384055c86f
when godot could be found in PATH. The correct fix is to use sysctl to get the path to the current executable this also fixes the ability to call external commands.
534 lines
14 KiB
C++
534 lines
14 KiB
C++
/*************************************************************************/
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/* os_unix.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included 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, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "os_unix.h"
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#ifdef UNIX_ENABLED
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#include "servers/visual_server.h"
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#include "core/os/thread_dummy.h"
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#include "mutex_posix.h"
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#include "rw_lock_posix.h"
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#include "semaphore_posix.h"
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#include "thread_posix.h"
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//#include "core/io/file_access_buffered_fa.h"
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#include "dir_access_unix.h"
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#include "file_access_unix.h"
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#include "packet_peer_udp_posix.h"
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#include "stream_peer_tcp_posix.h"
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#include "tcp_server_posix.h"
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#ifdef __APPLE__
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#include <mach-o/dyld.h>
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#endif
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#if defined(__FreeBSD__) || defined(__OpenBSD__)
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#endif
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#include "project_settings.h"
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#include <assert.h>
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#include <dlfcn.h>
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#include <errno.h>
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#include <poll.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <unistd.h>
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void OS_Unix::debug_break() {
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assert(false);
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};
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int OS_Unix::get_audio_driver_count() const {
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return 1;
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}
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const char *OS_Unix::get_audio_driver_name(int p_driver) const {
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return "dummy";
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}
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int OS_Unix::unix_initialize_audio(int p_audio_driver) {
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return 0;
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}
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// Very simple signal handler to reap processes where ::execute was called with
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// !p_blocking
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void handle_sigchld(int sig) {
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int saved_errno = errno;
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while (waitpid((pid_t)(-1), 0, WNOHANG) > 0) {
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}
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errno = saved_errno;
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}
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void OS_Unix::initialize_core() {
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#ifdef NO_PTHREADS
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ThreadDummy::make_default();
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SemaphoreDummy::make_default();
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MutexDummy::make_default();
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#else
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ThreadPosix::make_default();
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SemaphorePosix::make_default();
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MutexPosix::make_default();
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RWLockPosix::make_default();
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#endif
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FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES);
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FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA);
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FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_FILESYSTEM);
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//FileAccessBufferedFA<FileAccessUnix>::make_default();
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DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_RESOURCES);
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DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_USERDATA);
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DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_FILESYSTEM);
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#ifndef NO_NETWORK
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TCPServerPosix::make_default();
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StreamPeerTCPPosix::make_default();
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PacketPeerUDPPosix::make_default();
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IP_Unix::make_default();
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#endif
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ticks_start = 0;
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ticks_start = get_ticks_usec();
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struct sigaction sa;
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sa.sa_handler = &handle_sigchld;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_RESTART | SA_NOCLDSTOP;
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if (sigaction(SIGCHLD, &sa, 0) == -1) {
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perror("ERROR sigaction() failed:");
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}
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}
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void OS_Unix::finalize_core() {
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}
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void OS_Unix::alert(const String &p_alert, const String &p_title) {
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fprintf(stderr, "ERROR: %s\n", p_alert.utf8().get_data());
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}
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String OS_Unix::get_stdin_string(bool p_block) {
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if (p_block) {
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char buff[1024];
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String ret = stdin_buf + fgets(buff, 1024, stdin);
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stdin_buf = "";
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return ret;
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}
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return "";
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}
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String OS_Unix::get_name() {
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return "Unix";
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}
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uint64_t OS_Unix::get_unix_time() const {
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return time(NULL);
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};
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uint64_t OS_Unix::get_system_time_secs() const {
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struct timeval tv_now;
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gettimeofday(&tv_now, NULL);
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return uint64_t(tv_now.tv_sec);
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}
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OS::Date OS_Unix::get_date(bool utc) const {
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time_t t = time(NULL);
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struct tm *lt;
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if (utc)
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lt = gmtime(&t);
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else
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lt = localtime(&t);
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Date ret;
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ret.year = 1900 + lt->tm_year;
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// Index starting at 1 to match OS_Unix::get_date
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// and Windows SYSTEMTIME and tm_mon follows the typical structure
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// of 0-11, noted here: http://www.cplusplus.com/reference/ctime/tm/
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ret.month = (Month)(lt->tm_mon + 1);
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ret.day = lt->tm_mday;
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ret.weekday = (Weekday)lt->tm_wday;
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ret.dst = lt->tm_isdst;
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return ret;
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}
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OS::Time OS_Unix::get_time(bool utc) const {
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time_t t = time(NULL);
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struct tm *lt;
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if (utc)
