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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 | |
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5 | m4_dnl This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson |
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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);') |
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80 | m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);') |
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81 | m4_define(`hm_arg_timeval_in_rel_null', ` |
82 | if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec); |
83 | else Tvba(" $'`1=null");') |
84 | m4_define(`hm_arg_must', `') |
85 | m4_define(`hm_arg_socktype', ` |
86 | Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");') |
87 | m4_define(`hm_arg_ign', `') |
88 | m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);') |
89 | m4_define(`hm_arg_fcntl_cmd_arg', ` |
90 | if ($'`1 == F_SETFL) { |
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91 | Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&..."); |
92 | } else if ($'`1 == F_GETFL) { |
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93 | Tvba(" $'`1=F_GETFL"); |
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94 | } else { |
95 | Tmust("$'`1","F_GETFL/F_SETFL",0); |
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96 | }') |
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97 | m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);') |
98 | m4_define(`hm_arg_bytes_in', `') |
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99 | m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);') |
100 | m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);') |
101 | $3 |
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102 | |
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103 | hm_create_nothing |
104 | m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);') |
105 | $3 |
106 | |
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107 | Q_vb(); |
108 | } |
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109 | ') |
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110 | |
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111 | m4_include(`hsyscalls.i4') |
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112 | |
113 | |
114 | void Tvbaddr(const struct sockaddr *addr, int len) { |
115 | const struct sockaddr_in *ai= (const struct sockaddr_in*)addr; |
116 | |
117 | assert(len==sizeof(struct sockaddr_in)); |
118 | assert(ai->sin_family==AF_INET); |
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119 | Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port)); |
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120 | } |
121 | |
122 | void Tvbbytes(const void *buf, int len) { |
123 | const byte *bp; |
124 | int i; |
125 | |
126 | if (!len) { Tvba(" empty"); return; } |
127 | for (i=0, bp=buf; i<len; i++, bp++) { |
128 | if (!(i&31)) Tvba("\n "); |
129 | else if (!(i&3)) Tvba(" "); |
130 | Tvbf("%02x",*bp); |
131 | } |
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132 | Tvba("."); |
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133 | } |
134 | |
135 | void Tvbfdset(int max, const fd_set *fds) { |
136 | int i; |
137 | const char *comma= ""; |
138 | |
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139 | Tvba("["); |
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140 | for (i=0; i<max; i++) { |
141 | if (!FD_ISSET(i,fds)) continue; |
142 | Tvba(comma); |
143 | Tvbf("%d",i); |
144 | comma= ","; |
145 | } |
146 | Tvba("]"); |
147 | } |
148 | |
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149 | static void Tvbpollevents(int events) { |
150 | const char *delim= ""; |
151 | |
152 | events &= (POLLIN|POLLOUT|POLLPRI); |
153 | if (!events) { Tvba("0"); return; } |
154 | if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; } |
155 | if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; } |
156 | if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); } |
157 | } |
158 | |
159 | void Tvbpollfds(const struct pollfd *fds, int nfds) { |
160 | const char *comma= ""; |
161 | |
162 | Tvba("["); |
163 | while (nfds>0) { |
164 | Tvba(comma); |
165 | Tvbf("{fd=%d, events=",fds->fd); |
166 | Tvbpollevents(fds->events); |
167 | Tvba(", revents="); |
168 | Tvbpollevents(fds->revents); |
169 | Tvba("}"); |
170 | comma= ", "; |
171 | nfds--; fds++; |
172 | } |
173 | Tvba("]"); |
174 | } |
175 | |
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176 | void Tvberrno(int e) { |
177 | const struct Terrno *te; |
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178 | |
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179 | for (te= Terrnos; te->n && te->v != e; te++); |
180 | if (te->n) Tvba(te->n); |
181 | else Tvbf("E#%d",e); |
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182 | } |
183 | |
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184 | void Tvba(const char *str) { |
185 | if (!adns__vbuf_appendstr(&vb,str)) Tnomem(); |
186 | } |
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187 | |
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188 | void Tvbvf(const char *fmt, va_list al) { |
189 | char buf[1000]; |
190 | buf[sizeof(buf)-2]= '\t'; |
191 | vsnprintf(buf,sizeof(buf),fmt,al); |
192 | assert(buf[sizeof(buf)-2] == '\t'); |
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193 | |
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194 | Tvba(buf); |
195 | } |
196 | |
197 | void Tvbf(const char *fmt, ...) { |
198 | va_list al; |
199 | va_start(al,fmt); |
200 | Tvbvf(fmt,al); |
201 | va_end(al); |
202 | } |
203 | |
204 | |
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205 | void Tmust(const char *call, const char *arg, int cond) { |
206 | if (cond) return; |
207 | fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg); |
208 | exit(-1); |
209 | } |
210 | |
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211 | void Tfailed(const char *why) { |
212 | fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno)); |
213 | exit(-1); |
214 | } |
215 | |
216 | void Tnomem(void) { |
217 | Tfailed("unable to malloc/realloc"); |
218 | } |
219 | |
220 | void Toutputerr(void) { |
221 | Tfailed("write error on test harness output"); |
222 | } |