1 files changed, 238 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/checkpoint/workers.c b/src/third_party/wiredtiger/test/checkpoint/workers.c
new file mode 100644
index 00000000000..5cd2ef4e97b
--- /dev/null
+++ b/src/third_party/wiredtiger/test/checkpoint/workers.c
@@ -0,0 +1,238 @@
+/*-
+ * Public Domain 2014-2015 MongoDB, Inc.
+ * Public Domain 2008-2014 WiredTiger, Inc.
+ *
+ * This is free and unencumbered software released into the public domain.
+ *
+ * Anyone is free to copy, modify, publish, use, compile, sell, or
+ * distribute this software, either in source code form or as a compiled
+ * binary, for any purpose, commercial or non-commercial, and by any
+ * means.
+ *
+ * In jurisdictions that recognize copyright laws, the author or authors
+ * of this software dedicate any and all copyright interest in the
+ * software to the public domain. We make this dedication for the benefit
+ * of the public at large and to the detriment of our heirs and
+ * successors. We intend this dedication to be an overt act of
+ * relinquishment in perpetuity of all present and future rights to this
+ * software under copyright law.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "test_checkpoint.h"
+
+static int real_worker(void);
+static void *worker(void *);
+
+/*
+ * create_table --
+ *     Create a WiredTiger table of the configured type for this cookie.
+ */
+static int
+create_table(WT_SESSION *session, COOKIE *cookie)
+{
+	int ret;
+	char *p, *end, config[128];
+
+	p = config;
+	end = config + sizeof(config);
+	p += snprintf(p, (size_t)(end - p),
+	    "key_format=%s,value_format=S",
+	    cookie->type == COL ? "r" : "q");
+	if (cookie->type == LSM)
+		(void)snprintf(p, (size_t)(end - p), ",type=lsm");
+
+	if ((ret = session->create(session, cookie->uri, config)) != 0)
+		if (ret != EEXIST)
+			return (log_print_err("session.create", ret, 1));
+	++g.ntables_created;
+	return (0);
+}
+
+/*
+ * start_workers --
+ *     Setup the configuration for the tables being populated, then start
+ *     the worker thread(s) and wait for them to finish.
+ */
+int
+start_workers(table_type type)
+{
+	WT_SESSION *session;
+	struct timeval start, stop;
+	double seconds;
+	pthread_t *tids;
+	int i, ret;
+	void *thread_ret;
+
+	ret = 0;
+
+	/* Create statistics and thread structures. */
+	if ((tids = calloc((size_t)(g.nworkers), sizeof(*tids))) == NULL)
+		return (log_print_err("calloc", errno, 1));
+
+	if ((ret = g.conn->open_session(g.conn, NULL, NULL, &session)) != 0) {
+		(void)log_print_err("conn.open_session", ret, 1);
+		goto err;
+	}
+	/* Setup the cookies */
+	for (i = 0; i < g.ntables; ++i) {
+		g.cookies[i].id = i;
+		if (type == MIX)
+			g.cookies[i].type =
+			    (table_type)((i % MAX_TABLE_TYPE) + 1);
+		else
+			g.cookies[i].type = type;
+		(void)snprintf(g.cookies[i].uri, 128,
+		    "%s%04d", URI_BASE, g.cookies[i].id);
+
+		/* Should probably be atomic to avoid races. */
+		if ((ret = create_table(session, &g.cookies[i])) != 0)
+			goto err;
+	}
+
+	(void)gettimeofday(&start, NULL);
+
+	/* Create threads. */
+	for (i = 0; i < g.nworkers; ++i) {
+		if ((ret = pthread_create(
+		    &tids[i], NULL, worker, &g.cookies[i])) != 0) {
+			(void)log_print_err("pthread_create", ret, 1);
+			goto err;
+		}
+	}
+
+	/* Wait for the threads. */
+	for (i = 0; i < g.nworkers; ++i)
+		(void)pthread_join(tids[i], &thread_ret);
+
+	(void)gettimeofday(&stop, NULL);
+	seconds = (stop.tv_sec - start.tv_sec) +
+	    (stop.tv_usec - start.tv_usec) * 1e-6;
+	printf("Ran workers for: %f seconds\n", seconds);
+
+err:	free(tids);
+
+	return (ret);
+}
+
+/*
+ * worker_op --
+ *	Write operation.
