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RIOT/tests/lwip_sock_tcp/main.c

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/*
* Copyright (C) 2016 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test for UDP socks
*
* @author Martine Lenders <m.lenders@fu-berlin.de>
* @}
*/
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/uio.h>
#include "net/ipv6/addr.h"
#include "net/sock/tcp.h"
#include "sched.h"
#include "thread.h"
#include "xtimer.h"
#include "constants.h"
#include "stack.h"
#define _TEST_BUFFER_SIZE (128)
#define _QUEUE_SIZE (1)
#define _MSG_QUEUE_SIZE (4)
#define _CLIENT_BUF_SIZE (128)
#define _SERVER_BUF_SIZE (128)
#define _SERVER_QUEUE_SIZE (1)
#define _CLIENT_MSG_START (0xe307)
#define _CLIENT_MSG_READ (0xe308)
#define _CLIENT_MSG_WRITE (0xe309)
#define _CLIENT_MSG_STOP (0xe30a)
#define _SERVER_MSG_START (0xe30b)
#define _SERVER_MSG_ACCEPT (0xe30c)
#define _SERVER_MSG_READ (0xe30d)
#define _SERVER_MSG_WRITE (0xe30e)
#define _SERVER_MSG_CLOSE (0xe30f)
#define _SERVER_MSG_STOP (0xe310)
static uint8_t _test_buffer[_TEST_BUFFER_SIZE];
static char _client_stack[THREAD_STACKSIZE_DEFAULT];
static char _server_stack[THREAD_STACKSIZE_DEFAULT];
static uint8_t _client_buf[_CLIENT_BUF_SIZE];
static uint8_t _server_buf[_SERVER_BUF_SIZE];
static msg_t _client_msg_queue[_MSG_QUEUE_SIZE];
static msg_t _server_msg_queue[_MSG_QUEUE_SIZE];
static sock_tcp_t _sock, _client_sock;
static sock_tcp_t _queue_array[_QUEUE_SIZE];
static sock_tcp_t _server_queue_array[_SERVER_QUEUE_SIZE];
static sock_tcp_queue_t _queue, _server_queue;
static sock_tcp_ep_t _server_addr;
static kernel_pid_t _server, _client;
#define CALL(fn) puts("Calling " # fn); fn; tear_down()
static void *_server_func(void *arg);
static void *_client_func(void *arg);
static void tear_down(void)
{
msg_t msg = { .type = _CLIENT_MSG_STOP };
msg_send(&msg, _client);
msg.type = _SERVER_MSG_STOP;
msg_send(&msg, _server);
sock_tcp_disconnect(&_sock);
sock_tcp_stop_listen(&_queue);
memset(&_sock, 0, sizeof(_sock));
memset(&_queue, 0, sizeof(_queue));
memset(&_server_addr, 0, sizeof(_server_addr));
}
#ifdef MODULE_LWIP_IPV4
#ifdef SO_REUSE
static void test_tcp_connect4__EADDRINUSE(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const uint16_t local_port = _TEST_PORT_REMOTE;
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_REMOTE */
assert(-EADDRINUSE == sock_tcp_connect(&_sock, &remote, local_port, 0));
}
#endif
static void test_tcp_connect4__EAFNOSUPPORT(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
assert(-EAFNOSUPPORT == sock_tcp_connect(&_sock, &remote, 0,
SOCK_FLAGS_REUSE_EP));
}
/* ECONNREFUSED does not apply for lwIP; netconn_connect does not wait for
* connection build-up */
static void test_tcp_connect4__EINVAL_addr(void)
{
static const sock_tcp_ep_t remote = { .family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
assert(-EINVAL == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
}
static void test_tcp_connect4__EINVAL_netif(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = (_TEST_NETIF + 1) };
assert(-EINVAL == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
}
/* ENETUNREACH not testable in given loopback setup */
/* ETIMEDOUT doesn't work because lwIP's connect doesn't timeout */
static void test_tcp_connect4__success_without_port(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = _TEST_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
sock_tcp_ep_t ep;
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_REMOTE */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
assert(0 == sock_tcp_get_remote(&_sock, &ep));
assert(AF_INET == ep.family);
assert(htonl(_TEST_ADDR4_REMOTE) == ep.addr.ipv4_u32);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_REMOTE == ep.port);
