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virglrenderer/vtest/vtest_server.c

468 lines
11 KiB

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