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Fix and improve sockets unit test and unit test sys_arch (with a little help of tcpip.c)

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This commit is contained in:
goldsimon 2017-03-16 22:49:38 +01:00
parent 8313c4d870
commit fc47f846ed
6 changed files with 170 additions and 54 deletions
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110
src/api/tcpip.c
View File

@ -73,6 +73,8 @@ sys_mutex_t lock_tcpip_core;
#define TCPIP_MBOX_FETCH(mbox, msg) sys_mbox_fetch(mbox, msg)
#endif /* LWIP_TIMERS */
static void tcpip_thread_handle_msg(struct tcpip_msg *msg);
/**
* The main lwIP thread. This thread has exclusive access to lwIP core functions
* (unless access to them is not locked). Other threads communicate with this
@ -105,59 +107,89 @@ tcpip_thread(void *arg)
LWIP_ASSERT("tcpip_thread: invalid message", 0);
continue;
}
switch (msg->type) {
tcpip_thread_handle_msg(msg);
}
}
/* Handle a single tcpip_msg
* This is in its own function for access by tests only.
*/
static void
tcpip_thread_handle_msg(struct tcpip_msg *msg)
{
switch (msg->type) {
#if !LWIP_TCPIP_CORE_LOCKING
case TCPIP_MSG_API:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg));
msg->msg.api_msg.function(msg->msg.api_msg.msg);
break;
case TCPIP_MSG_API_CALL:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API CALL message %p\n", (void *)msg));
msg->msg.api_call.arg->err = msg->msg.api_call.function(msg->msg.api_call.arg);
sys_sem_signal(msg->msg.api_call.sem);
break;
case TCPIP_MSG_API:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg));
msg->msg.api_msg.function(msg->msg.api_msg.msg);
break;
case TCPIP_MSG_API_CALL:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API CALL message %p\n", (void *)msg));
msg->msg.api_call.arg->err = msg->msg.api_call.function(msg->msg.api_call.arg);
sys_sem_signal(msg->msg.api_call.sem);
break;
#endif /* !LWIP_TCPIP_CORE_LOCKING */
#if !LWIP_TCPIP_CORE_LOCKING_INPUT
case TCPIP_MSG_INPKT:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: PACKET %p\n", (void *)msg));
msg->msg.inp.input_fn(msg->msg.inp.p, msg->msg.inp.netif);
memp_free(MEMP_TCPIP_MSG_INPKT, msg);
break;
case TCPIP_MSG_INPKT:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: PACKET %p\n", (void *)msg));
msg->msg.inp.input_fn(msg->msg.inp.p, msg->msg.inp.netif);
memp_free(MEMP_TCPIP_MSG_INPKT, msg);
break;
#endif /* !LWIP_TCPIP_CORE_LOCKING_INPUT */
#if LWIP_TCPIP_TIMEOUT && LWIP_TIMERS
case TCPIP_MSG_TIMEOUT:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: TIMEOUT %p\n", (void *)msg));
sys_timeout(msg->msg.tmo.msecs, msg->msg.tmo.h, msg->msg.tmo.arg);
memp_free(MEMP_TCPIP_MSG_API, msg);
break;
case TCPIP_MSG_UNTIMEOUT:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: UNTIMEOUT %p\n", (void *)msg));
sys_untimeout(msg->msg.tmo.h, msg->msg.tmo.arg);
memp_free(MEMP_TCPIP_MSG_API, msg);
break;
case TCPIP_MSG_TIMEOUT:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: TIMEOUT %p\n", (void *)msg));
sys_timeout(msg->msg.tmo.msecs, msg->msg.tmo.h, msg->msg.tmo.arg);
memp_free(MEMP_TCPIP_MSG_API, msg);
break;
case TCPIP_MSG_UNTIMEOUT:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: UNTIMEOUT %p\n", (void *)msg));
sys_untimeout(msg->msg.tmo.h, msg->msg.tmo.arg);
memp_free(MEMP_TCPIP_MSG_API, msg);
break;
#endif /* LWIP_TCPIP_TIMEOUT && LWIP_TIMERS */
case TCPIP_MSG_CALLBACK:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK %p\n", (void *)msg));
msg->msg.cb.function(msg->msg.cb.ctx);
memp_free(MEMP_TCPIP_MSG_API, msg);
break;
case TCPIP_MSG_CALLBACK:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK %p\n", (void *)msg));
msg->msg.cb.function(msg->msg.cb.ctx);
memp_free(MEMP_TCPIP_MSG_API, msg);
break;
case TCPIP_MSG_CALLBACK_STATIC:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK_STATIC %p\n", (void *)msg));
msg->msg.cb.function(msg->msg.cb.ctx);
break;
case TCPIP_MSG_CALLBACK_STATIC:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK_STATIC %p\n", (void *)msg));
msg->msg.cb.function(msg->msg.cb.ctx);
break;
default:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: invalid message: %d\n", msg->type));
LWIP_ASSERT("tcpip_thread: invalid message", 0);
break;
}
default:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: invalid message: %d\n", msg->type));
LWIP_ASSERT("tcpip_thread: invalid message", 0);
break;
}
}
#ifdef TCPIP_THREAD_TEST
/** Work on queued items in single-threaded test mode */
int
tcpip_thread_poll_one(void)
{
int ret = 0;
struct tcpip_msg *msg;
/* wait for a message, timeouts are processed while waiting */
if (sys_arch_mbox_tryfetch(&mbox, (void **)&msg) != SYS_ARCH_TIMEOUT) {
LOCK_TCPIP_CORE();
if (msg != NULL) {
tcpip_thread_handle_msg(msg);
ret = 1;
}
UNLOCK_TCPIP_CORE();
}
return ret;
}
#endif
/**
* Pass a received packet to tcpip_thread for input processing
*

