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EthernetNetIf/LPC2368/lwip/include/lwip/api_msg.h@0:58c3d014a4e7, 2011-09-06 (annotated)

Committer:: slowness
Date:: Tue Sep 06 18:05:46 2011 +0000
Revision:: 0:58c3d014a4e7

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User	Revision	Line number	New contents of line
slowness	0:58c3d014a4e7	1	/*
slowness	0:58c3d014a4e7	2	* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
slowness	0:58c3d014a4e7	3	* All rights reserved.
slowness	0:58c3d014a4e7	4	*
slowness	0:58c3d014a4e7	5	* Redistribution and use in source and binary forms, with or without modification,
slowness	0:58c3d014a4e7	6	* are permitted provided that the following conditions are met:
slowness	0:58c3d014a4e7	7	*
slowness	0:58c3d014a4e7	8	* 1. Redistributions of source code must retain the above copyright notice,
slowness	0:58c3d014a4e7	9	* this list of conditions and the following disclaimer.
slowness	0:58c3d014a4e7	10	* 2. Redistributions in binary form must reproduce the above copyright notice,
slowness	0:58c3d014a4e7	11	* this list of conditions and the following disclaimer in the documentation
slowness	0:58c3d014a4e7	12	* and/or other materials provided with the distribution.
slowness	0:58c3d014a4e7	13	* 3. The name of the author may not be used to endorse or promote products
slowness	0:58c3d014a4e7	14	* derived from this software without specific prior written permission.
slowness	0:58c3d014a4e7	15	*
slowness	0:58c3d014a4e7	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
slowness	0:58c3d014a4e7	17	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
slowness	0:58c3d014a4e7	18	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
slowness	0:58c3d014a4e7	19	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
slowness	0:58c3d014a4e7	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
slowness	0:58c3d014a4e7	21	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
slowness	0:58c3d014a4e7	22	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
slowness	0:58c3d014a4e7	23	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
slowness	0:58c3d014a4e7	24	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
slowness	0:58c3d014a4e7	25	* OF SUCH DAMAGE.
slowness	0:58c3d014a4e7	26	*
slowness	0:58c3d014a4e7	27	* This file is part of the lwIP TCP/IP stack.
slowness	0:58c3d014a4e7	28	*
slowness	0:58c3d014a4e7	29	* Author: Adam Dunkels <adam@sics.se>
slowness	0:58c3d014a4e7	30	*
slowness	0:58c3d014a4e7	31	*/
slowness	0:58c3d014a4e7	32	#ifndef __LWIP_API_MSG_H__
slowness	0:58c3d014a4e7	33	#define __LWIP_API_MSG_H__
slowness	0:58c3d014a4e7	34
slowness	0:58c3d014a4e7	35	#include "lwip/opt.h"
slowness	0:58c3d014a4e7	36
slowness	0:58c3d014a4e7	37	#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
slowness	0:58c3d014a4e7	38
slowness	0:58c3d014a4e7	39	#include <stddef.h> /* for size_t */
slowness	0:58c3d014a4e7	40
slowness	0:58c3d014a4e7	41	#include "lwip/ip_addr.h"
slowness	0:58c3d014a4e7	42	#include "lwip/err.h"
slowness	0:58c3d014a4e7	43	#include "lwip/sys.h"
slowness	0:58c3d014a4e7	44	#include "lwip/igmp.h"
slowness	0:58c3d014a4e7	45	#include "lwip/api.h"
slowness	0:58c3d014a4e7	46
slowness	0:58c3d014a4e7	47	#ifdef __cplusplus
slowness	0:58c3d014a4e7	48	extern "C" {
slowness	0:58c3d014a4e7	49	#endif
slowness	0:58c3d014a4e7	50
slowness	0:58c3d014a4e7	51	#define NETCONN_SHUT_RD 1
slowness	0:58c3d014a4e7	52	#define NETCONN_SHUT_WR 2
slowness	0:58c3d014a4e7	53	#define NETCONN_SHUT_RDWR 3
slowness	0:58c3d014a4e7	54
slowness	0:58c3d014a4e7	55	/* IP addresses and port numbers are expected to be in
slowness	0:58c3d014a4e7	56	* the same byte order as in the corresponding pcb.
