summaryrefslogtreecommitdiff
path: root/include/socket.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/socket.h')
-rw-r--r--include/socket.h350
1 files changed, 13 insertions, 337 deletions
diff --git a/include/socket.h b/include/socket.h
index caa1490b5..b7b2b3d40 100644
--- a/include/socket.h
+++ b/include/socket.h
@@ -14,16 +14,20 @@
* ---------------------------------------------------
*/
-#ifndef __INSP_SOCKET_H__
-#define __INSP_SOCKET_H__
+#ifndef INSPIRCD_SOCKET_H
+#define INSPIRCD_SOCKET_H
+/* This is where we'll define wrappers for socket IO stuff, for neat winsock compatability */
+
+#include <sys/time.h>
+#include <sys/resource.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
-#include <sstream>
-#include <string>
-#include <deque>
-#include "dns.h"
+#include <unistd.h>
+#include <fcntl.h>
+#include <poll.h>
+
#include "inspircd_config.h"
/* macros to the relevant system address description structs */
@@ -39,336 +43,8 @@ typedef struct in_addr insp_inaddr;
#endif
-/**
- * States which a socket may be in
- */
-enum InspSocketState { I_DISCONNECTED, I_RESOLVING, I_CONNECTING, I_CONNECTED, I_LISTENING, I_ERROR };
-
-/**
- * Error types which a socket may exhibit
- */
-enum InspSocketError { I_ERR_TIMEOUT, I_ERR_SOCKET, I_ERR_CONNECT, I_ERR_BIND, I_ERR_RESOLVE, I_ERR_WRITE };
-
-/**
- * InspSocket is an extendable socket class which modules
- * can use for TCP socket support. It is fully integrated
- * into InspIRCds socket loop and attaches its sockets to
- * the core's instance of the SocketEngine class, meaning
- * that any sockets you create have the same power and
- * abilities as a socket created by the core itself.
- * To use InspSocket, you must inherit a class from it,
- * and use the InspSocket constructors to establish connections
- * and bindings.
- */
-class InspSocket
-{
-private:
-
- std::deque<std::string> outbuffer;
-
- /**
- * The file descriptor of this socket
- */
- int fd;
-
- /**
- * The resolver for this socket
- */
- DNS dns;
-
- /**
- * The hostname connected to
- */
- char host[MAXBUF];
-
- /**
- * The port connected to, or the port
- * this socket is listening on
- */
- int port;
-
- /**
- * The state for this socket, either
- * listening, connecting, connected
- * or error.
- */
- InspSocketState state;
-
- /**
- * The host being connected to,
- * in sockaddr form
- */
- insp_sockaddr addr;
-
- /**
- * The host being connected to,
- * in in_addr form
- */
- insp_inaddr addy;
-
- /**
- * When this time is reached,
- * the socket times out if it is
- * in the CONNECTING state
- */
- time_t timeout_end;
-
- /**
- * This value is true if the
- * socket has timed out.
- */
- bool timeout;
-
- /**
- * Socket input buffer, used by read(). The class which
- * extends InspSocket is expected to implement an extendable
- * buffer which can grow much larger than 64k,
- * this buffer is just designed to be temporary storage.
- * space.
- */
- char ibuf[65535];
-
- /**
- * The IP address being connected
- * to stored in string form for
- * easy retrieval by accessors.
- */
- char IP[MAXBUF];
-
- /**
- * Client sockaddr structure used
- * by accept()
- */
- insp_sockaddr client;
-
- /**
- * Server sockaddr structure used
- * by accept()
- */
- insp_sockaddr server;
-
- /**
- * Used by accept() to indicate the
- * sizes of the sockaddr_in structures
- */
- socklen_t length;
-
- /** Flushes the write buffer
- */
- bool FlushWriteBuffer();
-
- /** Set the queue sizes
- * This private method sets the operating system queue
- * sizes for this socket to 65535 so that it can queue
- * more information without application-level queueing
- * which was required in older software.
- */
- void SetQueues(int nfd);
-
- /** When the socket has been marked as closing, this flag
- * will be set to true, then the next time the socket is
- * examined, the socket is deleted and closed.
- */
- bool ClosePending;
-
-public:
-
- /**
- * The default constructor does nothing
- * and should not be used.
- */
- InspSocket();
-
- /**
- * This constructor is used to associate
- * an existing connecting with an InspSocket
- * class. The given file descriptor must be
- * valid, and when initialized, the InspSocket
- * will be set with the given IP address
- * and placed in CONNECTED state.
- */
- InspSocket(int newfd, char* ip);
-
- /**
- * This constructor is used to create a new
- * socket, either listening for connections, or an outbound connection to another host.
- * Note that if you specify a hostname in the 'host' parameter, then there will be an extra
- * step involved (a nonblocking DNS lookup) which will cause your connection to be established
- * slower than if it was an IP. Therefore, use an IP address where it is available instead.
