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1 office 1 /*---------------------------------------------------------------
2 * Copyright (c) 1999,2000,2001,2002,2003
3 * The Board of Trustees of the University of Illinois
4 * All Rights Reserved.
5 *---------------------------------------------------------------
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software (Iperf) and associated
8 * documentation files (the "Software"), to deal in the Software
9 * without restriction, including without limitation the
10 * rights to use, copy, modify, merge, publish, distribute,
11 * sublicense, and/or sell copies of the Software, and to permit
12 * persons to whom the Software is furnished to do
13 * so, subject to the following conditions:
14 *
15 *
16 * Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and
18 * the following disclaimers.
19 *
20 *
21 * Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimers in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 *
27 * Neither the names of the University of Illinois, NCSA,
28 * nor the names of its contributors may be used to endorse
29 * or promote products derived from this Software without
30 * specific prior written permission.
31 *
32 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
34 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
35 * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT
36 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
37 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
38 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE
39 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 * ________________________________________________________________
41 * National Laboratory for Applied Network Research
42 * National Center for Supercomputing Applications
43 * University of Illinois at Urbana-Champaign
44 * http://www.ncsa.uiuc.edu
45 * ________________________________________________________________
46 *
47 * util.h
48 * by Mark Gates <mgates@nlanr.net>
49 * -------------------------------------------------------------------
50 * various C utility functions.
51 * ------------------------------------------------------------------- */
52  
53 #ifndef UTIL_H
54 #define UTIL_H
55  
56 #ifdef HAVE_CONFIG_H
57 #include "config.h"
58 #endif
59  
60 #ifdef __cplusplus
61 extern "C" {
62 #endif
63  
64 /* -------------------------------------------------------------------
65 * set/getsockopt wrappers for SO_RCVBUF and SO_SNDBUF; TCP_MAXSEG
66 * socket.c
67 * ------------------------------------------------------------------- */
68 int setsock_tcp_windowsize( int inSock, int inTCPWin, int inSend );
69 int getsock_tcp_windowsize( int inSock, int inSend );
70  
71 void setsock_tcp_mss( int inSock, int inTCPWin );
72 int getsock_tcp_mss( int inSock );
73 bool setsock_blocking(int fd, bool blocking);
74  
75 /* -------------------------------------------------------------------
76 * signal handlers
77 * signal.c
78 * ------------------------------------------------------------------- */
79 typedef void Sigfunc(int);
80 void sig_exit( int inSigno );
81  
82 typedef Sigfunc *SigfuncPtr;
83  
84 SigfuncPtr my_signal( int inSigno, SigfuncPtr inFunc );
85  
86 #ifdef WIN32
87  
88 #ifdef HAVE_SIGNAL_H
89 #define _NSIG NSIG
90 #else
91 /* under windows, emulate unix signals */
92 enum {
93 SIGINT,
94 SIGTERM,
95 SIGPIPE,
96 _NSIG
97 };
98 #endif
99  
100 BOOL WINAPI sig_dispatcher( DWORD type );
101  
102 #endif
103  
104 /* -------------------------------------------------------------------
105 * error handlers
106 * error.c
107 * ------------------------------------------------------------------- */
108 void warn ( const char *inMessage, const char *inFile, int inLine );
109 void warn_errno( const char *inMessage, const char *inFile, int inLine );
110  
111 #if defined( HAVE_POSIX_THREAD ) || defined( HAVE_WIN32_THREAD)
112 #define FAIL( cond, msg, settings ) \
113 do { \
114 if ( cond ) { \
115 warn( msg, __FILE__, __LINE__ ); \
116 thread_stop(settings); \
117 } \
118 } while( 0 )
119 #else
120 #define FAIL( cond, msg, settings ) \
121 do { \
122 if ( cond ) { \
123 warn( msg, __FILE__, __LINE__ ); \
124 exit( 1 ); \
125 } \
126 } while( 0 )
127 #endif
128  
129 #define WARN( cond, msg ) \
130 do { \
131 if ( cond ) { \
132 warn( msg, __FILE__, __LINE__ ); \
133 } \
134 } while( 0 )
135  
136 #if defined( HAVE_POSIX_THREAD ) || defined( HAVE_WIN32_THREAD)
137 #define FAIL_errno( cond, msg, settings ) \
138 do { \
139 if ( cond ) { \
140 warn_errno( msg, __FILE__, __LINE__ ); \
141 thread_stop(settings); \
142 } \
143 } while( 0 )
144 #else
145 #define FAIL_errno( cond, msg, settings ) \
146 do { \
147 if ( cond ) { \
148 warn_errno( msg, __FILE__, __LINE__ ); \
149 exit( 1 ); \
150 } \
151 } while( 0 )
152 #endif
153  
154 #define WARN_errno( cond, msg ) \
155 do { \
156 if ( cond ) { \
157 warn_errno( msg, __FILE__, __LINE__ ); \
158 } \
159 } while( 0 )
160  
161 /* -------------------------------------------------------------------
162 * initialize buffer to a pattern
163 * ------------------------------------------------------------------- */
164 void pattern( char *outBuf, int inBytes );
165  
166 /* -------------------------------------------------------------------
167 * input and output numbers, converting with kilo, mega, giga
168 * stdio.c
169 * ------------------------------------------------------------------- */
170 double byte_atof( const char *inString );
171 max_size_t byte_atoi( const char *inString );
172 void byte_snprintf( char* outString, int inLen, double inNum, char inFormat );
173  
174 /* -------------------------------------------------------------------
175 * redirect the stdout to a specified file
176 * stdio.c
177 * ------------------------------------------------------------------- */
178 void redirect(const char *inOutputFileName);
179  
180 /* -------------------------------------------------------------------
181 * delete macro
182 * ------------------------------------------------------------------- */
183 #define DELETE_PTR( ptr ) \
184 do { \
185 if ( ptr != NULL ) { \
186 delete ptr; \
187 ptr = NULL; \
188 } \
189 } while( false )
190  
191 #define DELETE_ARRAY( ptr ) \
192 do { \
193 if ( ptr != NULL ) { \
194 delete [] ptr; \
195 ptr = NULL; \
196 } \
197 } while( false )
198  
199 #ifdef __cplusplus
200 } /* end extern "C" */
201 #endif
202  
203 #endif /* UTIL_H */
204