fix sync with last babeltrace updates to live handling

[lttngtop.git] / src / lttng-live-comm.h

diff --git a/src/lttng-live-comm.h b/src/lttng-live-comm.h
new file mode 100644 (file)
index 0000000..2638da1
--- /dev/null
+++ b/src/lttng-live-comm.h
@@ -0,0 +1,90 @@
+#ifndef _LTTNG_LIVE_FUNCTIONS_H
+#define _LTTNG_LIVE_FUNCTIONS_H
+
+/*
+ * Copyright 2013 Julien Desfossez <julien.desfossez@efficios.com>
+ *                Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 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 OR COPYRIGHT HOLDERS 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 <stdint.h>
+
+#define LTTNG_METADATA_PATH_TEMPLATE           "/tmp/lttng-live-XXXXXX"
+#define LTTNG_DEFAULT_NETWORK_VIEWER_PORT      5344
+
+#define LTTNG_LIVE_MAJOR                       2
+#define LTTNG_LIVE_MINOR                       4
+
+struct lttng_live_ctx {
+       char traced_hostname[NAME_MAX];
+       char session_name[NAME_MAX];
+       char relay_hostname[NAME_MAX];
+       int control_sock;
+       int port;
+       struct lttng_live_session *session;
+       struct bt_context *bt_ctx;
+       GArray *session_ids;
+};
+
+struct lttng_live_viewer_stream {
+       uint64_t id;
+       uint64_t mmap_size;
+       int fd;
+       int metadata_flag;
+       int first_read;
+       struct lttng_live_session *session;
+       struct lttng_live_ctf_trace *ctf_trace;
+       char path[PATH_MAX];
+};
+
+struct lttng_live_session {
+       uint64_t live_timer_interval;
+       uint64_t stream_count;
+       struct lttng_live_ctx *ctx;
+       struct lttng_live_viewer_stream *streams;
+       GHashTable *ctf_traces;
+};
+
+struct lttng_live_ctf_trace {
+       uint64_t ctf_trace_id;
+       struct lttng_live_viewer_stream *metadata_stream;
+       GPtrArray *streams;
+       FILE *metadata_fp;
+       int trace_id;
+       int in_use;
+};
+
+/* Just used in listing. */
+struct lttng_live_relay_session {
+       uint32_t streams;
+       uint32_t clients;
+       uint32_t timer;
+       char *name;
+       char *hostname;
+};
+
+int lttng_live_connect_viewer(struct lttng_live_ctx *ctx);
+int lttng_live_establish_connection(struct lttng_live_ctx *ctx);
+int lttng_live_list_sessions(struct lttng_live_ctx *ctx, const char *path);
+int lttng_live_attach_session(struct lttng_live_ctx *ctx, uint64_t id);
+void lttng_live_read(struct lttng_live_ctx *ctx);
+int lttng_live_get_new_streams(struct lttng_live_ctx *ctx, uint64_t id);
+
+#endif /* _LTTNG_LIVE_FUNCTIONS_H */