Files
2018-05-24 19:52:43 +08:00

935 lines
25 KiB
C

#include "lwip/opt.h"
#ifdef SOCKETS_MT
#include "../../lwip/src/api/sockets.c"
#ifndef LWIP_SYNC_MT_SLEEP_MS
#define LWIP_SYNC_MT_SLEEP_MS 10
#endif
#ifndef SOCK_MT_DEBUG_LEVEL
#define SOCK_MT_DEBUG_LEVEL 255
#endif
typedef int (*lwip_io_mt_fn)(int , int );
enum sock_mt_stat{
SOCK_MT_STATE_NONE = 0,
SOCK_MT_STATE_BIND,
SOCK_MT_STATE_LISTEN,
SOCK_MT_STATE_ACCEPT,
SOCK_MT_STATE_CONNECT,
SOCK_MT_STATE_SEND,
};
enum sock_mt_shutdown {
SOCK_MT_SHUTDOWN_OK = 0,
SOCK_MT_SHUTDOWN_NONE
};
enum sock_mt_module {
SOCK_MT_STATE,
SOCK_MT_RECV,
SOCK_MT_IOCTL,
SOCK_MT_SELECT,
SOCK_MT_SHUTDOWN,
SOCK_MT_CLOSE,
SOCK_MT_MODULE_MAX,
};
enum sock_mt_lock {
SOCK_MT_STATE_LOCK,
SOCK_MT_RECV_LOCK,
SOCK_MT_IOCTRL_LOCK,
SOCK_MT_LOCK_MAX,
};
struct _sock_mt {
enum sock_mt_shutdown shutdown;
enum sock_mt_stat state;
int sel;
sys_mutex_t lock[SOCK_MT_LOCK_MAX];
};
typedef struct _sock_mt sock_mt_t;
#if (SOCK_MT_DEBUG_LEVEL < 16)
#define SOCK_MT_DEBUG(level, ...) \
if (level >= SOCK_MT_DEBUG_LEVEL) \
printf(__VA_ARGS__);
#else
#define SOCK_MT_DEBUG(level, ...)
#endif
#if 0
#define SOCK_MT_LOCK(s, l) \
{ \
SOCK_MT_DEBUG(1, "s %d l %d enter ", s, l); \
sys_mutex_lock(&sockets_mt[s].lock[l]); \
SOCK_MT_DEBUG(1, "OK\n"); \
}
#define SOCK_MT_LOCK_RET(s, l, r) \
{ \
SOCK_MT_LOCK(s, l); \
r = ERR_OK; \
}
#else
#define SOCK_MT_LOCK(s, l) \
{ \
SOCK_MT_DEBUG(1, "s %d l %d enter ", s, l); \
while (1) { \
err_t err; \
SYS_ARCH_DECL_PROTECT(lev); \
\
SYS_ARCH_PROTECT(lev); \
if (SOCK_MT_GET_SHUTDOWN(s) != SOCK_MT_SHUTDOWN_NONE) \
err = ERR_CLSD; \
else \
err = ERR_OK; \
if (err == ERR_OK) { \
if (sockets_mt[s].lock[l]) \
err = sys_mutex_trylock(&sockets_mt[s].lock[l]); \
else \
err = ERR_VAL; \
} \
SYS_ARCH_UNPROTECT(lev); \
\
if (err == ERR_OK) \
break; \
else if (err == ERR_VAL || err == ERR_CLSD) \
return -1; \
\
vTaskDelay(1); \
} \
SOCK_MT_DEBUG(1, "OK\n"); \
}
#define SOCK_MT_LOCK_RET(s, l, r) \
{ \
SOCK_MT_DEBUG(1, "s %d l %d enter ", s, l); \
while (1) { \
SYS_ARCH_DECL_PROTECT(lev); \
\
SYS_ARCH_PROTECT(lev); \
if (SOCK_MT_GET_SHUTDOWN(s) != SOCK_MT_SHUTDOWN_NONE) \
r = ERR_CLSD; \
else \
r = ERR_OK; \
if (r == ERR_OK) { \
if (sockets_mt[s].lock[l]) \
r = sys_mutex_trylock(&sockets_mt[s].lock[l]); \
else \
r = ERR_VAL; \
} \
SYS_ARCH_UNPROTECT(lev); \
\
if (r == ERR_OK || r == ERR_VAL || r == ERR_CLSD) \
break; \
vTaskDelay(1); \
} \
SOCK_MT_DEBUG(1, "OK\n"); \
}
#endif
#define SOCK_MT_TRYLOCK(s, l, r) \
{ \
SOCK_MT_DEBUG(1, "s %d l %d try enter ", s, l); \
r = sys_mutex_trylock(&sockets_mt[s].lock[l]); \
SOCK_MT_DEBUG(1, "ret %d OK\n", r); \
}
#define SOCK_MT_UNLOCK(s, l) \
{ \
SOCK_MT_DEBUG(1, "s %d l %d exit ", s, l); \
sys_mutex_unlock(&sockets_mt[s].lock[l]); \
SOCK_MT_DEBUG(1, "OK\n"); \
}
#define SOCK_MT_SET_STATE(s, stat) \
{ \
