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https://github.com/lwip-tcpip/lwip.git
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Document netconn API in doxygen module style
This commit is contained in:
Dirk Ziegelmeier
parent
ce19c59bb2
commit
0fea2bc02e
@ -1,7 +1,6 @@
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/**
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* @file
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* Sequential API External module
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*
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*/
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/*
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@ -33,7 +32,29 @@
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*/
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/**
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* @defgroup netconn Netconn API
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* Thread-safe, to be called from non-TCPIP threads only.
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* TX/RX handling based on @ref netbuf (containing @ref pbuf)
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* to avoid copying data around.
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*
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* @defgroup netconn_common Common functions
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* @ingroup netconn
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* For use with TCP and UDP
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*
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* @defgroup netconn_tcp TCP only
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* @ingroup netconn
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* TCP only functions
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*
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* @defgroup netconn_udp UDP only
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* @ingroup netconn
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* UDP only functions
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*
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* @defgroup netconn_dns DNS
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* @ingroup netconn
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* DNS lookup
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*/
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/* This is the part of the API that is linked with
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@ -94,6 +115,7 @@ netconn_apimsg(tcpip_callback_fn fn, struct api_msg *apimsg)
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}
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/**
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* @ingroup netconn_common
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* Create a new netconn (of a specific type) that has a callback function.
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* The corresponding pcb is also created.
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*
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@ -138,6 +160,7 @@ netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto, netconn_cal
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}
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/**
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* @ingroup netconn_common
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* Close a netconn 'connection' and free its resources.
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* UDP and RAW connection are completely closed, TCP pcbs might still be in a waitstate
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* after this returns.
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@ -181,6 +204,7 @@ netconn_delete(struct netconn *conn)
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}
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/**
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* @ingroup netconn_tcp
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* Get the local or remote IP address and port of a netconn.
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* For RAW netconns, this returns the protocol instead of a port!
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*
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@ -219,6 +243,7 @@ netconn_getaddr(struct netconn *conn, ip_addr_t *addr, u16_t *port, u8_t local)
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}
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/**
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* @ingroup netconn_common
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* Bind a netconn to a specific local IP address and port.
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* Binding one netconn twice might not always be checked correctly!
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*
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@ -252,6 +277,7 @@ netconn_bind(struct netconn *conn, const ip_addr_t *addr, u16_t port)
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}
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/**
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* @ingroup netconn_common
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* Connect a netconn to a specific remote IP address and port.
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*
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* @param conn the netconn to connect
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@ -283,6 +309,7 @@ netconn_connect(struct netconn *conn, const ip_addr_t *addr, u16_t port)
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}
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/**
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* @ingroup netconn_udp
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* Disconnect a netconn from its current peer (only valid for UDP netconns).
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*
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* @param conn the netconn to disconnect
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@ -305,6 +332,7 @@ netconn_disconnect(struct netconn *conn)
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}
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/**
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* @ingroup netconn_tcp
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* Set a TCP netconn into listen mode
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*
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* @param conn the tcp netconn to set to listen mode
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@ -341,6 +369,7 @@ netconn_listen_with_backlog(struct netconn *conn, u8_t backlog)
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}
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/**
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* @ingroup netconn_tcp
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* Accept a new connection on a TCP listening netconn.
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*
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* @param conn the TCP listen netconn
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@ -429,6 +458,7 @@ netconn_accept(struct netconn *conn, struct netconn **new_conn)
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}
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/**
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* @ingroup netconn_common
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* Receive data: actual implementation that doesn't care whether pbuf or netbuf
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* is received
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*
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@ -553,6 +583,7 @@ netconn_recv_data(struct netconn *conn, void **new_buf)
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}
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/**
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* @ingroup netconn_tcp
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* Receive data (in form of a pbuf) from a TCP netconn
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*
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* @param conn the netconn from which to receive data
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@ -571,6 +602,7 @@ netconn_recv_tcp_pbuf(struct netconn *conn, struct pbuf **new_buf)
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}
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/**
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* @ingroup netconn_common
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* Receive data (in form of a netbuf containing a packet buffer) from a netconn
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*
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* @param conn the netconn from which to receive data
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@ -630,6 +662,7 @@ netconn_recv(struct netconn *conn, struct netbuf **new_buf)
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}
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/**
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* @ingroup netconn_udp
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* Send data (in form of a netbuf) to a specific remote IP address and port.
