*/
#define BT_COMP_LOG_SELF_COMP (self_comp)
-#define BT_LOG_OUTPUT_LEVEL (log_level)
-#define BT_LOG_TAG "PLUGIN/SRC.CTF.FS/DS"
+#define BT_LOG_OUTPUT_LEVEL (log_level)
+#define BT_LOG_TAG "PLUGIN/SRC.CTF.FS/DS"
#include "logging/comp-logging.h"
#include <stdlib.h>
#include "data-stream-file.hpp"
#include <string.h>
-static inline
-size_t remaining_mmap_bytes(struct ctf_fs_ds_file *ds_file)
+static inline size_t remaining_mmap_bytes(struct ctf_fs_ds_file *ds_file)
{
- BT_ASSERT_DBG(ds_file->mmap_len >= ds_file->request_offset_in_mapping);
- return ds_file->mmap_len - ds_file->request_offset_in_mapping;
+ BT_ASSERT_DBG(ds_file->mmap_len >= ds_file->request_offset_in_mapping);
+ return ds_file->mmap_len - ds_file->request_offset_in_mapping;
}
/*
* Return true if `offset_in_file` is in the current mapping.
*/
-static
-bool offset_ist_mapped(struct ctf_fs_ds_file *ds_file, off_t offset_in_file)
+static bool offset_ist_mapped(struct ctf_fs_ds_file *ds_file, off_t offset_in_file)
{
- return offset_in_file >= ds_file->mmap_offset_in_file &&
- offset_in_file < (ds_file->mmap_offset_in_file + ds_file->mmap_len);
+ return offset_in_file >= ds_file->mmap_offset_in_file &&
+ offset_in_file < (ds_file->mmap_offset_in_file + ds_file->mmap_len);
}
-static
-enum ctf_msg_iter_medium_status ds_file_munmap(
- struct ctf_fs_ds_file *ds_file)
+static enum ctf_msg_iter_medium_status ds_file_munmap(struct ctf_fs_ds_file *ds_file)
{
- enum ctf_msg_iter_medium_status status;
- bt_self_component *self_comp = ds_file->self_comp;
- bt_logging_level log_level = ds_file->log_level;
-
- BT_ASSERT(ds_file);
-
- if (!ds_file->mmap_addr) {
- status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
- goto end;
- }
-
- if (bt_munmap(ds_file->mmap_addr, ds_file->mmap_len)) {
- BT_COMP_LOGE_ERRNO("Cannot memory-unmap file",
- ": address=%p, size=%zu, file_path=\"%s\", file=%p",
- ds_file->mmap_addr, ds_file->mmap_len,
- ds_file->file ? ds_file->file->path->str : "NULL",
- ds_file->file ? ds_file->file->fp : NULL);
- status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
- goto end;
- }
-
- ds_file->mmap_addr = NULL;
-
- status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ enum ctf_msg_iter_medium_status status;
+ bt_self_component *self_comp = ds_file->self_comp;
+ bt_logging_level log_level = ds_file->log_level;
+
+ BT_ASSERT(ds_file);
+
+ if (!ds_file->mmap_addr) {
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ goto end;
+ }
+
+ if (bt_munmap(ds_file->mmap_addr, ds_file->mmap_len)) {
+ BT_COMP_LOGE_ERRNO("Cannot memory-unmap file",
+ ": address=%p, size=%zu, file_path=\"%s\", file=%p", ds_file->mmap_addr,
+ ds_file->mmap_len, ds_file->file ? ds_file->file->path->str : "NULL",
+ ds_file->file ? ds_file->file->fp : NULL);
+ status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
+ goto end;
+ }
+
+ ds_file->mmap_addr = NULL;
+
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
end:
- return status;
+ return status;
}
/*
*
* `requested_offset_in_file` must be a valid offset in the file.
*/
-static
-enum ctf_msg_iter_medium_status ds_file_mmap(
- struct ctf_fs_ds_file *ds_file, off_t requested_offset_in_file)
+static enum ctf_msg_iter_medium_status ds_file_mmap(struct ctf_fs_ds_file *ds_file,
+ off_t requested_offset_in_file)
{
- enum ctf_msg_iter_medium_status status;
- bt_self_component *self_comp = ds_file->self_comp;
- bt_logging_level log_level = ds_file->log_level;
-
- /* Ensure the requested offset is in the file range. */
- BT_ASSERT(requested_offset_in_file >= 0);
- BT_ASSERT(requested_offset_in_file < ds_file->file->size);
-
- /*
- * If the mapping already contains the requested offset, just adjust
- * requested_offset_in_mapping.
- */
- if (offset_ist_mapped(ds_file, requested_offset_in_file)) {
- ds_file->request_offset_in_mapping =
- requested_offset_in_file - ds_file->mmap_offset_in_file;
- status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
- goto end;
- }
-
- /* Unmap old region */
- status = ds_file_munmap(ds_file);
- if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
- goto end;
- }
-
- /*
- * Compute a mapping that has the required alignment properties and
- * contains `requested_offset_in_file`.
- */
- ds_file->request_offset_in_mapping =
- requested_offset_in_file % bt_mmap_get_offset_align_size(ds_file->log_level);
- ds_file->mmap_offset_in_file =
- requested_offset_in_file - ds_file->request_offset_in_mapping;
- ds_file->mmap_len = MIN(ds_file->file->size - ds_file->mmap_offset_in_file,
- ds_file->mmap_max_len);
-
- BT_ASSERT(ds_file->mmap_len > 0);
-
- ds_file->mmap_addr = bt_mmap((void *) 0, ds_file->mmap_len,
- PROT_READ, MAP_PRIVATE, fileno(ds_file->file->fp),
- ds_file->mmap_offset_in_file, ds_file->log_level);
- if (ds_file->mmap_addr == MAP_FAILED) {
- BT_COMP_LOGE("Cannot memory-map address (size %zu) of file \"%s\" (%p) at offset %jd: %s",
- ds_file->mmap_len, ds_file->file->path->str,
- ds_file->file->fp, (intmax_t) ds_file->mmap_offset_in_file,
- strerror(errno));
- status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
- goto end;
- }
-
- status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ enum ctf_msg_iter_medium_status status;
+ bt_self_component *self_comp = ds_file->self_comp;
+ bt_logging_level log_level = ds_file->log_level;
+
+ /* Ensure the requested offset is in the file range. */
+ BT_ASSERT(requested_offset_in_file >= 0);
+ BT_ASSERT(requested_offset_in_file < ds_file->file->size);
+
+ /*
+ * If the mapping already contains the requested offset, just adjust
+ * requested_offset_in_mapping.
+ */
+ if (offset_ist_mapped(ds_file, requested_offset_in_file)) {
+ ds_file->request_offset_in_mapping =
+ requested_offset_in_file - ds_file->mmap_offset_in_file;
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ goto end;
+ }
+
+ /* Unmap old region */
+ status = ds_file_munmap(ds_file);
+ if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ goto end;
+ }
+
+ /*
+ * Compute a mapping that has the required alignment properties and
+ * contains `requested_offset_in_file`.
+ */
+ ds_file->request_offset_in_mapping =
+ requested_offset_in_file % bt_mmap_get_offset_align_size(ds_file->log_level);
+ ds_file->mmap_offset_in_file = requested_offset_in_file - ds_file->request_offset_in_mapping;
+ ds_file->mmap_len =
+ MIN(ds_file->file->size - ds_file->mmap_offset_in_file, ds_file->mmap_max_len);
+
+ BT_ASSERT(ds_file->mmap_len > 0);
+
+ ds_file->mmap_addr =
+ bt_mmap((void *) 0, ds_file->mmap_len, PROT_READ, MAP_PRIVATE, fileno(ds_file->file->fp),
+ ds_file->mmap_offset_in_file, ds_file->log_level);
+ if (ds_file->mmap_addr == MAP_FAILED) {
+ BT_COMP_LOGE("Cannot memory-map address (size %zu) of file \"%s\" (%p) at offset %jd: %s",
+ ds_file->mmap_len, ds_file->file->path->str, ds_file->file->fp,
+ (intmax_t) ds_file->mmap_offset_in_file, strerror(errno));
+ status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
+ goto end;
+ }
+
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
end:
- return status;
+ return status;
}
/*
* return _EOF if the current mapping is the end of the file.
