X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/fde026c507b6562245d6d2495742c56d181cb3b4..07ffb596f0664971daacc9c097ff20ca8f2ed5fd:/projects/stargazer/plugins/other/rscript/rscript.cpp?ds=inline diff --git a/projects/stargazer/plugins/other/rscript/rscript.cpp b/projects/stargazer/plugins/other/rscript/rscript.cpp index 3a557a30..4433dafd 100644 --- a/projects/stargazer/plugins/other/rscript/rscript.cpp +++ b/projects/stargazer/plugins/other/rscript/rscript.cpp @@ -19,35 +19,48 @@ * Author : Maxim Mamontov */ -/* - $Revision: 1.33 $ - $Date: 2010/04/16 12:30:37 $ - $Author: faust $ -*/ - #include #include #include #include +#include +#include #include #include "stg/common.h" #include "stg/locker.h" +#include "stg/users.h" #include "stg/user_property.h" #include "stg/plugin_creator.h" +#include "stg/logger.h" #include "rscript.h" #include "ur_functor.h" #include "send_functor.h" -extern volatile const time_t stgTime; +extern volatile time_t stgTime; + +using RS::REMOTE_SCRIPT; + +namespace { + +template +struct USER_IS +{ + USER_IS(USER_PTR u) : user(u) {} + bool operator()(const T & notifier) { return notifier.GetUser() == user; } -#define RS_MAX_ROUTERS (100) + USER_PTR user; +}; +PLUGIN_CREATOR rsc; + +} // namespace anonymous + +extern "C" PLUGIN * GetPlugin(); //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- -PLUGIN_CREATOR rsc; //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- @@ -58,36 +71,22 @@ return rsc.GetPlugin(); //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- -RS_USER & RS_USER::operator=(const RS_USER & rvalue) -{ -lastSentTime = rvalue.lastSentTime; -user = rvalue.user; -routers = rvalue.routers; -shortPacketsCount = rvalue.shortPacketsCount; -return *this; -} -//----------------------------------------------------------------------------- -RS_SETTINGS::RS_SETTINGS() +RS::SETTINGS::SETTINGS() : sendPeriod(0), - port(0), - errorStr(), - netRouters(), - userParams(), - password(), - subnetFile() + port(0) { } //----------------------------------------------------------------------------- -int RS_SETTINGS::ParseSettings(const MODULE_SETTINGS & s) +int RS::SETTINGS::ParseSettings(const MODULE_SETTINGS & s) { int p; PARAM_VALUE pv; -vector::const_iterator pvi; +std::vector::const_iterator pvi; netRouters.clear(); /////////////////////////// pv.param = "Port"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'Port\' not found."; printfd(__FILE__, "Parameter 'Port' not found\n"); @@ -99,11 +98,11 @@ if (ParseIntInRange(pvi->value[0], 2, 65535, &p)) printfd(__FILE__, "Cannot parse parameter 'Port'\n"); return -1; } -port = p; +port = static_cast(p); /////////////////////////// pv.param = "SendPeriod"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'SendPeriod\' not found."; printfd(__FILE__, "Parameter 'SendPeriod' not found\n"); @@ -119,7 +118,7 @@ if (ParseIntInRange(pvi->value[0], 5, 600, &sendPeriod)) /////////////////////////// pv.param = "UserParams"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'UserParams\' not found."; printfd(__FILE__, "Parameter 'UserParams' not found\n"); @@ -129,7 +128,7 @@ userParams = pvi->value; /////////////////////////// pv.param = "Password"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'Password\' not found."; printfd(__FILE__, "Parameter 'Password' not found\n"); @@ -139,7 +138,7 @@ password = pvi->value[0]; /////////////////////////// pv.param = "SubnetFile"; pvi = find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'SubnetFile\' not found."; printfd(__FILE__, "Parameter 'SubnetFile' not found\n"); @@ -149,13 +148,14 @@ subnetFile = pvi->value[0]; NRMapParser nrMapParser; -if (nrMapParser.ReadFile(subnetFile)) +if (!nrMapParser.ReadFile(subnetFile)) { - errorStr = nrMapParser.GetErrorStr(); - return -1; + netRouters = nrMapParser.GetMap(); + } +else + { + GetStgLogger()("mod_rscript: error opening subnets file '%s'", subnetFile.c_str()); } - -netRouters = nrMapParser.GetMap(); return 