13006ec67SBrian Somers /*- 23006ec67SBrian Somers * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 33006ec67SBrian Somers * All rights reserved. 43006ec67SBrian Somers * 53006ec67SBrian Somers * Redistribution and use in source and binary forms, with or without 63006ec67SBrian Somers * modification, are permitted provided that the following conditions 73006ec67SBrian Somers * are met: 83006ec67SBrian Somers * 1. Redistributions of source code must retain the above copyright 93006ec67SBrian Somers * notice, this list of conditions and the following disclaimer. 103006ec67SBrian Somers * 2. Redistributions in binary form must reproduce the above copyright 113006ec67SBrian Somers * notice, this list of conditions and the following disclaimer in the 123006ec67SBrian Somers * documentation and/or other materials provided with the distribution. 133006ec67SBrian Somers * 143006ec67SBrian Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 153006ec67SBrian Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 163006ec67SBrian Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 173006ec67SBrian Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 183006ec67SBrian Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 193006ec67SBrian Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 203006ec67SBrian Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 213006ec67SBrian Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 223006ec67SBrian Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 233006ec67SBrian Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 243006ec67SBrian Somers * SUCH DAMAGE. 253006ec67SBrian Somers * 26c5a5a6caSBrian Somers * $Id: datalink.c,v 1.1.2.5 1998/02/16 19:10:59 brian Exp $ 273006ec67SBrian Somers */ 283006ec67SBrian Somers 293006ec67SBrian Somers #include <sys/param.h> 303006ec67SBrian Somers #include <netinet/in.h> 313006ec67SBrian Somers 323006ec67SBrian Somers #include <alias.h> 333006ec67SBrian Somers #include <stdlib.h> 343006ec67SBrian Somers #include <string.h> 353006ec67SBrian Somers #include <termios.h> 363006ec67SBrian Somers 373006ec67SBrian Somers #include "command.h" 383006ec67SBrian Somers #include "mbuf.h" 393006ec67SBrian Somers #include "log.h" 403006ec67SBrian Somers #include "defs.h" 413006ec67SBrian Somers #include "loadalias.h" 423006ec67SBrian Somers #include "vars.h" 433006ec67SBrian Somers #include "timer.h" 443006ec67SBrian Somers #include "fsm.h" 453006ec67SBrian Somers #include "lcp.h" 463006ec67SBrian Somers #include "descriptor.h" 473006ec67SBrian Somers #include "hdlc.h" 483006ec67SBrian Somers #include "async.h" 493006ec67SBrian Somers #include "throughput.h" 503006ec67SBrian Somers #include "link.h" 513006ec67SBrian Somers #include "physical.h" 523006ec67SBrian Somers #include "bundle.h" 533006ec67SBrian Somers #include "chat.h" 543006ec67SBrian Somers #include "datalink.h" 553006ec67SBrian Somers #include "ccp.h" 563006ec67SBrian Somers #include "main.h" 573006ec67SBrian Somers #include "modem.h" 583006ec67SBrian Somers #include "iplist.h" 593006ec67SBrian Somers #include "ipcp.h" 603006ec67SBrian Somers 613006ec67SBrian Somers static void 623006ec67SBrian Somers datalink_OpenTimeout(void *v) 633006ec67SBrian Somers { 643006ec67SBrian Somers struct datalink *dl = (struct datalink *)v; 653006ec67SBrian Somers 663006ec67SBrian Somers StopTimer(&dl->dial_timer); 673006ec67SBrian Somers if (dl->state == DATALINK_OPENING) 683006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Redial timer expired.