GODOT IS OPEN SOURCE

1 files changed, 410 insertions, 0 deletions

diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp
new file mode 100644
index 0000000000..f684c63b3b
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+++ b/drivers/unix/os_unix.cpp
@@ -0,0 +1,410 @@
+/*************************************************************************/
+/*  os_unix.cpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* 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 "os_unix.h"
+
+#ifdef UNIX_ENABLED
+
+#include "memory_pool_static_malloc.h"
+#include "os/memory_pool_dynamic_static.h"
+#include "thread_posix.h"
+#include "semaphore_posix.h"
+#include "mutex_posix.h"
+#include "core/os/thread_dummy.h"
+
+//#include "core/io/file_access_buffered_fa.h"
+#include "file_access_unix.h"
+#include "dir_access_unix.h"
+#include "tcp_server_posix.h"
+#include "stream_peer_tcp_posix.h"
+
+
+#include <stdarg.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include <poll.h>
+#include <errno.h>
+#include <assert.h>
+#include "globals.h"
+void OS_Unix::print_error(const char* p_function,const char* p_file,int p_line,const char *p_code,const char*p_rationale,ErrorType p_type) {
+
+	if (p_rationale && p_rationale[0]) {
+
+		print("\E[1;31;40mERROR: %s: \E[1;37;40m%s\n",p_function,p_rationale);
+		print("\E[0;31;40m   At: %s:%i.\E[0;0;37m\n",p_file,p_line);
+
+	} else {
+		print("\E[1;31;40mERROR: %s: \E[1;37;40m%s\n",p_function,p_code);
+		print("\E[0;31;40m   At: %s:%i.\E[0;0;37m\n",p_file,p_line);
+
+	}
+}
+
+
+void OS_Unix::debug_break() {
+
+	assert(false);
+};
+
+int OS_Unix::get_audio_driver_count() const {
+
+	return 1;
+
+}
+const char * OS_Unix::get_audio_driver_name(int p_driver) const {
+
+	return "dummy";
+}
+	
+int OS_Unix::unix_initialize_audio(int p_audio_driver) {
+
+	return 0;
+}
+	
+static MemoryPoolStaticMalloc *mempool_static=NULL;
+static MemoryPoolDynamicStatic *mempool_dynamic=NULL;
+	
+	
+void OS_Unix::initialize_core() {
+
+#ifdef NO_PTHREADS
+	ThreadDummy::make_default();
+	SemaphoreDummy::make_default();
+	MutexDummy::make_default();
+#else
+	ThreadPosix::make_default();	
+	SemaphorePosix::make_default();
+	MutexPosix::make_default();	
+#endif
+	FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES);
+	FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA);
+	FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_FILESYSTEM);
+	//FileAccessBufferedFA<FileAccessUnix>::make_default();
+	DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_RESOURCES);
+	DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_USERDATA);
+	DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_FILESYSTEM);
+
+#ifndef NO_NETWORK
+	TCPServerPosix::make_default();
+	StreamPeerTCPPosix::make_default();
+	IP_Unix::make_default();
+#endif
+	mempool_static = new MemoryPoolStaticMalloc;
+	mempool_dynamic = memnew( MemoryPoolDynamicStatic );
+
+	ticks_start=0;
+	ticks_start=get_ticks_usec();
+}
+
+void OS_Unix::finalize_core() {
+
+
+	if (mempool_dynamic)
+		memdelete( mempool_dynamic );
+	if (mempool_static)
+		delete mempool_static;
+
+}
+
+
+void OS_Unix::vprint(const char* p_format, va_list p_list,bool p_stder) {
+
+	if (p_stder) {
+
+		vfprintf(stderr,p_format,p_list);
+		fflush(stderr);
+	} else {
+
+		vprintf(p_format,p_list);
+		fflush(stdout);
+	}
+}
+
+void OS_Unix::print(const char *p_format, ... ) {
+
+	va_list argp;
+	va_start(argp, p_format);
+	vprintf(p_format, argp );
+	va_end(argp);
+
+}
+void OS_Unix::alert(const String& p_alert,const String& p_title) {
+
+	fprintf(stderr,"ERROR: %s\n",p_alert.utf8().get_data());
+}
+
+static int has_data(FILE* p_fd, int timeout_usec = 0) {
+
+	fd_set readset;
+	int fd = fileno(p_fd);
+	FD_ZERO(&readset);
+	FD_SET(fd, &readset);
+	timeval time;
+	time.tv_sec = 0;
+	time.tv_usec = timeout_usec;
+	int res = 0;//select(fd + 1, &readset, NULL, NULL, &time);
+	return res > 0;
+};
+
+
+String OS_Unix::get_stdin_string(bool p_block) {
+
+	String ret;
+	if (p_block) {
+		char buff[1024];
+		ret = stdin_buf + fgets(buff,1024,stdin);
+		stdin_buf = "";
+		return ret;
+	};
+
+	while (has_data(stdin)) {
+
+		char ch;
+		read(fileno(stdin), &ch, 1);
+		if (ch == '\n') {
+			ret = stdin_buf;
+			stdin_buf = "";
