Add psock_connect()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4483 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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@ -2544,7 +2544,7 @@
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the USB (device) driver on the PIC32 Ethernet Starter Kit.
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* arch/mips/src/pic32mx/pic32mx_ethernet.c: Verifed the PIC32 Ethernet
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driver on the PIC32 Starter Kit. Status: It is occasionally functional
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but no stable enough for use.
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but not stable enough for use.
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* arch/arm/include/stm32, arch/arm/src/stm32: Add general support for
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the STM32 F2 family. Contributed by Gary Teravskis,
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* configs/stm3220g-eval: Add support for the STMicro STM3220G-EVAL board.
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@ -2559,3 +2559,5 @@
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USB host driver with name changes only).
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* arch/arm/src/stm32/chip/stm32_otgfs.h: STM32 USB OTG FS register
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definitions (not complete on initial check-in).
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* net/connect.c: Add another low level, thread-independent socket interface
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for use within the OS.
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@ -168,10 +168,16 @@ EXTERN int net_close(int sockfd);
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EXTERN int psock_close(FAR struct socket *psock);
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/* net_close.c ***************************************************************/
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/* Performs the bind operation of a socket instance */
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/* Performs the bind() operation on a socket instance */
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EXTERN int psock_bind(FAR struct socket *psock, const struct sockaddr *addr,
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socklen_t addrlen);
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EXTERN int psock_bind(FAR struct socket *psock,
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FAR const struct sockaddr *addr, socklen_t addrlen);
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/* connect.c *****************************************************************/
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/* Performs the connect() operation on a socket instance */
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EXTERN int psock_connect(FAR struct socket *psock,
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FAR const struct sockaddr *addr, socklen_t addrlen);
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/* send.c ********************************************************************/
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/* Send using underlying socket structure */
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@ -354,15 +354,15 @@ static inline int tcp_connect(FAR struct socket *psock, const struct sockaddr_in
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: connect
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* Name: psock_connect
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*
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* Description:
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* connect() connects the socket referred to by the file descriptor sockfd
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* connect() connects the socket referred to by the structure 'psock'
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* to the address specified by 'addr'. The addrlen argument specifies
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* the size of 'addr'. The format of the address in 'addr' is
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* determined by the address space of the socket sockfd.
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* determined by the address space of the socket 'psock'.
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*
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* If the socket sockfd is of type SOCK_DGRAM then 'addr' is the address
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* If the socket 'psock' is of type SOCK_DGRAM then 'addr' is the address
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* to which datagrams are sent by default, and the only address from which
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* datagrams are received. If the socket is of type SOCK_STREAM or
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* SOCK_SEQPACKET, this call attempts to make a connection to the socket
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@ -375,7 +375,7 @@ static inline int tcp_connect(FAR struct socket *psock, const struct sockaddr_in
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* sockaddr set to AF_UNSPEC.
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*
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* Parameters:
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* sockfd Socket descriptor returned by socket()
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* psock Pointer to a socket structure initialized by psock_socket()
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* addr Server address (form depends on type of socket)
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* addrlen Length of actual 'addr'
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*
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@ -422,10 +422,9 @@ static inline int tcp_connect(FAR struct socket *psock, const struct sockaddr_in
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*
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****************************************************************************/
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int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
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int psock_connect(FAR struct socket *psock, FAR const struct sockaddr *addr,
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socklen_t addrlen)
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{
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FAR struct socket *psock = sockfd_socket(sockfd);
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#if defined(CONFIG_NET_TCP) || defined(CONFIG_NET_UDP)
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#ifdef CONFIG_NET_IPv6
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FAR const struct sockaddr_in6 *inaddr = (const struct sockaddr_in6 *)addr;
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@ -437,7 +436,7 @@ int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
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int err;
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/* Verify that the sockfd corresponds to valid, allocated socket */
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/* Verify that the psock corresponds to valid, allocated socket */
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if (!psock || psock->s_crefs <= 0)
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{
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@ -509,4 +508,84 @@ errout:
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return ERROR;
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}
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/****************************************************************************
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* Name: connect
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*
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* Description:
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* connect() connects the socket referred to by the file descriptor 'sockfd'
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* to the address specified by 'addr'. The addrlen argument specifies
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* the size of 'addr'. The format of the address in 'addr' is
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* determined by the address space of the socket 'sockfd'.
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*
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* If the socket 'sockfd' is of type SOCK_DGRAM then 'addr' is the address
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* to which datagrams are sent by default, and the only address from which
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* datagrams are received. If the socket is of type SOCK_STREAM or
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* SOCK_SEQPACKET, this call attempts to make a connection to the socket
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* that is bound to the address specified by 'addr'.
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*
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* Generally, connection-based protocol sockets may successfully connect()
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* only once; connectionless protocol sockets may use connect() multiple
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* times to change their association. Connectionless sockets may dissolve
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* the association by connecting to an address with the sa_family member of
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* sockaddr set to AF_UNSPEC.
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*
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* Parameters:
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* sockfd Socket descriptor returned by socket()
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* addr Server address (form depends on type of socket)
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* addrlen Length of actual 'addr'
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*
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* Returned Value:
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* 0 on success; -1 on error with errno set appropriately
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*
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* EACCES, EPERM
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* The user tried to connect to a broadcast address without having the
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* socket broadcast flag enabled or the connection request failed
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* because of a local firewall rule.
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* EADDRINUSE
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* Local address is already in use.
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* EAFNOSUPPORT
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* The passed address didn't have the correct address family in its
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* sa_family field.
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* EAGAIN
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* No more free local ports or insufficient entries in the routing
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* cache.
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* EALREADY
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* The socket is non-blocking and a previous connection attempt has
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* not yet been completed.
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* EBADF
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* The file descriptor is not a valid index in the descriptor table.
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* ECONNREFUSED
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* No one listening on the remote address.
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* EFAULT
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* The socket structure address is outside the user's address space.
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* EINPROGRESS
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* The socket is non-blocking and the connection cannot be completed
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* immediately.
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* EINTR
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* The system call was interrupted by a signal that was caught.
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* EISCONN
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* The socket is already connected.
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* ENETUNREACH
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* Network is unreachable.
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* ENOTSOCK
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* The file descriptor is not associated with a socket.
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* ETIMEDOUT
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* Timeout while attempting connection. The server may be too busy
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* to accept new connections.
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*
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* Assumptions:
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*
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****************************************************************************/
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int connect(int sockfd, FAR const struct sockaddr *addr, socklen_t addrlen)
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{
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/* Get the underlying socket structure */
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FAR struct socket *psock = sockfd_socket(sockfd);
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/* Then let psock_connect() do all of the work */
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return psock_connect(psock, addr, addrlen);
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}
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#endif /* CONFIG_NET */
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