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NetworkServer.cpp
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/*---------------------------------------------------------*\
| NetworkServer.cpp |
| |
| OpenRGB SDK network server |
| |
| Adam Honse (CalcProgrammer1) 09 May 2020 |
| |
| This file is part of the OpenRGB project |
| SPDX-License-Identifier: GPL-2.0-only |
\*---------------------------------------------------------*/
#include <cstring>
#include "NetworkServer.h"
#include "LogManager.h"
#ifndef WIN32
#include <sys/ioctl.h>
#include <netinet/tcp.h>
#include <sys/types.h>
#include <arpa/inet.h>
#else
#include <ws2tcpip.h>
#endif
#include <memory.h>
#include <errno.h>
#include <stdlib.h>
#include <iostream>
const char yes = 1;
#ifdef WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif
using namespace std::chrono_literals;
NetworkClientInfo::NetworkClientInfo()
{
client_string = "Client";
client_ip = OPENRGB_SDK_HOST;
client_sock = INVALID_SOCKET;
client_listen_thread = nullptr;
client_protocol_version = 0;
}
NetworkClientInfo::~NetworkClientInfo()
{
if(client_sock != INVALID_SOCKET)
{
LOG_INFO("[NetworkServer] Closing server connection: %s", client_ip.c_str());
delete client_listen_thread;
shutdown(client_sock, SD_RECEIVE);
closesocket(client_sock);
}
}
NetworkServer::NetworkServer(std::vector<RGBController *>& control) : controllers(control)
{
host = OPENRGB_SDK_HOST;
port_num = OPENRGB_SDK_PORT;
server_online = false;
server_listening = false;
legacy_workaround_enabled = false;
for(int i = 0; i < MAXSOCK; i++)
{
ConnectionThread[i] = nullptr;
}
profile_manager = nullptr;
}
NetworkServer::~NetworkServer()
{
StopServer();
}
void NetworkServer::ClientInfoChanged()
{
ClientInfoChangeMutex.lock();
/*---------------------------------------------------------*\
| Client info has changed, call the callbacks |
\*---------------------------------------------------------*/
for(unsigned int callback_idx = 0; callback_idx < ClientInfoChangeCallbacks.size(); callback_idx++)
{
ClientInfoChangeCallbacks[callback_idx](ClientInfoChangeCallbackArgs[callback_idx]);
}
ClientInfoChangeMutex.unlock();
}
void NetworkServer::DeviceListChanged()
{
/*---------------------------------------------------------*\
| Indicate to the clients that the controller list has |
| changed |
\*---------------------------------------------------------*/
for(unsigned int client_idx = 0; client_idx < ServerClients.size(); client_idx++)
{
SendRequest_DeviceListChanged(ServerClients[client_idx]->client_sock);
}
}
void NetworkServer::ServerListeningChanged()
{
ServerListeningChangeMutex.lock();
/*---------------------------------------------------------*\
| Server state has changed, call the callbacks |
\*---------------------------------------------------------*/
for(unsigned int callback_idx = 0; callback_idx < ServerListeningChangeCallbacks.size(); callback_idx++)
{
ServerListeningChangeCallbacks[callback_idx](ServerListeningChangeCallbackArgs[callback_idx]);
}
ServerListeningChangeMutex.unlock();
}
std::string NetworkServer::GetHost()
{
return host;
}
unsigned short NetworkServer::GetPort()
{
return port_num;
}
bool NetworkServer::GetOnline()
{
return server_online;
}
bool NetworkServer::GetListening()
{
return server_listening;
}
unsigned int NetworkServer::GetNumClients()
{
return (unsigned int)ServerClients.size();
}
const char * NetworkServer::GetClientString(unsigned int client_num)
{
const char * result;
ServerClientsMutex.lock();
if(client_num < ServerClients.size())
{
result = ServerClients[client_num]->client_string.c_str();
