| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: term_redirect.cc |
| 4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 6 | // |
| 7 | // The above named program is free software; you can redistribute it and/or |
| 8 | // modify it under the terms of the GNU General Public |
| 9 | // License version 2 as published by the Free Software Foundation. |
| 10 | // |
| 11 | // The above named program is distributed in the hope that it will be |
| 12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | // General Public License for more details. |
| 15 | // |
| 16 | // You should have received a copy of the GNU General Public |
| 17 | // License along with this work; if not, write to the Free Software |
| 18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | // |
| 20 | // ========== Copyright Header End ============================================ |
| 21 | /* |
| 22 | * Copyright (C) 2001 Sun Microsystems, Inc. |
| 23 | * All rights reserved. |
| 24 | */ |
| 25 | #pragma ident "@(#)1.6 07/11/19 term_redirect.cc" |
| 26 | |
| 27 | // |
| 28 | // This file contains an implementation of console I/O |
| 29 | // redirection |
| 30 | // |
| 31 | |
| 32 | #include <sys/types.h> |
| 33 | #include <sys/stat.h> |
| 34 | #include <sys/time.h> |
| 35 | #include <assert.h> |
| 36 | #include <fcntl.h> |
| 37 | #include <stdio.h> |
| 38 | #include <stdlib.h> |
| 39 | #include <strings.h> |
| 40 | #include <stropts.h> |
| 41 | #include <unistd.h> |
| 42 | #include <sys/wait.h> |
| 43 | #include <signal.h> |
| 44 | #include <thread.h> |
| 45 | |
| 46 | #include "types.h" |
| 47 | #include "blaze_globals.h" |
| 48 | #include "term.h" |
| 49 | #include "ui.h" |
| 50 | #include "fileutil.h" |
| 51 | |
| 52 | #define MAXCURSTR 256 |
| 53 | #define MAXCTXT 128 |
| 54 | |
| 55 | //////////////////////////////////////////////// |
| 56 | |
| 57 | typedef struct term_redirect_t |
| 58 | { |
| 59 | char * script_name; |
| 60 | char current_string [MAXCURSTR]; |
| 61 | char str [MAXCTXT]; |
| 62 | char *pstr; |
| 63 | char pattern [MAXCTXT]; |
| 64 | char *ptail; |
| 65 | char unix_command [MAXCURSTR]; |
| 66 | uint32_t idx; |
| 67 | FILE *fp; |
| 68 | cond_t trd_cond; |
| 69 | mutex_t trd_lock; |
| 70 | |
| 71 | mutex_t uc_lock; |
| 72 | volatile bool_t unix_command_sent; |
| 73 | bool_t unix_command_nready; |
| 74 | |
| 75 | } TermRedirect; |
| 76 | |
| 77 | static TermRedirect *ptrd = NULL; |
| 78 | |
| 79 | #ifdef __cplusplus |
| 80 | extern "C" { |
| 81 | #endif |
| 82 | void * console_input_start (void *); |
| 83 | #ifdef __cplusplus |
| 84 | } |
| 85 | #endif |
| 86 | |
| 87 | //////////////////////////////////////////////// |
| 88 | |
| 89 | char *term_redirect_get_file () |
| 90 | { |
| 91 | if (ptrd) { |
| 92 | return ptrd->script_name; |
| 93 | } |
| 94 | else { |
| 95 | return NULL; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | //////////////////////////////////////////////// |
| 100 | |
| 101 | void * console_input_start (void *arg) |
| 102 | { |
| 103 | int idx = 0; |
| 104 | |
| 105 | ui->verbose("console input interceptor started ... \n"); |
| 106 | |
| 107 | for (;;) { |
| 108 | mutex_lock (&ptrd->trd_lock); |
| 109 | cond_wait(&ptrd->trd_cond, &ptrd->trd_lock); |
| 110 | ptrd->unix_command [idx = strlen(ptrd->unix_command)] = 0xD; |
| 111 | ptrd->unix_command [idx + 1] = 0x0; |
| 112 | sleep (1); |
| 113 | term_fake_input ((uint8_t *)ptrd->unix_command, idx + 1, 0); |
