mirror of
https://github.com/apache/nuttx.git
synced 2026-09-28 15:54:57 +08:00
Add send, sendto, rec, recvfrom
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@328 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
+23
-17
@@ -36,25 +36,31 @@
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#include <sys/types.h>
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#include <net/uip/uipopt.h>
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/* Callback function which is called when a hostname is found.
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*
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* This function must be implemented by the module that uses the DNS
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* resolver. It is called when a hostname is found, or when a hostname
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* was not found.
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*
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* name A pointer to the name that was looked up. \param
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* ipaddr A pointer to a 4-byte array containing the IP address of the
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* hostname, or NULL if the hostname could not be found.
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*/
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extern void resolv_found(char *name, uint16 *ipaddr);
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/* Functions. */
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extern void resolv_conf(uint16 *dnsserver);
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extern uint16 *resolv_getserver(void);
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extern void resolv_init(void);
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extern uint16 *resolv_lookup(char *name);
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extern void resolv_query(char *name);
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EXTERN int resolv_init(void);
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#ifdef CONFIG_NET_IPv6
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EXTERN void resolv_conf(const struct sockaddr_in6 *dnsserver);
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EXTERN void resolv_getserver(const struct sockaddr_in6 *dnsserver);
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EXTERN int resolv_query(char *name, struct sockaddr_in6 *addr);
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#else
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EXTERN void resolv_conf(const struct sockaddr_in *dnsserver);
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EXTERN void resolv_getserver(const struct sockaddr_in *dnsserver);
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EXTERN int resolv_query(char *name, struct sockaddr_in *addr);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __UIP_RESOLV_H__ */
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+53
-47
@@ -48,8 +48,9 @@
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* Included Files
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****************************************************************************/
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#include <sys/types.h>
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <queue.h>
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#include <arpa/inet.h>
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#include <net/uip/uipopt.h>
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@@ -158,12 +159,11 @@ typedef uip_ip4addr_t uip_ipaddr_t;
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struct uip_conn
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{
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dq_entry_t node; /* Implements a doubly linked list */
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uip_ipaddr_t ripaddr; /* The IP address of the remote host. */
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uint16 lport; /* The local TCP port, in network byte order. */
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uint16 rport; /* The local remote TCP port, in network byte
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order. */
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uint8 rcv_nxt[4]; /* The sequence number that we expect to
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receive next. */
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uint8 snd_nxt[4]; /* The sequence number that was last sent by
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@@ -188,6 +188,7 @@ struct uip_conn
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*/
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void *private;
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void (*callback)(void *private);
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};
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#ifdef CONFIG_NET_UDP
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@@ -195,16 +196,16 @@ struct uip_conn
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struct uip_udp_conn
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{
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dq_entry_t node; /* Implements a doubly linked list */
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uip_ipaddr_t ripaddr; /* The IP address of the remote peer. */
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uint16 lport; /* The local port number in network byte order. */
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uint16 rport; /* The remote port number in network byte order. */
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uint8 ttl; /* Default time-to-live. */
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/* Higher level logic can retain application specific information
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* in the following:
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*/
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/* Defines the UDP callback */
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void *private;
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void (*callback)(void *private);
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};
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#endif /* CONFIG_NET_UDP */
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@@ -613,9 +614,6 @@ void uip_setipid(uint16 id);
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*/
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extern void uip_interrupt_event(void);
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#ifdef CONFIG_NET_UDP
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extern void uip_interrupt_udp_event(void);
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#endif
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/* Find a free connection structure and allocate it for use. This is
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* normally something done by the implementation of the socket() API
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@@ -635,6 +633,34 @@ extern void uip_tcpfree(struct uip_conn *conn);
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extern void uip_udpfree(struct uip_udp_conn *conn);
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#endif
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/* Bind a TCP connection to a local address */
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#ifdef CONFIG_NET_IPv6
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extern int uip_tcpbind(struct uip_conn *conn, const struct sockaddr_in6 *addr);
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#else
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extern int uip_tcpbind(struct uip_conn *conn, const struct sockaddr_in *addr);
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#endif
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/* This function implements the UIP specific parts of the standard
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* TCP connect() operation: It connects to a remote host using TCP.
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*
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* This function is used to start a new connection to the specified
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* port on the specied host. It uses the connection structure that was
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* allocated by a preceding socket() call. It sets the connection to
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* the SYN_SENT state and sets the retransmission timer to 0. This will
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* cause a TCP SYN segment to be sent out the next time this connection
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* is periodically processed, which usually is done within 0.5 seconds
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* after the call to uip_tcpconnect().
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*
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* This function is called from normal user level code.
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*/
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#ifdef CONFIG_NET_IPv6
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extern int uip_tcpconnect(struct uip_conn *conn, const struct sockaddr_in6 *addr);
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#else
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extern int uip_tcpconnect(struct uip_conn *conn, const struct sockaddr_in *addr);
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#endif
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/* Start listening to the specified port.
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*
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* Note: Since this function expects the port number in network byte
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@@ -848,51 +874,31 @@ void uip_send(const void *data, int len);
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#define uip_mss() (uip_conn->mss)
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/* Set up a new UDP connection.
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*
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* This function sets up a new UDP connection. The function will
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/* Bind a UDP connection to a local address */
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#ifdef CONFIG_NET_IPv6
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extern int uip_udpbind(struct uip_udp_conn *conn, const struct sockaddr_in6 *addr);
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#else
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extern int uip_udpbind(struct uip_udp_conn *conn, const struct sockaddr_in *addr);
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#endif
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/* This function sets up a new UDP connection. The function will
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* automatically allocate an unused local port for the new
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* connection. However, another port can be chosen by using the
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* uip_udp_bind() call, after the uip_udp_new() function has been
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* uip_udpbind() call, after the uip_udpconnect() function has been
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* called.
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*
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* Example:
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* This function is called as part of the implementation of sendto
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* and recvfrom.
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*
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* uip_ipaddr_t addr;
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* struct uip_udp_conn *c;
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*
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* uip_ipaddr(&addr, 192,168,2,1);
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* c = uip_udp_new(&addr, HTONS(12345));
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* if(c != NULL) {
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* uip_udp_bind(c, HTONS(12344));
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* }
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*
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* ripaddr The IP address of the remote host.
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*
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* rport The remote port number in network byte order.
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*
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* Return: The uip_udp_conn structure for the new connection or NULL
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* if no connection could be allocated.
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* addr The address of the remote host.
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*/
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struct uip_udp_conn *uip_udp_new(uip_ipaddr_t *ripaddr, uint16 rport);
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/* Removed a UDP connection.
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*
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* conn A pointer to the uip_udp_conn structure for the connection.
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*/
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#define uip_udp_remove(conn) (conn)->lport = 0
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/* Bind a UDP connection to a local port.
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*
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* conn A pointer to the uip_udp_conn structure for the
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* connection.
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*
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* port The local port number, in network byte order.
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*/
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#define uip_udp_bind(conn, port) (conn)->lport = port
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#ifdef CONFIG_NET_IPv6
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extern int uip_udpconnect(struct uip_udp_conn *conn, const struct sockaddr_in6 *addr);
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#else
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extern int uip_udpconnect(struct uip_udp_conn *conn, const struct sockaddr_in *addr);
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#endif
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/* Send a UDP datagram of length len on the current connection.
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*
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