slowness	0:58c3d014a4e7	57	*/
slowness	0:58c3d014a4e7	58	/** This struct includes everything that is necessary to execute a function
slowness	0:58c3d014a4e7	59	for a netconn in another thread context (mainly used to process netconns
slowness	0:58c3d014a4e7	60	in the tcpip_thread context to be thread safe). */
slowness	0:58c3d014a4e7	61	struct api_msg_msg {
slowness	0:58c3d014a4e7	62	/** The netconn which to process - always needed: it includes the semaphore
slowness	0:58c3d014a4e7	63	which is used to block the application thread until the function finished. */
slowness	0:58c3d014a4e7	64	struct netconn *conn;
slowness	0:58c3d014a4e7	65	/** The return value of the function executed in tcpip_thread. */
slowness	0:58c3d014a4e7	66	err_t err;
slowness	0:58c3d014a4e7	67	/** Depending on the executed function, one of these union members is used */
slowness	0:58c3d014a4e7	68	union {
slowness	0:58c3d014a4e7	69	/** used for do_send */
slowness	0:58c3d014a4e7	70	struct netbuf *b;
slowness	0:58c3d014a4e7	71	/** used for do_newconn */
slowness	0:58c3d014a4e7	72	struct {
slowness	0:58c3d014a4e7	73	u8_t proto;
slowness	0:58c3d014a4e7	74	} n;
slowness	0:58c3d014a4e7	75	/** used for do_bind and do_connect */
slowness	0:58c3d014a4e7	76	struct {
slowness	0:58c3d014a4e7	77	ip_addr_t *ipaddr;
slowness	0:58c3d014a4e7	78	u16_t port;
slowness	0:58c3d014a4e7	79	} bc;
slowness	0:58c3d014a4e7	80	/** used for do_getaddr */
slowness	0:58c3d014a4e7	81	struct {
slowness	0:58c3d014a4e7	82	ip_addr_t *ipaddr;
slowness	0:58c3d014a4e7	83	u16_t *port;
slowness	0:58c3d014a4e7	84	u8_t local;
slowness	0:58c3d014a4e7	85	} ad;
slowness	0:58c3d014a4e7	86	/** used for do_write */
slowness	0:58c3d014a4e7	87	struct {
slowness	0:58c3d014a4e7	88	const void *dataptr;
slowness	0:58c3d014a4e7	89	size_t len;
slowness	0:58c3d014a4e7	90	u8_t apiflags;
slowness	0:58c3d014a4e7	91	} w;
slowness	0:58c3d014a4e7	92	/** used for do_recv */
slowness	0:58c3d014a4e7	93	struct {
slowness	0:58c3d014a4e7	94	u32_t len;
slowness	0:58c3d014a4e7	95	} r;
slowness	0:58c3d014a4e7	96	/** used for do_close (/shutdown) */
slowness	0:58c3d014a4e7	97	struct {
slowness	0:58c3d014a4e7	98	u8_t shut;
slowness	0:58c3d014a4e7	99	} sd;
slowness	0:58c3d014a4e7	100	#if LWIP_IGMP
slowness	0:58c3d014a4e7	101	/** used for do_join_leave_group */
slowness	0:58c3d014a4e7	102	struct {
slowness	0:58c3d014a4e7	103	ip_addr_t *multiaddr;
slowness	0:58c3d014a4e7	104	ip_addr_t *netif_addr;
slowness	0:58c3d014a4e7	105	enum netconn_igmp join_or_leave;
slowness	0:58c3d014a4e7	106	} jl;
slowness	0:58c3d014a4e7	107	#endif /* LWIP_IGMP */
slowness	0:58c3d014a4e7	108	#if TCP_LISTEN_BACKLOG
slowness	0:58c3d014a4e7	109	struct {
slowness	0:58c3d014a4e7	110	u8_t backlog;
slowness	0:58c3d014a4e7	111	} lb;
slowness	0:58c3d014a4e7	112	#endif /* TCP_LISTEN_BACKLOG */
slowness	0:58c3d014a4e7	113	} msg;
slowness	0:58c3d014a4e7	114	};
slowness	0:58c3d014a4e7	115
slowness	0:58c3d014a4e7	116	/** This struct contains a function to execute in another thread context and
slowness	0:58c3d014a4e7	117	a struct api_msg_msg that serves as an argument for this function.