6
src/include/lwip/tcpip.h
View File

@ -50,14 +50,12 @@ extern "C" {
#endif
#if LWIP_TCPIP_CORE_LOCKING
#ifndef LOCK_TCPIP_CORE
/** The global semaphore to lock the stack. */
extern sys_mutex_t lock_tcpip_core;
/** Lock lwIP core mutex (needs @ref LWIP_TCPIP_CORE_LOCKING 1) */
#define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
/** Unlock lwIP core mutex (needs @ref LWIP_TCPIP_CORE_LOCKING 1) */
#define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
#endif
#else /* LWIP_TCPIP_CORE_LOCKING */
#define LOCK_TCPIP_CORE()
#define UNLOCK_TCPIP_CORE()
@ -99,6 +97,10 @@ err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
#endif /* LWIP_TCPIP_TIMEOUT && LWIP_TIMERS */
#ifdef TCPIP_THREAD_TEST
int tcpip_thread_poll_one(void);
#endif
#ifdef __cplusplus
}
#endif

85
test/unit/api/test_sockets.c
View File

@ -7,10 +7,15 @@
/* Setups/teardown functions */
static int tcpip_init_called;
static void
sockets_setup(void)
{
if (!tcpip_init_called) {
tcpip_init_called = 1;
tcpip_init(NULL, NULL);
}
}
static void
@ -22,6 +27,17 @@ sockets_teardown(void)
#define NUM_SOCKETS MEMP_NUM_NETCONN
#endif
static int
test_sockets_alloc_socket_nonblocking(int domain, int type)
{
int s = lwip_socket(domain, type, 0);
if (s >= 0) {
int ret = lwip_fcntl(s, F_SETFL, O_NONBLOCK);
fail_unless(ret == 0);
}
return s;
}
/* Verify basic sockets functionality
*/
START_TEST(test_sockets_basics)
@ -57,12 +73,79 @@ START_TEST(test_sockets_basics)
}
END_TEST
static void test_sockets_allfunctions_basic_domain(int domain)
{
int s, s2, s3, ret;
struct sockaddr_storage addr, addr2;
socklen_t addrlen, addr2len;
/* listen socket */
s = lwip_socket(domain, SOCK_STREAM, 0);
fail_unless(s >= 0);
ret = lwip_listen(s, 0);
fail_unless(ret == 0);
addrlen = sizeof(addr);
ret = lwip_getsockname(s, (struct sockaddr*)&addr, &addrlen);
fail_unless(ret == 0);
s2 = test_sockets_alloc_socket_nonblocking(domain, SOCK_STREAM);
fail_unless(s2 >= 0);
/* nonblocking connect s2 to s (but use loopback address) */
if (domain == AF_INET) {
#if LWIP_IPV4
struct sockaddr_in *addr4 = (struct sockaddr_in *)&addr;
addr4->sin_addr.s_addr = inet_addr("127.0.0.1");
#endif
} else {
#if LWIP_IPV6
#endif
}
ret = lwip_connect(s2, (struct sockaddr*)&addr, addrlen);
fail_unless(ret == -1);
fail_unless(errno == EINPROGRESS);
ret = lwip_connect(s2, (struct sockaddr*)&addr, addrlen);
fail_unless(ret == -1);
fail_unless(errno == EALREADY);
while(tcpip_thread_poll_one());
s3 = lwip_accept(s, (struct sockaddr*)&addr2, &addr2len);
fail_unless(s3 >= 0);
ret = lwip_connect(s2, (struct sockaddr*)&addr, addrlen);
fail_unless(ret == -1);
fail_unless(errno == EISCONN);
ret = lwip_close(s);
fail_unless(ret == 0);
ret = lwip_close(s2);
fail_unless(ret == 0);
ret = lwip_close(s3);
fail_unless(ret == 0);
}
/* Try to step through all sockets functions once...
*/
START_TEST(test_sockets_allfunctions_basic)
{
LWIP_UNUSED_ARG(_i);
#if LWIP_IPV4
test_sockets_allfunctions_basic_domain(AF_INET);
#endif
#if LWIP_IPV6
test_sockets_allfunctions_basic_domain(AF_INET6);
#endif
}
END_TEST
/** Create the suite including all tests for this module */
Suite *
sockets_suite(void)
{
testfunc tests[] = {
TESTFUNC(test_sockets_basics)
TESTFUNC(test_sockets_basics),
TESTFUNC(test_sockets_allfunctions_basic)
};
return create_suite("SOCKETS", tests, sizeof(tests)/sizeof(testfunc), sockets_setup, sockets_teardown);
}