| 114 | mutex_unlock (&ptrd->trd_lock); |
| 115 | |
| 116 | mutex_lock (&ptrd->uc_lock); |
| 117 | ptrd->unix_command_sent = TRUE; |
| 118 | mutex_unlock (&ptrd->uc_lock); |
| 119 | |
| 120 | } |
| 121 | return NULL; |
| 122 | } |
| 123 | |
| 124 | //////////////////////////////////////////////// |
| 125 | |
| 126 | void init_term_redirect (char *fname) |
| 127 | { |
| 128 | FILE *fp = fopen (fname , "r"); |
| 129 | thread_t tid; |
| 130 | |
| 131 | if (fp == NULL) { |
| 132 | ui->error("file not found <%s> \n", fname); |
| 133 | return; |
| 134 | } |
| 135 | ptrd = (TermRedirect*) calloc (1, sizeof(TermRedirect)); |
| 136 | ptrd->fp = fp; |
| 137 | ptrd->script_name = (char*)strdup(fname); |
| 138 | |
| 139 | while (ptrd->pstr = fgets(ptrd->str, MAXCTXT - 2, ptrd->fp)) { |
| 140 | if ((ptrd->ptail = get_substr_until (ptrd->str, ptrd->pattern, ':')) != NULL) { |
| 141 | mutex_init(&ptrd->trd_lock, USYNC_THREAD, (void*)NULL); |
| 142 | mutex_init(&ptrd->uc_lock, USYNC_THREAD, (void*)NULL); |
| 143 | cond_init(&ptrd->trd_cond, USYNC_THREAD, (void *)NULL); |
| 144 | thr_create(NULL, NULL, console_input_start, (void*)ptrd, THR_BOUND, &tid); |
| 145 | return; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | free ((char*)ptrd); |
| 150 | ptrd = NULL; |
| 151 | return; |
| 152 | } |
| 153 | |
| 154 | //////////////////////////////////////////////// |
| 155 | |
| 156 | void term_redirect_add (uint8_t c) |
| 157 | { |
| 158 | char *ps; |
| 159 | |
| 160 | if (ptrd) { |
| 161 | |
| 162 | if ((ptrd->pstr == NULL)) { |
| 163 | free ((char*)ptrd); |
| 164 | ptrd = NULL; |
| 165 | ui->verbose("Console script is processed; return to terminal \n"); |
| 166 | return; |
| 167 | } |
| 168 | |
| 169 | if ((c == 0xD) || (c == 0xA) || (c == 0) || (ptrd->idx >= MAXCURSTR - 2)) { |
| 170 | ptrd->idx = 0; |
| 171 | ptrd->current_string[0] = '\0'; |
| 172 | } |
| 173 | else { |
| 174 | ptrd->current_string[ptrd->idx++] = c; |
| 175 | ptrd->current_string[ptrd->idx] = '\0'; |
| 176 | |
| 177 | if ( strstr ((const char *)ptrd->current_string, (const char *)ptrd->pattern)) { |
| 178 | |
| 179 | if (!ptrd->unix_command_nready) { |
| 180 | if (get_quoted_substr (ptrd->ptail, ptrd->unix_command)) { |
| 181 | mutex_lock (&ptrd->trd_lock); |
| 182 | cond_signal(&ptrd->trd_cond); |
| 183 | mutex_unlock (&ptrd->trd_lock); |
| 184 | } |
| 185 | ptrd->unix_command_nready = TRUE; |
| 186 | } |
| 187 | |
| 188 | if (!ptrd->unix_command_sent) { |
| 189 | return; |
| 190 | } |
| 191 | |
| 192 | ptrd->unix_command_nready = FALSE; |
| 193 | ptrd->unix_command_sent = FALSE; |
| 194 | |
| 195 | while (ptrd->pstr = fgets (ptrd->str, MAXCTXT - 2, ptrd->fp)) { |
| 196 | if ((ptrd->ptail = get_substr_until (ptrd->str, ptrd->pattern, ':')) != NULL) { |
| 197 | return; |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | else { |
| 202 | if (ptrd->unix_command_nready) { |
| 203 | ptrd->unix_command_nready = FALSE; |
| 204 | ptrd->unix_command_sent = FALSE; |
| 205 | while (ptrd->pstr = fgets (ptrd->str, MAXCTXT - 2, ptrd->fp)) { |
| 206 | if ((ptrd->ptail = get_substr_until (ptrd->str, ptrd->pattern, ':')) != NULL) { |
| 207 | return; |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | } |
| 212 | } |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | //////////////////////////////////////////////// |
| 217 | |
| 218 | |
| 219 | |
| 220 | |
| 221 | |
| 222 | |