}
static void test_tcp_connect4__success_local_port(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const uint16_t local_port = _TEST_PORT_LOCAL;
sock_tcp_ep_t ep;
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_REMOTE */
assert(0 == sock_tcp_connect(&_sock, &remote, local_port, SOCK_FLAGS_REUSE_EP));
assert(0 == sock_tcp_get_local(&_sock, &ep));
assert(AF_INET == ep.family);
assert(_TEST_PORT_LOCAL == ep.port);
assert(0 == sock_tcp_get_remote(&_sock, &ep));
assert(AF_INET == ep.family);
assert(htonl(_TEST_ADDR4_REMOTE) == ep.addr.ipv4_u32);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_REMOTE == ep.port);
}
#ifdef SO_REUSE
static void test_tcp_listen4__EADDRINUSE(void)
{
const sock_tcp_ep_t local = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_LOCAL) },
.family = AF_INET,
.port = _TEST_PORT_LOCAL,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_LOCAL;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
assert(-EADDRINUSE == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
}
#endif
static void test_tcp_listen4__EAFNOSUPPORT(void)
{
const sock_tcp_ep_t local = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_LOCAL) },
.port = _TEST_PORT_LOCAL,
.netif = SOCK_ADDR_ANY_NETIF };
assert(-EAFNOSUPPORT == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
}
static void test_tcp_listen4__EINVAL(void)
{
const sock_tcp_ep_t local = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_LOCAL) },
.family = AF_INET,
.port = _TEST_PORT_LOCAL,
.netif = (_TEST_NETIF + 1) };
assert(-EINVAL == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
}
static void test_tcp_listen4__success_any_netif(void)
{
const sock_tcp_ep_t local = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_LOCAL) },
.family = AF_INET,
.port = _TEST_PORT_LOCAL,
.netif = SOCK_ADDR_ANY_NETIF };
sock_tcp_ep_t ep;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
assert(0 == sock_tcp_queue_get_local(&_queue, &ep));
assert(AF_INET == ep.family);
assert(htonl(_TEST_ADDR4_LOCAL) == ep.addr.ipv4_u32);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_LOCAL == ep.port);
}
static void test_tcp_listen4__success_spec_netif(void)
{
static const sock_tcp_ep_t local = { .family = AF_INET,
.port = _TEST_PORT_LOCAL,
.netif = _TEST_NETIF };
sock_tcp_ep_t ep;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
assert(0 == sock_tcp_queue_get_local(&_queue, &ep));
assert(AF_INET == ep.family);
assert(_TEST_NETIF == ep.netif);
assert(_TEST_PORT_LOCAL == ep.port);
}
/* ECONNABORTED can't be tested in this setup */
static void test_tcp_accept4__EAGAIN(void)
{
static const sock_tcp_ep_t local = { .family = AF_INET,
.port = _TEST_PORT_LOCAL };
sock_tcp_t *sock;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, SOCK_FLAGS_REUSE_EP));
assert(-EAGAIN == sock_tcp_accept(&_queue, &sock, 0));
}
static void test_tcp_accept4__EINVAL(void)
{
sock_tcp_t *sock;
assert(-EINVAL == sock_tcp_accept(&_queue, &sock, SOCK_NO_TIMEOUT));
}
static void test_tcp_accept4__ETIMEDOUT(void)
{
static const sock_tcp_ep_t local = { .family = AF_INET,
.port = _TEST_PORT_LOCAL };
sock_tcp_t *sock;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, SOCK_FLAGS_REUSE_EP));
puts(" * Calling sock_tcp_accept()");
assert(-ETIMEDOUT == sock_tcp_accept(&_queue, &sock, _TEST_TIMEOUT));
printf(" * (timed out with timeout %u)\n", _TEST_TIMEOUT);
}
static void test_tcp_accept4__success(void)
{
static const sock_tcp_ep_t local = { .family = AF_INET,
.port = _TEST_PORT_LOCAL };
msg_t msg = { .type = _CLIENT_MSG_START,
.content = { .value = _TEST_PORT_REMOTE } };
sock_tcp_ep_t ep;
sock_tcp_t *sock;
_server_addr.addr.ipv4_u32 = htonl(_TEST_ADDR4_REMOTE); /* loopback */
