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nodemcu-firmware/app/include/sys/socket.h

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/*
* ESPRSSIF MIT License
*
* Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
*
* Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef ESP_SOCKET_H_
#define ESP_SOCKET_H_
#include "lwip/inet.h"
#include "lwip/opt.h"
#include "sys/ringbuf.h"
#if 0
#define ESP_LOG os_printf
#else
#define ESP_LOG(...)
#endif
#define NUM_SOCKETS 3
#define ESP_OK 0 /* No error, everything OK. */
#define ESP_MEM -1 /* Out of memory error. */
#define ESP_TIMEOUT -3 /* Timeout. */
#define ESP_RTE -4 /* Routing problem. */
#define ESP_INPROGRESS -5 /* Operation in progress */
#define ESP_MAXNUM -7 /* Total number exceeds the set maximum*/
#define ESP_ABRT -8 /* Connection aborted. */
#define ESP_RST -9 /* Connection reset. */
#define ESP_CLSD -10 /* Connection closed. */
#define ESP_CONN -11 /* Not connected. */
#define ESP_ARG -12 /* Illegal argument. */
#define ESP_IF -14 /* Low_level error */
#define ESP_ISCONN -15 /* Already connected. */
typedef enum{
NETCONN_STATE_NONE = 0,
NETCONN_STATE_ESTABLISHED,
NETCONN_STATE_WRITE,
NETCONN_STATE_READ,
NETCONN_STATE_CLOSED,
NETCONN_STATE_ERROR,
NETCONN_STATE_SUMNUM
}netconn_state;
#if (!defined(lwIP_unlikely))
#define lwIP_unlikely(Expression) !!(Expression)
#endif
#define lwIP_ASSERT(Expression) do{if (!(Expression)) ESP_LOG("%d\n", __LINE__);}while(0)
#define lwIP_REQUIRE_ACTION(Expression,Label,Action) \
do{\
if (lwIP_unlikely(!(Expression))) \
{\
ESP_LOG("%d\n", __LINE__);\
{Action;}\
goto Label;\
}\
}while(0)
#define lwIP_REQUIRE_NOERROR(Expression,Label) \
do{\
int LocalError;\
LocalError = (int)Expression;\
if (lwIP_unlikely(LocalError != 0)) \
{\
ESP_LOG("%d 0x%x\n", __LINE__, LocalError);\
goto Label;\
}\
}while(0)
#define lwIP_REQUIRE_NOERROR_ACTION(Expression,Label,Action) \
do{\
int LocalError;\
LocalError = (int)Expression;\
if (lwIP_unlikely(LocalError != 0)) \
{\
ESP_LOG("%d\n", __LINE__);\
{Action;}\
goto Label;\
}\
}while(0)
#define lwIP_EVENT_PARSE(s, error) \
do { \
mbedtls_parse_internal(s, error); \
} while (0)
#define lwIP_EVENT_THREAD(s, event, error) \
do { \
mbedtls_parse_thread(s, event, error); \
}while(0)
typedef enum{
ENTCONN_EVENT_NONE = 0,
NETCONN_EVENT_ESTABLISHED = 1,
ENTCONN_EVENT_RECV = 2,
NETCONN_EVENT_SEND = 3,
NETCONN_EVENT_ERROR = 4,
NETCONN_EVENT_CLOSE = 5,
NETCONN_EVENT_SUMNUM = 6
}netconn_event;
typedef enum _netconn_type {
NETCONN_INVALID = 0,
/* ESPCONN_TCP Group */
NETCONN_TCP = 0x10,
/* ESPCONN_UDP Group */
NETCONN_UDP = 0x20,
} netconn_type;
/* members are in network byte order */
struct sockaddr_in {
u8_t sin_len;
u8_t sin_family;
u16_t sin_port;
struct in_addr sin_addr;
char sin_zero[8];
};
/** A netconn descriptor */
typedef struct _lwIP_netconn{
/** flags blocking or nonblocking defines */
uint8 flags;
/** type of the lwIP_netconn (TCP, UDP) */
netconn_type type;
/** current state of the lwIP_netconn */
netconn_state state;
/** the lwIP internal protocol control block */
struct tcp_pcb *tcp;
/**the new socket is unknown and sync*/
void *acceptmbox;
/**the lwIP internal buffer control block*/
ringbuf *readbuf;
/** only used for socket layer */
int socket;
}lwIP_netconn, *lwIPNetconn;
/** Contains all internal pointers and states used for a socket */
typedef struct _lwIP_sock{
/** sockets currently are built on lwIP_netconn, each socket has one lwIP_netconn */
lwIP_netconn *conn;
/** data that was left from the previous read */
u32_t recv_index;
u32_t send_index;
u32_t recv_data_len;
void *send_buffer;
}lwIP_sock;
typedef uint8 sa_family_t;
struct sockaddr {
uint8 sa_len;
sa_family_t sa_family;
char sa_data[14];
};
typedef uint32 socklen_t;
#define NETCONNTYPE_GROUP(t) ((t)&0xF0)
#define NETCONNTYPE_DATAGRAM(t) ((t)&0xE0)
#define AF_UNSPEC 0
#define AF_INET 2
/* Socket protocol types (TCP/UDP/RAW) */
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3
#define lwIPThreadPrio 25
#define lwIPThreadQueueLen 15
/*
* Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
*/
#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
#define SO_KEEPALIVE 0x0008 /* keep connections alive */
#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
#define SO_LINGER 0x0080 /* linger on close if data present */
#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
/*
* Additional options, not kept in so_options.
