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1 | m4_dnl hcommon.c |
2 | m4_dnl (part of complex test harness, not of the library) |
3 | m4_dnl - routines used for both record and playback |
4 | |
5 | m4_dnl This file is part of adns, which is Copyright (C) 1997, 1998 Ian Jackson |
6 | m4_dnl |
7 | m4_dnl This program is free software; you can redistribute it and/or modify |
8 | m4_dnl it under the terms of the GNU General Public License as published by |
9 | m4_dnl the Free Software Foundation; either version 2, or (at your option) |
10 | m4_dnl any later version. |
11 | m4_dnl |
12 | m4_dnl This program is distributed in the hope that it will be useful, |
13 | m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | m4_dnl GNU General Public License for more details. |
16 | m4_dnl |
17 | m4_dnl You should have received a copy of the GNU General Public License |
18 | m4_dnl along with this program; if not, write to the Free Software Foundation, |
19 | m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
20 | |
21 | m4_include(hmacros.i4) |
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22 | |
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23 | #include <fcntl.h> |
24 | #include <string.h> |
25 | #include <errno.h> |
26 | |
27 | #include <sys/socket.h> |
28 | #include <netinet/in.h> |
29 | #include <arpa/inet.h> |
30 | |
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31 | #include "harness.h" |
32 | #include "internal.h" |
33 | |
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34 | vbuf vb; |
35 | FILE *Toutputfile= 0; |
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36 | struct timeval currenttime; |
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37 | |
38 | const struct Terrno Terrnos[]= { |
39 | { "EAGAIN", EAGAIN }, |
40 | { "EINPROGRESS", EINPROGRESS }, |
41 | { "EINTR", EINTR }, |
42 | { "EINVAL", EINVAL }, |
43 | { "EMSGSIZE", EMSGSIZE }, |
44 | { "ENOBUFS", ENOBUFS }, |
45 | { "ENOENT", ENOENT }, |
46 | { "ENOPROTOOPT", ENOPROTOOPT }, |
47 | { "ENOSPC", ENOSPC }, |
48 | { "EWOULDBLOCK", EWOULDBLOCK }, |
49 | { 0, 0 } |
50 | }; |
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51 | |
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52 | static vbuf vbw; |
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53 | |
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54 | int Hgettimeofday(struct timeval *tv, struct timezone *tz) { |
55 | Tmust("gettimeofday","tz",!tz); |
56 | *tv= currenttime; |
57 | return 0; |
58 | } |
59 | |
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60 | int Hwritev(int fd, const struct iovec *vector, size_t count) { |
61 | size_t i; |
62 | |
63 | vbw.used= 0; |
64 | for (i=0; i<count; i++, vector++) { |
65 | if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem(); |
66 | } |
67 | return Hwrite(fd,vbw.buf,vbw.used); |
68 | } |
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69 | |
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70 | m4_define(`hm_syscall', ` |
71 | hm_create_proto_q |
72 | void Q$1(hm_args_massage($3,void)) { |
73 | |
74 | vb.used= 0; |
75 | Tvba("$1"); |
76 | m4_define(`hm_na',`') |
77 | m4_define(`hm_arg_nullptr',`') |
78 | m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);') |
79 | m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);') |
80 | m4_define(`hm_arg_timeval_in_rel_null', ` |
81 | if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec); |
82 | else Tvba(" $'`1=null");') |
83 | m4_define(`hm_arg_must', `') |
84 | m4_define(`hm_arg_socktype', ` |
85 | Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");') |
86 | m4_define(`hm_arg_ign', `') |
87 | m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);') |
88 | m4_define(`hm_arg_fcntl_cmd_arg', ` |
89 | if ($'`1 == F_SETFL) { |
90 | Tvbf(" $'`1=F_SETFL %ld",arg); |
91 | } else { |
92 | Tvba(" $'`1=F_GETFL"); |
93 | }') |
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94 | m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);') |
95 | m4_define(`hm_arg_bytes_in', `') |
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96 | m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);') |
97 | m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);') |
98 | $3 |
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99 | |
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100 | hm_create_nothing |
101 | m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);') |
102 | $3 |
103 | |
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104 | Q_vb(); |
105 | } |
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106 | ') |
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107 | |
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108 | m4_include(`hsyscalls.i4') |
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109 | |
110 | |
111 | void Tvbaddr(const struct sockaddr *addr, int len) { |
112 | const struct sockaddr_in *ai= (const struct sockaddr_in*)addr; |
113 | |
114 | assert(len==sizeof(struct sockaddr_in)); |
115 | assert(ai->sin_family==AF_INET); |
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116 | Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port)); |
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117 | } |
118 | |
119 | void Tvbbytes(const void *buf, int len) { |
120 | const byte *bp; |
121 | int i; |
122 | |
123 | if (!len) { Tvba(" empty"); return; } |
124 | for (i=0, bp=buf; i<len; i++, bp++) { |
125 | if (!(i&31)) Tvba("\n "); |
126 | else if (!(i&3)) Tvba(" "); |
127 | Tvbf("%02x",*bp); |
128 | } |
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129 | Tvba("."); |
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130 | } |
131 | |
132 | void Tvbfdset(int max, const fd_set *fds) { |
133 | int i; |
134 | const char *comma= ""; |
135 | |
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136 | Tvba("["); |
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137 | for (i=0; i<max; i++) { |
138 | if (!FD_ISSET(i,fds)) continue; |
139 | Tvba(comma); |
140 | Tvbf("%d",i); |
141 | comma= ","; |
142 | } |
143 | Tvba("]"); |
144 | } |
145 | |
146 | void Tvberrno(int e) { |
147 | const struct Terrno *te; |
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148 | |
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149 | for (te= Terrnos; te->n && te->v != e; te++); |
150 | if (te->n) Tvba(te->n); |
151 | else Tvbf("E#%d",e); |
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152 | } |
153 | |
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154 | void Tvba(const char *str) { |
155 | if (!adns__vbuf_appendstr(&vb,str)) Tnomem(); |
156 | } |
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157 | |
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158 | void Tvbvf(const char *fmt, va_list al) { |
159 | char buf[1000]; |
160 | buf[sizeof(buf)-2]= '\t'; |
161 | vsnprintf(buf,sizeof(buf),fmt,al); |
162 | assert(buf[sizeof(buf)-2] == '\t'); |
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163 | |
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164 | Tvba(buf); |
165 | } |
166 | |
167 | void Tvbf(const char *fmt, ...) { |
168 | va_list al; |
169 | va_start(al,fmt); |
170 | Tvbvf(fmt,al); |
171 | va_end(al); |
172 | } |
173 | |
174 | |
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175 | void Tmust(const char *call, const char *arg, int cond) { |
176 | if (cond) return; |
177 | fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg); |
178 | exit(-1); |
179 | } |
180 | |
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181 | void Tfailed(const char *why) { |
182 | fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno)); |
183 | exit(-1); |
184 | } |
185 | |
186 | void Tnomem(void) { |
187 | Tfailed("unable to malloc/realloc"); |
188 | } |
189 | |
190 | void Toutputerr(void) { |
191 | Tfailed("write error on test harness output"); |
192 | } |