/***************************************************************************/ /* Copyright (c) 2024 Microsoft Corporation */ /* Copyright (c) 2026 Eclipse ThreadX contributors */ /* */ /* This program and the accompanying materials are made available under */ /* the terms of the MIT License which is available at */ /* https://opensource.org/licenses/MIT. */ /* */ /* SPDX-License-Identifier: MIT */ /***************************************************************************/ /* 13.04 TCP SHOULD be capable of queuing out-of-order segments. */ /* Procedure 1. Client connects to server. 2. Client sends a packet that is out of order. 3. Client sends a packet that is in order. 5. Server receives packets successfully. */ #include "tx_api.h" #include "nx_api.h" #include "nx_tcp.h" #include extern void test_control_return(UINT status); #if !defined(NX_DISABLE_IPV4) #define DEMO_STACK_SIZE 2048 /* 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 NX_TCP_SOCKET client_socket; static NX_TCP_SOCKET server_socket; /* Define the counters used in the demo application... */ static ULONG error_counter; static ULONG data_packet_counter; static UCHAR data_13_04[50]; static UCHAR rcv_buffer[50]; static UINT rcv_length; /* Define thread prototypes. */ static void ntest_1_entry(ULONG thread_input); static void ntest_0_entry(ULONG thread_input); static void ntest_0_connect_received(NX_TCP_SOCKET *server_socket, UINT port); static void ntest_0_disconnect_received(NX_TCP_SOCKET *server_socket); extern void _nx_ram_network_driver_1500(struct NX_IP_DRIVER_STRUCT *driver_req); static void rand_13_04(); /* Define what the initial system looks like. */ #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_13_04_application_define(void *first_unused_memory) #endif { CHAR *pointer; UINT status; /* Setup the working pointer. */ pointer = (CHAR *) first_unused_memory; error_counter = 0; data_packet_counter = 0; rcv_length = 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, 4, 4, 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, pointer, 8192); pointer = pointer + 8192; if(status) error_counter++; /* Create another IP instance. */ status = nx_ip_create(&ip_0, "NetX IP Instance 0", IP_ADDRESS(1, 2, 3, 5), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_1500, pointer, 2048, 1); pointer = pointer + 2048; if(status) error_counter++; /* Create an IP instance. */ status = nx_ip_create(&ip_1, "NetX IP Instance 1", IP_ADDRESS(1, 2, 3, 4), 0xFFFFFF00UL, &pool_0, _nx_ram_network_driver_1500, pointer, 2048, 1); pointer = pointer + 2048; if(status) error_counter++; /* Enable ARP and supply ARP cache memory for IP Instance 1. */ 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 0. */ status = nx_arp_enable(&ip_1, (void *) pointer, 1024); pointer = pointer + 1024; /* Check ARP enable status. */ if(status) error_counter++; /* Enable TCP processing for both IP instances. */ status = nx_tcp_enable(&ip_0); if(status) error_counter++; status = nx_tcp_enable(&ip_1); /* Check TCP enable status. */ if(status) error_counter++; } /* Define the test threads. */ static void ntest_0_entry(ULONG thread_input) { UINT status; ULONG actual_status; NX_PACKET *packet_ptr; ULONG bytes_copied; /* Ensure the IP instance has been initialized. */ status = nx_ip_status_check(&ip_0, NX_IP_INITIALIZE_DONE, &actual_status, NX_IP_PERIODIC_RATE); /* Check for earlier error. */ if(error_counter) { printf("ERROR!\n"); test_control_return(1); } /* Check for error. */ if(status) error_counter++; /* Create a socket. */ status = nx_tcp_socket_create(&ip_0, &server_socket, "Server Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 200, NX_NULL, ntest_0_disconnect_received); /* Check for error. */ if(status) error_counter++; /* Setup this thread to listen. */ status = nx_tcp_server_socket_listen(&ip_0, 12, &server_socket, 5, ntest_0_connect_received); /* Check for error. */ if(status) error_counter++; /* Established the connection. */ status = nx_tcp_server_socket_accept(&server_socket, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; while(!