SYS_ARCH_DECL_PROTECT(lev); \
SYS_ARCH_PROTECT(lev); \
sockets_mt[s].state = stat; \
SYS_ARCH_UNPROTECT(lev); \
}
#define SOCK_MT_GET_STATE(s) \
sockets_mt[s].state
#define SOCK_MT_SET_SHUTDOWN(s, d) \
{ \
SYS_ARCH_DECL_PROTECT(lev); \
SYS_ARCH_PROTECT(lev); \
sockets_mt[s].shutdown = d; \
SYS_ARCH_UNPROTECT(lev); \
}
#define SOCK_MT_GET_SHUTDOWN(s) \
sockets_mt[s].shutdown
#define SOCK_MT_SET_WRITE_SEL(s) \
{ \
SYS_ARCH_DECL_PROTECT(lev); \
SYS_ARCH_PROTECT(lev); \
sockets_mt[s].sel |= 0x1; \
SYS_ARCH_UNPROTECT(lev); \
}
#define SOCK_MT_RESET_WRITE_SEL(s) \
{ \
SYS_ARCH_DECL_PROTECT(lev); \
SYS_ARCH_PROTECT(lev); \
sockets_mt[s].sel &= ~0x1; \
SYS_ARCH_UNPROTECT(lev); \
}
#define SOCK_MT_GET_WRITE_SEL(s) \
(sockets_mt[s].sel & 0x01)
#define SOCK_MT_SET_READ_SEL(s) \
{ \
SYS_ARCH_DECL_PROTECT(lev); \
SYS_ARCH_PROTECT(lev); \
sockets_mt[s].sel |= 0x2; \
SYS_ARCH_UNPROTECT(lev); \
}
#define SOCK_MT_RESET_READ_SEL(s) \
{ \
SYS_ARCH_DECL_PROTECT(lev); \
SYS_ARCH_PROTECT(lev); \
sockets_mt[s].sel &= ~0x2; \
SYS_ARCH_UNPROTECT(lev); \
}
#define SOCK_MT_GET_READ_SEL(s) \
(sockets_mt[s].sel & 0x02)
#define SOCK_MT_GET_SEL(s) \
sockets_mt[s].sel
#define SOCK_MT_SET_LINGER(sock) \
{ \
SYS_ARCH_DECL_PROTECT(lev); \
SYS_ARCH_PROTECT(lev); \
sock->conn->linger = 1; \
SYS_ARCH_UNPROTECT(lev); \
}
#define LWIP_ENTER_MT(s, m, p) \
{ \
int r; \
SOCK_MT_DEBUG(1, "enter s %d module %d args %d\n", s, m, p); \
r = lwip_enter_mt_table[m](s, p); \
SOCK_MT_DEBUG(1, "enter s %d ret %d\n", s, r); \
if (r) \
return -1; \
}
#define LWIP_EXIT_MT(s, m, p) \
{ \
int r; \
SOCK_MT_DEBUG(1, "exit s %d module %d args %d\n", s, m, p); \
r = lwip_exit_mt_table[m](s, p); \
SOCK_MT_DEBUG(1, "exit s %d ret %d\n", s, r); \
if (r) \
return -1; \
}
static sock_mt_t sockets_mt[NUM_SOCKETS];
static int lwip_enter_mt_state(int s, int arg)
{
if(tryget_socket(s) == NULL ||
SOCK_MT_GET_STATE(s) != SOCK_MT_STATE_NONE ||
SOCK_MT_GET_WRITE_SEL(s))
return -1;
SOCK_MT_LOCK(s, SOCK_MT_STATE_LOCK);
SOCK_MT_SET_STATE(s, arg);
return 0;
}
static int lwip_enter_mt_recv(int s, int arg)
{
if(tryget_socket(s) == NULL ||
SOCK_MT_GET_READ_SEL(s))
return -1;
SOCK_MT_LOCK(s, SOCK_MT_RECV_LOCK);
return 0;
}
static int lwip_enter_mt_shutdown(int s, int arg)
{
if(tryget_socket(s) == NULL
|| SOCK_MT_GET_SHUTDOWN(s) != SOCK_MT_SHUTDOWN_NONE)
return -1;
SOCK_MT_SET_SHUTDOWN(s, SOCK_MT_SHUTDOWN_OK);
return 0;
}
static int lwip_enter_mt_close(int s, int arg)
{
if(tryget_socket(s) == NULL)
return -1;
SOCK_MT_SET_SHUTDOWN(s, SOCK_MT_SHUTDOWN_OK);
return 0;
}
static int lwip_enter_mt_select(int s, int arg)
{
int i;
int *fdset = (int *)arg;
fd_set *read_set = (fd_set *)fdset[0];
fd_set *write_set = (fd_set *)fdset[1];
if (s > NUM_SOCKETS || s < 0)
return -1;
for (i = 0; i < s; i++) {
if(FD_ISSET(i, read_set) || FD_ISSET(i, write_set))
if (tryget_socket(i) == NULL)
