#include <babeltrace/ctf-ir/field-types.h>
#include <babeltrace/ctf-ir/visitor.h>
#include <babeltrace/values.h>
-#include <babeltrace/plugin/notification/notification.h>
+#include <babeltrace/graph/notification.h>
#include <stdint.h>
#ifdef __cplusplus
- <strong>Normal mode</strong>: use bt_ctf_trace_create() to create a
default, empty trace class.
-- <strong>CTF IR writer mode</strong>: use bt_ctf_writer_get_trace() to
- get the trace class created by a given CTF IR writer object.
+- <strong>CTF writer mode</strong>: use bt_ctf_writer_get_trace() to
+ get the trace class created by a given CTF writer object.
A trace class has the following properties:
- A \b name.
- A <strong>default byte order</strong>: all the
- \link ctfirfieldtype field types\endlink eventually part of the trace
+ \link ctfirfieldtypes field types\endlink eventually part of the trace
class with a byte order set to #BT_CTF_BYTE_ORDER_NATIVE have this
"real" byte order.
- An \b environment, which is a custom key-value mapping. Keys are
@imgpacketstructure
A trace class also contains zero or more
-\link ctfirclockclass clock classes\endlink.
+\link ctfirclockclass CTF IR clock classes\endlink.
@todo
Elaborate about clock classes irt clock values.
- bt_ctf_trace_add_stream_class()
- bt_ctf_writer_create_stream()
- (\link ctfirwriter CTF IR writer\endlink mode only)
+ (\link ctfwriter CTF writer\endlink mode only)
You cannot modify a frozen trace class: it is considered immutable,
except for:
- Adding a stream class to it with
bt_ctf_trace_add_stream_class().
-- Adding a clock class to it with bt_ctf_trace_add_clock().
+- Adding a CTF IR clock class to it with bt_ctf_trace_add_clock_class().
- \link refs Reference counting\endlink.
You can add a custom listener with bt_ctf_trace_add_listener() to get
struct bt_ctf_trace;
struct bt_ctf_stream;
struct bt_ctf_stream_class;
-struct bt_ctf_clock;
+struct bt_ctf_clock_class;
/**
@name Creation function
- <strong>Name</strong>: none. You can set a name
with bt_ctf_trace_set_name().
- <strong>Default byte order</strong>: #BT_CTF_BYTE_ORDER_NATIVE. You
- can set a default byte order with bt_ctf_trace_set_byte_order().
+ can set a default byte order with bt_ctf_trace_set_native_byte_order().
Note that you \em must set the default byte order if any field type
contained in the created trace class, in its stream classes, or in
/**
@brief Sets the default byte order of the CTF IR trace class
- \p trace_class to \p name.
+ \p trace_class to \p native_byte_order.
-\p byte_order \em must be one of:
+\p native_byte_order \em must be one of:
- #BT_CTF_BYTE_ORDER_LITTLE_ENDIAN
- #BT_CTF_BYTE_ORDER_BIG_ENDIAN
- #BT_CTF_BYTE_ORDER_NETWORK
-@param[in] trace_class Trace class of which to set the default byte
- order.
-@param[in] byte_order Default byte order of the trace class.
-@returns 0 on success, or a negative value on error.
+@param[in] trace_class Trace class of which to set the default byte
+ order.
+@param[in] native_byte_order Default byte order of the trace class.
+@returns 0 on success, or a negative value on error.
@prenotnull{trace_class}
@prenotnull{name}
@prehot{trace_class}
-@pre \p byte_order is either #BT_CTF_BYTE_ORDER_LITTLE_ENDIAN,
+@pre \p native_byte_order is either #BT_CTF_BYTE_ORDER_LITTLE_ENDIAN,
#BT_CTF_BYTE_ORDER_BIG_ENDIAN, or
#BT_CTF_BYTE_ORDER_NETWORK.
@postrefcountsame{trace_class}
@sa bt_ctf_trace_get_name(): Returns the name of a given trace class.
*/
-extern int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace_class,
- enum bt_ctf_byte_order byte_order);
+extern int bt_ctf_trace_set_native_byte_order(struct bt_ctf_trace *trace_class,
+ enum bt_ctf_byte_order native_byte_order);
/**
@brief Returns the number of entries contained in the environment of
@param[in] trace_class Trace class of which to get the packet
header field type.