*/
-static
-enum ctf_msg_iter_medium_status ds_file_mmap_next(
- struct ctf_fs_ds_file *ds_file)
+static enum ctf_msg_iter_medium_status ds_file_mmap_next(struct ctf_fs_ds_file *ds_file)
{
- enum ctf_msg_iter_medium_status status;
-
- /*
- * If we're called, it's because more bytes are requested but we have
- * given all the bytes of the current mapping.
- */
- BT_ASSERT(ds_file->request_offset_in_mapping == ds_file->mmap_len);
-
- /*
- * If the current mapping coincides with the end of the file, there is
- * no next mapping.
- */
- if (ds_file->mmap_offset_in_file + ds_file->mmap_len == ds_file->file->size) {
- status = CTF_MSG_ITER_MEDIUM_STATUS_EOF;
- goto end;
- }
-
- status = ds_file_mmap(ds_file,
- ds_file->mmap_offset_in_file + ds_file->mmap_len);
+ enum ctf_msg_iter_medium_status status;
+
+ /*
+ * If we're called, it's because more bytes are requested but we have
+ * given all the bytes of the current mapping.
+ */
+ BT_ASSERT(ds_file->request_offset_in_mapping == ds_file->mmap_len);
+
+ /*
+ * If the current mapping coincides with the end of the file, there is
+ * no next mapping.
+ */
+ if (ds_file->mmap_offset_in_file + ds_file->mmap_len == ds_file->file->size) {
+ status = CTF_MSG_ITER_MEDIUM_STATUS_EOF;
+ goto end;
+ }
+
+ status = ds_file_mmap(ds_file, ds_file->mmap_offset_in_file + ds_file->mmap_len);
end:
- return status;
+ return status;
}
-static
-enum ctf_msg_iter_medium_status medop_request_bytes(
- size_t request_sz, uint8_t **buffer_addr,
- size_t *buffer_sz, void *data)
+static enum ctf_msg_iter_medium_status medop_request_bytes(size_t request_sz, uint8_t **buffer_addr,
+ size_t *buffer_sz, void *data)
{
- enum ctf_msg_iter_medium_status status =
- CTF_MSG_ITER_MEDIUM_STATUS_OK;
- struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data;
- bt_self_component *self_comp = ds_file->self_comp;
- bt_logging_level log_level = ds_file->log_level;
-
- BT_ASSERT(request_sz > 0);
-
- /*
- * Check if we have at least one memory-mapped byte left. If we don't,
- * mmap the next file.
- */
- if (remaining_mmap_bytes(ds_file) == 0) {
- /* Are we at the end of the file? */
- if (ds_file->mmap_offset_in_file >= ds_file->file->size) {
- BT_COMP_LOGD("Reached end of file \"%s\" (%p)",
- ds_file->file->path->str, ds_file->file->fp);
- status = CTF_MSG_ITER_MEDIUM_STATUS_EOF;
- goto end;
- }
-
- status = ds_file_mmap_next(ds_file);
- switch (status) {
- case CTF_MSG_ITER_MEDIUM_STATUS_OK:
- break;
- case CTF_MSG_ITER_MEDIUM_STATUS_EOF:
- goto end;
- default:
- BT_COMP_LOGE("Cannot memory-map next region of file \"%s\" (%p)",
- ds_file->file->path->str,
- ds_file->file->fp);
- goto error;
- }
- }
-
- BT_ASSERT(remaining_mmap_bytes(ds_file) > 0);
- *buffer_sz = MIN(remaining_mmap_bytes(ds_file), request_sz);
-
- BT_ASSERT(ds_file->mmap_addr);
- *buffer_addr = ((uint8_t *) ds_file->mmap_addr) + ds_file->request_offset_in_mapping;
-
- ds_file->request_offset_in_mapping += *buffer_sz;
- goto end;
+ enum ctf_msg_iter_medium_status status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data;
+ bt_self_component *self_comp = ds_file->self_comp;
+ bt_logging_level log_level = ds_file->log_level;
+
+ BT_ASSERT(request_sz > 0);
+
+ /*
+ * Check if we have at least one memory-mapped byte left. If we don't,
+ * mmap the next file.
+ */
+ if (remaining_mmap_bytes(ds_file) == 0) {
+ /* Are we at the end of the file? */
+ if (ds_file->mmap_offset_in_file >= ds_file->file->size) {
+ BT_COMP_LOGD("Reached end of file \"%s\" (%p)", ds_file->file->path->str,
+ ds_file->file->fp);
+ status = CTF_MSG_ITER_MEDIUM_STATUS_EOF;
+ goto end;
+ }
+
+ status = ds_file_mmap_next(ds_file);
+ switch (status) {
+ case CTF_MSG_ITER_MEDIUM_STATUS_OK:
+ break;
+ case CTF_MSG_ITER_MEDIUM_STATUS_EOF:
+ goto end;
+ default:
+ BT_COMP_LOGE("Cannot memory-map next region of file \"%s\" (%p)",
+ ds_file->file->path->str, ds_file->file->fp);
+ goto error;
+ }
+ }
+
+ BT_ASSERT(remaining_mmap_bytes(ds_file) > 0);
+ *buffer_sz = MIN(remaining_mmap_bytes(ds_file), request_sz);
+
+ BT_ASSERT(ds_file->mmap_addr);
+ *buffer_addr = ((uint8_t *) ds_file->mmap_addr) + ds_file->request_offset_in_mapping;
+
+ ds_file->request_offset_in_mapping += *buffer_sz;
+ goto end;
error:
- status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
+ status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
end:
- return status;
+ return status;
}
-static
-bt_stream *medop_borrow_stream(bt_stream_class *stream_class, int64_t stream_id,
- void *data)
+static bt_stream *medop_borrow_stream(bt_stream_class *stream_class, int64_t stream_id, void *data)
{
- struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data;
- bt_stream_class *ds_file_stream_class;
- bt_stream *stream = NULL;
+ struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data;
+ bt_stream_class *ds_file_stream_class;
+ bt_stream *stream = NULL;
- ds_file_stream_class = bt_stream_borrow_class(
- ds_file->stream);
+ ds_file_stream_class = bt_stream_borrow_class(ds_file->stream);
- if (stream_class != ds_file_stream_class) {
- /*
- * Not supported: two packets described by two different
- * stream classes within the same data stream file.
- */
- goto end;
- }
+ if (stream_class != ds_file_stream_class) {
+ /*
+ * Not supported: two packets described by two different
+ * stream classes within the same data stream file.
+ */
+ goto end;
+ }
- stream = ds_file->stream;
+ stream = ds_file->stream;
end:
- return stream;
+ return stream;
}
-static
-enum ctf_msg_iter_medium_status medop_seek(off_t offset, void *data)
+static enum ctf_msg_iter_medium_status medop_seek(off_t offset, void *data)
{
- struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data;
+ struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data;
- BT_ASSERT(offset >= 0);
- BT_ASSERT(offset < ds_file->file->size);
+ BT_ASSERT(offset >= 0);
+ BT_ASSERT(offset < ds_file->file->size);
- return ds_file_mmap(ds_file, offset);
+ return ds_file_mmap(ds_file, offset);
}
BT_HIDDEN
struct ctf_msg_iter_medium_ops ctf_fs_ds_file_medops = {
- medop_request_bytes,
- medop_seek,
- nullptr,
- medop_borrow_stream,
+ medop_request_bytes,
+ medop_seek,
+ nullptr,
+ medop_borrow_stream,
};
-struct ctf_fs_ds_group_medops_data {
- /* Weak, set once at creation time. */
- struct ctf_fs_ds_file_group *ds_file_group;
-
- /*
- * Index (as in element rank) of the index entry of ds_file_groups'
- * index we will read next (so, the one after the one we are reading
- * right now).
