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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2018 Alexander Barton (alex@barton.de) and Contributors.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- */
- #define CONN_MODULE
- #include "portab.h"
- /**
- * @file
- * Connection management: Global functions
- */
- #include <assert.h>
- #include <time.h>
- #ifdef DEBUG
- # include "log.h"
- #endif
- #include "conn.h"
- #include "conf.h"
- #include "conn-func.h"
- /**
- * Update "idle timestamp", the time of the last visible user action
- * (e. g. like sending messages, joining or leaving channels).
- *
- * @param Idx Connection index.
- */
- GLOBAL void
- Conn_UpdateIdle(CONN_ID Idx)
- {
- assert(Idx > NONE);
- My_Connections[Idx].lastprivmsg = time(NULL);
- }
- /**
- * Update "ping timestamp", the time of the last outgoing PING request.
- *
- * the value 0 signals a newly connected client including servers during the
- * initial "server burst"; and 1 means that no PONG is pending for a PING.
- *
- * @param Idx Connection index.
- * @param TimeStamp 0, 1, or time stamp.
- */
- GLOBAL void
- Conn_UpdatePing(CONN_ID Idx, time_t TimeStamp)
- {
- assert(Idx > NONE);
- My_Connections[Idx].lastping = TimeStamp;
- }
- /*
- * Get signon time of a connection.
- */
- GLOBAL time_t
- Conn_GetSignon(CONN_ID Idx)
- {
- assert(Idx > NONE);
- return My_Connections[Idx].signon;
- }
- GLOBAL time_t
- Conn_GetIdle( CONN_ID Idx )
- {
- /* Return Idle-Timer of a connetion */
- assert( Idx > NONE );
- return time( NULL ) - My_Connections[Idx].lastprivmsg;
- } /* Conn_GetIdle */
- GLOBAL time_t
- Conn_LastPing( CONN_ID Idx )
- {
- assert( Idx > NONE );
- return My_Connections[Idx].lastping;
- } /* Conn_LastPing */
- /**
- * Add "penalty time" for a connection.
- *
- * During the "penalty time" the socket is ignored completely, no new data
- * is read. This function only increases the penalty, it is not possible to
- * decrease the penalty time.
- *
- * @param Idx Connection index.
- * @param Seconds Seconds to add.
- * @see Conn_ResetPenalty
- */
- GLOBAL void
- Conn_SetPenalty(CONN_ID Idx, time_t Seconds)
- {
- time_t t;
- assert(Idx > NONE);
- assert(Seconds >= 0);
- /* Limit new penalty to maximum configured, when less than 10 seconds. *
- The latter is used to limit brute force attacks, therefore we don't *
- want to limit that! */
- if (Conf_MaxPenaltyTime >= 0
- && Seconds > Conf_MaxPenaltyTime
- && Seconds < 10)
- Seconds = Conf_MaxPenaltyTime;
- t = time(NULL);
- if (My_Connections[Idx].delaytime < t)
- My_Connections[Idx].delaytime = t;
- My_Connections[Idx].delaytime += Seconds;
- #ifdef DEBUG
- Log(LOG_DEBUG,
- "Add penalty time on connection %d: %ld second%s, total %ld second%s.",
- Idx, (long)Seconds, Seconds != 1 ? "s" : "",
- My_Connections[Idx].delaytime - t,
- My_Connections[Idx].delaytime - t != 1 ? "s" : "");
- #endif
- } /* Conn_SetPenalty */
- GLOBAL void
- Conn_ClearFlags( void )
- {
- CONN_ID i;
- for( i = 0; i < Pool_Size; i++ ) My_Connections[i].flag = 0;
- } /* Conn_ClearFlags */
- GLOBAL int
- Conn_Flag( CONN_ID Idx )
- {
- assert( Idx > NONE );
- return My_Connections[Idx].flag;
- } /* Conn_Flag */
- GLOBAL void
- Conn_SetFlag( CONN_ID Idx, int Flag )
- {
- assert( Idx > NONE );
- My_Connections[Idx].flag = Flag;
- } /* Conn_SetFlag */
- GLOBAL CONN_ID
- Conn_First( void )
- {
- CONN_ID i;
- for( i = 0; i < Pool_Size; i++ )
- {
- if( My_Connections[i].sock != NONE ) return i;
- }
- return NONE;
- } /* Conn_First */
- GLOBAL CONN_ID
- Conn_Next( CONN_ID Idx )
- {
- CONN_ID i = NONE;
- assert( Idx > NONE );
- for( i = Idx + 1; i < Pool_Size; i++ )
- {
- if( My_Connections[i].sock != NONE ) return i;
- }
- return NONE;
- } /* Conn_Next */
- GLOBAL UINT16
- Conn_Options( CONN_ID Idx )
- {
- assert( Idx > NONE );
- return My_Connections[Idx].options;
- } /* Conn_Options */
- /**
- * Set connection option.
