mirror of
https://github.com/espressif/ESP8266_RTOS_SDK.git
synced 2025-05-23 01:58:24 +08:00
833 lines
19 KiB
C
833 lines
19 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "lwip/opt.h"
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#ifdef SOCKETS_MT
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#define SOCKETS_MT_DISABLE_SHUTDOWN
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#include "lwip/priv/api_msg.h"
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/* disable all LWIP socket API when compiling LWIP raw socket */
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#undef lwip_accept
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#undef lwip_bind
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#undef lwip_shutdown
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#undef lwip_getpeername
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#undef lwip_getsockname
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#undef lwip_setsockopt
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#undef lwip_getsockopt
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#undef lwip_close
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#undef lwip_connect
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#undef lwip_listen
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#undef lwip_recv
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#undef lwip_recvfrom
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#undef lwip_send
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#undef lwip_sendmsg
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#undef lwip_sendto
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#undef lwip_socket
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#undef lwip_select
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#undef lwip_ioctlsocket
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#define lwip_accept lwip_accept_esp
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#define lwip_bind lwip_bind_esp
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#define lwip_shutdown lwip_shutdown_esp
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#define lwip_getpeername lwip_getpeername_esp
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#define lwip_getsockname lwip_getsockname_esp
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#define lwip_setsockopt lwip_setsockopt_esp
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#define lwip_getsockopt lwip_getsockopt_esp
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#define lwip_close lwip_closesocket_esp
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#define lwip_connect lwip_connect_esp
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#define lwip_listen lwip_listen_esp
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#define lwip_recv lwip_recv_esp
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#define lwip_recvfrom lwip_recvfrom_esp
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#define lwip_send lwip_send_esp
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#define lwip_sendmsg lwip_sendmsg_esp
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#define lwip_sendto lwip_sendto_esp
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#define lwip_socket lwip_socket_esp
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#define lwip_select lwip_select_esp
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#define lwip_ioctlsocket lwip_ioctl_esp
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#undef lwip_read
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#undef lwip_write
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#undef lwip_writev
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#undef lwip_close
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#undef closesocket
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#undef lwip_fcntl
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#undef lwip_ioctl
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#define lwip_read lwip_read_esp
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#define lwip_write lwip_write_esp
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#define lwip_writev lwip_writev_esp
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#define lwip_close lwip_close_esp
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#define lwip_fcntl lwip_fcntl_esp
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#define lwip_ioctl lwip_ioctl_esp
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#include "../../lwip/src/api/sockets.c"
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/* disable macros to enable LWIP function */
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#undef lwip_accept
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#undef lwip_bind
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#undef lwip_shutdown
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#undef lwip_getpeername
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#undef lwip_getsockname
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#undef lwip_setsockopt
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#undef lwip_getsockopt
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#undef lwip_close
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#undef lwip_connect
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#undef lwip_listen
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#undef lwip_recv
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#undef lwip_recvfrom
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#undef lwip_send
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#undef lwip_sendmsg
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#undef lwip_sendto
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#undef lwip_socket
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#undef lwip_select
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#undef lwip_ioctlsocket
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#undef lwip_read
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#undef lwip_write
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#undef lwip_writev
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#undef lwip_close
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#undef closesocket
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#undef lwip_fcntl
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#undef lwip_ioctl
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/********************************************************************/
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#define LWIP_SYNC_MT_SLEEP_MS 10
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#define SOCK_MT_DEBUG_LEVEL 255
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typedef struct socket_conn_sync {
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struct tcpip_api_call_data call;
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struct netconn *conn;
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} socket_conn_sync_t;
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typedef int (*lwip_io_mt_fn)(int, int );
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/* Use about 2 bit */
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#define SOCK_MT_STATE_SOCK 0
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#define SOCK_MT_STATE_ACCEPT 1
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#define SOCK_MT_STATE_CONNECT 2
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#define SOCK_MT_STATE_SEND 3
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#define SOCK_MT_STATE_ILL 4
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#define SOCK_MT_LOCK_SEND (1 << 0)
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#define SOCK_MT_LOCK_RECV (1 << 1)
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#define SOCK_MT_LOCK_IOCTL (1 << 2)
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#define SOCK_MT_LOCK_MIN SOCK_MT_LOCK_SEND
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#define SOCK_MT_LOCK_MAX SOCK_MT_LOCK_IOCTL
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#define SOCK_MT_SELECT_RECV (1 << 0)
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#define SOCK_MT_SELECT_SEND (1 << 1)
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typedef struct _sock_mt {
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uint8_t opened : 1;
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uint8_t state : 2;
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uint8_t select : 2;
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uint8_t lock : 3;
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} sock_mt_t;
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#if (SOCK_MT_DEBUG_LEVEL < 16)
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#define SOCK_MT_DEBUG(level, ...) \
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if (level >= SOCK_MT_DEBUG_LEVEL) \
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printf(__VA_ARGS__);
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#else
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#define SOCK_MT_DEBUG(level, ...)
