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micropython/stm/cc3k/socket.h

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/*****************************************************************************
*
* socket.h - CC3000 Host Driver Implementation.
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* Adapted for use with the Arduino/AVR by KTOWN (Kevin Townsend)
* & Limor Fried for Adafruit Industries
* This library works with the Adafruit CC3000 breakout
* ----> https://www.adafruit.com/products/1469
* Adafruit invests time and resources providing this open source code,
* please support Adafruit and open-source hardware by purchasing
* products from Adafruit!
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#ifndef __SOCKET_H__
#define __SOCKET_H__
//*****************************************************************************
//
//! \addtogroup socket_api
//! @{
//
//*****************************************************************************
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C" {
#endif
#define HOSTNAME_MAX_LENGTH (230) // 230 bytes + header shouldn't exceed 8 bit value
//--------- Address Families --------
#define AF_INET 2
#define AF_INET6 23
//------------ Socket Types ------------
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
#define SOCK_RAW 3 // Raw sockets allow new IPv4 protocols to be implemented in user space. A raw socket receives or sends the raw datagram not including link level headers
#define SOCK_RDM 4
#define SOCK_SEQPACKET 5
//----------- Socket Protocol ----------
#define IPPROTO_IP 0 // dummy for IP
#define IPPROTO_ICMP 1 // control message protocol
#define IPPROTO_IPV4 IPPROTO_IP // IP inside IP
#define IPPROTO_TCP 6 // tcp
#define IPPROTO_UDP 17 // user datagram protocol
#define IPPROTO_IPV6 41 // IPv6 in IPv6
#define IPPROTO_NONE 59 // No next header
#define IPPROTO_RAW 255 // raw IP packet
#define IPPROTO_MAX 256
//----------- Socket retunr codes -----------
#define SOC_ERROR (-1) // error
#define SOC_IN_PROGRESS (-2) // socket in progress
//----------- Socket Options -----------
#define SOL_SOCKET 0xffff // socket level
#define SOCKOPT_RECV_NONBLOCK 0 // recv non block mode, set SOCK_ON or SOCK_OFF (default block mode)
#define SOCKOPT_RECV_TIMEOUT 1 // optname to configure recv and recvfromtimeout
#define SOCKOPT_ACCEPT_NONBLOCK 2 // accept non block mode, set SOCK_ON or SOCK_OFF (default block mode)
#define SOCK_ON 0 // socket non-blocking mode is enabled
#define SOCK_OFF 1 // socket blocking mode is enabled
#define TCP_NODELAY 0x0001
#define TCP_BSDURGENT 0x7000
#define MAX_PACKET_SIZE 1500
#define MAX_LISTEN_QUEUE 4
#define IOCTL_SOCKET_EVENTMASK
#ifdef ENOBUFS
#undef ENOBUFS
#endif
#define ENOBUFS 55 // No buffer space available
#define __FD_SETSIZE 32
#define ASIC_ADDR_LEN 8
#define NO_QUERY_RECIVED -3
typedef struct _in_addr_t
{
unsigned long s_addr; // load with inet_aton()
} in_addr;
typedef struct _sockaddr_t
{
unsigned short int sa_family;
unsigned char sa_data[14];
} sockaddr;
typedef struct _sockaddr_in_t
{
short sin_family; // e.g. AF_INET
unsigned short sin_port; // e.g. htons(3490)
in_addr sin_addr; // see struct in_addr, below
char sin_zero[8]; // zero this if you want to
} sockaddr_in;
typedef unsigned long socklen_t;
// The fd_set member is required to be an array of longs.
typedef long int __fd_mask;
// It's easier to assume 8-bit bytes than to get CHAR_BIT.
#define __NFDBITS (8 * sizeof (__fd_mask))
#define __FDELT(d) ((d) / __NFDBITS)
#define __FDMASK(d) ((__fd_mask) 1 << ((d) % __NFDBITS))
#ifdef fd_set
#undef fd_set // for compatibility with newlib, which defines fd_set
#endif
// fd_set for select and pselect.
typedef struct
{
__fd_mask fds_bits[__FD_SETSIZE / __NFDBITS];
#define __FDS_BITS(set) ((set)->fds_bits)
} fd_set;
// We don't use `memset' because this would require a prototype and
// the array isn't too big.