\n", dl->name); 693006ec67SBrian Somers } 703006ec67SBrian Somers 713006ec67SBrian Somers static void 723006ec67SBrian Somers datalink_StartDialTimer(struct datalink *dl, int Timeout) 733006ec67SBrian Somers { 743006ec67SBrian Somers StopTimer(&dl->dial_timer); 753006ec67SBrian Somers 763006ec67SBrian Somers if (Timeout) { 773006ec67SBrian Somers dl->dial_timer.state = TIMER_STOPPED; 783006ec67SBrian Somers if (Timeout > 0) 793006ec67SBrian Somers dl->dial_timer.load = Timeout * SECTICKS; 803006ec67SBrian Somers else 81e718d1d7SBrian Somers dl->dial_timer.load = (random() % DIAL_TIMEOUT) * SECTICKS; 823006ec67SBrian Somers dl->dial_timer.func = datalink_OpenTimeout; 833006ec67SBrian Somers dl->dial_timer.arg = dl; 843006ec67SBrian Somers StartTimer(&dl->dial_timer); 853006ec67SBrian Somers if (dl->state == DATALINK_OPENING) 863006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Enter pause (%d) for redialing.\n", 873006ec67SBrian Somers dl->name, Timeout); 883006ec67SBrian Somers } 893006ec67SBrian Somers } 903006ec67SBrian Somers 913006ec67SBrian Somers static void 923006ec67SBrian Somers datalink_HangupDone(struct datalink *dl) 933006ec67SBrian Somers { 943006ec67SBrian Somers modem_Close(dl->physical); 953006ec67SBrian Somers 963006ec67SBrian Somers if (!dl->dial_tries || (dl->dial_tries < 0 && !dl->reconnect_tries)) { 973006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering CLOSED state\n", dl->name); 983006ec67SBrian Somers dl->state = DATALINK_CLOSED; 993006ec67SBrian Somers dl->dial_tries = -1; 1003006ec67SBrian Somers dl->reconnect_tries = 0; 1013006ec67SBrian Somers bundle_LinkClosed(dl->bundle, dl); 102c5a5a6caSBrian Somers datalink_StartDialTimer(dl, dl->dial_timeout); 1033006ec67SBrian Somers } else { 1043006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering OPENING state\n", dl->name); 1053006ec67SBrian Somers dl->state = DATALINK_OPENING; 106abff9baeSBrian Somers if (dl->dial_tries < 0) { 107abff9baeSBrian Somers datalink_StartDialTimer(dl, dl->reconnect_timeout); 108e718d1d7SBrian Somers dl->dial_tries = dl->max_dial; 109abff9baeSBrian Somers dl->reconnect_tries--; 110abff9baeSBrian Somers } else { 111abff9baeSBrian Somers dl->dial_tries--; 1123006ec67SBrian Somers if (VarNextPhone == NULL) 113e718d1d7SBrian Somers datalink_StartDialTimer(dl, dl->dial_timeout); 1143006ec67SBrian Somers else 115e718d1d7SBrian Somers datalink_StartDialTimer(dl, dl->dial_next_timeout); 1163006ec67SBrian Somers } 117abff9baeSBrian Somers } 118abff9baeSBrian Somers } 1193006ec67SBrian Somers 120c5a5a6caSBrian Somers static void 121c5a5a6caSBrian Somers datalink_LoginDone(struct datalink *dl) 122c5a5a6caSBrian Somers { 123c5a5a6caSBrian Somers dl->dial_tries = 0; 124c5a5a6caSBrian Somers if (modem_Raw(dl->physical, dl->bundle) < 0) { 125c5a5a6caSBrian Somers LogPrintf(LogWARN, "datalink_LoginDone: Not connected.