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#endif
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#define SOCK_MT_ENTER_CHECK(s, l, st) \
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{ \
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if (_sock_lock(s, l) != ERR_OK) \
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return -1; \
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if (st != SOCK_MT_STATE_ILL) \
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_sock_set_state(s, st); \
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}
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#define SOCK_MT_EXIT_CHECK(s, l, st) \
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{ \
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if (st != SOCK_MT_STATE_ILL) \
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_sock_set_state(s, SOCK_MT_STATE_SOCK); \
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if (_sock_unlock(s, l) != ERR_OK) \
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return -1; \
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}
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static volatile sock_mt_t DRAM_ATTR sockets_mt[NUM_SOCKETS];
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static inline void _sock_mt_init(int s)
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{
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memset((void *)&sockets_mt[s - LWIP_SOCKET_OFFSET], 0, sizeof(sock_mt_t));
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}
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static inline int _sock_is_opened(int s)
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{
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return sockets_mt[s - LWIP_SOCKET_OFFSET].opened != 0;
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}
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static inline void _sock_set_open(int s, int opened)
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{
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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sockets_mt[s - LWIP_SOCKET_OFFSET].opened = opened;
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SYS_ARCH_UNPROTECT(lev);
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}
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static inline void _sock_set_state(int s, int state)
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{
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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sockets_mt[s - LWIP_SOCKET_OFFSET].state = state;
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SYS_ARCH_UNPROTECT(lev);
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}
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static inline int _sock_get_state(int s)
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{
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return sockets_mt[s - LWIP_SOCKET_OFFSET].state;
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}
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static inline int _sock_get_select(int s, int select)
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{
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return sockets_mt[s - LWIP_SOCKET_OFFSET].select & select;
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}
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static int inline _sock_is_lock(int s, int l)
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{
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return sockets_mt[s - LWIP_SOCKET_OFFSET].lock & l;
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}
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static int inline _sock_next_lock(int lock)
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{
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return lock << 1;
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}
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static void inline _sock_set_select(int s, int select)
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{
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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sockets_mt[s - LWIP_SOCKET_OFFSET].select |= select;
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SYS_ARCH_UNPROTECT(lev);
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}
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static void inline _sock_reset_select(int s, int select)
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{
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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sockets_mt[s - LWIP_SOCKET_OFFSET].select &= ~select;
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SYS_ARCH_UNPROTECT(lev);
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}
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static int _sock_try_lock(int s, int l)
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{
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int ret = ERR_OK;
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SYS_ARCH_DECL_PROTECT(lev);
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if (!_sock_is_opened(s)) {
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ret = ERR_CLSD;
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goto exit;
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}
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if (sockets_mt[s - LWIP_SOCKET_OFFSET].lock & l) {
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ret = ERR_INPROGRESS;
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goto exit;
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}
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SYS_ARCH_PROTECT(lev);
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sockets_mt[s - LWIP_SOCKET_OFFSET].lock |= l;
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SYS_ARCH_UNPROTECT(lev);
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exit:
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return ret;
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}
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static int _sock_lock(int s, int l)
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{
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int ret = ERR_OK;
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if (tryget_socket(s) == NULL)
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return -1;
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SOCK_MT_DEBUG(1, "s %d l %d enter ", s, l);
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while (1) {
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ret = _sock_try_lock(s, l);
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if (ret != ERR_INPROGRESS)
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break;
