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-rw-r--r--src/socketengines/socketengine_iocp.cpp753
-rw-r--r--src/socketengines/socketengine_select.cpp3
2 files changed, 1 insertions, 755 deletions
diff --git a/src/socketengines/socketengine_iocp.cpp b/src/socketengines/socketengine_iocp.cpp
deleted file mode 100644
index 17c439c5b..000000000
--- a/src/socketengines/socketengine_iocp.cpp
+++ /dev/null
@@ -1,753 +0,0 @@
-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
- *
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
- *
- * This program is free but copyrighted software; see
- * the file COPYING for details.
- *
- * ---------------------------------------------------
- */
-
-#include "inspircd_config.h"
-#ifdef CONFIG_USE_IOCP
-
-#ifndef __SOCKETENGINE_IOCP__
-#define __SOCKETENGINE_IOCP__
-
-#include "inspircd_win32wrapper.h"
-#include "inspircd.h"
-#include "socketengine.h"
-
-#define READ_BUFFER_SIZE 600
-#define USING_IOCP 1
-
-/** Socket overlapped event types
- */
-enum SocketIOEvent
-{
- /** Read ready */
- SOCKET_IO_EVENT_READ_READY = 0,
- /** Write ready */
- SOCKET_IO_EVENT_WRITE_READY = 1,
- /** Accept ready */
- SOCKET_IO_EVENT_ACCEPT = 2,
- /** Error occured */
- SOCKET_IO_EVENT_ERROR = 3,
- /** Number of events */
- NUM_SOCKET_IO_EVENTS = 4,
-};
-
-/** Represents a windows overlapped IO event
- */
-class Overlapped
-{
- public:
- /** Overlap event */
- OVERLAPPED m_overlap;
- /** Type of event */
- SocketIOEvent m_event;
-#ifdef WIN64
- /** Parameters */
- unsigned __int64 m_params;
-#else
- /** Parameters */
- unsigned long m_params;
-#endif
- /** Create an overlapped event
- */
- Overlapped(SocketIOEvent ev, int params) : m_event(ev), m_params(params)
- {
- memset(&m_overlap, 0, sizeof(OVERLAPPED));
- }
-};
-
-/** Specific to UDP sockets with overlapped IO
- */
-struct udp_overlap
-{
- unsigned char udp_buffer[600];
- unsigned long udp_len;
- sockaddr udp_sockaddr[2];
- unsigned long udp_sockaddr_len;
-};
-
-/** Specific to accepting sockets with overlapped IO
- */
-struct accept_overlap
-{
- int socket;
- char buf[1024];
-};
-
-/** Implementation of SocketEngine that implements windows IO Completion Ports
- */
-class IOCPEngine : public SocketEngine
-{
- /** Creates a "fake" file descriptor for use with an IOCP socket.
- * This is a little slow, but it isnt called too much. We'll fix it
- * in a future release.
- * @return -1 if there are no free slots, and an integer if it finds one.
- */
- __inline int GenerateFd(int RealFd)
- {
- int index_hash = RealFd % MAX_DESCRIPTORS;
- if(ref[index_hash] == 0)
- return index_hash;
- else
- {
- register int i = 0;
- for(; i < MAX_DESCRIPTORS; ++i)
- if(ref[i] == 0)
- return i;
- }
- return -1;
- }
-
- /** Global I/O completion port that sockets attach to.
- */
- HANDLE m_completionPort;
-
- /** This is kinda shitty... :/ for getting an address from a real fd.
- */
- std::map<int, EventHandler*> m_binding;
-
- LocalIntExt fdExt;
- LocalIntExt readExt;
- LocalIntExt writeExt;
- LocalIntExt acceptExt;
-
-public:
- /** Holds the preallocated buffer passed to WSARecvFrom
- * function. Yes, I know, it's a dirty hack.
- */
- udp_overlap * udp_ov;
-
- /** Creates an IOCP Socket Engine
- * @param Instance The creator of this object
- */
- IOCPEngine();
-
- /** Deletes an IOCP socket engine and all the attached sockets
- */
- ~IOCPEngine();
-
- /** Adds an event handler to the completion port, and sets up initial events.