#define __FD_ZERO(set) \
do { \
unsigned int __i; \
fd_set *__arr = (set); \
for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) \
__FDS_BITS (__arr)[__i] = 0; \
} while (0)
#define __FD_SET(d, set) (__FDS_BITS (set)[__FDELT (d)] |= __FDMASK (d))
#define __FD_CLR(d, set) (__FDS_BITS (set)[__FDELT (d)] &= ~__FDMASK (d))
#define __FD_ISSET(d, set) (__FDS_BITS (set)[__FDELT (d)] & __FDMASK (d))
// Access macros for 'fd_set'.
#ifdef FD_SET
#undef FD_SET
#endif
#ifdef FD_CLR
#undef FD_CLR
#endif
#ifdef FD_ISSET
#undef FD_ISSET
#endif
#ifdef FD_ZERO
#undef FD_ZERO
#endif
#define FD_SET(fd, fdsetp) __FD_SET (fd, fdsetp)
#define FD_CLR(fd, fdsetp) __FD_CLR (fd, fdsetp)
#define FD_ISSET(fd, fdsetp) __FD_ISSET (fd, fdsetp)
#define FD_ZERO(fdsetp) __FD_ZERO (fdsetp)
//Use in case of Big Endian only
#define htonl(A) ((((unsigned long)(A) & 0xff000000) >> 24) | \
(((unsigned long)(A) & 0x00ff0000) >> 8) | \
(((unsigned long)(A) & 0x0000ff00) << 8) | \
(((unsigned long)(A) & 0x000000ff) << 24))
#define ntohl htonl
//Use in case of Big Endian only
#define htons(A) ((((unsigned long)(A) & 0xff00) >> 8) | \
(((unsigned long)(A) & 0x00ff) << 8))
#define ntohs htons
// mDNS port - 5353 mDNS multicast address - 224.0.0.251
#define SET_mDNS_ADD(sockaddr) sockaddr.sa_data[0] = 0x14; \
sockaddr.sa_data[1] = 0xe9; \
sockaddr.sa_data[2] = 0xe0; \
sockaddr.sa_data[3] = 0x0; \
sockaddr.sa_data[4] = 0x0; \
sockaddr.sa_data[5] = 0xfb;
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
//*****************************************************************************
//
//! socket
//!
//! @param domain selects the protocol family which will be used for
//! communication. On this version only AF_INET is supported
//! @param type specifies the communication semantics. On this version
//! only SOCK_STREAM, SOCK_DGRAM, SOCK_RAW are supported
//! @param protocol specifies a particular protocol to be used with the
//! socket IPPROTO_TCP, IPPROTO_UDP or IPPROTO_RAW are
//! supported.
//!
//! @return On success, socket handle that is used for consequent socket
//! operations. On error, -1 is returned.
//!
//! @brief create an endpoint for communication
//! The socket function creates a socket that is bound to a specific
//! transport service provider. This function is called by the
//! application layer to obtain a socket handle.
//
//*****************************************************************************
extern int socket(long domain, long type, long protocol);
//*****************************************************************************
//
//! closesocket
//!
//! @param sd socket handle.
//!
//! @return On success, zero is returned. On error, -1 is returned.
//!
//! @brief The socket function closes a created socket.
//
//*****************************************************************************
extern long closesocket(long sd);
//*****************************************************************************
//
//! accept
//!
//! @param[in] sd socket descriptor (handle)
//! @param[out] addr the argument addr is a pointer to a sockaddr structure
//! This structure is filled in with the address of the
//! peer socket, as known to the communications layer.
//! determined. The exact format of the address returned
//! addr is by the socket's address sockaddr.
//! On this version only AF_INET is supported.
//! This argument returns in network order.
//! @param[out] addrlen the addrlen argument is a value-result argument:
//! it should initially contain the size of the structure
//! pointed to by addr.
//!
//! @return For socket in blocking mode:
//! On success, socket handle. on failure negative
//! For socket in non-blocking mode:
//! - On connection establishment, socket handle
//! - On connection pending, SOC_IN_PROGRESS (-2)
//! - On failure, SOC_ERROR (-1)
//!
//! @brief accept a connection on a socket:
//! This function is used with connection-based socket types
//! (SOCK_STREAM). It extracts the first connection request on the
//! queue of pending connections, creates a new connected socket, and
//! returns a new file descriptor referring to that socket.
//! The newly created socket is not in the listening state.
//! The original socket sd is unaffected by this call.