\n"); 126c5a5a6caSBrian Somers if (dl->script.run) { 127c5a5a6caSBrian Somers LogPrintf(LogPHASE, "%s: Entering HANGUP state\n", dl->name); 128c5a5a6caSBrian Somers dl->state = DATALINK_HANGUP; 129c5a5a6caSBrian Somers modem_Offline(dl->physical); 130c5a5a6caSBrian Somers chat_Init(&dl->chat, dl->physical, dl->script.hangup, 1); 131c5a5a6caSBrian Somers } else 132c5a5a6caSBrian Somers datalink_HangupDone(dl); 133c5a5a6caSBrian Somers } else { 134c5a5a6caSBrian Somers LogPrintf(LogPHASE, "%s: Entering OPEN state\n", dl->name); 135c5a5a6caSBrian Somers dl->state = DATALINK_OPEN; 136c5a5a6caSBrian Somers dl->dial_tries = -1; 137c5a5a6caSBrian Somers if (dl->script.packetmode) 138c5a5a6caSBrian Somers PacketMode(dl->bundle, VarOpenMode); 139c5a5a6caSBrian Somers } 140c5a5a6caSBrian Somers } 141c5a5a6caSBrian Somers 1423006ec67SBrian Somers static int 1433006ec67SBrian Somers datalink_UpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e, 1443006ec67SBrian Somers int *n) 1453006ec67SBrian Somers { 1463006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 1473006ec67SBrian Somers int result; 1483006ec67SBrian Somers 149310c3babSBrian Somers result = 0; 1503006ec67SBrian Somers switch (dl->state) { 1513006ec67SBrian Somers case DATALINK_CLOSED: 152310c3babSBrian Somers break; 1533006ec67SBrian Somers 1543006ec67SBrian Somers case DATALINK_OPENING: 1553006ec67SBrian Somers if (dl->dial_timer.state != TIMER_RUNNING) { 1563006ec67SBrian Somers if (--dl->dial_tries < 0) 1573006ec67SBrian Somers dl->dial_tries = 0; 1583006ec67SBrian Somers if (modem_Open(dl->physical, dl->bundle) >= 0) { 159c5a5a6caSBrian Somers if (dl->script.run) { 1603006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering DIAL state\n", dl->name); 1613006ec67SBrian Somers dl->state = DATALINK_DIAL; 1625b8b8060SBrian Somers chat_Init(&dl->chat, dl->physical, dl->script.dial, 1); 163e718d1d7SBrian Somers if (!(mode & MODE_DDIAL) && dl->max_dial) 1643006ec67SBrian Somers LogPrintf(LogCHAT, "%s: Dial attempt %u of %d\n", 165e718d1d7SBrian Somers dl->name, dl->max_dial - dl->dial_tries, dl->max_dial); 166c5a5a6caSBrian Somers } else 167c5a5a6caSBrian Somers datalink_LoginDone(dl); 1683006ec67SBrian Somers } else { 169e718d1d7SBrian Somers if (!(mode & MODE_DDIAL) && dl->max_dial) 1703006ec67SBrian Somers LogPrintf(LogCHAT, "Failed to open modem (attempt %u of %d)\n", 171e718d1d7SBrian Somers dl->max_dial - dl->dial_tries, dl->max_dial); 1723006ec67SBrian Somers else 1733006ec67SBrian Somers LogPrintf(LogCHAT, "Failed to open modem\n"); 1743006ec67SBrian Somers 175e718d1d7SBrian Somers if (!(mode & MODE_DDIAL) && dl->max_dial && dl->dial_tries == 0) { 1763006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering CLOSED state\n", dl->name); 1773006ec67SBrian Somers dl->state = DATALINK_CLOSED; 1783006ec67SBrian Somers dl->reconnect_tries = 0; 1793006ec67SBrian Somers dl->dial_tries = -1; 1805b8b8060SBrian Somers bundle_LinkClosed(dl->bundle, dl); 181c5a5a6caSBrian Somers } 182e718d1d7SBrian Somers datalink_StartDialTimer(dl, dl->dial_timeout); 1833006ec67SBrian Somers } 1843006ec67SBrian Somers } 185310c3babSBrian Somers break; 1863006ec67SBrian Somers 1873006ec67SBrian Somers case DATALINK_HANGUP: 1883006ec67SBrian Somers case DATALINK_DIAL: 1893006ec67SBrian Somers case DATALINK_LOGIN: 1903006ec67SBrian Somers result = descriptor_UpdateSet(&dl->chat.desc, r, w, e, n); 1913006ec67SBrian Somers switch (dl->chat.state) { 1923006ec67SBrian Somers case CHAT_DONE: 1933006ec67SBrian Somers /* script succeeded */ 1943006ec67SBrian Somers switch(dl->state) { 1953006ec67SBrian Somers case DATALINK_HANGUP: 1963006ec67SBrian Somers datalink_HangupDone(dl); 