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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-10-11 10:12:22 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-10-11 10:12:22 +0000 |
| commit | 6834b95aa979dbb197ca1b9a5bced576cce4e96f (patch) | |
| tree | 2015e6e3a2228c322e0be6a7a7b897be499052a6 /demos/ARM7-AT91SAM7X-LWIP-GCC/web/web.c | |
| parent | b97ff7cf12656030843d8dff5a367f76f992bb08 (diff) | |
| download | ChibiOS-6834b95aa979dbb197ca1b9a5bced576cce4e96f.tar.gz ChibiOS-6834b95aa979dbb197ca1b9a5bced576cce4e96f.tar.bz2 ChibiOS-6834b95aa979dbb197ca1b9a5bced576cce4e96f.zip | |
lwIP demo added.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1209 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'demos/ARM7-AT91SAM7X-LWIP-GCC/web/web.c')
| -rw-r--r-- | demos/ARM7-AT91SAM7X-LWIP-GCC/web/web.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/web/web.c b/demos/ARM7-AT91SAM7X-LWIP-GCC/web/web.c new file mode 100644 index 000000000..88701ce3e --- /dev/null +++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/web/web.c @@ -0,0 +1,118 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * 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
+
+const static char http_html_hdr[] = "HTTP/1.1 200 OK\r\nContent-type: text/html\r\n\r\n";
+const static 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;
+
+ /* Read the data from the port, blocking if nothing yet there.
+ We assume the request (the part we care about) is in one netbuf */
+ inbuf = netconn_recv(conn);
+
+ if (netconn_err(conn) == 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;
+
+ /* 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) {
+ newconn = netconn_accept(conn);
+ http_server_serve(newconn);
+ netconn_delete(newconn);
+ }
+ return RDY_OK;
+}
+
+#endif /* LWIP_NETCONN */
+
+/** @} */
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