X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/4c04137d73637107669e02b21f890387aaa2ef34..3249f1b7dc4893c2b896db3813bc6222d2dc9bef:/test/src/server.c

diff --git a/test/src/server.c b/test/src/server.c
index ce55c5c37..d433ebe0e 100644
--- a/test/src/server.c
+++ b/test/src/server.c
@@ -26,6 +26,7 @@ on all interfaces, unless the option -noipv6 is given. */
 #include <netinet/in_systm.h>
 #include <netinet/in.h>
 #include <netinet/ip.h>
+#include <netinet/tcp.h>
 
 #ifdef HAVE_NETINET_IP_VAR_H
 # include <netinet/ip_var.h>
@@ -169,7 +170,7 @@ int connection_count = 1;
 int count;
 int on = 1;
 int timeout = 5;
-int initial_pause = 0;
+int initial_pause = 0, tfo = 0;
 int use_ipv4 = 1;
 int use_ipv6 = 1;
 int debug = 0;
@@ -214,6 +215,7 @@ if (argc > 1 && (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")))
        "\n\t-noipv6  disable ipv6"
        "\n\t-oP file write PID to file"
        "\n\t-t n     n seconds timeout"
+       "\n\t-tfo     enable TCP Fast Open"
   );
   exit(0);
   }
@@ -221,6 +223,7 @@ if (argc > 1 && (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")))
 while (na < argc && argv[na][0] == '-')
   {
   if (strcmp(argv[na], "-d") == 0) debug = 1;
+  else if (strcmp(argv[na], "-tfo") == 0) tfo = 1;
   else if (strcmp(argv[na], "-t") == 0)
     {
     if (tmo_noerror = ((timeout = atoi(argv[++na])) < 0)) timeout = -timeout;
@@ -295,7 +298,15 @@ else
       printf("IPv6 socket creation failed: %s\n", strerror(errno));
       exit(1);
       }
-
+#ifdef TCP_FASTOPEN
+    if (tfo)
+      {
+      int backlog = 5;
+      if (setsockopt(listen_socket[v6n], IPPROTO_TCP, TCP_FASTOPEN,
+                    &backlog, sizeof(backlog)))
+	if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno));
+      }
+#endif
     /* If this is an IPv6 wildcard socket, set IPV6_V6ONLY if that option is
     available. */
 
@@ -319,6 +330,15 @@ else
       printf("IPv4 socket creation failed: %s\n", strerror(errno));
       exit(1);
       }
+#ifdef TCP_FASTOPEN
+    if (tfo)
+      {
+      int backlog = 5;
+      if (setsockopt(listen_socket[v4n], IPPROTO_TCP, TCP_FASTOPEN,
+                    &backlog, sizeof(backlog)))
+	if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno));
+      }
+#endif
     }
   }
 
@@ -381,7 +401,7 @@ else
       sin6.sin6_addr = anyaddr6;
       if (bind(listen_socket[i], (struct sockaddr *)&sin6, sizeof(sin6)) < 0)
         {
-        printf("IPv6 socket bind() failed: %s\n", strerror(errno));
+        printf("IPv6 socket bind(port %d) failed: %s\n", port, strerror(errno));
         exit(1);
         }
       }
@@ -400,7 +420,7 @@ else
       if (bind(listen_socket[i], (struct sockaddr *)&sin4, sizeof(sin4)) < 0)
         if (listen_socket[v6n] < 0 || errno != EADDRINUSE)
           {
-          printf("IPv4 socket bind() failed: %s\n", strerror(errno));
+          printf("IPv4 socket bind(port %d) failed: %s\n", port, strerror(errno));
           exit(1);
           }
         else