361 lines
9.7 KiB
C++
361 lines
9.7 KiB
C++
/*************************************************************************/
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/* editor_file_server.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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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 "editor_file_server.h"
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#include "io/marshalls.h"
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#include "io/marshalls.h"
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#include "../editor_settings.h"
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//#define DEBUG_PRINT(m_p) print_line(m_p)
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#define DEBUG_TIME(m_what) printf("MS: %s - %lli\n",m_what,OS::get_singleton()->get_ticks_usec());
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//#define DEBUG_TIME(m_what)
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void EditorFileServer::_close_client(ClientData *cd) {
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cd->connection->disconnect();
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cd->efs->wait_mutex->lock();
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cd->efs->to_wait.insert(cd->thread);
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cd->efs->wait_mutex->unlock();
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while(cd->files.size()) {
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memdelete(cd->files.front()->get());
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cd->files.erase(cd->files.front());
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}
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memdelete(cd);
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}
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void EditorFileServer::_subthread_start(void*s) {
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ClientData *cd = (ClientData*)s;
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cd->connection->set_nodelay(true);
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uint8_t buf4[8];
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Error err = cd->connection->get_data(buf4,4);
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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int passlen=decode_uint32(buf4);
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if (passlen>512) {
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_close_client(cd);
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ERR_FAIL_COND(passlen>512);
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} else if (passlen>0) {
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Vector<char> passutf8;
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passutf8.resize(passlen+1);
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err = cd->connection->get_data((uint8_t*)passutf8.ptr(),passlen);
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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passutf8[passlen]=0;
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String s;
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s.parse_utf8(passutf8.ptr());
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if (s!=cd->efs->password) {
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encode_uint32(ERR_INVALID_DATA,buf4);
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cd->connection->put_data(buf4,4);
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OS::get_singleton()->delay_usec(1000000);
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_close_client(cd);
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ERR_PRINT("CLIENT PASSWORD MISMATCH");
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ERR_FAIL();
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}
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} else {
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if (cd->efs->password!="") {
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encode_uint32(ERR_INVALID_DATA,buf4);
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cd->connection->put_data(buf4,4);
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OS::get_singleton()->delay_usec(1000000);
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_close_client(cd);
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ERR_PRINT("CLIENT PASSWORD MISMATCH (should be empty!)");
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ERR_FAIL();
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}
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}
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encode_uint32(OK,buf4);
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cd->connection->put_data(buf4,4);
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while(!cd->quit) {
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//wait for ID
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err = cd->connection->get_data(buf4,4);
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//#define DEBUG_PRINT(m_p) print_line(m_p)
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DEBUG_TIME("get_data")
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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int id=decode_uint32(buf4);
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//wait for command
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err = cd->connection->get_data(buf4,4);
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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int cmd=decode_uint32(buf4);
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switch(cmd) {
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case FileAccessNetwork::COMMAND_FILE_EXISTS:
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case FileAccessNetwork::COMMAND_GET_MODTIME:
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case FileAccessNetwork::COMMAND_OPEN_FILE: {
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DEBUG_TIME("open_file")
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err = cd->connection->get_data(buf4,4);
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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int namelen=decode_uint32(buf4);
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Vector<char> fileutf8;
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fileutf8.resize(namelen+1);
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err = cd->connection->get_data((uint8_t*)fileutf8.ptr(),namelen);
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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fileutf8[namelen]=0;
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String s;
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s.parse_utf8(fileutf8.ptr());
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if (cmd==FileAccessNetwork::COMMAND_FILE_EXISTS) {
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print_line("FILE EXISTS: "+s);
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}
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if (cmd==FileAccessNetwork::COMMAND_GET_MODTIME) {
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print_line("MOD TIME: "+s);
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}
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if (cmd==FileAccessNetwork::COMMAND_OPEN_FILE) {
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print_line("OPEN: "+s);
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}
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if ( !s.begins_with("res://")) {
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_close_client(cd);
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ERR_FAIL_COND(!s.begins_with("res://"));
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}
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ERR_CONTINUE(cd->files.has(id));
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if (cmd==FileAccessNetwork::COMMAND_FILE_EXISTS) {
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encode_uint32(id,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(FileAccessNetwork::RESPONSE_FILE_EXISTS,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(FileAccess::exists(s),buf4);
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cd->connection->put_data(buf4,4);
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DEBUG_TIME("open_file_end")
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break;
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}
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if (cmd==FileAccessNetwork::COMMAND_GET_MODTIME) {
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encode_uint32(id,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(FileAccessNetwork::RESPONSE_GET_MODTIME,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint64(FileAccess::get_modified_time(s),buf4);
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cd->connection->put_data(buf4,8);
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DEBUG_TIME("open_file_end")
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break;
