| #pragma once |
| |
| #include <stdbool.h> |
| #include <sys/socket.h> |
| #include <arpa/inet.h> |
| #include <netinet/in.h> |
| |
| #include <pthread.h> |
| |
| #include <wintypes.h> |
| #include <winscard.h> |
| |
| #include <osmocom/core/linuxlist.h> |
| |
| #include "rspro_util.h" |
| |
| struct bankd; |
| |
| struct bank_slot { |
| uint16_t bank_id; |
| uint16_t slot_nr; |
| }; |
| |
| static inline bool bank_slot_equals(const struct bank_slot *a, const struct bank_slot *b) |
| { |
| if (a->bank_id == b->bank_id && a->slot_nr == b->slot_nr) |
| return true; |
| else |
| return false; |
| } |
| |
| struct client_slot { |
| uint16_t client_id; |
| uint16_t slot_nr; |
| }; |
| |
| static inline bool client_slot_equals(const struct client_slot *a, const struct client_slot *b) |
| { |
| if (a->client_id == b->client_id && a->slot_nr == b->slot_nr) |
| return true; |
| else |
| return false; |
| } |
| |
| /* slot mappings are created / removed by the server */ |
| struct bankd_slot_mapping { |
| /* global lits of bankd slot mappings */ |
| struct llist_head list; |
| /* slot on bank side */ |
| struct bank_slot bank; |
| /* slot on client side */ |
| struct client_slot client; |
| }; |
| |
| /* thread-safe lookup of map by client:slot */ |
| struct bankd_slot_mapping *bankd_slotmap_by_client(struct bankd *bankd, |
| const struct client_slot *client); |
| |
| /* thread-safe lookup of map by bank:slot */ |
| struct bankd_slot_mapping *bankd_slotmap_by_bank(struct bankd *bankd, const struct bank_slot *bank); |
| |
| /* thread-safe creating of a new bank<->client map */ |
| int bankd_slotmap_add(struct bankd *bankd, const struct bank_slot *bank, |
| const struct client_slot *client); |
| |
| /* thread-safe removal of a bank<->client map */ |
| void bankd_slotmap_del(struct bankd *bankd, struct bankd_slot_mapping *map); |
| |
| enum bankd_worker_state { |
| /* just started*/ |
| BW_ST_INIT, |
| /* blocking in the accept() call on the server socket fd */ |
| BW_ST_ACCEPTING, |
| /* TCP established, but peer not yet identified itself */ |
| BW_ST_CONN_WAIT_ID, |
| /* TCP established, client has identified itself, no mapping */ |
| BW_ST_CONN_CLIENT, |
| /* TCP established, client has identified itself, waiting for mapping */ |
| BW_ST_CONN_CLIENT_WAIT_MAP, |
| /* TCP established, client has identified itself, mapping exists */ |
| BW_ST_CONN_CLIENT_MAPPED, |
| /* TCP established, client identified, mapping exists, card opened */ |
| BW_ST_CONN_CLIENT_MAPPED_CARD, |
| }; |
| |
| |
| /* bankd worker instance; one per card/slot, includes thread */ |
| struct bankd_worker { |
| /* global list of workers */ |
| struct llist_head list; |
| /* back-pointer to bankd */ |
| struct bankd *bankd; |
| |
| /* thread number */ |
| unsigned int num; |
| /* worker thread state */ |
| enum bankd_worker_state state; |
| |
| /* slot number we are representing */ |
| struct bank_slot slot; |
| |
| /* thread of this worker. */ |
| pthread_t thread; |
| |
| /* File descriptor of the TCP connection to the remsim-client (modem) */ |
| struct { |
| int fd; |
| struct sockaddr_storage peer_addr; |
| socklen_t peer_addr_len; |
| struct client_slot clslot; |
| } client; |
| |
| struct { |
| const char *name; |
| union { |
| struct { |
| /* PC/SC context / application handle */ |
| SCARDCONTEXT hContext; |
| /* PC/SC card handle */ |
| SCARDHANDLE hCard; |
| } pcsc; |
| }; |
| } reader; |
| }; |
| |
| |
| /* global bank deamon */ |
| struct bankd { |
| struct { |
| uint16_t bank_id; |
| } cfg; |
| |
| struct app_comp_id comp_id; |
| |
| /* TCP socket at which we are listening */ |
| int accept_fd; |
| |
| /* list of slit mappings. only ever modified in main thread! */ |
| struct llist_head slot_mappings; |
| pthread_rwlock_t slot_mappings_rwlock; |
| |
| /* list of bankd_workers. accessed/modified by multiple threads; protected by mutex */ |
| struct llist_head workers; |
| pthread_mutex_t workers_mutex; |
| |
| struct llist_head pcsc_slot_names; |
| }; |
| |
| int bankd_pcsc_read_slotnames(struct bankd *bankd, const char *csv_file); |
| const char *bankd_pcsc_get_slot_name(struct bankd *bankd, const struct bank_slot *slot); |