Ilya I
Example program with HTTPServer and sensor data streaming over TCPSockets, using Donatien Garnier's Net APIs and services code on top of LWIP. Files StreamServer.h and .cpp encapsulate streaming over TCPSockets. Broadcast is done by sendToAll(), and all incoming data is echoed back to the client. Echo code can be replaced with some remote control of the streaming interface. See main() that shows how to periodically send some data to all subscribed clients. To subscribe, a client should open a socket at <mbed_ip> port 123. I used few lines in TCL code to set up a quick sink for the data. HTTP files are served on port 80 concurrently to the streaming.
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init.h
00001 /* 00002 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without modification, 00006 * are permitted provided that the following conditions are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 3. The name of the author may not be used to endorse or promote products 00014 * derived from this software without specific prior written permission. 00015 * 00016 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00017 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00018 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00019 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00020 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00021 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00024 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00025 * OF SUCH DAMAGE. 00026 * 00027 * This file is part of the lwIP TCP/IP stack. 00028 * 00029 * Author: Adam Dunkels <adam@sics.se> 00030 * 00031 */ 00032 #ifndef __LWIP_INIT_H__ 00033 #define __LWIP_INIT_H__ 00034 00035 #include "lwip/opt.h" 00036 00037 #ifdef __cplusplus 00038 extern "C" { 00039 #endif 00040 00041 /** X.x.x: Major version of the stack */ 00042 #define LWIP_VERSION_MAJOR 1U 00043 /** x.X.x: Minor version of the stack */ 00044 #define LWIP_VERSION_MINOR 4U 00045 /** x.x.X: Revision of the stack */ 00046 #define LWIP_VERSION_REVISION 0U 00047 /** For release candidates, this is set to 1..254 00048 * For official releases, this is set to 255 (LWIP_RC_RELEASE) 00049 * For development versions (CVS), this is set to 0 (LWIP_RC_DEVELOPMENT) */ 00050 #define LWIP_VERSION_RC 0U 00051 00052 /** LWIP_VERSION_RC is set to LWIP_RC_RELEASE for official releases */ 00053 #define LWIP_RC_RELEASE 255U 00054 /** LWIP_VERSION_RC is set to LWIP_RC_DEVELOPMENT for CVS versions */ 00055 #define LWIP_RC_DEVELOPMENT 0U 00056 00057 #define LWIP_VERSION_IS_RELEASE (LWIP_VERSION_RC == LWIP_RC_RELEASE) 00058 #define LWIP_VERSION_IS_DEVELOPMENT (LWIP_VERSION_RC == LWIP_RC_DEVELOPMENT) 00059 #define LWIP_VERSION_IS_RC ((LWIP_VERSION_RC != LWIP_RC_RELEASE) && (LWIP_VERSION_RC != LWIP_RC_DEVELOPMENT)) 00060 00061 /** Provides the version of the stack */ 00062 #define LWIP_VERSION (LWIP_VERSION_MAJOR << 24 | LWIP_VERSION_MINOR << 16 | \ 00063 LWIP_VERSION_REVISION << 8 | LWIP_VERSION_RC) 00064 00065 /* Modules initialization */ 00066 void lwip_init(void); 00067 00068 #ifdef __cplusplus 00069 } 00070 #endif 00071 00072 #endif /* __LWIP_INIT_H__ */
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