- */
- guint next_index_entry_index;
-
- /*
- * File we are currently reading. Changes whenever we switch to
- * reading another data file.
- *
- * Owned by this.
- */
- struct ctf_fs_ds_file *file;
-
- /* Weak, for context / logging / appending causes. */
- bt_self_message_iterator *self_msg_iter;
- bt_logging_level log_level;
+struct ctf_fs_ds_group_medops_data
+{
+ /* Weak, set once at creation time. */
+ struct ctf_fs_ds_file_group *ds_file_group;
+
+ /*
+ * Index (as in element rank) of the index entry of ds_file_groups'
+ * index we will read next (so, the one after the one we are reading
+ * right now).
+ */
+ guint next_index_entry_index;
+
+ /*
+ * File we are currently reading. Changes whenever we switch to
+ * reading another data file.
+ *
+ * Owned by this.
+ */
+ struct ctf_fs_ds_file *file;
+
+ /* Weak, for context / logging / appending causes. */
+ bt_self_message_iterator *self_msg_iter;
+ bt_logging_level log_level;
};
-static
-enum ctf_msg_iter_medium_status medop_group_request_bytes(
- size_t request_sz,
- uint8_t **buffer_addr,
- size_t *buffer_sz,
- void *void_data)
+static enum ctf_msg_iter_medium_status medop_group_request_bytes(size_t request_sz,
+ uint8_t **buffer_addr,
+ size_t *buffer_sz, void *void_data)
{
- struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data;
+ struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data;
- /* Return bytes from the current file. */
- return medop_request_bytes(request_sz, buffer_addr, buffer_sz, data->file);
+ /* Return bytes from the current file. */
+ return medop_request_bytes(request_sz, buffer_addr, buffer_sz, data->file);
}
-static
-bt_stream *medop_group_borrow_stream(
- bt_stream_class *stream_class,
- int64_t stream_id,
- void *void_data)
+static bt_stream *medop_group_borrow_stream(bt_stream_class *stream_class, int64_t stream_id,
+ void *void_data)
{
- struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data;
+ struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data;
- return medop_borrow_stream(stream_class, stream_id, data->file);
+ return medop_borrow_stream(stream_class, stream_id, data->file);
}
/*
* by `index_entry`.
*/
-static
-enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_set_file(
- struct ctf_fs_ds_group_medops_data *data,
- struct ctf_fs_ds_index_entry *index_entry,
- bt_self_message_iterator *self_msg_iter,
- bt_logging_level log_level)
+static enum ctf_msg_iter_medium_status
+ctf_fs_ds_group_medops_set_file(struct ctf_fs_ds_group_medops_data *data,
+ struct ctf_fs_ds_index_entry *index_entry,
+ bt_self_message_iterator *self_msg_iter, bt_logging_level log_level)
{
- enum ctf_msg_iter_medium_status status;
-
- BT_ASSERT(data);
- BT_ASSERT(index_entry);
-
- /* Check if that file is already the one mapped. */
- if (!data->file || strcmp(index_entry->path, data->file->file->path->str) != 0) {
- /* Destroy the previously used file. */
- ctf_fs_ds_file_destroy(data->file);
-
- /* Create the new file. */
- data->file = ctf_fs_ds_file_create(
- data->ds_file_group->ctf_fs_trace,
- self_msg_iter,
- data->ds_file_group->stream,
- index_entry->path,
- log_level);
- if (!data->file) {
- BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter,
- "failed to create ctf_fs_ds_file.");
- status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
- goto end;
- }
- }
-
- /*
- * Ensure the right portion of the file will be returned on the next
- * request_bytes call.
- */
- status = ds_file_mmap(data->file, index_entry->offset);
- if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
- goto end;
- }
-
- status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ enum ctf_msg_iter_medium_status status;
+
+ BT_ASSERT(data);
+ BT_ASSERT(index_entry);
+
+ /* Check if that file is already the one mapped. */
+ if (!data->file || strcmp(index_entry->path, data->file->file->path->str) != 0) {
+ /* Destroy the previously used file. */
+ ctf_fs_ds_file_destroy(data->file);
+
+ /* Create the new file. */
+ data->file =
+ ctf_fs_ds_file_create(data->ds_file_group->ctf_fs_trace, data->ds_file_group->stream,
+ index_entry->path, log_level);
+ if (!data->file) {
+ BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter, "failed to create ctf_fs_ds_file.");
+ status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
+ goto end;
+ }
+ }
+
+ /*
+ * Ensure the right portion of the file will be returned on the next
+ * request_bytes call.
+ */
+ status = ds_file_mmap(data->file, index_entry->offset);
+ if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ goto end;
+ }
+
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
end:
- return status;
+ return status;
}
-static
-enum ctf_msg_iter_medium_status medop_group_switch_packet(void *void_data)
+static enum ctf_msg_iter_medium_status medop_group_switch_packet(void *void_data)
{
- struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data;
- struct ctf_fs_ds_index_entry *index_entry;
- enum ctf_msg_iter_medium_status status;
-
- /* If we have gone through all index entries, we are done. */
- if (data->next_index_entry_index >=
- data->ds_file_group->index->entries->len) {
- status = CTF_MSG_ITER_MEDIUM_STATUS_EOF;
- goto end;
- }
-
- /*
- * Otherwise, look up the next index entry / packet and prepare it
- * for reading.
- */
- index_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index(
- data->ds_file_group->index->entries,
- data->next_index_entry_index);
-
- status = ctf_fs_ds_group_medops_set_file(
- data, index_entry, data->self_msg_iter, data->log_level);
- if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
- goto end;
- }
-
- data->next_index_entry_index++;
-
- status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data;
+ struct ctf_fs_ds_index_entry *index_entry;
+ enum ctf_msg_iter_medium_status status;
+
+ /* If we have gone through all index entries, we are done. */
+ if (data->next_index_entry_index >= data->ds_file_group->index->entries->len) {
+ status = CTF_MSG_ITER_MEDIUM_STATUS_EOF;
+ goto end;
+ }
+
+ /*
+ * Otherwise, look up the next index entry / packet and prepare it
+ * for reading.
+ */
+ index_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index(
+ data->ds_file_group->index->entries, data->next_index_entry_index);
+
+ status =
+ ctf_fs_ds_group_medops_set_file(data, index_entry, data->self_msg_iter, data->log_level);
+ if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ goto end;
+ }
+
+ data->next_index_entry_index++;
+
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
end:
- return status;
+ return status;
}
BT_HIDDEN
-void ctf_fs_ds_group_medops_data_destroy(
- struct ctf_fs_ds_group_medops_data *data)
+void ctf_fs_ds_group_medops_data_destroy(struct ctf_fs_ds_group_medops_data *data)
{
- if (!data) {
- goto end;
- }
+ if (!data) {
+ goto end;
+ }
- ctf_fs_ds_file_destroy(data->file);
+ ctf_fs_ds_file_destroy(data->file);
- g_free(data);
+ g_free(data);
end:
- return;
+ return;
}
enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_data_create(
- struct ctf_fs_ds_file_group *ds_file_group,
- bt_self_message_iterator *self_msg_iter,
- bt_logging_level log_level,
- struct ctf_fs_ds_group_medops_data **out)
+ struct ctf_fs_ds_file_group *ds_file_group, bt_self_message_iterator *self_msg_iter,
+ bt_logging_level log_level, struct ctf_fs_ds_group_medops_data **out)
{
- struct ctf_fs_ds_group_medops_data *data;
- enum ctf_msg_iter_medium_status status;
-
- BT_ASSERT(self_msg_iter);
- BT_ASSERT(ds_file_group);
- BT_ASSERT(ds_file_group->index);
- BT_ASSERT(ds_file_group->index->entries->len > 0);
-
- data = g_new0(struct ctf_fs_ds_group_medops_data, 1);
- if (!data) {
- BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter,
- "Failed to allocate a struct ctf_fs_ds_group_medops_data");
- status = CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR;
- goto error;
- }
-
- data->ds_file_group = ds_file_group;
- data->self_msg_iter = self_msg_iter;
- data->log_level = log_level;
-
- /*
- * No need to prepare the first file. ctf_msg_iter will call
- * switch_packet before reading the first packet, it will be
- * done then.
