aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--configure.ac3
-rw-r--r--cpu-miner.c46
-rw-r--r--miner.h38
-rw-r--r--util.c43
4 files changed, 115 insertions, 15 deletions
diff --git a/configure.ac b/configure.ac
index 8991cc4..e3d9df1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,9 @@ AC_PROG_RANLIB
dnl Checks for header files.
AC_HEADER_STDC
+AC_CHECK_HEADERS(syslog.h)
+
+AC_FUNC_ALLOCA
case $host in
*-*-mingw*)
diff --git a/cpu-miner.c b/cpu-miner.c
index b521ea7..2b0ebe2 100644
--- a/cpu-miner.c
+++ b/cpu-miner.c
@@ -74,6 +74,7 @@ bool opt_debug = false;
bool opt_protocol = false;
bool want_longpoll = true;
bool have_longpoll = false;
+bool use_syslog = false;
static bool opt_quiet = false;
static int opt_retries = 10;
static int opt_fail_pause = 30;
@@ -88,6 +89,7 @@ struct thr_info *thr_info;
static int work_thr_id;
int longpoll_thr_id;
struct work_restart *work_restart = NULL;
+pthread_mutex_t time_lock;
struct option_help {
@@ -145,6 +147,11 @@ static struct option_help options_help[] = {
"(-s N) Upper bound on time spent scanning current work,\n"
"\tin seconds. (default: 5)" },
+#ifdef HAVE_SYSLOG_H
+ { "syslog",
+ "Use system log for output messages (default: standard error)" },
+#endif
+
{ "threads N",
"(-t N) Number of miner threads (default: 1)" },
@@ -171,6 +178,11 @@ static struct option options[] = {
{ "url", 1, NULL, 1001 },
{ "userpass", 1, NULL, 1002 },
{ "no-longpoll", 0, NULL, 1003 },
+
+#ifdef HAVE_SYSLOG_H
+ { "syslog", 0, NULL, 1004 },
+#endif
+
{ }
};
@@ -240,13 +252,9 @@ static bool submit_upstream_work(CURL *curl, const struct work *work)
{
char *hexstr = NULL;
json_t *val, *res;
- char s[345], timestr[64];
- time_t now;
- struct tm *tm;
+ char s[345];
bool rc = false;
- now = time(NULL);
-
/* build hex string */
hexstr = bin2hex(work->data, sizeof(work->data));
if (!hexstr) {
@@ -271,11 +279,8 @@ static bool submit_upstream_work(CURL *curl, const struct work *work)
res = json_object_get(val, "result");
- tm = localtime(&now);
- strftime(timestr, sizeof(timestr), "%Y-%m-%d %H:%M:%S", tm);
-
- printf("[%s] PROOF OF WORK RESULT: %s\n",
- timestr, json_is_true(res) ? "true (yay!!!)" : "false (booooo)");
+ applog(LOG_INFO, "PROOF OF WORK RESULT: %s",
+ json_is_true(res) ? "true (yay!!!)" : "false (booooo)");
json_decref(val);
@@ -429,7 +434,7 @@ static void hashmeter(int thr_id, const struct timeval *diff,
secs = (double)diff->tv_sec + ((double)diff->tv_usec / 1000000.0);
if (!opt_quiet)
- printf("HashMeter(%d): %lu hashes, %.2f khash/sec\n",
+ applog(LOG_INFO, "thread %d: %lu hashes, %.2f khash/sec\n",
thr_id, hashes_done,
khashes / secs);
}
@@ -625,7 +630,7 @@ static void *longpoll_thread(void *userdata)
sprintf(lp_url, "%s%s%s", rpc_url, need_slash ? "/" : "", copy_start);
- fprintf(stderr, "Long-polling activated for %s\n", lp_url);
+ applog(LOG_INFO, "Long-polling activated for %s", lp_url);
curl = curl_easy_init();
if (!curl) {
@@ -641,7 +646,8 @@ static void *longpoll_thread(void *userdata)
if (val) {
failures = 0;
json_decref(val);
- fprintf(stderr, "LONGPOLL detected new block\n");
+
+ applog(LOG_INFO, "LONGPOLL detected new block");
restart_threads();
} else {
if (failures++ < 10) {
@@ -764,6 +770,9 @@ static void parse_arg (int key, char *arg)
case 1003:
want_longpoll = false;
break;
+ case 1004:
+ use_syslog = true;
