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-rw-r--r--src/socketengines/socketengine_epoll.cpp34
-rw-r--r--src/socketengines/socketengine_iocp.cpp234
-rw-r--r--src/socketengines/socketengine_kqueue.cpp61
-rw-r--r--src/socketengines/socketengine_poll.cpp70
-rw-r--r--src/socketengines/socketengine_ports.cpp60
-rw-r--r--src/socketengines/socketengine_select.cpp52
6 files changed, 505 insertions, 6 deletions
diff --git a/src/socketengines/socketengine_epoll.cpp b/src/socketengines/socketengine_epoll.cpp
index 059798d25..c1b22ffba 100644
--- a/src/socketengines/socketengine_epoll.cpp
+++ b/src/socketengines/socketengine_epoll.cpp
@@ -11,10 +11,38 @@
* ---------------------------------------------------
*/
+#include <vector>
+#include <string>
+#include <map>
#include "inspircd.h"
#include "exitcodes.h"
-#include "socketengines/socketengine_epoll.h"
+#include "socketengine.h"
+#include <sys/epoll.h>
#include <ulimit.h>
+#define EP_DELAY 5
+
+/** A specialisation of the SocketEngine class, designed to use linux 2.6 epoll().
+ */
+class EPollEngine : public SocketEngine
+{
+private:
+ /** These are used by epoll() to hold socket events
+ */
+ struct epoll_event* events;
+ int EngineHandle;
+public:
+ /** Create a new EPollEngine
+ */
+ EPollEngine();
+ /** Delete an EPollEngine
+ */
+ virtual ~EPollEngine();
+ virtual bool AddFd(EventHandler* eh, int event_mask);
+ virtual void OnSetEvent(EventHandler* eh, int old_mask, int new_mask);
+ virtual bool DelFd(EventHandler* eh, bool force = false);
+ virtual int DispatchEvents();
+ virtual std::string GetName();
+};
EPollEngine::EPollEngine()
{
@@ -216,3 +244,7 @@ std::string EPollEngine::GetName()
return "epoll";
}
+SocketEngine* CreateSocketEngine()
+{
+ return new EPollEngine;
+}
diff --git a/src/socketengines/socketengine_iocp.cpp b/src/socketengines/socketengine_iocp.cpp
index c253bf0a6..ad45ce5ce 100644
--- a/src/socketengines/socketengine_iocp.cpp
+++ b/src/socketengines/socketengine_iocp.cpp
@@ -11,7 +11,234 @@
* ---------------------------------------------------
*/
-#include "socketengines/socketengine_iocp.h"
+/* +------------------------------------+
+ * | 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#ifndef __SOCKETENGINE_IOCP__
+#define __SOCKETENGINE_IOCP__
+
+#define READ_BUFFER_SIZE 600
+#define USING_IOCP 1
+
+#include "inspircd_config.h"
+#include "inspircd_win32wrapper.h"
+#include "inspircd.h"
+#include "socketengine.h"
+
+/** 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;
+
+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>
@@ -526,3 +753,8 @@ int IOCPEngine::Close(EventHandler* fd)
{
return this->Close(fd->GetFd());
}
+
+SocketEngine* CreateSocketEngine()
+{
+ return new IOCPEngine;
+}
diff --git a/src/socketengines/socketengine_kqueue.cpp b/src/socketengines/socketengine_kqueue.cpp
index d05ee438d..0550ae051 100644
--- a/src/socketengines/socketengine_kqueue.cpp
+++ b/src/socketengines/socketengine_kqueue.cpp
@@ -16,7 +16,61 @@
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
-#include "socketengines/socketengine_kqueue.h"
+/* +------------------------------------+
+ * | 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#ifndef __SOCKETENGINE_KQUEUE__
+#define __SOCKETENGINE_KQUEUE__
+
+#include <vector>
+#include <string>
+#include <map>
+#include "inspircd_config.h"
+#include "inspircd.h"
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+#include "socketengine.h"
+
+/** A specialisation of the SocketEngine class, designed to use FreeBSD kqueue().
+ */
+class KQueueEngine : public SocketEngine
+{
+private:
+ int EngineHandle;
+ /** These are used by kqueue() to hold socket events
+ */
+ struct kevent* ke_list;
+ /** This is a specialised time value used by kqueue()
+ */
+ struct timespec ts;
+public:
+ /** Create a new KQueueEngine
+ */
+ KQueueEngine();
+ /** Delete a KQueueEngine
+ */
+ virtual ~KQueueEngine();
+ bool AddFd(EventHandler* eh, int event_mask);
+ void OnSetEvent(EventHandler* eh, int old_mask, int new_mask);
+ virtual bool DelFd(EventHandler* eh, bool force = false);
+ virtual int DispatchEvents();
+ virtual std::string GetName();
+ virtual void RecoverFromFork();
+};
+
+#endif
+
#include <sys/sysctl.h>
KQueueEngine::KQueueEngine()
@@ -203,3 +257,8 @@ std::string KQueueEngine::GetName()
{
return "kqueue";
}
+
+SocketEngine* CreateSocketEngine()
+{
+ return new KQueueEngine;
+}
diff --git a/src/socketengines/socketengine_poll.cpp b/src/socketengines/socketengine_poll.cpp
index a72d21d1f..16917ffbc 100644
--- a/src/socketengines/socketengine_poll.cpp
+++ b/src/socketengines/socketengine_poll.cpp
@@ -13,7 +13,71 @@
#include "inspircd.h"
#include "exitcodes.h"
-#include "socketengines/socketengine_poll.h"
+/* +------------------------------------+
+ * | 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#ifndef __SOCKETENGINE_POLL__
+#define __SOCKETENGINE_POLL__
+
+#include <vector>
+#include <string>
+#include <map>
+#include "inspircd_config.h"
+#include "inspircd.h"
+#include "socketengine.h"
+
+#ifndef WINDOWS
+ #ifndef __USE_XOPEN
+ #define __USE_XOPEN /* fuck every fucking OS ever made. needed by poll.h to work.*/
+ #endif
+ #include <poll.h>
+ #include <sys/poll.h>
+#else
+ /* *grumble* */
+ #define struct pollfd WSAPOLLFD
+ #define poll WSAPoll
+#endif
+
+class InspIRCd;
+
+/** A specialisation of the SocketEngine class, designed to use poll().
