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520 lines
12 KiB
520 lines
12 KiB
/**************************************************************************
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*
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* Copyright (C) 2015 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include <stdio.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <sys/un.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <string.h>
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#include "util.h"
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#include "util/u_memory.h"
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#include "vtest.h"
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#include "vtest_protocol.h"
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#include "virglrenderer.h"
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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struct vtest_client
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{
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int in_fd;
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int out_fd;
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struct vtest_input input;
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struct vtest_context *context;
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};
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struct vtest_server
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{
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const char *socket_name;
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int socket;
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const char *read_file;
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const char *render_device;
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bool main_server;
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bool do_fork;
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bool loop;
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bool use_glx;
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bool use_egl_surfaceless;
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bool use_gles;
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int ctx_flags;
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struct vtest_client client;
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};
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struct vtest_server server = {
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.socket_name = VTEST_DEFAULT_SOCKET_NAME,
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.socket = -1,
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.read_file = NULL,
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.render_device = 0,
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.main_server = true,
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.do_fork = true,
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.loop = true,
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.ctx_flags = 0,
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.client = {
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.in_fd = -1,
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.out_fd = -1,
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.input = { { -1 }, NULL },
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.context = NULL,
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},
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};
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static void vtest_server_getenv(void);
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static void vtest_server_parse_args(int argc, char **argv);
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static void vtest_server_set_signal_child(void);
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static void vtest_server_set_signal_segv(void);
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static void vtest_server_open_read_file(void);
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static void vtest_server_open_socket(void);
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static void vtest_server_run_renderer(struct vtest_client *client);
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static void vtest_server_wait_for_socket_accept(void);
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static void vtest_server_tidy_fds(void);
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static void vtest_server_close_socket(void);
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static int vtest_client_dispatch_commands(struct vtest_client *client);
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int main(int argc, char **argv)
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{
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#ifdef __AFL_LOOP
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while (__AFL_LOOP(1000)) {
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#endif
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vtest_server_getenv();
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vtest_server_parse_args(argc, argv);
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if (server.read_file != NULL) {
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vtest_server_open_read_file();
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goto start;
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}
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if (server.do_fork) {
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vtest_server_set_signal_child();
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} else {
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vtest_server_set_signal_segv();
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}
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vtest_server_open_socket();
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restart:
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vtest_server_wait_for_socket_accept();
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start:
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vtest_server_run_renderer(&server.client);
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vtest_server_tidy_fds();
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if (server.loop) {
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goto restart;
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}
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vtest_server_close_socket();
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#ifdef __AFL_LOOP
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if (!server.main_server) {
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exit(0);
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}
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}
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#endif
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}
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#define OPT_NO_FORK 'f'
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#define OPT_NO_LOOP_OR_FORK 'l'
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#define OPT_USE_GLX 'x'
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#define OPT_USE_EGL_SURFACELESS 's'
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#define OPT_USE_GLES 'e'
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#define OPT_RENDERNODE 'r'
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static void vtest_server_parse_args(int argc, char **argv)
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{
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int ret;
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static struct option long_options[] = {
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{"no-fork", no_argument, NULL, OPT_NO_FORK},
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{"no-loop-or-fork", no_argument, NULL, OPT_NO_LOOP_OR_FORK},
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{"use-glx", no_argument, NULL, OPT_USE_GLX},
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{"use-egl-surfaceless", no_argument, NULL, OPT_USE_EGL_SURFACELESS},
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{"use-gles", no_argument, NULL, OPT_USE_GLES},
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{"rendernode", required_argument, NULL, OPT_RENDERNODE},
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{0, 0, 0, 0}
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};
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/* getopt_long stores the option index here. */
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int option_index = 0;
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do {
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ret = getopt_long(argc, argv, "", long_options, &option_index);
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switch (ret) {
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case -1:
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break;
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case OPT_NO_FORK:
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server.do_fork = false;
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break;
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case OPT_NO_LOOP_OR_FORK:
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server.do_fork = false;
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server.loop = false;
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break;
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case OPT_USE_GLX:
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server.use_glx = true;
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break;
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case OPT_USE_EGL_SURFACELESS:
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server.use_egl_surfaceless = true;
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break;
