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Using macros and inline function for quick lookup of channel state.

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rl1987 2014-11-23 20:52:24 +02:00 • committed by Nick Mathewson
parent ab08d8c4f7
commit b884ae6d98
1 changed files with 33 additions and 0 deletions
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33
src/or/channel.h
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@ -430,6 +430,39 @@ channel_t * channel_find_by_remote_digest(const char *identity_digest);
*/
channel_t * channel_next_with_digest(channel_t *chan);
/*
* Helper macros to lookup state of given channel.
*/
#define CHANNEL_IS_CLOSED(chan) (channel_is_in_state((chan), \
CHANNEL_STATE_CLOSED))
#define CHANNEL_IS_OPENING(chan) (channel_is_in_state((chan), \
CHANNEL_STATE_OPENING))
#define CHANNEL_IS_OPEN(chan) (channel_is_in_state((chan), \
CHANNEL_STATE_OPEN))
#define CHANNEL_IS_MAINT(chan) (channel_is_in_state((chan), \
CHANNEL_STATE_MAINT))
#define CHANNEL_IS_CLOSING(chan) (channel_is_in_state((chan), \
CHANNEL_STATE_CLOSING))
#define CHANNEL_IS_ERROR(chan) (channel_is_in_state((chan), \
CHANNEL_STATE_ERROR))
#define CHANNEL_FINISHED(chan) (CHANNEL_IS_CLOSED(chan) || \
CHANNEL_IS_ERROR(chan))
#define CHANNEL_CONDEMNED(chan) (CHANNEL_IS_CLOSING(chan) || \
CHANNEL_FINISHED(chan))
#define CHANNEL_CAN_HANDLE_CELLS(chan) (CHANNEL_IS_OPENING(chan) || \
CHANNEL_IS_OPEN(chan) || \
CHANNEL_IS_MAINT(chan))
static INLINE int
channel_is_in_state(channel_t *chan, channel_state_t state)
{
return chan->state == state;
}
/*
* Metadata queries/updates
*/