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[components][net][sal]修复多线程访问创建相同fd的问题

This commit is contained in:
tangyuxin 2019-09-03 16:16:10 +08:00
parent 53e0a69608
commit 4219eb7fc3
1 changed files with 67 additions and 39 deletions
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106
components/net/sal_socket/src/sal_socket.c
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@ -94,12 +94,12 @@ do {
* SAL (Socket Abstraction Layer) initialize.
*
* @return result 0: initialize success
* -1: initialize failed
* -1: initialize failed
*/
int sal_init(void)
{
int cn;
if (init_ok)
{
LOG_D("Socket Abstraction Layer is already initialized.");
@ -115,7 +115,7 @@ int sal_init(void)
LOG_E("No memory for socket table.\n");
return -1;
}
/* create sal socket lock */
rt_mutex_init(&sal_core_lock, "sal_lock", RT_IPC_FLAG_FIFO);
@ -148,7 +148,7 @@ static void check_netdev_internet_up_work(struct rt_work *work, void *work_data)
char send_data[SAL_INTERNET_BUFF_LEN], recv_data = 0;
struct rt_delayed_work *delay_work = (struct rt_delayed_work *)work;
const char month[][SAL_INTERNET_MONTH_LEN] = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
const char month[][SAL_INTERNET_MONTH_LEN] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
char date[SAL_INTERNET_DATE_LEN];
int moth_num = 0;
@ -175,7 +175,7 @@ static void check_netdev_internet_up_work(struct rt_work *work, void *work_data)
}
skt_ops = pf->skt_ops;
if((sockfd = skt_ops->socket(AF_INET, SOCK_DGRAM, 0)) < 0)
if ((sockfd = skt_ops->socket(AF_INET, SOCK_DGRAM, 0)) < 0)
{
result = -RT_ERROR;
goto __exit;
@ -224,7 +224,7 @@ static void check_netdev_internet_up_work(struct rt_work *work, void *work_data)
send_data[11] = RT_REVISION;
skt_ops->sendto(sockfd, send_data, SAL_INTERNET_BUFF_LEN, 0,
(struct sockaddr *)&server_addr, sizeof(struct sockaddr));
(struct sockaddr *)&server_addr, sizeof(struct sockaddr));
result = skt_ops->recvfrom(sockfd, &recv_data, sizeof(recv_data), 0, (struct sockaddr *)&server_addr, &addr_len);
if (result < 0)
@ -242,7 +242,7 @@ __exit:
if (result > 0)
{
LOG_D("Set network interface device(%s) internet status up.", netdev->name);
netdev->flags |= NETDEV_FLAG_INTERNET_UP;
netdev->flags |= NETDEV_FLAG_INTERNET_UP;
}
else
{
@ -277,7 +277,7 @@ int sal_check_netdev_internet_up(struct netdev *netdev)
rt_delayed_work_init(net_work, check_netdev_internet_up_work, (void *)netdev);
rt_work_submit(&(net_work->work), RT_TICK_PER_SECOND);
return 0;
}
@ -316,10 +316,7 @@ struct sal_socket *sal_get_socket(int socket)
socket = socket - SAL_SOCKET_OFFSET;
/* check socket structure valid or not */
if (st->sockets[socket]->magic != SAL_SOCKET_MAGIC)
{
return RT_NULL;
}
RT_ASSERT(st->sockets[socket]->magic == SAL_SOCKET_MAGIC);
return st->sockets[socket];
}
@ -376,7 +373,8 @@ int sal_netdev_cleanup(struct netdev *netdev)
{
rt_thread_mdelay(rt_tick_from_millisecond(100));
}
} while (find_dev);
}
while (find_dev);
return 0;
}
@ -428,7 +426,7 @@ static int socket_init(int family, int type, int protocol, struct sal_socket **r
flag = RT_TRUE;
}
}
if (flag == RT_FALSE)
{
/* get network interface device by protocol family */
@ -452,8 +450,7 @@ static int socket_alloc(struct sal_socket_table *st, int f_socket)
/* find an empty socket entry */
for (idx = f_socket; idx < (int) st->max_socket; idx++)
{
if (st->sockets[idx] == RT_NULL ||
st->sockets[idx]->netdev == RT_NULL)
if (st->sockets[idx] == RT_NULL)
{
break;
}
@ -497,6 +494,15 @@ __result:
return idx;
}
static void socket_free(struct sal_socket_table *st, int idx)
{
struct sal_socket *sock;
sock = st->sockets[idx];
st->sockets[idx] = RT_NULL;
rt_free(sock);
}
static int socket_new(void)
{
struct sal_socket *sock;
@ -529,18 +535,38 @@ __result:
return idx + SAL_SOCKET_OFFSET;
}
static void socket_delete(int socket)
{
struct sal_socket *sock;
struct sal_socket_table *st = &socket_table;
int idx;
idx = socket - SAL_SOCKET_OFFSET;
if (idx < 0 || idx >= (int) st->max_socket)
{
return;
}
sal_lock();
sock = sal_get_socket(socket);
RT_ASSERT(sock != RT_NULL);
sock->magic = 0;
sock->netdev = RT_NULL;
socket_free(st, idx);
sal_unlock();
}
int sal_accept(int socket, struct sockaddr *addr, socklen_t *addrlen)
{
int new_socket;
struct sal_socket *sock;
