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Moved NUM_SOCKETS and struct lwip_sock to sockets_priv.h; added test case for fd_use count with select

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This commit is contained in:
goldsimon 2017-06-13 21:07:34 +02:00
parent 85a85906d9
commit 35ba3a877d
3 changed files with 107 additions and 41 deletions
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47
src/api/sockets.c
View File

@ -192,47 +192,6 @@ static void sockaddr_to_ipaddr_port(const struct sockaddr* sockaddr, ip_addr_t*
#define LWIP_SO_SNDRCVTIMEO_GET_MS(optval) ((((const struct timeval *)(optval))->tv_sec * 1000U) + (((const struct timeval *)(optval))->tv_usec / 1000U))
#endif
#define NUM_SOCKETS MEMP_NUM_NETCONN
/** This is overridable for the rare case where more than 255 threads
* select on the same socket...
*/
#ifndef SELWAIT_T
#define SELWAIT_T u8_t
#endif
union lwip_sock_lastdata {
struct netbuf *netbuf;
struct pbuf *pbuf;
};
/** Contains all internal pointers and states used for a socket */
struct lwip_sock {
/** sockets currently are built on netconns, each socket has one netconn */
struct netconn *conn;
/** data that was left from the previous read */
union lwip_sock_lastdata lastdata;
#if LWIP_SOCKET_SELECT
/** number of times data was received, set by event_callback(),
tested by the receive and select functions */
s16_t rcvevent;
/** number of times data was ACKed (free send buffer), set by event_callback(),
tested by select */
u16_t sendevent;
/** error happened for this socket, set by event_callback(), tested by select */
u16_t errevent;
/** counter of how many threads are waiting for this socket using select */
SELWAIT_T select_waiting;
#endif /* LWIP_SOCKET_SELECT */
#if LWIP_NETCONN_FULLDUPLEX
/* counter of how many threads are using a struct lwip_sock (not the 'int') */
u8_t fd_used;
/* status of pending close/delete actions */
u8_t fd_free_pending;
#define LWIP_SOCK_FD_FREE_TCP 1
#define LWIP_SOCK_FD_FREE_FREE 2
#endif
};
#if LWIP_NETCONN_SEM_PER_THREAD
#define SELECT_SEM_T sys_sem_t*
@ -424,6 +383,12 @@ tryget_socket_unconn_nouse(int fd)
return &sockets[s];
}
struct lwip_sock*
lwip_socket_dbg_get_socket(int fd)
{
return tryget_socket_unconn_nouse(fd);
}
/* Translate a socket 'int' into a pointer (only fails if the index is invalid) */
static struct lwip_sock *
tryget_socket_unconn(int fd)

44
src/include/lwip/priv/sockets_priv.h
View File

@ -48,6 +48,48 @@
extern "C" {
#endif
#define NUM_SOCKETS MEMP_NUM_NETCONN
/** This is overridable for the rare case where more than 255 threads
* select on the same socket...
*/
#ifndef SELWAIT_T
#define SELWAIT_T u8_t
#endif
union lwip_sock_lastdata {
struct netbuf *netbuf;
struct pbuf *pbuf;
};
/** Contains all internal pointers and states used for a socket */
struct lwip_sock {
/** sockets currently are built on netconns, each socket has one netconn */
struct netconn *conn;
/** data that was left from the previous read */
union lwip_sock_lastdata lastdata;
#if LWIP_SOCKET_SELECT
/** number of times data was received, set by event_callback(),
tested by the receive and select functions */
s16_t rcvevent;
/** number of times data was ACKed (free send buffer), set by event_callback(),
tested by select */
u16_t sendevent;
/** error happened for this socket, set by event_callback(), tested by select */
u16_t errevent;
/** counter of how many threads are waiting for this socket using select */
SELWAIT_T select_waiting;
#endif /* LWIP_SOCKET_SELECT */
#if LWIP_NETCONN_FULLDUPLEX
/* counter of how many threads are using a struct lwip_sock (not the 'int') */
u8_t fd_used;
/* status of pending close/delete actions */
u8_t fd_free_pending;
#define LWIP_SOCK_FD_FREE_TCP 1
#define LWIP_SOCK_FD_FREE_FREE 2
#endif
};
#if LWIP_SOCKET_SET_ERRNO
#ifndef set_errno
#define set_errno(err) do { if (err) { errno = (err); } } while(0)
@ -92,6 +134,8 @@ struct lwip_setgetsockopt_data {
}
#endif
struct lwip_sock* lwip_socket_dbg_get_socket(int fd);
#endif /* LWIP_SOCKET */
#endif /* LWIP_HDR_SOCKETS_PRIV_H */

57
test/unit/api/test_sockets.c
View File

@ -3,11 +3,30 @@
#include "lwip/mem.h"
#include "lwip/opt.h"
#include "lwip/sockets.h"
#include "lwip/priv/sockets_priv.h"
#include "lwip/stats.h"
#include "lwip/tcpip.h"
static int
test_sockets_get_used_count(void)
{
int used = 0;
int i;
for (i = 0; i < NUM_SOCKETS; i++) {
struct lwip_sock* s = lwip_socket_dbg_get_socket(i);
if (s != NULL) {
if (s->fd_used) {
used++;
}
}
}
return used;
}
/* Setups/teardown functions */
static void
@ -18,6 +37,7 @@ sockets_setup(void)
static void
sockets_teardown(void)
{
fail_unless(test_sockets_get_used_count() == 0);
}
#ifndef NUM_SOCKETS
@ -573,6 +593,42 @@ START_TEST(test_sockets_msgapis)
}
END_TEST
START_TEST(test_sockets_select)
{
#if LWIP_SOCKET_SELECT
int s;
int ret;
fd_set readset;
fd_set writeset;
fd_set errset;
struct timeval tv;
fail_unless(test_sockets_get_used_count() == 0);
s = lwip_socket(AF_INET, SOCK_STREAM, 0);
fail_unless(s >= 0);
fail_unless(test_sockets_get_used_count() == 0);
FD_ZERO(&readset);
FD_SET(s, &readset);
FD_ZERO(&writeset);
FD_SET(s, &writeset);
FD_ZERO(&errset);
FD_SET(s, &errset);
tv.tv_sec = tv.tv_usec = 0;
ret = lwip_select(s + 1, &readset, &writeset, &errset, &tv);
fail_unless(ret == 0);
fail_unless(test_sockets_get_used_count() == 0);
ret = lwip_close(s);
fail_unless(ret == 0);
#endif
LWIP_UNUSED_ARG(_i);
}
END_TEST
/** Create the suite including all tests for this module */
Suite *
sockets_suite(void)
@ -581,6 +637,7 @@ sockets_suite(void)
TESTFUNC(test_sockets_basics),
TESTFUNC(test_sockets_allfunctions_basic),
TESTFUNC(test_sockets_msgapis),
TESTFUNC(test_sockets_select),
};
return create_suite("SOCKETS", tests, sizeof(tests)/sizeof(testfunc), sockets_setup, sockets_teardown);
}