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case OPT_USE_GLES:
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server.use_gles = true;
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break;
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case OPT_RENDERNODE:
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server.render_device = optarg;
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break;
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default:
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printf("Usage: %s [--no-fork] [--no-loop-or-fork] [--use-glx] "
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"[--use-egl-surfaceless] [--use-gles] [--rendernode <dev>]"
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" [file]\n", argv[0]);
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exit(EXIT_FAILURE);
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break;
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}
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} while (ret >= 0);
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if (optind < argc) {
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server.read_file = argv[optind];
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server.loop = false;
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server.do_fork = false;
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}
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server.ctx_flags = VIRGL_RENDERER_USE_EGL;
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if (server.use_glx) {
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if (server.use_egl_surfaceless || server.use_gles) {
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fprintf(stderr, "Cannot use surfaceless or GLES with GLX.\n");
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exit(EXIT_FAILURE);
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}
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server.ctx_flags = VIRGL_RENDERER_USE_GLX;
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} else {
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if (server.use_egl_surfaceless)
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server.ctx_flags |= VIRGL_RENDERER_USE_SURFACELESS;
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if (server.use_gles)
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server.ctx_flags |= VIRGL_RENDERER_USE_GLES;
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}
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}
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static void vtest_server_getenv(void)
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{
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server.use_glx = getenv("VTEST_USE_GLX") != NULL;
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server.use_egl_surfaceless = getenv("VTEST_USE_EGL_SURFACELESS") != NULL;
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server.use_gles = getenv("VTEST_USE_GLES") != NULL;
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server.render_device = getenv("VTEST_RENDERNODE");
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}
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static void handler(int sig, siginfo_t *si, void *unused)
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{
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(void)sig; (void)si, (void)unused;
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printf("SIGSEGV!\n");
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exit(EXIT_FAILURE);
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}
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static void vtest_server_set_signal_child(void)
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{
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struct sigaction sa;
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int ret;
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memset(&sa, 0, sizeof(sa));
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sigemptyset(&sa.sa_mask);
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sa.sa_handler = SIG_IGN;
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sa.sa_flags = 0;
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ret = sigaction(SIGCHLD, &sa, NULL);
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if (ret == -1) {
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perror("Failed to set SIGCHLD");
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exit(1);
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}
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}
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static void vtest_server_set_signal_segv(void)
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{
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struct sigaction sa;
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int ret;
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memset(&sa, 0, sizeof(sa));
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_SIGINFO;
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sa.sa_sigaction = handler;
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ret = sigaction(SIGSEGV, &sa, NULL);
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if (ret == -1) {
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perror("Failed to set SIGSEGV");
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exit(1);
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}
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}
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static void vtest_server_open_read_file(void)
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{
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struct vtest_client *client = &server.client;
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int ret;
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ret = open(server.read_file, O_RDONLY);
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if (ret == -1) {
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perror(NULL);
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exit(1);
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}
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client->in_fd = ret;
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client->input.data.fd = client->in_fd;
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client->input.read = vtest_block_read;
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ret = open("/dev/null", O_WRONLY);
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if (ret == -1) {
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perror(NULL);
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exit(1);
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}
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client->out_fd = ret;
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}
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static void vtest_server_open_socket(void)
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{
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struct sockaddr_un un;
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server.socket = socket(PF_UNIX, SOCK_STREAM, 0);
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if (server.socket < 0) {
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goto err;
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}
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memset(&un, 0, sizeof(un));
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un.sun_family = AF_UNIX;
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snprintf(un.sun_path, sizeof(un.sun_path), "%s", server.socket_name);
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unlink(un.sun_path);
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if (bind(server.socket, (struct sockaddr *)&un, sizeof(un)) < 0) {
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goto err;
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}
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if (listen(server.socket, 1) < 0){
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goto err;
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}
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return;
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err:
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perror("Failed to setup socket.");
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exit(1);
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}
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static void vtest_server_wait_for_socket_accept(void)
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{
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struct vtest_client *client = &server.client;
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fd_set read_fds;
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int new_fd;
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int ret;
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FD_ZERO(&read_fds);
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FD_SET(server.socket, &read_fds);
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ret = select(server.socket + 1, &read_fds, NULL, NULL, NULL);
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if (ret < 0) {
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perror("Failed to select on socket!");
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exit(1);
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}
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if (!FD_ISSET(server.socket, &read_fds)) {
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perror("Odd state in fd_set.");
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exit(1);
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}
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new_fd = accept(server.socket, NULL, NULL);
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if (new_fd < 0) {