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vTaskDelay(1);
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}
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SOCK_MT_DEBUG(1, "OK %d\n", ret);
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return ret;
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}
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static int _sock_unlock(int s, int l)
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{
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int ret = 0;
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SYS_ARCH_DECL_PROTECT(lev);
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SOCK_MT_DEBUG(1, "s %d l %d exit ", s, l);
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SYS_ARCH_PROTECT(lev);
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sockets_mt[s - LWIP_SOCKET_OFFSET].lock &= ~l;
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SYS_ARCH_UNPROTECT(lev);
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if (!_sock_is_opened(s)) {
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ret = ERR_CLSD;
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goto exit;
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}
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exit:
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SOCK_MT_DEBUG(1, "OK %d\n", ret);
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return ret;
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}
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static int lwip_enter_mt_select(int s, fd_set *read_set, fd_set *write_set)
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{
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int i;
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if (s > NUM_SOCKETS + LWIP_SOCKET_OFFSET || s < LWIP_SOCKET_OFFSET)
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return -1;
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for (i = 0; i < s; i++) {
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if(FD_ISSET(i, read_set) || FD_ISSET(i, write_set))
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if (tryget_socket(i) == NULL)
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goto failed1;
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if (FD_ISSET(i, read_set)) {
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err_t err;
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_sock_set_select(i, SOCK_MT_SELECT_RECV);
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err = _sock_lock(i, SOCK_MT_LOCK_RECV);
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if (err != ERR_OK) {
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goto failed2;
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}
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}
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if (FD_ISSET(i, write_set)) {
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err_t err;
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_sock_set_select(i, SOCK_MT_SELECT_SEND);
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err = _sock_lock(i, SOCK_MT_LOCK_SEND);
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if (err != ERR_OK) {
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goto failed3;
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}
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}
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}
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return 0;
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failed3:
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_sock_unlock(i, SOCK_MT_LOCK_SEND);
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_sock_reset_select(i, SOCK_MT_SELECT_SEND);
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failed2:
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if (FD_ISSET(i, read_set)) {
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_sock_unlock(i, SOCK_MT_LOCK_RECV);
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_sock_reset_select(i, SOCK_MT_SELECT_RECV);
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}
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failed1:
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for (i--; i >=0; i--) {
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if (FD_ISSET(i, read_set) ) {
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_sock_unlock(i, SOCK_MT_LOCK_RECV);
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_sock_reset_select(i, SOCK_MT_SELECT_RECV);
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}
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if (FD_ISSET(i, write_set)) {
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_sock_unlock(i, SOCK_MT_LOCK_SEND);
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_sock_reset_select(i, SOCK_MT_SELECT_SEND);
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}
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}
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return -1;
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}
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static void lwip_exit_mt_select(int s, fd_set *read_set, fd_set *write_set)
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{
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int i;
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for (i = 0; i < s; i++) {
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if (FD_ISSET(i, read_set)) {
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_sock_unlock(i, SOCK_MT_LOCK_RECV);
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_sock_reset_select(i, SOCK_MT_SELECT_RECV);
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}
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if (FD_ISSET(i, write_set)) {
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_sock_unlock(i, SOCK_MT_LOCK_SEND);
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_sock_reset_select(i, SOCK_MT_SELECT_SEND);
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}
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}
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}
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static err_t lwip_do_sync_accept(struct tcpip_api_call_data *call)
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{
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socket_conn_sync_t *sync = (socket_conn_sync_t *)call;
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struct netconn *conn = sync->conn;
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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if (sys_mbox_valid(&conn->acceptmbox))
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sys_mbox_trypost(&conn->acceptmbox, NULL);
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conn->state = NETCONN_NONE;
