From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on gnuweeb.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=ALL_TRUSTED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NO_DNS_FOR_FROM,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 Received: from localhost.localdomain (unknown [182.2.70.226]) by gnuweeb.org (Postfix) with ESMTPSA id 7F64980C52; Fri, 2 Sep 2022 07:15:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1662102957; bh=75xduiH5BRYatK1HW5Otf59KSLOr3on+y2lVgrCwD64=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T7goCI6SlBrm/d+n5cXS3khvSU/ClX9l8s8UvVrj49Yw1Y/bB9Sg1t7AUHfWeaVen JHhbEAZotzetmUTK0sBHBUZ/TIvoGcDMXi/AJGm1JppuxlgBUgwOhbRa1NxwZcsqQo 6uQdL032ff0QyYBtGc1GGIetG8CQKtY4M9jg9JcegOCYz35KgqTbpJyEO25DkZS71b FnwD2fx7x/eaNXus2FRSR4PBcgqfmNQGHaHynoCPqfWX8L5R3qqxif0e5UmEp329ni 5bgiYMMYWwa0xxECtYRE/3H2llHhfa43fCaNuu4hJPMIDM+KYsP5gz7quZKH3lCh0D fe8FFDIvQ351Q== From: Ammar Faizi To: Jens Axboe Cc: Ammar Faizi , Dylan Yudaken , Facebook Kernel Team , Pavel Begunkov , io-uring Mailing List , GNU/Weeb Mailing List , Kanna Scarlet , Muhammad Rizki , Alviro Iskandar Setiawan Subject: [PATCH liburing v2 07/12] t/socket: Don't use a static port number Date: Fri, 2 Sep 2022 14:15:00 +0700 Message-Id: <20220902071153.3168814-8-ammar.faizi@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220902071153.3168814-1-ammar.faizi@intel.com> References: <20220902071153.3168814-1-ammar.faizi@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: From: Ammar Faizi Don't use a static port number. It might already be in use, resulting in a test failure. Use an ephemeral port to make this test reliable. Cc: Dylan Yudaken Cc: Facebook Kernel Team Cc: Pavel Begunkov Reviewed-by: Alviro Iskandar Setiawan Tested-by: Alviro Iskandar Setiawan Signed-off-by: Ammar Faizi --- test/socket.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/test/socket.c b/test/socket.c index 6a3ea09..94c8e9f 100644 --- a/test/socket.c +++ b/test/socket.c @@ -7,53 +7,53 @@ #include #include #include #include #include #include #include +#include #include "liburing.h" #include "helpers.h" static char str[] = "This is a test of send and recv over io_uring!"; #define MAX_MSG 128 -#define PORT 10202 #define HOST "127.0.0.1" static int no_socket; +static __be32 g_port; static int recv_prep(struct io_uring *ring, struct iovec *iov, int *sock, int registerfiles) { struct sockaddr_in saddr; struct io_uring_sqe *sqe; int sockfd, ret, val, use_fd; memset(&saddr, 0, sizeof(saddr)); saddr.sin_family = AF_INET; saddr.sin_addr.s_addr = htonl(INADDR_ANY); - saddr.sin_port = htons(PORT); sockfd = socket(AF_INET, SOCK_DGRAM, 0); if (sockfd < 0) { perror("socket"); return 1; } val = 1; setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)); - ret = bind(sockfd, (struct sockaddr *)&saddr, sizeof(saddr)); - if (ret < 0) { + if (t_bind_ephemeral_port(sockfd, &saddr)) { perror("bind"); goto err; } + g_port = saddr.sin_port; if (registerfiles) { ret = io_uring_register_files(ring, &sockfd, 1); if (ret) { fprintf(stderr, "file reg failed\n"); goto err; } @@ -240,17 +240,18 @@ static int do_send(int socket_direct, int alloc) ret = io_uring_register_files(&ring, &fd, 1); if (ret) { fprintf(stderr, "file register %d\n", ret); return 1; } } + assert(g_port != 0); memset(&saddr, 0, sizeof(saddr)); saddr.sin_family = AF_INET; - saddr.sin_port = htons(PORT); + saddr.sin_port = g_port; inet_pton(AF_INET, HOST, &saddr.sin_addr); sqe = io_uring_get_sqe(&ring); if (socket_direct) { unsigned file_index = 0; if (alloc) file_index = IORING_FILE_INDEX_ALLOC - 1; -- Ammar Faizi