goto failed1;
if (FD_ISSET(i, read_set)) {
err_t err;
SOCK_MT_SET_READ_SEL(i);
SOCK_MT_LOCK_RET(i, SOCK_MT_RECV_LOCK, err);
if (err != ERR_OK) {
goto failed2;
}
}
if (FD_ISSET(i, write_set)) {
err_t err;
SOCK_MT_SET_WRITE_SEL(i);
SOCK_MT_LOCK_RET(i, SOCK_MT_STATE_LOCK, err);
if (err != ERR_OK) {
goto failed3;
}
}
}
return 0;
failed3:
SOCK_MT_UNLOCK(i, SOCK_MT_STATE_LOCK);
SOCK_MT_RESET_WRITE_SEL(i);
failed2:
if (FD_ISSET(i, read_set)) {
SOCK_MT_UNLOCK(i, SOCK_MT_RECV_LOCK);
SOCK_MT_RESET_READ_SEL(i);
}
failed1:
for (i--; i >=0; i--) {
if (FD_ISSET(i, read_set) ){
SOCK_MT_UNLOCK(i, SOCK_MT_RECV_LOCK);
SOCK_MT_RESET_READ_SEL(i);
}
if (FD_ISSET(i, write_set)) {
SOCK_MT_UNLOCK(i, SOCK_MT_STATE_LOCK);
SOCK_MT_RESET_WRITE_SEL(i);
}
}
return -1;
}
static int lwip_enter_mt_ioctrl(int s, int arg)
{
if(tryget_socket(s) == NULL)
return -1;
SOCK_MT_LOCK(s, SOCK_MT_IOCTRL_LOCK);
return 0;
}
static int lwip_exit_mt_state(int s, int arg)
{
SOCK_MT_SET_STATE(s, SOCK_MT_STATE_NONE);
SOCK_MT_UNLOCK(s, SOCK_MT_STATE_LOCK);
if (SOCK_MT_GET_SHUTDOWN(s) != SOCK_MT_SHUTDOWN_NONE) {
return -1;
}
return 0;
}
static int lwip_exit_mt_recv(int s, int arg)
{
SOCK_MT_UNLOCK(s, SOCK_MT_RECV_LOCK);
if (SOCK_MT_GET_SHUTDOWN(s) != SOCK_MT_SHUTDOWN_NONE) {
return -1;
}
return 0;
}
static int lwip_exit_mt_shutdown(int s, int arg)
{
//SOCK_MT_SET_SHUTDOWN(s, SOCK_MT_STATE_NONE);
return 0;
}
static int lwip_exit_mt_close(int s, int arg)
{
return 0;
}
static int lwip_exit_mt_select(int s, int arg)
{
int i;
int *fdset = (int *)arg;
fd_set *read_set = (fd_set *)fdset[0];
fd_set *write_set = (fd_set *)fdset[1];
for (i = 0; i < s; i++) {
if (FD_ISSET(i, read_set)) {
SOCK_MT_UNLOCK(i, SOCK_MT_RECV_LOCK);
SOCK_MT_RESET_READ_SEL(i);
}
if (FD_ISSET(i, write_set)) {
SOCK_MT_UNLOCK(i, SOCK_MT_STATE_LOCK);
SOCK_MT_RESET_WRITE_SEL(i);
}
}
for (i = 0; i < s; i++) {
if ((FD_ISSET(i, read_set) || FD_ISSET(i, write_set)) \
&& SOCK_MT_GET_SHUTDOWN(i) != SOCK_MT_SHUTDOWN_NONE) {
return -1;
}
}
return 0;
}
static int lwip_exit_mt_ioctrl(int s, int arg)
{
SOCK_MT_UNLOCK(s, SOCK_MT_IOCTRL_LOCK);
if (SOCK_MT_GET_SHUTDOWN(s) != SOCK_MT_SHUTDOWN_NONE) {
return -1;
}
return 0;
}
static const lwip_io_mt_fn lwip_enter_mt_table[] = {
lwip_enter_mt_state,
lwip_enter_mt_recv,
lwip_enter_mt_ioctrl,
lwip_enter_mt_select,
lwip_enter_mt_shutdown,
lwip_enter_mt_close
};
static const lwip_io_mt_fn lwip_exit_mt_table[] = {
lwip_exit_mt_state,
lwip_exit_mt_recv,
lwip_exit_mt_ioctrl,
lwip_exit_mt_select,
lwip_exit_mt_shutdown,
lwip_exit_mt_close
};
static void lwip_do_sync_send(void *arg)
{
struct netconn *conn = arg;
SYS_ARCH_DECL_PROTECT(lev);
SYS_ARCH_PROTECT(lev);
if (conn->current_msg) {
conn->current_msg->err = ERR_OK;
conn->current_msg = NULL;
}
conn->state = NETCONN_NONE;
SYS_ARCH_UNPROTECT(lev);
if (sys_sem_valid(&(conn->snd_op_completed)))
