ckdb - convert sharesummary workername to a ptr - reduce ram ... lots

src/ckdb.c

@@ -1057,6 +1057,11 @@ static void free_sharesummary_data(K_ITEM *item)
 	SHARESUMMARY *sharesummary;
 
 	DATA_SHARESUMMARY(sharesummary, item);
+	if (sharesummary->workername) {
+		LIST_MEM_SUB(sharesummary_free, sharesummary->workername);
+		free(sharesummary->workername);
+		sharesummary->workername = NULL;
+	}
 	SET_CREATEBY(sharesummary_free, sharesummary->createby, EMPTY);
 	SET_CREATECODE(sharesummary_free, sharesummary->createcode, EMPTY);
 	SET_CREATEINET(sharesummary_free, sharesummary->createinet, EMPTY);
@@ -1595,7 +1600,7 @@ static void summarise_blocks()
 	// Add up the sharesummaries, abort if any SUMMARY_NEW
 	looksharesummary.workinfoid = wi_finish;
 	looksharesummary.userid = MAXID;
-	looksharesummary.workername[0] = '\0';
+	looksharesummary.workername = EMPTY;
 	INIT_SHARESUMMARY(&ss_look);
 	ss_look.data = (void *)(&looksharesummary);
 
@@ -2872,7 +2877,7 @@ static void compare_summaries(K_TREE *leftsum, char *leftname,
 
 	looksharesummary.workinfoid = confirm_first_workinfoid;
 	looksharesummary.userid = -1;
-	looksharesummary.workername[0] = '\0';
+	looksharesummary.workername = EMPTY;
 	INIT_SHARESUMMARY(&look);
 	look.data = (void *)(&looksharesummary);
 

src/ckdb.h

@@ -52,7 +52,7 @@
 
 #define DB_VLOCK "1"
 #define DB_VERSION "0.9.5"
-#define CKDB_VERSION DB_VERSION"-0.647"
+#define CKDB_VERSION DB_VERSION"-0.648"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__
@@ -347,15 +347,26 @@ enum cmd_values {
 // The size strdup will allocate multiples of
 #define MEMBASE 4
 
+#define LIST_MEM_ADD(_list, _fld) do { \
+		size_t __siz; \
+		__siz = strlen(_fld) + 1; \
+		if (__siz % MEMBASE) \
+			__siz += MEMBASE - (__siz % MEMBASE); \
+		_list->ram += (int)__siz; \
+	} while (0)
+
+#define LIST_MEM_SUB(_list, _fld) do { \
+		size_t __siz; \
+		__siz = strlen(_fld) + 1; \
+		if (__siz % MEMBASE) \
+			__siz += MEMBASE - (__siz % MEMBASE); \
+		_list->ram -= (int)__siz; \
+	} while (0)
+
 #define SET_POINTER(_list, _fld, _val, _def) do { \
-		size_t _siz; \
 		if ((_fld) && ((_fld) != EMPTY) && ((_fld) != (_def))) { \
-			if (_list) { \
+			if (_list) \
-				_siz = strlen(_fld) + 1; \
+				LIST_MEM_SUB(_list, _fld); \
-				if (_siz % MEMBASE) \
-					_siz += MEMBASE - (_siz % MEMBASE); \
-				_list->ram -= (int)_siz; \
-			} \
 			free(_fld); \
 		} \
 		if (!(_val) || !(*(_val))) \
@@ -364,12 +375,8 @@ enum cmd_values {
 			if (((_val) == (_def)) || (strcmp(_val, _def) == 0)) \
 				(_fld) = (_def); \
 			else { \
-				if (_list) { \
+				if (_list) \
-					_siz = strlen(_val) + 1; \
+					LIST_MEM_ADD(_list, _val); \
-					if (_siz % MEMBASE) \
-						_siz += MEMBASE - (_siz % MEMBASE); \
-					_list->ram += (int)_siz; \
-				} \
 				_fld = strdup(_val); \
 				if (!(_fld)) \
 					quithere(1, "malloc OOM"); \
@@ -936,7 +943,7 @@ extern K_STORE *shareerrors_store;
 // SHARESUMMARY
 typedef struct sharesummary {
 	int64_t userid;
-	char workername[TXT_BIG+1];
+	char *workername;
 	int64_t workinfoid;
 	double diffacc;
 	double diffsta;

src/ckdb_cmd.c

@@ -3076,7 +3076,7 @@ static char *cmd_pplns(__maybe_unused PGconn *conn, char *cmd, char *id,
 
 	looksharesummary.workinfoid = workinfoid;
 	looksharesummary.userid = MAXID;
-	looksharesummary.workername[0] = '\0';
+	looksharesummary.workername = EMPTY;
 	INIT_SHARESUMMARY(&ss_look);
 	ss_look.data = (void *)(&looksharesummary);
 	K_RLOCK(sharesummary_free);

src/ckdb_data.c

@@ -710,7 +710,7 @@ void workerstatus_ready()
 
