doveadm-server: http: Mark the HTTP request for connection closure ri…

…ght away.

This means that the connection is closed once the request finishes.
Before, each response did that individually.
Once connection reuse is implemented/needed this can now be turned off at one place.

src/doveadm/client-connection-http.c

@@ -689,7 +689,7 @@ doveadm_http_server_read_request_v1(struct client_request_http *req)
 		req->parse_state != CLIENT_REQUEST_PARSE_DONE)) {
 		/* this will happen if the parser above runs into 
 		   unexpected element, but JSON is OK */
-		http_server_request_fail_close(http_sreq,
+		http_server_request_fail(http_sreq,
 			400, "Unexpected element in input");
 		// FIXME: should be returned as error to client, not logged
 		i_info("unexpected element");
@@ -706,7 +706,7 @@ doveadm_http_server_read_request_v1(struct client_request_http *req)
 
 	if (json_parser_deinit(&req->json_parser, &error) != 0) {
 		// istream JSON parsing failures do not count as errors
-		http_server_request_fail_close(http_sreq,
+		http_server_request_fail(http_sreq,
 			400, "Invalid JSON input");
 		// FIXME: should be returned as error to client, not logged
 		i_info("JSON parse error: %s", error);
@@ -817,7 +817,7 @@ doveadm_http_server_options_handler(struct client_request_http *req)
 	http_server_response_add_header(http_resp,
 		"Access-Control-Allow-Headers",
 		"Content-Type, WWW-Authenticate");
-	http_server_response_submit_close(http_resp);
+	http_server_response_submit(http_resp);
 }
 
 static void
@@ -865,7 +865,7 @@ static void doveadm_http_server_send_response(struct client_request_http *req)
 			i_info("error writing output: %s",
 			       o_stream_get_error(req->output));
 			o_stream_destroy(&req->output);
-			http_server_request_fail_close(http_sreq,
+			http_server_request_fail(http_sreq,
 				500, "Internal server error");
 			return;
 		}
@@ -883,7 +883,7 @@ static void doveadm_http_server_send_response(struct client_request_http *req)
 		i_stream_unref(&payload);
 	}
 
-	http_server_response_submit_close(http_resp);
+	http_server_response_submit(http_resp);
 }
 
 static void
@@ -1013,7 +1013,7 @@ doveadm_http_server_authorize_request(struct client_request_http *req)
 	/* no authentication specified */
 	if (doveadm_settings->doveadm_api_key[0] == '\0' &&
 		*conn->conn.set->doveadm_password == '\0') {
-		http_server_request_fail_close(http_sreq,
+		http_server_request_fail(http_sreq,
 			500, "Internal Server Error");
 		i_error("No authentication defined in configuration. "
 			"Add API key or password");
@@ -1036,7 +1036,7 @@ doveadm_http_server_authorize_request(struct client_request_http *req)
 				"WWW-Authenticate", "Basic Realm=\"doveadm\""
 			);
 		}
-		http_server_response_submit_close(http_resp);
+		http_server_response_submit(http_resp);
 	}
 	return auth;
 }
@@ -1064,6 +1064,7 @@ doveadm_http_server_handle_request(void *context,
 	req->http_request = http_sreq;
 	http_server_request_ref(req->http_request);
 
+	http_server_request_connection_close(http_sreq, TRUE);
 	http_server_request_set_destroy_callback(http_sreq,
 		doveadm_http_server_request_destroy, req);
 
@@ -1083,7 +1084,7 @@ doveadm_http_server_handle_request(void *context,
 	}
 
 	if (ep == NULL) {
-		http_server_request_fail_close(http_sreq,
+		http_server_request_fail(http_sreq,
 			404, "Path Not Found");
 		return;
 	}