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Code Issues Releases Wiki Activity

Re-use CURL object, thereby caching DNS and HTTP connections where possible.

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This commit is contained in:
Jeff Garzik 2011-02-10 00:41:44 -05:00 committed by Jeff Garzik
parent 8277202221
commit c0935a9489
3 changed files with 21 additions and 14 deletions
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18
cpu-miner.c
View File

@ -23,6 +23,7 @@
#include <pthread.h>
#include <getopt.h>
#include <jansson.h>
#include <curl/curl.h>
#include "compat.h"
#include "miner.h"
@ -199,7 +200,7 @@ err_out:
return false;
}
static void submit_work(struct work *work)
static void submit_work(CURL *curl, struct work *work)
{
char *hexstr = NULL;
json_t *val, *res;
@ -221,7 +222,7 @@ static void submit_work(struct work *work)
fprintf(stderr, "DBG: sending RPC call:\n%s", s);
/* issue JSON-RPC request */
val = json_rpc_call(rpc_url, userpass, s);
val = json_rpc_call(curl, rpc_url, userpass, s);
if (!val) {
fprintf(stderr, "submit_work json_rpc_call failed\n");
goto out;
@ -259,6 +260,13 @@ static void *miner_thread(void *thr_id_int)
static const char *rpc_req =
"{\"method\": \"getwork\", \"params\": [], \"id\":0}\r\n";
uint32_t max_nonce = 0xffffff;
CURL *curl;
curl = curl_easy_init();
if (!curl) {
fprintf(stderr, "CURL initialization failed\n");
return NULL;
}
while (1) {
struct work work __attribute__((aligned(128)));
@ -268,7 +276,7 @@ static void *miner_thread(void *thr_id_int)
bool rc;
/* obtain new work from bitcoin */
val = json_rpc_call(rpc_url, userpass, rpc_req);
val = json_rpc_call(curl, rpc_url, userpass, rpc_req);
if (!val) {
fprintf(stderr, "json_rpc_call failed, ");
@ -369,11 +377,13 @@ static void *miner_thread(void *thr_id_int)
/* if nonce found, submit work */
if (rc)
submit_work(&work);
submit_work(curl, &work);
failures = 0;
}
curl_easy_cleanup(curl);
return NULL;
}

3
miner.h
View File

@ -5,6 +5,7 @@
#include <stdint.h>
#include <sys/time.h>
#include <jansson.h>
#include <curl/curl.h>
#ifdef __SSE2__
#define WANT_SSE2_4WAY 1
@ -45,7 +46,7 @@ static inline void swap256(void *dest_p, const void *src_p)
extern bool opt_debug;
extern bool opt_protocol;
extern const uint32_t sha256_init_state[];
extern json_t *json_rpc_call(const char *url, const char *userpass,
extern json_t *json_rpc_call(CURL *curl, const char *url, const char *userpass,
const char *rpc_req);
extern char *bin2hex(unsigned char *p, size_t len);
extern bool hex2bin(unsigned char *p, const char *hexstr, size_t len);

14
util.c
View File

@ -80,9 +80,9 @@ static size_t upload_data_cb(void *ptr, size_t size, size_t nmemb,
return len;
}
json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req)
json_t *json_rpc_call(CURL *curl, const char *url,
const char *userpass, const char *rpc_req)
{
CURL *curl;
json_t *val, *err_val, *res_val;
int rc;
struct data_buffer all_data = { };
@ -92,11 +92,7 @@ json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req
char len_hdr[64];
char curl_err_str[CURL_ERROR_SIZE];
curl = curl_easy_init();
if (!curl) {
fprintf(stderr, "CURL initialization failed, aborting JSON-RPC call\n");
return NULL;
}
/* it is assumed that 'curl' is freshly [re]initialized at this pt */
if (opt_protocol)
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
@ -172,13 +168,13 @@ json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
curl_easy_reset(curl);
return val;
err_out:
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
curl_easy_reset(curl);
return NULL;
}