125 lines
2.5 KiB
C++
125 lines
2.5 KiB
C++
/*! \file
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* Main functions to set-up dpi information and to initialise sockets
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*/
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#ifndef DPID_H
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#define DPID_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <sys/socket.h>
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#include <sys/select.h> /* for fd_set */
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#include <sys/un.h>
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#include <signal.h> /* for sig_atomic_t */
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#include <netinet/in.h> /* for ntohl, IPPORT_USERRESERVED and stuff */
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#include "d_size.h"
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/* FreeBSD 6.4 doesn't have it */
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#ifndef IPPORT_USERRESERVED
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#define IPPORT_USERRESERVED 5000
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#endif
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#define PATH_LEN 50
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#define CMDLEN 20
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#define MSGLEN 50
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#define DPID_BASE_PORT (IPPORT_USERRESERVED + 20)
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/*! \TODO: Should read this from flenserrc */
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#define SRS_NAME "dpid.srs"
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extern char *srs_name;
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/*! dpid's service request socket file descriptor */
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extern int srs_fd;
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/*! plugin state information
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*/
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struct dp {
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char *id;
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char *path;
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int sock_fd;
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int port;
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pid_t pid;
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int filter;
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};
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/*! bind dpi with service
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*/
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struct service {
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char *name;
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int dp_index;
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};
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/*! Number of available plugins */
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extern int numdpis;
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/*! Number of sockets being watched */
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extern int numsocks;
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/*! State information for each plugin. */
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extern struct dp *dpi_attr_list;
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/*! service served for each plugin */
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extern Dlist *services_list;
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/*! Set of sockets watched for connections */
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extern fd_set sock_set;
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/*! Set to 1 by the SIGCHLD handler dpi_sigchld */
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extern volatile sig_atomic_t caught_sigchld;
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void rm_dpi_sockets(struct dp *dpi_attr_list, int numdpis);
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void cleanup(void);
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void free_dpi_attr(struct dp *dpi_attr);
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void free_plugin_list(struct dp **dpi_attr_list_ptr, int numdpis);
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void free_services_list(Dlist *s_list);
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enum file_type get_file_type(char *file_name);
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int get_dpi_attr(char *dpi_dir, char *service, struct dp *dpi_attr);
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int register_service(struct dp *dpi_attr, char *service);
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int register_all(struct dp **attlist);
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int fill_services_list(struct dp *attlist, int numdpis, Dlist **services_list);
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int init_ids_srs_socket(void);
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int init_dpi_socket(struct dp *dpi_attr);
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int init_all_dpi_sockets(struct dp *dpi_attr_list);
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void dpi_sigchld(int sig);
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void handle_sigchld(void);
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void est_dpi_sigchld(void);
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void est_dpi_terminator(void);
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void stop_active_dpis(struct dp *dpi_attr_list, int numdpis);
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void ignore_dpi_sockets(struct dp *dpi_attr_list, int numdpis);
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int register_all_cmd(void);
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char *get_message(int sock, char *dpi_tag);
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int service_match(const struct service *A, const char *B);
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void send_sockport(int sock_fd, char * dpi_tag, struct dp *dpi_attr_list);
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#ifdef __cplusplus
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}
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#endif
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#endif
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