Remove no-longer-useful SSL-specific Port.count field.

Since we removed SSL renegotiation, there's no longer any reason to
keep track of the amount of data transferred over the link.

Daniel Gustafsson

Discussion: <FEA7F89C-ECDF-4799-B789-2F8DDCBA467F@yesql.se>

src/backend/libpq/be-secure-openssl.c

@@ -447,8 +447,6 @@ aloop:
 		return -1;
 	}
 
-	port->count = 0;
-
 	/* Get client certificate, if available. */
 	port->peer = SSL_get_peer_certificate(port->ssl);
 
@@ -549,7 +547,7 @@ be_tls_read(Port *port, void *ptr, size_t len, int *waitfor)
 	switch (err)
 	{
 		case SSL_ERROR_NONE:
-			port->count += n;
+			/* a-ok */
 			break;
 		case SSL_ERROR_WANT_READ:
 			*waitfor = WL_SOCKET_READABLE;
@@ -609,7 +607,7 @@ be_tls_write(Port *port, void *ptr, size_t len, int *waitfor)
 	switch (err)
 	{
 		case SSL_ERROR_NONE:
-			port->count += n;
+			/* a-ok */
 			break;
 		case SSL_ERROR_WANT_READ:
 			*waitfor = WL_SOCKET_READABLE;

src/include/libpq/libpq-be.h

@@ -192,7 +192,6 @@ typedef struct Port
 #ifdef USE_OPENSSL
 	SSL		   *ssl;
 	X509	   *peer;
-	unsigned long count;
 #endif
 } Port;