- */
-
- *out = data;
- status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
- goto end;
+ struct ctf_fs_ds_group_medops_data *data;
+ enum ctf_msg_iter_medium_status status;
+
+ BT_ASSERT(self_msg_iter);
+ BT_ASSERT(ds_file_group);
+ BT_ASSERT(ds_file_group->index);
+ BT_ASSERT(ds_file_group->index->entries->len > 0);
+
+ data = g_new0(struct ctf_fs_ds_group_medops_data, 1);
+ if (!data) {
+ BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter,
+ "Failed to allocate a struct ctf_fs_ds_group_medops_data");
+ status = CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR;
+ goto error;
+ }
+
+ data->ds_file_group = ds_file_group;
+ data->self_msg_iter = self_msg_iter;
+ data->log_level = log_level;
+
+ /*
+ * No need to prepare the first file. ctf_msg_iter will call
+ * switch_packet before reading the first packet, it will be
+ * done then.
+ */
+
+ *out = data;
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ goto end;
error:
- ctf_fs_ds_group_medops_data_destroy(data);
+ ctf_fs_ds_group_medops_data_destroy(data);
end:
- return status;
+ return status;
}
void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data)
{
- data->next_index_entry_index = 0;
+ data->next_index_entry_index = 0;
}
struct ctf_msg_iter_medium_ops ctf_fs_ds_group_medops = {
- .request_bytes = medop_group_request_bytes,
+ .request_bytes = medop_group_request_bytes,
- /*
- * We don't support seeking using this medops. It would probably be
- * possible, but it's not needed at the moment.
- */
- .seek = NULL,
+ /*
+ * We don't support seeking using this medops. It would probably be
+ * possible, but it's not needed at the moment.
+ */
+ .seek = NULL,
- .switch_packet = medop_group_switch_packet,
- .borrow_stream = medop_group_borrow_stream,
+ .switch_packet = medop_group_switch_packet,
+ .borrow_stream = medop_group_borrow_stream,
};
-static
-struct ctf_fs_ds_index_entry *ctf_fs_ds_index_entry_create(
- bt_self_component *self_comp, bt_logging_level log_level)
+static struct ctf_fs_ds_index_entry *ctf_fs_ds_index_entry_create(bt_self_component *self_comp,
+ bt_logging_level log_level)
{
- struct ctf_fs_ds_index_entry *entry;
+ struct ctf_fs_ds_index_entry *entry;
- entry = g_new0(struct ctf_fs_ds_index_entry, 1);
- if (!entry) {
- BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to allocate a ctf_fs_ds_index_entry.");
- goto end;
- }
+ entry = g_new0(struct ctf_fs_ds_index_entry, 1);
+ if (!entry) {
+ BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to allocate a ctf_fs_ds_index_entry.");
+ goto end;
+ }
- entry->packet_seq_num = UINT64_MAX;
+ entry->packet_seq_num = UINT64_MAX;
end:
- return entry;
+ return entry;
}
-static
-int convert_cycles_to_ns(struct ctf_clock_class *clock_class,
- uint64_t cycles, int64_t *ns)
+static int convert_cycles_to_ns(struct ctf_clock_class *clock_class, uint64_t cycles, int64_t *ns)
{
- return bt_util_clock_cycles_to_ns_from_origin(cycles,
- clock_class->frequency, clock_class->offset_seconds,
- clock_class->offset_cycles, ns);
+ return bt_util_clock_cycles_to_ns_from_origin(cycles, clock_class->frequency,
+ clock_class->offset_seconds,
+ clock_class->offset_cycles, ns);
}
-static
-struct ctf_fs_ds_index *build_index_from_idx_file(
- struct ctf_fs_ds_file *ds_file,
- struct ctf_fs_ds_file_info *file_info,
- struct ctf_msg_iter *msg_iter)
+static struct ctf_fs_ds_index *build_index_from_idx_file(struct ctf_fs_ds_file *ds_file,
+ struct ctf_fs_ds_file_info *file_info,
+ struct ctf_msg_iter *msg_iter)
{
- int ret;
- gchar *directory = NULL;
- gchar *basename = NULL;
- GString *index_basename = NULL;
- gchar *index_file_path = NULL;
- GMappedFile *mapped_file = NULL;
- gsize filesize;
- const char *mmap_begin = NULL, *file_pos = NULL;
- const struct ctf_packet_index_file_hdr *header = NULL;
- struct ctf_fs_ds_index *index = NULL;
- struct ctf_fs_ds_index_entry *index_entry = NULL, *prev_index_entry = NULL;
- uint64_t total_packets_size = 0;
- size_t file_index_entry_size;
- size_t file_entry_count;
- size_t i;
- struct ctf_stream_class *sc;
- struct ctf_msg_iter_packet_properties props;
- uint32_t version_major, version_minor;
- bt_self_component *self_comp = ds_file->self_comp;
- bt_logging_level log_level = ds_file->log_level;
-
- BT_COMP_LOGI("Building index from .idx file of stream file %s",
- ds_file->file->path->str);
- ret = ctf_msg_iter_get_packet_properties(msg_iter, &props);
- if (ret) {
- BT_COMP_LOGI_STR("Cannot read first packet's header and context fields.");
- goto error;
- }
-
- sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc,
- props.stream_class_id);
- BT_ASSERT(sc);
- if (!sc->default_clock_class) {
- BT_COMP_LOGI_STR("Cannot find stream class's default clock class.");
- goto error;
- }
-
- /* Look for index file in relative path index/name.idx. */
- basename = g_path_get_basename(ds_file->file->path->str);
- if (!basename) {
- BT_COMP_LOGE("Cannot get the basename of datastream file %s",
- ds_file->file->path->str);
- goto error;
- }
-
- directory = g_path_get_dirname(ds_file->file->path->str);
- if (!directory) {
- BT_COMP_LOGE("Cannot get dirname of datastream file %s",
- ds_file->file->path->str);
- goto error;
- }
-
- index_basename = g_string_new(basename);
- if (!index_basename) {
- BT_COMP_LOGE_STR("Cannot allocate index file basename string");
- goto error;
- }
-
- g_string_append(index_basename, ".idx");
- index_file_path = g_build_filename(directory, "index",
- index_basename->str, NULL);
- mapped_file = g_mapped_file_new(index_file_path, FALSE, NULL);
- if (!mapped_file) {
- BT_COMP_LOGD("Cannot create new mapped file %s",
- index_file_path);
- goto error;
- }
-
- /*
- * The g_mapped_file API limits us to 4GB files on 32-bit.
- * Traces with such large indexes have never been seen in the wild,
- * but this would need to be adjusted to support them.
