From 0bdd8b858f981ee42650459bd12f0f8c0e756d12 Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Sat, 21 Mar 2009 09:56:25 +0000
Subject: [PATCH] send busy reply if max connections number is exceeded
Originally committed as revision 18103 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
ffserver.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/ffserver.c b/ffserver.c
index baefd780961..39ab5632efa 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -700,6 +700,22 @@ static void start_wait_request(HTTPContext *c, int is_rtsp)
}
}
+static void http_send_too_busy_reply(int fd)
+{
+ char buffer[300];
+ int len = snprintf(buffer, sizeof(buffer),
+ "HTTP/1.0 200 Server too busy\r\n"
+ "Content-type: text/html\r\n"
+ "\r\n"
+ "<html><head><title>Too busy</title></head><body>\r\n"
+ "<p>The server is too busy to serve your request at this time.</p>\r\n"
+ "<p>The number of current connections is %d, and this exceeds the limit of %d.</p>\r\n"
+ "</body></html>\r\n",
+ nb_connections, nb_max_connections);
+ send(fd, buffer, len, 0);
+}
+
+
static void new_connection(int server_fd, int is_rtsp)
{
struct sockaddr_in from_addr;
@@ -715,10 +731,10 @@ static void new_connection(int server_fd, int is_rtsp)
}
ff_socket_nonblock(fd, 1);
- /* XXX: should output a warning page when coming
- close to the connection limit */
- if (nb_connections >= nb_max_connections)
+ if (nb_connections >= nb_max_connections) {
+ http_send_too_busy_reply(fd);
goto fail;
+ }
/* add a new connection */
c = av_mallocz(sizeof(HTTPContext));
--
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