*
* Format registration.
*
- * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: 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
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_class->event_header->p, "v");
+ variant = lookup_variant(&stream->stream_event_header->p, "v");
if (variant) {
integer_definition = lookup_integer(variant, "id", FALSE);
if (integer_definition) {
}
/* lookup timestamp */
- integer_definition = lookup_integer(&stream_class->event_header->p, "timestamp", FALSE);
+ stream->has_timestamp = 0;
+ integer_definition = lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE);
if (integer_definition) {
ctf_update_timestamp(stream, integer_definition);
+ stream->has_timestamp = 1;
} else {
if (variant) {
integer_definition = lookup_integer(variant, "timestamp", FALSE);
if (integer_definition) {
ctf_update_timestamp(stream, integer_definition);
+ stream->has_timestamp = 1;
}
}
}
}
/* 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 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 */
- 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_class->event_header->p, "v");
+ variant = lookup_variant(&stream->stream_event_header->p, "v");
if (variant) {
integer_definition = lookup_integer(variant, "id", FALSE);
if (integer_definition) {
}
}
- ret = generic_rw(pos, &stream_class->event_header->p);
+ 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->parent.timestamp = index->timestamp_begin;
pos->content_size = index->content_size;
pos->packet_size = index->packet_size;
if (index->data_offset < index->content_size)
- pos->offset = index->data_offset;
+ pos->offset = 0; /* will read headers */
else {
pos->offset = EOF;
return;
strerror(errno));
assert(0);
}
+
+ /* update trace_packet_header and stream_packet_context */
+ if (pos->prot != PROT_WRITE && file_stream->parent.trace_packet_header) {
+ /* Read packet header */
+ ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p);
+ assert(!ret);
+ }
+ if (pos->prot != PROT_WRITE && file_stream->parent.stream_packet_context) {
+ /* Read packet context */
+ ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p);
+ assert(!ret);
+ }
}
static
{
struct metadata_packet_header header;
size_t readlen, writelen, toread;
- char buf[4096];
+ char buf[4096 + 1]; /* + 1 for debug-mode \0 */
int ret = 0;
readlen = fread(&header, header_sizeof(header), 1, in);
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);
+ readlen = fread(buf, sizeof(char), min(sizeof(buf) - 1, toread), in);
if (ferror(in)) {
ret = -EINVAL;
break;
}
if (babeltrace_debug) {
+ buf[readlen] = '\0';
fprintf(stdout, "[debug] metadata packet read: %s\n",
buf);
}
int ctf_open_trace_metadata_read(struct ctf_trace *td)
{
struct ctf_scanner *scanner;
+ struct ctf_file_stream *metadata_stream;
FILE *fp;
char *buf = NULL;
int ret = 0;
- td->metadata.pos.fd = openat(td->dirfd, "metadata", O_RDONLY);
- if (td->metadata.pos.fd < 0) {
+ metadata_stream = g_new0(struct ctf_file_stream, 1);
+ td->metadata = &metadata_stream->parent;
+ metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY);
+ if (metadata_stream->pos.fd < 0) {
fprintf(stdout, "Unable to open metadata.\n");
- return td->metadata.pos.fd;
+ return metadata_stream->pos.fd;
}
if (babeltrace_debug)
yydebug = 1;
- fp = fdopen(td->metadata.pos.fd, "r");
+ fp = fdopen(metadata_stream->pos.fd, "r");
if (!fp) {
fprintf(stdout, "[error] Unable to open metadata stream.\n");
ret = -errno;
fclose(fp);
free(buf);
end_stream:
- close(td->metadata.pos.fd);
+ close(metadata_stream->pos.fd);
+ if (ret)
+ g_free(metadata_stream);
+ 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;
}
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->parent.trace_packet_header) {
/* Read packet header */
- ret = generic_rw(&pos->parent, &td->packet_header->p);
+ ret = generic_rw(&pos->parent, &file_stream->parent.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->parent.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->parent.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->parent.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->parent.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->parent.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->parent.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);
}
}
- if (!first_packet && file_stream->stream_id != stream_id) {
+ if (!first_packet && file_stream->parent.stream_id != stream_id) {
fprintf(stdout, "[error] Stream ID is changing within a stream.\n");
return -EINVAL;
}
if (first_packet) {
- file_stream->stream_id = stream_id;
+ file_stream->parent.stream_id = stream_id;
if (stream_id >= td->streams->len) {
fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
return -EINVAL;
fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
return -EINVAL;
}
- file_stream->stream.stream_class = stream;
+ file_stream->parent.stream_class = stream;
+ ret = create_stream_definitions(td, &file_stream->parent);
+ if (ret)
+ return ret;
}
first_packet = 0;
- if (stream->packet_context) {
+ if (file_stream->parent.stream_packet_context) {
/* Read packet context */
- ret = generic_rw(&pos->parent, &stream->packet_context->p);
+ ret = generic_rw(&pos->parent, &file_stream->parent.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->parent.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->parent.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->parent.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->parent.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->parent.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->parent.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->parent.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->parent.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;
if (packet_index.packet_size > (filestats.st_size - packet_index.offset) * CHAR_BIT) {
fprintf(stdout, "[error] Packet size (%zu bits) is larger than remaining file size (%zu bits).\n",
- packet_index.content_size, (filestats.st_size - packet_index.offset) * CHAR_BIT);
+ packet_index.content_size, (size_t) (filestats.st_size - packet_index.offset) * CHAR_BIT);
return -EINVAL;
}
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->parent);
+ if (ret)
+ goto error_def;
ret = create_stream_packet_index(td, file_stream);
if (ret)
goto error_index;
/* Add stream file to stream class */
- g_ptr_array_add(file_stream->stream.stream_class->files, file_stream);
+ g_ptr_array_add(file_stream->parent.stream_class->streams,
+ &file_stream->parent);
return 0;
error_index:
+ if (file_stream->parent.trace_packet_header)
+ definition_unref(&file_stream->parent.trace_packet_header->p);
+error_def:
ctf_fini_pos(&file_stream->pos);
close(file_stream->pos.fd);
g_free(file_stream);
stream = g_ptr_array_index(td->streams, i);
if (!stream)
continue;
- for (j = 0; j < stream->files->len; j++) {
+ for (j = 0; j < stream->streams->len; j++) {
struct ctf_file_stream *file_stream;
- file_stream = g_ptr_array_index(stream->files, j);
+ file_stream = container_of(g_ptr_array_index(stream->streams, j), struct ctf_file_stream, parent);
ctf_close_file_stream(file_stream);
}
projects / babeltrace.git / blobdiff