- */
- filesize = g_mapped_file_get_length(mapped_file);
- if (filesize < sizeof(*header)) {
- BT_COMP_LOGW("Invalid LTTng trace index file: "
- "file size (%zu bytes) < header size (%zu bytes)",
- filesize, sizeof(*header));
- goto error;
- }
-
- mmap_begin = g_mapped_file_get_contents(mapped_file);
- header = (struct ctf_packet_index_file_hdr *) mmap_begin;
-
- file_pos = g_mapped_file_get_contents(mapped_file) + sizeof(*header);
- if (be32toh(header->magic) != CTF_INDEX_MAGIC) {
- BT_COMP_LOGW_STR("Invalid LTTng trace index: \"magic\" field validation failed");
- goto error;
- }
-
- version_major = be32toh(header->index_major);
- version_minor = be32toh(header->index_minor);
- if (version_major != 1) {
- BT_COMP_LOGW(
- "Unknown LTTng trace index version: "
- "major=%" PRIu32 ", minor=%" PRIu32,
- version_major, version_minor);
- goto error;
- }
-
- file_index_entry_size = be32toh(header->packet_index_len);
- if (file_index_entry_size < CTF_INDEX_1_0_SIZE) {
- BT_COMP_LOGW("Invalid `packet_index_len` in LTTng trace index file (`packet_index_len` < CTF index 1.0 index entry size): "
- "packet_index_len=%zu, CTF_INDEX_1_0_SIZE=%zu",
- file_index_entry_size, CTF_INDEX_1_0_SIZE);
- goto error;
- }
-
- file_entry_count = (filesize - sizeof(*header)) / file_index_entry_size;
- if ((filesize - sizeof(*header)) % file_index_entry_size) {
- BT_COMP_LOGW("Invalid LTTng trace index: the index's size after the header "
- "(%zu bytes) is not a multiple of the index entry size "
- "(%zu bytes)", (filesize - sizeof(*header)),
- sizeof(*header));
- goto error;
- }
-
- index = ctf_fs_ds_index_create(ds_file->log_level, ds_file->self_comp);
- if (!index) {
- goto error;
- }
-
- for (i = 0; i < file_entry_count; i++) {
- struct ctf_packet_index *file_index =
- (struct ctf_packet_index *) file_pos;
- uint64_t packet_size = be64toh(file_index->packet_size);
-
- if (packet_size % CHAR_BIT) {
- BT_COMP_LOGW("Invalid packet size encountered in LTTng trace index file");
- goto error;
- }
-
- index_entry = ctf_fs_ds_index_entry_create(
- ds_file->self_comp, ds_file->log_level);
- if (!index_entry) {
- BT_COMP_LOGE_APPEND_CAUSE(ds_file->self_comp,
- "Failed to create a ctf_fs_ds_index_entry.");
- goto error;
- }
-
- /* Set path to stream file. */
- index_entry->path = file_info->path->str;
-
- /* Convert size in bits to bytes. */
- packet_size /= CHAR_BIT;
- index_entry->packet_size = packet_size;
-
- index_entry->offset = be64toh(file_index->offset);
- if (i != 0 && index_entry->offset < prev_index_entry->offset) {
- BT_COMP_LOGW("Invalid, non-monotonic, packet offset encountered in LTTng trace index file: "
- "previous offset=%" PRIu64 ", current offset=%" PRIu64,
- prev_index_entry->offset, index_entry->offset);
- goto error;
- }
-
- index_entry->timestamp_begin = be64toh(file_index->timestamp_begin);
- index_entry->timestamp_end = be64toh(file_index->timestamp_end);
- if (index_entry->timestamp_end < index_entry->timestamp_begin) {
- BT_COMP_LOGW("Invalid packet time bounds encountered in LTTng trace index file (begin > end): "
- "timestamp_begin=%" PRIu64 "timestamp_end=%" PRIu64,
- index_entry->timestamp_begin,
- index_entry->timestamp_end);
- goto error;
- }
-
- /* Convert the packet's bound to nanoseconds since Epoch. */
- ret = convert_cycles_to_ns(sc->default_clock_class,
- index_entry->timestamp_begin,
- &index_entry->timestamp_begin_ns);
- if (ret) {
- BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch during index parsing");
- goto error;
- }
- ret = convert_cycles_to_ns(sc->default_clock_class,
- index_entry->timestamp_end,
- &index_entry->timestamp_end_ns);
- if (ret) {
- BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch during LTTng trace index parsing");
- goto error;
- }
-
- if (version_minor >= 1) {
- index_entry->packet_seq_num = be64toh(file_index->packet_seq_num);
- }
-
- total_packets_size += packet_size;
- file_pos += file_index_entry_size;
-
- prev_index_entry = index_entry;
-
- /* Give ownership of `index_entry` to `index->entries`. */
- g_ptr_array_add(index->entries, index_entry);
- index_entry = NULL;
- }
-
- /* Validate that the index addresses the complete stream. */
- if (ds_file->file->size != total_packets_size) {
- BT_COMP_LOGW("Invalid LTTng trace index file; indexed size != stream file size: "
- "file-size=%" PRIu64 ", total-packets-size=%" PRIu64,
- ds_file->file->size, total_packets_size);
- goto error;
- }
+ int ret;
+ gchar *directory = NULL;
+ gchar *basename = NULL;
+ GString *index_basename = NULL;
+ gchar *index_file_path = NULL;
+ GMappedFile *mapped_file = NULL;
+ gsize filesize;
+ const char *mmap_begin = NULL, *file_pos = NULL;
+ const struct ctf_packet_index_file_hdr *header = NULL;
+ struct ctf_fs_ds_index *index = NULL;
+ struct ctf_fs_ds_index_entry *index_entry = NULL, *prev_index_entry = NULL;
+ uint64_t total_packets_size = 0;
+ size_t file_index_entry_size;
+ size_t file_entry_count;
+ size_t i;
+ struct ctf_stream_class *sc;
+ struct ctf_msg_iter_packet_properties props;
+ uint32_t version_major, version_minor;
+ bt_self_component *self_comp = ds_file->self_comp;
+ bt_logging_level log_level = ds_file->log_level;
+
+ BT_COMP_LOGI("Building index from .idx file of stream file %s", ds_file->file->path->str);
+ ret = ctf_msg_iter_get_packet_properties(msg_iter, &props);
+ if (ret) {
+ BT_COMP_LOGI_STR("Cannot read first packet's header and context fields.");
+ goto error;
+ }
+
+ sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props.stream_class_id);
+ BT_ASSERT(sc);
+ if (!sc->default_clock_class) {
+ BT_COMP_LOGI_STR("Cannot find stream class's default clock class.");
+ goto error;
+ }
+
+ /* Look for index file in relative path index/name.idx. */
+ basename = g_path_get_basename(ds_file->file->path->str);
+ if (!basename) {
+ BT_COMP_LOGE("Cannot get the basename of datastream file %s", ds_file->file->path->str);
+ goto error;
+ }
+
+ directory = g_path_get_dirname(ds_file->file->path->str);
+ if (!directory) {
+ BT_COMP_LOGE("Cannot get dirname of datastream file %s", ds_file->file->path->str);
+ goto error;
+ }
+
+ index_basename = g_string_new(basename);
+ if (!index_basename) {
+ BT_COMP_LOGE_STR("Cannot allocate index file basename string");
+ goto error;
+ }
+
+ g_string_append(index_basename, ".idx");
+ index_file_path = g_build_filename(directory, "index", index_basename->str, NULL);
+ mapped_file = g_mapped_file_new(index_file_path, FALSE, NULL);
+ if (!mapped_file) {
+ BT_COMP_LOGD("Cannot create new mapped file %s", index_file_path);
+ goto error;
+ }
+
+ /*
+ * The g_mapped_file API limits us to 4GB files on 32-bit.
+ * Traces with such large indexes have never been seen in the wild,
+ * but this would need to be adjusted to support them.
