director.c revision 1.2
1 /* $NetBSD: director.c,v 1.2 2011/04/11 22:37:10 joerg Exp $ */ 2 3 /*- 4 * Copyright 2009 Brett Lymn <blymn (at) NetBSD.org> 5 * 6 * All rights reserved. 7 * 8 * This code has been donated to The NetBSD Foundation by the Author. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software withough specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * 30 */ 31 32 #include <fcntl.h> 33 #include <unistd.h> 34 #include <termios.h> 35 #include <signal.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include "returns.h" 40 41 #define DEF_TERMPATH "." 42 #define DEF_TERM "atf" 43 #define DEF_SLAVE "./slave" 44 45 char *def_check_path = "./"; /* default check path */ 46 char *def_include_path = "./"; /* default include path */ 47 48 extern size_t nvars; /* In testlang_conf.y */ 49 saved_data_t saved_output; /* In testlang_conf.y */ 50 int cmdpipe[2]; /* command pipe between director and slave */ 51 int slvpipe[2]; /* reply pipe back from slave */ 52 int master; /* pty to the slave */ 53 int verbose; /* control verbosity of tests */ 54 char *check_path; /* path to prepend to check files for output 55 validation */ 56 char *include_path; /* path to prepend to include files */ 57 char *cur_file; /* name of file currently being read */ 58 59 void init_parse_variables(int); /* in testlang_parse.y */ 60 61 /* 62 * Handle the slave exiting unexpectedly, try to recover the exit message 63 * and print it out. 64 */ 65 void 66 slave_died(int param) 67 { 68 char last_words[256]; 69 int count; 70 71 fprintf(stderr, "ERROR: Slave has exited\n"); 72 if (saved_output.count > 0) { 73 fprintf(stderr, "output from slave: "); 74 for (count = 0; count < saved_output.count; count ++) { 75 if (isprint(saved_output.data[count])) 76 fprintf(stderr, "%c", saved_output.data[count]); 77 } 78 fprintf(stderr, "\n"); 79 } 80 81 if ((count = read(master, &last_words, 255)) > 0) { 82 last_words[count] = '\0'; 83 fprintf(stderr, "slave exited with message \"%s\"\n", 84 last_words); 85 } 86 87 exit(2); 88 } 89 90 91 static void 92 usage(char *name) 93 { 94 fprintf(stderr, "Curses automated test director\n"); 95 fprintf(stderr, "%s [-v] [-p termcappath] [-s pathtoslave] [-t term]" 96 " commandfile\n", name); 97 fprintf(stderr, " where:\n"); 98 fprintf(stderr, " -v enables verbose test output\n"); 99 fprintf(stderr, " termcappath is the path to the directory" 100 "holding the termpcap file\n"); 101 fprintf(stderr, " pathtoslave is the path to the slave exectuable\n"); 102 fprintf(stderr, " term is value to set TERM to for the test\n"); 103 fprintf(stderr, " commandfile is a file of test directives\n"); 104 exit(2); 105 } 106 107 108 int 109 main(int argc, char *argv[]) 110 { 111 extern char *optarg; 112 extern int optind; 113 char *termpath, *term, *slave; 114 int ch; 115 pid_t slave_pid; 116 extern FILE *yyin; 117 char *arg1, *arg2, *arg3, *arg4; 118 struct termios term_attr; 119 int slavefd, on; 120 121 termpath = term = slave = NULL; 122 verbose = 0; 123 124 while ((ch = getopt(argc, argv, "vp:s:t:")) != -1) { 125 switch(ch) { 126 case 'p': 127 asprintf(&termpath, "%s", optarg); 128 break; 129 case 's': 130 asprintf(&slave, "%s", optarg); 131 break; 132 case 't': 133 asprintf(&term, "%s", optarg); 134 break; 135 case 'v': 136 verbose = 1; 137 break; 138 case '?': 139 default: 140 usage(argv[0]); 141 break; 142 } 143 } 144 145 if (termpath == NULL) 146 asprintf(&termpath, "%s", DEF_TERMPATH); 147 148 if (slave == NULL) 149 asprintf(&slave, "%s", DEF_SLAVE); 150 151 if (term == NULL) 152 asprintf(&term, "%s", DEF_TERM); 153 154 argc -= optind; 155 if (argc < 1) 156 usage(argv[0]); 157 158 signal(SIGCHLD, slave_died); 159 160 argv += optind; 161 162 if (setenv("TERM", term, 1) != 0) 163 err(2, "Failed to set TERM variable"); 164 165 check_path = getenv("CHECK_PATH"); 166 if ((check_path == NULL) || (check_path[0] == '\0')) { 167 fprintf(stderr, 168 "WARNING: CHECK_PATH not set, defaulting to %s\n", 169 def_check_path); 170 check_path = def_check_path; 171 } 172 173 include_path = getenv("INCLUDE_PATH"); 174 if ((include_path == NULL) || (include_path[0] == '\0')) { 175 fprintf(stderr, 176 "WARNING: INCLUDE_PATH not set, defaulting to %s\n", 177 def_include_path); 178 include_path = def_include_path; 179 } 180 181 if (pipe(cmdpipe) < 0) { 182 fprintf(stderr, "Command pipe creation failed: "); 183 perror(NULL); 184 exit(2); 185 } 186 187 if (pipe(slvpipe) < 0) { 188 fprintf(stderr, "Slave pipe creation failed: "); 189 perror(NULL); 190 exit(2); 191 } 192 193 if (tcgetattr(0, &term_attr) < 0) 194 err(2, "Failed to get term attributes"); 195 196 if ((slave_pid = forkpty(&master, NULL, &term_attr, NULL)) < 0) { 197 fprintf(stderr, "Fork of pty for slave failed\n"); 198 exit(2); 199 } 200 201 if (slave_pid == 0) { 202 /* slave side, just exec the slave process */ 203 if (asprintf(&arg1, "%d", cmdpipe[0]) < 0) 204 err(1, "arg1 conversion failed"); 205 206 if (asprintf(&arg2, "%d", cmdpipe[1]) < 0) 207 err(1, "arg2 conversion failed"); 208 209 if (asprintf(&arg3, "%d", slvpipe[0]) < 0) 210 err(1, "arg3 conversion failed"); 211 212 if (asprintf(&arg4, "%d", slvpipe[1]) < 0) 213 err(1, "arg4 conversion failed"); 214 215 if (execl(slave, slave, arg1, arg2, arg3, arg4, NULL) < 0) { 216 fprintf(stderr, "Exec of slave %s failed: ", slave); 217 perror(NULL); 218 exit(2); 219 } 220 221 /* NOT REACHED */ 222 } 223 224 fcntl(master, F_SETFL, O_NONBLOCK); 225 226 if ((yyin = fopen(argv[0], "r")) == NULL) { 227 fprintf(stderr, "Cannot open command file %s: ", argv[0]); 228 perror(NULL); 229 exit(2); 230 } 231 232 if ((cur_file = malloc(strlen(argv[0]) + 1)) == NULL) 233 err(2, "Failed to alloc memory for test file name"); 234 235 strlcpy(cur_file, argv[0], strlen(argv[0]) + 1); 236 237 init_parse_variables(1); 238 239 yyparse(); 240 fclose(yyin); 241 242 exit(0); 243 } 244
Indexes created Mon Sep 29 21:09:56 GMT 2025