1973006ec67SBrian Somers break; 1983006ec67SBrian Somers case DATALINK_DIAL: 1993006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering LOGIN state\n", dl->name); 2003006ec67SBrian Somers dl->state = DATALINK_LOGIN; 2015b8b8060SBrian Somers chat_Init(&dl->chat, dl->physical, dl->script.login, 0); 2023006ec67SBrian Somers break; 2033006ec67SBrian Somers case DATALINK_LOGIN: 204c5a5a6caSBrian Somers datalink_LoginDone(dl); 2053006ec67SBrian Somers break; 2063006ec67SBrian Somers } 2073006ec67SBrian Somers break; 2083006ec67SBrian Somers case CHAT_FAILED: 2093006ec67SBrian Somers /* Going down - script failed */ 2103006ec67SBrian Somers LogPrintf(LogWARN, "Chat script failed\n"); 2113006ec67SBrian Somers switch(dl->state) { 2123006ec67SBrian Somers case DATALINK_HANGUP: 2133006ec67SBrian Somers datalink_HangupDone(dl); 2143006ec67SBrian Somers break; 2153006ec67SBrian Somers case DATALINK_DIAL: 2163006ec67SBrian Somers case DATALINK_LOGIN: 2173006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering HANGUP state\n", dl->name); 2183006ec67SBrian Somers dl->state = DATALINK_HANGUP; 2193006ec67SBrian Somers modem_Offline(dl->physical); 2205b8b8060SBrian Somers chat_Init(&dl->chat, dl->physical, dl->script.hangup, 1); 2213006ec67SBrian Somers break; 2223006ec67SBrian Somers } 2233006ec67SBrian Somers break; 2243006ec67SBrian Somers } 2253006ec67SBrian Somers break; 2263006ec67SBrian Somers case DATALINK_OPEN: 2273006ec67SBrian Somers result = descriptor_UpdateSet(&dl->physical->desc, r, w, e, n); 2283006ec67SBrian Somers break; 2293006ec67SBrian Somers } 2303006ec67SBrian Somers return result; 2313006ec67SBrian Somers } 2323006ec67SBrian Somers 2333006ec67SBrian Somers static int 2343006ec67SBrian Somers datalink_IsSet(struct descriptor *d, fd_set *fdset) 2353006ec67SBrian Somers { 2363006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 2373006ec67SBrian Somers 2383006ec67SBrian Somers switch (dl->state) { 2393006ec67SBrian Somers case DATALINK_CLOSED: 2403006ec67SBrian Somers break; 2413006ec67SBrian Somers case DATALINK_HANGUP: 2423006ec67SBrian Somers case DATALINK_DIAL: 2433006ec67SBrian Somers case DATALINK_LOGIN: 2443006ec67SBrian Somers return descriptor_IsSet(&dl->chat.desc, fdset); 2453006ec67SBrian Somers case DATALINK_OPEN: 2463006ec67SBrian Somers return descriptor_IsSet(&dl->physical->desc, fdset); 2473006ec67SBrian Somers } 2483006ec67SBrian Somers return 0; 2493006ec67SBrian Somers } 2503006ec67SBrian Somers 2513006ec67SBrian Somers static void 2523006ec67SBrian Somers datalink_Read(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 2533006ec67SBrian Somers { 2543006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 2553006ec67SBrian Somers 2563006ec67SBrian Somers switch (dl->state) { 2573006ec67SBrian Somers case DATALINK_CLOSED: 2583006ec67SBrian Somers break; 2593006ec67SBrian Somers case DATALINK_HANGUP: 2603006ec67SBrian Somers case DATALINK_DIAL: 2613006ec67SBrian Somers case DATALINK_LOGIN: 2623006ec67SBrian Somers descriptor_Read(&dl->chat.desc, bundle, fdset); 2633006ec67SBrian Somers break; 2643006ec67SBrian Somers case DATALINK_OPEN: 2653006ec67SBrian Somers descriptor_Read(&dl->physical->desc, bundle, fdset); 2663006ec67SBrian Somers break; 2673006ec67SBrian Somers } 2683006ec67SBrian Somers } 2693006ec67SBrian Somers 2703006ec67SBrian Somers static