname; | |
165 | wxString prefix; | |
166 | wxString m_servname; | |
167 | wxClassInfo *m_cinfo; | |
168 | bool m_needhost; | |
169 | ||
170 | friend class wxURL; | |
171 | ||
172 | DECLARE_DYNAMIC_CLASS(wxProtoInfo) | |
173 | wxDECLARE_NO_COPY_CLASS(wxProtoInfo); | |
174 | }; | |
175 | ||
176 | #endif // wxUSE_PROTOCOL | |
177 | ||
178 | #endif // _WX_PROTOCOL_PROTOCOL_H |