+			return ret;
+		} else {
+			char str[2] = { ch, 0 };
+			stdin_buf += str;
+		};
+	};
+
+	return "";
+}
+
+String OS_Unix::get_name() {
+
+	return "Unix";
+}
+
+
+uint64_t OS_Unix::get_unix_time() const {
+
+	return time(NULL);
+};
+
+
+OS::Date OS_Unix::get_date() const {
+
+	time_t t=time(NULL);
+	struct tm *lt=localtime(&t);
+	Date ret;
+	ret.year=1900+lt->tm_year;
+	ret.month=(Month)lt->tm_mon;
+	ret.day=lt->tm_mday;
+	ret.weekday=(Weekday)lt->tm_wday;
+	ret.dst=lt->tm_isdst;
+	
+	return ret;
+}
+OS::Time OS_Unix::get_time() const {
+
+	time_t t=time(NULL);
+	struct tm *lt=localtime(&t);
+	Time ret;
+	ret.hour=lt->tm_hour;
+	ret.min=lt->tm_min;
+	ret.sec=lt->tm_sec;
+	return ret;
+}
+	
+void OS_Unix::delay_usec(uint32_t p_usec) const {
+
+	usleep(p_usec);
+}
+uint64_t OS_Unix::get_ticks_usec() const {
+
+	struct timeval tv_now;
+	gettimeofday(&tv_now,NULL);
+	
+	uint64_t longtime = (uint64_t)tv_now.tv_usec + (uint64_t)tv_now.tv_sec*1000000L;
+	longtime-=ticks_start;
+	
+	return longtime;
+}
+
+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) {
+
+
+	if (p_blocking && r_pipe) {
+
+
+		String argss;
+		argss="\""+p_path+"\"";
+
+		for(int i=0;i<p_arguments.size();i++) {
+
+			argss+=String(" \"")+p_arguments[i]+"\"";
+		}
+
+		argss+=" 2>/dev/null"; //silence stderr
+		FILE* f=popen(argss.utf8().get_data(),"r");
+
+		ERR_FAIL_COND_V(!f,ERR_CANT_OPEN);
+
+		char buf[65535];
+		while(fgets(buf,65535,f)) {
+
+			(*r_pipe)+=buf;
+		}
+
+		int rv = pclose(f);
+		if (r_exitcode)
+			*r_exitcode=rv;
+
+		return OK;
+	}
+
+
+	pid_t pid = fork();
+	ERR_FAIL_COND_V(pid<0,ERR_CANT_FORK);
+	//print("execute: %s\n",p_path.utf8().get_data());
+
+
+	if (pid==0) {
+		// is child
+		Vector<CharString> cs;
+		cs.push_back(p_path.utf8());
+		for(int i=0;i<p_arguments.size();i++)
+			cs.push_back(p_arguments[i].utf8());
+
+		Vector<char*> args;
+		for(int i=0;i<cs.size();i++)
+			args.push_back((char*)cs[i].get_data());// shitty C cast
+		args.push_back(0);
+
+		execv(p_path.utf8().get_data(),&args[0]);
+		// still alive? something failed..
+		fprintf(stderr,"**ERROR** OS_Unix::execute - Could not create child process while executing: %s\n",p_path.utf8().get_data());
+		abort();
+	}
+
+	if (p_blocking) {
+
+		int status;
+		pid_t rpid = waitpid(pid,&status,0);
+		if (r_exitcode)
+			*r_exitcode=WEXITSTATUS(status);
+
+		print("returned: %i, waiting for: %i\n",rpid,pid);
+	} else {
+
+		if (r_child_id)
+			*r_child_id=pid;
+	}
+
+	return OK;
+
+}
+
+Error OS_Unix::kill(const ProcessID& p_pid) {
+
+	int ret = ::kill(p_pid,SIGKILL);
+	return ret?ERR_INVALID_PARAMETER:OK;
+}
+
+bool OS_Unix::has_environment(const String& p_var) const {
+
+	return getenv(p_var.utf8().get_data())!=NULL;
+}
+
+String OS_Unix::get_locale() const {
+
+	if (!has_environment("LANG"))
+		return "en";
+
+	String locale = get_environment("LANG");
+	int tp = locale.find(".");
+	if (tp!=-1)
+		locale=locale.substr(0,tp);
+	return locale;
+}
+
+Error OS_Unix::set_cwd(const String& p_cwd) {
+
+	if (chdir(p_cwd.utf8().get_data())!=0)
+		return ERR_CANT_OPEN;
+
+	return OK;
+}
+
+
+String OS_Unix::get_environment(const String& p_var) const {
+
+	if (getenv(p_var.utf8().get_data()))
+		return getenv(p_var.utf8().get_data());
+	return "";
+}
+
+int OS_Unix::get_processor_count() const {
+
+	return sysconf(_SC_NPROCESSORS_CONF);
+}
+
+String OS_Unix::get_data_dir() const {
+
+	String an = Globals::get_singleton()->get("application/name");
+	if (an!="") {
+
+		if (has_environment("HOME")) {
+
+			return get_environment("HOME")+"/."+an;
+		}
+	}
+
+	return Globals::get_singleton()->get_resource_path();
+
+}
+
+String OS_Unix::get_executable_path() const {
+
+#ifdef __linux__
+	//fix for running from a symlink
+	char buf[256];
+	memset(buf,0,256);
+	readlink("/proc/self/exe", buf, sizeof(buf));
+	//print_line("Exec path is:"+String(buf));
+	String b = buf;
+	if (b=="") {
+		WARN_PRINT("Couldn't get executable path from /proc/self/exe, using argv[0]");
+		return OS::get_executable_path();
+	}
+	return b;
+#else
+	ERR_PRINT("Warning, don't know how to obtain executable path on this OS! Please override this function properly.");
+	return OS::get_executable_path();
+#endif
+}
+
+
+#endif