- */
- GLOBAL void
- Conn_SetOption(CONN_ID Idx, int Option)
- {
- assert(Idx > NONE);
- Conn_OPTION_ADD(&My_Connections[Idx], Option);
- } /* Conn_SetOption */
- /**
- * Get the start time of the connection.
- * The result is the start time in seconds since 1970-01-01, as reported
- * by the C function time(NULL).
- */
- GLOBAL time_t
- Conn_StartTime( CONN_ID Idx )
- {
- CLIENT *c;
- assert(Idx > NONE);
- /* Search client structure for this link ... */
- c = Conn_GetClient(Idx);
- if(c != NULL)
- return Client_StartTime(c);
- return 0;
- } /* Conn_StartTime */
- /**
- * return number of bytes queued for writing
- */
- GLOBAL size_t
- Conn_SendQ( CONN_ID Idx )
- {
- assert( Idx > NONE );
- #ifdef ZLIB
- if( My_Connections[Idx].options & CONN_ZIP )
- return array_bytes(&My_Connections[Idx].zip.wbuf);
- else
- #endif
- return array_bytes(&My_Connections[Idx].wbuf);
- } /* Conn_SendQ */
- /**
- * return number of messages sent on this connection so far
- */
- GLOBAL long
- Conn_SendMsg( CONN_ID Idx )
- {
- assert( Idx > NONE );
- return My_Connections[Idx].msg_out;
- } /* Conn_SendMsg */
- /**
- * return number of (uncompressed) bytes sent
- * on this connection so far
- */
- GLOBAL long
- Conn_SendBytes( CONN_ID Idx )
- {
- assert( Idx > NONE );
- return My_Connections[Idx].bytes_out;
- } /* Conn_SendBytes */
- /**
- * return number of bytes pending in read buffer
- */
- GLOBAL size_t
- Conn_RecvQ( CONN_ID Idx )
- {
- assert( Idx > NONE );
- #ifdef ZLIB
- if( My_Connections[Idx].options & CONN_ZIP )
- return array_bytes(&My_Connections[Idx].zip.rbuf);
- else
- #endif
- return array_bytes(&My_Connections[Idx].rbuf);
- } /* Conn_RecvQ */
- /**
- * return number of messages received on this connection so far
- */
- GLOBAL long
- Conn_RecvMsg( CONN_ID Idx )
- {
- assert( Idx > NONE );
- return My_Connections[Idx].msg_in;
- } /* Conn_RecvMsg */
- /**
- * return number of (uncompressed) bytes received on this
- * connection so far
- */
- GLOBAL long
- Conn_RecvBytes( CONN_ID Idx )
- {
- assert( Idx > NONE );
- return My_Connections[Idx].bytes_in;
- } /* Conn_RecvBytes */
- /**
- * Return the remote IP address of this connection as string.
- */
- GLOBAL const char *
- Conn_IPA(CONN_ID Idx)
- {
- assert (Idx > NONE);
- return ng_ipaddr_tostr(&My_Connections[Idx].addr);
- }
- GLOBAL void
- Conn_ResetWCounter( void )
- {
- WCounter = 0;
- } /* Conn_ResetWCounter */
- GLOBAL long
- Conn_WCounter( void )
- {
- return WCounter;
- } /* Conn_WCounter */
- /* -eof- */
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