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_LOCAL;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
msg_send(&msg, _client); /* start client on _TEST_PORT_REMOTE, connecting
* to _TEST_PORT_LOCAL */
assert(0 == sock_tcp_accept(&_queue, &sock, SOCK_NO_TIMEOUT));
assert(0 == sock_tcp_get_local(sock, &ep));
assert(AF_INET == ep.family);
assert(_TEST_PORT_LOCAL == ep.port);
assert(0 == sock_tcp_get_remote(sock, &ep));
assert(AF_INET == ep.family);
assert(htonl(_TEST_ADDR4_REMOTE) == ep.addr.ipv4_u32);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_REMOTE == ep.port);
}
/* ECONNABORTED can't be tested in this setup */
static void test_tcp_read4__EAGAIN(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
assert(-EAGAIN == sock_tcp_read(&_sock, _test_buffer, sizeof(_test_buffer), 0));
}
static void test_tcp_read4__ECONNRESET(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_CLOSE;
msg_send(&msg, _server); /* close connection at server side */
assert(-ECONNRESET == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer),
SOCK_NO_TIMEOUT));
}
static void test_tcp_read4__ENOTCONN(void)
{
assert(-ENOTCONN == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer), SOCK_NO_TIMEOUT));
}
static void test_tcp_read4__ETIMEDOUT(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
puts(" * Calling sock_tcp_read()");
assert(-ETIMEDOUT == sock_tcp_read(&_sock, _test_buffer, sizeof(_test_buffer),
_TEST_TIMEOUT));
printf(" * (timed out with timeout %u)\n", _TEST_TIMEOUT);
}
static void test_tcp_read4__success(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_WRITE;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer),
SOCK_NO_TIMEOUT));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
}
static void test_tcp_read4__success_with_timeout(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_WRITE;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer),
_TEST_TIMEOUT));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
}
static void test_tcp_read4__success_non_blocking(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_WRITE;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer),
0));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
}
/* ENOTCONN not applicable since lwIP always tries to send */
static void test_tcp_write4__ENOTCONN(void)
{
assert(-ENOTCONN == sock_tcp_write(&_sock, "Hello!", sizeof("Hello!")));
}
static void test_tcp_write4__success(void)
{
const sock_tcp_ep_t remote = { .addr = { .ipv4_u32 = htonl(_TEST_ADDR4_REMOTE) },
.family = AF_INET,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_READ;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_write(&_sock, "Hello!",
sizeof("Hello!")));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
xtimer_usleep(5000); /* wait for server */
}
#endif /* MODULE_LWIP_IPV4 */
#ifdef MODULE_LWIP_IPV6
#ifdef SO_REUSE
static void test_tcp_connect6__EADDRINUSE(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const uint16_t local_port = _TEST_PORT_REMOTE;
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_REMOTE */
assert(-EADDRINUSE == sock_tcp_connect(&_sock, &remote, local_port, 0));
}
#endif
static void test_tcp_connect6__EAFNOSUPPORT(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
assert(-EAFNOSUPPORT == sock_tcp_connect(&_sock, &remote, 0,
SOCK_FLAGS_REUSE_EP));
}
/* ECONNREFUSED does not apply for lwIP; netconn_connect does not wait for
* connection build-up */
static void test_tcp_connect6__EINVAL_addr(void)
{
static const sock_tcp_ep_t remote = { .family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
assert(-EINVAL == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
}