sys_sem_signal(&(conn->snd_op_completed));
/*
* if we use "op_completed" for its sync semaphore, then socket functions
* which are blocked by op_completed will be waked up.
*
* So we had better use a specific semaphore for the function, ioctrl_completed
* may be a good choise.
*/
sys_sem_signal(&(conn->ioctrl_completed));
}
static void lwip_do_sync_rst_state(void *arg)
{
struct netconn *conn = arg;
SYS_ARCH_DECL_PROTECT(lev);
SYS_ARCH_PROTECT(lev);
conn->state = NETCONN_NONE;
SYS_ARCH_UNPROTECT(lev);
sys_sem_signal(&(conn->ioctrl_completed));
}
static void lwip_sync_state_mt(struct lwip_sock *sock , int state)
{
SOCK_MT_DEBUG(1, "sync state %d\n", state);
switch (state) {
case SOCK_MT_STATE_ACCEPT :
if (sys_mbox_valid(&sock->conn->acceptmbox))
sys_mbox_trypost(&sock->conn->acceptmbox, NULL);
break;
case SOCK_MT_STATE_SEND :
{
tcpip_callback(lwip_do_sync_send, sock->conn);
sys_arch_sem_wait(&sock->conn->ioctrl_completed, 0);
break;
}
case SOCK_MT_STATE_CONNECT :
if (sys_sem_valid(&(sock->conn->op_completed)))
sys_sem_signal(&(sock->conn->op_completed));
break;
default :
break;
}
}
static void lwip_sync_recv_mt(struct lwip_sock *sock)
{
SOCK_MT_DEBUG(1, "sync recv %d\n", sock->conn->socket);
if (sys_mbox_valid(&sock->conn->recvmbox))
sys_mbox_trypost(&sock->conn->recvmbox, NULL);
}
static void lwip_sync_select_mt(struct lwip_sock *sock)
{
SOCK_MT_DEBUG(1, "sync select %d\n", sock->conn->socket);
event_callback(sock->conn, NETCONN_EVT_ERROR, 0);
}
static void lwip_sync_mt(int s)
{
int module = 0;
int ret;
struct lwip_sock *sock;
while (module < SOCK_MT_SELECT) {
extern void sys_arch_msleep(int ms);
int ret;
SOCK_MT_TRYLOCK(s, module, ret);
if (ret == ERR_OK) {
/*
* we always lock the mutex in case of other thread entering,
* other thread will be blocked at "SOCK_MT_LOCK" and poll-check
*/
//SOCK_MT_UNLOCK(s, module);
module++;
continue;
}
sock = get_socket(s);
#if LWIP_SO_LINGER
if (SOCK_MT_GET_STATE(s) == SOCK_MT_STATE_SEND) {
SOCK_MT_SET_LINGER(sock);
}
#endif
if (!SOCK_MT_GET_SEL(s)) {
switch (module) {
case SOCK_MT_STATE:
lwip_sync_state_mt(sock, SOCK_MT_GET_STATE(s));
break;
case SOCK_MT_RECV:
lwip_sync_recv_mt(sock);
break;
default :
break;
}
} else {
lwip_sync_select_mt(sock);
}
sys_arch_msleep(LWIP_SYNC_MT_SLEEP_MS);
}
sock = tryget_socket(s);
if (sock) {
tcpip_callback(lwip_do_sync_rst_state, sock->conn);
sys_arch_sem_wait(&sock->conn->ioctrl_completed, 0);
}
}
int lwip_socket_mt(int domain, int type, int protocol)
{
int s;
int i;
s = lwip_socket(domain, type, protocol);
if (s < 0)
return -1;
for (i = 0; i < SOCK_MT_LOCK_MAX; i++) {
if (sys_mutex_new(&sockets_mt[s].lock[i]) != ERR_OK)
break;
}
if (i < SOCK_MT_LOCK_MAX) {
for (i-- ; i >= 0; i--) {
sys_mutex_free(&sockets_mt[s].lock[i]);
sockets_mt[s].lock[i] = NULL;
}
lwip_close(s);
s = -1;
}
if (s >= 0)