}
else
{
result = "";
}
ServerClientsMutex.unlock();
return result;
}
const char * NetworkServer::GetClientIP(unsigned int client_num)
{
const char * result;
ServerClientsMutex.lock();
if(client_num < ServerClients.size())
{
result = ServerClients[client_num]->client_ip.c_str();
}
else
{
result = "";
}
ServerClientsMutex.unlock();
return result;
}
unsigned int NetworkServer::GetClientProtocolVersion(unsigned int client_num)
{
unsigned int result;
ServerClientsMutex.lock();
if(client_num < ServerClients.size())
{
result = ServerClients[client_num]->client_protocol_version;
}
else
{
result = 0;
}
ServerClientsMutex.unlock();
return result;
}
void NetworkServer::RegisterClientInfoChangeCallback(NetServerCallback new_callback, void * new_callback_arg)
{
ClientInfoChangeCallbacks.push_back(new_callback);
ClientInfoChangeCallbackArgs.push_back(new_callback_arg);
}
void NetworkServer::RegisterServerListeningChangeCallback(NetServerCallback new_callback, void * new_callback_arg)
{
ServerListeningChangeCallbacks.push_back(new_callback);
ServerListeningChangeCallbackArgs.push_back(new_callback_arg);
}
void NetworkServer::SetHost(std::string new_host)
{
if(server_online == false)
{
host = new_host;
}
}
void NetworkServer::SetLegacyWorkaroundEnable(bool enable)
{
legacy_workaround_enabled = enable;
}
void NetworkServer::SetPort(unsigned short new_port)
{
if(server_online == false)
{
port_num = new_port;
}
}
void NetworkServer::StartServer()
{
int err;
struct addrinfo hints, *res, *result;
/*---------------------------------------------------------*\
| Start a TCP server and launch threads |
\*---------------------------------------------------------*/
char port_str[6];
snprintf(port_str, 6, "%d", port_num);
socket_count = 0;
/*---------------------------------------------------------*\
| Windows requires WSAStartup before using sockets |
\*---------------------------------------------------------*/
#ifdef WIN32
if(WSAStartup(MAKEWORD(2, 2), &wsa) != NO_ERROR)
{
WSACleanup();
return;
}
#endif
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
err = getaddrinfo(host.c_str(), port_str, &hints, &result);
if(err)
{
LOG_ERROR("[NetworkServer] Unable to get address.");
WSACleanup();
return;
}
/*---------------------------------------------------------*\
| Create a server socket for each address returned. |
\*---------------------------------------------------------*/
for(res = result; res && socket_count < MAXSOCK; res = res->ai_next)
{
server_sock[socket_count] = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
if(server_sock[socket_count] == INVALID_SOCKET)
{
LOG_ERROR("[NetworkServer] Network socket could not be created.");
WSACleanup();
return;
}
/*---------------------------------------------------------*\
| Bind the server socket |
\*---------------------------------------------------------*/
if(bind(server_sock[socket_count], res->ai_addr, res->ai_addrlen) == SOCKET_ERROR)
{
if(errno == EADDRINUSE)
{
LOG_ERROR("[NetworkServer] Could not bind network socket. Is port %hu already being used?", GetPort());
}
else if(errno == EACCES)
{
LOG_ERROR("[NetworkServer] Could not bind network socket. Access to socket was denied.");
}
else if(errno == EBADF)
{
LOG_ERROR("[NetworkServer] Could not bind network socket. sockfd is not a valid file descriptor.");
}
else if(errno == EINVAL)
{
LOG_ERROR("[NetworkServer] Could not bind network socket. The socket is already bound to an address, or addrlen is wrong, or addr is not a valid address for this socket's domain.");
}
else if(errno == ENOTSOCK)
{