//! The argument sd is a socket that has been created with socket(),
//! bound to a local address with bind(), and is listening for
//! connections after a listen(). The argument addr is a pointer
//! to a sockaddr structure. This structure is filled in with the
//! address of the peer socket, as known to the communications layer.
//! The exact format of the address returned addr is determined by the
//! socket's address family. The addrlen argument is a value-result
//! argument: it should initially contain the size of the structure
//! pointed to by addr, on return it will contain the actual
//! length (in bytes) of the address returned.
//!
//! @sa socket ; bind ; listen
//
//*****************************************************************************
extern long accept(long sd, sockaddr *addr, socklen_t *addrlen);
//*****************************************************************************
//
//! bind
//!
//! @param[in] sd socket descriptor (handle)
//! @param[out] addr specifies the destination address. On this version
//! only AF_INET is supported.
//! @param[out] addrlen contains the size of the structure pointed to by addr.
//!
//! @return On success, zero is returned. On error, -1 is returned.
//!
//! @brief assign a name to a socket
//! This function gives the socket the local address addr.
//! addr is addrlen bytes long. Traditionally, this is called when a
//! socket is created with socket, it exists in a name space (address
//! family) but has no name assigned.
//! It is necessary to assign a local address before a SOCK_STREAM
//! socket may receive connections.
//!
//! @sa socket ; accept ; listen
//
//*****************************************************************************
extern long bind(long sd, const sockaddr *addr, long addrlen);
//*****************************************************************************
//
//! listen
//!
//! @param[in] sd socket descriptor (handle)
//! @param[in] backlog specifies the listen queue depth. On this version
//! backlog is not supported.
//! @return On success, zero is returned. On error, -1 is returned.
//!
//! @brief listen for connections on a socket
//! The willingness to accept incoming connections and a queue
//! limit for incoming connections are specified with listen(),
//! and then the connections are accepted with accept.
//! The listen() call applies only to sockets of type SOCK_STREAM
//! The backlog parameter defines the maximum length the queue of
//! pending connections may grow to.
//!
//! @sa socket ; accept ; bind
//!
//! @note On this version, backlog is not supported
//
//*****************************************************************************
extern long listen(long sd, long backlog);
//*****************************************************************************
//
//! gethostbyname
//!
//! @param[in] hostname host name
//! @param[in] usNameLen name length
//! @param[out] out_ip_addr This parameter is filled in with host IP address.
//! In case that host name is not resolved,
//! out_ip_addr is zero.
//! @return On success, positive is returned. On error, negative is returned
//!
//! @brief Get host IP by name. Obtain the IP Address of machine on network,
//! by its name.
//!
//! @note On this version, only blocking mode is supported. Also note that
//! the function requires DNS server to be configured prior to its usage.
//
//*****************************************************************************
#ifndef CC3000_TINY_DRIVER
extern int gethostbyname(const char * hostname, uint8_t usNameLen, uint32_t* out_ip_addr);
#endif
//*****************************************************************************
//
//! connect
//!
//! @param[in] sd socket descriptor (handle)
//! @param[in] addr specifies the destination addr. On this version
//! only AF_INET is supported.
//! @param[out] addrlen contains the size of the structure pointed to by addr
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief initiate a connection on a socket
//! Function connects the socket referred to by the socket descriptor
//! sd, to the address specified by addr. The addrlen argument
//! specifies the size of addr. The format of the address in addr is
//! determined by the address space of the socket. If it is of type
//! SOCK_DGRAM, this call specifies the peer with which the socket is
//! to be associated; this address is that to which datagrams are to be
//! sent, and the only address from which datagrams are to be received.
//! If the socket is of type SOCK_STREAM, this call attempts to make a
//! connection to another socket. The other socket is specified by
//! address, which is an address in the communications space of the
//! socket. Note that the function implements only blocking behavior
//! thus the caller will be waiting either for the connection
//! establishment or for the connection establishment failure.
//!
//! @sa socket
//
//*****************************************************************************
extern long connect(long sd, const sockaddr *addr, long addrlen);
//*****************************************************************************
//
//! select
//!
//! @param[in] nfds the highest-numbered file descriptor in any of the
//! three sets, plus 1.
//! @param[out] writesds socket descriptors list for write monitoring
//! @param[out] readsds socket descriptors list for read monitoring
//! @param[out] exceptsds socket descriptors list for exception monitoring
//! @param[in] timeout is an upper bound on the amount of time elapsed
//! before select() returns. Null means infinity
//! timeout. The minimum timeout is 5 milliseconds,
//! less than 5 milliseconds will be set
//! automatically to 5 milliseconds.
