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acddc0ed | 1 | // SPDX-License-Identifier: LGPL-2.1-or-later |
74971473 JG |
2 | /* |
3 | * This file is part of the PCEPlib, a PCEP protocol library. | |
4 | * | |
5 | * Copyright (C) 2020 Volta Networks https://voltanet.io/ | |
6 | * | |
74971473 JG |
7 | * Author : Brady Johnson <brady@voltanet.io> |
8 | * | |
9 | */ | |
10 | ||
11 | ||
12 | /* | |
13 | * Internal Session Logic declarations, not intended to be in the public API. | |
14 | */ | |
15 | ||
16 | #ifndef SRC_PCEPSESSIONLOGICINTERNALS_H_ | |
17 | #define SRC_PCEPSESSIONLOGICINTERNALS_H_ | |
18 | ||
19 | ||
20 | #include <pthread.h> | |
21 | #include <stdbool.h> | |
22 | ||
23 | #include "pcep_msg_tools.h" | |
24 | ||
25 | #include "pcep_utils_double_linked_list.h" | |
26 | #include "pcep_utils_ordered_list.h" | |
27 | #include "pcep_utils_queue.h" | |
28 | ||
29 | ||
30 | typedef struct pcep_session_logic_handle_ { | |
31 | pthread_t session_logic_thread; | |
32 | pthread_mutex_t session_logic_mutex; | |
33 | pthread_cond_t session_logic_cond_var; | |
34 | bool session_logic_condition; | |
35 | bool active; | |
36 | ||
37 | ordered_list_handle *session_list; | |
38 | pthread_mutex_t session_list_mutex; | |
39 | /* Internal timers and socket events */ | |
40 | queue_handle *session_event_queue; | |
41 | ||
42 | } pcep_session_logic_handle; | |
43 | ||
44 | ||
45 | /* Used internally for Session events: message received, timer expired, | |
46 | * or socket closed */ | |
47 | typedef struct pcep_session_event_ { | |
48 | pcep_session *session; | |
49 | int expired_timer_id; | |
50 | double_linked_list *received_msg_list; | |
51 | bool socket_closed; | |
52 | ||
53 | } pcep_session_event; | |
54 | ||
55 | /* Event Counters counter-id definitions */ | |
56 | typedef enum pcep_session_counters_event_counter_ids { | |
57 | PCEP_EVENT_COUNTER_ID_PCC_CONNECT = 0, | |
58 | PCEP_EVENT_COUNTER_ID_PCE_CONNECT = 1, | |
59 | PCEP_EVENT_COUNTER_ID_PCC_DISCONNECT = 2, | |
60 | PCEP_EVENT_COUNTER_ID_PCE_DISCONNECT = 3, | |
61 | PCEP_EVENT_COUNTER_ID_TIMER_KEEPALIVE = 4, | |
62 | PCEP_EVENT_COUNTER_ID_TIMER_DEADTIMER = 5, | |
63 | PCEP_EVENT_COUNTER_ID_TIMER_OPENKEEPWAIT = 6, | |
64 | PCEP_EVENT_COUNTER_ID_TIMER_OPENKEEPALIVE = 7 | |
65 | ||
66 | } pcep_session_counters_event_counter_ids; | |
67 | ||
68 | /* functions implemented in pcep_session_logic_loop.c */ | |
69 | void *session_logic_loop(void *data); | |
70 | int session_logic_msg_ready_handler(void *data, int socket_fd); | |
71 | void session_logic_message_sent_handler(void *data, int socket_fd); | |
72 | void session_logic_conn_except_notifier(void *data, int socket_fd); | |
73 | void session_logic_timer_expire_handler(void *data, int timer_id); | |
74 | ||
75 | void handle_timer_event(pcep_session_event *event); | |
76 | void handle_socket_comm_event(pcep_session_event *event); | |
77 | void session_send_message(pcep_session *session, struct pcep_message *message); | |
78 | ||
79 | /* defined in pcep_session_logic_states.c */ | |
80 | void send_pcep_error(pcep_session *session, enum pcep_error_type error_type, | |
81 | enum pcep_error_value error_value); | |
82 | void enqueue_event(pcep_session *session, pcep_event_type event_type, | |
83 | struct pcep_message *message); | |
84 | void increment_unknown_message(pcep_session *session); | |
85 | ||
86 | /* defined in pcep_session_logic_counters.c */ | |
87 | void create_session_counters(pcep_session *session); | |
88 | void increment_event_counters( | |
89 | pcep_session *session, | |
90 | pcep_session_counters_event_counter_ids counter_id); | |
91 | void increment_message_rx_counters(pcep_session *session, | |
92 | struct pcep_message *message); | |
93 | ||
94 | /* defined in pcep_session_logic.c, also used in pcep_session_logic_states.c */ | |
95 | struct pcep_message *create_pcep_open(pcep_session *session); | |
96 | ||
97 | #endif /* SRC_PCEPSESSIONLOGICINTERNALS_H_ */ |