LOG_ERROR("[NetworkServer] Could not bind network socket. The file descriptor sockfd does not refer to a socket.");
}
else
{
/*---------------------------------------------------------*\
| errno could be a Linux specific error, see: |
| https://man7.org/linux/man-pages/man2/bind.2.html |
\*---------------------------------------------------------*/
LOG_ERROR("[NetworkServer] Could not bind network socket. Error code: %d.", errno);
}
WSACleanup();
return;
}
/*---------------------------------------------------------*\
| Set socket options - no delay |
\*---------------------------------------------------------*/
setsockopt(server_sock[socket_count], IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes));
socket_count += 1;
}
freeaddrinfo(result);
server_online = true;
/*---------------------------------------------------------*\
| Start the connection thread |
\*---------------------------------------------------------*/
for(int curr_socket = 0; curr_socket < socket_count; curr_socket++)
{
ConnectionThread[curr_socket] = new std::thread(&NetworkServer::ConnectionThreadFunction, this, curr_socket);
ConnectionThread[curr_socket]->detach();
}
}
void NetworkServer::StopServer()
{
int curr_socket;
server_online = false;
ServerClientsMutex.lock();
for(unsigned int client_idx = 0; client_idx < ServerClients.size(); client_idx++)
{
delete ServerClients[client_idx];
}
ServerClients.clear();
for(curr_socket = 0; curr_socket < socket_count; curr_socket++)
{
shutdown(server_sock[curr_socket], SD_RECEIVE);
closesocket(server_sock[curr_socket]);
}
ServerClientsMutex.unlock();
for(curr_socket = 0; curr_socket < socket_count; curr_socket++)
{
if(ConnectionThread[curr_socket])
{
delete ConnectionThread[curr_socket];
ConnectionThread[curr_socket] = nullptr;
}
}
socket_count = 0;
/*---------------------------------------------------------*\
| Client info has changed, call the callbacks |
\*---------------------------------------------------------*/
ClientInfoChanged();
}
void NetworkServer::ConnectionThreadFunction(int socket_idx)
{
/*---------------------------------------------------------*\
| This thread handles client connections |
\*---------------------------------------------------------*/
LOG_INFO("[NetworkServer] Network connection thread started on port %hu", GetPort());
while(server_online == true)
{
/*---------------------------------------------------------*\
| Create new socket for client connection |
\*---------------------------------------------------------*/
NetworkClientInfo * client_info = new NetworkClientInfo();
/*---------------------------------------------------------*\
| Listen for incoming client connection on the server |
| socket. This call blocks until a connection is |
| established |
\*---------------------------------------------------------*/
if(listen(server_sock[socket_idx], 10) < 0)
{
LOG_INFO("[NetworkServer] Connection thread closed");
server_online = false;
return;
}
server_listening = true;
ServerListeningChanged();
/*---------------------------------------------------------*\
| Accept the client connection |
\*---------------------------------------------------------*/
client_info->client_sock = accept_select((int)server_sock[socket_idx]);
if(client_info->client_sock < 0)
{
LOG_INFO("[NetworkServer] Connection thread closed");
server_online = false;
server_listening = false;
ServerListeningChanged();
return;
}
/*---------------------------------------------------------*\
| Get the new client socket and store it in the clients |
| vector |
\*---------------------------------------------------------*/
u_long arg = 0;