static void test_tcp_connect6__EINVAL_netif(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = (_TEST_NETIF + 1) };
assert(-EINVAL == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
}
/* ENETUNREACH not testable in given loopback setup */
/* ETIMEDOUT doesn't work because lwIP's connect doesn't timeout */
static void test_tcp_connect6__success_without_port(void)
{
static const ipv6_addr_t remote_addr = { .u8 = _TEST_ADDR6_REMOTE };
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = _TEST_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
sock_tcp_ep_t ep;
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_REMOTE */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
assert(0 == sock_tcp_get_remote(&_sock, &ep));
assert(AF_INET6 == ep.family);
assert(memcmp(&remote_addr, &ep.addr.ipv6, sizeof(ipv6_addr_t)) == 0);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_REMOTE == ep.port);
}
static void test_tcp_connect6__success_local_port(void)
{
static const ipv6_addr_t remote_addr = { .u8 = _TEST_ADDR6_REMOTE };
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const uint16_t local_port = _TEST_PORT_LOCAL;
sock_tcp_ep_t ep;
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_REMOTE */
assert(0 == sock_tcp_connect(&_sock, &remote, local_port, SOCK_FLAGS_REUSE_EP));
assert(0 == sock_tcp_get_local(&_sock, &ep));
assert(AF_INET6 == ep.family);
assert(_TEST_PORT_LOCAL == ep.port);
assert(0 == sock_tcp_get_remote(&_sock, &ep));
assert(AF_INET6 == ep.family);
assert(memcmp(&remote_addr, &ep.addr.ipv6, sizeof(ipv6_addr_t)) == 0);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_REMOTE == ep.port);
}
#ifdef SO_REUSE
static void test_tcp_listen6__EADDRINUSE(void)
{
static const sock_tcp_ep_t local = { .addr = { .ipv6 = _TEST_ADDR6_LOCAL },
.family = AF_INET6,
.port = _TEST_PORT_LOCAL,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_LOCAL;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
assert(-EADDRINUSE == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
}
#endif
static void test_tcp_listen6__EAFNOSUPPORT(void)
{
static const sock_tcp_ep_t local = { .addr = { .ipv6 = _TEST_ADDR6_LOCAL },
.port = _TEST_PORT_LOCAL,
.netif = SOCK_ADDR_ANY_NETIF };
assert(-EAFNOSUPPORT == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
}
static void test_tcp_listen6__EINVAL(void)
{
static const sock_tcp_ep_t local = { .addr = { .ipv6 = _TEST_ADDR6_LOCAL },
.family = AF_INET6,
.port = _TEST_PORT_LOCAL,
.netif = (_TEST_NETIF + 1) };
assert(-EINVAL == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
}
static void test_tcp_listen6__success_any_netif(void)
{
static const ipv6_addr_t local_addr = { .u8 = _TEST_ADDR6_LOCAL };
static const sock_tcp_ep_t local = { .addr = { .ipv6 = _TEST_ADDR6_LOCAL },
.family = AF_INET6,
.port = _TEST_PORT_LOCAL,
.netif = SOCK_ADDR_ANY_NETIF };
sock_tcp_ep_t ep;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
assert(0 == sock_tcp_queue_get_local(&_queue, &ep));
assert(AF_INET6 == ep.family);
assert(memcmp(&local_addr, &ep.addr.ipv6, sizeof(ipv6_addr_t)) == 0);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_LOCAL == ep.port);
}
static void test_tcp_listen6__success_spec_netif(void)
{
static const sock_tcp_ep_t local = { .family = AF_INET6,
.port = _TEST_PORT_LOCAL,
.netif = _TEST_NETIF };
sock_tcp_ep_t ep;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
assert(0 == sock_tcp_queue_get_local(&_queue, &ep));
assert(AF_INET6 == ep.family);
assert(_TEST_NETIF == ep.netif);
assert(_TEST_PORT_LOCAL == ep.port);
}
/* ECONNABORTED can't be tested in this setup */
static void test_tcp_accept6__EAGAIN(void)
{
static const sock_tcp_ep_t local = { .family = AF_INET6,
.port = _TEST_PORT_LOCAL };
sock_tcp_t *sock;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