14
test/unit/arch/sys_arch.c
View File

@ -115,7 +115,7 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
}
}
LWIP_ASSERT("*sem > 0", *sem > 0);
*sem--;
(*sem)--;
LWIP_ASSERT("*sem > 0", *sem > 0);
/* return the time we waited for the sem */
return ret;
@ -125,7 +125,7 @@ void sys_sem_signal(sys_sem_t *sem)
{
LWIP_ASSERT("sem != NULL", sem != NULL);
LWIP_ASSERT("*sem > 0", *sem > 0);
*sem++;
(*sem)++;
LWIP_ASSERT("*sem > 0", *sem > 0);
}
@ -156,7 +156,7 @@ void sys_mutex_lock(sys_mutex_t *mutex)
LWIP_ASSERT("mutex != NULL", mutex != NULL);
LWIP_ASSERT("*mutex >= 1", *mutex >= 1);
/* we count up just to check the correct pairing of lock/unlock */
*mutex++;
(*mutex)++;
LWIP_ASSERT("*mutex >= 1", *mutex >= 1);
}
@ -166,7 +166,7 @@ void sys_mutex_unlock(sys_mutex_t *mutex)
LWIP_ASSERT("mutex != NULL", mutex != NULL);
LWIP_ASSERT("*mutex >= 1", *mutex >= 1);
/* we count down just to check the correct pairing of lock/unlock */
*mutex--;
(*mutex)--;
LWIP_ASSERT("*mutex >= 1", *mutex >= 1);
}
@ -223,7 +223,7 @@ void sys_mbox_set_invalid(sys_mbox_t *mbox)
void sys_mbox_post(sys_mbox_t *q, void *msg)
{
LWIP_ASSERT("q != SYS_MBOX_NULL", q != SYS_MBOX_NULL);
LWIP_ASSERT("q->sem != q", q->sem != q);
LWIP_ASSERT("q->sem == q", q->sem == q);
LWIP_ASSERT("q->q_mem != NULL", q->q_mem != NULL);
LWIP_ASSERT("q->used >= 0", q->used >= 0);
LWIP_ASSERT("q->size > 0", q->size > 0);
@ -242,7 +242,7 @@ void sys_mbox_post(sys_mbox_t *q, void *msg)
err_t sys_mbox_trypost(sys_mbox_t *q, void *msg)
{
LWIP_ASSERT("q != SYS_MBOX_NULL", q != SYS_MBOX_NULL);
LWIP_ASSERT("q->sem != q", q->sem != q);
LWIP_ASSERT("q->sem == q", q->sem == q);
LWIP_ASSERT("q->q_mem != NULL", q->q_mem != NULL);
LWIP_ASSERT("q->used >= 0", q->used >= 0);
LWIP_ASSERT("q->size > 0", q->size > 0);
@ -260,7 +260,7 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *q, void **msg, u32_t timeout)
u32_t ret = 0;
u32_t ret2;
LWIP_ASSERT("q != SYS_MBOX_NULL", q != SYS_MBOX_NULL);
LWIP_ASSERT("q->sem != q", q->sem != q);
LWIP_ASSERT("q->sem == q", q->sem == q);
LWIP_ASSERT("q->q_mem != NULL", q->q_mem != NULL);
LWIP_ASSERT("q->used >= 0", q->used >= 0);
LWIP_ASSERT("q->size > 0", q->size > 0);

4
test/unit/arch/sys_arch.h
View File

@ -64,9 +64,5 @@ typedef u32_t sys_thread_t;
typedef int (*test_sys_arch_waiting_fn)(void* wait_element);
void test_sys_arch_wait_callback(test_sys_arch_waiting_fn waiting_fn);
/* no multithreading supported: define to nothing */
#define LOCK_TCPIP_CORE()
#define UNLOCK_TCPIP_CORE()
#endif /* LWIP_HDR_TEST_SYS_ARCH_H */

5
test/unit/lwipopts.h
View File

@ -32,11 +32,14 @@
#ifndef LWIP_HDR_LWIPOPTS_H
#define LWIP_HDR_LWIPOPTS_H
/* Prevent having to link sys_arch.c (we don't test the API layers in unit tests) */
/* We link to special sys_arch.c (for basic non-waiting API layers unit tests) */
#define NO_SYS 0
#define SYS_LIGHTWEIGHT_PROT 0
#define LWIP_NETCONN 1
#define LWIP_SOCKET 1
#define LWIP_NETCONN_FULLDUPLEX 1
#define LWIP_HAVE_LOOPIF 1
#define TCPIP_THREAD_TEST
/* Enable DHCP to test it, disable UDP checksum to easier inject packets */
#define LWIP_DHCP 1