ioctlsocket(client_info->client_sock, FIONBIO, &arg);
setsockopt(client_info->client_sock, IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes));
/*---------------------------------------------------------*\
| Discover the remote hosts IP |
\*---------------------------------------------------------*/
struct sockaddr_storage tmp_addr;
char ipstr[INET6_ADDRSTRLEN];
socklen_t len;
len = sizeof(tmp_addr);
getpeername(client_info->client_sock, (struct sockaddr*)&tmp_addr, &len);
if(tmp_addr.ss_family == AF_INET)
{
struct sockaddr_in *s_4 = (struct sockaddr_in *)&tmp_addr;
inet_ntop(AF_INET, &s_4->sin_addr, ipstr, sizeof(ipstr));
client_info->client_ip = ipstr;
}
else
{
struct sockaddr_in6 *s_6 = (struct sockaddr_in6 *)&tmp_addr;
inet_ntop(AF_INET6, &s_6->sin6_addr, ipstr, sizeof(ipstr));
client_info->client_ip = ipstr;
}
/*---------------------------------------------------------*\
| We need to lock before the thread could possibly finish |
\*---------------------------------------------------------*/
ServerClientsMutex.lock();
/*---------------------------------------------------------*\
| Start a listener thread for the new client socket |
\*---------------------------------------------------------*/
client_info->client_listen_thread = new std::thread(&NetworkServer::ListenThreadFunction, this, client_info);
client_info->client_listen_thread->detach();
ServerClients.push_back(client_info);
ServerClientsMutex.unlock();
/*---------------------------------------------------------*\
| Client info has changed, call the callbacks |
\*---------------------------------------------------------*/
ClientInfoChanged();
}
LOG_INFO("[NetworkServer] Connection thread closed");
server_online = false;
server_listening = false;
ServerListeningChanged();
}
int NetworkServer::accept_select(int sockfd)
{
fd_set set;
struct timeval timeout;
while(1)
{
timeout.tv_sec = TCP_TIMEOUT_SECONDS;
timeout.tv_usec = 0;
FD_ZERO(&set);
FD_SET(sockfd, &set);
int rv = select(sockfd + 1, &set, NULL, NULL, &timeout);
if(rv == SOCKET_ERROR || server_online == false)
{
return -1;
}
else if(rv == 0)
{
continue;
}
else
{
return(accept((int)sockfd, NULL, NULL));
}
}
}
int NetworkServer::recv_select(SOCKET s, char *buf, int len, int flags)
{
fd_set set;
struct timeval timeout;
while(1)
{
timeout.tv_sec = TCP_TIMEOUT_SECONDS;
timeout.tv_usec = 0;
FD_ZERO(&set);
FD_SET(s, &set);
int rv = select((int)s + 1, &set, NULL, NULL, &timeout);
if(rv == SOCKET_ERROR || server_online == false)
{
return 0;
}
else if(rv == 0)
{
continue;
}
else
{
return(recv(s, buf, len, flags));
}
}
}
void NetworkServer::ListenThreadFunction(NetworkClientInfo * client_info)
{
SOCKET client_sock = client_info->client_sock;
LOG_INFO("[NetworkServer] Network server started");
/*---------------------------------------------------------*\
| This thread handles messages received from clients |
\*---------------------------------------------------------*/
while(server_online == true)
{
NetPacketHeader header;
int bytes_read = 0;
char * data = NULL;
for(unsigned int i = 0; i < 4; i++)
{
/*---------------------------------------------------------*\
| Read byte of magic |
\*---------------------------------------------------------*/
bytes_read = recv_select(client_sock, &header.pkt_magic[i], 1, 0);
if(bytes_read <= 0)
{
LOG_ERROR("[NetworkServer] recv_select failed receiving magic, closing listener");
goto listen_done;
}
/*---------------------------------------------------------*\
| Test characters of magic "ORGB" |
\*---------------------------------------------------------*/