@returns Packet header field type of \p trace_class,
- or \c NULL on error.
+ or \c NULL if \p trace_class has no packet header field
+ type or on error.
@prenotnull{trace_class}
-@postsuccessrefcountretinc
+@postrefcountsame{trace_class}
+@post <strong>On success, if the return value is a field type</strong>, its
+ reference count is incremented.
@sa bt_ctf_trace_set_packet_header_type(): Sets the packet
header field type of a given trace class.
/**
@brief Sets the packet header field type of the CTF IR trace class
- \p trace_class to \p packet_context_type.
+ \p trace_class to \p packet_header_type, or unsets the current packet
+ header field type from \p trace_class.
+
+If \p packet_header_type is \c NULL, then this function unsets the current
+packet header field type from \p trace_class, effectively making \p trace_class
+a trace without a packet header field type.
-As of Babeltrace \btversion, \p packet_context_type \em must be a
-CTF IR structure field type object.
+As of Babeltrace \btversion, if \p packet_header_type is not \c NULL,
+\p packet_header_type \em must be a CTF IR structure field type object.
@param[in] trace_class Trace class of which to set the packet
header field type.
-@param[in] packet_header_type Packet header field type.
+@param[in] packet_header_type Packet header field type, or \c NULL to unset
+ the current packet header field type.
@returns 0 on success, or a negative value on error.
@prenotnull{trace_class}
-@prenotnull{packet_header_type}
@prehot{trace_class}
-@preisstructft{packet_header_type}
+@pre <strong>\p packet_header_type, if not \c NULL</strong>, is a CTF IR
+ structure field type.
@postrefcountsame{trace_class}
-@postsuccessrefcountinc{packet_header_type}
+@post <strong>On success, if \p packet_header_type is not \c NULL</strong>,
+ the reference count of \p packet_header_type is incremented.
@sa bt_ctf_trace_get_packet_header_type(): Returns the packet
header field type of a given trace class.
/** @} */
/**
-@name Clock class children functions
+@name Contained clock classes functions
@{
*/
/**
-@brief Returns the number of clock classes contained in the
+@brief Returns the number of CTF IR clock classes contained in the
CTF IR trace class \p trace_class.
@param[in] trace_class Trace class of which to get the number
- of children clock classes.
-@returns Number of children clock classes
+ of contained clock classes.
+@returns Number of contained clock classes
contained in \p trace_class, or a negative
value on error.
@prenotnull{trace_class}
@postrefcountsame{trace_class}
*/
-extern int bt_ctf_trace_get_clock_count(struct bt_ctf_trace *trace_class);
+extern int bt_ctf_trace_get_clock_class_count(struct bt_ctf_trace *trace_class);
/**
-@brief Returns the clock class at index \p index in the CTF IR trace
- class \p trace_class.
+@brief Returns the CTF IR clock class at index \p index in the CTF
+ IR trace class \p trace_class.
-@param[in] trace_class Trace class of which to get the clock class.
-@param[in] index Index of the clock class to find.
-@returns Clock class at index \p index, or \c NULL
- on error.
+@param[in] trace_class Trace class of which to get the clock class
+ contained at index \p index.
+@param[in] index Index of the clock class to find in
+ \p trace_class.
+@returns Clock class at index \p index in \p trace_class,
+ or \c NULL on error.
@prenotnull{trace_class}
@pre \p index is lesser than the number of clock classes contained in
the trace class \p trace_class (see
- bt_ctf_trace_get_clock_count()).
+ bt_ctf_trace_get_clock_class_count()).
@postrefcountsame{trace_class}
@postsuccessrefcountretinc
-@sa bt_ctf_trace_get_clock_by_name(): Finds a clock class by name.
-@sa bt_ctf_trace_add_clock(): Adds a clock class to a trace class.
+@sa bt_ctf_trace_get_clock_class_by_name(): Finds a clock class by name
+ in a given trace class.
+@sa bt_ctf_trace_add_clock_class(): Adds a clock class to a trace class.
*/
-extern struct bt_ctf_clock *bt_ctf_trace_get_clock(
+extern struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class(
struct bt_ctf_trace *trace_class, int index);
/**
-@brief Returns the clock class named \c name found in the CTF IR trace
- class \p trace_class.
+@brief Returns the CTF IR clock class named \c name found in the CTF
+ IR trace class \p trace_class.
