extern int yydebug;
+static
struct trace_descriptor *ctf_open_trace(const char *path, int flags);
+static
void ctf_close_trace(struct trace_descriptor *descriptor);
static
.close_trace = ctf_close_trace,
};
+static
+void ctf_update_timestamp(struct ctf_stream *stream,
+ struct definition_integer *integer_definition)
+{
+ struct declaration_integer *integer_declaration =
+ integer_definition->declaration;
+ uint64_t oldval, newval, updateval;
+
+ if (integer_declaration->len == 64) {
+ stream->timestamp = integer_definition->value._unsigned;
+ return;
+ }
+ /* keep low bits */
+ oldval = stream->timestamp;
+ oldval &= (1ULL << integer_declaration->len) - 1;
+ newval = integer_definition->value._unsigned;
+ /* Test for overflow by comparing low bits */
+ if (newval < oldval)
+ newval += 1ULL << integer_declaration->len;
+ /* updateval contains old high bits, and new low bits (sum) */
+ updateval = stream->timestamp;
+ updateval &= ~((1ULL << integer_declaration->len) - 1);
+ updateval += newval;
+ stream->timestamp = updateval;
+}
+
static
int ctf_read_event(struct stream_pos *ppos, struct ctf_stream *stream)
{
struct ctf_stream_pos *pos =
container_of(ppos, struct ctf_stream_pos, parent);
struct ctf_stream_class *stream_class = stream->stream_class;
- struct ctf_event *event_class;
+ struct ctf_stream_event *event;
uint64_t id = 0;
int ret;
return EOF;
/* Read event header */
- if (stream_class->event_header) {
+ if (stream->stream_event_header) {
struct definition_integer *integer_definition;
+ struct definition *variant;
- ret = generic_rw(ppos, &stream_class->event_header->p);
+ ret = generic_rw(ppos, &stream->stream_event_header->p);
if (ret)
goto error;
/* lookup event id */
- integer_definition = lookup_integer(&stream_class->event_header->p, "id", FALSE);
+ integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE);
if (integer_definition) {
id = integer_definition->value._unsigned;
} else {
struct definition_enum *enum_definition;
- enum_definition = lookup_enum(&stream_class->event_header->p, "id", FALSE);
+ enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE);
if (enum_definition) {
id = enum_definition->integer->value._unsigned;
}
}
+ variant = lookup_variant(&stream->stream_event_header->p, "v");
+ if (variant) {
+ integer_definition = lookup_integer(variant, "id", FALSE);
+ if (integer_definition) {
+ id = integer_definition->value._unsigned;
+ }
+ }
+
/* lookup timestamp */
- integer_definition = lookup_integer(&stream_class->event_header->p, "timestamp", FALSE);
+ integer_definition = lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE);
if (integer_definition) {
- stream->timestamp = integer_definition->value._unsigned;
+ ctf_update_timestamp(stream, integer_definition);
} else {
- struct definition *definition;
-
- definition = lookup_variant(&stream_class->event_header->p, "v");
- if (definition) {
- integer_definition = lookup_integer(definition, "id", FALSE);
+ if (variant) {
+ integer_definition = lookup_integer(variant, "timestamp", FALSE);
if (integer_definition) {
- id = integer_definition->value._unsigned;
- }
- integer_definition = lookup_integer(definition, "timestamp", FALSE);
- if (integer_definition) {
- stream->timestamp = integer_definition->value._unsigned;
+ ctf_update_timestamp(stream, integer_definition);
}
}
}
}
/* Read stream-declared event context */
- if (stream_class->event_context) {
- ret = generic_rw(ppos, &stream_class->event_context->p);
+ if (stream->stream_event_context) {
+ ret = generic_rw(ppos, &stream->stream_event_context->p);
if (ret)
goto error;
}
fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id);
return -EINVAL;
}
- event_class = g_ptr_array_index(stream_class->events_by_id, id);
- if (!event_class) {
+ event = g_ptr_array_index(stream->events_by_id, id);
+ if (!event) {
fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
return -EINVAL;
}
/* Read event-declared event context */
- if (event_class->context) {
- ret = generic_rw(ppos, &event_class->context->p);
+ if (event->event_context) {
+ ret = generic_rw(ppos, &event->event_context->p);
if (ret)
goto error;
}
/* Read event payload */
- if (event_class->fields) {
- ret = generic_rw(ppos, &event_class->fields->p);
+ if (event->event_fields) {
+ ret = generic_rw(ppos, &event->event_fields->p);
if (ret)
goto error;
}
int ctf_write_event(struct stream_pos *pos, struct ctf_stream *stream)
{
struct ctf_stream_class *stream_class = stream->stream_class;