*/
#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
#define SO_RCVBUF 0x1002 /* receive buffer size */
#define SO_TYPE 0x1008 /* get socket type */
#define IPPROTO_IP 0
#define IPPROTO_TCP 6
#define IPPROTO_UDP 17
#define SOL_SOCKET 0xfff /* options for socket level */
#if LWIP_TCP
/*
* Options for level IPPROTO_TCP
*/
#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
#endif /* LWIP_TCP */
/* commands for fnctl */
#ifndef F_GETFL
#define F_GETFL 3
#endif
#ifndef F_SETFL
#define F_SETFL 4
#endif
/* File status flags and file access modes for fnctl,
these are bits in an int. */
#ifndef O_NONBLOCK
#define O_NONBLOCK 1 /* nonblocking I/O */
#endif
#ifndef O_NDELAY
#define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */
#endif
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
/* Flags for struct netconn.flags (u8_t) */
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores whether to wake up the original application task
if data couldn't be sent in the first try. */
#define NETCONN_FLAG_WRITE_DELAYED 0x01
/** Should this netconn avoid blocking? */
#define NETCONN_FLAG_NON_BLOCKING 0x02
/** Was the last connect action a non-blocking one? */
#define NETCONN_FLAG_IN_NONBLOCKING_CONNECT 0x04
/** If this is set, a TCP netconn must call netconn_recved() to update
the TCP receive window (done automatically if not set). */
#define NETCONN_FLAG_NO_AUTO_RECVED 0x08
/** If a nonblocking write has been rejected before, poll_tcp needs to
check if the netconn is writable again */
#define NETCONN_FLAG_CHECK_WRITESPACE 0x10
/** Set the blocking status of netconn calls (@todo: write/send is missing) */
#define netconn_set_nonblocking(conn, val) do { if(val) { \
(conn)->flags |= NETCONN_FLAG_NON_BLOCKING; \
} else { \
(conn)->flags &= ~ NETCONN_FLAG_NON_BLOCKING; }} while(0)
/** Get the blocking status of netconn calls (@todo: write/send is missing) */
#define netconn_is_nonblocking(conn) (((conn)->flags & NETCONN_FLAG_NON_BLOCKING) != 0)
/* FD_SET used for lwip_select */
#ifndef FD_SET
#undef FD_SETSIZE
/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
#define FD_SETSIZE NUM_SOCKETS
#define FD_SET(n, p) ((p)->fd_bits[(n)/8] |= (1 << ((n) & 7)))
#define FD_CLR(n, p) ((p)->fd_bits[(n)/8] &= ~(1 << ((n) & 7)))
#define FD_ISSET(n,p) ((p)->fd_bits[(n)/8] & (1 << ((n) & 7)))
#define FD_ZERO(p) os_memset((void*)(p),0,sizeof(*(p)))
typedef struct fd_set {
unsigned char fd_bits[(FD_SETSIZE + 7) / 8];
} fd_set;
#endif /* FD_SET */
void lwip_socket_init(void);
int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_shutdown(int s, int how);
int lwip_getpeername(int s, struct sockaddr *name, socklen_t *namelen);
int lwip_getsockname(int s, struct sockaddr *name, socklen_t *namelen);
int lwip_getsockopt(int s, int level, int optname, void *optval,socklen_t *optlen);
int lwip_setsockopt(int s, int level, int optname, const void *optval,socklen_t optlen);
int lwip_close(int s);
int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_listen(int s, int backlog);
int lwip_recv(int s, void *mem, size_t len, int flags);
int lwip_read(int s, void *mem, size_t len);
int lwip_recvfrom(int s, void *mem, size_t len, int flags,struct sockaddr *from, socklen_t *fromlen);
int lwip_send(int s, const void *dataptr, size_t size, int flags);
int lwip_sendto(int s, const void *dataptr, size_t size, int flags,const struct sockaddr *to, socklen_t tolen);
int lwip_socket(int domain, int type, int protocol);
int lwip_write(int s, const void *dataptr, size_t size);
int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset,fd_set *exceptset, struct timeval *timeout);
int lwip_ioctl(int s, long cmd, void *argp);
int lwip_fcntl(int s, int cmd, int val);
uint32_t lwip_getul(char *str);
#define accept(a,b,c) lwip_accept(a,b,c)
#define bind(a,b,c) lwip_bind(a,b,c)
#define shutdown(a,b) lwip_shutdown(a,b)
#define closesocket(s) lwip_close(s)
#define connect(a,b,c) lwip_connect(a,b,c)
#define getsockname(a,b,c) lwip_getsockname(a,b,c)
#define getpeername(a,b,c) lwip_getpeername(a,b,c)
#define setsockopt(a,b,c,d,e) lwip_setsockopt(a,b,c,d,e)
#define getsockopt(a,b,c,d,e) lwip_getsockopt(a,b,c,d,e)
#define listen(a,b) lwip_listen(a,b)
#define recv(a,b,c,d) lwip_recv(a,b,c,d)
#define recvfrom(a,b,c,d,e,f) lwip_recvfrom(a,b,c,d,e,f)
#define send(a,b,c,d) lwip_send(a,b,c,d)
#define sendto(a,b,c,d,e,f) lwip_sendto(a,b,c,d,e,f)
#define socket(a,b,c) lwip_socket(a,b,c)
#define select(a,b,c,d,e) lwip_select(a,b,c,d,e)
#define ioctlsocket(a,b,c) lwip_ioctl(a,b,c)
#define read(a,b,c) lwip_read(a,b,c)
#define write(a,b,c) lwip_write(a,b,c)
#define close(s) lwip_close(s)
#define getul(s) lwip_getul(s)
#endif /* ESPCONN_SOCKT_H_ */
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