-@param[in] trace_class Trace class of which to get the clock class.
-@param[in] name Name of the clock class to find.
-@returns Clock class named \p name, or \c NULL
- on error.
+@param[in] trace_class Trace class of which to get the clock class
+ named \p name.
+@param[in] name Name of the clock class to find in \p trace_class.
+@returns Clock class named \p name in \p trace_class,
+ or \c NULL on error.
@prenotnull{trace_class}
@prenotnull{name}
@postrefcountsame{trace_class}
@postsuccessrefcountretinc
-@sa bt_ctf_trace_get_clock(): Returns the clock class contained in a
- given trace class at a given index.
-@sa bt_ctf_trace_add_clock(): Adds a clock class to a trace class.
+@sa bt_ctf_trace_get_clock_class(): Returns the clock class contained
+ in a given trace class at a given index.
+@sa bt_ctf_trace_add_clock_class(): Adds a clock class to a trace class.
*/
-extern struct bt_ctf_clock *bt_ctf_trace_get_clock_by_name(
+extern struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_name(
struct bt_ctf_trace *trace_class, const char *name);
/**
@brief Adds the CTF IR clock class \p clock_class to the CTF IR
trace class \p trace_class.
-On success, \p clock_class becomes the child of \p trace_class.
+On success, \p trace_class contains \p clock_class.
-You can call this function even if \p trace_class is frozen.
+You can call this function even if \p trace_class or \p clock_class
+are frozen.
@param[in] trace_class Trace class to which to add \p clock_class.
@param[in] clock_class Clock class to add to \p trace_class.
@post <strong>On success, if \p trace_class is frozen</strong>,
\p clock_class is frozen.
-@sa bt_ctf_trace_get_clock(): Returns the clock class contained in a
- given trace class at a given index.
-@sa bt_ctf_trace_get_clock_by_name(): Finds a clock class by name.
+@sa bt_ctf_trace_get_clock_class(): Returns the clock class contained
+ in a given trace class at a given index.
+@sa bt_ctf_trace_get_clock_class_by_name(): Finds a clock class by name
+ in a given trace class.
*/
-extern int bt_ctf_trace_add_clock(struct bt_ctf_trace *trace_class,
- struct bt_ctf_clock *clock_class);
+extern int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace_class,
+ struct bt_ctf_clock_class *clock_class);
/** @} */
the trace class \p trace_class (see
bt_ctf_trace_get_stream_class_count()).
@postrefcountsame{trace_class}
-@postsuccessrefcountretinc
@sa bt_ctf_trace_get_stream_class_by_id(): Finds a stream class by ID.
@sa bt_ctf_trace_add_stream_class(): Adds a stream class to a trace class.
@postrefcountsame{trace_class}
@postsuccessrefcountretinc
-@sa bt_ctf_trace_get_clock(): Returns the stream class contained in a
- given trace class at a given index.
+@sa bt_ctf_trace_get_stream_class(): Returns the stream class contained
+ in a given trace class at a given index.
@sa bt_ctf_trace_add_stream_class(): Adds a stream class to a trace class.
*/
extern struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id(
You can call this function even if \p trace_class is frozen.
+This function tries to resolve the needed
+\link ctfirfieldtypes CTF IR field type\endlink of the dynamic field
+types that are found anywhere in the root field types of
+\p stream_class and of all its currently contained
+\link ctfireventclass CTF IR event classes\endlink. If any automatic
+resolving fails, then this function fails.
+
@param[in] trace_class Trace class to which to add \p stream_class.
@param[in] stream_class Stream class to add to \p trace_class.
@returns 0 on success, or a negative value on error.
@postsuccessrefcountinc{stream_class}
@postsuccessfrozen{stream_class}
-@sa bt_ctf_trace_get_clock(): Returns the stream class contained in a
- given trace class at a given index.
+@sa bt_ctf_trace_get_stream_class(): Returns the stream class contained
+ in a given trace class at a given index.
@sa bt_ctf_trace_get_stream_class_by_id(): Finds a stream class by ID.
*/
extern int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace_class,
@prenotnull{trace_class}
@prenotnull{listener}
+@postrefcountsame{trace_class}
*/
extern int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace_class,
bt_ctf_listener_cb listener, void *data);
/** @} */
+/** @} */
+
/*
* bt_ctf_trace_get_metadata_string: get metadata string.
*