X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/59eaad2b1af0dc58545dff6a7211948782811e1a..d0eb2d4579a562f40f4c36b22d47c0225f61b667:/test/src/server.c?ds=sidebyside

diff --git a/test/src/server.c b/test/src/server.c
index 3aecf76f0..5af86d96f 100644
--- a/test/src/server.c
+++ b/test/src/server.c
@@ -26,9 +26,10 @@ 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>
+# include <netinet/ip_var.h>
 #endif
 
 #include <netdb.h>
@@ -52,6 +53,7 @@ on all interfaces, unless the option -noipv6 is given. */
 
 #ifndef CS
 # define CS (char *)
+# define CCS (const char *)
 #endif
 
 
@@ -61,6 +63,10 @@ typedef struct line {
   char line[1];
 } line;
 
+typedef unsigned BOOL;
+#define FALSE 0
+#define TRUE  1
+
 
 /*************************************************
 *            SIGALRM handler - crash out         *
@@ -164,7 +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;
@@ -209,6 +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);
   }
@@ -216,6 +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;
@@ -290,7 +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. */
 
@@ -314,6 +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
     }
   }
 
@@ -393,7 +418,6 @@ 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));
@@ -404,7 +428,6 @@ else
           close(listen_socket[i]);
           listen_socket[i] = -1;
           }
-        }
       }
     }
   }
@@ -496,6 +519,11 @@ s = script;
 
 for (count = 0; count < connection_count; count++)
   {
+  struct {
+    int left;
+    BOOL in_use;
+  } content_length = { 0, FALSE };
+
   alarm(timeout);
   if (port <= 0)
     {
@@ -521,8 +549,7 @@ for (count = 0; count < connection_count; count++)
       if (listen_socket[i] > max_socket) max_socket = listen_socket[i];
       }
 
-    lcount = select(max_socket + 1, &select_listen, NULL, NULL, NULL);
-    if (lcount < 0)
+    if ((lcount = select(max_socket + 1, &select_listen, NULL, NULL, NULL)) < 0)
       {
       printf("Select failed\n");
       fflush(stdout);
@@ -531,7 +558,6 @@ for (count = 0; count < connection_count; count++)
 
     accept_socket = -1;
     for (i = 0; i < skn; i++)
-      {
       if (listen_socket[i] > 0 && FD_ISSET(listen_socket[i], &select_listen))
         {
         accept_socket = accept(listen_socket[i],
@@ -539,7 +565,6 @@ for (count = 0; count < connection_count; count++)
         FD_CLR(listen_socket[i], &select_listen);
         break;
         }
-      }
     }
   alarm(0);
 
@@ -572,6 +597,7 @@ for (count = 0; count < connection_count; count++)
               cr.pid, cr.uid, cr.gid);
     --------------*****************/
     }
+  fflush(stdout);
 
   if (dup_accept_socket < 0)
     {
@@ -590,7 +616,7 @@ for (count = 0; count < connection_count; count++)
   doesn't work for other tests (e.g. ident tests) so we have explicit '<' and
   '>' flags for input and output as well as the defaults. */
 
-  for (; s != NULL; s = s->next)
+  for (; s; s = s->next)
     {
     char *ss = s->line;
 
@@ -639,6 +665,38 @@ for (count = 0; count < connection_count; count++)
       sleep(sleepfor);
       }
 
+    /* If the script line starts with "*data " we expect a numeric argument,
+    and we expect to read (and discard) that many data bytes from the input. */
+
+    else if (strncmp(ss, "*data ", 6) == 0)
+      {
+      int dlen = atoi(ss+6);
+      int n;
+
+      alarm(timeout);
+
+      if (!linebuf)
+	while (dlen > 0)
+	  {
+	  n = dlen < sizeof(buffer) ? dlen : sizeof(buffer);
+	  if ((n = read(dup_accept_socket, CS buffer, n)) == 0)
+	    {
+	    printf("Unexpected EOF read from client\n");
+	    s = s->next;
+	    goto END_OFF;
+	    }
+	  dlen -= n;
+	  }
+      else
+	while (dlen-- > 0)
+	  if (fgetc(in) == EOF)
+	    {
+	    printf("Unexpected EOF read from client\n");
+	    s = s->next;
+	    goto END_OFF;
+	    }
+      }
+
     /* Otherwise the script line is the start of an input line we are expecting
     from the client, or "*eof" indicating we expect the client to close the
     connection. Read command line or data lines; the latter are indicated
@@ -676,6 +734,7 @@ for (count = 0; count < connection_count; count++)
 
 	alarm(timeout);
 	n = read(dup_accept_socket, CS buffer+offset, s->len - offset);
+	if (content_length.in_use) content_length.left -= n;
 	if (n == 0)
 	  {
 	  printf("%sxpected EOF read from client\n",
@@ -688,13 +747,14 @@ for (count = 0; count < connection_count; count++)
 	alarm(0);
 	n += offset;
 
-	printit(buffer, n);
+	printit(CS buffer, n);
 
 	if (data) do
 	  {
 	  n = (read(dup_accept_socket, &c, 1) == 1 && c == '.');
+	  if (content_length.in_use) content_length.left--;
 	  while (c != '\n' && read(dup_accept_socket, &c, 1) == 1)
-	    ;
+            if (content_length.in_use) content_length.left--;
 	  } while (!n);
 	else if (memcmp(ss, buffer, n) != 0)
 	  {
@@ -717,7 +777,8 @@ for (count = 0; count < connection_count; count++)
 	    goto END_OFF;
 	    }
 	  alarm(0);
-	  n = (int)strlen(CS buffer);
+	  n = strlen(CS buffer);
+	  if (content_length.in_use) content_length.left -= (n - offset);
 	  while (n > 0 && isspace(buffer[n-1])) n--;
 	  buffer[n] = 0;
 	  printf("%s\n", buffer);
@@ -731,6 +792,11 @@ for (count = 0; count < connection_count; count++)
 	  break;
 	  }
 	}
+
+	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);
       }
     }
 
@@ -741,7 +807,7 @@ for (count = 0; count < connection_count; count++)
 
 if (s == NULL) printf("End of script\n");
 
-if (sockname != NULL) unlink(sockname);
+if (sockname) unlink(sockname);
 exit(0);
 }