URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [net/] [autotest/] [current/] [tests/] [slowpingmux.c] - Rev 825
Go to most recent revision | Compare with Previous | Blame | View Log
//========================================================================== // // autotest/current/tests/slowpingmux.c // // Simple pinging test, the server pings me and I ping her. // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 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): hmt,gthomas // Contributors: hmt,gthomas // Date: 2000-10-23 // Purpose: // Description: // // //####DESCRIPTIONEND#### // //========================================================================== #include <pkgconf/system.h> #include <cyg/infra/testcase.h> // testing infrastructure #include <pkgconf/net.h> #ifdef CYGBLD_DEVS_ETH_DEVICE_H // Get the device config if it exists #include CYGBLD_DEVS_ETH_DEVICE_H // May provide CYGTST_DEVS_ETH_TEST_NET_REALTIME #endif #ifdef CYGPKG_NET_TESTS_USE_RT_TEST_HARNESS // do we use the rt test? # ifdef CYGTST_DEVS_ETH_TEST_NET_REALTIME // Get the test ancilla if it exists # include CYGTST_DEVS_ETH_TEST_NET_REALTIME # endif #endif // 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 // ------------------------------------------------------------------------ #include <errno.h> #include <network.h> #include "autohost.inl" #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 // 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; int maxlen = 0; ok_recv = 0; bogus_recv = 0; TNR_OFF(); diag_printf("PING server %s\n", inet_ntoa(host->sin_addr)); for (seq = 0; seq < NUM_PINGS; seq++, icmp_len += PACKET_ADD ) { TNR_ON(); cyg_thread_delay( 47 ); // Half a second... // 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++; if ( len > maxlen ) maxlen = len; } else { bogus_recv++; } } } TNR_OFF(); diag_printf("Sent %d packets, received %d OK, %d bad max len %d\n", NUM_PINGS, ok_recv, bogus_recv, maxlen); } static void ping_test(struct bootp *bp) { 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); host.sin_addr = bp->bp_siaddr; host.sin_port = 0; ping_host(s, &host); // Now try a bogus host host.sin_addr.s_addr = htonl(ntohl(host.sin_addr.s_addr) + 32); ping_host(s, &host); close(s); } // ------------------------------------------------------------------------ #define STACK_SIZE (CYGNUM_HAL_STACK_SIZE_TYPICAL + 0x10000) static char stack[STACK_SIZE]; static cyg_thread thread_data; static cyg_handle_t thread_handle; static void do_ping_tests(struct bootp *bp, int N, int testtime, int filesize) { int i; char order[256]; diag_printf( "INFO: telling %s to run %d pings for %d seconds, %d bytes and up\n", inet_ntoa(bp->bp_siaddr), N, testtime, filesize ); // For 2nd and subsequent orders, we vary the ping data size: for ( i = 0; i < N; i++ ) { sprintf( order, "%s %s %d %d", "SLOW_PING", inet_ntoa(bp->bp_yiaddr), testtime, filesize + 100 * i ); autohost_tell( bp, order ); } } #define TESTTIME (5 * 60) // Seconds #define NUM_SESSIONS 10 // why not? void net_test(cyg_addrword_t param) { int i; int numtests; cyg_tick_count_t ticks; CYG_TEST_INIT(); CYG_TEST_INFO("Start PING server test"); init_all_network_interfaces(); autohost_init(); TNR_INIT(); numtests = NUM_SESSIONS; // The number of pingers started OK i = numtests; // Now command the host to do ping to us... #ifdef CYGHWR_NET_DRIVER_ETH0 if (eth0_up) { // 2 small tests by default and a couple of larger ones do_ping_tests(ð0_bootp_data, 1, TESTTIME, 64); do_ping_tests(ð0_bootp_data, 2, TESTTIME, 1000); do_ping_tests(ð0_bootp_data, 2, TESTTIME, 10000); i -= 5; } #endif #ifdef CYGHWR_NET_DRIVER_ETH1 if (eth1_up && i > 0) { // rest of the tests depending... do_ping_tests(ð1_bootp_data, 2, TESTTIME, 64); i -= 2; do_ping_tests(ð1_bootp_data, 1, TESTTIME, 4000); i -= 1; do_ping_tests(ð1_bootp_data, i, TESTTIME, 1200); i = 0; // Since we just used up the rest } #endif numtests -= i; // Adjust to how many we *actually* requested // Let the server run for 5 minutes cyg_thread_delay(2*100); // let the stuff start up first TNR_ON(); ticks = cyg_current_time() + TESTTIME * 100; // FIXME - assume cS clock. while (1) { if ( ticks < cyg_current_time() ) break; #ifdef CYGHWR_NET_DRIVER_ETH0 if (eth0_up) { ping_test(ð0_bootp_data); } #endif #ifdef CYGHWR_NET_DRIVER_ETH1 if ( ticks < cyg_current_time() ) break; if (eth1_up) { ping_test(ð1_bootp_data); } #endif }; // Additional delay 'cos host may be slower than us - and it has to // complete a transfer anyway: cyg_thread_delay( 30 *100); // FIXME - assume cS clock. TNR_OFF(); autohost_end( numtests ); // check for N pass messages from hosts TNR_PRINT_ACTIVITY(); CYG_TEST_EXIT("Done"); } 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 net_test, // entry 0, // entry parameter "Network 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(); } // EOF slowpingmux.c
Go to most recent revision | Compare with Previous | Blame | View Log