--- /dev/null
+/*
+ * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#define _GNU_SOURCE
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+
+#include <lttng/lttng.h>
+#include <bin/lttng-sessiond/lttng-ust-abi.h>
+#include <common/defaults.h>
+#include <bin/lttng-sessiond/trace-ust.h>
+
+#include "utils.h"
+
+/* This path will NEVER be created in this test */
+#define PATH1 "/tmp/.test-junk-lttng"
+
+#define RANDOM_STRING_LEN 11
+
+/* For lttngerr.h */
+int lttng_opt_quiet = 1;
+int lttng_opt_verbose;
+
+static const char alphanum[] =
+ "0123456789"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz";
+static char random_string[RANDOM_STRING_LEN];
+
+static struct ltt_ust_session *usess;
+static struct lttng_domain dom;
+
+/*
+ * Return random string of 10 characters.
+ * Not thread-safe.
+ */
+static char *get_random_string(void)
+{
+ int i;
+
+ for (i = 0; i < RANDOM_STRING_LEN - 1; i++) {
+ random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
+ }
+
+ random_string[RANDOM_STRING_LEN - 1] = '\0';
+
+ return random_string;
+}
+
+static void create_one_ust_session(void)
+{
+ printf("Create UST session: ");
+
+ dom.type = LTTNG_DOMAIN_UST;
+
+ usess = trace_ust_create_session(PATH1, 42, &dom);
+ assert(usess != NULL);
+ PRINT_OK();
+
+ printf("Validating UST session: ");
+ assert(usess->id == 42);
+ assert(usess->start_trace == 0);
+ assert(usess->domain_global.channels != NULL);
+ assert(usess->domain_pid != NULL);
+ assert(usess->domain_exec != NULL);
+ assert(usess->uid == 0);
+ assert(usess->gid == 0);
+ PRINT_OK();
+
+ trace_ust_destroy_session(usess);
+}
+
+static void create_ust_metadata(void)
+{
+ struct ltt_ust_metadata *metadata;
+
+ assert(usess != NULL);
+
+ printf("Create UST metadata: ");
+ metadata = trace_ust_create_metadata(PATH1);
+ assert(metadata != NULL);
+ PRINT_OK();
+
+ printf("Validating UST session metadata: ");
+ assert(metadata->handle == -1);
+ assert(strlen(metadata->pathname));
+ assert(metadata->attr.overwrite
+ == DEFAULT_CHANNEL_OVERWRITE);
+ assert(metadata->attr.subbuf_size
+ == DEFAULT_METADATA_SUBBUF_SIZE);
+ assert(metadata->attr.num_subbuf
+ == DEFAULT_METADATA_SUBBUF_NUM);
+ assert(metadata->attr.switch_timer_interval
+ == DEFAULT_CHANNEL_SWITCH_TIMER);
+ assert(metadata->attr.read_timer_interval
+ == DEFAULT_CHANNEL_READ_TIMER);
+ assert(metadata->attr.output == LTTNG_UST_MMAP);
+ PRINT_OK();
+
+ trace_ust_destroy_metadata(metadata);
+}
+
+static void create_ust_channel(void)
+{
+ struct ltt_ust_channel *uchan;
+ struct lttng_channel attr;
+
+ memset(&attr, 0, sizeof(attr));
+
+ strncpy(attr.name, "channel0", 8);
+
+ printf("Creating UST channel: ");
+ uchan = trace_ust_create_channel(&attr, PATH1);
+ assert(uchan != NULL);
+ PRINT_OK();
+
+ printf("Validating UST channel: ");
+ assert(uchan->enabled == 0);
+ assert(strcmp(PATH1, uchan->pathname) == 0);
+ assert(strncmp(uchan->name, "channel0", 8) == 0);
+ assert(uchan->name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0');
+ assert(uchan->ctx != NULL);
+ assert(uchan->events != NULL);
+ assert(uchan->attr.overwrite == attr.attr.overwrite);
+ PRINT_OK();
+
+ trace_ust_destroy_channel(uchan);
+}
+
+static void create_ust_event(void)
+{
+ struct ltt_ust_event *event;
+ struct lttng_event ev;
+
+ memset(&ev, 0, sizeof(ev));
+ strncpy(ev.name, get_random_string(), LTTNG_SYMBOL_NAME_LEN);
+ ev.type = LTTNG_EVENT_TRACEPOINT;
+ ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
+
+ printf("Creating UST event: ");
+ event = trace_ust_create_event(&ev);
+ assert(event != NULL);
+ PRINT_OK();
+
+ printf("Validating UST event: ");
+ assert(event->enabled == 0);
+ assert(event->ctx != NULL);
+ assert(event->attr.instrumentation == LTTNG_UST_TRACEPOINT);
+ assert(strcmp(event->attr.name, ev.name) == 0);
+ assert(event->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] == '\0');
+ PRINT_OK();
+
+ trace_ust_destroy_event(event);
+}
+
+static void create_ust_context(void)
+{
+ struct lttng_event_context ectx;
+ struct ltt_ust_context *uctx;
+
+ ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;
+
+ printf("Creating UST context: ");
+ uctx = trace_ust_create_context(&ectx);
+ assert(uctx != NULL);
+ PRINT_OK();
+
+ printf("Validating UST context: ");
+ assert((int) uctx->ctx.ctx == LTTNG_UST_CONTEXT_VTID);
+ PRINT_OK();
+}
+
+int main(int argc, char **argv)
+{
+ printf("\nTesting UST data structures:\n-----------\n");
+
+ create_one_ust_session();
+ create_ust_metadata();
+ create_ust_channel();
+ create_ust_event();
+ create_ust_context();
+
+ /* Success */
+ return 0;
+}
projects / lttng-tools.git / blobdiff