- * @param host The hostname to connect to, or bind to
- * @param port The port number to connect to, or bind to
- * @param listening true to listen on the given host:port pair, or false to connect to them
- * @param maxtime Number of seconds to wait, if connecting, before the connection times out and an OnTimeout() event is generated
- */
- InspSocket(const std::string &host, int port, bool listening, unsigned long maxtime);
-
- /**
- * This method is called when an outbound
- * connection on your socket is completed.
- * @return false to abort the connection, true to continue
- */
- virtual bool OnConnected();
-
- /**
- * This method is called when an error occurs.
- * A closed socket in itself is not an error,
- * however errors also generate close events.
- * @param e The error type which occured
- */
- virtual void OnError(InspSocketError e);
-
- /**
- * When an established connection is terminated,
- * the OnDisconnect method is triggered.
- */
- virtual int OnDisconnect();
-
- /**
- * When there is data waiting to be read on a
- * socket, the OnDataReady() method is called.
- * Within this method, you *MUST* call the Read()
- * method to read any pending data. At its lowest
- * level, this event is signalled by the core via
- * the socket engine. If you return false from this
- * function, the core removes your socket from its
- * list and erases it from the socket engine, then
- * calls InspSocket::Close() and deletes it.
- * @return false to close the socket
- */
- virtual bool OnDataReady();
-
- /**
- * When an outbound connection fails, and the
- * attempt times out, you will receive this event.
- * The method will trigger once maxtime seconds are
- * reached (as given in the constructor) just
- * before the socket's descriptor is closed.
- * A failed DNS lookup may cause this event if
- * the DNS server is not responding, as well as
- * a failed connect() call, because DNS lookups are
- * nonblocking as implemented by this class.
- */
- virtual void OnTimeout();
-
- /**
- * Whenever close() is called, OnClose() will be
- * called first. Please note that this means
- * OnClose will be called alongside OnError(),
- * OnTimeout(), and Close(), and also when
- * cancelling a listening socket by calling
- * the destructor indirectly.
- */
- virtual void OnClose();
-
- /**
- * Reads all pending bytes from the socket
- * into a char* array which can be up to
- * 16 kilobytes in length.
- */
- virtual char* Read();
-
- /**
- * Returns the IP address associated with
- * this connection, or an empty string if
- * no IP address exists.
- */
- std::string GetIP();
-
- /**
- * This function checks if the socket has
- * timed out yet, given the current time
- * in the parameter.
- * @return true if timed out, false if not timed out
- */
- bool Timeout(time_t current);
-
- /**
- * Writes a std::string to the socket. No carriage
- * returns or linefeeds are appended to the string.
- * @param data The data to send
- */
- virtual int Write(const std::string &data);
-
- /**
- * If your socket is a listening socket, when a new
- * connection comes in on the socket this method will
- * be called. Given the new file descriptor in the
- * parameters, and the IP, it is recommended you copy
- * them to a new instance of your socket class,
- * e.g.:
- *
- * MySocket* newsocket = new MySocket(newfd,ip);
- *
- * Once you have done this, you can then associate the
- * new socket with the core using Server::AddSocket().
- */
- virtual int OnIncomingConnection(int newfd, char* ip);
-
- /**
- * Changes the socket's state. The core uses this
- * to change socket states, and you should not call
- * it directly.
- */
- void SetState(InspSocketState s);
-
- /**
- * Returns the current socket state.
- */
- InspSocketState GetState();
-
- /**
- * Only the core should call this function.
- * When called, it is assumed the socket is ready
- * to read data, and the method call routes the
- * event to the various methods of InspSocket
- * for you to handle. This can also cause the
- * socket's state to change.
- */
- bool Poll();
-
- /**
- * This method returns the socket's file descriptor
- * as assigned by the operating system, or -1
- * if no descriptor has been assigned.
- */
- int GetFd();
-
- /**
- * This method causes the socket to close, and may
- * also be triggered by other methods such as OnTimeout
- * and OnError.
- */
- virtual void Close();
-
- /**
- * The destructor may implicitly call OnClose(), and
- * will close() and shutdown() the file descriptor
- * used for this socket.
- */
- virtual ~InspSocket();
-
- /**
- * This method attempts to resolve the hostname,
- * if a hostname is given and not an IP,
- * before a connection can occur. This method is
- * asyncronous.
- */
- virtual bool DoResolve();
-
- /**
- * This method attempts to connect to a hostname.
- * This only occurs on a non-listening socket. This
- * method is asyncronous.
- */
- virtual bool DoConnect();
-
- /**
- * This method marks the socket closed.
- * The next time the core examines a socket marked
- * as closed, the socket will be closed and the
- * memory reclaimed.
- */
- void MarkAsClosed();
-};
+int OpenTCPSocket();
+bool BindSocket(int sockfd, insp_sockaddr client, insp_sockaddr server, int port, char* addr);
+int BindPorts(bool bail);
#endif