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SYS_ARCH_UNPROTECT(lev);
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return ERR_OK;
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}
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static err_t lwip_do_sync_send(struct tcpip_api_call_data *call)
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{
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socket_conn_sync_t *sync = (socket_conn_sync_t *)call;
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struct netconn *conn = sync->conn;
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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if (conn->current_msg) {
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conn->current_msg->err = ERR_OK;
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if (sys_sem_valid(conn->current_msg->op_completed_sem))
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sys_sem_signal(conn->current_msg->op_completed_sem);
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conn->current_msg = NULL;
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}
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conn->state = NETCONN_NONE;
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SYS_ARCH_UNPROTECT(lev);
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return ERR_OK;
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}
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static err_t lwip_do_sync_recv_state(struct tcpip_api_call_data *call)
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{
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socket_conn_sync_t *sync = (socket_conn_sync_t *)call;
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struct netconn *conn = sync->conn;
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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SOCK_MT_DEBUG(1, "sync recv %d\n", conn->socket);
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if (sys_mbox_valid(&conn->recvmbox))
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sys_mbox_trypost(&conn->recvmbox, NULL);
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conn->state = NETCONN_NONE;
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SYS_ARCH_UNPROTECT(lev);
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return ERR_OK;
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}
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static err_t lwip_do_sync_select_state(struct tcpip_api_call_data *call)
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{
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socket_conn_sync_t *sync = (socket_conn_sync_t *)call;
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struct netconn *conn = sync->conn;
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SYS_ARCH_DECL_PROTECT(lev);
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SYS_ARCH_PROTECT(lev);
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event_callback(conn, NETCONN_EVT_ERROR, 0);
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conn->state = NETCONN_NONE;
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SYS_ARCH_UNPROTECT(lev);
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return ERR_OK;
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}
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static void lwip_sync_state_mt(int s)
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{
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struct lwip_sock *sock = tryget_socket(s);
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int state = _sock_get_state(s);
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socket_conn_sync_t sync = {
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.conn = sock->conn,
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};
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SOCK_MT_DEBUG(1, "sync state %d\n", state);
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switch (state) {
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case SOCK_MT_STATE_ACCEPT :
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tcpip_api_call(lwip_do_sync_accept, &sync.call);
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break;
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case SOCK_MT_STATE_CONNECT:
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case SOCK_MT_STATE_SEND :
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tcpip_api_call(lwip_do_sync_send, &sync.call);
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break;
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default :
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break;
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}
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}
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static void lwip_sync_recv_mt(int s)
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{
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struct lwip_sock *sock = tryget_socket(s);
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socket_conn_sync_t sync = {
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.conn = sock->conn,
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};
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tcpip_api_call(lwip_do_sync_recv_state, &sync.call);
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}
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static void lwip_sync_select_mt(int s)
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{
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struct lwip_sock *sock = tryget_socket(s);
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socket_conn_sync_t sync = {
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.conn = sock->conn,
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};
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tcpip_api_call(lwip_do_sync_select_state, &sync.call);
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}
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static void lwip_sync_mt(int s, int how)
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{
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int lock = SOCK_MT_LOCK_MIN;
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do {
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if (_sock_is_lock(s, lock)) {
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int need_wait = 0;
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extern void sys_arch_msleep(int ms);
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if (!_sock_get_select(s, SOCK_MT_SELECT_RECV | SOCK_MT_SELECT_SEND)) {
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switch (lock) {
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case SOCK_MT_LOCK_SEND:
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lwip_sync_state_mt(s);
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need_wait = 1;
