forked from bartvdbraak/blender
a239700f43
* Code cleanup, remove deprecated support_advanced_shading() functions. Left over from r43734.
550 lines
12 KiB
C++
550 lines
12 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "device.h"
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#include "device_intern.h"
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#include "device_network.h"
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#include "util_foreach.h"
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CCL_NAMESPACE_BEGIN
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#ifdef WITH_NETWORK
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class NetworkDevice : public Device
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{
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public:
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boost::asio::io_service io_service;
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tcp::socket socket;
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device_ptr mem_counter;
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DeviceTask the_task; /* todo: handle multiple tasks */
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NetworkDevice(Stats &stats, const char *address)
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: Device(stats), socket(io_service)
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{
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stringstream portstr;
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portstr << SERVER_PORT;
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tcp::resolver resolver(io_service);
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tcp::resolver::query query(address, portstr.str());
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tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
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tcp::resolver::iterator end;
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boost::system::error_code error = boost::asio::error::host_not_found;
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while(error && endpoint_iterator != end)
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{
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socket.close();
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socket.connect(*endpoint_iterator++, error);
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}
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if(error)
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throw boost::system::system_error(error);
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mem_counter = 0;
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}
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~NetworkDevice()
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{
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RPCSend snd(socket, "stop");
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snd.write();
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}
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void mem_alloc(device_memory& mem, MemoryType type)
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{
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mem.device_pointer = ++mem_counter;
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RPCSend snd(socket, "mem_alloc");
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snd.add(mem);
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snd.add(type);
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snd.write();
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}
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void mem_copy_to(device_memory& mem)
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{
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RPCSend snd(socket, "mem_copy_to");
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snd.add(mem);
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snd.write();
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snd.write_buffer((void*)mem.data_pointer, mem.memory_size());
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}
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void mem_copy_from(device_memory& mem, int y, int w, int h, int elem)
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{
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RPCSend snd(socket, "mem_copy_from");
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snd.add(mem);
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snd.add(y);
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snd.add(w);
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snd.add(h);
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snd.add(elem);
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snd.write();
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RPCReceive rcv(socket);
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rcv.read_buffer((void*)mem.data_pointer, mem.memory_size());
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}
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void mem_zero(device_memory& mem)
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{
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RPCSend snd(socket, "mem_zero");
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snd.add(mem);
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snd.write();
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}
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void mem_free(device_memory& mem)
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{
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if(mem.device_pointer) {
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RPCSend snd(socket, "mem_free");
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snd.add(mem);
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snd.write();
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mem.device_pointer = 0;
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}
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}
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void const_copy_to(const char *name, void *host, size_t size)
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{
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RPCSend snd(socket, "const_copy_to");
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string name_string(name);
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snd.add(name_string);
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snd.add(size);
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snd.write();
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snd.write_buffer(host, size);
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}
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void tex_alloc(const char *name, device_memory& mem, bool interpolation, bool periodic)
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{
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mem.device_pointer = ++mem_counter;
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RPCSend snd(socket, "tex_alloc");
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string name_string(name);
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snd.add(name_string);
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snd.add(mem);
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snd.add(interpolation);
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snd.add(periodic);
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snd.write();
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snd.write_buffer((void*)mem.data_pointer, mem.memory_size());
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}
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void tex_free(device_memory& mem)
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{
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if(mem.device_pointer) {
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RPCSend snd(socket, "tex_free");
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snd.add(mem);
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snd.write();
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mem.device_pointer = 0;
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}
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}
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void task_add(DeviceTask& task)
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{
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the_task = task;
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RPCSend snd(socket, "task_add");
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snd.add(task);
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snd.write();
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}
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void task_wait()
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{
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RPCSend snd(socket, "task_wait");
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snd.write();
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list<RenderTile> the_tiles;
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/* todo: run this threaded for connecting to multiple clients */
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for(;;) {
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RPCReceive rcv(socket);
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RenderTile tile;
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if(rcv.name == "acquire_tile") {
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/* todo: watch out for recursive calls! */
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if(the_task.acquire_tile(this, tile)) { /* write return as bool */
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the_tiles.push_back(tile);
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RPCSend snd(socket, "acquire_tile");
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snd.add(tile);
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snd.write();
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}
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else {
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RPCSend snd(socket, "acquire_tile_none");
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snd.write();
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}
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}
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else if(rcv.name == "release_tile") {
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rcv.read(tile);
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for(list<RenderTile>::iterator it = the_tiles.begin(); it != the_tiles.end(); it++) {
