pceplib: Integrate pcelib into frr

Signed-off-by: Brady Johnson <brady@voltanet.io>
Co-authored-by: Javier Garcia <javier.garcia@voltanet.io>
Signed-off-by: Javier Garcia <javier.garcia@voltanet.io>

1 files changed, 109 insertions, 0 deletions

diff --git a/pceplib/pcep_session_logic_internals.h b/pceplib/pcep_session_logic_internals.h
new file mode 100644
index 0000000000..004459b918
--- /dev/null
+++ b/pceplib/pcep_session_logic_internals.h
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+/*
+ * This file is part of the PCEPlib, a PCEP protocol library.
+ *
+ * Copyright (C) 2020 Volta Networks https://voltanet.io/
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Author : Brady Johnson <brady@voltanet.io>
+ *
+ */
+
+
+/*
+ * Internal Session Logic declarations, not intended to be in the public API.
+ */
+
+#ifndef SRC_PCEPSESSIONLOGICINTERNALS_H_
+#define SRC_PCEPSESSIONLOGICINTERNALS_H_
+
+
+#include <pthread.h>
+#include <stdbool.h>
+
+#include "pcep_msg_tools.h"
+
+#include "pcep_utils_double_linked_list.h"
+#include "pcep_utils_ordered_list.h"
+#include "pcep_utils_queue.h"
+
+
+typedef struct pcep_session_logic_handle_ {
+	pthread_t session_logic_thread;
+	pthread_mutex_t session_logic_mutex;
+	pthread_cond_t session_logic_cond_var;
+	bool session_logic_condition;
+	bool active;
+
+	ordered_list_handle *session_list;
+	pthread_mutex_t session_list_mutex;
+	/* Internal timers and socket events */
+	queue_handle *session_event_queue;
+
+} pcep_session_logic_handle;
+
+
+/* Used internally for Session events: message received, timer expired,
+ * or socket closed */
+typedef struct pcep_session_event_ {
+	pcep_session *session;
+	int expired_timer_id;
+	double_linked_list *received_msg_list;
+	bool socket_closed;
+
+} pcep_session_event;
+
+/* Event Counters counter-id definitions */
+typedef enum pcep_session_counters_event_counter_ids {
+	PCEP_EVENT_COUNTER_ID_PCC_CONNECT = 0,
+	PCEP_EVENT_COUNTER_ID_PCE_CONNECT = 1,
+	PCEP_EVENT_COUNTER_ID_PCC_DISCONNECT = 2,
+	PCEP_EVENT_COUNTER_ID_PCE_DISCONNECT = 3,
+	PCEP_EVENT_COUNTER_ID_TIMER_KEEPALIVE = 4,
+	PCEP_EVENT_COUNTER_ID_TIMER_DEADTIMER = 5,
+	PCEP_EVENT_COUNTER_ID_TIMER_OPENKEEPWAIT = 6,
+	PCEP_EVENT_COUNTER_ID_TIMER_OPENKEEPALIVE = 7
+
+} pcep_session_counters_event_counter_ids;
+
+/* functions implemented in pcep_session_logic_loop.c */
+void *session_logic_loop(void *data);
+int session_logic_msg_ready_handler(void *data, int socket_fd);
+void session_logic_message_sent_handler(void *data, int socket_fd);
+void session_logic_conn_except_notifier(void *data, int socket_fd);
+void session_logic_timer_expire_handler(void *data, int timer_id);
+
+void handle_timer_event(pcep_session_event *event);
+void handle_socket_comm_event(pcep_session_event *event);
+void session_send_message(pcep_session *session, struct pcep_message *message);
+
+/* defined in pcep_session_logic_states.c */
+void send_pcep_error(pcep_session *session, enum pcep_error_type error_type,
+		     enum pcep_error_value error_value);
+void enqueue_event(pcep_session *session, pcep_event_type event_type,
+		   struct pcep_message *message);
+void increment_unknown_message(pcep_session *session);
+
+/* defined in pcep_session_logic_counters.c */
+void create_session_counters(pcep_session *session);
+void increment_event_counters(
+	pcep_session *session,
+	pcep_session_counters_event_counter_ids counter_id);
+void increment_message_rx_counters(pcep_session *session,
+				   struct pcep_message *message);
+
+/* defined in pcep_session_logic.c, also used in pcep_session_logic_states.c */
+struct pcep_message *create_pcep_open(pcep_session *session);
+
+#endif /* SRC_PCEPSESSIONLOGICINTERNALS_H_ */