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perror("Failed to accept socket.");
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exit(1);
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}
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client->in_fd = new_fd;
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client->out_fd = new_fd;
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client->input.data.fd = client->in_fd;
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client->input.read = vtest_block_read;
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}
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static pid_t vtest_server_fork(void)
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{
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pid_t pid = fork();
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if (pid == 0) {
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/* child */
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vtest_server_set_signal_segv();
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server.main_server = false;
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server.do_fork = false;
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server.loop = false;
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}
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return pid;
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}
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static void vtest_server_run_renderer(struct vtest_client *client)
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{
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int err, ret;
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if (server.do_fork) {
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if (vtest_server_fork()) {
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/* parent */
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return;
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}
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}
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ret = vtest_init_renderer(server.ctx_flags, server.render_device);
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if (ret) {
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return;
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}
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do {
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ret = vtest_wait_for_fd_read(client->in_fd);
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if (ret < 0) {
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err = 1;
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break;
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}
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err = vtest_client_dispatch_commands(client);
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if (err) {
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break;
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}
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} while (1);
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fprintf(stderr, "socket failed (%d) - closing renderer\n", err);
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if (client->context) {
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vtest_destroy_context(client->context);
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client->context = NULL;
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}
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vtest_cleanup_renderer();
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}
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typedef int (*vtest_cmd_fptr_t)(uint32_t);
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static const vtest_cmd_fptr_t vtest_commands[] = {
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NULL /* CMD ids starts at 1 */,
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vtest_send_caps,
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vtest_create_resource,
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vtest_resource_unref,
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vtest_transfer_get,
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vtest_transfer_put,
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vtest_submit_cmd,
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vtest_resource_busy_wait,
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NULL, /* VCMD_CREATE_RENDERER is a specific case */
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vtest_send_caps2,
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vtest_ping_protocol_version,
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vtest_protocol_version,
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vtest_create_resource2,
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vtest_transfer_get2,
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vtest_transfer_put2,
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};
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static int vtest_client_dispatch_commands(struct vtest_client *client)
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{
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int ret;
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uint32_t header[VTEST_HDR_SIZE];
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ret = client->input.read(&client->input, &header, sizeof(header));
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if (ret < 0 || (size_t)ret < sizeof(header)) {
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return 2;
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}
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if (!client->context) {
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/* The first command MUST be VCMD_CREATE_RENDERER */
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if (header[1] != VCMD_CREATE_RENDERER) {
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return 3;
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}
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ret = vtest_create_context(&client->input, client->out_fd,
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header[0], &client->context);
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if (ret < 0) {
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return 4;
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}
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printf("%s: client context created.\n", __func__);
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vtest_set_current_context(client->context);
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vtest_poll();
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return 0;
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}
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vtest_poll();
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if (header[1] <= 0 || header[1] >= ARRAY_SIZE(vtest_commands)) {
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return 5;
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}
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if (vtest_commands[header[1]] == NULL) {
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return 6;
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}
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ret = vtest_commands[header[1]](header[0]);
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if (ret < 0) {
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return 7;
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}
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/* GL draws are fenced, while possible fence creations are too */
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if (header[1] == VCMD_SUBMIT_CMD || header[1] == VCMD_RESOURCE_CREATE ||
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header[1] == VCMD_RESOURCE_CREATE2)
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vtest_renderer_create_fence();
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return 0;
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}
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static void vtest_server_tidy_fds(void)
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{
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struct vtest_client *client = &server.client;
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// out_fd will be closed by the in_fd clause if they are the same.
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if (client->out_fd == client->in_fd) {
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client->out_fd = -1;
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}
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if (client->in_fd != -1) {
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close(client->in_fd);
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client->in_fd = -1;
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client->input.read = NULL;
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}
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if (client->out_fd != -1) {
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close(client->out_fd);
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client->out_fd = -1;
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}
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}
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static void vtest_server_close_socket(void)
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{
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if (server.socket != -1) {
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close(server.socket);
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server.socket = -1;
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}
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}
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