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if(tile.x == it->x && tile.y == it->y && tile.start_sample == it->start_sample) {
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tile.buffers = it->buffers;
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the_tiles.erase(it);
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break;
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}
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}
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assert(tile.buffers != NULL);
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the_task.release_tile(tile);
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RPCSend snd(socket, "release_tile");
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snd.write();
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}
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else if(rcv.name == "task_wait_done")
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break;
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}
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}
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void task_cancel()
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{
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RPCSend snd(socket, "task_cancel");
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snd.write();
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}
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};
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Device *device_network_create(DeviceInfo& info, Stats &stats, const char *address)
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{
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return new NetworkDevice(stats, address);
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}
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void device_network_info(vector<DeviceInfo>& devices)
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{
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DeviceInfo info;
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info.type = DEVICE_NETWORK;
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info.description = "Network Device";
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info.id = "NETWORK";
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info.num = 0;
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info.advanced_shading = true; /* todo: get this info from device */
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info.pack_images = false;
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devices.push_back(info);
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}
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class DeviceServer {
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public:
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DeviceServer(Device *device_, tcp::socket& socket_)
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: device(device_), socket(socket_)
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{
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}
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void listen()
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{
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/* receive remote function calls */
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for(;;) {
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RPCReceive rcv(socket);
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if(rcv.name == "stop")
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break;
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process(rcv);
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}
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}
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protected:
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void process(RPCReceive& rcv)
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{
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// fprintf(stderr, "receive process %s\n", rcv.name.c_str());
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if(rcv.name == "mem_alloc") {
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MemoryType type;
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network_device_memory mem;
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device_ptr remote_pointer;
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rcv.read(mem);
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rcv.read(type);
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/* todo: CPU needs mem.data_pointer */
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remote_pointer = mem.device_pointer;
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mem_data[remote_pointer] = vector<uint8_t>();
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mem_data[remote_pointer].resize(mem.memory_size());
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if(mem.memory_size())
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mem.data_pointer = (device_ptr)&(mem_data[remote_pointer][0]);
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else
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mem.data_pointer = 0;
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device->mem_alloc(mem, type);
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ptr_map[remote_pointer] = mem.device_pointer;
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ptr_imap[mem.device_pointer] = remote_pointer;
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}
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else if(rcv.name == "mem_copy_to") {
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network_device_memory mem;
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rcv.read(mem);
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device_ptr remote_pointer = mem.device_pointer;
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mem.data_pointer = (device_ptr)&(mem_data[remote_pointer][0]);
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rcv.read_buffer((uint8_t*)mem.data_pointer, mem.memory_size());
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mem.device_pointer = ptr_map[remote_pointer];
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device->mem_copy_to(mem);
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}
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else if(rcv.name == "mem_copy_from") {
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network_device_memory mem;
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int y, w, h, elem;
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rcv.read(mem);
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rcv.read(y);
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rcv.read(w);
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rcv.read(h);
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rcv.read(elem);
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device_ptr remote_pointer = mem.device_pointer;
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mem.device_pointer = ptr_map[remote_pointer];
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mem.data_pointer = (device_ptr)&(mem_data[remote_pointer][0]);
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device->mem_copy_from(mem, y, w, h, elem);
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RPCSend snd(socket);
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snd.write();
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snd.write_buffer((uint8_t*)mem.data_pointer, mem.memory_size());
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}
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else if(rcv.name == "mem_zero") {
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network_device_memory mem;
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rcv.read(mem);
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device_ptr remote_pointer = mem.device_pointer;
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mem.device_pointer = ptr_map[mem.device_pointer];
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mem.data_pointer = (device_ptr)&(mem_data[remote_pointer][0]);
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device->mem_zero(mem);
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}
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else if(rcv.name == "mem_free") {
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network_device_memory mem;
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device_ptr remote_pointer;
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rcv.read(mem);
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remote_pointer = mem.device_pointer;
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mem.device_pointer = ptr_map[mem.device_pointer];
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ptr_map.erase(remote_pointer);
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ptr_imap.erase(mem.device_pointer);
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mem_data.erase(remote_pointer);
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device->mem_free(mem);
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}
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else if(rcv.name == "const_copy_to") {
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string name_string;
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size_t size;
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rcv.read(name_string);
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rcv.read(size);
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vector<char> host_vector(size);
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rcv.read_buffer(&host_vector[0], size);
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device->const_copy_to(name_string.c_str(), &host_vector[0], size);
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}
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else if(rcv.name == "tex_alloc") {
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network_device_memory mem;
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string name;
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bool interpolation;
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bool periodic;
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device_ptr remote_pointer;
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rcv.read(name);
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rcv.read(mem);
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rcv.read(interpolation);
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rcv.read(periodic);