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* Only to be used for UDP and RAW netconns (not TCP).
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*
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@ -651,6 +684,7 @@ netconn_sendto(struct netconn *conn, struct netbuf *buf, const ip_addr_t *addr,
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}
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/**
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* @ingroup netconn_udp
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* Send data over a UDP or RAW netconn (that is already connected).
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*
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* @param conn the UDP or RAW netconn over which to send data
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@ -676,6 +710,7 @@ netconn_send(struct netconn *conn, struct netbuf *buf)
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}
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/**
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* @ingroup netconn_tcp
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* Send data over a TCP netconn.
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*
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* @param conn the TCP netconn over which to send data
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@ -747,6 +782,7 @@ netconn_write_partly(struct netconn *conn, const void *dataptr, size_t size,
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}
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/**
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* @ingroup netconn_tcp
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* Close or shutdown a TCP netconn (doesn't delete it).
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*
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* @param conn the TCP netconn to close or shutdown
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@ -783,6 +819,7 @@ netconn_close_shutdown(struct netconn *conn, u8_t how)
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}
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/**
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* @ingroup netconn_tcp
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* Close a TCP netconn (doesn't delete it).
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*
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* @param conn the TCP netconn to close
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@ -796,6 +833,7 @@ netconn_close(struct netconn *conn)
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}
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/**
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* @ingroup netconn_tcp
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* Shut down one or both sides of a TCP netconn (doesn't delete it).
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*
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* @param conn the TCP netconn to shut down
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@ -811,6 +849,7 @@ netconn_shutdown(struct netconn *conn, u8_t shut_rx, u8_t shut_tx)
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#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)
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/**
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* @ingroup netconn_udp
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* Join multicast groups for UDP netconns.
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*
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* @param conn the UDP netconn for which to change multicast addresses
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@ -854,6 +893,7 @@ netconn_join_leave_group(struct netconn *conn,
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#if LWIP_DNS
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/**
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* @ingroup netconn_dns
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* Execute a DNS query, only one IP address is returned
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*
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* @param name a string representation of the DNS host name to query
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@ -36,6 +36,13 @@
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*
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*/
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/**
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* @defgroup netbuf Network buffers
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* @ingroup netconn
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* Network buffer descriptor for @ref netconn. Based on @ref pbuf internally
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* to avoid copying data around.
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*/
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#include "lwip/opt.h"
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#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
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@ -46,6 +53,7 @@
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#include <string.h>
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/**
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* @ingroup netbuf
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* Create (allocate) and initialize a new netbuf.
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* The netbuf doesn't yet contain a packet buffer!
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*
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@ -79,6 +87,7 @@ netbuf *netbuf_new(void)
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}
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/**
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* @ingroup netbuf
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* Deallocate a netbuf allocated by netbuf_new().
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*
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* @param buf pointer to a netbuf allocated by netbuf_new()
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@ -96,6 +105,7 @@ netbuf_delete(struct netbuf *buf)
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}
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/**
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* @ingroup netbuf
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* Allocate memory for a packet buffer for a given netbuf.
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*
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* @param buf the netbuf for which to allocate a packet buffer
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@ -123,6 +133,7 @@ netbuf_alloc(struct netbuf *buf, u16_t size)
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}
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/**
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* @ingroup netbuf
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* Free the packet buffer included in a netbuf
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*
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* @param buf pointer to the netbuf which contains the packet buffer to free
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@ -138,6 +149,7 @@ netbuf_free(struct netbuf *buf)
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}
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/**
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* @ingroup netbuf
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* Let a netbuf reference existing (non-volatile) data.
