diff options
Diffstat (limited to 'ecos/packages/devs/eth/microchip/enc424j600/current/host/test_tcp_client.c')
| -rw-r--r-- | ecos/packages/devs/eth/microchip/enc424j600/current/host/test_tcp_client.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/ecos/packages/devs/eth/microchip/enc424j600/current/host/test_tcp_client.c b/ecos/packages/devs/eth/microchip/enc424j600/current/host/test_tcp_client.c new file mode 100644 index 0000000..1cb6f08 --- /dev/null +++ b/ecos/packages/devs/eth/microchip/enc424j600/current/host/test_tcp_client.c @@ -0,0 +1,198 @@ +//================================================================= +// +// test_tcp_client.c +// +// TCP/Ethernet testing - host-side +// +//========================================================================== +// ####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 2010 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#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): Ilija Stanislevik +// Date: 2010-02-10 +//####DESCRIPTIONEND#### +//========================================================================== + +/* + The target hardware runs a listener/server application. The server + calculates checksum on recived packets for the whole duration of + connection. Once conection ends, it displays the checksum. + + The host client generates pseudorandom data and sends it to the target. + Before sending, it calculates checksum. Once data sent, it dispalys + the checksum for comparison with the checksum at target side. + + For now, no attempts has been made to employ a host other than Linux. +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <netdb.h> + +#define NUM_ARG 4 + +struct addrinfo * hostaddr_p; +int socket_d; +struct sockaddr serv_addr; + +void print_syntax(char *name) +{ + printf("Syntax: %s ip_address port bytes_to_send\n", name); + printf(" Format ip_address as d1.d2.d3.d4, where dx is integer 0-255\n\n"); +} + +int main(int argc, char *argv[]) +{ + int retval; + struct addrinfo hint_s; + struct addrinfo *p; + char ipstr[INET6_ADDRSTRLEN]; + unsigned long int msg_len; + unsigned long int left_to_send; + unsigned long int i; + unsigned long int csum; + char *msg_p = NULL; + char *fill_p; + unsigned char value; + + if(NUM_ARG != argc) + { + printf("\nError: Wrong number of arguments %d instead of %d.\n", argc-1, NUM_ARG-1); + print_syntax(argv[0]); + return EXIT_FAILURE; + } + + memset(&hint_s, 0, sizeof(struct addrinfo)); + hint_s.ai_family = AF_INET; + hint_s.ai_socktype = SOCK_STREAM; + hint_s.ai_flags = AI_NUMERICSERV; + hint_s.ai_protocol = 0; /* Any protocol */ + hint_s.ai_canonname = NULL; + hint_s.ai_addr = NULL; + hint_s.ai_next = NULL; + retval = getaddrinfo(argv[1], argv[2], &hint_s, &hostaddr_p); + if(0 != retval) + { + printf("\nError: %s\n", gai_strerror(retval)); + print_syntax(argv[0]); + return EXIT_FAILURE; + } + + printf("IP addresses for %s:\n", argv[1]); + + for(p = hostaddr_p; p != NULL; p = p->ai_next) + { + void *addr; + char *ipver; + // get the pointer to the address itself, + // different fields in IPv4 and IPv6: + if (p->ai_family == AF_INET) + { // IPv4 + struct sockaddr_in *ipv4 = (struct sockaddr_in *)p->ai_addr; + addr = &(ipv4->sin_addr); + ipver = "IPv4"; + } + else + { // IPv6 + struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)p->ai_addr; + addr = &(ipv6->sin6_addr); + ipver = "IPv6"; + } + // convert the IP to a string and print it: + inet_ntop(p->ai_family, addr, ipstr, sizeof ipstr); + printf(" %s: %s\n", ipver, ipstr); + } + + socket_d = socket(hostaddr_p->ai_family, hostaddr_p->ai_socktype, hostaddr_p->ai_protocol); + if(-1 == socket_d) + { + printf("Error: Can't get socket. errno %d\n", errno); + return EXIT_FAILURE; + } + + retval = connect(socket_d, hostaddr_p->ai_addr, hostaddr_p->ai_addrlen); + if(0 != retval) + { + perror("\nError: Failed connect()\n"); + return EXIT_FAILURE; + } + + // Prepare message to send + msg_len = strtoul(argv[3], NULL, 0); + msg_len &= ~0x3; + if (0 == msg_len) + { + printf("Nothing to do (bytes_to_send == 0). Exiting.\n"); + return EXIT_SUCCESS; + } + else + { + printf("Preparing to send %lu bytes.\n", msg_len); + } + + msg_p = malloc(msg_len); + if(NULL == msg_p) + { + printf("Error: Can't allocate %lu bytes.\n", msg_len); + return EXIT_FAILURE; + } + + fill_p = msg_p; + csum = 0; + + for(i=0; i<msg_len; i++) + { + value = random() & 0xff; + *fill_p++ = value; + csum += value; + } + + left_to_send = msg_len; + do + { + retval = send(socket_d, msg_p, msg_len, 0); + left_to_send -= retval; + printf("%d bytes sent.\n", retval); + } while(left_to_send); + printf("Checksum %08lx\n", csum); + + freeaddrinfo(hostaddr_p); // free the linked list + + return EXIT_SUCCESS; +} |