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lt = gmtime(&t);
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else
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lt = localtime(&t);
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Time ret;
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ret.hour = lt->tm_hour;
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ret.min = lt->tm_min;
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ret.sec = lt->tm_sec;
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get_time_zone_info();
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return ret;
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}
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OS::TimeZoneInfo OS_Unix::get_time_zone_info() const {
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time_t t = time(NULL);
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struct tm *lt = localtime(&t);
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char name[16];
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strftime(name, 16, "%Z", lt);
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name[15] = 0;
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TimeZoneInfo ret;
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ret.name = name;
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char bias_buf[16];
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strftime(bias_buf, 16, "%z", lt);
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int bias;
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bias_buf[15] = 0;
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sscanf(bias_buf, "%d", &bias);
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// convert from ISO 8601 (1 minute=1, 1 hour=100) to minutes
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int hour = (int)bias / 100;
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int minutes = bias % 100;
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if (bias < 0)
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ret.bias = hour * 60 - minutes;
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else
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ret.bias = hour * 60 + minutes;
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return ret;
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}
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void OS_Unix::delay_usec(uint32_t p_usec) const {
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struct timespec rem = { p_usec / 1000000, (p_usec % 1000000) * 1000 };
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while (nanosleep(&rem, &rem) == EINTR) {
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}
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}
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uint64_t OS_Unix::get_ticks_usec() const {
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struct timeval tv_now;
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gettimeofday(&tv_now, NULL);
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uint64_t longtime = (uint64_t)tv_now.tv_usec + (uint64_t)tv_now.tv_sec * 1000000L;
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longtime -= ticks_start;
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return longtime;
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}
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Error OS_Unix::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr) {
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if (p_blocking && r_pipe) {
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String argss;
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argss = "\"" + p_path + "\"";
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for (int i = 0; i < p_arguments.size(); i++) {
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argss += String(" \"") + p_arguments[i] + "\"";
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}
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if (read_stderr) {
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argss += " 2>&1"; // Read stderr too
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} else {
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argss += " 2>/dev/null"; //silence stderr
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}
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FILE *f = popen(argss.utf8().get_data(), "r");
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ERR_FAIL_COND_V(!f, ERR_CANT_OPEN);
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char buf[65535];
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while (fgets(buf, 65535, f)) {
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(*r_pipe) += buf;
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}
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int rv = pclose(f);
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if (r_exitcode)
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*r_exitcode = rv;
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return OK;
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}
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pid_t pid = fork();
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ERR_FAIL_COND_V(pid < 0, ERR_CANT_FORK);
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if (pid == 0) {
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// is child
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Vector<CharString> cs;
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cs.push_back(p_path.utf8());
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for (int i = 0; i < p_arguments.size(); i++)
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cs.push_back(p_arguments[i].utf8());
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Vector<char *> args;
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for (int i = 0; i < cs.size(); i++)
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args.push_back((char *)cs[i].get_data()); // shitty C cast
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args.push_back(0);
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execvp(p_path.utf8().get_data(), &args[0]);
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// still alive? something failed..
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fprintf(stderr, "**ERROR** OS_Unix::execute - Could not create child process while executing: %s\n", p_path.utf8().get_data());
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abort();
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}
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if (p_blocking) {
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int status;
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waitpid(pid, &status, 0);
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if (r_exitcode)
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*r_exitcode = WEXITSTATUS(status);
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} else {
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if (r_child_id)
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*r_child_id = pid;
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}
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return OK;
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}
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Error OS_Unix::kill(const ProcessID &p_pid) {
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int ret = ::kill(p_pid, SIGKILL);
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if (!ret) {
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//avoid zombie process
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int st;
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::waitpid(p_pid, &st, 0);
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}
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return ret ? ERR_INVALID_PARAMETER : OK;
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}
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int OS_Unix::get_process_id() const {
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return getpid();
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};
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bool OS_Unix::has_environment(const String &p_var) const {
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return getenv(p_var.utf8().get_data()) != NULL;
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}
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String OS_Unix::get_locale() const {
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if (!has_environment("LANG"))
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return "en";
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String locale = get_environment("LANG");
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int tp = locale.find(".");
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if (tp != -1)
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locale = locale.substr(0, tp);
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return locale;
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}
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Error OS_Unix::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
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String path = p_path;
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if (!FileAccess::exists(path)) {
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//this code exists so gdnative can load .so files from within the executable path
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path = get_executable_path().get_base_dir().plus_file(p_path.get_file());
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}
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if (!FileAccess::exists(path)) {
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//this code exists so gdnative can load .so files from a standard unix location
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path = get_executable_path().get_base_dir().plus_file("../lib").plus_file(p_path.get_file());
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}
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p_library_handle = dlopen(path.utf8().get_data(), RTLD_NOW);
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if (!p_library_handle) {
