304f2eaf38
Provides file-system compatible to libc socket-fs requirements. This includes pseudo file for network configuration.
272 lines
5.4 KiB
C++
272 lines
5.4 KiB
C++
/*
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* \brief Simple test for lxip VFS plugin
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* \author Emery Hemingway
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* \author Josef Söntgen
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* \author Christian Helmuth
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* \date 2016-10-17
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*/
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/*
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* Copyright (C) 2016-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <dirent.h>
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static void ls_socket_fs(char const *path, bool top = true)
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{
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if (top)
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printf("recursive listing of %s:\n", path);
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DIR *dp = opendir(path);
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if (dp == NULL) {
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perror("opendir");
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abort();
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}
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struct dirent *dent = NULL;
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while ((dent = readdir(dp))) {
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int d = dent->d_type == DT_DIR;
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printf(" %s %s/%s\n", d ? "d" : "f", path, dent->d_name);
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if (d) {
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char subdir[128];
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snprintf(subdir, sizeof(subdir), "%s/%s", path, dent->d_name);
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ls_socket_fs(subdir, false);
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}
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}
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closedir(dp);
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}
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static int remove_sock_dir(char const *sock_root, char const *sock_fd)
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{
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char sock_dir[64];
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snprintf(sock_dir, sizeof(sock_dir), "%s/%s", sock_root, sock_fd);
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return unlink(sock_dir);
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}
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static int recv_client(char const *sock_root, char const *sock_fd)
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{
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char sock_data[96];
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snprintf(sock_data, sizeof(sock_data), "%s/%s/data", sock_root, sock_fd);
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int fd = open(sock_data, O_RDONLY);
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if (fd == -1) {
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perror("open");
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return -1;
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}
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char dst;
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ssize_t n = read(fd, &dst, 1);
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printf("receiving data from client %s\n",
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n > 0 ? "successful" : "failed");
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close(fd);
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return 0;
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}
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static int send_client(char const *sock_root, char const *sock_fd,
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char const *src, size_t len)
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{
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char sock_data[96];
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snprintf(sock_data, sizeof(sock_data), "%s/%s/data", sock_root, sock_fd);
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int fd = open(sock_data, O_WRONLY);
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if (fd == -1) {
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perror("open");
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return -1;
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}
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ssize_t n = write(fd, src, len);
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printf("sending data to client %s\n",
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n > 0 && (size_t)n == len ? "successful" : "failed");
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close(fd);
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return 0;
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}
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static void sock_info(char const *sock_root, char const *sock_fd)
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{
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size_t n;
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char local[96];
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snprintf(local, sizeof(local), "%s/%s/local", sock_root, sock_fd);
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int fdl = open(local, O_RDONLY);
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if (fdl == -1) {
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perror("open");
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return;
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}
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n = read(fdl, local, sizeof(local));
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local[n-1] = '\0';
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printf("local: %s\n", local);
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close(fdl);
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char remote[96];
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snprintf(remote, sizeof(remote), "%s/%s/remote", sock_root, sock_fd);
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int fdr = open(remote, O_RDONLY);
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if (fdr == -1) {
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perror("open");
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return;
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}
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n = read(fdr, remote, sizeof(remote));
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remote[n-1] = '\0';
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printf("remote: %s\n", remote);
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close(fdr);
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}
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static int test_bind_accept(char const *sock_root, char const *sock_fd)
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{
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ssize_t n;
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/* bind */
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char sock_bind[96];
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snprintf(sock_bind, sizeof(sock_bind), "%s/%s/bind", sock_root, sock_fd);
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int fdb = open(sock_bind, O_RDWR);
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if (fdb == -1) {
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perror("open");
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return -1;
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}
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char addr[] = "0.0.0.0:80";
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n = write(fdb, addr, sizeof(addr));
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printf("binding to: %s %s\n", addr, n > 0 ? "success" : "failed");
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close(fdb);
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char sock_listen[96];
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snprintf(sock_listen, sizeof(sock_listen), "%s/%s/listen", sock_root, sock_fd);
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int fdl = open(sock_listen, O_RDWR);
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if (fdl == -1) {
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perror("open");
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return -1;
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}
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char backlog[] = "5";
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n = write(fdl, backlog, sizeof(backlog));
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printf("listen backlog: %s %s\n", backlog, n > 0 ? "success" : "failed");
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close(fdl);
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/* accept */
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int res = 0;
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while (1) {
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char sock_accept[96];
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snprintf(sock_accept, sizeof(sock_accept), "%s/%s/accept", sock_root, sock_fd);
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ls_socket_fs(sock_root);
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int fda = open(sock_accept, O_RDWR);
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if (fda == -1) {
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perror("open");
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res = -1;
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break;
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}
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char client_fd[8] = { 0 };
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res = read(fda, client_fd, sizeof(client_fd));
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close(fda);
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if (res < 0) break;
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else if (res == 0) continue;
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client_fd[res-1] = '\0';
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printf("accept socket: %s\n", client_fd);
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sock_info(sock_root, client_fd);
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char hello[] = "hello w0rld!\n";
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recv_client(sock_root, client_fd);
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send_client(sock_root, client_fd, hello, sizeof(hello));
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remove_sock_dir(sock_root, client_fd);
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}
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return res;
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}
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static int test_connect_recv(char const *sock_root, char const *sock_fd)
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{
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char sock_connect[96];
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snprintf(sock_connect, sizeof(sock_connect), "%s/%s/connect", sock_root, sock_fd);
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int fd = open(sock_connect, O_RDWR);
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if (fd == -1) {
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perror("open");
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return -1;
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}
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char host[] = "10.0.2.1:80";
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ssize_t n = write(fd, host, sizeof(host));
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(void)n;
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close(fd);
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}
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static void test_proto(char const *sock_root, char const *proto)
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{
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char proto_root[64];
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snprintf(proto_root, sizeof(proto_root), "%s/%s", sock_root, proto);
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ls_socket_fs(proto_root);
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char new_socket_path[64];
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snprintf(new_socket_path, sizeof(new_socket_path), "%s/new_socket", proto_root);
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int fd = open(new_socket_path, O_RDONLY);
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if (fd == -1) {
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perror("open");
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abort();
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}
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char sock_path[16];
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size_t n = read(fd, sock_path, sizeof(sock_path));
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sock_path[n-1] = '\0';
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close(fd);
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ls_socket_fs(proto_root);
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char sock_dir[64];
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snprintf(sock_dir, sizeof(sock_dir), "%s/%s", sock_root, sock_path);
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ls_socket_fs(sock_dir);
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test_bind_accept(sock_root, sock_path);
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// test_connect_recv(proto_root, sock_fd);
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ls_socket_fs(sock_dir);
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remove_sock_dir(sock_root, sock_path);
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}
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int main()
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{
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char const *socket_fs = "/socket";
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ls_socket_fs(socket_fs);
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test_proto(socket_fs, "tcp");
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test_proto(socket_fs, "udp");
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ls_socket_fs(socket_fs);
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}
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