+ break;
default:
show_usage();
}
@@ -827,6 +836,13 @@ int main (int argc, char *argv[])
/* parse command line */
parse_cmdline(argc, argv);
+ pthread_mutex_init(&time_lock, NULL);
+
+#ifdef HAVE_SYSLOG_H
+ if (use_syslog)
+ openlog("cpuminer", LOG_PID, LOG_USER);
+#endif
+
/* set our priority to the highest (aka "nicest, least intrusive") */
if (setpriority(PRIO_PROCESS, 0, 19))
perror("setpriority");
@@ -887,7 +903,7 @@ int main (int argc, char *argv[])
sleep(1); /* don't pound RPC server all at once */
}
- fprintf(stderr, "%d miner threads started, "
+ applog(LOG_INFO, "%d miner threads started, "
"using SHA256 '%s' algorithm.\n",
opt_n_threads,
algo_names[opt_algo]);
@@ -895,7 +911,7 @@ int main (int argc, char *argv[])
/* main loop - simply wait for workio thread to exit */
pthread_join(thr_info[work_thr_id].pth, NULL);
- fprintf(stderr, "workio thread dead, exiting.\n");
+ applog(LOG_INFO, "workio thread dead, exiting.");
return 0;
}
diff --git a/miner.h b/miner.h
index dd32ee7..4021a69 100644
--- a/miner.h
+++ b/miner.h
@@ -8,6 +8,33 @@
#include <jansson.h>
#include <curl/curl.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#elif defined __GNUC__
+# define alloca __builtin_alloca
+#elif defined _AIX
+# define alloca __alloca
+#elif defined _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
+#else
+# ifndef HAVE_ALLOCA
+# ifdef __cplusplus
+extern "C"
+# endif
+void *alloca (size_t);
+# endif
+#endif
+
+
#ifdef __SSE2__
#define WANT_SSE2_4WAY 1
#endif
@@ -26,6 +53,14 @@
#include <byteswap.h>
#endif
+#ifdef HAVE_SYSLOG_H
+#include <syslog.h>
+#else
+enum {
+ LOG_INFO,
+};
+#endif
+
#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
#undef unlikely
#define unlikely(expr) (__builtin_expect((expr), 0))
@@ -126,10 +161,13 @@ struct work_restart {
char padding[128 - sizeof(unsigned long)];
};
+extern pthread_mutex_t time_lock;
+extern bool use_syslog;
extern struct thr_info *thr_info;
extern int longpoll_thr_id;
extern struct work_restart *work_restart;
+extern void applog(int prio, const char *fmt, ...);
extern struct thread_q *tq_new(void);
extern void tq_free(struct thread_q *tq);
extern bool tq_push(struct thread_q *tq, void *data);
diff --git a/util.c b/util.c
index 5b02e83..62cf422 100644
--- a/util.c
+++ b/util.c
@@ -14,9 +14,11 @@
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
+#include <stdarg.h>
#include <string.h>
#include <jansson.h>
#include <curl/curl.h>
+#include <time.h>
#include "miner.h"
#include "elist.h"
@@ -48,6 +50,47 @@ struct thread_q {
pthread_cond_t cond;
};
+void applog(int prio, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+
+#ifdef HAVE_SYSLOG_H
+ if (use_syslog) {
+ vsyslog(prio, fmt, ap);
+ }
+#else
+ if (0) {}
+#endif
+ else {
+ char *f;
+ int len;
+ struct timeval tv = { };
+ struct tm tm, *tm_p;
+
+ gettimeofday(&tv, NULL);
+
+ pthread_mutex_lock(&time_lock);
+ tm_p = localtime(&tv.tv_sec);
+ memcpy(&tm, tm_p, sizeof(tm));
+ pthread_mutex_unlock(&time_lock);
+
+ len = 40 + strlen(fmt) + 2;
+ f = alloca(len);
+ sprintf(f, "[%d-%02d-%02d %02d:%02d:%02d] %s\n",
+ tm.tm_year + 1900,
+ tm.tm_mon,
+ tm.tm_mday,
+ tm.tm_hour,
+ tm.tm_min,
+ tm.tm_sec,
+ fmt);
+ vfprintf(stderr, f, ap); /* atomic write to stderr */
+ }
+ va_end(ap);
+}
+
static void databuf_free(struct data_buffer *db)
{
if (!db)