SOCK_MT_SET_SHUTDOWN(s, SOCK_MT_SHUTDOWN_NONE);
return s;
}
int lwip_bind_mt(int s, const struct sockaddr *name, socklen_t namelen)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_BIND);
ret = lwip_bind(s, name, namelen);
LWIP_EXIT_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_BIND);
return ret;
}
int lwip_connect_mt(int s, const struct sockaddr *name, socklen_t namelen)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_CONNECT);
ret = lwip_connect(s, name, namelen);
LWIP_EXIT_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_CONNECT);
return ret;
}
int lwip_listen_mt(int s, int backlog)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_LISTEN);
ret = lwip_listen(s, backlog);
LWIP_EXIT_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_LISTEN);
return ret;
}
int lwip_accept_mt(int s, struct sockaddr *addr, socklen_t *addrlen)
{
int i;
int ret;
LWIP_ENTER_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_ACCEPT)
ret = lwip_accept(s, addr, addrlen);
LWIP_EXIT_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_ACCEPT);
if (ret < 0)
return -1;
for (i = 0; i < SOCK_MT_LOCK_MAX; i++) {
if (sys_mutex_new(&sockets_mt[ret].lock[i]) != ERR_OK)
break;
}
if (i < SOCK_MT_LOCK_MAX) {
for (i-- ; i >= 0; i--) {
sys_mutex_free(&sockets_mt[ret].lock[i]);
sockets_mt[ret].lock[i] = NULL;
}
lwip_close(ret);
ret = -1;
}
if (ret >= 0)
SOCK_MT_SET_SHUTDOWN(ret, SOCK_MT_SHUTDOWN_NONE);
return ret;
}
int lwip_getpeername_mt(int s, struct sockaddr *name, socklen_t *namelen)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_IOCTL, 0);
ret = lwip_getpeername(s, name, namelen);
LWIP_EXIT_MT(s, SOCK_MT_IOCTL, 0);
return ret;
}
int lwip_getsockname_mt(int s, struct sockaddr *name, socklen_t *namelen)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_IOCTL, 0);
ret = lwip_getsockname(s, name, namelen);
LWIP_EXIT_MT(s, SOCK_MT_IOCTL, 0);
return ret;
}
int lwip_setsockopt_mt(int s, int level, int optname, const void *optval, socklen_t optlen)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_IOCTL, 0);
ret = lwip_setsockopt(s, level, optname, optval, optlen);
LWIP_EXIT_MT(s, SOCK_MT_IOCTL, 0);
return ret;
}
int lwip_getsockopt_mt(int s, int level, int optname, void *optval, socklen_t *optlen)
{
int ret;
if (optname == SO_ERROR ) {
int retval = 0;
if (SOCK_MT_GET_SHUTDOWN(s) != SOCK_MT_SHUTDOWN_NONE)
retval = ENOTCONN;
if (retval) {
*(int *)optval = retval;
return 0;
}
}
LWIP_ENTER_MT(s, SOCK_MT_IOCTL, 0);
ret = lwip_getsockopt(s, level, optname, optval, optlen);
LWIP_EXIT_MT(s, SOCK_MT_IOCTL, 0);
return ret;
}
int lwip_ioctl_mt(int s, long cmd, void *argp)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_IOCTL, 0)
ret = lwip_ioctl(s, cmd, argp);
LWIP_EXIT_MT(s, SOCK_MT_IOCTL, 0);
return ret;
}
int lwip_sendto_mt(int s, const void *data, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_SEND);
