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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [net/] [ppp/] [current/] [tests/] [isp.c] - Rev 838
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//========================================================================== // // tests/isp.c // // Test of PPP and CHAT connection to an ISP // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 2003 Free Software Foundation, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later // version. // // eCos is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License // along with eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### // ####BSDALTCOPYRIGHTBEGIN#### // ------------------------------------------- // Portions of this software may have been derived from FreeBSD, OpenBSD, // or other sources, and if so are covered by the appropriate copyright // and license included herein. // ------------------------------------------- // ####BSDALTCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): nickg // Contributors: gthomas (ping code), nickg // Date: 2003-06-01 // Purpose: // Description: This test uses CHAT to set up a modem, dial, talk to an ISP // and then ping some well known addresses. It then brings the // link down. // // //####DESCRIPTIONEND#### // //========================================================================== // PPP test code #include <network.h> #include <pkgconf/system.h> #include <pkgconf/net.h> #include <pkgconf/ppp.h> #include <cyg/ppp/ppp.h> #include <cyg/io/io.h> #include <cyg/io/serialio.h> #include <cyg/infra/testcase.h> //========================================================================== #include <arpa/inet.h> // Fill in the blanks if necessary #ifndef TNR_OFF # define TNR_OFF() #endif #ifndef TNR_ON # define TNR_ON() #endif #ifndef TNR_INIT # define TNR_INIT() #endif #ifndef TNR_PRINT_ACTIVITY # define TNR_PRINT_ACTIVITY() #endif #define NUM_PINGS 16 #define MAX_PACKET 4096 #define MIN_PACKET 64 #define MAX_SEND 4000 #define PACKET_ADD ((MAX_SEND - MIN_PACKET)/NUM_PINGS) #define nPACKET_ADD 1 static unsigned char pkt1[MAX_PACKET], pkt2[MAX_PACKET]; #define UNIQUEID 0x1234 void pexit(char *s) { CYG_TEST_FAIL_FINISH(s); } // Compute INET checksum int inet_cksum(u_short *addr, int len) { register int nleft = len; register u_short *w = addr; register u_short answer; register u_int sum = 0; u_short odd_byte = 0; /* * Our algorithm is simple, using a 32 bit accumulator (sum), * we add sequential 16 bit words to it, and at the end, fold * back all the carry bits from the top 16 bits into the lower * 16 bits. */ while( nleft > 1 ) { sum += *w++; nleft -= 2; } /* mop up an odd byte, if necessary */ if( nleft == 1 ) { *(u_char *)(&odd_byte) = *(u_char *)w; sum += odd_byte; } /* * add back carry outs from top 16 bits to low 16 bits */ sum = (sum >> 16) + (sum & 0x0000ffff); /* add hi 16 to low 16 */ sum += (sum >> 16); /* add carry */ answer = ~sum; /* truncate to 16 bits */ return (answer); } static int show_icmp(unsigned char *pkt, int len, struct sockaddr_in *from, struct sockaddr_in *to) { cyg_tick_count_t *tp, tv; struct ip *ip; struct icmp *icmp; tv = cyg_current_time(); ip = (struct ip *)pkt; if ((len < sizeof(*ip)) || ip->ip_v != IPVERSION) { diag_printf("%s: Short packet or not IP! - Len: %d, Version: %d\n", inet_ntoa(from->sin_addr), len, ip->ip_v); return 0; } icmp = (struct icmp *)(pkt + sizeof(*ip)); len -= (sizeof(*ip) + 8); tp = (cyg_tick_count_t *)&icmp->icmp_data; if (icmp->icmp_type != ICMP_ECHOREPLY) { diag_printf("%s: Invalid ICMP - type: %d\n", inet_ntoa(from->sin_addr), icmp->icmp_type); return 0; } if (icmp->icmp_id != UNIQUEID) { diag_printf("%s: ICMP received for wrong id - sent: %x, recvd: %x\n", inet_ntoa(from->sin_addr), UNIQUEID, icmp->icmp_id); } diag_printf("%d bytes from %s: ", len, inet_ntoa(from->sin_addr)); diag_printf("icmp_seq=%d", icmp->icmp_seq); diag_printf(", time=%dms\n", (int)(tv - *tp)*10); return (from->sin_addr.s_addr == to->sin_addr.s_addr); } static void ping_host(int s, struct sockaddr_in *host) { struct icmp *icmp = (struct icmp *)pkt1; int icmp_len = MIN_PACKET; int seq, ok_recv, bogus_recv; cyg_tick_count_t *tp; long *dp; struct sockaddr_in from; int