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*
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* @param buf netbuf which should reference the data
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@ -165,6 +177,7 @@ netbuf_ref(struct netbuf *buf, const void *dataptr, u16_t size)
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}
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/**
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* @ingroup netbuf
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* Chain one netbuf to another (@see pbuf_chain)
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*
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* @param head the first netbuf
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@ -181,6 +194,7 @@ netbuf_chain(struct netbuf *head, struct netbuf *tail)
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}
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/**
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* @ingroup netbuf
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* Get the data pointer and length of the data inside a netbuf.
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*
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* @param buf netbuf to get the data from
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@ -205,6 +219,7 @@ netbuf_data(struct netbuf *buf, void **dataptr, u16_t *len)
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}
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/**
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* @ingroup netbuf
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* Move the current data pointer of a packet buffer contained in a netbuf
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* to the next part.
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* The packet buffer itself is not modified.
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@ -229,6 +244,7 @@ netbuf_next(struct netbuf *buf)
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}
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/**
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* @ingroup netbuf
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* Move the current data pointer of a packet buffer contained in a netbuf
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* to the beginning of the packet.
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* The packet buffer itself is not modified.
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@ -35,7 +35,7 @@
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*/
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/**
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* @defgroup netif Network interface
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* @defgroup netif Network interface (NETIF)
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*/
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#include "lwip/opt.h"
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@ -4,7 +4,7 @@
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*/
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/**
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* @defgroup pbuf PBUF
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* @defgroup pbuf Payload buffers (PBUF)
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*
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* Packets are built from the pbuf data structure. It supports dynamic
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* memory allocation for packet contents or can reference externally
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@ -81,7 +81,7 @@ extern "C" {
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#endif /* LWIP_IPV6 */
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/* Helpers to process several netconn_types by the same code */
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/* Helpers to process several netconn_types by the same code */
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#define NETCONNTYPE_GROUP(t) ((t)&0xF0)
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#define NETCONNTYPE_DATAGRAM(t) ((t)&0xE0)
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#if LWIP_IPV6
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@ -94,7 +94,9 @@ extern "C" {
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#define NETCONNTYPE_ISUDPNOCHKSUM(t) ((t) == NETCONN_UDPNOCHKSUM)
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#endif /* LWIP_IPV6 */
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/** Protocol family and type of the netconn */
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/** @ingroup netconn_common
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* Protocol family and type of the netconn
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*/
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enum netconn_type {
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NETCONN_INVALID = 0,
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/* NETCONN_TCP Group */
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@ -252,7 +254,10 @@ struct netconn {
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}} while(0);
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/* Network connection functions: */
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/** @ingroup netconn_common */
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#define netconn_new(t) netconn_new_with_proto_and_callback(t, 0, NULL)
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/** @ingroup netconn_common */
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#define netconn_new_with_callback(t, c) netconn_new_with_proto_and_callback(t, 0, c)
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struct netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto,
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netconn_callback callback);
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@ -262,7 +267,9 @@ err_t netconn_delete(struct netconn *conn);
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err_t netconn_getaddr(struct netconn *conn, ip_addr_t *addr,
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u16_t *port, u8_t local);
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/** @ingroup netconn_common */
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#define netconn_peer(c,i,p) netconn_getaddr(c,i,p,0)
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/** @ingroup netconn_common */
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#define netconn_addr(c,i,p) netconn_getaddr(c,i,p,1)
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err_t netconn_bind(struct netconn *conn, const ip_addr_t *addr, u16_t port);
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@ -278,6 +285,7 @@ err_t netconn_sendto(struct netconn *conn, struct netbuf *buf,
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err_t netconn_send(struct netconn *conn, struct netbuf *buf);
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err_t netconn_write_partly(struct netconn *conn, const void *dataptr, size_t size,
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u8_t apiflags, size_t *bytes_written);
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/** @ingroup netconn_tcp */
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#define netconn_write(conn, dataptr, size, apiflags) \
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netconn_write_partly(conn, dataptr, size, apiflags, NULL)
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err_t netconn_close(struct netconn *conn);
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