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 [182.2.38.99]) by gnuweeb.org (Postfix) with ESMTPSA id 75AFC809E3; Fri, 2 Sep 2022 01:18:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1662081506; bh=Ii1/yIkdI8+/V8GiQ7qvrlnDqibwbsbmeRg5PHi8pwA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hKoFoRzkEgzDwkdQLFJrF96Oh4CJyeZ6gkThknDOzamUha9XeyejAac6+3+Rk+7dt iG+r/9PF55R8xFzmlhDsDnv/YIF73O97DibDE3uvhjpo3zex68DOqVjPyCgxd8DcIO kG2bTEx101p3OcllCYNIEMBs4V/Xsy5cqUvostIcrp38XJuaVqhDmpH8wO9v2bVLRR F5LU6Tj8lze0RQXnFEQCBbYPD9FvScS8isasVLD7XIilEzE58kK+5cE2NaWmC9lCUS 00xcBjyzA6ALaVUlWKw2j09+PpQPuQSwp86widvVeVwRu2KWy+/jNK/XJI7FfQ8F1K hs+h3azFBlf9g== 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 Subject: [RESEND PATCH liburing v1 07/12] t/socket: Don't use a static port number Date: Fri, 2 Sep 2022 08:17:47 +0700 Message-Id: <20220902011548.2506938-8-ammar.faizi@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220902011548.2506938-1-ammar.faizi@intel.com> References: <20220902011548.2506938-1-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 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 @@ -2,63 +2,63 @@ /* * Simple test case using the socket op */ #include #include #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; } use_fd = 0; } else { use_fd = sockfd; } @@ -235,27 +235,28 @@ static int do_send(int socket_direct, int alloc) fprintf(stderr, "queue init failed: %d\n", ret); return 1; } if (socket_direct) { 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; io_uring_prep_socket_direct(sqe, AF_INET, SOCK_DGRAM, 0, file_index, 0); } else { io_uring_prep_socket(sqe, AF_INET, SOCK_DGRAM, 0, 0); } -- Ammar Faizi