if(header.pkt_magic[i] != openrgb_sdk_magic[i])
{
LOG_ERROR("[NetworkServer] Invalid magic received");
continue;
}
}
/*---------------------------------------------------------*\
| If we get to this point, the magic is correct. Read the |
| rest of the header |
\*---------------------------------------------------------*/
bytes_read = 0;
do
{
int tmp_bytes_read = 0;
tmp_bytes_read = recv_select(client_sock, (char *)&header.pkt_dev_idx + bytes_read, sizeof(header) - sizeof(header.pkt_magic) - bytes_read, 0);
bytes_read += tmp_bytes_read;
if(tmp_bytes_read <= 0)
{
LOG_ERROR("[NetworkServer] recv_select failed receiving header, closing listener");
goto listen_done;
}
} while(bytes_read != sizeof(header) - sizeof(header.pkt_magic));
/*---------------------------------------------------------*\
| Header received, now receive the data |
\*---------------------------------------------------------*/
bytes_read = 0;
if(header.pkt_size > 0)
{
data = new char[header.pkt_size];
do
{
int tmp_bytes_read = 0;
tmp_bytes_read = recv_select(client_sock, &data[(unsigned int)bytes_read], header.pkt_size - bytes_read, 0);
if(tmp_bytes_read <= 0)
{
LOG_ERROR("[NetworkServer] recv_select failed receiving data, closing listener");
goto listen_done;
}
bytes_read += tmp_bytes_read;
} while ((unsigned int)bytes_read < header.pkt_size);
}
/*---------------------------------------------------------*\
| Entire request received, select functionality based on |
| request ID |
\*---------------------------------------------------------*/
switch(header.pkt_id)
{
case NET_PACKET_ID_REQUEST_CONTROLLER_COUNT:
SendReply_ControllerCount(client_sock);
break;
case NET_PACKET_ID_REQUEST_CONTROLLER_DATA:
{
unsigned int protocol_version = 0;
if(header.pkt_size == sizeof(unsigned int))
{
memcpy(&protocol_version, data, sizeof(unsigned int));
}
SendReply_ControllerData(client_sock, header.pkt_dev_idx, protocol_version);
}
break;
case NET_PACKET_ID_REQUEST_PROTOCOL_VERSION:
SendReply_ProtocolVersion(client_sock);
ProcessRequest_ClientProtocolVersion(client_sock, header.pkt_size, data);
break;
case NET_PACKET_ID_SET_CLIENT_NAME:
if(data == NULL)
{
break;
}
ProcessRequest_ClientString(client_sock, header.pkt_size, data);
break;
case NET_PACKET_ID_RGBCONTROLLER_RESIZEZONE:
if(data == NULL)
{
break;
}
if((header.pkt_dev_idx < controllers.size()) && (header.pkt_size == (2 * sizeof(int))))
{
int zone;
int new_size;
memcpy(&zone, data, sizeof(int));
memcpy(&new_size, data + sizeof(int), sizeof(int));
controllers[header.pkt_dev_idx]->ResizeZone(zone, new_size);
profile_manager->SaveProfile("sizes", true);
}
break;
case NET_PACKET_ID_RGBCONTROLLER_UPDATELEDS:
if(data == NULL)
{
break;
}
/*---------------------------------------------------------*\
| Verify the color description size (first 4 bytes of data) |
| matches the packet size in the header |
| |
| If protocol version is 4 or below and the legacy SDK |
| compatibility workaround is enabled, ignore this check. |
| This allows backwards compatibility with old versions of |
| SDK applications that didn't properly implement the size |
| field. |
\*---------------------------------------------------------*/
if((header.pkt_size == *((unsigned int*)data))
|| ((client_info->client_protocol_version <= 4)
&& (legacy_workaround_enabled)))
{
if(header.pkt_dev_idx < controllers.size())
{
controllers[header.pkt_dev_idx]->SetColorDescription((unsigned char *)data);
controllers[header.pkt_dev_idx]->UpdateLEDs();
}
}
else
{
LOG_ERROR("[NetworkServer] UpdateLEDs packet has invalid size. Packet size: %d, Data size: %d", header.pkt_size, *((unsigned int*)data));
