| 1 | /* |
| 2 | * trace_handle.c |
| 3 | * |
| 4 | * Babeltrace Library |
| 5 | * |
| 6 | * Copyright 2012 EfficiOS Inc. and Linux Foundation |
| 7 | * |
| 8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 9 | * Julien Desfossez <julien.desfossez@efficios.com> |
| 10 | * |
| 11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 12 | * of this software and associated documentation files (the "Software"), to deal |
| 13 | * in the Software without restriction, including without limitation the rights |
| 14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 15 | * copies of the Software, and to permit persons to whom the Software is |
| 16 | * furnished to do so, subject to the following conditions: |
| 17 | * |
| 18 | * The above copyright notice and this permission notice shall be included in |
| 19 | * all copies or substantial portions of the Software. |
| 20 | */ |
| 21 | |
| 22 | #include <stdint.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <babeltrace/babeltrace.h> |
| 25 | #include <babeltrace/context.h> |
| 26 | #include <babeltrace/context-internal.h> |
| 27 | #include <babeltrace/trace-handle.h> |
| 28 | #include <babeltrace/trace-handle-internal.h> |
| 29 | |
| 30 | struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx) |
| 31 | { |
| 32 | struct bt_trace_handle *th; |
| 33 | |
| 34 | th = g_new0(struct bt_trace_handle, 1); |
| 35 | th->id = ctx->last_trace_handle_id++; |
| 36 | return th; |
| 37 | } |
| 38 | |
| 39 | void bt_trace_handle_destroy(struct bt_trace_handle *th) |
| 40 | { |
| 41 | g_free(th); |
| 42 | } |
| 43 | |
| 44 | int bt_trace_handle_get_id(struct bt_trace_handle *th) |
| 45 | { |
| 46 | return th->id; |
| 47 | } |
| 48 | |
| 49 | const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id) |
| 50 | { |
| 51 | struct bt_trace_handle *handle; |
| 52 | |
| 53 | handle = g_hash_table_lookup(ctx->trace_handles, |
| 54 | (gpointer) (unsigned long) handle_id); |
| 55 | if (!handle) |
| 56 | return NULL; |
| 57 | return handle->path; |
| 58 | } |
| 59 | |
| 60 | uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, int handle_id) |
| 61 | { |
| 62 | struct bt_trace_handle *handle; |
| 63 | |
| 64 | handle = g_hash_table_lookup(ctx->trace_handles, |
| 65 | (gpointer) (unsigned long) handle_id); |
| 66 | if (!handle) |
| 67 | return -1ULL; |
| 68 | return handle->timestamp_begin; |
| 69 | } |
| 70 | |
| 71 | uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, int handle_id) |
| 72 | { |
| 73 | struct bt_trace_handle *handle; |
| 74 | |
| 75 | handle = g_hash_table_lookup(ctx->trace_handles, |
| 76 | (gpointer) (unsigned long) handle_id); |
| 77 | if (!handle) |
| 78 | return -1ULL; |
| 79 | return handle->timestamp_end; |
| 80 | } |