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Get rid of the convoluted way we detect whether LP discovered the new block and just use the work retrieved by the LP to know.

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This commit is contained in:
Con Kolivas 2011-09-18 23:17:50 +10:00
parent 31a9176977
commit 9696b4d6ba
1 changed files with 14 additions and 32 deletions
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46
main.c
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@ -259,14 +259,6 @@ static int total_getworks, total_stale, total_discarded;
static int total_queued;
static unsigned int new_blocks;
enum block_change {
BLOCK_NONE,
BLOCK_LP,
BLOCK_DETECT,
BLOCK_FIRST,
};
static enum block_change block_changed = BLOCK_FIRST;
static unsigned int local_work;
static unsigned int total_go, total_ro;
@ -2626,7 +2618,7 @@ static void set_curblock(char *hexstr, unsigned char *hash)
free(old_hash);
}
static void test_work_current(struct work *work)
static void test_work_current(struct work *work, bool longpoll)
{
struct block *s;
char *hexstr;
@ -2651,19 +2643,18 @@ static void test_work_current(struct work *work)
HASH_ADD_STR(blocks, hash, s);
wr_unlock(&blk_lock);
set_curblock(hexstr, work->data);
if (++new_blocks == 1)
goto out_free;
new_blocks++;
if (block_changed != BLOCK_LP && block_changed != BLOCK_FIRST) {
block_changed = BLOCK_DETECT;
if (have_longpoll)
applog(LOG_NOTICE, "New block detected on network before longpoll, waiting on fresh work");
else
applog(LOG_NOTICE, "New block detected on network, waiting on fresh work");
} else
block_changed = BLOCK_NONE;
if (longpoll)
applog(LOG_NOTICE, "LONGPOLL detected new block on network, waiting on fresh work");
else if (have_longpoll)
applog(LOG_NOTICE, "New block detected on network before longpoll, waiting on fresh work");
else
applog(LOG_NOTICE, "New block detected on network, waiting on fresh work");
restart_threads();
}
out_free:
free(hexstr);
}
@ -2709,7 +2700,7 @@ static void *stage_thread(void *userdata)
break;
}
test_work_current(work);
test_work_current(work, false);
if (opt_debug)
applog(LOG_DEBUG, "Pushing work to getwork queue");
@ -4335,8 +4326,9 @@ static void convert_to_work(json_t *val, bool rolltime)
work->rolltime = rolltime;
/* We'll be checking this work item twice, but we already know it's
* from a new block so explicitly force the new block detection now
* rather than waiting for it to hit the stage thread */
test_work_current(work);
* rather than waiting for it to hit the stage thread. This also
* allows testwork to know whether LP discovered the block or not. */
test_work_current(work, true);
if (opt_debug)
applog(LOG_DEBUG, "Pushing converted work to stage thread");
@ -4403,16 +4395,6 @@ static void *longpoll_thread(void *userdata)
val = json_rpc_call(curl, lp_url, pool->rpc_userpass, rpc_req,
false, true, &rolltime, pool);
if (likely(val)) {
/* Keep track of who ordered a restart_threads to make
* sure it's only done once per new block */
if (block_changed != BLOCK_DETECT) {
block_changed = BLOCK_LP;
applog(LOG_NOTICE, "LONGPOLL detected new block on network, waiting on fresh work");
} else {
applog(LOG_INFO, "LONGPOLL received after new block already detected");
block_changed = BLOCK_NONE;
}
convert_to_work(val, rolltime);
failures = 0;
json_decref(val);