ret = lwip_sendto(s, data, size, flags, to, tolen);
LWIP_EXIT_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_SEND);
return ret;
}
int lwip_send_mt(int s, const void *data, size_t size, int flags)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_SEND);
ret = lwip_send(s, data, size, flags);
LWIP_EXIT_MT(s, SOCK_MT_STATE, SOCK_MT_STATE_SEND);
return ret;
}
int lwip_recvfrom_mt(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_RECV, 0);
ret = lwip_recvfrom(s, mem, len, flags, from, fromlen);
LWIP_EXIT_MT(s, SOCK_MT_RECV, 0);
return ret;
}
int lwip_recv_mt(int s, void *mem, size_t len, int flags)
{
return lwip_recvfrom_mt(s, mem, len, flags, NULL, NULL);
}
int lwip_read_mt(int s, void *mem, size_t len)
{
return lwip_recvfrom_mt(s, mem, len, 0, NULL, NULL);
}
int lwip_write_mt(int s, const void *data, size_t size)
{
return lwip_send_mt(s, data, size, 0);
}
int lwip_fcntl_mt(int s, int cmd, int val)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_IOCTL, 0);
ret = lwip_fcntl(s, cmd, val);
LWIP_EXIT_MT(s, SOCK_MT_IOCTL, 0);
return ret;
}
static int __lwip_shutdown_mt(int s, int how)
{
int ret;
LWIP_ENTER_MT(s, SOCK_MT_SHUTDOWN, 0);
lwip_sync_mt(s);
ret = lwip_shutdown(s, how);
LWIP_EXIT_MT(s, SOCK_MT_SHUTDOWN, 0);
return ret;
}
int lwip_shutdown_mt(int s, int how)
{
return lwip_shutdown(s, how);
}
int lwip_close_mt(int s)
{
int ret;
int i;
SYS_ARCH_DECL_PROTECT(lev);
sys_mutex_t lock_tmp[SOCK_MT_LOCK_MAX];
__lwip_shutdown_mt(s, SHUT_RDWR);
LWIP_ENTER_MT(s, SOCK_MT_CLOSE, 0);
ret = lwip_close(s);
LWIP_EXIT_MT(s, SOCK_MT_CLOSE, 0);
SYS_ARCH_PROTECT(lev);
for (i = 0 ; i < SOCK_MT_LOCK_MAX; i++) {
lock_tmp[i] = sockets_mt[s].lock[i];
sockets_mt[s].lock[i] = NULL;
}
SYS_ARCH_UNPROTECT(lev);
for (i = 0 ; i < SOCK_MT_LOCK_MAX; i++) {
sys_mutex_free(&lock_tmp[i]);
}
return ret;
}
int lwip_select_mt(int maxfdp1, fd_set *readset, fd_set *writeset,
fd_set *exceptset, struct timeval *timeout)
{
int ret;
fd_set read_set, write_set;
int pset[2] = {(int)&read_set, (int)&write_set};
FD_ZERO(&read_set);
FD_ZERO(&write_set);
if (readset)
MEMCPY(&read_set, readset, sizeof(fd_set));
if (writeset)
MEMCPY(&write_set, writeset, sizeof(fd_set));
LWIP_ENTER_MT(maxfdp1, SOCK_MT_SELECT, (int)pset);
ret = lwip_select(maxfdp1, readset, writeset, exceptset, timeout);
LWIP_EXIT_MT(maxfdp1, SOCK_MT_SELECT, (int)pset);
return ret;
}
#ifdef SOCKETS_TCP_TRACE
int lwip_trace_tcp(int s, int cmd, void *arg)
{
struct lwip_sock *sock;
u32_t *pbuf = (u32_t *)arg;
if (!(sock = tryget_socket(s)))
return -1;
ADD_TCP_SEND_BYTES_GET(sock->conn, &pbuf[0]);
ADD_TCP_SEND_BYTES_OK_GET(sock->conn, &pbuf[2]);
ADD_TCP_SEND_BYTES_NOMEM_GET(sock->conn, &pbuf[4]);
ADD_TCP_RECV_BYTES_GET(sock->conn, &pbuf[6]);
ADD_TCP_RECV_BYTES_ERR_GET(sock->conn, &pbuf[8]);
return 0;
}
#endif
#endif