/*
  File:  proxy_structs.h

  Description:  structure definitions and typedefs for proxy program.
*/


#ifndef __PROXY_STRUCTS_H__
#define __PROXY_STRUCTS_H__

#include <stdio.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <glib.h>

#define FD_CLOSE 0
#define FD_OPEN  1 

#define CLIENT 0
#define SERVER 1

#define QUEUE_BUFFER 4096

#define CONNECT_TIMEOUT 5.0


/* we'll have one of these for each available file descriptor */

struct rdata {
  int                status;
  char               ip[INET_ADDRSTRLEN];  /* client IP */
  int                relay;                /* fd to which we relay data */
  GSList            *queue;
  int                bytes_read;
  int                bytes_written;
  int                type;                /* CLIENT or SERVER */
  struct timeval     ti_read;             /* started reading data */
  struct timeval     ti_write;            /* started writing data */
  struct timeval     tf_read;             /* finished reading data */
  struct timeval     tf_write;            /* finished writing data */
  struct timeval     ti_connect;          /* started connect N/B */
  struct timeval     tf_connect;          /* finished connect N/B */
};


/* these structures get stuffed into the mem chunks */

struct qdata {
  int   l;                 /* number of bytes in this buffer */
  int   p;                 /* placeholder for repeat writes  */
  char  s[QUEUE_BUFFER];   /* space for the data             */
};

typedef struct qdata  qdata;

/* this struct will be filled out as needed.  it will contain any
   data which needs to be globally accessible.  */

struct mdata {
  GMemChunk          *m;
  struct rdata       *r;            /* status/ip list */
  struct sockaddr_in  sa;
  struct sockaddr_in  la;
  unsigned short      local_port;
  char                local_name[MAXPATHLEN];
  unsigned short      server_port;
  char                server_name[MAXPATHLEN];
  char                log_file[MAXPATHLEN];
  FILE               *log_fp;
  int                 nofile;
  int                 server_sock;
  int                 kq;
  int                 iterations;
  int                 events;
  int                 accepts;
  int                 bytes_read[2];
  int                 bytes_written[2];
  int                 kevent_errors;
  int                 num_clients;
  int                 max_clients;
  float               time_reading[2];
  float               time_writing[2];
  int                 verbose;
  int                 out_of_memory;
};


#endif /* __PROXY_STRUCTS_H__ */