115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/*
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* This file is part of the rtap localisation project.
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*/
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#ifndef _OWLPS_AGGREGATOR_H_
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#define _OWLPS_AGGREGATOR_H_
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#include <owlps.h>
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/* Arguments & program configuration */
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#define OPTIONS "a:Ac:C:f:hi:k:K:l:o:p:qt:vV" // getopt string
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#define DEFAULT_CONFIG_FILE "/usr/local/etc/owlps/owlps-aggregator.conf"
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#define DEFAULT_AGGREGATE_TIMEOUT 1500 // milliseconds
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#define DEFAULT_KEEP_TIMEOUT 3000 // milliseconds
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#define DEFAULT_CHECK_INTERVAL 500 // milliseconds
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#define DEFAULT_AP_KEEP_TIMEOUT 600 // seconds
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#define DEFAULT_AP_CHECK_INTERVAL 1000 // milliseconds
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#define POSITIONER_DEFAULT_IP "127.0.0.1"
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/* Verbosity levels */
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#define VERBOSE_QUIET cfg_getint(cfg, "verbose") == 0
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#define VERBOSE_WARNING cfg_getint(cfg, "verbose") >= 1
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#define VERBOSE_INFO cfg_getint(cfg, "verbose") >= 2
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#define VERBOSE_CHATTERBOX cfg_getint(cfg, "verbose") >= 3
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#define VERBOSE_REQUESTS cfg_getint(cfg, "verbose") >= 4
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/* Linked list storing data of each request */
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typedef struct _request_info_list
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{
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// MAC address of the transmitter AP (in bytes):
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uint8_t ap_mac_addr_bytes[ETHER_ADDR_LEN] ;
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// Signal strength received by the AP from the mobile:
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uint8_t ss_dbm ;
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struct _request_info_list *next ;
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} request_info_list ;
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/* Linked list of the requests */
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typedef struct _request_list
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{
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uint8_t type ;
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/* Request identifier */
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// Mobile MAC address (in bytes):
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uint8_t mobile_mac_addr_bytes[ETHER_ADDR_LEN] ;
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owl_timestamp request_time ; // Request time on the mobile
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/* Calibration data */
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float x_position ;
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float y_position ;
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float z_position ;
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owl_direction direction ; // Request orientation
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/* Other data */
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// Arrival time of the first packet of the request on the aggregator:
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owl_timestamp start_time ;
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request_info_list *info ; // Data for this request
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struct _request_list *next ;
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} request_list ;
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/* Linked list of the known APs */
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typedef struct _ap_list
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{
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uint8_t mac_addr_bytes[ETHER_ADDR_LEN] ;
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char ip_addr[INET_ADDRSTRLEN] ;
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owl_timestamp last_seen ;
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struct _ap_list *previous ;
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struct _ap_list *next ;
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} ap_list ;
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/* Function headers */
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int initialise_configuration(int argc, char **argv) ;
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int parse_config_file(int argc, char **argv) ;
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int parse_command_line(int argc, char **argv) ;
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int check_configuration(void) ;
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int read_loop(int sockfd) ;
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void got_request(owl_captured_request request) ;
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void* monitor_requests(void *NULL_value) ;
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void free_request_list(void) ;
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#ifndef NDEBUG
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void print_request_list(void) ;
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void print_request_info(request_info_list *info) ;
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#endif // NDEBUG
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void* listen_for_aps(void *NULL_value) ;
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void update_ap(uint8_t mac_addr_bytes[ETHER_ADDR_LEN],
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char ip_addr[INET_ADDRSTRLEN]) ;
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ap_list* find_ap(uint8_t mac_addr_bytes[ETHER_ADDR_LEN]) ;
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ap_list* add_ap_front(uint8_t mac_addr_bytes[ETHER_ADDR_LEN]) ;
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void update_ap_ip_addr(ap_list *ap, char ip_addr[INET_ADDRSTRLEN]) ;
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void update_ap_seen(ap_list *ap) ;
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void push_ap(ap_list *ap) ;
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void* monitor_aps(void *NULL_value) ;
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void delete_old_aps(void) ;
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void delete_ap(ap_list *ap) ;
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void unlink_ap(ap_list *ap) ;
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void order_send(ap_list *ap) ;
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void free_ap_list(void) ;
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void print_usage(void) ;
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void print_version(void) ;
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#endif // _OWLPS_AGGREGATOR_H_
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