goto listen_done;
}
break;
case NET_PACKET_ID_RGBCONTROLLER_UPDATEZONELEDS:
if(data == NULL)
{
break;
}
/*---------------------------------------------------------*\
| Verify the color description size (first 4 bytes of data) |
| matches the packet size in the header |
| |
| If protocol version is 4 or below and the legacy SDK |
| compatibility workaround is enabled, ignore this check. |
| This allows backwards compatibility with old versions of |
| SDK applications that didn't properly implement the size |
| field. |
\*---------------------------------------------------------*/
if((header.pkt_size == *((unsigned int*)data))
|| ((client_info->client_protocol_version <= 4)
&& (legacy_workaround_enabled)))
{
if(header.pkt_dev_idx < controllers.size())
{
int zone;
memcpy(&zone, &data[sizeof(unsigned int)], sizeof(int));
controllers[header.pkt_dev_idx]->SetZoneColorDescription((unsigned char *)data);
controllers[header.pkt_dev_idx]->UpdateZoneLEDs(zone);
}
}
else
{
LOG_ERROR("[NetworkServer] UpdateZoneLEDs packet has invalid size. Packet size: %d, Data size: %d", header.pkt_size, *((unsigned int*)data));
goto listen_done;
}
break;
case NET_PACKET_ID_RGBCONTROLLER_UPDATESINGLELED:
if(data == NULL)
{
break;
}
/*---------------------------------------------------------*\
| Verify the single LED color description size (8 bytes) |
| matches the packet size in the header |
\*---------------------------------------------------------*/
if(header.pkt_size == (sizeof(int) + sizeof(RGBColor)))
{
if(header.pkt_dev_idx < controllers.size())
{
int led;
memcpy(&led, data, sizeof(int));
controllers[header.pkt_dev_idx]->SetSingleLEDColorDescription((unsigned char *)data);
controllers[header.pkt_dev_idx]->UpdateSingleLED(led);
}
}
else
{
LOG_ERROR("[NetworkServer] UpdateSingleLED packet has invalid size. Packet size: %d, Data size: %d", header.pkt_size, (sizeof(int) + sizeof(RGBColor)));
goto listen_done;
}
break;
case NET_PACKET_ID_RGBCONTROLLER_SETCUSTOMMODE:
if(header.pkt_dev_idx < controllers.size())
{
controllers[header.pkt_dev_idx]->SetCustomMode();
}
break;
case NET_PACKET_ID_RGBCONTROLLER_UPDATEMODE:
if(data == NULL)
{
break;
}
/*---------------------------------------------------------*\
| Verify the mode description size (first 4 bytes of data) |
| matches the packet size in the header |
| |
| If protocol version is 4 or below and the legacy SDK |
| compatibility workaround is enabled, ignore this check. |
| This allows backwards compatibility with old versions of |
| SDK applications that didn't properly implement the size |
| field. |
\*---------------------------------------------------------*/
if((header.pkt_size == *((unsigned int*)data))
|| ((client_info->client_protocol_version <= 4)
&& (legacy_workaround_enabled)))
{
if(header.pkt_dev_idx < controllers.size())
{
controllers[header.pkt_dev_idx]->SetModeDescription((unsigned char *)data, client_info->client_protocol_version);
controllers[header.pkt_dev_idx]->UpdateMode();
}
}
else
{
LOG_ERROR("[NetworkServer] UpdateMode packet has invalid size. Packet size: %d, Data size: %d", header.pkt_size, *((unsigned int*)data));
goto listen_done;
}
break;
case NET_PACKET_ID_RGBCONTROLLER_SAVEMODE:
if(data == NULL)
{
break;
}
/*---------------------------------------------------------*\
| Verify the mode description size (first 4 bytes of data) |
| matches the packet size in the header |
| |
| If protocol version is 4 or below and the legacy SDK |
| compatibility workaround is enabled, ignore this check. |
| This allows backwards compatibility with old versions of |