- struct ctf_event *event_class;
+ struct ctf_stream_event *event;
uint64_t id = 0;
- int len_index;
int ret;
/* print event header */
- if (stream_class->event_header) {
+ if (stream->stream_event_header) {
+ struct definition_integer *integer_definition;
+ struct definition *variant;
+
/* lookup event id */
- len_index = struct_declaration_lookup_field_index(stream_class->event_header_decl,
- g_quark_from_static_string("id"));
- if (len_index >= 0) {
- struct definition_integer *defint;
- struct definition *field;
+ integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE);
+ if (integer_definition) {
+ id = integer_definition->value._unsigned;
+ } else {
+ struct definition_enum *enum_definition;
- field = struct_definition_get_field_from_index(stream_class->event_header, len_index);
- assert(field->declaration->id == CTF_TYPE_INTEGER);
- defint = container_of(field, struct definition_integer, p);
- assert(defint->declaration->signedness == FALSE);
- id = defint->value._unsigned; /* set id */
+ enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE);
+ if (enum_definition) {
+ id = enum_definition->integer->value._unsigned;
+ }
}
- ret = generic_rw(pos, &stream_class->event_header->p);
+ variant = lookup_variant(&stream->stream_event_header->p, "v");
+ if (variant) {
+ integer_definition = lookup_integer(variant, "id", FALSE);
+ if (integer_definition) {
+ id = integer_definition->value._unsigned;
+ }
+ }
+
+ ret = generic_rw(pos, &stream->stream_event_header->p);
if (ret)
goto error;
}
/* print stream-declared event context */
- if (stream_class->event_context) {
- ret = generic_rw(pos, &stream_class->event_context->p);
+ if (stream->stream_event_context) {
+ ret = generic_rw(pos, &stream->stream_event_context->p);
if (ret)
goto error;
}
fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id);
return -EINVAL;
}
- event_class = g_ptr_array_index(stream_class->events_by_id, id);
- if (!event_class) {
+ event = g_ptr_array_index(stream->events_by_id, id);
+ if (!event) {
fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
return -EINVAL;
}
/* print event-declared event context */
- if (event_class->context) {
- ret = generic_rw(pos, &event_class->context->p);
+ if (event->event_context) {
+ ret = generic_rw(pos, &event->event_context->p);
if (ret)
goto error;
}
/* Read and print event payload */
- if (event_class->fields) {
- ret = generic_rw(pos, &event_class->fields->p);
+ if (event->event_fields) {
+ ret = generic_rw(pos, &event->event_fields->p);
if (ret)
goto error;
}
void ctf_move_pos_slow(struct ctf_stream_pos *pos, size_t offset, int whence)
{
+ struct ctf_file_stream *file_stream =
+ container_of(pos, struct ctf_file_stream, pos);
int ret;
off_t off;
struct packet_index *index;
pos->mmap_offset = index->offset;
/* Lookup context/packet size in index */
+ file_stream->stream.timestamp = index->timestamp_begin;
pos->content_size = index->content_size;
pos->packet_size = index->packet_size;
- pos->offset = index->data_offset;
+ if (index->data_offset < index->content_size)
+ pos->offset = 0; /* will read headers */
+ else {
+ pos->offset = EOF;
+ return;
+ }
}
/* map new base. Need mapping length from header. */
pos->base = mmap(NULL, pos->packet_size / CHAR_BIT, pos->prot,
strerror(errno));
assert(0);
}
+
+ /* update trace_packet_header and stream_packet_context */
+ if (pos->prot != PROT_WRITE && file_stream->stream.trace_packet_header) {
+ /* Read packet header */
+ ret = generic_rw(&pos->parent, &file_stream->stream.trace_packet_header->p);
+ assert(!ret);
+ }
+ if (pos->prot != PROT_WRITE && file_stream->stream.stream_packet_context) {
+ /* Read packet context */
+ ret = generic_rw(&pos->parent, &file_stream->stream.stream_packet_context->p);
+ assert(!ret);
+ }
}
static
return -EINVAL;
}
- toread = header.content_size / CHAR_BIT;
+ toread = (header.content_size / CHAR_BIT) - header_sizeof(header);
for (;;) {
readlen = fread(buf, sizeof(char), min(sizeof(buf), toread), in);
ret = -EINVAL;
break;
}
- printf("read %s\n", buf);
+ if (babeltrace_debug) {
+ fprintf(stdout, "[debug] metadata packet read: %s\n",
+ buf);
+ }
+
writelen = fwrite(buf, sizeof(char), readlen, out);
if (writelen < readlen) {
ret = -EIO;
int ret;
in = *fp;
+ /*
+ * Using strlen on *buf instead of size of open_memstream
+ * because its size includes garbage at the end (after final
+ * \0). This is the allocated size, not the actual string size.