(nx_tcp_socket_receive(&server_socket, &packet_ptr, NX_IP_PERIODIC_RATE))) { data_packet_counter++; /* Retrieve data from packet to the receive buffer. */ status = nx_packet_data_retrieve(packet_ptr, &rcv_buffer[rcv_length], &bytes_copied); if(status) error_counter++; rcv_length += bytes_copied; bytes_copied = 0; /* Release the packet. */ nx_packet_release(packet_ptr); } if((data_packet_counter != 2) || (rcv_length != 40) || (memcmp(rcv_buffer, (void*)data_13_04, rcv_length))) error_counter++; /* Disconnect the server socket. */ status = nx_tcp_socket_disconnect(&server_socket, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; status = nx_tcp_server_socket_unaccept(&server_socket); /* Check for error. */ if(status) error_counter++; /* Unlisten on the server port. */ status = nx_tcp_server_socket_unlisten(&ip_0, 12); /* Check for error. */ if (status) error_counter++; /* Delete the socket. */ status = nx_tcp_socket_delete(&server_socket); /* Check for error. */ if(status) error_counter++; } static void ntest_1_entry(ULONG thread_input) { UINT status; NX_PACKET *my_packet; UINT old_threshold; /* Print out test information banner. */ printf("NetX Test: TCP Spec 13.04 Test......................................."); /* Create a socket. */ status = nx_tcp_socket_create(&ip_1, &client_socket, "Client Socket", NX_IP_NORMAL, NX_FRAGMENT_OKAY, NX_IP_TIME_TO_LIVE, 300, NX_NULL, NX_NULL); /* Check for error. */ if(status) error_counter++; /* Bind the socket. */ status = nx_tcp_client_socket_bind(&client_socket, 12, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; /* Attempt to connect the socket. */ status = nx_tcp_client_socket_connect(&client_socket, IP_ADDRESS(1, 2, 3, 5), 12, 5 * NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; /* Create a 40-byte length message randomly. */ rand_13_04(); /* Modify tx_sequence. */ client_socket.nx_tcp_socket_tx_sequence += 20; /* Create a packet to send. */ status = nx_packet_allocate(&pool_0, &my_packet, NX_TCP_PACKET, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; status = nx_packet_data_append(my_packet, &data_13_04[20], 20, &pool_0, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; /* Send packet to server. */ status = nx_tcp_socket_send(&client_socket, my_packet, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; /* Modify tx_sequence. */ client_socket.nx_tcp_socket_tx_sequence -= 40; /* Create a packet to send. */ status = nx_packet_allocate(&pool_0, &my_packet, NX_TCP_PACKET, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; status = nx_packet_data_append(my_packet, data_13_04, 20, &pool_0, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; /* Disable preemption from IP thread. */ tx_thread_preemption_change(&ntest_1, 0, &old_threshold); /* Send packet to server. */ status = nx_tcp_socket_send(&client_socket, my_packet, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; /* Modify tx_sequence. */ client_socket.nx_tcp_socket_tx_sequence += 20; /* Enable preemption from IP thread. */ tx_thread_preemption_change(&ntest_1, old_threshold, &old_threshold); /* Disconnect this socket. */ status = nx_tcp_socket_disconnect(&client_socket, NX_IP_PERIODIC_RATE); /* Check for error. */ if(status) error_counter++; /* Unbind the socket. */ status = nx_tcp_client_socket_unbind(&client_socket); /* Check for error. */ if(status) error_counter++; /* Delete the socket. */ status = nx_tcp_socket_delete(&client_socket); /* Check for error. */ if(status) error_counter++; /* Determine if the test was successful. */ if((error_counter != 0) || (data_packet_counter != 2)) { printf("ERROR!\n"); test_control_return(1); } else { printf("SUCCESS!\n"); test_control_return(0); } } static void rand_13_04() { UINT flag; UINT j,k=0; srand((unsigned)time(NULL)); for(j=0;j<40;j++) { flag=rand()%2; if(flag) data_13_04[k++]='A'+rand()%26; else data_13_04[k++]='a'+rand()%26; } } static void ntest_0_connect_received(NX_TCP_SOCKET *socket_ptr, UINT port) { /* Check for the proper socket and port. */ if((socket_ptr != &server_socket) || (port != 12)) error_counter++; } static void ntest_0_disconnect_received(NX_TCP_SOCKET *socket) { /* Check for proper disconnected socket. */ if(socket != &server_socket) error_counter++; } #else #ifdef CTEST VOID test_application_define(void *first_unused_memory) #else void netx_13_04_application_define(void *first_unused_memory) #endif { /* Print out test information banner. */ printf("NetX Test: TCP Spec 13.04 Test.......................................N/A\n"); test_control_return(3); } #endif