WvStreams
wvtcp.h
1 /* -*- Mode: C++ -*-
2  * Worldvisions Weaver Software:
3  * Copyright (C) 1997-2002 Net Integration Technologies, Inc.
4  *
5  * WvStream-based TCP connection and server classes.
6  */
7 #ifndef __WVTCP_H
8 #define __WVTCP_H
9 
10 #include "wvautoconf.h"
11 #include <stdio.h>
12 #if HAVE_SYS_TYPES_H
13 # include <sys/types.h>
14 #endif
15 #if STDC_HEADERS
16 # include <stdlib.h>
17 # include <stddef.h>
18 #else
19 # if HAVE_STDLIB_H
20 # include <stdlib.h>
21 # endif
22 #endif
23 #if HAVE_SYS_SOCKET_H
24 # include <sys/socket.h>
25 #endif
26 
27 #include "wvfdstream.h"
28 #include "wvaddr.h"
29 #include "wvresolver.h"
30 
31 
32 class WvTCPListener;
33 
39 class WvTCPConn : public WvFDStream
40 {
41  friend class WvTCPListener;
42 protected:
43  bool resolved, connected;
44  WvString hostname;
45  bool incoming;
46  WvIPPortAddr remaddr;
47  WvResolver dns;
48 
50  WvTCPConn(int _fd, const WvIPPortAddr &_remaddr);
51 
53  void do_connect();
54 
56  void check_resolver();
57 
58 public:
64  WvTCPConn(const WvIPPortAddr &_remaddr);
65 
67  WvTCPConn(WvStringParm _hostname, uint16_t _port = 0);
68 
73  virtual ~WvTCPConn();
74 
79  void nice_tcpopts();
80 
85  void low_delay();
86 
91  void debug_mode();
92 
99 
104  virtual const WvIPPortAddr *src() const;
105 
107  bool isconnected() const
108  { return connected; }
109 
111  virtual void pre_select(SelectInfo &si);
112 
117  virtual bool post_select(SelectInfo &si);
118 
123  virtual bool isok() const;
124 
125 protected:
126  virtual size_t uwrite(const void *buf, size_t count);
127 
128 public:
129  const char *wstype() const { return "WvTCPConn"; }
130 };
131 
132 
133 #endif // __WVTCP_H