| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef APACHE_HTRACE_UTIL_TRACER_ID_H |
| #define APACHE_HTRACE_UTIL_TRACER_ID_H |
| |
| #include <unistd.h> /* for size_t */ |
| |
| /** |
| * @file tracer_id.h |
| * |
| * Implements process IDs for the HTrace C client. |
| * |
| * This is an internal header, not intended for external use. |
| */ |
| |
| struct htrace_log; |
| |
| /** |
| * Calculate the tracer ID. |
| * |
| * @param lg A log object which will be used to report warnings. |
| * @param fmt The user-provided string to use when calculating the |
| * tracer ID. |
| * @param tname The name supplied when creating the htracer. |
| * |
| * @return NULL on OOM; the tracer ID otherwise. |
| */ |
| char *calculate_tracer_id(struct htrace_log *lg, const char *fmt, |
| const char *tname); |
| |
| /** |
| * Get the best IP address representing this host. |
| * |
| * @param lg A log object which will be used to report warnings. |
| * @param ip_str (out param) output string |
| * @param ip_str_len Length of output string |
| */ |
| void get_best_ip(struct htrace_log *lg, char *ip_str, size_t ip_str_len); |
| |
| #endif |
| |
| // vim: ts=4: sw=4: et |