- * @param eh EventHandler to add
- * @return True if success, false if no room
- */
- bool AddFd(EventHandler* eh, int event_mask);
-
- /** Gets the maximum number of file descriptors that this engine can handle.
- * @return The number of file descriptors
- */
- __inline int GetMaxFds() { return MAX_DESCRIPTORS; }
-
- /** Gets the number of free/remaining file descriptors under this engine.
- * @return Remaining count
- */
- __inline int GetRemainingFds()
- {
- register int count = 0;
- register int i = 0;
- for(; i < MAX_DESCRIPTORS; ++i)
- if(ref[i] == 0)
- ++count;
- return count;
- }
-
- /** Removes a file descriptor from the set, preventing it from receiving any more events
- * @return True if remove was successful, false otherwise
- */
- bool DelFd(EventHandler* eh, bool force = false);
-
- /** Called every loop to handle input/output events for all sockets under this engine
- * @return The number of "changed" sockets.
- */
- int DispatchEvents();
-
- /** Gets the name of this socket engine as a string.
- * @return string of socket engine name
- */
- std::string GetName();
-
- void OnSetEvent(EventHandler* eh, int old_mask, int new_mask);
-
- /** Posts a completion event on the specified socket.
- * @param eh EventHandler for message
- * @param type Event Type
- * @param param Event Parameter
- * @return True if added, false if not
- */
- bool PostCompletionEvent(EventHandler* eh, SocketIOEvent type, int param);
-
- /** Posts a read event on the specified socket
- * @param eh EventHandler (socket)
- */
- void PostReadEvent(EventHandler* eh);
-
- /** Posts an accept event on the specified socket
- * @param eh EventHandler (socket)
- */
- void PostAcceptEvent(EventHandler* eh);
-
- /** Returns the EventHandler attached to a specific fd.
- * If the fd isnt in the socketengine, returns NULL.
- * @param fd The event handler to look for
- * @return A pointer to the event handler, or NULL
- */
- EventHandler* GetRef(int fd);
-
- /** Returns true if a file descriptor exists in
- * the socket engine's list.
- * @param fd The event handler to look for
- * @return True if this fd has an event handler
- */
- bool HasFd(int fd);
-
- /** Returns the EventHandler attached to a specific fd.
- * If the fd isnt in the socketengine, returns NULL.
- * @param fd The event handler to look for
- * @return A pointer to the event handler, or NULL
- */
- EventHandler* GetIntRef(int fd);
-
- bool BoundsCheckFd(EventHandler* eh);
-
- virtual int Accept(EventHandler* fd, sockaddr *addr, socklen_t *addrlen);
-
- virtual int RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen);
-
- virtual int Blocking(int fd);
-
- virtual int NonBlocking(int fd);
-
- virtual int GetSockName(EventHandler* fd, sockaddr *name, socklen_t* namelen);
-
- virtual int Close(int fd);
-
- virtual int Close(EventHandler* fd);
-};
-
-#endif
-
-#include "exitcodes.h"
-#include <mswsock.h>
-
-IOCPEngine::IOCPEngine()
-: fdExt("internal_fd", NULL),
- readExt("windows_readevent", NULL),
- writeExt("windows_writeevent", NULL),
- acceptExt("windows_acceptevent", NULL)
-{
- MAX_DESCRIPTORS = 10240;
-
- /* Create completion port */
- m_completionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, (ULONG_PTR)0, 0);
-
- if (!m_completionPort)
- {
- ServerInstance->Logs->Log("SOCKET",DEFAULT, "ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
- ServerInstance->Logs->Log("SOCKET",DEFAULT, "ERROR: this is a fatal error, exiting now.");