0; } @@ -164,7 +164,8 @@ return 0; //----------------------------------------------------------------------------- REMOTE_SCRIPT::REMOTE_SCRIPT() : ctx(), - afterChgIPNotifierList(), + ipNotifierList(), + connNotifierList(), authorizedUsers(), errorStr(), rsSettings(), @@ -179,7 +180,8 @@ REMOTE_SCRIPT::REMOTE_SCRIPT() mutex(), sock(0), onAddUserNotifier(*this), - onDelUserNotifier(*this) + onDelUserNotifier(*this), + logger(GetPluginLogger(GetStgLogger(), "rscript")) { pthread_mutex_init(&mutex, NULL); } @@ -227,9 +229,6 @@ netRouters = rsSettings.GetSubnetsMap(); InitEncrypt(&ctx, rsSettings.GetPassword()); -//onAddUserNotifier.SetRemoteScript(this); -//onDelUserNotifier.SetRemoteScript(this); - users->AddNotifierUserAdd(&onAddUserNotifier); users->AddNotifierUserDel(&onDelUserNotifier); @@ -250,6 +249,7 @@ if (!isRunning) if (pthread_create(&thread, NULL, Run, this)) { errorStr = "Cannot create thread."; + logger("Cannot create thread."); printfd(__FILE__, "Cannot create thread\n"); return -1; } @@ -288,23 +288,27 @@ users->DelNotifierUserDel(&onDelUserNotifier); users->DelNotifierUserAdd(&onAddUserNotifier); if (isRunning) + { + logger("Cannot stop thread."); return -1; + } return 0; } //----------------------------------------------------------------------------- -int REMOTE_SCRIPT::Reload() +int REMOTE_SCRIPT::Reload(const MODULE_SETTINGS & /*ms*/) { NRMapParser nrMapParser; if (nrMapParser.ReadFile(rsSettings.GetMapFileName())) { errorStr = nrMapParser.GetErrorStr(); + logger("Map file reading error: %s", errorStr.c_str()); return -1; } { - STG_LOCKER lock(&mutex, __FILE__, __LINE__); + STG_LOCKER lock(&mutex); printfd(__FILE__, "REMOTE_SCRIPT::Reload()\n"); @@ -315,6 +319,9 @@ std::for_each(authorizedUsers.begin(), authorizedUsers.end(), UpdateRouter(*this)); +logger("%s reloaded successfully.", rsSettings.GetMapFileName().c_str()); +printfd(__FILE__, "REMOTE_SCRIPT::Reload() %s reloaded successfully.\n"); + return 0; } //----------------------------------------------------------------------------- @@ -325,6 +332,7 @@ sock = socket(AF_INET, SOCK_DGRAM, 0); if (sock < 0) { errorStr = "Cannot create socket."; + logger("Canot create a socket: %s", strerror(errno)); printfd(__FILE__, "Cannot create socket\n"); return true; } @@ -340,27 +348,26 @@ return false; //----------------------------------------------------------------------------- void REMOTE_SCRIPT::PeriodicSend() { -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +STG_LOCKER lock(&mutex); -map::iterator it(authorizedUsers.begin()); +std::map::iterator it(authorizedUsers.begin()); while (it != authorizedUsers.end()) { if (difftime(stgTime, it->second.lastSentTime) - (rand() % halfPeriod) > sendPeriod) - //if (stgTime - it->second.lastSentTime > sendPeriod) { - Send(it->first, it->second); + Send(it->second); } ++it; } } //----------------------------------------------------------------------------- #ifdef NDEBUG -bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t, uint32_t ip, RS_USER & rsu, bool forceDisconnect) const +bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t, RS::USER & rsu, bool forceDisconnect) const #else -bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t bufSize, uint32_t ip, RS_USER & rsu, bool forceDisconnect) const +bool REMOTE_SCRIPT::PreparePacket(char * buf, size_t bufSize, RS::USER & rsu, bool forceDisconnect) const #endif { -RS_PACKET_HEADER packetHead; +RS::PACKET_HEADER packetHead; memset(packetHead.padding, 0, sizeof(packetHead.padding)); strcpy((char*)packetHead.magic, RS_ID); @@ -369,6 +376,7 @@ packetHead.protoVer[1] = '2'; if (forceDisconnect) { packetHead.packetType = RS_DISCONNECT_PACKET; + printfd(__FILE__, "RSCRIPT: force disconnect for '%s'\n", rsu.user->GetLogin().c_str()); } else { @@ -376,17 +384,25 @@ else { //SendLong packetHead.packetType = rsu.user->IsInetable() ? RS_CONNECT_PACKET : RS_DISCONNECT_PACKET; + if (rsu.user->IsInetable()) + printfd(__FILE__, "RSCRIPT: connect for '%s'\n", rsu.user->GetLogin().c_str()); + else + printfd(__FILE__, "RSCRIPT: disconnect for '%s'\n", rsu.user->GetLogin().c_str()); } else { //SendShort packetHead.packetType = rsu.user->IsInetable() ? RS_ALIVE_PACKET : RS_DISCONNECT_PACKET; + if (rsu.user->IsInetable()) + printfd(__FILE__, "RSCRIPT: alive for '%s'\n", rsu.user->GetLogin().c_str()); + else + printfd(__FILE__, "RSCRIPT: disconnect for '%s'\n", rsu.user->GetLogin().c_str()); } } rsu.shortPacketsCount++; rsu.lastSentTime = stgTime; -packetHead.ip = htonl(ip); +packetHead.ip = htonl(rsu.ip); packetHead.id = htonl(rsu.user->GetID()); strncpy((char*)packetHead.login, rsu.user->GetLogin().c_str(), RS_LOGIN_LEN); packetHead.login[RS_LOGIN_LEN - 1] = 0; @@ -398,19 +414,22 @@ if (packetHead.packetType == RS_ALIVE_PACKET) return false; } -RS_PACKET_TAIL packetTail; +RS::PACKET_TAIL packetTail; memset(packetTail.padding, 0, sizeof(packetTail.padding)); strcpy((char*)packetTail.magic, RS_ID); -vector::const_iterator it; +std::vector::const_iterator it; std::string params; for(it = rsSettings.GetUserParams().begin(); it != rsSettings.GetUserParams().end(); ++it) { - std::string parameter(GetUserParam(rsu.user, *it)); + std::string parameter(rsu.user->GetParamValue(it->c_str())); if (params.length() + parameter.length() > RS_PARAMS_LEN - 1) + { + logger("Script params string length %d exceeds the limit of %d symbols.", params.length() + parameter.length(), RS_PARAMS_LEN); break; + } params += parameter + " "; } strncpy((char *)packetTail.params, params.c_str(), RS_PARAMS_LEN); @@ -423,13 +442,13 @@ Encrypt(&ctx, buf + sizeof(packetHead), (char *)&packetTail, sizeof(packetTail) return false; } //----------------------------------------------------------------------------- -bool REMOTE_SCRIPT::Send(uint32_t ip, RS_USER & rsu, bool forceDisconnect) const +bool REMOTE_SCRIPT::Send(RS::USER & rsu, bool forceDisconnect) const { char buffer[RS_MAX_PACKET_LEN]; memset(buffer, 0, sizeof(buffer)); -if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect)) +if (PreparePacket(buffer, sizeof(buffer), rsu, forceDisconnect)) { printfd(__FILE__, "REMOTE_SCRIPT::Send() - Invalid packet length!\n"); return true; @@ -438,17 +457,17 @@ if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect)) std::for_each( rsu.routers.begin(), rsu.routers.end(), - PacketSender(sock, buffer, sizeof(buffer), htons(rsSettings.GetPort())) + PacketSender(sock, buffer, sizeof(buffer), static_cast(htons(rsSettings.GetPort()))) ); return false; } //----------------------------------------------------------------------------- -bool REMOTE_SCRIPT::SendDirect(uint32_t ip, RS_USER & rsu, uint32_t routerIP, bool forceDisconnect) const +bool REMOTE_SCRIPT::SendDirect(RS::USER & rsu, uint32_t routerIP, bool forceDisconnect) const { char buffer[RS_MAX_PACKET_LEN]; -if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect)) +if (PreparePacket(buffer, sizeof(buffer), rsu, forceDisconnect)) { printfd(__FILE__, "REMOTE_SCRIPT::SendDirect() - Invalid packet length!\n"); return true; @@ -457,10 +476,13 @@ if (PreparePacket(buffer, sizeof(buffer), ip, rsu, forceDisconnect)) struct sockaddr_in sendAddr; sendAddr.sin_family = AF_INET; -sendAddr.sin_port = htons(rsSettings.GetPort()); +sendAddr.sin_port = static_cast(htons(rsSettings.GetPort())); sendAddr.sin_addr.s_addr = routerIP; -int res = sendto(sock, buffer, sizeof(buffer), 0, (struct sockaddr *)&sendAddr, sizeof(sendAddr)); +ssize_t res = sendto(sock, buffer, sizeof(buffer), 0, (struct sockaddr *)&sendAddr, sizeof(sendAddr)); + +if (res < 0) + logger("sendto error: %s", strerror(errno)); return (res != sizeof(buffer)); } @@ -470,54 +492,20 @@ bool REMOTE_SCRIPT::GetUsers() USER_PTR u; int h = users->OpenSearch(); -if (!h) - { - errorStr = "users->OpenSearch() error."; - printfd(__FILE__, "OpenSearch() error\n"); - return true; - } +assert(h && "USERS::OpenSearch is always correct"); while (!users->SearchNext(h, &u)) { - SetUserNotifier(u); + SetUserNotifiers(u); } users->CloseSearch(h); return false; } //----------------------------------------------------------------------------- -void REMOTE_SCRIPT::ChangedIP(USER_PTR u, uint32_t oldIP, uint32_t newIP) -{ -/* - * When ip changes process looks like: - * old => 0, 0 => new - * - */ -if (newIP) - { - RS_USER rsu(IP2Routers(newIP), u); - Send(newIP, rsu); - - STG_LOCKER lock(&mutex, __FILE__, __LINE__); - authorizedUsers[newIP] = rsu; - } -else - { - STG_LOCKER lock(&mutex, __FILE__, __LINE__); - const map::iterator it( - authorizedUsers.find(oldIP) - ); - if (it != authorizedUsers.end()) - { - Send(oldIP, it->second, true); - authorizedUsers.erase(it); - } - } -} -//----------------------------------------------------------------------------- std::vector REMOTE_SCRIPT::IP2Routers(uint32_t ip) { -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +STG_LOCKER lock(&mutex); for (size_t i = 0; i < netRouters.size(); ++i) { if ((ip & netRouters[i].subnetMask) == (netRouters[i].subnetIP & netRouters[i].subnetMask)) @@ -528,124 +516,75 @@ for (size_t i = 0; i < netRouters.size(); ++i) return std::vector(); } //----------------------------------------------------------------------------- -string REMOTE_SCRIPT::GetUserParam(USER_PTR u, const string & paramName) const +void REMOTE_SCRIPT::SetUserNotifiers(USER_PTR u) { -string value = ""; -if (strcasecmp(paramName.c_str(), "cash") == 0) - strprintf(&value, "%f", u->GetProperty().cash.Get()); -else -if (strcasecmp(paramName.c_str(), "freeMb") == 0) - strprintf(&value, "%f", u->GetProperty().freeMb.Get()); -else -if (strcasecmp(paramName.c_str(), "passive") == 0) - strprintf(&value, "%d", u->GetProperty().passive.Get()); -else -if (strcasecmp(paramName.c_str(), "disabled") == 0) - strprintf(&value, "%d", u->GetProperty().disabled.Get()); -else -if (strcasecmp(paramName.c_str(), "alwaysOnline") == 0) - strprintf(&value, "%d", u->GetProperty().alwaysOnline.Get()); -else -if (strcasecmp(paramName.c_str(), "tariffName") == 0 || - strcasecmp(paramName.c_str(), "tariff") == 0) - value = "\"" + u->GetProperty().tariffName.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "nextTariff") == 0) - value = "\"" + u->GetProperty().nextTariff.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "address") == 0) - value = "\"" + u->GetProperty().address.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "note") == 0) - value = "\"" + u->GetProperty().note.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "group") == 0) - value = "\"" + u->GetProperty().group.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "email") == 0) - value = "\"" + u->GetProperty().email.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "realName") == 0) - value = "\"" + u->GetProperty().realName.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "credit") == 0) - strprintf(&value, "%f", u->GetProperty().credit.Get()); -else -if (strcasecmp(paramName.c_str(), "userdata0") == 0) - value = "\"" + u->GetProperty().userdata0.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata1") == 0) - value = "\"" + u->GetProperty().userdata1.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata2") == 0) - value = "\"" + u->GetProperty().userdata2.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata3") == 0) - value = "\"" + u->GetProperty().userdata3.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata4") == 0) - value = "\"" + u->GetProperty().userdata4.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata5") == 0) - value = "\"" + u->GetProperty().userdata5.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata6") == 0) - value = "\"" + u->GetProperty().userdata6.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata7") == 0) - value = "\"" + u->GetProperty().userdata7.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata8") == 0) - value = "\"" + u->GetProperty().userdata8.