//! @return On success, select() returns the number of file descriptors
//! contained in the three returned descriptor sets (that is, the
//! total number of bits that are set in readfds, writefds,
//! exceptfds) which may be zero if the timeout expires before
//! anything interesting happens.
//! On error, -1 is returned.
//! *readsds - return the sockets on which Read request will
//! return without delay with valid data.
//! *writesds - return the sockets on which Write request
//! will return without delay.
//! *exceptsds - return the sockets which closed recently.
//!
//! @brief Monitor socket activity
//! Select allow a program to monitor multiple file descriptors,
//! waiting until one or more of the file descriptors become
//! "ready" for some class of I/O operation
//!
//! @Note If the timeout value set to less than 5ms it will automatically set
//! to 5ms to prevent overload of the system
//!
//! @sa socket
//
//*****************************************************************************
extern int select(long nfds, fd_set *readsds, fd_set *writesds,
fd_set *exceptsds, struct timeval *timeout);
//*****************************************************************************
//
//! setsockopt
//!
//! @param[in] sd socket handle
//! @param[in] level defines the protocol level for this option
//! @param[in] optname defines the option name to Interrogate
//! @param[in] optval specifies a value for the option
//! @param[in] optlen specifies the length of the option value
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief set socket options
//! This function manipulate the options associated with a socket.
//! Options may exist at multiple protocol levels; they are always
//! present at the uppermost socket level.
//! When manipulating socket options the level at which the option
//! resides and the name of the option must be specified.
//! To manipulate options at the socket level, level is specified as
//! SOL_SOCKET. To manipulate options at any other level the protocol
//! number of the appropriate protocol controlling the option is
//! supplied. For example, to indicate that an option is to be
//! interpreted by the TCP protocol, level should be set to the
//! protocol number of TCP;
//! The parameters optval and optlen are used to access optval -
//! use for setsockopt(). For getsockopt() they identify a buffer
//! in which the value for the requested option(s) are to
//! be returned. For getsockopt(), optlen is a value-result
//! parameter, initially containing the size of the buffer
//! pointed to by option_value, and modified on return to
//! indicate the actual size of the value returned. If no option
//! value is to be supplied or returned, option_value may be NULL.
//!
//! @Note On this version the following two socket options are enabled:
//! The only protocol level supported in this version
//! is SOL_SOCKET (level).
//! 1. SOCKOPT_RECV_TIMEOUT (optname)
//! SOCKOPT_RECV_TIMEOUT configures recv and recvfrom timeout
//! in milliseconds.
//! In that case optval should be pointer to unsigned long.
//! 2. SOCKOPT_NONBLOCK (optname). sets the socket non-blocking mode on
//! or off.
//! In that case optval should be SOCK_ON or SOCK_OFF (optval).
//!
//! @sa getsockopt
//
//*****************************************************************************
#ifndef CC3000_TINY_DRIVER
extern int setsockopt(long sd, long level, long optname, const void *optval,
socklen_t optlen);
#endif
//*****************************************************************************
//
//! getsockopt
//!
//! @param[in] sd socket handle
//! @param[in] level defines the protocol level for this option
//! @param[in] optname defines the option name to Interrogate
//! @param[out] optval specifies a value for the option
//! @param[out] optlen specifies the length of the option value
//! @return On success, zero is returned. On error, -1 is returned
//!
//! @brief set socket options
//! This function manipulate the options associated with a socket.
//! Options may exist at multiple protocol levels; they are always
//! present at the uppermost socket level.
//! When manipulating socket options the level at which the option
//! resides and the name of the option must be specified.
//! To manipulate options at the socket level, level is specified as
//! SOL_SOCKET. To manipulate options at any other level the protocol
//! number of the appropriate protocol controlling the option is
//! supplied. For example, to indicate that an option is to be
//! interpreted by the TCP protocol, level should be set to the
//! protocol number of TCP;
//! The parameters optval and optlen are used to access optval -
//! use for setsockopt(). For getsockopt() they identify a buffer
//! in which the value for the requested option(s) are to
//! be returned. For getsockopt(), optlen is a value-result
//! parameter, initially containing the size of the buffer
//! pointed to by option_value, and modified on return to
//! indicate the actual size of the value returned. If no option
//! value is to be supplied or returned, option_value may be NULL.