+ */
out = open_memstream(buf, &size);
if (out == NULL)
return -errno;
fclose(out); /* flush the buffer */
fclose(in);
/* open for reading */
- *fp = fmemopen(*buf, size, "rb");
+ *fp = fmemopen(*buf, strlen(*buf), "rb");
return 0;
}
return ret;
}
+static
+struct ctf_stream_event *create_event_definitions(struct ctf_trace *td,
+ struct ctf_stream *stream,
+ struct ctf_event *event)
+{
+ struct ctf_stream_event *stream_event = g_new0(struct ctf_stream_event, 1);
+
+ if (event->context_decl) {
+ struct definition *definition =
+ event->context_decl->p.definition_new(&event->context_decl->p,
+ stream->parent_def_scope, 0, 0, "event.context");
+ if (!definition) {
+ goto error;
+ }
+ stream_event->event_context = container_of(definition,
+ struct definition_struct, p);
+ stream->parent_def_scope = stream_event->event_context->p.scope;
+ }
+ if (event->fields_decl) {
+ struct definition *definition =
+ event->fields_decl->p.definition_new(&event->fields_decl->p,
+ stream->parent_def_scope, 0, 0, "event.fields");
+ if (!definition) {
+ goto error;
+ }
+ stream_event->event_fields = container_of(definition,
+ struct definition_struct, p);
+ stream->parent_def_scope = stream_event->event_fields->p.scope;
+ }
+ return stream_event;
+
+error:
+ if (stream_event->event_fields)
+ definition_unref(&stream_event->event_fields->p);
+ if (stream_event->event_context)
+ definition_unref(&stream_event->event_context->p);
+ return NULL;
+}
+
+static
+int create_stream_definitions(struct ctf_trace *td, struct ctf_stream *stream)
+{
+ struct ctf_stream_class *stream_class;
+ int ret;
+ int i;
+
+ if (stream->stream_definitions_created)
+ return 0;
+
+ stream_class = stream->stream_class;
+
+ if (stream_class->packet_context_decl) {
+ struct definition *definition =
+ stream_class->packet_context_decl->p.definition_new(&stream_class->packet_context_decl->p,
+ stream->parent_def_scope, 0, 0, "stream.packet.context");
+ if (!definition) {
+ ret = -EINVAL;
+ goto error;
+ }
+ stream->stream_packet_context = container_of(definition,
+ struct definition_struct, p);
+ stream->parent_def_scope = stream->stream_packet_context->p.scope;
+ }
+ if (stream_class->event_header_decl) {
+ struct definition *definition =
+ stream_class->event_header_decl->p.definition_new(&stream_class->event_header_decl->p,
+ stream->parent_def_scope, 0, 0, "stream.event.header");
+ if (!definition) {
+ ret = -EINVAL;
+ goto error;
+ }
+ stream->stream_event_header =
+ container_of(definition, struct definition_struct, p);
+ stream->parent_def_scope = stream->stream_event_header->p.scope;
+ }
+ if (stream_class->event_context_decl) {
+ struct definition *definition =
+ stream_class->event_context_decl->p.definition_new(&stream_class->event_context_decl->p,
+ stream->parent_def_scope, 0, 0, "stream.event.context");
+ if (!definition) {
+ ret = -EINVAL;
+ goto error;
+ }
+ stream->stream_event_context =
+ container_of(definition, struct definition_struct, p);
+ stream->parent_def_scope = stream->stream_event_context->p.scope;
+ }
+ stream->events_by_id = g_ptr_array_new();
+ g_ptr_array_set_size(stream->events_by_id, stream_class->events_by_id->len);
+ for (i = 0; i < stream->events_by_id->len; i++) {
+ struct ctf_event *event = g_ptr_array_index(stream_class->events_by_id, i);
+ struct ctf_stream_event *stream_event;
+
+ if (!event)
+ continue;
+ stream_event = create_event_definitions(td, stream, event);
+ if (!stream_event)
+ goto error_event;
+ g_ptr_array_index(stream->events_by_id, i) = stream_event;
+ }
+ return 0;
+
+error_event:
+ for (i = 0; i < stream->events_by_id->len; i++) {
+ struct ctf_stream_event *stream_event = g_ptr_array_index(stream->events_by_id, i);
+ if (stream_event)
+ g_free(stream_event);
+ }
+ g_ptr_array_free(stream->events_by_id, TRUE);
+error:
+ if (stream->stream_event_context)
+ definition_unref(&stream->stream_event_context->p);
+ if (stream->stream_event_header)
+ definition_unref(&stream->stream_event_header->p);
+ if (stream->stream_packet_context)
