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bitmessage-js
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Do not use macroses

This commit is contained in:
Kagami Hiiragi 2015-01-11 01:33:30 +03:00
parent 4c5fc4d3eb
commit 728bd6d3ae
2 changed files with 23 additions and 19 deletions
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41
src/pow.cc
View File

@ -11,20 +11,6 @@
#include <openssl/sha.h>
#define HASH_SIZE 64
#define NTOHLL(x) \
( \
((uint64_t)(ntohl( (unsigned int)((x << 32) >> 32) )) << 32) | \
ntohl( ((unsigned int)(x >> 32)) ) \
)
#define SET_RESULT(res, nonce) \
{ \
pthread_mutex_lock(&g_mutex); \
if (g_result == RESULT_NOT_READY) { \
g_result = res; \
g_nonce = nonce; \
} \
pthread_mutex_unlock(&g_mutex); \
}
typedef enum {
RESULT_NOT_READY,
@ -44,6 +30,23 @@ pthread_mutex_t g_mutex;
Result g_result = RESULT_NOT_READY;
uint64_t g_nonce;
inline uint64_t ntohll(uint64_t x) {
return (
((uint64_t)(ntohl( (unsigned int)((x << 32) >> 32) )) << 32) |
ntohl( ((unsigned int)(x >> 32)) )
);
}
// Set POW computation result in a thread-safe way.
void set_result(Result res, uint64_t nonce) {
pthread_mutex_lock(&g_mutex);
if (g_result == RESULT_NOT_READY) {
g_result = res;
g_nonce = nonce;
}
pthread_mutex_unlock(&g_mutex);
}
void* pow_thread(void* num) {
uint64_t i = *((size_t *)num);
uint8_t message[HASH_SIZE+sizeof(uint64_t)];
@ -60,18 +63,18 @@ void* pow_thread(void* num) {
// This is very unlikely to be ever happen but it's better to be
// sure anyway.
if (i > g_max_nonce) {
SET_RESULT(RESULT_OVERFLOW, 0);
set_result(RESULT_OVERFLOW, 0);
return NULL;
}
*be_nonce = NTOHLL(i);
*be_nonce = ntohll(i);
SHA512_Init(&sha);
SHA512_Update(&sha, message, HASH_SIZE+sizeof(uint64_t));
SHA512_Final(digest, &sha);
SHA512_Init(&sha);
SHA512_Update(&sha, digest, HASH_SIZE);
SHA512_Final(digest, &sha);
if (NTOHLL(*be_trial) <= g_target) {
SET_RESULT(RESULT_OK, i);
if (ntohll(*be_trial) <= g_target) {
set_result(RESULT_OK, i);
return NULL;
}
i += g_pool_size;
@ -99,7 +102,7 @@ int pow(size_t pool_size,
args[i] = i;
error = pthread_create(&threads[i], NULL, pow_thread, &args[i]);
if (error) {
SET_RESULT(RESULT_ERROR, 0);
set_result(RESULT_ERROR, 0);
break;
}
}

1
src/worker.cc
View File

@ -25,6 +25,7 @@ class PowWorker : public NanAsyncWorker {
pool_size(pool_size),
target(target),
initial_hash(initial_hash) {}
~PowWorker() {
free(initial_hash);
}