//!
//! @Note On this version the following two socket options are enabled:
//! The only protocol level supported in this version
//! is SOL_SOCKET (level).
//! 1. SOCKOPT_RECV_TIMEOUT (optname)
//! SOCKOPT_RECV_TIMEOUT configures recv and recvfrom timeout
//! in milliseconds.
//! In that case optval should be pointer to unsigned long.
//! 2. SOCKOPT_NONBLOCK (optname). sets the socket non-blocking mode on
//! or off.
//! In that case optval should be SOCK_ON or SOCK_OFF (optval).
//!
//! @sa setsockopt
//
//*****************************************************************************
extern int getsockopt(long sd, long level, long optname, void *optval,
socklen_t *optlen);
//*****************************************************************************
//
//! recv
//!
//! @param[in] sd socket handle
//! @param[out] buf Points to the buffer where the message should be stored
//! @param[in] len Specifies the length in bytes of the buffer pointed to
//! by the buffer argument.
//! @param[in] flags Specifies the type of message reception.
//! On this version, this parameter is not supported.
//!
//! @return Return the number of bytes received, or -1 if an error
//! occurred
//!
//! @brief function receives a message from a connection-mode socket
//!
//! @sa recvfrom
//!
//! @Note On this version, only blocking mode is supported.
//
//*****************************************************************************
extern int recv(long sd, void *buf, long len, long flags);
//*****************************************************************************
//
//! recvfrom
//!
//! @param[in] sd socket handle
//! @param[out] buf Points to the buffer where the message should be stored
//! @param[in] len Specifies the length in bytes of the buffer pointed to
//! by the buffer argument.
//! @param[in] flags Specifies the type of message reception.
//! On this version, this parameter is not supported.
//! @param[in] from pointer to an address structure indicating the source
//! address: sockaddr. On this version only AF_INET is
//! supported.
//! @param[in] fromlen source address structure size
//!
//! @return Return the number of bytes received, or -1 if an error
//! occurred
//!
//! @brief read data from socket
//! function receives a message from a connection-mode or
//! connectionless-mode socket. Note that raw sockets are not
//! supported.
//!
//! @sa recv
//!
//! @Note On this version, only blocking mode is supported.
//
//*****************************************************************************
extern int recvfrom(long sd, void *buf, long len, long flags, sockaddr *from,
socklen_t *fromlen);
//*****************************************************************************
//
//! send
//!
//! @param sd socket handle
//! @param buf Points to a buffer containing the message to be sent
//! @param len message size in bytes
//! @param flags On this version, this parameter is not supported
//!
//! @return Return the number of bytes transmitted, or -1 if an
//! error occurred
//!
//! @brief Write data to TCP socket
//! This function is used to transmit a message to another
//! socket.
//!
//! @Note On this version, only blocking mode is supported.
//!
//! @sa sendto
//
//*****************************************************************************
extern int send(long sd, const void *buf, long len, long flags);
//*****************************************************************************
//
//! sendto
//!
//! @param sd socket handle
//! @param buf Points to a buffer containing the message to be sent
//! @param len message size in bytes
//! @param flags On this version, this parameter is not supported
//! @param to pointer to an address structure indicating the destination
//! address: sockaddr. On this version only AF_INET is
//! supported.
//! @param tolen destination address structure size
//!
//! @return Return the number of bytes transmitted, or -1 if an
//! error occurred
//!
//! @brief Write data to TCP socket
//! This function is used to transmit a message to another
//! socket.
//!
//! @Note On this version, only blocking mode is supported.
//!
//! @sa send
//
//*****************************************************************************
extern int sendto(long sd, const void *buf, long len, long flags,
const sockaddr *to, socklen_t tolen);
//*****************************************************************************
//
//! mdnsAdvertiser
//!
//! @param[in] mdnsEnabled flag to enable/disable the mDNS feature
//! @param[in] deviceServiceName Service name as part of the published
//! canonical domain name
//! @param[in] deviceServiceNameLength Length of the service name
//!
//!
//! @return On success, zero is returned, return SOC_ERROR if socket was not
//! opened successfully, or if an error occurred.
//!
//! @brief Set CC3000 in mDNS advertiser mode in order to advertise itself.
//
//*****************************************************************************
extern int mdnsAdvertiser(unsigned short mdnsEnabled, char * deviceServiceName, unsigned short deviceServiceNameLength);
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // __SOCKET_H__
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