+ */
+ filesize = g_mapped_file_get_length(mapped_file);
+ if (filesize < sizeof(*header)) {
+ BT_COMP_LOGW("Invalid LTTng trace index file: "
+ "file size (%zu bytes) < header size (%zu bytes)",
+ filesize, sizeof(*header));
+ goto error;
+ }
+
+ mmap_begin = g_mapped_file_get_contents(mapped_file);
+ header = (struct ctf_packet_index_file_hdr *) mmap_begin;
+
+ file_pos = g_mapped_file_get_contents(mapped_file) + sizeof(*header);
+ if (be32toh(header->magic) != CTF_INDEX_MAGIC) {
+ BT_COMP_LOGW_STR("Invalid LTTng trace index: \"magic\" field validation failed");
+ goto error;
+ }
+
+ version_major = be32toh(header->index_major);
+ version_minor = be32toh(header->index_minor);
+ if (version_major != 1) {
+ BT_COMP_LOGW("Unknown LTTng trace index version: "
+ "major=%" PRIu32 ", minor=%" PRIu32,
+ version_major, version_minor);
+ goto error;
+ }
+
+ file_index_entry_size = be32toh(header->packet_index_len);
+ if (file_index_entry_size < CTF_INDEX_1_0_SIZE) {
+ BT_COMP_LOGW(
+ "Invalid `packet_index_len` in LTTng trace index file (`packet_index_len` < CTF index 1.0 index entry size): "
+ "packet_index_len=%zu, CTF_INDEX_1_0_SIZE=%zu",
+ file_index_entry_size, CTF_INDEX_1_0_SIZE);
+ goto error;
+ }
+
+ file_entry_count = (filesize - sizeof(*header)) / file_index_entry_size;
+ if ((filesize - sizeof(*header)) % file_index_entry_size) {
+ BT_COMP_LOGW("Invalid LTTng trace index: the index's size after the header "
+ "(%zu bytes) is not a multiple of the index entry size "
+ "(%zu bytes)",
+ (filesize - sizeof(*header)), sizeof(*header));
+ goto error;
+ }
+
+ index = ctf_fs_ds_index_create(ds_file->log_level, ds_file->self_comp);
+ if (!index) {
+ goto error;
+ }
+
+ for (i = 0; i < file_entry_count; i++) {
+ struct ctf_packet_index *file_index = (struct ctf_packet_index *) file_pos;
+ uint64_t packet_size = be64toh(file_index->packet_size);
+
+ if (packet_size % CHAR_BIT) {
+ BT_COMP_LOGW("Invalid packet size encountered in LTTng trace index file");
+ goto error;
+ }
+
+ index_entry = ctf_fs_ds_index_entry_create(ds_file->self_comp, ds_file->log_level);
+ if (!index_entry) {
+ BT_COMP_LOGE_APPEND_CAUSE(ds_file->self_comp,
+ "Failed to create a ctf_fs_ds_index_entry.");
+ goto error;
+ }
+
+ /* Set path to stream file. */
+ index_entry->path = file_info->path->str;
+
+ /* Convert size in bits to bytes. */
+ packet_size /= CHAR_BIT;
+ index_entry->packet_size = packet_size;
+
+ index_entry->offset = be64toh(file_index->offset);
+ if (i != 0 && index_entry->offset < prev_index_entry->offset) {
+ BT_COMP_LOGW(
+ "Invalid, non-monotonic, packet offset encountered in LTTng trace index file: "
+ "previous offset=%" PRIu64 ", current offset=%" PRIu64,
+ prev_index_entry->offset, index_entry->offset);
+ goto error;
+ }
+
+ index_entry->timestamp_begin = be64toh(file_index->timestamp_begin);
+ index_entry->timestamp_end = be64toh(file_index->timestamp_end);
+ if (index_entry->timestamp_end < index_entry->timestamp_begin) {
+ BT_COMP_LOGW(
+ "Invalid packet time bounds encountered in LTTng trace index file (begin > end): "
+ "timestamp_begin=%" PRIu64 "timestamp_end=%" PRIu64,
+ index_entry->timestamp_begin, index_entry->timestamp_end);
+ goto error;
+ }
+
+ /* Convert the packet's bound to nanoseconds since Epoch. */
+ ret = convert_cycles_to_ns(sc->default_clock_class, index_entry->timestamp_begin,
+ &index_entry->timestamp_begin_ns);
+ if (ret) {
+ BT_COMP_LOGI_STR(
+ "Failed to convert raw timestamp to nanoseconds since Epoch during index parsing");
+ goto error;
+ }
+ ret = convert_cycles_to_ns(sc->default_clock_class, index_entry->timestamp_end,
+ &index_entry->timestamp_end_ns);
+ if (ret) {
+ BT_COMP_LOGI_STR(
+ "Failed to convert raw timestamp to nanoseconds since Epoch during LTTng trace index parsing");
+ goto error;
+ }
+
+ if (version_minor >= 1) {
+ index_entry->packet_seq_num = be64toh(file_index->packet_seq_num);
+ }
+
+ total_packets_size += packet_size;
+ file_pos += file_index_entry_size;
+
+ prev_index_entry = index_entry;
+
+ /* Give ownership of `index_entry` to `index->entries`. */
+ g_ptr_array_add(index->entries, index_entry);
+ index_entry = NULL;
+ }
+
+ /* Validate that the index addresses the complete stream. */
+ if (ds_file->file->size != total_packets_size) {
+ BT_COMP_LOGW("Invalid LTTng trace index file; indexed size != stream file size: "
+ "file-size=%" PRIu64 ", total-packets-size=%" PRIu64,
+ ds_file->file->size, total_packets_size);
+ goto error;
+ }
end:
- g_free(directory);
- g_free(basename);
- g_free(index_file_path);
- if (index_basename) {
- g_string_free(index_basename, TRUE);
- }
- if (mapped_file) {
- g_mapped_file_unref(mapped_file);
- }
- return index;
+ g_free(directory);
+ g_free(basename);
+ g_free(index_file_path);
+ if (index_basename) {
+ g_string_free(index_basename, TRUE);
+ }
+ if (mapped_file) {
+ g_mapped_file_unref(mapped_file);
+ }
+ return index;
error:
- ctf_fs_ds_index_destroy(index);
- g_free(index_entry);
- index = NULL;
- goto end;
+ ctf_fs_ds_index_destroy(index);
+ g_free(index_entry);
+ index = NULL;
+ goto end;
}
-static
-int init_index_entry(struct ctf_fs_ds_index_entry *entry,
- struct ctf_fs_ds_file *ds_file,
- struct ctf_msg_iter_packet_properties *props,
- off_t packet_size, off_t packet_offset)
+static int init_index_entry(struct ctf_fs_ds_index_entry *entry, struct ctf_fs_ds_file *ds_file,
+ struct ctf_msg_iter_packet_properties *props, off_t packet_size,
+ off_t packet_offset)
{
- int ret = 0;
- struct ctf_stream_class *sc;
- bt_self_component *self_comp = ds_file->self_comp;
- bt_logging_level log_level = ds_file->log_level;
-
- sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc,
- props->stream_class_id);
- BT_ASSERT(sc);
- BT_ASSERT(packet_offset >= 0);
- entry->offset = packet_offset;
- BT_ASSERT(packet_size >= 0);
- entry->packet_size = packet_size;
-
- if (props->snapshots.beginning_clock != UINT64_C(-1)) {
- entry->timestamp_begin = props->snapshots.beginning_clock;
-
- /* Convert the packet's bound to nanoseconds since Epoch. */
- ret = convert_cycles_to_ns(sc->default_clock_class,
- props->snapshots.beginning_clock,
- &entry->timestamp_begin_ns);
- if (ret) {
- BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch.");
- goto end;
- }
- } else {
- entry->timestamp_begin = UINT64_C(-1);
- entry->timestamp_begin_ns = UINT64_C(-1);
- }
-
