Initial commit of working OSC parsing over Wifi

1 files changed, 125 insertions, 0 deletions

diff --git a/Libraries/WiShield/examples/Flash/webserver.c b/Libraries/WiShield/examples/Flash/webserver.c
new file mode 100644
index 0000000..045b843
--- /dev/null
+++ b/Libraries/WiShield/examples/Flash/webserver.c
@@ -0,0 +1,125 @@
+
+/******************************************************************************
+
+  Filename:		webserver.h
+  Description:	Webserver app for the WiShield 1.0
+
+ ******************************************************************************
+
+  TCP/IP stack and driver for the WiShield 1.0 wireless devices
+
+  Copyright(c) 2009 Async Labs Inc. All rights reserved.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms of version 2 of the GNU General Public License as
+  published by the Free Software Foundation.
+
+  This program 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, write to the Free Software Foundation, Inc., 59
+  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+  Contact Information:
+  <asynclabs@asynclabs.com>
+
+   Author               Date        Comment
+  ---------------------------------------------------------------
+   AsyncLabs			05/29/2009	Initial version
+
+ *****************************************************************************/
+
+#include "uip.h"
+#include <string.h>
+#include "webserver.h"
+#include "config.h"
+
+static int handle_connection(struct webserver_state *s);
+
+void webserver_init(void)
+{
+	uip_listen(HTONS(80));
+}
+
+void webserver_appcall(void)
+{
+	struct webserver_state *s = &(uip_conn->appstate);
+
+	if(uip_connected()) {
+		PSOCK_INIT(&s->p, s->inputbuf, sizeof(s->inputbuf));
+	}
+
+	handle_connection(s);
+}
+
+#define ISO_nl      0x0a
+#define ISO_space   0x20
+#define ISO_slash   0x2f
+
+const char http_get[5] = {0x47, 0x45, 0x54, 0x20, };	/* "GET " */
+
+unsigned short fill_buf(void* blk)
+{
+	unsigned short webpage_len;
+	char int_string[4];
+
+	webpage_len = (strlen_P(webpage)>uip_mss())?uip_mss():strlen_P(webpage);
+
+	memcpy_P(uip_appdata, webpage, webpage_len);
+
+	sprintf(int_string, "%X", mfg_id[0]);
+	memcpy(&uip_appdata[104], int_string, 2);
+	sprintf(int_string, "%X", mfg_id[1]);
+	memcpy(&uip_appdata[108], int_string, 2);
+
+	return webpage_len;
+}
+
+static int handle_connection(struct webserver_state *s)
+{
+	PSOCK_BEGIN(&s->p);
+
+	// the incoming GET request will have the following format:
+	// GET / HTTP/1.1 ....
+	// we have to parse this string to determine the resource being requested
+	// if the requested resource is not the root webpage ('/') then,
+	// GET /<resource name> HTTP/1.1 ....
+	// we should parse the specific resource and react appropriately
+
+	// read incoming data until we read a space character
+	PSOCK_READTO(&s->p, ISO_space);
+
+	// parse the data to determine if it was a GET request
+	if(strncmp(s->inputbuf, http_get, 4) != 0) {
+		PSOCK_CLOSE_EXIT(&s->p);
+	}
+
+	// continue reading until the next space character
+	PSOCK_READTO(&s->p, ISO_space);
+
+	// determine the requested resource
+	// in this case, we check if the request was for the '/' root page
+	// AKA index.html
+	if(s->inputbuf[0] != ISO_slash) {
+		// request for unknown webpage, close and exit
+		PSOCK_CLOSE_EXIT(&s->p);
+	}
+
+	if(s->inputbuf[1] != ISO_space) {
+		// request for unavailable resource
+		// not supported, modify to add support for additional resources
+		PSOCK_CLOSE_EXIT(&s->p);
+	}
+
+	//PSOCK_SEND_STR(&s->p, "HTTP/1.1 200 OK\r\n");
+	//PSOCK_SEND_STR(&s->p, "Content-Type: text/html\r\n");
+	//PSOCK_SEND_STR(&s->p, "\r\n");
+	//PSOCK_SEND_STR(&s->p, "Hello World, I am WiShield");
+	//PSOCK_SEND_STR(&s->p, "<center><h1>Hello World!! I am WiShield</h1></center>");
+	PSOCK_GENERATOR_SEND(&s->p, fill_buf, 0);
+	PSOCK_CLOSE(&s->p);
+	PSOCK_END(&s->p);
+}