Include lttng-ctl apps for liblttng-ctl testing

[deliverable/lttng-ivc.git] / lttng_ivc / apps / lttng-ctl / channels_ctl / app.c

diff --git a/lttng_ivc/apps/lttng-ctl/channels_ctl/app.c b/lttng_ivc/apps/lttng-ctl/channels_ctl/app.c
new file mode 100644 (file)
index 0000000..05a8d4e
--- /dev/null
+++ b/lttng_ivc/apps/lttng-ctl/channels_ctl/app.c
@@ -0,0 +1,143 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <inttypes.h>
+#include <lttng/lttng.h>
+
+static enum lttng_domain_type get_domain_type(const char *domain)
+{
+       if (!strcmp("UST", domain)) {
+               return LTTNG_DOMAIN_UST;
+       } else if (!strcmp("KERNEL", domain)) {
+               return LTTNG_DOMAIN_KERNEL;
+       } else {
+               printf("Domain not supported\n");
+               assert(0);
+       }
+}
+
+static int process_channel(struct lttng_channel *channel)
+{
+       int ret;
+       uint64_t uint64 = 0;
+       int64_t int64 = 0;
+
+
+       ret = lttng_channel_get_discarded_event_count(channel, &uint64);
+       if (ret < 0) {
+               ret = 1;
+               goto end;
+       }
+       printf("discarded_event_count: %" PRIu64 "\n", uint64);
+
+       ret = lttng_channel_get_lost_packet_count(channel, &uint64);
+       if (ret < 0) {
+               ret = 1;
+               goto end;
+       }
+       printf("lost packet: %" PRIu64 "\n", uint64);
+
+#ifdef LTTNG_2_10
+       ret = lttng_channel_get_monitor_timer_interval(channel, &uint64);
+       if (ret < 0) {
+               ret = 1;
+               goto end;
+       }
+       printf("monitor timer interval: %" PRIu64 "\n", uint64);
+
+       ret = lttng_channel_get_blocking_timeout(channel, &int64);
+       if (ret < 0) {
+               ret = 1;
+               goto end;
+       }
+       printf("blocking timeout: %" PRId64 "\n", int64);
+
+       /* Setter */
+       ret = lttng_channel_set_blocking_timeout(channel, 100);
+       if (ret < 0) {
+               ret = 1;
+               goto end;
+       }
+
+       ret = lttng_channel_set_monitor_timer_interval(channel, 100);
+       if (ret < 0) {
+               ret = 1;
+               goto end;
+       }
+#endif /* LTTNG_2_10 */
+
+end:
+       return ret;
+}
+
+int main(int argc, char **argv)
+{
+int ret;
+bool found;
+
+if (argc < 4) {
+printf("missing parameters, session name, channel name, domain type\n");
+return 1;
+}
+
+const char *session_name = argv[1];
+const char *channel_name = argv[2];
+const char *domain_str = argv[3];
+
+/* Domain related variables */
+enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;
+struct lttng_domain *domains = NULL;
+struct lttng_domain domain;
+int domain_index = -1;
+
+/* Channel related variables */
+struct lttng_channel *channels = NULL;
+int channel_index = -1;
+
+struct lttng_handle *handle = NULL;
+
+/* Find the domain we are interested in */
+domain_type = get_domain_type(domain_str);
+ret = lttng_list_domains(session_name, &domains);
+for (int i = 0; i < ret; i++) {
+       if (domains[i].type == domain_type) {
+                       domain_index = i;
+               }
+       }
+
+       if (domain_index < 0) {
+               printf("domain not found for session %s\n", session_name);
+               ret = 1;
+               goto end;
+       }
+
+       /* Get the handle */
+
+       handle = lttng_create_handle(session_name, &domains[domain_index]);
+
+       /* Find the channel we are interested in */
+       ret = lttng_list_channels(handle, &channels);
+       for (int i = 0; i < ret; i++) {
+               if (!strcmp(channels[i].name, channel_name)) {
+                       channel_index = i;
+               }
+       }
+
+       if (channel_index < 0) {
+               printf("channel not found for session %s\n", session_name);
+               ret = 1;
+               goto end;
+       }
+
+       ret = process_channel(&channels[channel_index]);
+
+end:
+       free(channels);
+       free(domains);
+       if (handle) {
+               lttng_destroy_handle(handle);
+       }
+       return 0;
+}