Speed up Webserver demo data rate by not sending a full ethernet frame each time, preventing the receiver from using a delayed ACK scheme which slows down the connection. TELNET server cleanup.

1 files changed, 7 insertions, 3 deletions

diff --git a/Projects/Webserver/Lib/HTTPServerApp.c b/Projects/Webserver/Lib/HTTPServerApp.c
index e781beb22..0d0cbb903 100644
--- a/Projects/Webserver/Lib/HTTPServerApp.c
+++ b/Projects/Webserver/Lib/HTTPServerApp.c
@@ -31,7 +31,7 @@
 /** \file

  *

  *  Simple HTTP Webserver Application. When connected to the uIP stack,

- *  this will serve out files to HTTP clients.

+ *  this will serve out files to HTTP clients on port 80.

  */

  

 #define  INCLUDE_FROM_HTTPSERVERAPP_C

@@ -270,8 +270,12 @@ static void HTTPServerApp_SendData(void)
 	uip_tcp_appstate_t* const AppState    = &uip_conn->appstate;

 	char*               const AppData     = (char*)uip_appdata;

 

-	/* Must determine the maximum segment size to determine maximum file chunk size */

-	uint16_t MaxSegmentSize = uip_mss();

+	/* Must determine the maximum segment size to determine maximum file chunk size - never send a completely

+	 * full packet, as this will cause some hosts to start delaying ACKs until a non-full packet is received.

+	 * since uIP only allows one packet to be in transit at a time, this would cause long delays between packets

+	 * until the host times out and sends the ACK for the last received packet.

+	 */

+	uint16_t MaxSegmentSize = (uip_mss() >> 1);

 

 	/* Return file pointer to the last ACKed position */

 	f_lseek(&AppState->HTTPServer.FileHandle, AppState->HTTPServer.ACKedFilePos);