1 files changed, 75 insertions, 0 deletions
diff --git a/bsp/stm32f103vb_lwip/httpserver-netconn.c b/bsp/stm32f103vb_lwip/httpserver-netconn.c
new file mode 100644
index 0000000000..3583268c45
--- /dev/null
+++ b/bsp/stm32f103vb_lwip/httpserver-netconn.c
@@ -0,0 +1,75 @@
+#include "lwip/opt.h"
+#include "lwip/arch.h"
+#include "lwip/api.h"
+
+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>";
+
+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, &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);
+}
+
+void http_server(void* parameter) {
+  struct netconn *conn, *newconn;
+  
+  /* Create a new TCP connection handle */
+  conn = netconn_new(NETCONN_TCP);
+  LWIP_ERROR("http_server: invalid conn", (conn != NULL), );
+  
+  /* Bind to port 80 (HTTP) with default IP address */
+  netconn_bind(conn, NULL, 80);
+  
+  /* Put the connection into LISTEN state */
+  netconn_listen(conn);
+  
+  while(1) {
+    newconn = netconn_accept(conn);
+    http_server_serve(newconn);
+    netconn_delete(newconn);
+  }
+}
+
+void httpd_init()
+{
+	rt_thread_t httpd = rt_thread_create("web", 
+		http_server, RT_NULL,
+		1024, 20, 8);
+	
+	if (httpd != RT_NULL)
+		rt_thread_startup(httpd);
+}