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "userdata9") == 0) - value = "\"" + u->GetProperty().userdata9.Get() + "\""; -else -if (strcasecmp(paramName.c_str(), "enabledDirs") == 0) - value = u->GetEnabledDirs(); -else - printfd(__FILE__, "Unknown value name: %s\n", paramName.c_str()); -return value; +ipNotifierList.push_front(RS::IP_NOTIFIER(*this, u)); +connNotifierList.push_front(RS::CONNECTED_NOTIFIER(*this, u)); } //----------------------------------------------------------------------------- -void REMOTE_SCRIPT::SetUserNotifier(USER_PTR u) +void REMOTE_SCRIPT::UnSetUserNotifiers(USER_PTR u) { -RS_CHG_AFTER_NOTIFIER afterChgIPNotifier(*this, u); - -afterChgIPNotifierList.push_front(afterChgIPNotifier); +ipNotifierList.erase(std::remove_if(ipNotifierList.begin(), + ipNotifierList.end(), + USER_IS(u)), + ipNotifierList.end()); +connNotifierList.erase(std::remove_if(connNotifierList.begin(), + connNotifierList.end(), + USER_IS(u)), + connNotifierList.end()); -u->AddCurrIPAfterNotifier(&(*afterChgIPNotifierList.begin())); } //----------------------------------------------------------------------------- -void REMOTE_SCRIPT::UnSetUserNotifier(USER_PTR u) +void REMOTE_SCRIPT::AddRSU(USER_PTR user) { -list >::iterator ipAIter; -std::list >::iterator> toErase; +RS::USER rsu(IP2Routers(user->GetCurrIP()), user); +Send(rsu); -for (ipAIter = afterChgIPNotifierList.begin(); ipAIter != afterChgIPNotifierList.end(); ++ipAIter) +STG_LOCKER lock(&mutex); +authorizedUsers.insert(std::make_pair(user->GetCurrIP(), rsu)); +} +//----------------------------------------------------------------------------- +void REMOTE_SCRIPT::DelRSU(USER_PTR user) +{ +STG_LOCKER lock(&mutex); +std::map::iterator it(authorizedUsers.begin()); +while (it != authorizedUsers.end()) { - if (ipAIter->GetUser() == u) + if (it->second.user == user) { - u->DelCurrIPAfterNotifier(&(*ipAIter)); - toErase.push_back(ipAIter); + Send(it->second, true); + authorizedUsers.erase(it); + return; } + ++it; } - -std::list >::iterator>::iterator eIter; - -for (eIter = toErase.begin(); eIter != toErase.end(); ++eIter) +/*const std::map::iterator it( + authorizedUsers.find(user->GetCurrIP()) + ); +if (it != authorizedUsers.end()) { - afterChgIPNotifierList.erase(*eIter); - } + Send(it->second, true); + authorizedUsers.erase(it); + }*/ } //----------------------------------------------------------------------------- -template -void RS_CHG_AFTER_NOTIFIER::Notify(const varParamType & oldValue, const varParamType & newValue) +void RS::IP_NOTIFIER::Notify(const uint32_t & /*oldValue*/, const uint32_t & newValue) { -rs.ChangedIP(user, oldValue, newValue); +if (newValue) + rs.AddRSU(user); +else + rs.DelRSU(user); +} +//----------------------------------------------------------------------------- +void RS::CONNECTED_NOTIFIER::Notify(const bool & /*oldValue*/, const bool & newValue) +{ +if (newValue) + rs.AddRSU(user); +else + rs.DelRSU(user); } //----------------------------------------------------------------------------- -void REMOTE_SCRIPT::InitEncrypt(BLOWFISH_CTX * ctx, const string & password) const +void REMOTE_SCRIPT::InitEncrypt(BLOWFISH_CTX * ctx, const std::string & password) const { unsigned char keyL[PASSWD_LEN]; // Пароль для шифровки memset(keyL, 0, PASSWD_LEN); @@ -653,11 +592,11 @@ strncpy((char *)keyL, password.c_str(), PASSWD_LEN); Blowfish_Init(ctx, keyL, PASSWD_LEN); } //----------------------------------------------------------------------------- -void REMOTE_SCRIPT::Encrypt(BLOWFISH_CTX * ctx, char * dst, const char * src, size_t len8) const +void REMOTE_SCRIPT::Encrypt(BLOWFISH_CTX * ctx, void * dst, const void * src, size_t len8) const { if (dst != src) memcpy(dst, src, len8 * 8); for (size_t i = 0; i < len8; ++i) - Blowfish_Encrypt(ctx, (uint32_t *)(dst + i * 8), (uint32_t *)(dst + i * 8 + 4)); + Blowfish_Encrypt(ctx, static_cast(dst) + i * 2, static_cast(dst) + i * 2 + 1); } //-----------------------------------------------------------------------------