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ERR_EXPLAIN("Can't open dynamic library: " + p_path + ". Error: " + dlerror());
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ERR_FAIL_V(ERR_CANT_OPEN);
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}
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return OK;
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}
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Error OS_Unix::close_dynamic_library(void *p_library_handle) {
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if (dlclose(p_library_handle)) {
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return FAILED;
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}
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return OK;
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}
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Error OS_Unix::get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional) {
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const char *error;
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dlerror(); // Clear existing errors
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p_symbol_handle = dlsym(p_library_handle, p_name.utf8().get_data());
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error = dlerror();
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if (error != NULL) {
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if (!p_optional) {
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ERR_EXPLAIN("Can't resolve symbol " + p_name + ". Error: " + error);
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ERR_FAIL_V(ERR_CANT_RESOLVE);
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} else {
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return ERR_CANT_RESOLVE;
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}
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}
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return OK;
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}
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Error OS_Unix::set_cwd(const String &p_cwd) {
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if (chdir(p_cwd.utf8().get_data()) != 0)
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return ERR_CANT_OPEN;
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return OK;
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}
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String OS_Unix::get_environment(const String &p_var) const {
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if (getenv(p_var.utf8().get_data()))
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return getenv(p_var.utf8().get_data());
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return "";
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}
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int OS_Unix::get_processor_count() const {
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return sysconf(_SC_NPROCESSORS_CONF);
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}
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String OS_Unix::get_user_data_dir() const {
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String appname = get_safe_dir_name(ProjectSettings::get_singleton()->get("application/config/name"));
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if (appname != "") {
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bool use_custom_dir = ProjectSettings::get_singleton()->get("application/config/use_custom_user_dir");
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if (use_custom_dir) {
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String custom_dir = get_safe_dir_name(ProjectSettings::get_singleton()->get("application/config/custom_user_dir_name"), true);
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if (custom_dir == "") {
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custom_dir = appname;
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}
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return get_data_path().plus_file(custom_dir);
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} else {
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return get_data_path().plus_file(get_godot_dir_name()).plus_file("app_userdata").plus_file(appname);
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}
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}
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return ProjectSettings::get_singleton()->get_resource_path();
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}
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String OS_Unix::get_executable_path() const {
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#ifdef __linux__
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//fix for running from a symlink
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char buf[256];
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memset(buf, 0, 256);
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readlink("/proc/self/exe", buf, sizeof(buf));
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String b;
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b.parse_utf8(buf);
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if (b == "") {
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WARN_PRINT("Couldn't get executable path from /proc/self/exe, using argv[0]");
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return OS::get_executable_path();
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}
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return b;
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#elif defined(__OpenBSD__)
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char resolved_path[MAXPATHLEN];
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realpath(OS::get_executable_path().utf8().get_data(), resolved_path);
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return String(resolved_path);
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#elif defined(__FreeBSD__)
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int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
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char buf[MAXPATHLEN];
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size_t len = sizeof(buf);
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if (sysctl(mib, 4, buf, &len, NULL, 0) != 0) {
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WARN_PRINT("Couldn't get executable path from sysctl");
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return OS::get_executable_path();
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}
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String b;
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b.parse_utf8(buf);
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return b;
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#elif defined(__APPLE__)
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char temp_path[1];
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uint32_t buff_size = 1;
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_NSGetExecutablePath(temp_path, &buff_size);
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char *resolved_path = new char[buff_size + 1];
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if (_NSGetExecutablePath(resolved_path, &buff_size) == 1)
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WARN_PRINT("MAXPATHLEN is too small");
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String path(resolved_path);
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delete[] resolved_path;
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return path;
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#else
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ERR_PRINT("Warning, don't know how to obtain executable path on this OS! Please override this function properly.");
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return OS::get_executable_path();
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#endif
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}
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void UnixTerminalLogger::log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, ErrorType p_type) {
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if (!should_log(true)) {
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return;
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}
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const char *err_details;
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if (p_rationale && p_rationale[0])
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err_details = p_rationale;
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else
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err_details = p_code;
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switch (p_type) {
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case ERR_WARNING:
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logf_error("\E[1;33mWARNING: %s: \E[0m\E[1m%s\n", p_function, err_details);
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logf_error("\E[0;33m At: %s:%i.\E[0m\n", p_file, p_line);
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break;
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case ERR_SCRIPT:
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logf_error("\E[1;35mSCRIPT ERROR: %s: \E[0m\E[1m%s\n", p_function, err_details);
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logf_error("\E[0;35m At: %s:%i.\E[0m\n", p_file, p_line);
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break;
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case ERR_SHADER:
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logf_error("\E[1;36mSHADER ERROR: %s: \E[0m\E[1m%s\n", p_function, err_details);
|
|
logf_error("\E[0;36m At: %s:%i.\E[0m\n", p_file, p_line);
|
|
break;
|
|
case ERR_ERROR:
|
|
default:
|
|
logf_error("\E[1;31mERROR: %s: \E[0m\E[1m%s\n", p_function, err_details);
|
|
logf_error("\E[0;31m At: %s:%i.\E[0m\n", p_file, p_line);
|
|
break;
|
|
}
|
|
}
|
|
|
|
UnixTerminalLogger::~UnixTerminalLogger() {}
|
|
|
|
OS_Unix::OS_Unix() {
|
|
Vector<Logger *> loggers;
|
|
loggers.push_back(memnew(UnixTerminalLogger));
|
|
_set_logger(memnew(CompositeLogger(loggers)));
|
|
}
|
|
|
|
#endif
|