/*
**  Here be values used for communicating with the server once it is
**  running.
*/

#ifndef INN_INNDCOMM_H
#define INN_INNDCOMM_H 1

#include "inn/portable-macros.h"
#include "inn/system.h"

BEGIN_DECLS

/* The header for the ICC protocol is a one-byte protocol version followed
   by a 2 byte messages length*/
#define HEADER_SIZE (sizeof(ICC_PROTOCOLTYPE) + sizeof(ICC_MSGLENTYPE))

typedef unsigned short ICC_MSGLENTYPE; /* Length code to prefix commands to
                                       ** the server. */
typedef char ICC_PROTOCOLTYPE;

/* Values for the protocol version field of the message. 8 bits wide. */
#define ICC_PROTOCOL_1 'a'

#define SC_SEP         '\001'
#define SC_MAXFIELDS   6

/* When modifying this list, the innreport_inn.pm file should be updated
 * at the same time. */
#define SC_ADDHIST     'a'
#define SC_ALLOW       'D'
#define SC_BEGIN       'b'
#define SC_CANCEL      'c'
#define SC_CHANGEGROUP 'u'
#define SC_CHECKFILE   'd'
#define SC_DROP        'e'
#define SC_FEEDINFO    'F'
#define SC_FLUSH       'f'
#define SC_FLUSHLOGS   'g'
#define SC_GO          'h'
#define SC_HANGUP      'i'
#define SC_LOGMODE     'E'
#define SC_LOWMARK     'L'
#define SC_MODE        's'
#define SC_NAME        'j'
#define SC_NEWGROUP    'k'
#define SC_PARAM       'l'
#define SC_PAUSE       'm'
#define SC_PERL        'P'
#define SC_PYTHON      'Y'
#define SC_READERS     'v'
#define SC_REJECT      'C'
#define SC_RELOAD      'o'
#define SC_RENUMBER    'n'
#define SC_RESERVE     'z'
#define SC_RMGROUP     'p'
#define SC_SEND        'A'
#define SC_SHUTDOWN    'q'
#define SC_STATHIST    'H'
#define SC_STATUS      'S'
#define SC_SIGNAL      'B'
#define SC_THROTTLE    'r'
#define SC_TIMER       'Z'
#define SC_TRACE       'w'
#define SC_XABORT      'x'
#define SC_XEXEC       'y'

/* Yes, we don't want anyone to use this. */
#define SC_FIRSTFREE   G

#define MAX_REASON_LEN 80


extern void ICCsettimeout(int i);
extern int ICCopen(void);
extern int ICCclose(void);
extern int ICCcommand(char cmd, const char *argv[], char **replyp);
extern int ICCcancel(const char *msgid);
extern int ICCgo(const char *why);
extern int ICCpause(const char *why);
extern int ICCreserve(const char *why);

extern const char *ICCfailure;

/* Use a read or recv call to read a descriptor. */
#ifdef INN_HAVE_UNIX_DOMAIN_SOCKETS
#    define RECVorREAD(fd, p, s) recv((fd), (p), (s), 0)
#else
#    define RECVorREAD(fd, p, s) read((fd), (p), (s))
#endif

END_DECLS

#endif /* INN_INNDCOMM_H */
