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[exim.git] / test / src / server.c

diff --git a/test/src/server.c b/test/src/server.c
index 4a48965e27142e5f2df0c353a0999045a9ad72ec..8fda1d4b00ae62e27945898e0a1543669527ba79 100644 (file)
--- 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>
@@ -52,6 +53,7 @@ on all interfaces, unless the option -noipv6 is given. */
 
 #ifndef CS
 # define CS (char *)
+# define CCS (const char *)
 #endif
 
 
@@ -157,7 +159,8 @@ putchar('\n');
 #define udn 2    /* Unix domain socket number */
 #define skn 2    /* Potential number of sockets */
 
-int main(int argc, char **argv)
+int
+main(int argc, char **argv)
 {
 int i;
 int port = 0;
@@ -168,7 +171,7 @@ 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;
@@ -213,6 +216,7 @@ 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);
   }
@@ -220,6 +224,7 @@ 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;
@@ -263,7 +268,7 @@ if (na < argc) connection_count = atoi(argv[na]);
 if (initial_pause > 0)
   {
   if (debug)
-    printf("%d: Inital pause of %d seconds\n", time(NULL), initial_pause);
+    printf("%ld: Inital pause of %d seconds\n", (long)time(NULL), initial_pause);
   else
     printf("Inital pause of %d seconds\n", initial_pause);
   while (initial_pause > 0)
@@ -274,7 +279,7 @@ if (initial_pause > 0)
 
 if (port == 0)  /* Unix domain */
   {
-  if (debug) printf("%d: Creating Unix domain socket\n", time(NULL));
+  if (debug) printf("%ld: Creating Unix domain socket\n", (long) time(NULL));
   listen_socket[udn] = socket(PF_UNIX, SOCK_STREAM, 0);
   if (listen_socket[udn] < 0)
     {
@@ -294,7 +299,15 @@ else
       printf("IPv6 socket creation failed: %s\n", strerror(errno));
       exit(1);
       }
-
+#if defined(TCP_FASTOPEN) && !defined(__APPLE__)
+    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. */
 
@@ -318,6 +331,15 @@ else
       printf("IPv4 socket creation failed: %s\n", strerror(errno));
       exit(1);
       }
+#if defined(TCP_FASTOPEN) && !defined(__APPLE__)
+    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
     }
   }
 
@@ -380,7 +402,7 @@ 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);
         }
       }
@@ -397,10 +419,9 @@ else
       sin4.sin_addr.s_addr = (S_ADDR_TYPE)INADDR_ANY;
       sin4.sin_port = htons(port);
       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
@@ -408,7 +429,6 @@ else
           close(listen_socket[i]);
           listen_socket[i] = -1;
           }
-        }
       }
     }
   }
@@ -419,16 +439,21 @@ error because it means that the IPv6 socket will handle IPv4 connections. Don't
 output anything, because it will mess up the test output, which will be
 different for systems that do this and those that don't. */
 
-for (i = 0; i <= skn; i++)
+for (i = 0; i <= skn; i++) if (listen_socket[i] >= 0)
   {
-  if (listen_socket[i] >= 0 && listen(listen_socket[i], 5) < 0)
-    {
+  if (listen(listen_socket[i], 5) < 0)
     if (i != v4n || listen_socket[v6n] < 0 || errno != EADDRINUSE)
       {
       printf("listen() failed: %s\n", strerror(errno));
       exit(1);
       }
-    }
+
+#if defined(TCP_FASTOPEN) && defined(__APPLE__)
+  if (  tfo
+     && setsockopt(listen_socket[v4n], IPPROTO_TCP, TCP_FASTOPEN, &on, sizeof(on))
+     && debug)
+      printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno));
+#endif
   }
 
 
@@ -626,7 +651,7 @@ for (count = 0; count < connection_count; count++)
         { end = "\n"; ss += 3; len -= 3; }
 
       fwrite(ss, 1, len, out);
-      if (*end) fprintf(out, end);
+      if (*end) fputs(end, out);
       }
 
     else if (isdigit((unsigned char)ss[0]))
@@ -662,7 +687,7 @@ for (count = 0; count < connection_count; count++)
          n = dlen < sizeof(buffer) ? dlen : sizeof(buffer);
          if ((n = read(dup_accept_socket, CS buffer, n)) == 0)
            {
-           printf("Unxpected EOF read from client\n");
+           printf("Unexpected EOF read from client\n");
            s = s->next;
            goto END_OFF;
            }
@@ -672,7 +697,7 @@ for (count = 0; count < connection_count; count++)
        while (dlen-- > 0)
          if (fgetc(in) == EOF)
            {
-           printf("Unxpected EOF read from client\n");
+           printf("Unexpected EOF read from client\n");
            s = s->next;
            goto END_OFF;
            }
@@ -728,7 +753,7 @@ for (count = 0; count < connection_count; count++)
        alarm(0);
        n += offset;
 
-       printit(buffer, n);
+       printit(CS buffer, n);
 
        if (data) do
          {
@@ -774,8 +799,10 @@ for (count = 0; count < connection_count; count++)
          }
        }
 
-       if (sscanf(buffer, "<Content-length: %d", &content_length.left)) content_length.in_use = TRUE;
-       if (content_length.in_use && content_length.left <= 0) shutdown(dup_accept_socket, SHUT_RD);
+       if (sscanf(CCS buffer, "<Content-length: %d", &content_length.left))
+                 content_length.in_use = TRUE;
+       if (content_length.in_use && content_length.left <= 0)
+         shutdown(dup_accept_socket, SHUT_RD);
       }
     }