slowness	0:58c3d014a4e7	118	This is passed to tcpip_apimsg to execute functions in tcpip_thread context. */
slowness	0:58c3d014a4e7	119	struct api_msg {
slowness	0:58c3d014a4e7	120	/** function to execute in tcpip_thread context */
slowness	0:58c3d014a4e7	121	void (* function)(struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	122	/** arguments for this function */
slowness	0:58c3d014a4e7	123	struct api_msg_msg msg;
slowness	0:58c3d014a4e7	124	};
slowness	0:58c3d014a4e7	125
slowness	0:58c3d014a4e7	126	#if LWIP_DNS
slowness	0:58c3d014a4e7	127	/** As do_gethostbyname requires more arguments but doesn't require a netconn,
slowness	0:58c3d014a4e7	128	it has its own struct (to avoid struct api_msg getting bigger than necessary).
slowness	0:58c3d014a4e7	129	do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg
slowness	0:58c3d014a4e7	130	(see netconn_gethostbyname). */
slowness	0:58c3d014a4e7	131	struct dns_api_msg {
slowness	0:58c3d014a4e7	132	/** Hostname to query or dotted IP address string */
slowness	0:58c3d014a4e7	133	const char *name;
slowness	0:58c3d014a4e7	134	/** Rhe resolved address is stored here */
slowness	0:58c3d014a4e7	135	ip_addr_t *addr;
slowness	0:58c3d014a4e7	136	/** This semaphore is posted when the name is resolved, the application thread
slowness	0:58c3d014a4e7	137	should wait on it. */
slowness	0:58c3d014a4e7	138	sys_sem_t *sem;
slowness	0:58c3d014a4e7	139	/** Errors are given back here */
slowness	0:58c3d014a4e7	140	err_t *err;
slowness	0:58c3d014a4e7	141	};
slowness	0:58c3d014a4e7	142	#endif /* LWIP_DNS */
slowness	0:58c3d014a4e7	143
slowness	0:58c3d014a4e7	144	void do_newconn ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	145	void do_delconn ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	146	void do_bind ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	147	void do_connect ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	148	void do_disconnect ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	149	void do_listen ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	150	void do_send ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	151	void do_recv ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	152	void do_write ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	153	void do_getaddr ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	154	void do_close ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	155	void do_shutdown ( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	156	#if LWIP_IGMP
slowness	0:58c3d014a4e7	157	void do_join_leave_group( struct api_msg_msg *msg);
slowness	0:58c3d014a4e7	158	#endif /* LWIP_IGMP */
slowness	0:58c3d014a4e7	159
slowness	0:58c3d014a4e7	160	#if LWIP_DNS
slowness	0:58c3d014a4e7	161	void do_gethostbyname(void *arg);
slowness	0:58c3d014a4e7	162	#endif /* LWIP_DNS */
slowness	0:58c3d014a4e7	163
slowness	0:58c3d014a4e7	164	struct netconn* netconn_alloc(enum netconn_type t, netconn_callback callback);
slowness	0:58c3d014a4e7	165	void netconn_free(struct netconn *conn);
slowness	0:58c3d014a4e7	166
slowness	0:58c3d014a4e7	167	#ifdef __cplusplus
slowness	0:58c3d014a4e7	168	}
slowness	0:58c3d014a4e7	169	#endif
slowness	0:58c3d014a4e7	170
slowness	0:58c3d014a4e7	171	#endif /* LWIP_NETCONN */
slowness	0:58c3d014a4e7	172
slowness	0:58c3d014a4e7	173	#endif /* __LWIP_API_MSG_H__ */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	06 Sep 2011
Imports:	112
Forks:	0
Commits:	1
Dependents:	1
Dependencies:	1
Followers:	2

EthernetNetIf/LPC2368/lwip/include/lwip/api_msg.h@0:58c3d014a4e7, 2011-09-06 (annotated)

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