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cmux: Rename cell_ewma_set_scale_factor()

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It is rename to something more meaningful that explains what it does exactly
which is sets the EWMA options (currently only one exists). The new name is
cmux_ewma_set_options().

Also, remove a public function from circuitmux_ewma.h that is only used in the
C file. Make it static inline as well.

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2018-02-15 13:51:34 -05:00
parent 6b1dba214d
commit 9af5b625e8
4 changed files with 14 additions and 14 deletions
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18
src/or/circuitmux_ewma.c
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@ -241,6 +241,13 @@ circuitmux_policy_t ewma_policy = {
/*** EWMA method implementations using the below EWMA helper functions ***/ /*** EWMA method implementations using the below EWMA helper functions ***/
/** Compute and return the current cell_ewma tick. */
static inline unsigned int
cell_ewma_get_tick(void)
{
return ((unsigned)approx_time() / EWMA_TICK_LEN);
}
/** /**
* Allocate an ewma_policy_data_t and upcast it to a circuitmux_policy_data_t; * Allocate an ewma_policy_data_t and upcast it to a circuitmux_policy_data_t;
* this is called when setting the policy on a circuitmux_t to ewma_policy. * this is called when setting the policy on a circuitmux_t to ewma_policy.
@ -610,13 +617,6 @@ cell_ewma_tick_from_timeval(const struct timeval *now,
return res; return res;
} }
/** Compute and return the current cell_ewma tick. */
unsigned int
cell_ewma_get_tick(void)
{
return ((unsigned)approx_time() / EWMA_TICK_LEN);
}
/* Default value for the CircuitPriorityHalflifeMsec consensus parameter in /* Default value for the CircuitPriorityHalflifeMsec consensus parameter in
* msec. */ * msec. */
#define CMUX_PRIORITY_HALFLIFE_MSEC_DEFAULT 30000 #define CMUX_PRIORITY_HALFLIFE_MSEC_DEFAULT 30000
@ -672,8 +672,8 @@ get_circuit_priority_halflife(const or_options_t *options,
/** Adjust the global cell scale factor based on <b>options</b> */ /** Adjust the global cell scale factor based on <b>options</b> */
void void
cell_ewma_set_scale_factor(const or_options_t *options, cmux_ewma_set_options(const or_options_t *options,
const networkstatus_t *consensus) const networkstatus_t *consensus)
{ {
double halflife; double halflife;
const char *source; const char *source;

6
src/or/circuitmux_ewma.h
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@ -12,12 +12,12 @@
#include "or.h" #include "or.h"
#include "circuitmux.h" #include "circuitmux.h"
/* The public EWMA policy callbacks object. */
extern circuitmux_policy_t ewma_policy; extern circuitmux_policy_t ewma_policy;
/* Externally visible EWMA functions */ /* Externally visible EWMA functions */
unsigned int cell_ewma_get_tick(void); void cmux_ewma_set_options(const or_options_t *options,
void cell_ewma_set_scale_factor(const or_options_t *options, const networkstatus_t *consensus);
const networkstatus_t *consensus);
#endif /* !defined(TOR_CIRCUITMUX_EWMA_H) */ #endif /* !defined(TOR_CIRCUITMUX_EWMA_H) */

2
src/or/config.c
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@ -2073,7 +2073,7 @@ options_act(const or_options_t *old_options)
configure_accounting(time(NULL)); configure_accounting(time(NULL));
/* Change the cell EWMA settings */ /* Change the cell EWMA settings */
cell_ewma_set_scale_factor(options, networkstatus_get_latest_consensus()); cmux_ewma_set_options(options, networkstatus_get_latest_consensus());
/* Update the BridgePassword's hashed version as needed. We store this as a /* Update the BridgePassword's hashed version as needed. We store this as a
* digest so that we can do side-channel-proof comparisons on it. * digest so that we can do side-channel-proof comparisons on it.

2
src/or/networkstatus.c
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@ -2003,7 +2003,7 @@ networkstatus_set_current_consensus(const char *consensus,
update_consensus_networkstatus_fetch_time(now); update_consensus_networkstatus_fetch_time(now);
/* Change the cell EWMA settings */ /* Change the cell EWMA settings */
cell_ewma_set_scale_factor(options, c); cmux_ewma_set_options(options, c);
/* XXXX this call might be unnecessary here: can changing the /* XXXX this call might be unnecessary here: can changing the
* current consensus really alter our view of any OR's rate limits? */ * current consensus really alter our view of any OR's rate limits? */