i, len, fromlen; ok_recv = 0; bogus_recv = 0; diag_printf("PING server %s\n", inet_ntoa(host->sin_addr)); for (seq = 0; seq < NUM_PINGS; seq++, icmp_len += PACKET_ADD ) { TNR_ON(); // Build ICMP packet icmp->icmp_type = ICMP_ECHO; icmp->icmp_code = 0; icmp->icmp_cksum = 0; icmp->icmp_seq = seq; icmp->icmp_id = 0x1234; // Set up ping data tp = (cyg_tick_count_t *)&icmp->icmp_data; *tp++ = cyg_current_time(); dp = (long *)tp; for (i = sizeof(*tp); i < icmp_len; i += sizeof(*dp)) { *dp++ = i; } // Add checksum icmp->icmp_cksum = inet_cksum( (u_short *)icmp, icmp_len+8); // Send it off if (sendto(s, icmp, icmp_len+8, 0, (struct sockaddr *)host, sizeof(*host)) < 0) { TNR_OFF(); perror("sendto"); continue; } // Wait for a response fromlen = sizeof(from); len = recvfrom(s, pkt2, sizeof(pkt2), 0, (struct sockaddr *)&from, &fromlen); TNR_OFF(); if (len < 0) { perror("recvfrom"); icmp_len = MIN_PACKET - PACKET_ADD; // just in case - long routes } else { if (show_icmp(pkt2, len, &from, host)) { ok_recv++; } else { bogus_recv++; } } } TNR_OFF(); diag_printf("Sent %d packets, received %d OK, %d bad\n", NUM_PINGS, ok_recv, bogus_recv); } static void do_ping(char *addr) { struct protoent *p; struct timeval tv; struct sockaddr_in host; int s; if ((p = getprotobyname("icmp")) == (struct protoent *)0) { pexit("getprotobyname"); return; } s = socket(AF_INET, SOCK_RAW, p->p_proto); if (s < 0) { pexit("socket"); return; } tv.tv_sec = 1; tv.tv_usec = 0; setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); // Set up host address host.sin_family = AF_INET; host.sin_len = sizeof(host); inet_aton(addr, &host.sin_addr); host.sin_port = 0; ping_host(s, &host); } //========================================================================== #define STACK_SIZE (CYGNUM_HAL_STACK_SIZE_TYPICAL + 0x1000) static char stack[STACK_SIZE]; static cyg_thread thread_data; static cyg_handle_t thread_handle; //========================================================================== /* Captured session: AT S7=45 S0=0 L1 V1 X4 &c1 E1 Q0 OK ATD08440416662 CONNECT 42666/ARQ/V90/LAPM/V42BIS anchor-du-10.access.demon.net login: xxxxxx Password: yyyyyy Protocol: ppp xxxxxx: IP Address: XXX.XXX.XXX.XXX Running PPP on 1223 No operational problems reported. Finger status@gate.demon.co.uk for more info - Last change 16:30 Jun 08 HELLO OK ATH OK */ static char *script[] = { "ABORT" , "BUSY" , "ABORT" , "NO CARRIER" , "ABORT" , "ERROR" , "" , "ATZ" , "OK" , "AT S7=45 S0=0 L1 V1 X4 &C1 E1 Q0" , "OK" , "ATD" CYGPKG_PPP_DEFAULT_DIALUP_NUMBER , "ogin:--ogin:" , CYGPKG_PPP_AUTH_DEFAULT_USER , "assword:" , CYGPKG_PPP_AUTH_DEFAULT_PASSWD , "otocol:" , "ppp" , "HELLO" , "\\c" , 0 }; //========================================================================== void isp_test(cyg_addrword_t p) { CYG_TEST_INIT(); diag_printf("Start ISP test\n"); init_all_network_interfaces(); { cyg_ppp_options_t options; cyg_ppp_handle_t ppp_handle; cyg_ppp_options_init( &options ); // options.debug = 1; // options.kdebugflag = 1; options.modem = 1; options.script = &script[0]; ppp_handle = cyg_ppp_up( CYGPKG_PPP_TEST_DEVICE, &options ); CYG_TEST_INFO( "Waiting for PPP to come up"); cyg_ppp_wait_up( ppp_handle ); CYG_TEST_INFO( "Delaying for a while..."); cyg_thread_delay(10*100); CYG_TEST_INFO( "Pinging"); do_ping("195.173.57.10"); // anchor-du-10.access.demon.net do_ping("194.154.160.254"); // fluffy.ecoscentric.com do_ping("66.187.233.205"); // sources.redhat.com CYG_TEST_INFO( "Bringing PPP down"); cyg_ppp_down( ppp_handle ); CYG_TEST_INFO( "Waiting for PPP to go down"); cyg_ppp_wait_down( ppp_handle ); } CYG_TEST_PASS_FINISH("ISP test OK"); } //========================================================================== void cyg_start(void) { // Create a main thread, so we can run the scheduler and have time 'pass' cyg_thread_create(10, // Priority - just a number isp_test, // entry 0, // entry parameter "ISP test", // Name &stack[0], // Stack STACK_SIZE, // Size &thread_handle, // Handle &thread_data // Thread data structure ); cyg_thread_resume(thread_handle); // Start it cyg_scheduler_start(); } //==========================================================================
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