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remote_pointer = mem.device_pointer;
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mem_data[remote_pointer] = vector<uint8_t>();
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mem_data[remote_pointer].resize(mem.memory_size());
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if(mem.memory_size())
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mem.data_pointer = (device_ptr)&(mem_data[remote_pointer][0]);
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else
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mem.data_pointer = 0;
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rcv.read_buffer((uint8_t*)mem.data_pointer, mem.memory_size());
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device->tex_alloc(name.c_str(), mem, interpolation, periodic);
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ptr_map[remote_pointer] = mem.device_pointer;
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ptr_imap[mem.device_pointer] = remote_pointer;
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}
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else if(rcv.name == "tex_free") {
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network_device_memory mem;
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device_ptr remote_pointer;
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rcv.read(mem);
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remote_pointer = mem.device_pointer;
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mem.device_pointer = ptr_map[mem.device_pointer];
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ptr_map.erase(remote_pointer);
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ptr_map.erase(mem.device_pointer);
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mem_data.erase(remote_pointer);
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device->tex_free(mem);
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}
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else if(rcv.name == "task_add") {
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DeviceTask task;
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rcv.read(task);
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if(task.buffer) task.buffer = ptr_map[task.buffer];
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if(task.rgba) task.rgba = ptr_map[task.rgba];
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if(task.shader_input) task.shader_input = ptr_map[task.shader_input];
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if(task.shader_output) task.shader_output = ptr_map[task.shader_output];
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task.acquire_tile = function_bind(&DeviceServer::task_acquire_tile, this, _1, _2);
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task.release_tile = function_bind(&DeviceServer::task_release_tile, this, _1);
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task.update_progress_sample = function_bind(&DeviceServer::task_update_progress_sample, this);
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task.update_tile_sample = function_bind(&DeviceServer::task_update_tile_sample, this, _1);
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task.get_cancel = function_bind(&DeviceServer::task_get_cancel, this);
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device->task_add(task);
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}
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else if(rcv.name == "task_wait") {
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device->task_wait();
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RPCSend snd(socket, "task_wait_done");
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snd.write();
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}
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else if(rcv.name == "task_cancel") {
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device->task_cancel();
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}
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}
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bool task_acquire_tile(Device *device, RenderTile& tile)
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{
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thread_scoped_lock acquire_lock(acquire_mutex);
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bool result = false;
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RPCSend snd(socket, "acquire_tile");
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snd.write();
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while(1) {
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RPCReceive rcv(socket);
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if(rcv.name == "acquire_tile") {
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rcv.read(tile);
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if(tile.buffer) tile.buffer = ptr_map[tile.buffer];
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if(tile.rng_state) tile.rng_state = ptr_map[tile.rng_state];
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if(tile.rgba) tile.rgba = ptr_map[tile.rgba];
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result = true;
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break;
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}
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else if(rcv.name == "acquire_tile_none")
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break;
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else
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process(rcv);
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}
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return result;
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}
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void task_update_progress_sample()
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{
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; /* skip */
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}
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void task_update_tile_sample(RenderTile&)
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{
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; /* skip */
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}
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void task_release_tile(RenderTile& tile)
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{
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thread_scoped_lock acquire_lock(acquire_mutex);
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if(tile.buffer) tile.buffer = ptr_imap[tile.buffer];
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if(tile.rng_state) tile.rng_state = ptr_imap[tile.rng_state];
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if(tile.rgba) tile.rgba = ptr_imap[tile.rgba];
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RPCSend snd(socket, "release_tile");
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snd.add(tile);
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snd.write();
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while(1) {
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RPCReceive rcv(socket);
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if(rcv.name == "release_tile")
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break;
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else
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process(rcv);
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}
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}
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bool task_get_cancel()
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{
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return false;
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}
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/* properties */
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Device *device;
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tcp::socket& socket;
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/* mapping of remote to local pointer */
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map<device_ptr, device_ptr> ptr_map;
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map<device_ptr, device_ptr> ptr_imap;
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map<device_ptr, vector<uint8_t> > mem_data;
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thread_mutex acquire_mutex;
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/* todo: free memory and device (osl) on network error */
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};
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void Device::server_run()
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{
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try {
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/* starts thread that responds to discovery requests */
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ServerDiscovery discovery;
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for(;;) {
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/* accept connection */
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boost::asio::io_service io_service;
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tcp::acceptor acceptor(io_service, tcp::endpoint(tcp::v4(), SERVER_PORT));
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tcp::socket socket(io_service);
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acceptor.accept(socket);
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string remote_address = socket.remote_endpoint().address().to_string();
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printf("Connected to remote client at: %s\n", remote_address.c_str());
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DeviceServer server(this, socket);
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server.listen();
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printf("Disconnected.\n");
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}
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}
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catch(exception& e) {
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fprintf(stderr, "Network server exception: %s\n", e.what());
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}
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}
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#endif
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CCL_NAMESPACE_END
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