assert(-EAGAIN == sock_tcp_accept(&_queue, &sock, 0));
}
static void test_tcp_accept6__EINVAL(void)
{
sock_tcp_t *sock;
assert(-EINVAL == sock_tcp_accept(&_queue, &sock, SOCK_NO_TIMEOUT));
}
static void test_tcp_accept6__ETIMEDOUT(void)
{
static const sock_tcp_ep_t local = { .family = AF_INET6,
.port = _TEST_PORT_LOCAL };
sock_tcp_t *sock;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
puts(" * Calling sock_tcp_accept()");
assert(-ETIMEDOUT == sock_tcp_accept(&_queue, &sock, _TEST_TIMEOUT));
printf(" * (timed out with timeout %u)\n", _TEST_TIMEOUT);
}
static void test_tcp_accept6__success(void)
{
static const ipv6_addr_t remote_addr = { .u8 = _TEST_ADDR6_REMOTE };
static const sock_tcp_ep_t local = { .family = AF_INET6,
.port = _TEST_PORT_LOCAL };
msg_t msg = { .type = _CLIENT_MSG_START,
.content = { .value = _TEST_PORT_REMOTE } };
sock_tcp_ep_t ep;
sock_tcp_t *sock;
_server_addr.addr.ipv6[15] = 1; /* make unspecified address to loopback */
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_LOCAL;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
assert(0 == sock_tcp_listen(&_queue, &local, _queue_array,
_QUEUE_SIZE, 0));
msg_send(&msg, _client); /* start client on _TEST_PORT_REMOTE, connecting
* to _TEST_PORT_LOCAL */
assert(0 == sock_tcp_accept(&_queue, &sock, SOCK_NO_TIMEOUT));
assert(0 == sock_tcp_get_local(sock, &ep));
assert(AF_INET6 == ep.family);
assert(_TEST_PORT_LOCAL == ep.port);
assert(0 == sock_tcp_get_remote(sock, &ep));
assert(AF_INET6 == ep.family);
assert(memcmp(&remote_addr, &ep.addr.ipv6, sizeof(ipv6_addr_t)) == 0);
assert(SOCK_ADDR_ANY_NETIF == ep.netif);
assert(_TEST_PORT_REMOTE == ep.port);
}
/* ECONNABORTED can't be tested in this setup */
static void test_tcp_read6__EAGAIN(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
assert(-EAGAIN == sock_tcp_read(&_sock, _test_buffer, sizeof(_test_buffer), 0));
}
static void test_tcp_read6__ECONNRESET(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_CLOSE;
msg_send(&msg, _server); /* close connection at server side */
assert(-ECONNRESET == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer), SOCK_NO_TIMEOUT));
}
static void test_tcp_read6__ENOTCONN(void)
{
assert(-ENOTCONN == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer), SOCK_NO_TIMEOUT));
}
static void test_tcp_read6__ETIMEDOUT(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
puts(" * Calling sock_tcp_read()");
assert(-ETIMEDOUT == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer), _TEST_TIMEOUT));
printf(" * (timed out with timeout %u)\n", _TEST_TIMEOUT);
}
static void test_tcp_read6__success(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_WRITE;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer),
SOCK_NO_TIMEOUT));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
}
static void test_tcp_read6__success_with_timeout(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_WRITE;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer),
_TEST_TIMEOUT));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
}
static void test_tcp_read6__success_non_blocking(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_WRITE;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_read(&_sock, _test_buffer,
sizeof(_test_buffer),
0));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
}
/* ENOTCONN not applicable since lwIP always tries to send */
static void test_tcp_write6__ENOTCONN(void)
{
assert(-ENOTCONN == sock_tcp_write(&_sock, "Hello!", sizeof("Hello!")));
}
static void test_tcp_write6__success(void)
{
static const sock_tcp_ep_t remote = { .addr = { .ipv6 = _TEST_ADDR6_REMOTE },
.family = AF_INET6,
.port = _TEST_PORT_REMOTE,
.netif = SOCK_ADDR_ANY_NETIF };