+ definition_unref(&stream->stream_packet_context->p);
+ return ret;
+}
+
static
int create_stream_packet_index(struct ctf_trace *td,
if (ret < 0)
return ret;
+ if (filestats.st_size < MAX_PACKET_HEADER_LEN / CHAR_BIT)
+ return -EINVAL;
+
for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) {
uint64_t stream_id = 0;
packet_index.offset = pos->mmap_offset;
packet_index.content_size = 0;
packet_index.packet_size = 0;
+ packet_index.timestamp_begin = 0;
+ packet_index.timestamp_end = 0;
/* read and check header, set stream id (and check) */
- if (td->packet_header) {
+ if (file_stream->stream.trace_packet_header) {
/* Read packet header */
- ret = generic_rw(&pos->parent, &td->packet_header->p);
+ ret = generic_rw(&pos->parent, &file_stream->stream.trace_packet_header->p);
if (ret)
return ret;
- len_index = struct_declaration_lookup_field_index(td->packet_header->declaration, g_quark_from_static_string("magic"));
+ len_index = struct_declaration_lookup_field_index(file_stream->stream.trace_packet_header->declaration, g_quark_from_static_string("magic"));
if (len_index >= 0) {
struct definition_integer *defint;
struct definition *field;
- field = struct_definition_get_field_from_index(td->packet_header, len_index);
+ field = struct_definition_get_field_from_index(file_stream->stream.trace_packet_header, len_index);
assert(field->declaration->id == CTF_TYPE_INTEGER);
defint = container_of(field, struct definition_integer, p);
assert(defint->declaration->signedness == FALSE);
}
/* check uuid */
- len_index = struct_declaration_lookup_field_index(td->packet_header->declaration, g_quark_from_static_string("uuid"));
+ len_index = struct_declaration_lookup_field_index(file_stream->stream.trace_packet_header->declaration, g_quark_from_static_string("uuid"));
if (len_index >= 0) {
struct definition_array *defarray;
struct definition *field;
uint64_t i;
uint8_t uuidval[UUID_LEN];
- field = struct_definition_get_field_from_index(td->packet_header, len_index);
+ field = struct_definition_get_field_from_index(file_stream->stream.trace_packet_header, len_index);
assert(field->declaration->id == CTF_TYPE_ARRAY);
defarray = container_of(field, struct definition_array, p);
assert(array_len(defarray) == UUID_LEN);
}
- len_index = struct_declaration_lookup_field_index(td->packet_header->declaration, g_quark_from_static_string("stream_id"));
+ len_index = struct_declaration_lookup_field_index(file_stream->stream.trace_packet_header->declaration, g_quark_from_static_string("stream_id"));
if (len_index >= 0) {
struct definition_integer *defint;
struct definition *field;
- field = struct_definition_get_field_from_index(td->packet_header, len_index);
+ field = struct_definition_get_field_from_index(file_stream->stream.trace_packet_header, len_index);
assert(field->declaration->id == CTF_TYPE_INTEGER);
defint = container_of(field, struct definition_integer, p);
assert(defint->declaration->signedness == FALSE);
}
first_packet = 0;
- if (stream->packet_context) {
+ ret = create_stream_definitions(td, &file_stream->stream);
+ if (ret)
+ return ret;
+
+ if (file_stream->stream.stream_packet_context) {
/* Read packet context */
- ret = generic_rw(&pos->parent, &stream->packet_context->p);
+ ret = generic_rw(&pos->parent, &file_stream->stream.stream_packet_context->p);
if (ret)
return ret;
/* read content size from header */
- len_index = struct_declaration_lookup_field_index(stream->packet_context->declaration, g_quark_from_static_string("content_size"));
+ len_index = struct_declaration_lookup_field_index(file_stream->stream.stream_packet_context->declaration, g_quark_from_static_string("content_size"));
if (len_index >= 0) {
struct definition_integer *defint;
struct definition *field;
- field = struct_definition_get_field_from_index(stream->packet_context, len_index);
+ field = struct_definition_get_field_from_index(file_stream->stream.stream_packet_context, len_index);
assert(field->declaration->id == CTF_TYPE_INTEGER);
defint = container_of(field, struct definition_integer, p);
