/* This NetX test concentrates on the basic BSD TCP blocking operation. */ /* The BSD APIs involved in this test are: socket(), connect(), send(), soc_close() */ #include "tx_api.h" #include "nx_api.h" #if defined(NX_BSD_ENABLE) && !defined(NX_DISABLE_IPV4) #include "nx_icmpv6.h" #include "nxd_bsd.h" #define DEMO_STACK_SIZE 4096 /* Define the ThreadX and NetX object control blocks... */ static TX_THREAD ntest_0; static TX_THREAD ntest_1; static NX_PACKET_POOL pool_0; static NX_IP ip_0; static NX_IP ip_1; static ULONG bsd_thread_area[DEMO_STACK_SIZE / sizeof(ULONG)]; static TX_SEMAPHORE sema_0; static TX_SEMAPHORE sema_1; static TX_SEMAPHORE sema_2; #define BSD_THREAD_PRIORITY 2 #define NUM_CLIENTS NX_BSD_MAX_SOCKETS /* Define the counters used in the test application... */ static ULONG error_counter; static ULONG packet_pool_area[(256 + sizeof(NX_PACKET)) * (NUM_CLIENTS + 4) * 8 / 4]; /* Define thread prototypes. */ static void ntest_0_entry(ULONG thread_input); static void ntest_1_entry(ULONG thread_input); extern void test_control_return(UINT status); extern void _nx_ram_network_driver_256(struct NX_IP_DRIVER_STRUCT *driver_req); static void validate_bsd_structure(void); extern NX_BSD_SOCKET nx_bsd_socket_array[NX_BSD_MAX_SOCKETS]; static char *requests[4] = {"Request1", "Request2", "Request3", "Request4"}; static char *response[4] = {"Response1", "Response2", "Response3", "Response4"}; static void validate_bsd_structure(void); /* Define what the initial system looks like. */ #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_bsd_tcp_accept_blocking_timeout_test_application_define(void *first_unused_memory) #endif { CHAR *pointer; UINT status; /* Setup the working pointer. */ pointer = (CHAR *) first_unused_memory; error_counter = 0; /* Create the main thread. */ tx_thread_create(&ntest_0, "thread 0", ntest_0_entry, 0, pointer, DEMO_STACK_SIZE, 3, 3, TX_NO_TIME_SLICE, TX_AUTO_START); pointer = pointer + DEMO_STACK_SIZE; /* Create the main thread. */ tx_thread_create(&ntest_1, "thread 1", ntest_1_entry, 0, pointer, DEMO_STACK_SIZE, 3, 3, TX_NO_TIME_SLICE, TX_AUTO_START); pointer = pointer + DEMO_STACK_SIZE; /* Initialize the NetX system. */ nx_system_initialize(); /* Create a packet pool. */ status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 256, packet_pool_area, sizeof(packet_pool_area)); if (status) error_counter++; /* Create an IP instance. */ status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 4), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_256, pointer, 2048, 1); pointer = pointer + 2048; /* Create another IP instance. */ status += nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 5), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_256, pointer, 2048, 1); pointer = pointer + 2048; if (status) error_counter++; /* Enable ARP and supply ARP cache memory for IP Instance 0. */ status = nx_arp_enable(&ip_0, (void *) pointer, 1024); pointer = pointer + 1024; if (status) error_counter++; /* Enable ARP and supply ARP cache memory for IP Instance 1. */ status = nx_arp_enable(&ip_1, (void *) pointer, 1024); pointer = pointer + 1024; if (status) error_counter++; /* Enable TCP processing for both IP instances. */ status = nx_tcp_enable(&ip_0); status += nx_tcp_enable(&ip_1); /* Enable BSD */ status += bsd_initialize(&ip_0, &pool_0, (CHAR*)&bsd_thread_area[0], sizeof(bsd_thread_area), BSD_THREAD_PRIORITY); /* Check TCP enable status. */ if (status) error_counter++; status = tx_semaphore_create(&sema_0, "SEMA 0", 0); status += tx_semaphore_create(&sema_1, "SEMA 1", 0); status += tx_semaphore_create(&sema_2, "SEMA 2", 0); if(status) error_counter++; } typedef struct client_info_struct { int sockfd; int message_id; } client_info; static client_info client_data[NUM_CLIENTS]; static ULONG stack_space[NUM_CLIENTS][DEMO_STACK_SIZE / sizeof(ULONG)]; static TX_THREAD helper_thread[NUM_CLIENTS]; static VOID bsd_server_helper_thread_entry(ULONG thread_input) { int ret; int sockfd, message_id; char buf[30]; sockfd = client_data[thread_input].sockfd; message_id = client_data[thread_input].message_id; /* Receive data from the client. */ ret = recv(sockfd, buf, sizeof(buf), 0); if(ret <= 0) error_counter++; /* Validate the data. */ if((ret != (int)strlen(requests[message_id & 3])) || strncmp(buf, requests[message_id & 3], ret)) error_counter++; /* Send a response back. */ ret = send(sockfd, response[message_id & 3], strlen(response[message_id & 3]), 0); if(ret != (int)strlen(response[message_id & 3])) error_counter++; /* Wait until client received. */ if((sockfd - NX_BSD_SOCKFD_START + 1) != (NUM_CLIENTS / 2)) tx_semaphore_get(&sema_1, 5 * NX_IP_PERIODIC_RATE); else tx_semaphore_get(&sema_2, 5 * NX_IP_PERIODIC_RATE); ret = soc_close(sockfd); if(ret < 0) error_counter++; tx_semaphore_put(&sema_0); return; } static void test_tcp_server4(void) { int sockfd; struct sockaddr_in remote_addr, local_addr; int address_length; int ret; int newsock; int i; UINT status; int accept_no_memory = 0; sockfd = socket(AF_INET, SOCK_STREAM, 0); if(sockfd < 0) error_counter++; local_addr.sin_family = AF_INET; local_addr.sin_port = htons(12345); local_addr.sin_addr.s_addr = INADDR_ANY; ret = bind(sockfd, (struct sockaddr*)&local_addr, sizeof(local_addr)); if(ret < 0) error_counter++; ret = listen(sockfd, 5); if(ret < 0) error_counter++; /* 3 iterations. */ for(i = 0; i < NUM_CLIENTS; i++) { address_length = sizeof(remote_addr); newsock = accept(sockfd, (struct sockaddr*)&remote_addr, &address_length); if(newsock <= 0) { if(i != (NUM_CLIENTS - 1)) error_counter++; else { if(errno != ENOMEM) error_counter++; else { accept_no_memory = 1; tx_thread_sleep(10); i--; continue; } } } else if(address_length != sizeof(remote_addr)) error_counter++; else if((remote_addr.sin_family != AF_INET) || (remote_addr.sin_addr.s_addr != htonl(0x01020305))) error_counter++; /* Set the client data */ client_data[i].sockfd = newsock; client_data[i].message_id = i; /* Create a helper thread to handle the new socket. */ status = tx_thread_create(&helper_thread[i], "helper thread", bsd_server_helper_thread_entry, i, stack_space[i], DEMO_STACK_SIZE, 2, 2, TX_NO_TIME_SLICE, TX_AUTO_START); if(status != TX_SUCCESS) error_counter++; tx_thread_relinquish(); } if(accept_no_memory != 1) error_counter++; /* Close downt he socket. */ ret = soc_close(sockfd); if(ret < 0) error_counter++; for(i = 0; i < NUM_CLIENTS; i++) { /* Wakeup server thread. */ tx_semaphore_get(&sema_0, 5 * NX_IP_PERIODIC_RATE); } } /* Define the test threads. */ static void ntest_0_entry(ULONG thread_input) { printf("NetX Test: Basic BSD TCP Accept Blocking Timeout Test...."); /* Check for earlier error. */ if (error_counter) { printf("ERROR!