void 2713006ec67SBrian Somers datalink_Write(struct descriptor *d, const fd_set *fdset) 2723006ec67SBrian Somers { 2733006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 2743006ec67SBrian Somers 2753006ec67SBrian Somers switch (dl->state) { 2763006ec67SBrian Somers case DATALINK_CLOSED: 2773006ec67SBrian Somers break; 2783006ec67SBrian Somers case DATALINK_HANGUP: 2793006ec67SBrian Somers case DATALINK_DIAL: 2803006ec67SBrian Somers case DATALINK_LOGIN: 2813006ec67SBrian Somers descriptor_Write(&dl->chat.desc, fdset); 2823006ec67SBrian Somers break; 2833006ec67SBrian Somers case DATALINK_OPEN: 2843006ec67SBrian Somers descriptor_Write(&dl->physical->desc, fdset); 2853006ec67SBrian Somers break; 2863006ec67SBrian Somers } 2873006ec67SBrian Somers } 2883006ec67SBrian Somers 2893006ec67SBrian Somers struct datalink * 2903006ec67SBrian Somers datalink_Create(const char *name, struct bundle *bundle) 2913006ec67SBrian Somers { 2923006ec67SBrian Somers struct datalink *dl; 2933006ec67SBrian Somers 2943006ec67SBrian Somers dl = (struct datalink *)malloc(sizeof(struct datalink)); 2953006ec67SBrian Somers if (dl == NULL) 2963006ec67SBrian Somers return dl; 2973006ec67SBrian Somers 2983006ec67SBrian Somers dl->desc.type = DATALINK_DESCRIPTOR; 2993006ec67SBrian Somers dl->desc.next = NULL; 3003006ec67SBrian Somers dl->desc.UpdateSet = datalink_UpdateSet; 3013006ec67SBrian Somers dl->desc.IsSet = datalink_IsSet; 3023006ec67SBrian Somers dl->desc.Read = datalink_Read; 3033006ec67SBrian Somers dl->desc.Write = datalink_Write; 3045b8b8060SBrian Somers 305e718d1d7SBrian Somers dl->state = DATALINK_CLOSED; 306e718d1d7SBrian Somers 3075b8b8060SBrian Somers *dl->script.dial = '\0'; 3085b8b8060SBrian Somers *dl->script.login = '\0'; 3095b8b8060SBrian Somers *dl->script.hangup = '\0'; 3105b8b8060SBrian Somers 3113006ec67SBrian Somers dl->bundle = bundle; 3123006ec67SBrian Somers dl->next = NULL; 313e718d1d7SBrian Somers 3143006ec67SBrian Somers memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 315e718d1d7SBrian Somers 3163006ec67SBrian Somers dl->dial_tries = 0; 317e718d1d7SBrian Somers dl->max_dial = 1; 318e718d1d7SBrian Somers dl->dial_timeout = DIAL_TIMEOUT; 319e718d1d7SBrian Somers dl->dial_next_timeout = DIAL_NEXT_TIMEOUT; 320e718d1d7SBrian Somers 321abff9baeSBrian Somers dl->reconnect_tries = 0; 322e718d1d7SBrian Somers dl->max_reconnect = 0; 323abff9baeSBrian Somers dl->reconnect_timeout = RECONNECT_TIMEOUT; 324abff9baeSBrian Somers 3253006ec67SBrian Somers dl->name = strdup(name); 3263006ec67SBrian Somers if ((dl->physical = modem_Create(dl->name)) == NULL) { 3273006ec67SBrian Somers free(dl->name); 3283006ec67SBrian Somers free(dl); 3293006ec67SBrian Somers return NULL; 3303006ec67SBrian Somers } 331c5a5a6caSBrian Somers chat_Init(&dl->chat, dl->physical, NULL, 1); 3323006ec67SBrian Somers 3333006ec67SBrian Somers IpcpDefAddress(); 3343006ec67SBrian Somers LcpInit(dl->bundle, dl->physical); 3353006ec67SBrian Somers CcpInit(dl->bundle, &dl->physical->link); 3363006ec67SBrian Somers 3373006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering CLOSED state\n", dl->name); 3383006ec67SBrian Somers 3393006ec67SBrian Somers return dl; 3403006ec67SBrian Somers } 3413006ec67SBrian Somers 3423006ec67SBrian Somers struct datalink * 3433006ec67SBrian Somers datalink_Destroy(struct datalink *dl) 