msg_t msg = { .type = _SERVER_MSG_START };
static const struct iovec exp_data = { .iov_base = "Hello!",
.iov_len = sizeof("Hello!") };
_server_addr.family = AF_INET6;
_server_addr.port = _TEST_PORT_REMOTE;
_server_addr.netif = SOCK_ADDR_ANY_NETIF;
msg_send(&msg, _server); /* start server on _TEST_PORT_LOCAL */
msg.type = _SERVER_MSG_ACCEPT;
msg_send(&msg, _server); /* let server accept */
assert(0 == sock_tcp_connect(&_sock, &remote, 0, SOCK_FLAGS_REUSE_EP));
msg.type = _SERVER_MSG_READ;
msg.content.ptr = (void *)&exp_data;
msg_send(&msg, _server); /* write expected data at server */
assert(((ssize_t)exp_data.iov_len) == sock_tcp_write(&_sock, "Hello!",
sizeof("Hello!")));
assert(memcmp(exp_data.iov_base, _test_buffer, exp_data.iov_len) == 0);
xtimer_usleep(5000); /* wait for server */
}
#endif /* MODULE_LWIP_IPV6 */
int main(void)
{
uint8_t code = 0;
#ifdef SO_REUSE
code |= 1;
#endif
#ifdef MODULE_LWIP_IPV4
code |= (1 << 4);
#endif
#ifdef MODULE_LWIP_IPV6
code |= (1 << 6);
#endif
printf("code 0x%02x\n", code);
xtimer_init();
_net_init();
assert(0 < thread_create(_client_stack, sizeof(_client_stack),
THREAD_PRIORITY_MAIN - 1, THREAD_CREATE_STACKTEST,
_client_func, NULL, "tcp_client"));
assert(0 < thread_create(_server_stack, sizeof(_server_stack),
THREAD_PRIORITY_MAIN - 2, THREAD_CREATE_STACKTEST,
_server_func, NULL, "tcp_server"));
tear_down();
#ifdef MODULE_LWIP_IPV4
#ifdef SO_REUSE
CALL(test_tcp_connect4__EADDRINUSE());
#endif
CALL(test_tcp_connect4__EAFNOSUPPORT());
/* ECONNREFUSED does not apply for lwIP; netconn_connect does not wait for
* connection build-up */
CALL(test_tcp_connect4__EINVAL_addr());
CALL(test_tcp_connect4__EINVAL_netif());
/* ENETUNREACH not testable in given loopback setup */
/* ETIMEDOUT doesn't work because lwIP's connect doesn't timeout */
CALL(test_tcp_connect4__success_without_port());
CALL(test_tcp_connect4__success_local_port());
#ifdef SO_REUSE
CALL(test_tcp_listen4__EADDRINUSE());
#endif
CALL(test_tcp_listen4__EAFNOSUPPORT());
CALL(test_tcp_listen4__EINVAL());
CALL(test_tcp_listen4__success_any_netif());
CALL(test_tcp_listen4__success_spec_netif());
/* sock_tcp_disconnect() is tested in tear_down() */
/* sock_tcp_stop_listen() is tested in tear_down() */
/* sock_tcp_get_local() is tested in sock_tcp_connect() tests */
/* sock_tcp_get_remote() is tested in sock_tcp_connect() tests */
/* sock_tcp_queue_get_local() is tested in sock_tcp_listen() tests */
/* ECONNABORTED can't be tested in this setup */
CALL(test_tcp_accept4__EAGAIN());
CALL(test_tcp_accept4__EINVAL());
CALL(test_tcp_accept4__ETIMEDOUT());
CALL(test_tcp_accept4__success());
/* ECONNABORTED can't be tested in this setup */
CALL(test_tcp_read4__EAGAIN());
CALL(test_tcp_read4__ECONNRESET());
CALL(test_tcp_read4__ENOTCONN());
CALL(test_tcp_read4__ETIMEDOUT());
CALL(test_tcp_read4__success());
CALL(test_tcp_read4__success_with_timeout());
CALL(test_tcp_read4__success_non_blocking());
/* ECONNABORTED can't be tested in this setup */
/* ENOTCONN not applicable since lwIP always tries to send */
CALL(test_tcp_write4__ENOTCONN());
CALL(test_tcp_write4__success());
#endif /* MODULE_LWIP_IPV4 */
#ifdef MODULE_LWIP_IPV6
#ifdef SO_REUSE
CALL(test_tcp_connect6__EADDRINUSE());
#endif
CALL(test_tcp_connect6__EAFNOSUPPORT());
/* ECONNREFUSED does not apply for lwIP; netconn_connect does not wait for
* connection build-up */
CALL(test_tcp_connect6__EINVAL_addr());
CALL(test_tcp_connect6__EINVAL_netif());
/* ENETUNREACH not testable in given loopback setup */
/* ETIMEDOUT doesn't work because lwIP's connect doesn't timeout */
CALL(test_tcp_connect6__success_without_port());
CALL(test_tcp_connect6__success_local_port());
#ifdef SO_REUSE
CALL(test_tcp_listen6__EADDRINUSE());
