diff options
author | brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7> | 2007-10-23 22:30:25 +0000 |
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committer | brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7> | 2007-10-23 22:30:25 +0000 |
commit | cbb8fda4a7e763738e9675ec9f96286c87879176 (patch) | |
tree | 0ed6862e3b9f5f35ea86ea57e8a799f038523c28 /include/socketengine_iocp.h | |
parent | 71e400674fc9abc16b29004eff6fe18dd1c75f4e (diff) |
Move socketengines into their own dir. This was all w00t's idea, but i told him no because i didnt think it would work. Now ive done it myself :P ner ner ne ner ner :)
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@8332 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'include/socketengine_iocp.h')
-rw-r--r-- | include/socketengine_iocp.h | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/include/socketengine_iocp.h b/include/socketengine_iocp.h deleted file mode 100644 index b024828f1..000000000 --- a/include/socketengine_iocp.h +++ /dev/null @@ -1,242 +0,0 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/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 "globals.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. - */ - 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(InspIRCd* Instance); - - /** 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); - - /** 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(); - - /** Queues a Write event on the specified event handler. - * @param eh EventHandler that needs data sent on - */ - void WantWrite(EventHandler* eh); - - /** 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); -}; - -/** Creates a SocketEngine - */ -class SocketEngineFactory -{ -public: - /** Create a new instance of SocketEngine based on IOCPEngine - */ - SocketEngine* Create(InspIRCd* Instance) { return new IOCPEngine(Instance); } -}; - -#endif - |