rainlance/c-ares
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- Introducing millisecond resolution support for the timeout option. See

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ares_init_options()'s ARES_OPT_TIMEOUTMS.
This commit is contained in:
Daniel Stenberg
2008-05-13 20:48:48 +00:00
parent 76d91c21ad
commit 46dbd9461a
8 changed files with 166 additions and 71 deletions
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22
ares_private.h
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@ -4,6 +4,7 @@
/* $Id$ */
/* Copyright 1998 by the Massachusetts Institute of Technology.
* Copyright (C) 2004-2008 by Daniel Stenberg
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
@ -48,7 +49,7 @@
#include <time.h>
#endif
#define DEFAULT_TIMEOUT 5
#define DEFAULT_TIMEOUT 5000 /* milliseconds */
#define DEFAULT_TRIES 4
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
@ -149,7 +150,7 @@ struct server_state {
struct query {
/* Query ID from qbuf, for faster lookup, and current timeout */
unsigned short qid;
time_t timeout;
struct timeval timeout;
/*
* Links for the doubly-linked lists in which we insert a query.
@ -217,7 +218,7 @@ typedef struct rc4_key
struct ares_channeldata {
/* Configuration data */
int flags;
int timeout;
int timeout; /* in milliseconds */
int tries;
int ndots;
int udp_port;
@ -242,7 +243,8 @@ struct ares_channeldata {
/* Generation number to use for the next TCP socket open/close */
int tcp_connection_generation;
/* The time at which we last called process_timeouts() */
/* The time at which we last called process_timeouts(). Uses integer seconds
just to draw the line somewhere. */
time_t last_timeout_processed;
/* Circular, doubly-linked list of queries, bucketed various ways.... */
@ -259,8 +261,18 @@ struct ares_channeldata {
void *sock_state_cb_data;
};
/* return true if now is exactly check time or later */
int ares__timedout(struct timeval *now,
struct timeval *check);
/* add the specific number of milliseconds to the time in the first argument */
int ares__timeadd(struct timeval *now,
int millisecs);
/* return time offset between now and (future) check, in milliseconds */
int ares__timeoffset(struct timeval *now,
struct timeval *check);
void ares__rc4(rc4_key* key,unsigned char *buffer_ptr, int buffer_len);
void ares__send_query(ares_channel channel, struct query *query, time_t now);
void ares__send_query(ares_channel channel, struct query *query,
struct timeval *now);
void ares__close_sockets(ares_channel channel, struct server_state *server);
int ares__get_hostent(FILE *fp, int family, struct hostent **host);
int ares__read_line(FILE *fp, char **buf, int *bufsize);