\n"); test_control_return(1); } /* Wakeup client. */ tx_semaphore_put(&sema_1); test_tcp_server4(); /* Wait until client finish. */ tx_semaphore_get(&sema_0, 5 * NX_IP_PERIODIC_RATE); validate_bsd_structure(); if(error_counter) printf("ERROR!\n"); else printf("SUCCESS!\n"); if(error_counter) test_control_return(1); test_control_return(0); } static NX_TCP_SOCKET tcp_sockets[NUM_CLIENTS]; static void multiple_client4(void) { int i; UINT status = NX_SUCCESS; NX_PACKET *packet_ptr; for(i = 0; i < NUM_CLIENTS; i++) { status += nx_tcp_socket_create(&ip_1, &tcp_sockets[i], "Server Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 100, NX_NULL, NX_NULL); status += nx_tcp_client_socket_bind(&tcp_sockets[i], NX_ANY_PORT, 0); } if(status != NX_SUCCESS) error_counter++; status = NX_SUCCESS; for(i = 0; i < (NUM_CLIENTS - 1); i++) { status += nx_tcp_client_socket_connect(&tcp_sockets[i], IP_ADDRESS(1, 2, 3, 4), 12345, NX_IP_PERIODIC_RATE); } if(status != NX_SUCCESS) error_counter++; /* Now we should be able to try another connection */ status = nx_tcp_client_socket_connect(&tcp_sockets[NUM_CLIENTS - 1], IP_ADDRESS(1, 2, 3, 4), 12345, NX_IP_PERIODIC_RATE); if(status == NX_SUCCESS) { /* At this point, we anticpate the BSD system to run out of resource and is unable to make this connection. */ error_counter++; } else { /* Let's delete the socket. */ if(tcp_sockets[NUM_CLIENTS - 1].nx_tcp_socket_bound_next) { status = nx_tcp_client_socket_unbind(&tcp_sockets[NUM_CLIENTS - 1]); if(status) error_counter++; } status = nx_tcp_socket_delete(&tcp_sockets[NUM_CLIENTS - 1]); /* Recreate the socket. */ status += nx_tcp_socket_create(&ip_1, &tcp_sockets[NUM_CLIENTS - 1], "Server Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 100, NX_NULL, NX_NULL); status += nx_tcp_client_socket_bind(&tcp_sockets[NUM_CLIENTS - 1], NX_ANY_PORT, 0); if(status) error_counter++; } status = NX_SUCCESS; /* Send messages to each server */ for(i = 0; i < (NUM_CLIENTS - 1); i++) { status += nx_packet_allocate(&pool_0, &packet_ptr, NX_TCP_PACKET, NX_NO_WAIT); status += nx_packet_data_append(packet_ptr, requests[i & 3], strlen(requests[i & 3]), &pool_0, NX_NO_WAIT); status += nx_tcp_socket_send(&tcp_sockets[i], packet_ptr, NX_IP_PERIODIC_RATE); } if(status != NX_SUCCESS) error_counter++; status = NX_SUCCESS; /* Receive messages. */ for(i = 0; i < NUM_CLIENTS - 1; i++) { status = nx_tcp_socket_receive(&tcp_sockets[i], &packet_ptr, 2 * NX_IP_PERIODIC_RATE); if(status != NX_SUCCESS) { error_counter++; continue; } /* Validate the received data. */ else if(packet_ptr -> nx_packet_length != strlen(response[i & 3])) error_counter++; else if(strncmp((char*)packet_ptr -> nx_packet_prepend_ptr, response[i & 3], packet_ptr -> nx_packet_length)) error_counter++; nx_packet_release(packet_ptr); } /* Wakeup server thread. */ tx_semaphore_put(&sema_2); /* Shutdown one socket (the one in the middle of the group. */ status = nx_tcp_socket_disconnect(&tcp_sockets[NUM_CLIENTS/2], NX_IP_PERIODIC_RATE); if(status == NX_NOT_CONNECTED || status == NX_DISCONNECT_FAILED) status = 0; if(tcp_sockets[NUM_CLIENTS/2].nx_tcp_socket_bound_next) status += nx_tcp_client_socket_unbind(&tcp_sockets[NUM_CLIENTS/2]); status += nx_tcp_socket_delete(&tcp_sockets[NUM_CLIENTS/2]); if(status != NX_SUCCESS) error_counter++; /* Now we should be able to try another connection */ status = nx_tcp_client_socket_connect(&tcp_sockets[NUM_CLIENTS - 1], IP_ADDRESS(1, 2, 3, 4), 12345, NX_IP_PERIODIC_RATE); if(status != NX_SUCCESS) { /* At this point, we anticpate the BSD system to run out of resource and is unable to make this connection. */ error_counter++; } status = nx_packet_allocate(&pool_0, &packet_ptr, NX_TCP_PACKET, NX_NO_WAIT); status += nx_packet_data_append(packet_ptr, requests[(NUM_CLIENTS - 1) & 3], strlen(requests[(NUM_CLIENTS - 1) & 3]), &pool_0, NX_NO_WAIT); status += nx_tcp_socket_send(&tcp_sockets[NUM_CLIENTS - 1], packet_ptr, NX_IP_PERIODIC_RATE); if(status != NX_SUCCESS) error_counter++; status = nx_tcp_socket_receive(&tcp_sockets[NUM_CLIENTS - 1], &packet_ptr, 2 * NX_IP_PERIODIC_RATE); if(status != NX_SUCCESS) error_counter++; /* Validate the received data. */ else if(packet_ptr -> nx_packet_length != strlen(response[(NUM_CLIENTS - 1) & 3])) error_counter++; else if(strncmp((char*)packet_ptr -> nx_packet_prepend_ptr, response[(NUM_CLIENTS - 1) & 3], packet_ptr -> nx_packet_length)) error_counter++; if(status == NX_SUCCESS) nx_packet_release(packet_ptr); /* Wakeup server thread. */ for(i = 0; i < NUM_CLIENTS - 2; i++) { /* Wakeup server thread. */ tx_semaphore_put(&sema_1); } tx_semaphore_put(&sema_2); /* Shutdown the socket. */ for(i = 0; i < NUM_CLIENTS; i++) { if(i == NUM_CLIENTS / 2) continue; status = nx_tcp_socket_disconnect(&tcp_sockets[i], 1 * NX_IP_PERIODIC_RATE); if(status == NX_NOT_CONNECTED || status == NX_DISCONNECT_FAILED) status = 0; if(tcp_sockets[i].nx_tcp_socket_bound_next) status += nx_tcp_client_socket_unbind(&tcp_sockets[i]); status += nx_tcp_socket_delete(&tcp_sockets[i]); if(status != NX_SUCCESS) error_counter++; } } static void ntest_1_entry(ULONG thread_input) { UINT status; ULONG actual_status; /* Ensure the IP instance has been initialized. */ status = nx_ip_status_check(&ip_1, NX_IP_INITIALIZE_DONE, &actual_status, 1 * NX_IP_PERIODIC_RATE); /* Check status... */ if (status != NX_SUCCESS) { printf("ERROR!\n"); test_control_return(3); } /* Server run first. */ tx_semaphore_get(&sema_1, 5 * NX_IP_PERIODIC_RATE); /* Simulate a multiple client conneting to the same server. */ multiple_client4(); /* Client finished. */ tx_semaphore_put(&sema_0); } extern TX_BLOCK_POOL nx_bsd_socket_block_pool; static void validate_bsd_structure(void) { int i; /* Make sure every BSD socket should be free by now. */ for(i = 0; i < NX_BSD_MAX_SOCKETS; i++) { if(nx_bsd_socket_array[i].nx_bsd_socket_status_flags & NX_BSD_SOCKET_IN_USE) { error_counter++; } if(nx_bsd_socket_array[i].nx_bsd_socket_tcp_socket || nx_bsd_socket_array[i].nx_bsd_socket_udp_socket) { error_counter++; } } /* Make sure all the NX SOCKET control blocks are released. */ if(nx_bsd_socket_block_pool.tx_block_pool_available != nx_bsd_socket_block_pool.tx_block_pool_total) { error_counter++; } /* Make sure all the sockets are released */ if(ip_0.nx_ip_tcp_created_sockets_ptr || ip_0.nx_ip_udp_created_sockets_ptr) { error_counter++; return; } } #else extern void test_control_return(UINT status); #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_bsd_tcp_accept_blocking_timeout_test_application_define(void *first_unused_memory) #endif { /* Print out test information banner. */ printf("NetX Test: Basic BSD TCP Accept Blocking Timeout Test....N/A\n"); test_control_return(3); } #endif