+ */
+static inline int
+worker_op(WT_CURSOR *cursor, uint64_t keyno, u_int new_val)
+{
+	int ret;
+	char valuebuf[64];
+
+	cursor->set_key(cursor, keyno);
+	(void)snprintf(
+	    valuebuf, sizeof(valuebuf), "%037u", new_val);
+	cursor->set_value(cursor, valuebuf);
+	if ((ret = cursor->insert(cursor)) != 0) {
+		if (ret == WT_ROLLBACK)
+			return (WT_ROLLBACK);
+		return (log_print_err("cursor.insert", ret, 1));
+	}
+	return (0);
+}
+
+/*
+ * worker --
+ *	Worker thread start function.
+ */
+static void *
+worker(void *arg)
+{
+	char tid[128];
+
+	WT_UNUSED(arg);
+
+	__wt_thread_id(tid, sizeof(tid));
+	printf("worker thread starting: tid: %s\n", tid);
+
+	(void)real_worker();
+	return (NULL);
+}
+
+/*
+ * real_worker --
+ *     A single worker thread that transactionally updates all tables with
+ *     consistent values.
+ */
+static int
+real_worker(void)
+{
+	WT_CURSOR **cursors;
+	WT_SESSION *session;
+	WT_RAND_STATE rnd;
+	u_int i, keyno;
+	int j, ret, t_ret;
+
+	ret = t_ret = 0;
+
+	__wt_random_init(&rnd);
+
+	if ((cursors = calloc(
+	    (size_t)(g.ntables), sizeof(WT_CURSOR *))) == NULL)
+		return (log_print_err("malloc", ENOMEM, 1));
+
+	if ((ret = g.conn->open_session(
+	    g.conn, NULL, "isolation=snapshot", &session)) != 0) {
+		(void)log_print_err("conn.open_session", ret, 1);
+		goto err;
+	}
+
+	for (j = 0; j < g.ntables; j++)
+		if ((ret = session->open_cursor(session,
+		    g.cookies[j].uri, NULL, NULL, &cursors[j])) != 0) {
+			(void)log_print_err("session.open_cursor", ret, 1);
+			goto err;
+		}
+
+	for (i = 0; i < g.nops && g.running; ++i, sched_yield()) {
+		if ((ret = session->begin_transaction(session, NULL)) != 0) {
+			(void)log_print_err(
+			    "real_worker:begin_transaction", ret, 1);
+			goto err;
+		}
+		keyno = __wt_random(&rnd) % g.nkeys + 1;
+		for (j = 0; j < g.ntables; j++) {
+			if ((ret = worker_op(cursors[j], keyno, i)) != 0)
+				break;
+		}
+		if (ret == 0) {
+			if ((ret = session->commit_transaction(
+			    session, NULL)) != 0) {
+				(void)log_print_err(
+				    "real_worker:commit_transaction", ret, 1);
+				goto err;
+			    }
+		} else if (ret == WT_ROLLBACK) {
+			if ((ret = session->rollback_transaction(
+			   session, NULL)) != 0) {
+				(void)log_print_err(
+				    "real_worker:rollback_transaction", ret, 1);
+				goto err;
+			    }
+		} else {
+			(void)log_print_err("worker op failed", ret, 1);
+			goto err;
+		}
+	}
+
+err:	if ((t_ret = session->close(session, NULL)) != 0 && ret == 0) {
+		ret = t_ret;
+		(void)log_print_err("session.close", ret, 1);
+	}
+	free(cursors);
+
+	return (ret);
+}