 		// The last one
 		looksharesummary.userid = workerstatus->userid;
-		STRNCPY(looksharesummary.workername, workerstatus->workername);
+		looksharesummary.workername = workerstatus->workername;
 		looksharesummary.workinfoid = MAXID;
 		ss_look.data = (void *)(&looksharesummary);
 		K_RLOCK(sharesummary_free);
@@ -1376,7 +1376,7 @@ bool workinfo_age(PGconn *conn, int64_t workinfoid, char *poolinstance,
 	// Find the first matching sharesummary
 	looksharesummary.workinfoid = workinfoid;
 	looksharesummary.userid = -1;
-	looksharesummary.workername[0] = '\0';
+	looksharesummary.workername = EMPTY;
 
 	ok = true;
 	ss_tot = ss_already = ss_failed = shares_tot = shares_dumped = 0;
@@ -1607,7 +1607,7 @@ K_ITEM *find_sharesummary(int64_t userid, char *workername, int64_t workinfoid)
 	K_ITEM look;
 
 	sharesummary.userid = userid;
-	STRNCPY(sharesummary.workername, workername);
+	sharesummary.workername = workername;
 	sharesummary.workinfoid = workinfoid;
 
 	INIT_SHARESUMMARY(&look);
@@ -1643,7 +1643,7 @@ void auto_age_older(PGconn *conn, int64_t workinfoid, char *poolinstance,
 	// Find the oldest 'unaged' sharesummary < workinfoid and >= prev_found
 	looksharesummary.workinfoid = prev_found;
 	looksharesummary.userid = -1;
-	looksharesummary.workername[0] = '\0';
+	looksharesummary.workername = EMPTY;
 	INIT_SHARESUMMARY(&look);
 	look.data = (void *)(&looksharesummary);
 
@@ -1956,8 +1956,7 @@ void set_block_share_counters()
 		if (sharesummary->workinfoid <= pool.workinfoid) {
 			// Skip back to the next worker
 			looksharesummary.userid = sharesummary->userid;
-			STRNCPY(looksharesummary.workername,
+			looksharesummary.workername = sharesummary->workername;
-				sharesummary->workername);
 			looksharesummary.workinfoid = -1;
 			ss_look.data = (void *)(&looksharesummary);
 			ss_item = find_before_in_ktree(sharesummary_root, &ss_look,

src/ckdb_dbio.c

@@ -2719,7 +2719,8 @@ bool _sharesummary_update(PGconn *conn, SHARES *s_row, SHAREERRORS *e_row, K_ITE
 			K_WUNLOCK(sharesummary_free);
 			DATA_SHARESUMMARY(row, item);
 			row->userid = userid;
-			STRNCPY(row->workername, workername);
+			row->workername = strdup(workername);
+			LIST_MEM_ADD(sharesummary_free, row->workername);
 			row->workinfoid = workinfoid;
 			zero_sharesummary(row, sharecreatedate, diff);
 			row->inserted = false;
@@ -2948,15 +2949,15 @@ late:
 		PQfinish(conn);
 
 	// We keep the new item no matter what 'ok' is, since it will be inserted later
-	K_WLOCK(sharesummary_free);
 	if (new) {
+		K_WLOCK(sharesummary_free);
 		sharesummary_root = add_to_ktree(sharesummary_root, item, cmp_sharesummary);
 		sharesummary_workinfoid_root = add_to_ktree(sharesummary_workinfoid_root,
 							    item,
 							    cmp_sharesummary_workinfoid);
 		k_add_head(sharesummary_store, item);
-	}
 		K_WUNLOCK(sharesummary_free);
+	}
 
 	return ok;
 }
@@ -3010,6 +3011,7 @@ bool sharesummary_fill(PGconn *conn)
 	for (i = 0; i < n; i++) {
 		item = k_unlink_head(sharesummary_free);
 		DATA_SHARESUMMARY(row, item);
+		row->workername = NULL;
 
 		if (everyone_die) {
 			ok = false;
@@ -3026,7 +3028,8 @@ bool sharesummary_fill(PGconn *conn)
 		PQ_GET_FLD(res, i, "workername", field, ok);
 		if (!ok)
 			break;
-		TXT_TO_STR("workername", field, row->workername);
+		row->workername = strdup(field);
+		LIST_MEM_ADD(sharesummary_free, row->workername);
 
 		PQ_GET_FLD(res, i, "workinfoid", field, ok);
 		if (!ok)
@@ -3153,8 +3156,15 @@ bool sharesummary_fill(PGconn *conn)
 
 		tick();
 	}
-	if (!ok)
+	if (!ok) {
+		DATA_SHARESUMMARY(row, item);
+		if (row->workername) {
+			LIST_MEM_SUB(sharesummary_free, row->workername);
+			free(row->workername);
+			row->workername = NULL;
+		}
 		k_add_head(sharesummary_free, item);
+	}
 
 	PQclear(res);