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bacnet-stack/demo/router/portthread.h

139 lines
3.3 KiB
C

/**
* @file
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
* @date 2012
* @brief Network port storage and handling
*
* @section LICENSE
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef PORTTHREAD_H
#define PORTTHREAD_H
#include <stdint.h>
#include <stdbool.h>
#include <pthread.h>
#include "msgqueue.h"
#include "bacdef.h"
#include "npdu.h"
#define ERROR 1
#define INFO 2
#define DEBUG 3
#define DEBUG_LEVEL 3
#ifdef DEBUG_LEVEL
#define PRINT(debug_level, ...) if(debug_level <= DEBUG_LEVEL) fprintf(stderr, __VA_ARGS__)
#else
#define PRINT(...)
#endif
typedef enum {
BIP = 1,
MSTP = 2
} DL_TYPE;
typedef enum {
INIT,
INIT_FAILED,
RUNNING,
FINISHED
} PORT_STATE;
/* router port thread function */
typedef void *(
*PORT_FUNC) (
void *);
typedef enum {
PARITY_NONE,
PARITY_EVEN,
PARITY_ODD
} PARITY;
/* port specific parameters */
typedef union _port_params {
struct {
uint16_t port;
} bip_params;
struct {
uint32_t baudrate;
PARITY parity;
uint8_t databits;
uint8_t stopbits;
uint8_t max_master;
uint8_t max_frames;
} mstp_params;
} PORT_PARAMS;
/* list node for reacheble networks */
typedef struct _dnet {
uint8_t mac[MAX_MAC_LEN];
uint8_t mac_len;
uint16_t net;
bool state; /* enabled or disabled */
struct _dnet *next;
} DNET;
/* information for routing table */
typedef struct _routing_table_entry {
uint8_t mac[MAX_MAC_LEN];
uint8_t mac_len;
uint16_t net;
DNET *dnets;
} RT_ENTRY;
typedef struct _port {
DL_TYPE type;
PORT_STATE state;
MSGBOX_ID main_id; /* same for every router port */
MSGBOX_ID port_id; /* different for every router port */
char *iface;
PORT_FUNC func;
RT_ENTRY route_info;
PORT_PARAMS params;
struct _port *next; /* pointer to next list node */
} ROUTER_PORT;
extern ROUTER_PORT *head;
extern int port_count;
/* get recieving router port */
ROUTER_PORT *find_snet(
MSGBOX_ID id);
/* get sending router port */
ROUTER_PORT *find_dnet(
uint16_t net,
BACNET_ADDRESS * addr);
/* add reacheble network for specified router port */
void add_dnet(
RT_ENTRY * route_info,
uint16_t net,
BACNET_ADDRESS addr);
void cleanup_dnets(
DNET * dnets);
#endif /* end of PORTTHREAD_H */