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#ifndef __CSINKSOCKET_H__
#define __CSINKSOCKET_H__
/* csinksocket.h -- provides an "abstract" type for dealing with socket sinks
* (inet,ssl) */
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/poll.h>
#include <sys/time.h>
#include <netdb.h>
#include <sys/socket.h>
#include "csink.h"
/* Casting macros */
#define CSINK_SOCKET(sink) ( (CSinkSocket*)sink )
#define CSINK_SOCKET_TYPE 0xdeedee
/* status type */
#define SOCKET_CONNECTED (1 << 0)
#define SOCKET_CONNECT_INPROGRESS (1 << 1)
typedef int CSinkSocketStatus;
/* The type itself */
typedef struct _CSinkSocket CSinkSocket;
/* method callback types */
typedef int (*CSinkSocketListenFunc) (CSink * sink);
typedef void (*CSinkSocketCanReadFunc) (CSink * sink);
struct _CSinkSocket {
CSink sink; /* The sink. */
socklen_t address_len; /* 'cause unix is lame */
int address_family; /* ditto. */
struct sockaddr *local_address; /* local interface/port binding */
struct sockaddr *remote_address; /* remote host/port binding */
int fd; /* Socket fd. */
void *read_watch_tag; /* ticket stubs to get the drycleaning back */
void *write_watch_tag;
CSinkSocketStatus status; /* connected,connecting, or not. */
/* methods */
CSinkSocketListenFunc listen; /* listen method pointer */
/* internal callbacks */
CSinkSocketCanReadFunc can_read_action; /* some sinks (ssl) do different reads */
CSinkSocketCanReadFunc can_write_action; /* some sinks (ssl) do different writes*/
CSinkCallbackFunc accept_action; /* some sinks (ssl) do different accepts */
CSinkCallbackFunc open_action; /* some sinks (ssl) do different opens */
/* user callbacks */
CSinkCallbackFunc on_accept; /* called with the new connection sink */
};
/*=======================================*/
/* There is no construction method for sockets, they are 'abstract'.
* (not the same way pictures of guys draws with pokemon prints are abstract) */
/* user-level functions */
void csink_socket_open (CSinkSocket *sink);
int csink_socket_listen (CSinkSocket * sink); /* returns nonzero on error */
void csink_socket_set_accept_func (CSinkSocket *sink, CSinkCallbackFunc func);
/* internal functions */
/* creation/destruction */
void csink_socket_init(CSinkSocket *sink, int address_len, int address_family);
void csink_socket_release(CSinkSocket *sink);
void csink_socket_close (CSinkSocket *sink);
int csink_socket_do_connect (CSinkSocket *sink);
/* manage the addresses */
void csink_socket_set_remote_address
(CSinkSocket *sink, struct sockaddr *address);
void csink_socket_set_local_address
(CSinkSocket *sink, struct sockaddr *address);
void csink_socket_on_accept (CSinkSocket *sink, CSink *newconn);
void csink_socket_can_read_action (CSinkSocket *sink);
void csink_socket_can_write_action (CSinkSocket *sink);
int csink_socket_default_listen (CSinkSocket *sink);
/* Other functions might be useful for sockets, for example, sockets all use the
* same address format, so we might provide functions that handle those. Then
* actual socket implementations could use those rather than do it themselves.
*/
#endif
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