- printf("ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.\n");
- printf("ERROR: this is a fatal error, exiting now.\n");
- ServerInstance->Exit(EXIT_STATUS_SOCKETENGINE);
- }
-
- /* Null variables out. */
- CurrentSetSize = 0;
- MAX_DESCRIPTORS = 10240;
- ref = new EventHandler* [10240];
- memset(ref, 0, sizeof(EventHandler*) * MAX_DESCRIPTORS);
-}
-
-IOCPEngine::~IOCPEngine()
-{
- /* Clean up winsock and close completion port */
- CloseHandle(m_completionPort);
- WSACleanup();
- delete[] ref;
-}
-
-bool IOCPEngine::AddFd(EventHandler* eh, int event_mask)
-{
- /* Does it at least look valid? */
- if (!eh)
- return false;
-
- int* fake_fd = new int(GenerateFd(eh->GetFd()));
- int is_accept = 0;
- int opt_len = sizeof(int);
-
- /* In range? */
- if ((*fake_fd < 0) || (*fake_fd > MAX_DESCRIPTORS))
- {
- delete fake_fd;
- return false;
- }
-
- /* Already an entry here */
- if (ref[*fake_fd])
- {
- delete fake_fd;
- return false;
- }
-
- /* are we a listen socket? */
- getsockopt(eh->GetFd(), SOL_SOCKET, SO_ACCEPTCONN, (char*)&is_accept, &opt_len);
-
- /* set up the read event so the socket can actually receive data :P */
- fdExt.set(eh, *fake_fd);
-
- unsigned long completion_key = (ULONG_PTR)*fake_fd;
- /* assign the socket to the completion port */
- if (!CreateIoCompletionPort((HANDLE)eh->GetFd(), m_completionPort, completion_key, 0))
- return false;
-
- /* setup initial events */
- if(is_accept)
- PostAcceptEvent(eh);
- else
- PostReadEvent(eh);
-
- /* log message */
- ServerInstance->Logs->Log("SOCKET",DEBUG, "New fake fd: %u, real fd: %u, address 0x%p", *fake_fd, eh->GetFd(), eh);
-
- /* post a write event if there is data to be written */
- if (event_mask & (FD_WANT_POLL_WRITE | FD_WANT_FAST_WRITE | FD_WANT_SINGLE_WRITE))
- OnSetEvent(eh, event_mask, event_mask);
-
- /* we're all good =) */
- try
- {
- m_binding.insert( std::map<int, EventHandler*>::value_type( eh->GetFd(), eh ) );
- }
- catch (...)
- {
- /* Ohshi-, map::insert failed :/ */
- return false;
- }
-
- ++CurrentSetSize;
- SocketEngine::SetEventMask(eh, event_mask);
- ref[*fake_fd] = eh;
-
- return true;
-}
-
-bool IOCPEngine::DelFd(EventHandler* eh, bool force /* = false */)
-{
- if (!eh)
- return false;
-
- int* fake_fd = (int*)fdExt.get(eh);
-
- if (!fake_fd)
- return false;
-
- int fd = eh->GetFd();
-
- void* m_readEvent = (void*)readExt.get(eh);
- void* m_writeEvent = (void*)writeExt.get(eh);
- void* m_acceptEvent = (void*)acceptExt.get(eh);
-
- ServerInstance->Logs->Log("SOCKET",DEBUG, "Removing fake fd %u, real fd %u, address 0x%p", *fake_fd, eh->GetFd(), eh);
-
- /* Cancel pending i/o operations. */
- if (CancelIo((HANDLE)fd) == FALSE)
- return false;
-
- /* Free the buffer, and delete the event. */
- if (m_readEvent)
- {
- if(((Overlapped*)m_readEvent)->m_params != 0)
- delete ((udp_overlap*)((Overlapped*)m_readEvent)->m_params);
-
- delete ((Overlapped*)m_readEvent);
- readExt.free(eh);
- }
-
- if(m_writeEvent)
- {
- delete ((Overlapped*)m_writeEvent);
- writeExt.free(eh);
- }
-
- if(m_acceptEvent)
- {
- delete ((accept_overlap*)((Overlapped*)m_acceptEvent)->m_params);
- delete ((Overlapped*)m_acceptEvent);
- acceptExt.free(eh);
- }
-
- /* Clear binding */
- ref[*fake_fd] = 0;
- m_binding.erase(eh->GetFd());
-
- delete fake_fd;
- fdExt.free(eh);
-
- /* decrement set size */
- --CurrentSetSize;
-
- /* success */
- return true;
-}
-
-void IOCPEngine::OnSetEvent(EventHandler* eh, int old_mask, int new_mask)
-{