#endif
CALL(test_tcp_listen6__EAFNOSUPPORT());
CALL(test_tcp_listen6__EINVAL());
CALL(test_tcp_listen6__success_any_netif());
CALL(test_tcp_listen6__success_spec_netif());
/* sock_tcp_disconnect() is tested in tear_down() */
/* sock_tcp_stop_listen() is tested in tear_down() */
/* sock_tcp_get_local() is tested in sock_tcp_connect() tests */
/* sock_tcp_get_remote() is tested in sock_tcp_connect() tests */
/* sock_tcp_queue_get_local() is tested in sock_tcp_listen() tests */
/* ECONNABORTED can't be tested in this setup */
CALL(test_tcp_accept6__EAGAIN());
CALL(test_tcp_accept6__EINVAL());
CALL(test_tcp_accept6__ETIMEDOUT());
CALL(test_tcp_accept6__success());
/* ECONNABORTED can't be tested in this setup */
CALL(test_tcp_read6__EAGAIN());
CALL(test_tcp_read6__ECONNRESET());
CALL(test_tcp_read6__ENOTCONN());
CALL(test_tcp_read6__ETIMEDOUT());
CALL(test_tcp_read6__success());
CALL(test_tcp_read6__success_with_timeout());
CALL(test_tcp_read6__success_non_blocking());
/* ECONNABORTED can't be tested in this setup */
/* ENOTCONN not applicable since lwIP always tries to send */
CALL(test_tcp_write6__ENOTCONN());
CALL(test_tcp_write6__success());
#endif /* MODULE_LWIP_IPV6 */
puts("ALL TESTS SUCCESSFUL");
return 0;
}
static void *_server_func(void *arg)
{
bool server_started = false;
sock_tcp_t *sock = NULL;
(void)arg;
msg_init_queue(_server_msg_queue, _MSG_QUEUE_SIZE);
_server = sched_active_pid;
while (1) {
msg_t msg;
msg_receive(&msg);
switch (msg.type) {
case _SERVER_MSG_START:
if (!server_started) {
assert(0 == sock_tcp_listen(&_server_queue, &_server_addr,
_server_queue_array,
_SERVER_QUEUE_SIZE,
SOCK_FLAGS_REUSE_EP));
server_started = true;
}
break;
case _SERVER_MSG_ACCEPT:
if (server_started) {
assert(0 == sock_tcp_accept(&_server_queue, &sock,
SOCK_NO_TIMEOUT));
}
break;
case _SERVER_MSG_READ:
if (sock != NULL) {
const struct iovec *exp = msg.content.ptr;
assert(((ssize_t)exp->iov_len) ==
sock_tcp_read(sock, _server_buf, sizeof(_server_buf),
SOCK_NO_TIMEOUT));
assert(memcmp(exp->iov_base, _server_buf, exp->iov_len) == 0);
}
break;
case _SERVER_MSG_WRITE:
if (sock != NULL) {
const struct iovec *data = msg.content.ptr;
assert(((ssize_t)data->iov_len) ==
sock_tcp_write(sock, data->iov_base, data->iov_len));
}
break;
case _SERVER_MSG_CLOSE:
if (sock != NULL) {
sock_tcp_disconnect(sock);
sock = NULL;
}
break;
case _SERVER_MSG_STOP:
if (server_started) {
sock_tcp_stop_listen(&_server_queue);
server_started = false;
/* sock_tcp_stop_listen is also supposed to close sock */
sock = NULL;
}
break;
default:
break;
}
}
return NULL;
}
static void *_client_func(void *arg)
{
bool client_started = false;
(void)arg;
msg_init_queue(_client_msg_queue, _MSG_QUEUE_SIZE);
_client = sched_active_pid;
while (1) {
msg_t msg;
msg_receive(&msg);
switch (msg.type) {
case _CLIENT_MSG_START:
if (!client_started) {
const uint16_t local_port = (uint16_t)msg.content.value;
assert(0 == sock_tcp_connect(&_client_sock, &_server_addr,
local_port, SOCK_FLAGS_REUSE_EP));
client_started = true;
}
break;
case _CLIENT_MSG_READ:
if (client_started) {
const struct iovec *exp = msg.content.ptr;
assert(((ssize_t)exp->iov_len) ==
sock_tcp_read(&_client_sock, _client_buf,
sizeof(_client_buf), SOCK_NO_TIMEOUT));
assert(memcmp(exp->iov_base, _client_buf, exp->iov_len) == 0);
}
break;
case _CLIENT_MSG_WRITE:
if (client_started) {
const struct iovec *data = msg.content.ptr;
assert(((ssize_t)data->iov_len) ==
sock_tcp_write(&_client_sock, data->iov_base,
data->iov_len));
}
break;
case _CLIENT_MSG_STOP:
if (client_started) {
sock_tcp_disconnect(&_client_sock);
memset(&_client_sock, 0, sizeof(sock_tcp_t));
client_started = false;
}
break;
default:
break;
}
}
return NULL;
}