assert(defint->declaration->signedness == FALSE);
}
/* read packet size from header */
- len_index = struct_declaration_lookup_field_index(stream->packet_context->declaration, g_quark_from_static_string("packet_size"));
+ len_index = struct_declaration_lookup_field_index(file_stream->stream.stream_packet_context->declaration, g_quark_from_static_string("packet_size"));
if (len_index >= 0) {
struct definition_integer *defint;
struct definition *field;
- field = struct_definition_get_field_from_index(stream->packet_context, len_index);
+ field = struct_definition_get_field_from_index(file_stream->stream.stream_packet_context, len_index);
assert(field->declaration->id == CTF_TYPE_INTEGER);
defint = container_of(field, struct definition_integer, p);
assert(defint->declaration->signedness == FALSE);
/* Use content size if non-zero, else file size */
packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT;
}
+
+ /* read timestamp begin from header */
+ len_index = struct_declaration_lookup_field_index(file_stream->stream.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin"));
+ if (len_index >= 0) {
+ struct definition_integer *defint;
+ struct definition *field;
+
+ field = struct_definition_get_field_from_index(file_stream->stream.stream_packet_context, len_index);
+ assert(field->declaration->id == CTF_TYPE_INTEGER);
+ defint = container_of(field, struct definition_integer, p);
+ assert(defint->declaration->signedness == FALSE);
+ packet_index.timestamp_begin = defint->value._unsigned;
+ }
+
+ /* read timestamp end from header */
+ len_index = struct_declaration_lookup_field_index(file_stream->stream.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end"));
+ if (len_index >= 0) {
+ struct definition_integer *defint;
+ struct definition *field;
+
+ field = struct_definition_get_field_from_index(file_stream->stream.stream_packet_context, len_index);
+ assert(field->declaration->id == CTF_TYPE_INTEGER);
+ defint = container_of(field, struct definition_integer, p);
+ assert(defint->declaration->signedness == FALSE);
+ packet_index.timestamp_end = defint->value._unsigned;
+ }
} else {
/* Use file size for packet size */
packet_index.content_size = filestats.st_size * CHAR_BIT;
return 0;
}
+static
+int create_trace_definitions(struct ctf_trace *td, struct ctf_stream *stream)
+{
+ int ret;
+
+ if (td->packet_header_decl) {
+ struct definition *definition =
+ td->packet_header_decl->p.definition_new(&td->packet_header_decl->p,
+ stream->parent_def_scope, 0, 0, "trace.packet.header");
+ if (!definition) {
+ ret = -EINVAL;
+ goto error;
+ }
+ stream->trace_packet_header =
+ container_of(definition, struct definition_struct, p);
+ stream->parent_def_scope = stream->trace_packet_header->p.scope;
+ }
+
+ return 0;
+
+error:
+ return ret;
+}
+
/*
* Note: many file streams can inherit from the same stream class
* description (metadata).
goto error;
file_stream = g_new0(struct ctf_file_stream, 1);
ctf_init_pos(&file_stream->pos, ret, flags);
+ ret = create_trace_definitions(td, &file_stream->stream);
+ if (ret)
+ goto error_def;
ret = create_stream_packet_index(td, file_stream);
if (ret)
goto error_index;
return 0;
error_index:
+ if (file_stream->stream.trace_packet_header)
+ definition_unref(&file_stream->stream.trace_packet_header->p);
+error_def:
ctf_fini_pos(&file_stream->pos);
close(file_stream->pos.fd);
g_free(file_stream);
return ret;
}
+static
struct trace_descriptor *ctf_open_trace(const char *path, int flags)
{
struct ctf_trace *td;
close(file_stream->pos.fd);
}
+static
void ctf_close_trace(struct trace_descriptor *tdp)
{
struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent);
for (i = 0; i < td->streams->len; i++) {
struct ctf_stream_class *stream;
int j;
+
stream = g_ptr_array_index(td->streams, i);
+ if (!stream)
+ continue;
for (j = 0; j < stream->files->len; j++) {
struct ctf_file_stream *file_stream;
file_stream = g_ptr_array_index(stream->files, j);
projects / babeltrace.git / blobdiff