X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=trunk%2Fltt-control%2Fliblttctl%2Flttctl.h;fp=trunk%2Fltt-control%2Fliblttctl%2Flttctl.h;h=053c0f47b94005478f03c446edaf3988334c6f82;hb=f64efc67a081bb9013f5939ec9e4ca514cd94d0f;hp=0000000000000000000000000000000000000000;hpb=b7898ea36bca61bf37cc682ba5a92bc27189e8d5;p=ltt-control.git

diff --git a/trunk/ltt-control/liblttctl/lttctl.h b/trunk/ltt-control/liblttctl/lttctl.h
new file mode 100644
index 0000000..053c0f4
--- /dev/null
+++ b/trunk/ltt-control/liblttctl/lttctl.h
@@ -0,0 +1,99 @@
+/* libltt header file
+ *
+ * Copyright 2005-
+ *		 Mathieu Desnoyers <mathieu.desnoyers@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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ *
+ * Inspired from iptables, by James Morris <jmorris@intercode.com.au>.
+ * 
+ */
+
+#ifndef _LIBLTT_H
+#define _LIBLTT_H
+
+#include <linux/limits.h>
+#include <asm/types.h>
+#include <sys/socket.h>
+#include <linux/netlink.h>
+
+#ifndef NETLINK_LTT
+#define NETLINK_LTT 31
+#endif
+
+
+enum trace_op {
+	OP_CREATE,
+	OP_DESTROY,
+	OP_START,
+	OP_STOP,
+	OP_NONE
+};
+
+enum trace_mode {
+	LTT_TRACE_NORMAL,
+	LTT_TRACE_FLIGHT,
+	LTT_TRACE_HYBRID
+};
+
+typedef struct lttctl_peer_msg {
+	char trace_name[NAME_MAX];
+	char trace_type[NAME_MAX];
+	enum trace_op op;
+	union {
+		struct {
+			enum trace_mode mode;
+			unsigned subbuf_size_low;
+			unsigned n_subbufs_low;
+			unsigned subbuf_size_med;
+			unsigned n_subbufs_med;
+			unsigned subbuf_size_high;
+			unsigned n_subbufs_high;
+		} new_trace;
+	} args;
+} lttctl_peer_msg_t;
+
+
+struct lttctl_handle
+{
+	int fd;
+	//u_int8_t blocking;
+	struct sockaddr_nl local;
+	struct sockaddr_nl peer;
+};
+
+typedef struct lttctl_resp_msg {
+	int err;
+} lttctl_resp_msg_t;
+
+struct lttctl_handle *lttctl_create_handle(void);
+
+int lttctl_destroy_handle(struct lttctl_handle *h);
+
+
+int lttctl_create_trace(const struct lttctl_handle *h,
+		char *name, enum trace_mode mode, char *trace_type,
+		unsigned subbuf_size_low, unsigned n_subbufs_low,
+		unsigned subbuf_size_med, unsigned n_subbufs_med,
+		unsigned subbuf_size_high, unsigned n_subbufs_high);
+
+int lttctl_destroy_trace(const struct lttctl_handle *handle, char *name);
+
+int lttctl_start(const struct lttctl_handle *handle, char *name);
+
+int lttctl_stop(const struct lttctl_handle *handle, char *name);
+
+#define LTTCTLM_BASE	0x10
+#define LTTCTLM_CONTROL	(LTTCTLM_BASE + 1)	/* LTT control message */
+
+#endif //_LIBLTT_H