projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 74971473 JG |
1 | /* |
| 2 | * This file is part of the PCEPlib, a PCEP protocol library. | |
| 3 | * | |
| 4 | * Copyright (C) 2020 Volta Networks https://voltanet.io/ | |
| 5 | * | |
| 6 | * This library is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU Lesser General Public | |
| 8 | * License as published by the Free Software Foundation; either | |
| 9 | * version 2 of the License, or (at your option) any later version. | |
| 10 | * | |
| 11 | * This library is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | * Lesser General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 18 | * | |
| 19 | * Author : Brady Johnson <brady@voltanet.io> | |
| 20 | * | |
| 21 | */ | |
| 22 | ||
| 23 | ||
| 24 | /* | |
| 25 | * Internal Session Logic declarations, not intended to be in the public API. | |
| 26 | */ | |
| 27 | ||
| 28 | #ifndef SRC_PCEPSESSIONLOGICINTERNALS_H_ | |
| 29 | #define SRC_PCEPSESSIONLOGICINTERNALS_H_ | |
| 30 | ||
| 31 | ||
| 32 | #include <pthread.h> | |
| 33 | #include <stdbool.h> | |
| 34 | ||
| 35 | #include "pcep_msg_tools.h" | |
| 36 | ||
| 37 | #include "pcep_utils_double_linked_list.h" | |
| 38 | #include "pcep_utils_ordered_list.h" | |
| 39 | #include "pcep_utils_queue.h" | |
| 40 | ||
| 41 | ||
| 42 | typedef struct pcep_session_logic_handle_ { | |
| 43 | pthread_t session_logic_thread; | |
| 44 | pthread_mutex_t session_logic_mutex; | |
| 45 | pthread_cond_t session_logic_cond_var; | |
| 46 | bool session_logic_condition; | |
| 47 | bool active; | |
| 48 | ||
| 49 | ordered_list_handle *session_list; | |
| 50 | pthread_mutex_t session_list_mutex; | |
| 51 | /* Internal timers and socket events */ | |
| 52 | queue_handle *session_event_queue; | |
| 53 | ||
| 54 | } pcep_session_logic_handle; | |
| 55 | ||
| 56 | ||
| 57 | /* Used internally for Session events: message received, timer expired, | |
| 58 | * or socket closed */ | |
| 59 | typedef struct pcep_session_event_ { | |
| 60 | pcep_session *session; | |
| 61 | int expired_timer_id; | |
| 62 | double_linked_list *received_msg_list; | |
| 63 | bool socket_closed; | |
| 64 | ||
| 65 | } pcep_session_event; | |
| 66 | ||
| 67 | /* Event Counters counter-id definitions */ | |
| 68 | typedef enum pcep_session_counters_event_counter_ids { | |
| 69 | PCEP_EVENT_COUNTER_ID_PCC_CONNECT = 0, | |
| 70 | PCEP_EVENT_COUNTER_ID_PCE_CONNECT = 1, | |
| 71 | PCEP_EVENT_COUNTER_ID_PCC_DISCONNECT = 2, | |
| 72 | PCEP_EVENT_COUNTER_ID_PCE_DISCONNECT = 3, | |
| 73 | PCEP_EVENT_COUNTER_ID_TIMER_KEEPALIVE = 4, | |
| 74 | PCEP_EVENT_COUNTER_ID_TIMER_DEADTIMER = 5, | |
| 75 | PCEP_EVENT_COUNTER_ID_TIMER_OPENKEEPWAIT = 6, | |
| 76 | PCEP_EVENT_COUNTER_ID_TIMER_OPENKEEPALIVE = 7 | |
| 77 | ||
| 78 | } pcep_session_counters_event_counter_ids; | |
| 79 | ||
| 80 | /* functions implemented in pcep_session_logic_loop.c */ | |
| 81 | void *session_logic_loop(void *data); | |
| 82 | int session_logic_msg_ready_handler(void *data, int socket_fd); | |
| 83 | void session_logic_message_sent_handler(void *data, int socket_fd); | |
| 84 | void session_logic_conn_except_notifier(void *data, int socket_fd); | |
| 85 | void session_logic_timer_expire_handler(void *data, int timer_id); | |
| 86 | ||
| 87 | void handle_timer_event(pcep_session_event *event); | |
| 88 | void handle_socket_comm_event(pcep_session_event *event); | |
| 89 | void session_send_message(pcep_session *session, struct pcep_message *message); | |
| 90 | ||
| 91 | /* defined in pcep_session_logic_states.c */ | |
| 92 | void send_pcep_error(pcep_session *session, enum pcep_error_type error_type, | |
| 93 | enum pcep_error_value error_value); | |
| 94 | void enqueue_event(pcep_session *session, pcep_event_type event_type, | |
| 95 | struct pcep_message *message); | |
| 96 | void increment_unknown_message(pcep_session *session); | |
| 97 | ||
| 98 | /* defined in pcep_session_logic_counters.c */ | |
| 99 | void create_session_counters(pcep_session *session); | |
| 100 | void increment_event_counters( | |
| 101 | pcep_session *session, | |
| 102 | pcep_session_counters_event_counter_ids counter_id); | |
| 103 | void increment_message_rx_counters(pcep_session *session, | |
| 104 | struct pcep_message *message); | |
| 105 | ||
| 106 | /* defined in pcep_session_logic.c, also used in pcep_session_logic_states.c */ | |
| 107 | struct pcep_message *create_pcep_open(pcep_session *session); | |
| 108 | ||
| 109 | #endif /* SRC_PCEPSESSIONLOGICINTERNALS_H_ */ |