| SDK applications that didn't properly implement the size |
| field. |
\*---------------------------------------------------------*/
if((header.pkt_size == *((unsigned int*)data))
|| ((client_info->client_protocol_version <= 4)
&& (legacy_workaround_enabled)))
{
if(header.pkt_dev_idx < controllers.size())
{
controllers[header.pkt_dev_idx]->SetModeDescription((unsigned char *)data, client_info->client_protocol_version);
controllers[header.pkt_dev_idx]->SaveMode();
}
}
break;
case NET_PACKET_ID_REQUEST_PROFILE_LIST:
SendReply_ProfileList(client_sock);
break;
case NET_PACKET_ID_REQUEST_SAVE_PROFILE:
if(data == NULL)
{
break;
}
if(profile_manager)
{
std::string profile_name;
profile_name.assign(data, header.pkt_size);
profile_manager->SaveProfile(profile_name);
}
break;
case NET_PACKET_ID_REQUEST_LOAD_PROFILE:
if(data == NULL)
{
break;
}
if(profile_manager)
{
std::string profile_name;
profile_name.assign(data, header.pkt_size);
profile_manager->LoadProfile(profile_name);
}
for(RGBController* controller : controllers)
{
controller->UpdateLEDs();
}
break;
case NET_PACKET_ID_REQUEST_DELETE_PROFILE:
if(data == NULL)
{
break;
}
if(profile_manager)
{
std::string profile_name;
profile_name.assign(data, header.pkt_size);
profile_manager->DeleteProfile(profile_name);
}
break;
case NET_PACKET_ID_REQUEST_PLUGIN_LIST:
SendReply_PluginList(client_sock);
break;
case NET_PACKET_ID_PLUGIN_SPECIFIC:
{
unsigned int plugin_pkt_type = *((unsigned int*)(data));
unsigned int plugin_pkt_size = header.pkt_size - (sizeof(unsigned int));
unsigned char* plugin_data = (unsigned char*)(data + sizeof(unsigned int));
if(header.pkt_dev_idx < plugins.size())
{
NetworkPlugin plugin = plugins[header.pkt_dev_idx];
unsigned char* output = plugin.callback(plugin.callback_arg, plugin_pkt_type, plugin_data, &plugin_pkt_size);
if(output != nullptr)
{
SendReply_PluginSpecific(client_sock, plugin_pkt_type, output, plugin_pkt_size);
}
}
break;
}
}
delete[] data;
}
listen_done:
ServerClientsMutex.lock();
for(unsigned int this_idx = 0; this_idx < ServerClients.size(); this_idx++)
{
if(ServerClients[this_idx] == client_info)
{
delete client_info;
ServerClients.erase(ServerClients.begin() + this_idx);
break;
}
}
client_info = nullptr;
ServerClientsMutex.unlock();
/*---------------------------------------------------------*\
| Client info has changed, call the callbacks |
\*---------------------------------------------------------*/
ClientInfoChanged();
}
void NetworkServer::ProcessRequest_ClientProtocolVersion(SOCKET client_sock, unsigned int data_size, char * data)
{
unsigned int protocol_version = 0;
if(data_size == sizeof(unsigned int) && (data != NULL))
{
memcpy(&protocol_version, data, sizeof(unsigned int));
}
if(protocol_version > OPENRGB_SDK_PROTOCOL_VERSION)
{
protocol_version = OPENRGB_SDK_PROTOCOL_VERSION;
}
ServerClientsMutex.lock();
for(unsigned int this_idx = 0; this_idx < ServerClients.size(); this_idx++)
{
if(ServerClients[this_idx]->client_sock == client_sock)
{
ServerClients[this_idx]->client_protocol_version = protocol_version;
break;
}
}
ServerClientsMutex.unlock();
/*---------------------------------------------------------*\
| Client info has changed, call the callbacks |
\*---------------------------------------------------------*/
ClientInfoChanged();
}
void NetworkServer::ProcessRequest_ClientString(SOCKET client_sock, unsigned int data_size, char * data)
{
ServerClientsMutex.lock();
for(unsigned int this_idx = 0; this_idx < ServerClients.size(); this_idx++)
{
if(ServerClients[this_idx]->client_sock == client_sock)