usr/src/cmd/scadm/sparc/mpxu/common/modem_setup.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 /*
  30  * modem_setup.c: support for the scadm modem_setup option (access to the
  31  * service processor modem - if present)
  32  */
  33
  34 #include <curses.h>
  35 #include <libintl.h>
  36 #include <pthread.h>
  37 #include <signal.h>
  38 #include <stdio.h>
  39 #include <string.h>
  40 #include <time.h>  /* required by librsc.h */
  41 #include <unistd.h>
  42
  43 #include "librsc.h"
  44 #include "adm.h"
  45
  46
  47 extern char *ADM_Get_Var(char *Variable);
  48
  49 static void ADM_Send_Char(char  C);
  50 static void ADM_Modem_Listen();
  51 static void cleanup();
  52
  53
  54 typedef enum {ST_RESET, ST_IDLE, ST_TILDA} ADM_state_t;
  55
  56 static int ADM_Continue;
  57 static int winOn = 0;
  58 static pthread_t modemListen;
  59
  60
  61 void
  62 ADM_Process_modem_setup()
  63 {
  64         rscp_msg_t      msg;
  65         struct timespec timeout;
  66
  67         int             Input;
  68         ADM_state_t     State;
  69         int             exitLoop = 1;
  70         char            rsc_escape[2];
  71         char            string[40];
  72
  73
  74         ADM_Start();
  75
  76         msg.type = DP_MODEM_CONNECT;
  77         msg.len  = 0;
  78         msg.data = NULL;
  79         ADM_Send(&msg);
  80
  81         timeout.tv_nsec = 0;
  82         timeout.tv_sec  = ADM_TIMEOUT;
  83         ADM_Recv(&msg, &timeout, DP_MODEM_CONNECT_R,
  84             sizeof (dp_modem_connect_r_t));
  85         if (*(int *)msg.data != DP_MODEM_PASS) {
  86                 (void) fprintf(stderr, "\n%s\n\n",
  87                     gettext("scadm: could not connect to modem"));
  88                 exit(-1);
  89         }
  90         ADM_Free(&msg);
  91
  92         /* Get the escape char BEFORE starting up the "listen" thread */
  93         (void) strcpy(rsc_escape, ADM_Get_Var("escape_char"));
  94
  95
  96         /* Create Listening Thread */
  97         ADM_Continue = 1;
  98         if (pthread_create(&modemListen, NULL,
  99             (void * (*)(void *))ADM_Modem_Listen, (void *)NULL) != 0) {
 100                 (void) fprintf(stderr, "\n%s\n\n",
 101                     gettext("scadm: couldn't create thread"));
 102                 exit(-1);
 103         }
 104
 105         if (signal(SIGINT, cleanup) == SIG_ERR) {
 106                 (void) fprintf(stderr, "\n%s\n\n",
 107                     gettext("scadm: cleanup() registration failed"));
 108                 ADM_Continue = 0;
 109                 exit(-1);
 110         }
 111
 112
 113         (void) sprintf(string, gettext("... Type %s. to return to prompt ..."),
 114             rsc_escape);
 115         Input = 0;
 116         State = ST_RESET;
 117         winOn = 1;
 118         initscr();
 119         noecho();
 120         printw("\n%s\n\n", string);
 121
 122         while (exitLoop) {
 123                 while ((Input = getch()) == ERR);
 124
 125                 if (Input == 10) {
 126                         State = ST_RESET;
 127                         ADM_Send_Char('\n');
 128                         ADM_Send_Char('\r');
 129                         continue;
 130                 }
 131
 132                 switch (State) {
 133                         case ST_RESET:
 134                                 if ((char)Input == rsc_escape[0]) {
 135                                         State = ST_TILDA;
 136                                 } else {
 137                                         State = ST_IDLE;
 138                                         ADM_Send_Char((char)Input);
 139                                 }
 140                                 break;
 141
 142                         case ST_IDLE:
 143                                 ADM_Send_Char((char)Input);
 144                                 break;
 145
 146                         case ST_TILDA:
 147                                 if ((char)Input == '.') {
 148                                         ADM_Send_Char('~');