+ */
+class PollEngine : public SocketEngine
+{
+private:
+ /** These are used by poll() to hold socket events
+ */
+ struct pollfd *events;
+ /** This map maps fds to an index in the events array.
+ */
+ std::map<int, unsigned int> fd_mappings;
+public:
+ /** Create a new PollEngine
+ */
+ PollEngine();
+ /** Delete a PollEngine
+ */
+ virtual ~PollEngine();
+ virtual bool AddFd(EventHandler* eh, int event_mask);
+ virtual void OnSetEvent(EventHandler* eh, int old_mask, int new_mask);
+ virtual EventHandler* GetRef(int fd);
+ virtual bool DelFd(EventHandler* eh, bool force = false);
+ virtual int DispatchEvents();
+ virtual std::string GetName();
+};
+
+#endif
+
#include <ulimit.h>
#ifdef __FreeBSD__
#include <sys/sysctl.h>
@@ -225,3 +289,7 @@ std::string PollEngine::GetName()
return "poll";
}
+SocketEngine* CreateSocketEngine()
+{
+ return new PollEngine;
+}
diff --git a/src/socketengines/socketengine_ports.cpp b/src/socketengines/socketengine_ports.cpp
index d23857f50..28dfdf4e4 100644
--- a/src/socketengines/socketengine_ports.cpp
+++ b/src/socketengines/socketengine_ports.cpp
@@ -14,7 +14,61 @@
#include "inspircd.h"
#include "exitcodes.h"
#include <port.h>
-#include "socketengines/socketengine_ports.h"
+/* +------------------------------------+
+ * | 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#ifndef __SOCKETENGINE_PORTS__
+#define __SOCKETENGINE_PORTS__
+
+#ifndef __sun
+# error You need Solaris 10 or later to make use of this code.
+#endif
+
+#include <vector>
+#include <string>
+#include <map>
+#include "inspircd_config.h"
+#include "inspircd.h"
+#include "socketengine.h"
+#include <port.h>
+
+/** A specialisation of the SocketEngine class, designed to use solaris 10 I/O completion ports
+ */
+class PortsEngine : public SocketEngine
+{
+private:
+ /** These are used by epoll() to hold socket events
+ */
+ port_event_t* events;
+public:
+ /** Create a new PortsEngine
+ * @param Instance The creator of this object
+ */
+ PortsEngine();
+ /** Delete a PortsEngine
+ */
+ virtual ~PortsEngine();
+ virtual bool AddFd(EventHandler* eh, int event_mask);
+ void OnSetEvent(EventHandler* eh, int old_event, int new_event);
+ virtual bool DelFd(EventHandler* eh, bool force = false);
+ virtual int DispatchEvents();
+ virtual std::string GetName();
+ virtual void WantWrite(EventHandler* eh);
+};
+
+#endif
+
+
#include <ulimit.h>
PortsEngine::PortsEngine()
@@ -163,3 +217,7 @@ std::string PortsEngine::GetName()
return "ports";
}
+SocketEngine* CreateSocketEngine()
+{
+ return new PortsEngine;
+}
diff --git a/src/socketengines/socketengine_select.cpp b/src/socketengines/socketengine_select.cpp
index b35558a70..f0668aafb 100644
--- a/src/socketengines/socketengine_select.cpp
+++ b/src/socketengines/socketengine_select.cpp
@@ -15,7 +15,52 @@
#ifndef WINDOWS
#include <sys/select.h>
#endif // WINDOWS
-#include "socketengines/socketengine_select.h"
+/* +------------------------------------+
+ * | 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#ifndef __SOCKETENGINE_SELECT__
+#define __SOCKETENGINE_SELECT__
+
+#include <vector>
+#include <string>
+#include <map>
+#ifndef WINDOWS
+#include <sys/select.h>
+#endif // WINDOWS
+#include "inspircd_config.h"
+#include "inspircd.h"
+#include "socketengine.h"
+
+/** A specialisation of the SocketEngine class, designed to use traditional select().
+ */
+class SelectEngine : public SocketEngine
+{
+public:
+ /** Create a new SelectEngine
+ */
+ SelectEngine();
+ /** Delete a SelectEngine
+ */
+ virtual ~SelectEngine();
+ virtual bool AddFd(EventHandler* eh, int event_mask);
+ virtual bool DelFd(EventHandler* eh, bool force = false);
+ void OnSetEvent(EventHandler* eh, int, int);
+ virtual int DispatchEvents();
+ virtual std::string GetName();
+};
+
+#endif
+
SelectEngine::SelectEngine()
@@ -148,3 +193,8 @@ std::string SelectEngine::GetName()
{
return "select";
}
+
+SocketEngine* CreateSocketEngine()
+{
+ return new SelectEngine;
+}