- if (props->snapshots.end_clock != UINT64_C(-1)) {
- entry->timestamp_end = props->snapshots.end_clock;
-
- /* Convert the packet's bound to nanoseconds since Epoch. */
- ret = convert_cycles_to_ns(sc->default_clock_class,
- props->snapshots.end_clock,
- &entry->timestamp_end_ns);
- if (ret) {
- BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch.");
- goto end;
- }
- } else {
- entry->timestamp_end = UINT64_C(-1);
- entry->timestamp_end_ns = UINT64_C(-1);
- }
+ int ret = 0;
+ struct ctf_stream_class *sc;
+ bt_self_component *self_comp = ds_file->self_comp;
+ bt_logging_level log_level = ds_file->log_level;
+
+ sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props->stream_class_id);
+ BT_ASSERT(sc);
+ BT_ASSERT(packet_offset >= 0);
+ entry->offset = packet_offset;
+ BT_ASSERT(packet_size >= 0);
+ entry->packet_size = packet_size;
+
+ if (props->snapshots.beginning_clock != UINT64_C(-1)) {
+ entry->timestamp_begin = props->snapshots.beginning_clock;
+
+ /* Convert the packet's bound to nanoseconds since Epoch. */
+ ret = convert_cycles_to_ns(sc->default_clock_class, props->snapshots.beginning_clock,
+ &entry->timestamp_begin_ns);
+ if (ret) {
+ BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch.");
+ goto end;
+ }
+ } else {
+ entry->timestamp_begin = UINT64_C(-1);
+ entry->timestamp_begin_ns = UINT64_C(-1);
+ }
+
+ if (props->snapshots.end_clock != UINT64_C(-1)) {
+ entry->timestamp_end = props->snapshots.end_clock;
+
+ /* Convert the packet's bound to nanoseconds since Epoch. */
+ ret = convert_cycles_to_ns(sc->default_clock_class, props->snapshots.end_clock,
+ &entry->timestamp_end_ns);
+ if (ret) {
+ BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch.");
+ goto end;
+ }
+ } else {
+ entry->timestamp_end = UINT64_C(-1);
+ entry->timestamp_end_ns = UINT64_C(-1);
+ }
end:
- return ret;
+ return ret;
}
-static
-struct ctf_fs_ds_index *build_index_from_stream_file(
- struct ctf_fs_ds_file *ds_file,
- struct ctf_fs_ds_file_info *file_info,
- struct ctf_msg_iter *msg_iter)
+static struct ctf_fs_ds_index *build_index_from_stream_file(struct ctf_fs_ds_file *ds_file,
+ struct ctf_fs_ds_file_info *file_info,
+ struct ctf_msg_iter *msg_iter)
{
- int ret;
- struct ctf_fs_ds_index *index = NULL;
- enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK;
- off_t current_packet_offset_bytes = 0;
- bt_self_component *self_comp = ds_file->self_comp;
- bt_logging_level log_level = ds_file->log_level;
-
- BT_COMP_LOGI("Indexing stream file %s", ds_file->file->path->str);
-
- index = ctf_fs_ds_index_create(ds_file->log_level, ds_file->self_comp);
- if (!index) {
- goto error;
- }
-
- while (true) {
- off_t current_packet_size_bytes;
- struct ctf_fs_ds_index_entry *index_entry;
- struct ctf_msg_iter_packet_properties props;
-
- if (current_packet_offset_bytes < 0) {
- BT_COMP_LOGE_STR("Cannot get the current packet's offset.");
- goto error;
- } else if (current_packet_offset_bytes > ds_file->file->size) {
- BT_COMP_LOGE_STR("Unexpected current packet's offset (larger than file).");
- goto error;
- } else if (current_packet_offset_bytes == ds_file->file->size) {
- /* No more data */
- break;
- }
-
- iter_status = ctf_msg_iter_seek(msg_iter,
- current_packet_offset_bytes);
- if (iter_status != CTF_MSG_ITER_STATUS_OK) {
- goto error;
- }
-
- iter_status = ctf_msg_iter_get_packet_properties(
- msg_iter, &props);
- if (iter_status != CTF_MSG_ITER_STATUS_OK) {
- goto error;
- }
-
- if (props.exp_packet_total_size >= 0) {
- current_packet_size_bytes =
- (uint64_t) props.exp_packet_total_size / 8;
- } else {
- current_packet_size_bytes = ds_file->file->size;
- }
-
- if (current_packet_offset_bytes + current_packet_size_bytes >
- ds_file->file->size) {
- BT_COMP_LOGW("Invalid packet size reported in file: stream=\"%s\", "
- "packet-offset=%jd, packet-size-bytes=%jd, "
- "file-size=%jd",
- ds_file->file->path->str,
- (intmax_t) current_packet_offset_bytes,
- (intmax_t) current_packet_size_bytes,
- (intmax_t) ds_file->file->size);
- goto error;
- }
-
- index_entry = ctf_fs_ds_index_entry_create(
- ds_file->self_comp, ds_file->log_level);
- if (!index_entry) {
- BT_COMP_LOGE_APPEND_CAUSE(ds_file->self_comp,
- "Failed to create a ctf_fs_ds_index_entry.");
- goto error;
- }
-
- /* Set path to stream file. */
- index_entry->path = file_info->path->str;
-
- ret = init_index_entry(index_entry, ds_file, &props,
- current_packet_size_bytes, current_packet_offset_bytes);
- if (ret) {
- g_free(index_entry);
- goto error;
- }
-
- g_ptr_array_add(index->entries, index_entry);
-
- current_packet_offset_bytes += current_packet_size_bytes;
- BT_COMP_LOGD("Seeking to next packet: current-packet-offset=%jd, "
- "next-packet-offset=%jd",
- (intmax_t) (current_packet_offset_bytes - current_packet_size_bytes),
- (intmax_t) current_packet_offset_bytes);
- }
+ int ret;
+ struct ctf_fs_ds_index *index = NULL;
+ enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK;
+ off_t current_packet_offset_bytes = 0;
+ bt_self_component *self_comp = ds_file->self_comp;
+ bt_logging_level log_level = ds_file->log_level;
+
+ BT_COMP_LOGI("Indexing stream file %s", ds_file->file->path->str);
+
+ index = ctf_fs_ds_index_create(ds_file->log_level, ds_file->self_comp);
+ if (!index) {
+ goto error;
+ }
+
+ while (true) {
+ off_t current_packet_size_bytes;
+ struct ctf_fs_ds_index_entry *index_entry;
+ struct ctf_msg_iter_packet_properties props;
+
+ if (current_packet_offset_bytes < 0) {
+ BT_COMP_LOGE_STR("Cannot get the current packet's offset.");
+ goto error;
+ } else if (current_packet_offset_bytes > ds_file->file->size) {
+ BT_COMP_LOGE_STR("Unexpected current packet's offset (larger than file).");
+ goto error;
+ } else if (current_packet_offset_bytes == ds_file->file->size) {
+ /* No more data */
+ break;
+ }
+
+ iter_status = ctf_msg_iter_seek(msg_iter, current_packet_offset_bytes);
+ if (iter_status != CTF_MSG_ITER_STATUS_OK) {
+ goto error;
+ }
+
+ iter_status = ctf_msg_iter_get_packet_properties(msg_iter, &props);
+ if (iter_status != CTF_MSG_ITER_STATUS_OK) {
+ goto error;
+ }
+
+ if (props.exp_packet_total_size >= 0) {
+ current_packet_size_bytes = (uint64_t) props.exp_packet_total_size / 8;
+ } else {
+ current_packet_size_bytes = ds_file->file->size;
+ }
+
+ if (current_packet_offset_bytes + current_packet_size_bytes > ds_file->file->size) {
+ BT_COMP_LOGW("Invalid packet size reported in file: stream=\"%s\", "