- if (!eh)
- return;
-
- void* m_writeEvent = (void*)writeExt.get(eh);
-
- int* fake_fd = (int*)fdExt.get(eh);
- if (!fake_fd)
- return;
-
- /* Post event - write begin */
- if((new_mask & (FD_WANT_POLL_WRITE | FD_WANT_FAST_WRITE | FD_WANT_SINGLE_WRITE)) && !m_writeEvent)
- {
- ULONG_PTR completion_key = (ULONG_PTR)*fake_fd;
- Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_WRITE_READY, 0);
- writeExt.free(eh);
- writeExt.set(eh, (intptr_t)ov);
- PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap);
- }
-}
-
-bool IOCPEngine::PostCompletionEvent(EventHandler * eh, SocketIOEvent type, int param)
-{
- if (!eh)
- return false;
-
- int* fake_fd = (int*)fdExt.get(eh);
- if (!fake_fd)
- return false;
-
- Overlapped * ov = new Overlapped(type, param);
- ULONG_PTR completion_key = (ULONG_PTR)*fake_fd;
- return PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap);
-}
-
-void IOCPEngine::PostReadEvent(EventHandler * eh)
-{
- if (!eh)
- return;
-
- Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_READ_READY, 0);
- DWORD flags = 0;
- DWORD r_length = 0;
- WSABUF buf;
-
- /* by passing a null buffer pointer, we can have this working in the same way as epoll..
- * its slower, but it saves modifying all network code.
- */
- buf.buf = 0;
- buf.len = 0;
-
- /* determine socket type. */
- DWORD sock_type;
- int sock_len = sizeof(DWORD);
- if(getsockopt(eh->GetFd(), SOL_SOCKET, SO_TYPE, (char*)&sock_type, &sock_len) == -1)
- {
- /* wtfhax? */
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0);
- delete ov;
- return;
- }
- switch(sock_type)
- {
- case SOCK_DGRAM: /* UDP Socket */
- {
- udp_overlap * uv = new udp_overlap;
- uv->udp_sockaddr_len = sizeof(sockaddr);
- buf.buf = (char*)uv->udp_buffer;
- buf.len = sizeof(uv->udp_buffer);
- ov->m_params = (unsigned long)uv;
- if(WSARecvFrom(eh->GetFd(), &buf, 1, &uv->udp_len, &flags, uv->udp_sockaddr, (LPINT)&uv->udp_sockaddr_len, &ov->m_overlap, 0))
- {
- int err = WSAGetLastError();
- if(err != WSA_IO_PENDING)
- {
- delete ov;
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0);
- return;
- }
- }
- }
- break;
-
- case SOCK_STREAM: /* TCP Socket */
- {
- if(WSARecv(eh->GetFd(), &buf, 1, &r_length, &flags, &ov->m_overlap, 0) == SOCKET_ERROR)
- {
- if(WSAGetLastError() != WSA_IO_PENDING)
- {
- delete ov;
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0);
- return;
- }
- }
- }
- break;
-
- default:
- {
- printf("unknwon socket type: %u\n", sock_type);
- return;
- }
- break;
- }
- readExt.set(eh, (intptr_t)ov);
-}
-
-int IOCPEngine::DispatchEvents()
-{
- DWORD len;
- LPOVERLAPPED overlap;
- Overlapped * ov;
- EventHandler * eh;
- ULONG_PTR intfd;
- int ret;
- unsigned long bytes_recv;
-
- while (GetQueuedCompletionStatus(m_completionPort, &len, &intfd, &overlap, 1000))
- {
- if (intfd > (unsigned long)MAX_DESCRIPTORS)
- continue;
-
- // woot, we got an event on a socket :P
- eh = ref[intfd];
- ov = CONTAINING_RECORD(overlap, Overlapped, m_overlap);
-
- if (eh == 0)
- continue;
-
- TotalEvents++;
-
- switch(ov->m_event)
- {
- case SOCKET_IO_EVENT_WRITE_READY:
- {
- WriteEvents++;
- writeExt.free(eh);
- SetEventMask(eh, eh->GetEventMask() & ~FD_WRITE_WILL_BLOCK);
- eh->HandleEvent(EVENT_WRITE, 0);
- }
- break;
-
- case SOCKET_IO_EVENT_READ_READY:
- {
- ReadEvents++;
- SetEventMask(eh, eh->GetEventMask() & ~FD_READ_WILL_BLOCK);
- if(ov->m_params)
- {
- // if we had params, it means we are a udp socket with a udp_overlap pointer in this long.
