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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/****************************************************************
**
** PORTTCP.C - Support for portable TCP/IP
**
****************************************************************/
#define TCPIP_IBM_NOHIDE
#include <stdio.h>
#include "tcpip.h"
/*
* Common unknown error buffer
*/
static char ErrUnknownBuf[36];
#ifndef SockStrError
/****************************************************************
* Routine: SockStrError
* Returns: Pointer to static buffer
* Action : Convert SOCK_ERRNO into error text
****************************************************************/
const char *
SockStrError(int SockErrno)
{
#if defined (TCPIP_IBM) && defined (IBM_CPP)
switch (SockErrno)
{
case SOCEPERM: return "Not owner";
case SOCESRCH: return "No such process";
case SOCEINTR: return "Interrupted system call";
case SOCENXIO: return "No such device or address";
case SOCEBADF: return "Bad file number";
case SOCEACCES: return "Permission denied";
case SOCEFAULT: return "Bad address";
case SOCEINVAL: return "Invalid argument";
case SOCEMFILE: return "Too many open files";
case SOCEPIPE: return "Broken pipe";
case SOCEOS2ERR: return "OS/2 Error";
case SOCEWOULDBLOCK: return "Operation would block";
case SOCEINPROGRESS: return "Operation now in progress";
case SOCEALREADY: return "Operation already in progress";
case SOCENOTSOCK: return "Socket operation on non-socket";
case SOCEDESTADDRREQ: return "Destination address required";
case SOCEMSGSIZE: return "Message too long";
case SOCEPROTOTYPE: return "Protocol wrong type for socket";
case SOCENOPROTOOPT: return "Protocol not available";
case SOCEPROTONOSUPPORT: return "Protocol not supported";
case SOCESOCKTNOSUPPORT: return "Socket type not supported";
case SOCEOPNOTSUPP: return "Operation not supported on socket";
case SOCEPFNOSUPPORT: return "Protocol family not supported";
case SOCEAFNOSUPPORT:
return "Address family not supported by protocol family";
case SOCEADDRINUSE: return "Address already in use";
case SOCEADDRNOTAVAIL: return "Can't assign requested address";
case SOCENETDOWN: return "Network is down";
case SOCENETUNREACH: return "Network is unreachable";
case SOCENETRESET: return "Network dropped connection on reset";
case SOCECONNABORTED: return "Software caused connection abort";
case SOCECONNRESET: return "Connection reset by peer";
case SOCENOBUFS: return "No buffer space available";
case SOCEISCONN: return "Socket is already connected";
case SOCENOTCONN: return "Socket is not connected";
case SOCESHUTDOWN: return "Can't send after socket shutdown";
case SOCETOOMANYREFS: return "Too many references: can't splice";
case SOCETIMEDOUT: return "Connection timed out";
case SOCECONNREFUSED: return "Connection refused";
case SOCELOOP: return "Too many levels of symbolic links";
case SOCENAMETOOLONG: return "File name too long";
case SOCEHOSTDOWN: return "Host is down";
case SOCEHOSTUNREACH: return "No route to host";
case SOCENOTEMPTY: return "Directory not empty";
default:
sprintf( ErrUnknownBuf, "SockStrErrno( %d ) unknown", SockErrno );
return ErrUnknownBuf;
}
#else
#error SockStrError not supported for this OS
#endif
}
#endif /* SockStrError */
/****************************************************************
* Routine: HostStrError
* Returns: Pointer to static buffer
* Action : Convert HOST_ERRNO into error text
****************************************************************/
const char *
HostStrError(int HostErrno)
{
switch (HostErrno)
{
case HOST_NOT_FOUND:
return "Host not found";
case TRY_AGAIN:
return "Host not found (suggest try again)";
case NO_RECOVERY:
return "Non-recoverable error: FORMERR, REFUSED, NOTIMP";
case NO_DATA:
return "No Data (valid name, but no record of requested type)";
default:
sprintf( ErrUnknownBuf, "HostStrErrno( %d ) unknown", HostErrno );
return ErrUnknownBuf;
}
}
#if defined( TCPIP_IBM )
/****************************************************************
* Routine: IbmSockSend
* Returns: same as send
* Action : Do the right thing for IBM TCP/IP which includes
* the following two stupidities:
* 1) Never try to send more than 32K
* 2) Never pass a buffer that crosses a 64K boundary
* If Flags is non-zero, this function only attempts
* to deal with condition (1) above.
****************************************************************/
int
IbmSockSend (int Socket, const void *Buffer, int Len, int Flags)
{
int Sent, ToSend, TotalSent = 0;
const char *Tmp = Buffer;
/*
* If Flags have been passed in, the 64K boundary optimization
* can not be performed. For example, MSG_PEEK would not work
* correctly.
*/
if (Flags)
return send (Socket, (char *) Buffer, min (0x7FFF, Len), Flags);
do
{
/* Never send across a 64K boundary */
ToSend = min (Len, (int) (0x10000 - (0xFFFF & (long) Tmp)));
/* Never send more than 32K */
if (ToSend > 0x7FFF)
ToSend = 0x7FFF;
Sent = send (Socket, (char *) Tmp, ToSend, 0);
if (Sent < 0)
{
if ((TotalSent > 0) && (SOCK_ERRNO == EWOULDBLOCK))
return TotalSent;
if (SOCK_ERRNO == EINTR)
continue;
return Sent;
}
if (Sent < ToSend)
return TotalSent + Sent;
Tmp += Sent;
TotalSent += Sent;
Len -= Sent;
} while (Len > 0);
return TotalSent;
}
/****************************************************************
* Routine: IbmSockRecv
* Returns: same as recv
* Action : Do the right thing for IBM TCP/IP which includes
* the following two stupidities:
* 1) Never try to recv more than 32K
* 2) Never pass a buffer that crosses a 64K boundary
* If Flags is non-zero, this function only attempts
* to deal with condition (1) above.
****************************************************************/
int
IbmSockRecv (int Socket, const void *Buffer, int Len, int Flags)
{
int Recvd, ToRecv, TotalRecvd = 0;
char *Tmp = Buffer;
/* If Flags have been passed in, the 64K boundary optimization
probably can not be performed. */
if (Flags)
return recv (Socket, Buffer, min (0x7FFF, Len), Flags);
do
{
/* Never send across a 64K boundary */
ToRecv = min( Len, (int)( 0x10000 - ( 0xFFFF & (long)Tmp )));
/* Never send more than 32K */
if( ToRecv > 0x7FFF )
ToRecv = 0x7FFF;
Recvd = recv (Socket, Tmp, ToRecv, 0);
if (Recvd <= 0)
{
if ((TotalRecvd > 0)
&& (Recvd == 0 || (SOCK_ERRNO == EWOULDBLOCK )))
return TotalRecvd;
if (SOCK_ERRNO == EINTR)
continue;
return Recvd;
}
if (Recvd < ToRecv)
return TotalRecvd + Recvd;
Tmp += Recvd;
TotalRecvd += Recvd;
Len -= Recvd;
} while (Len > 0);
return TotalRecvd;
}
#endif /* defined( TCPIP_IBM ) */
|
