diff options
Diffstat (limited to 'demos/ARMCM3-LPC1769-LPCXPRESSO-LWIP/web/web.c')
-rw-r--r-- | demos/ARMCM3-LPC1769-LPCXPRESSO-LWIP/web/web.c | 242 |
1 files changed, 121 insertions, 121 deletions
diff --git a/demos/ARMCM3-LPC1769-LPCXPRESSO-LWIP/web/web.c b/demos/ARMCM3-LPC1769-LPCXPRESSO-LWIP/web/web.c index ed911b729..c4f16852e 100644 --- a/demos/ARMCM3-LPC1769-LPCXPRESSO-LWIP/web/web.c +++ b/demos/ARMCM3-LPC1769-LPCXPRESSO-LWIP/web/web.c @@ -1,121 +1,121 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -/* - * This file is a modified version of the lwIP web server demo. The original - * author is unknown because the file didn't contain any license information. - */ - -/** - * @file web.c - * @brief HTTP server wrapper thread code. - * @addtogroup WEB_THREAD - * @{ - */ - -#include "ch.h" - -#include "lwip/opt.h" -#include "lwip/arch.h" -#include "lwip/api.h" - -#include "web.h" - -#if LWIP_NETCONN - -static const char http_html_hdr[] = "HTTP/1.1 200 OK\r\nContent-type: text/html\r\n\r\n"; -static const char http_index_html[] = "<html><head><title>Congrats!</title></head><body><h1>Welcome to our lwIP HTTP server!</h1><p>This is a small test page.</body></html>"; - -static void http_server_serve(struct netconn *conn) { - struct netbuf *inbuf; - char *buf; - u16_t buflen; - err_t err; - - /* Read the data from the port, blocking if nothing yet there. - We assume the request (the part we care about) is in one netbuf */ - err = netconn_recv(conn, &inbuf); - - if (err == ERR_OK) { - netbuf_data(inbuf, (void **)&buf, &buflen); - - /* Is this an HTTP GET command? (only check the first 5 chars, since - there are other formats for GET, and we're keeping it very simple )*/ - if (buflen>=5 && - buf[0]=='G' && - buf[1]=='E' && - buf[2]=='T' && - buf[3]==' ' && - buf[4]=='/' ) { - - /* Send the HTML header - * subtract 1 from the size, since we dont send the \0 in the string - * NETCONN_NOCOPY: our data is const static, so no need to copy it - */ - netconn_write(conn, http_html_hdr, sizeof(http_html_hdr)-1, NETCONN_NOCOPY); - - /* Send our HTML page */ - netconn_write(conn, http_index_html, sizeof(http_index_html)-1, NETCONN_NOCOPY); - } - } - /* Close the connection (server closes in HTTP) */ - netconn_close(conn); - - /* Delete the buffer (netconn_recv gives us ownership, - so we have to make sure to deallocate the buffer) */ - netbuf_delete(inbuf); -} - -/** - * Stack area for the http thread. - */ -WORKING_AREA(wa_http_server, WEB_THREAD_STACK_SIZE); - -/** - * HTTP server thread. - */ -msg_t http_server(void *p) { - struct netconn *conn, *newconn; - err_t err; - - (void)p; - - /* Create a new TCP connection handle */ - conn = netconn_new(NETCONN_TCP); - LWIP_ERROR("http_server: invalid conn", (conn != NULL), return RDY_RESET;); - - /* Bind to port 80 (HTTP) with default IP address */ - netconn_bind(conn, NULL, WEB_THREAD_PORT); - - /* Put the connection into LISTEN state */ - netconn_listen(conn); - - /* Goes to the final priority after initialization.*/ - chThdSetPriority(WEB_THREAD_PRIORITY); - - while(1) { - err = netconn_accept(conn, &newconn); - if (err != ERR_OK) - continue; - http_server_serve(newconn); - netconn_delete(newconn); - } - return RDY_OK; -} - -#endif /* LWIP_NETCONN */ - -/** @} */ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/*
+ * This file is a modified version of the lwIP web server demo. The original
+ * author is unknown because the file didn't contain any license information.
+ */
+
+/**
+ * @file web.c
+ * @brief HTTP server wrapper thread code.
+ * @addtogroup WEB_THREAD
+ * @{
+ */
+
+#include "ch.h"
+
+#include "lwip/opt.h"
+#include "lwip/arch.h"
+#include "lwip/api.h"
+
+#include "web.h"
+
+#if LWIP_NETCONN
+
+static const char http_html_hdr[] = "HTTP/1.1 200 OK\r\nContent-type: text/html\r\n\r\n";
+static const char http_index_html[] = "<html><head><title>Congrats!</title></head><body><h1>Welcome to our lwIP HTTP server!</h1><p>This is a small test page.</body></html>";
+
+static void http_server_serve(struct netconn *conn) {
+ struct netbuf *inbuf;
+ char *buf;
+ u16_t buflen;
+ err_t err;
+
+ /* Read the data from the port, blocking if nothing yet there.
+ We assume the request (the part we care about) is in one netbuf */
+ err = netconn_recv(conn, &inbuf);
+
+ if (err == ERR_OK) {
+ netbuf_data(inbuf, (void **)&buf, &buflen);
+
+ /* Is this an HTTP GET command? (only check the first 5 chars, since
+ there are other formats for GET, and we're keeping it very simple )*/
+ if (buflen>=5 &&
+ buf[0]=='G' &&
+ buf[1]=='E' &&
+ buf[2]=='T' &&
+ buf[3]==' ' &&
+ buf[4]=='/' ) {
+
+ /* Send the HTML header
+ * subtract 1 from the size, since we dont send the \0 in the string
+ * NETCONN_NOCOPY: our data is const static, so no need to copy it
+ */
+ netconn_write(conn, http_html_hdr, sizeof(http_html_hdr)-1, NETCONN_NOCOPY);
+
+ /* Send our HTML page */
+ netconn_write(conn, http_index_html, sizeof(http_index_html)-1, NETCONN_NOCOPY);
+ }
+ }
+ /* Close the connection (server closes in HTTP) */
+ netconn_close(conn);
+
+ /* Delete the buffer (netconn_recv gives us ownership,
+ so we have to make sure to deallocate the buffer) */
+ netbuf_delete(inbuf);
+}
+
+/**
+ * Stack area for the http thread.
+ */
+WORKING_AREA(wa_http_server, WEB_THREAD_STACK_SIZE);
+
+/**
+ * HTTP server thread.
+ */
+msg_t http_server(void *p) {
+ struct netconn *conn, *newconn;
+ err_t err;
+
+ (void)p;
+
+ /* Create a new TCP connection handle */
+ conn = netconn_new(NETCONN_TCP);
+ LWIP_ERROR("http_server: invalid conn", (conn != NULL), return RDY_RESET;);
+
+ /* Bind to port 80 (HTTP) with default IP address */
+ netconn_bind(conn, NULL, WEB_THREAD_PORT);
+
+ /* Put the connection into LISTEN state */
+ netconn_listen(conn);
+
+ /* Goes to the final priority after initialization.*/
+ chThdSetPriority(WEB_THREAD_PRIORITY);
+
+ while(1) {
+ err = netconn_accept(conn, &newconn);
+ if (err != ERR_OK)
+ continue;
+ http_server_serve(newconn);
+ netconn_delete(newconn);
+ }
+ return RDY_OK;
+}
+
+#endif /* LWIP_NETCONN */
+
+/** @} */
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