- udp_overlap * uv = (udp_overlap*)ov->m_params;
- uv->udp_len = len;
- this->udp_ov = uv;
- readExt.free(eh);
- eh->HandleEvent(EVENT_READ, 0);
- this->udp_ov = 0;
- delete uv;
- PostReadEvent(eh);
- }
- else
- {
- ret = ioctlsocket(eh->GetFd(), FIONREAD, &bytes_recv);
- readExt.free(eh);
- if(ret != 0 || bytes_recv == 0)
- {
- /* end of file */
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, EIO); /* Old macdonald had an error, EIEIO. */
- }
- else
- {
- eh->HandleEvent(EVENT_READ, 0);
- PostReadEvent(eh);
- }
- }
- }
- break;
-
- case SOCKET_IO_EVENT_ACCEPT:
- {
- /* this is kinda messy.. :/ */
- ReadEvents++;
- eh->HandleEvent(EVENT_READ, ov->m_params);
- delete ((accept_overlap*)ov->m_params);
- acceptExt.free(eh);
- PostAcceptEvent(eh);
- }
- break;
-
- case SOCKET_IO_EVENT_ERROR:
- {
- ErrorEvents++;
- eh->HandleEvent(EVENT_ERROR, ov->m_params);
- }
- break;
- }
-
- delete ov;
- }
-
- return 0;
-}
-
-void IOCPEngine::PostAcceptEvent(EventHandler * eh)
-{
- if (!eh)
- return;
-
- int on = 1;
- u_long arg = 1;
- struct linger linger = { 0 };
-
- int fd = WSASocket(AF_INET, SOCK_STREAM, 0, 0, 0, WSA_FLAG_OVERLAPPED);
-
- setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on));
- /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
- linger.l_onoff = 1;
- linger.l_linger = 1;
- setsockopt(fd, SOL_SOCKET, SO_LINGER, (char*)&linger,sizeof(linger));
- ioctlsocket(fd, FIONBIO, &arg);
-
- int len = sizeof(sockaddr_in) + 16;
- DWORD dwBytes;
- accept_overlap* ao = new accept_overlap;
- memset(ao->buf, 0, 1024);
- ao->socket = fd;
-
- Overlapped* ov = new Overlapped(SOCKET_IO_EVENT_ACCEPT, (int)ao);
- acceptExt.set(eh, (intptr_t)ov);
-
- if(AcceptEx(eh->GetFd(), fd, ao->buf, 0, len, len, &dwBytes, &ov->m_overlap) == FALSE)
- {
- int err = WSAGetLastError();
- if(err != WSA_IO_PENDING)
- {
- printf("PostAcceptEvent err: %d\n", err);
- }
- }
-}
-
-
-std::string IOCPEngine::GetName()
-{
- return "iocp";
-}
-
-EventHandler * IOCPEngine::GetRef(int fd)
-{
- std::map<int, EventHandler*>::iterator itr = m_binding.find(fd);
- return (itr == m_binding.end()) ? 0 : itr->second;
-}
-
-bool IOCPEngine::HasFd(int fd)
-{
- return (GetRef(fd) != 0);
-}
-
-bool IOCPEngine::BoundsCheckFd(EventHandler* eh)
-{
- int* internal_fd = (int*)fdExt.get(eh);
- if (!eh || eh->GetFd() < 0)
- return false;
-
- if(!internal_fd)
- return false;
-
- if(*internal_fd > MAX_DESCRIPTORS)
- return false;
-
- return true;
-}
-
-EventHandler * IOCPEngine::GetIntRef(int fd)
-{
- if(fd < 0 || fd > MAX_DESCRIPTORS)
- return 0;
- return ref[fd];
-}
-