3443006ec67SBrian Somers { 3453006ec67SBrian Somers struct datalink *result; 3463006ec67SBrian Somers 3473006ec67SBrian Somers if (dl->state != DATALINK_CLOSED) 3483006ec67SBrian Somers LogPrintf(LogERROR, "Oops, destroying a datalink in state %d\n", dl->state); 3493006ec67SBrian Somers 3503006ec67SBrian Somers result = dl->next; 3513006ec67SBrian Somers chat_Destroy(&dl->chat); 3523006ec67SBrian Somers link_Destroy(&dl->physical->link); 3533006ec67SBrian Somers free(dl->name); 3543006ec67SBrian Somers free(dl); 3553006ec67SBrian Somers 3563006ec67SBrian Somers return result; 3573006ec67SBrian Somers } 3583006ec67SBrian Somers 3593006ec67SBrian Somers void 360c5a5a6caSBrian Somers datalink_Up(struct datalink *dl, int runscripts, int packetmode) 3613006ec67SBrian Somers { 3623006ec67SBrian Somers if (dl->state == DATALINK_CLOSED) { 3633006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering OPENING state\n", dl->name); 3643006ec67SBrian Somers dl->state = DATALINK_OPENING; 365abff9baeSBrian Somers dl->reconnect_tries = dl->max_reconnect; 366e718d1d7SBrian Somers dl->dial_tries = dl->max_dial; 367c5a5a6caSBrian Somers dl->script.run = runscripts; 368c5a5a6caSBrian Somers dl->script.packetmode = packetmode; 3693006ec67SBrian Somers } 3703006ec67SBrian Somers } 3713006ec67SBrian Somers 3723006ec67SBrian Somers void 3733006ec67SBrian Somers datalink_Close(struct datalink *dl, int stay) 3743006ec67SBrian Somers { 3753006ec67SBrian Somers /* Please close */ 3763006ec67SBrian Somers FsmClose(&CcpInfo.fsm); 3773006ec67SBrian Somers FsmClose(&LcpInfo.fsm); 3783006ec67SBrian Somers if (stay) { 3793006ec67SBrian Somers dl->dial_tries = -1; 3803006ec67SBrian Somers dl->reconnect_tries = 0; 3813006ec67SBrian Somers } 3823006ec67SBrian Somers } 3833006ec67SBrian Somers 3843006ec67SBrian Somers void 3853006ec67SBrian Somers datalink_Down(struct datalink *dl, int stay) 3863006ec67SBrian Somers { 3873006ec67SBrian Somers /* Carrier is lost */ 3883006ec67SBrian Somers LogPrintf(LogPHASE, "datalink_Down: %sstay down\n", stay ? "" : "don't "); 3893006ec67SBrian Somers FsmDown(&CcpInfo.fsm); 3903006ec67SBrian Somers FsmClose(&CcpInfo.fsm); 3913006ec67SBrian Somers FsmDown(&LcpInfo.fsm); 3925b8b8060SBrian Somers if (stay) 3933006ec67SBrian Somers FsmClose(&LcpInfo.fsm); 3943006ec67SBrian Somers else 3953006ec67SBrian Somers FsmOpen(&CcpInfo.fsm); 3963006ec67SBrian Somers 3973006ec67SBrian Somers if (stay) { 3983006ec67SBrian Somers dl->dial_tries = -1; 3993006ec67SBrian Somers dl->reconnect_tries = 0; 4003006ec67SBrian Somers } 401c5a5a6caSBrian Somers 402c5a5a6caSBrian Somers if (dl->state != DATALINK_CLOSED && dl->state != DATALINK_HANGUP) { 403c5a5a6caSBrian Somers modem_Offline(dl->physical); 404c5a5a6caSBrian Somers if (dl->script.run) { 405c5a5a6caSBrian Somers LogPrintf(LogPHASE, "%s: Entering HANGUP state\n", dl->name); 406c5a5a6caSBrian Somers dl->state = DATALINK_HANGUP; 407c5a5a6caSBrian Somers chat_Init(&dl->chat, dl->physical, dl->script.hangup, 1); 408c5a5a6caSBrian Somers } else 409c5a5a6caSBrian Somers datalink_HangupDone(dl); 410c5a5a6caSBrian Somers } 4113006ec67SBrian Somers } 4123006ec67SBrian Somers 4133006ec67SBrian Somers void 4143006ec67SBrian Somers datalink_StayDown(struct datalink *dl) 4153006ec67SBrian Somers { 4163006ec67SBrian Somers dl->reconnect_tries = 0; 4173006ec67SBrian Somers } 418