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break;
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case SOCK_MT_LOCK_RECV:
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lwip_sync_recv_mt(s);
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need_wait = 1;
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break;
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default :
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break;
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}
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} else {
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lwip_sync_select_mt(s);
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need_wait = 1;
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}
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if (need_wait)
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sys_arch_msleep(LWIP_SYNC_MT_SLEEP_MS);
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} else
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lock = _sock_next_lock(lock);
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} while (lock < SOCK_MT_LOCK_MAX);
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}
|
|
|
|
#if SET_SOLINGER_DEFAULT
|
|
#if LWIP_SO_LINGER
|
|
static void lwip_socket_set_so_link(int s, int linger)
|
|
{
|
|
struct lwip_sock *sock = get_socket(s);
|
|
|
|
if (sock) {
|
|
/*
|
|
* linker:
|
|
* -1: nothing
|
|
* 0: free sent_buf immediately
|
|
*/
|
|
sock->conn->linger = linger;
|
|
}
|
|
}
|
|
#else
|
|
#error "LWIP_SO_LINGER must be enable"
|
|
#endif /* LWIP_SO_LINGER */
|
|
#else /* SET_SOLINGER_DEFAULT */
|
|
#define lwip_socket_set_so_link(_s, _linger)
|
|
#endif /* SET_SOLINGER_DEFAULT */
|
|
|
|
int lwip_socket(int domain, int type, int protocol)
|
|
{
|
|
int s;
|
|
|
|
s = lwip_socket_esp(domain, type, protocol);
|
|
if (s < 0)
|
|
return -1;
|
|
|
|
lwip_socket_set_so_link(s, 0);
|
|
_sock_mt_init(s);
|
|
_sock_set_open(s, 1);
|
|
|
|
return s;
|
|
}
|
|
|
|
int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_ILL);
|
|
|
|
ret = lwip_bind_esp(s, name, namelen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_CONNECT);
|
|
|
|
ret = lwip_connect_esp(s, name, namelen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_CONNECT);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_listen(int s, int backlog)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_ILL);
|
|
|
|
lwip_socket_set_so_link(s, -1);
|
|
|
|
ret = lwip_listen_esp(s, backlog);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_ACCEPT)
|
|
|
|
lwip_socket_set_so_link(s, -1);
|
|
|
|
ret = lwip_accept_esp(s, addr, addrlen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_ACCEPT);
|
|
|
|
if (ret < 0)
|
|
return -1;
|
|
|
|
lwip_socket_set_so_link(ret, 0);
|
|
_sock_mt_init(ret);
|
|
_sock_set_open(ret, 1);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_getpeername(int s, struct sockaddr *name, socklen_t *namelen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
ret = lwip_getpeername_esp(s, name, namelen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_getsockname(int s, struct sockaddr *name, socklen_t *namelen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
ret = lwip_getsockname_esp(s, name, namelen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
ret = lwip_setsockopt_esp(s, level, optname, optval, optlen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
|
|
{
|
|
int ret;
|
|
|
|
if (tryget_socket(s) == NULL)
|
|
return -1;
|
|
|
|
if (optname == SO_ERROR) {
|
|
int retval = 0;
|
|
|
|
if (!_sock_is_opened(s))
|
|
retval = ENOTCONN;
|
|
|
|
if (retval) {
|
|
*(int *)optval = retval;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
ret = lwip_getsockopt_esp(s, level, optname, optval, optlen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_ioctl(int s, long cmd, void *argp)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL)
|
|
|
|
ret = lwip_ioctl_esp(s, cmd, argp);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_sendto(int s, const void *data, size_t size, int flags,
|
|
const struct sockaddr *to, socklen_t tolen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_SEND);
|
|
|
|
ret = lwip_sendto_esp(s, data, size, flags, to, tolen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_SEND);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_send(int s, const void *data, size_t size, int flags)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_SEND);
|
|
|
|
ret = lwip_send_esp(s, data, size, flags);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_SEND, SOCK_MT_STATE_SEND);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_recvfrom(int s, void *mem, size_t len, int flags,
|
|
struct sockaddr *from, socklen_t *fromlen)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_RECV, SOCK_MT_STATE_ILL);
|
|
|
|
ret = lwip_recvfrom_esp(s, mem, len, flags, from, fromlen);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_RECV, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_recv(int s, void *mem, size_t len, int flags)
|
|
{
|
|
return lwip_recvfrom(s, mem, len, flags, NULL, NULL);
|
|
}
|
|
|
|
int lwip_read(int s, void *mem, size_t len)
|
|
{
|
|
return lwip_recvfrom(s, mem, len, 0, NULL, NULL);
|
|
}
|
|
|
|
int lwip_write(int s, const void *data, size_t size)
|
|
{
|
|
return lwip_send(s, data, size, 0);
|
|
}
|
|
|
|
int lwip_fcntl(int s, int cmd, int val)
|
|
{
|
|
int ret;
|
|
|
|
SOCK_MT_ENTER_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
ret = lwip_fcntl_esp(s, cmd, val);
|
|
|
|
SOCK_MT_EXIT_CHECK(s, SOCK_MT_LOCK_IOCTL, SOCK_MT_STATE_ILL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_shutdown(int s, int how)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int lwip_close(int s)
|
|
{
|
|
int ret;
|
|
SYS_ARCH_DECL_PROTECT(lev);
|
|
|
|
if (tryget_socket(s) == NULL)
|
|
return -1;
|
|
|
|
SYS_ARCH_PROTECT(lev);
|
|
if (_sock_is_opened(s)) {
|
|
_sock_set_open(s, 0);
|
|
SYS_ARCH_UNPROTECT(lev);
|
|
} else {
|
|
SYS_ARCH_UNPROTECT(lev);
|
|
return -1;
|
|
}
|
|
|
|
#if ESP_UDP
|
|
struct lwip_sock *sock = get_socket(s);
|
|
if (sock)
|
|
udp_sync_close_netconn(sock->conn);
|
|
#endif
|
|
|
|
lwip_sync_mt(s, SHUT_RDWR);
|
|
|
|
ret = lwip_close_esp(s);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset,
|
|
fd_set *exceptset, struct timeval *timeout)
|
|
{
|
|
int ret;
|
|
fd_set read_set, write_set;
|
|
|
|
if (readset)
|
|
MEMCPY(&read_set, readset, sizeof(fd_set));
|
|
else
|
|
FD_ZERO(&read_set);
|
|
|
|
if (writeset)
|
|
MEMCPY(&write_set, writeset, sizeof(fd_set));
|
|
else
|
|
FD_ZERO(&write_set);
|
|
|
|
ret = lwip_enter_mt_select(maxfdp1, &read_set, &write_set);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = lwip_select_esp(maxfdp1, readset, writeset, exceptset, timeout);
|
|
|
|
lwip_exit_mt_select(maxfdp1, &read_set, &write_set);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#endif
|