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}
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FileAccess *fa = FileAccess::open(s,FileAccess::READ);
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if (!fa) {
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//not found, continue
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encode_uint32(id,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(FileAccessNetwork::RESPONSE_OPEN,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(ERR_FILE_NOT_FOUND,buf4);
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cd->connection->put_data(buf4,4);
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DEBUG_TIME("open_file_end")
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break;
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}
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encode_uint32(id,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(FileAccessNetwork::RESPONSE_OPEN,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(OK,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint64(fa->get_len(),buf4);
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cd->connection->put_data(buf4,8);
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cd->files[id]=fa;
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DEBUG_TIME("open_file_end")
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} break;
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case FileAccessNetwork::COMMAND_READ_BLOCK: {
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err = cd->connection->get_data(buf4,8);
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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ERR_CONTINUE(!cd->files.has(id));
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uint64_t offset = decode_uint64(buf4);
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err = cd->connection->get_data(buf4,4);
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if (err!=OK) {
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_close_client(cd);
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ERR_FAIL_COND(err!=OK);
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}
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int blocklen=decode_uint32(buf4);
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ERR_CONTINUE(blocklen > (16*1024*1024));
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cd->files[id]->seek(offset);
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Vector<uint8_t> buf;
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buf.resize(blocklen);
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int read = cd->files[id]->get_buffer(buf.ptr(),blocklen);
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ERR_CONTINUE(read<0);
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print_line("GET BLOCK - offset: "+itos(offset)+", blocklen: "+itos(blocklen));
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//not found, continue
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encode_uint32(id,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint32(FileAccessNetwork::RESPONSE_DATA,buf4);
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cd->connection->put_data(buf4,4);
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encode_uint64(offset,buf4);
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cd->connection->put_data(buf4,8);
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encode_uint32(read,buf4);
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cd->connection->put_data(buf4,4);
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cd->connection->put_data(buf.ptr(),read);
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} break;
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case FileAccessNetwork::COMMAND_CLOSE: {
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print_line("CLOSED");
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ERR_CONTINUE(!cd->files.has(id));
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memdelete(cd->files[id]);
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cd->files.erase(id);
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} break;
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}
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}
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_close_client(cd);
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}
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void EditorFileServer::_thread_start(void*s) {
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EditorFileServer *self=(EditorFileServer*)s;
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while(!self->quit) {
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if (self->cmd==CMD_ACTIVATE) {
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self->server->listen(self->port);
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self->active=true;
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self->cmd=CMD_NONE;
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} else if (self->cmd==CMD_STOP) {
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self->server->stop();
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self->active=false;
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self->cmd=CMD_NONE;
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}
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if (self->active) {
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if (self->server->is_connection_available()) {
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ClientData *cd = memnew( ClientData);
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cd->connection=self->server->take_connection();
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cd->efs=self;
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cd->quit=false;
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cd->thread=Thread::create(_subthread_start,cd);
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}
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}
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self->wait_mutex->lock();
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while (self->to_wait.size()) {
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Thread *w = self->to_wait.front()->get();
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self->to_wait.erase(w);
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self->wait_mutex->unlock();
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Thread::wait_to_finish(w);
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memdelete(w);
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self->wait_mutex->lock();
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}
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self->wait_mutex->unlock();
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OS::get_singleton()->delay_usec(100000);
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}
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}
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void EditorFileServer::start() {
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stop();
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port=EDITOR_DEF("file_server/port",6010);
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password=EDITOR_DEF("file_server/password","");
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cmd=CMD_ACTIVATE;
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}
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bool EditorFileServer::is_active() const {
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return active;
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}
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void EditorFileServer::stop(){
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cmd=CMD_STOP;
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}
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EditorFileServer::EditorFileServer() {
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server = TCP_Server::create_ref();
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wait_mutex = Mutex::create();
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quit=false;
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active=false;
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cmd=CMD_NONE;
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thread=Thread::create(_thread_start,this);
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EDITOR_DEF("file_server/port",6010);
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EDITOR_DEF("file_server/password","");
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}
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EditorFileServer::~EditorFileServer() {
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quit=true;
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Thread::wait_to_finish(thread);
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memdelete(thread);
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memdelete(wait_mutex);
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}
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