+ "packet-offset=%jd, packet-size-bytes=%jd, "
+ "file-size=%jd",
+ ds_file->file->path->str, (intmax_t) current_packet_offset_bytes,
+ (intmax_t) current_packet_size_bytes, (intmax_t) ds_file->file->size);
+ goto error;
+ }
+
+ index_entry = ctf_fs_ds_index_entry_create(ds_file->self_comp, ds_file->log_level);
+ if (!index_entry) {
+ BT_COMP_LOGE_APPEND_CAUSE(ds_file->self_comp,
+ "Failed to create a ctf_fs_ds_index_entry.");
+ goto error;
+ }
+
+ /* Set path to stream file. */
+ index_entry->path = file_info->path->str;
+
+ ret = init_index_entry(index_entry, ds_file, &props, current_packet_size_bytes,
+ current_packet_offset_bytes);
+ if (ret) {
+ g_free(index_entry);
+ goto error;
+ }
+
+ g_ptr_array_add(index->entries, index_entry);
+
+ current_packet_offset_bytes += current_packet_size_bytes;
+ BT_COMP_LOGD("Seeking to next packet: current-packet-offset=%jd, "
+ "next-packet-offset=%jd",
+ (intmax_t) (current_packet_offset_bytes - current_packet_size_bytes),
+ (intmax_t) current_packet_offset_bytes);
+ }
end:
- return index;
+ return index;
error:
- ctf_fs_ds_index_destroy(index);
- index = NULL;
- goto end;
+ ctf_fs_ds_index_destroy(index);
+ index = NULL;
+ goto end;
}
BT_HIDDEN
-struct ctf_fs_ds_file *ctf_fs_ds_file_create(
- struct ctf_fs_trace *ctf_fs_trace,
- bt_self_message_iterator *self_msg_iter,
- bt_stream *stream, const char *path,
- bt_logging_level log_level)
+struct ctf_fs_ds_file *ctf_fs_ds_file_create(struct ctf_fs_trace *ctf_fs_trace, bt_stream *stream,
+ const char *path, bt_logging_level log_level)
{
- int ret;
- const size_t offset_align = bt_mmap_get_offset_align_size(log_level);
- struct ctf_fs_ds_file *ds_file = g_new0(struct ctf_fs_ds_file, 1);
-
- if (!ds_file) {
- goto error;
- }
-
- ds_file->log_level = log_level;
- ds_file->self_comp = ctf_fs_trace->self_comp;
- ds_file->self_msg_iter = self_msg_iter;
- ds_file->file = ctf_fs_file_create(log_level, ds_file->self_comp);
- if (!ds_file->file) {
- goto error;
- }
-
- ds_file->stream = stream;
- bt_stream_get_ref(ds_file->stream);
- ds_file->metadata = ctf_fs_trace->metadata;
- g_string_assign(ds_file->file->path, path);
- ret = ctf_fs_file_open(ds_file->file, "rb");
- if (ret) {
- goto error;
- }
-
- ds_file->mmap_max_len = offset_align * 2048;
-
- goto end;
+ int ret;
+ const size_t offset_align = bt_mmap_get_offset_align_size(log_level);
+ struct ctf_fs_ds_file *ds_file = g_new0(struct ctf_fs_ds_file, 1);
+
+ if (!ds_file) {
+ goto error;
+ }
+
+ ds_file->log_level = log_level;
+ ds_file->self_comp = ctf_fs_trace->self_comp;
+ ds_file->file = ctf_fs_file_create(log_level, ds_file->self_comp);
+ if (!ds_file->file) {
+ goto error;
+ }
+
+ ds_file->stream = stream;
+ bt_stream_get_ref(ds_file->stream);
+ ds_file->metadata = ctf_fs_trace->metadata;
+ g_string_assign(ds_file->file->path, path);
+ ret = ctf_fs_file_open(ds_file->file, "rb");
+ if (ret) {
+ goto error;
+ }
+
+ ds_file->mmap_max_len = offset_align * 2048;
+
+ goto end;
error:
- /* Do not touch "borrowed" file. */
- ctf_fs_ds_file_destroy(ds_file);
- ds_file = NULL;
+ /* Do not touch "borrowed" file. */
+ ctf_fs_ds_file_destroy(ds_file);
+ ds_file = NULL;
end:
- return ds_file;
+ return ds_file;
}
BT_HIDDEN
-struct ctf_fs_ds_index *ctf_fs_ds_file_build_index(
- struct ctf_fs_ds_file *ds_file,
- struct ctf_fs_ds_file_info *file_info,
- struct ctf_msg_iter *msg_iter)
+struct ctf_fs_ds_index *ctf_fs_ds_file_build_index(struct ctf_fs_ds_file *ds_file,
+ struct ctf_fs_ds_file_info *file_info,
+ struct ctf_msg_iter *msg_iter)
{
- struct ctf_fs_ds_index *index;
- bt_self_component *self_comp = ds_file->self_comp;
- bt_logging_level log_level = ds_file->log_level;
-
- index = build_index_from_idx_file(ds_file, file_info, msg_iter);
- if (index) {
- goto end;
- }
-
- BT_COMP_LOGI("Failed to build index from .index file; "
- "falling back to stream indexing.");
- index = build_index_from_stream_file(ds_file, file_info, msg_iter);
+ struct ctf_fs_ds_index *index;
+ bt_self_component *self_comp = ds_file->self_comp;
+ bt_logging_level log_level = ds_file->log_level;
+
+ index = build_index_from_idx_file(ds_file, file_info, msg_iter);
+ if (index) {
+ goto end;
+ }
+
+ BT_COMP_LOGI("Failed to build index from .index file; "
+ "falling back to stream indexing.");
+ index = build_index_from_stream_file(ds_file, file_info, msg_iter);
end:
- return index;
+ return index;
}
BT_HIDDEN
struct ctf_fs_ds_index *ctf_fs_ds_index_create(bt_logging_level log_level,
- bt_self_component *self_comp)
+ bt_self_component *self_comp)
{
- struct ctf_fs_ds_index *index = g_new0(struct ctf_fs_ds_index, 1);
+ struct ctf_fs_ds_index *index = g_new0(struct ctf_fs_ds_index, 1);
- if (!index) {
- BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp,
- "Failed to allocate index");
- goto error;
- }
+ if (!index) {
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, "Failed to allocate index");
+ goto error;
+ }
- index->entries = g_ptr_array_new_with_free_func((GDestroyNotify) g_free);
- if (!index->entries) {
- BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp,
- "Failed to allocate index entries.");
- goto error;
- }
+ index->entries = g_ptr_array_new_with_free_func((GDestroyNotify) g_free);
+ if (!index->entries) {
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp,
+ "Failed to allocate index entries.");
+ goto error;
+ }
- goto end;
+ goto end;
error:
- ctf_fs_ds_index_destroy(index);
- index = NULL;
+ ctf_fs_ds_index_destroy(index);
+ index = NULL;
end:
- return index;
+ return index;
}
BT_HIDDEN
void ctf_fs_ds_file_destroy(struct ctf_fs_ds_file *ds_file)
{
- if (!ds_file) {
- return;
- }
+ if (!ds_file) {
+ return;
+ }
- bt_stream_put_ref(ds_file->stream);
- (void) ds_file_munmap(ds_file);
+ bt_stream_put_ref(ds_file->stream);
+ (void) ds_file_munmap(ds_file);
- if (ds_file->file) {
- ctf_fs_file_destroy(ds_file->file);
- }
+ if (ds_file->file) {
+ ctf_fs_file_destroy(ds_file->file);
+ }
- g_free(ds_file);
+ g_free(ds_file);
}
BT_HIDDEN
void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index *index)
{
- if (!index) {
- return;
- }
-
- if (index->entries) {
- g_ptr_array_free(index->entries, TRUE);
- }
- g_free(index);
+ if (!index) {
+ return;
+ }
+
+ if (index->entries) {
+ g_ptr_array_free(index->entries, TRUE);
+ }
+ g_free(index);
}
projects / babeltrace.git / blobdiff