 149                                         ADM_Send_Char('.');
 150                                         exitLoop = 0;
 151                                 } else {
 152                                         State = ST_IDLE;
 153                                         ADM_Send_Char((char)Input);
 154                                 }
 155                                 break;
 156
 157                         default:
 158                                 State = ST_IDLE;
 159                                 ADM_Send_Char((char)Input);
 160                 }
 161         }
 162         endwin();
 163         winOn = 0;
 164
 165         /* Terminate Thread */
 166         ADM_Continue = 0;
 167         (void) sleep(3);        /* Make sure thread has time to 'see' */
 168                                 /* termination */
 169
 170         msg.type = DP_MODEM_DISCONNECT;
 171         msg.len  = 0;
 172         msg.data = NULL;
 173         ADM_Send(&msg);
 174
 175         timeout.tv_nsec = 0;
 176         timeout.tv_sec  = ADM_TIMEOUT;
 177         ADM_Recv(&msg, &timeout, DP_MODEM_DISCONNECT_R,
 178             sizeof (dp_modem_disconnect_r_t));
 179         if (*(int *)msg.data != DP_MODEM_PASS) {
 180                 (void) fprintf(stderr, "\n%s\n\n",
 181                     gettext("scadm: could not disconnect from modem"));
 182                 ADM_Continue = 0;
 183                 exit(-1);
 184         }
 185         ADM_Free(&msg);
 186
 187         pthread_join(modemListen, NULL);
 188
 189 }
 190
 191
 192 static void
 193 ADM_Send_Char(char C)
 194 {
 195         rscp_msg_t      Message;
 196         char            Data[2];
 197
 198         Data[0] = C;
 199         Data[1] = 0x0;
 200         Message.type = DP_MODEM_DATA;
 201         Message.len  = 2;
 202         Message.data = Data;
 203
 204         if (rscp_send(&Message) != 0) {
 205                 (void) fprintf(stderr, "\n%s\n\n",
 206                     gettext("scadm: Unable to send modem data to SC"));
 207                 if (winOn)
 208                         endwin();
 209                 ADM_Continue = 0;
 210                 exit(-1);
 211         }
 212 }
 213
 214
 215 static void
 216 ADM_Modem_Listen()
 217 {
 218         rscp_msg_t      Message;
 219         struct timespec Timeout;
 220
 221
 222         while (ADM_Continue) {
 223                 Timeout.tv_nsec = 500000000;
 224                 Timeout.tv_sec  = 0;
 225                 if (rscp_recv(&Message, &Timeout) != 0) {
 226                         continue;
 227                 }
 228
 229                 if (Message.type != DP_MODEM_DATA) {
 230                         (void) fprintf(stderr, "\n%s: 0x%08x:0x%08lx\n\n",
 231                             gettext("scadm: SC returned garbage"),
 232                             Message.type, Message.len);
 233                         exit(-1);
 234                 }
 235
 236                 (void) printf("%s", (char *)Message.data);
 237                 (void) fflush(stdout);
 238                 ADM_Free(&Message);
 239         }
 240 }
 241
 242
 243 static void
 244 cleanup()
 245 {
 246         rscp_msg_t      msg;
 247         struct timespec timeout;
 248
 249
 250         if (winOn)
 251                 endwin();
 252
 253         /* Terminate Thread */
 254         ADM_Continue = 0;
 255
 256         msg.type = DP_MODEM_DISCONNECT;
 257         msg.len  = 0;
 258         msg.data = NULL;
 259         ADM_Send(&msg);
 260
 261         timeout.tv_nsec = 0;
 262         timeout.tv_sec  = ADM_TIMEOUT;
 263         ADM_Recv(&msg, &timeout, DP_MODEM_DISCONNECT_R,
 264             sizeof (dp_modem_disconnect_r_t));
 265         if (*(int *)msg.data != DP_MODEM_PASS) {
 266                 (void) fprintf(stderr, "\n%s\n\n",
 267                     gettext("scadm: could not disconnect from modem"));
 268                 exit(-1);
 269         }
 270         ADM_Free(&msg);
 271
 272         pthread_join(modemListen, NULL);
 273
 274         exit(-1);
 275 }