struct sal_proto_family *pf;
struct sal_proto_family *pf;
/* get the socket object by socket descriptor */
SAL_SOCKET_OBJ_GET(sock, socket);
/* check the network interface socket operations */
SAL_NETDEV_SOCKETOPS_VALID(sock->netdev, pf, accept);
new_socket = pf->skt_ops->accept((int) sock->user_data, addr, addrlen);
if (new_socket != -1)
{
@ -550,18 +576,20 @@ int sal_accept(int socket, struct sockaddr *addr, socklen_t *addrlen)
/* allocate a new socket structure and registered socket options */
new_sal_socket = socket_new();
if (new_sal_socket < 0)
new_sock = sal_get_socket(new_sal_socket);
if (new_sock == RT_NULL)
{
pf->skt_ops->closesocket(new_socket);
return -1;
}
new_sock = sal_get_socket(new_sal_socket);
retval = socket_init(sock->domain, sock->type, sock->protocol, &new_sock);
if (retval < 0)
{
pf->skt_ops->closesocket(new_socket);
rt_memset(new_sock, 0x00, sizeof(struct sal_socket));
/* socket init failed, delete socket */
socket_delete(new_sal_socket);
LOG_E("New socket registered failed, return error %d.", retval);
return -1;
}
@ -587,7 +615,7 @@ static void sal_sockaddr_to_ipaddr(const struct sockaddr *name, ip_addr_t *local
#elif NETDEV_IPV6
#error "not only support IPV6"
#endif /* NETDEV_IPV4 && NETDEV_IPV6*/
}
}
int sal_bind(int socket, const struct sockaddr *name, socklen_t namelen)
{
@ -636,7 +664,7 @@ int sal_bind(int socket, const struct sockaddr *name, socklen_t namelen)
sock->user_data = (void *) new_socket;
}
}
/* check and get protocol families by the network interface device */
SAL_NETDEV_SOCKETOPS_VALID(sock->netdev, pf, bind);
return pf->skt_ops->bind((int) sock->user_data, name, namelen);
@ -673,9 +701,8 @@ int sal_shutdown(int socket, int how)
error = -1;
}
/* free socket */
rt_free(sock);
socket_table.sockets[socket] = RT_NULL;
/* delete socket */
socket_delete(socket);
return error;
}
@ -791,7 +818,7 @@ int sal_connect(int socket, const struct sockaddr *name, socklen_t namelen)
{
return -1;
}
return ret;
}
#endif
@ -814,7 +841,7 @@ int sal_listen(int socket, int backlog)
}
int sal_recvfrom(int socket, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen)
struct sockaddr *from, socklen_t *fromlen)
{
struct sal_socket *sock;
struct sal_proto_family *pf;
@ -831,11 +858,11 @@ int sal_recvfrom(int socket, void *mem, size_t len, int flags,
if (SAL_SOCKOPS_PROTO_TLS_VALID(sock, recv))
{
int ret;
if ((ret = proto_tls->ops->recv(sock->user_data_tls, mem, len)) < 0)
{
return -1;
}
}
return ret;
}
else
@ -848,7 +875,7 @@ int sal_recvfrom(int socket, void *mem, size_t len, int flags,
}
int sal_sendto(int socket, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen)
const struct sockaddr *to, socklen_t tolen)
{
struct sal_socket *sock;
struct sal_proto_family *pf;
@ -865,11 +892,11 @@ int sal_sendto(int socket, const void *dataptr, size_t size, int flags,
if (SAL_SOCKOPS_PROTO_TLS_VALID(sock, send))
{
int ret;
if ((ret = proto_tls->ops->send(sock->user_data_tls, dataptr, size)) < 0)
{
return -1;
}
}
return ret;
}
else
@ -907,6 +934,7 @@ int sal_socket(int domain, int type, int protocol)
if (retval < 0)
{
LOG_E("SAL socket protocol family input failed, return error %d.", retval);
socket_delete(socket);
return -1;
}
@ -922,6 +950,7 @@ int sal_socket(int domain, int type, int protocol)
sock->user_data_tls = proto_tls->ops->socket(socket);
if (sock->user_data_tls == RT_NULL)
{
socket_delete(socket);
return -1;
}
}
@ -964,9 +993,8 @@ int sal_closesocket(int socket)
error = -1;
}
/* free socket */
rt_free(sock);
socket_table.sockets[socket] = RT_NULL;
/* delete socket */
socket_delete(socket);
return error;
}
@ -1027,7 +1055,7 @@ struct hostent *sal_gethostbyname(const char *name)
}
int sal_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
size_t buflen, struct hostent **result, int *h_errnop)
size_t buflen, struct hostent **result, int *h_errnop)
{
struct netdev *netdev = netdev_default;
struct sal_proto_family *pf;
@ -1050,9 +1078,9 @@ int sal_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
}
int sal_getaddrinfo(const char *nodename,
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res)
const char *servname,
const struct addrinfo *hints,
struct addrinfo **res)
{
struct netdev *netdev = netdev_default;
struct sal_proto_family *pf;