-int IOCPEngine::Accept(EventHandler* fd, sockaddr *addr, socklen_t *addrlen)
-{
- //SOCKET s = fd->GetFd();
-
- Overlapped* acceptevent = (Overlapped*)acceptExt.get(fd);
- if (!acceptevent)
- /* Shit, no accept event on this socket! :( */
- return -1;
-
- Overlapped* ovl = acceptevent;
- accept_overlap* ov = (accept_overlap*)ovl->m_params;
-
- //sockaddr_in* server_address = (sockaddr_in*)&ov->buf[10];
- sockaddr_in* client_address = (sockaddr_in*)&ov->buf[38];
-
- memcpy(addr, client_address, sizeof(sockaddr_in));
- *addrlen = sizeof(sockaddr_in);
-
- return ov->socket;
-}
-
-int IOCPEngine::GetSockName(EventHandler* fd, sockaddr *name, socklen_t* namelen)
-{
- Overlapped* ovl = (Overlapped*)acceptExt.get(fd);
-
- if (!ovl)
- return -1;
-
- accept_overlap* ov = (accept_overlap*)ovl->m_params;
-
- sockaddr_in* server_address = (sockaddr_in*)&ov->buf[10];
- //sockaddr_in* client_address = (sockaddr_in*)&ov->buf[38];
-
- memcpy(name, server_address, sizeof(sockaddr_in));
- *namelen = sizeof(sockaddr_in);
-
- return 0;
-}
-
-int IOCPEngine::RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen)
-{
- this->UpdateStats(len, 0);
- udp_overlap* ov = (udp_overlap*)readExt.get(fd);
- if (!ov)
- return -1;
- memcpy(buf, ov->udp_buffer, ov->udp_len);
- memcpy(from, ov->udp_sockaddr, *fromlen);
- return ov->udp_len;
-}
-
-int IOCPEngine::Blocking(int fd)
-{
- unsigned long opt = 0;
- return ioctlsocket(fd, FIONBIO, &opt);
-}
-
-int IOCPEngine::NonBlocking(int fd)
-{
- unsigned long opt = 1;
- return ioctlsocket(fd, FIONBIO, &opt);
-}
-
-int IOCPEngine::Close(int fd)
-{
- return closesocket(fd);
-}
-
-int IOCPEngine::Close(EventHandler* fd)
-{
- return this->Close(fd->GetFd());
-}
-
-SocketEngine* CreateSocketEngine()
-{
- return new IOCPEngine;
-}
-#endif \ No newline at end of file
diff --git a/src/socketengines/socketengine_select.cpp b/src/socketengines/socketengine_select.cpp
index 6965ee771..7767a86c3 100644
--- a/src/socketengines/socketengine_select.cpp
+++ b/src/socketengines/socketengine_select.cpp
@@ -12,7 +12,6 @@
*/
#include "inspircd_config.h"
-#ifndef CONFIG_USE_IOCP
#include "inspircd.h"
#include "socketengine.h"
@@ -101,7 +100,7 @@ int SelectEngine::DispatchEvents()
FD_ZERO(&rfdset);
FD_ZERO(&errfdset);
- /* Populate the select FD sets (this is why select sucks compared to epoll, kqueue, IOCP) */
+ /* Populate the select FD sets (this is why select sucks compared to epoll, kqueue) */
for (unsigned int i = 0; i < FD_SETSIZE; i++)
{
EventHandler* eh = ref[i];
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 20:42:53 +0000