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/*
* Ouroboros - Copyright (C) 2016 - 2021
*
* IPC process structure
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_IPCPD_IPCP_H
#define OUROBOROS_IPCPD_IPCP_H
#include <ouroboros/hash.h>
#include <ouroboros/ipcp.h>
#include <ouroboros/list.h>
#include <ouroboros/sockets.h>
#include <ouroboros/tpm.h>
#include <pthread.h>
#include <time.h>
enum ipcp_state {
IPCP_NULL = 0,
IPCP_INIT,
IPCP_OPERATIONAL,
IPCP_SHUTDOWN
};
struct ipcp_ops {
int (* ipcp_bootstrap)(const struct ipcp_config * conf);
int (* ipcp_enroll)(const char * dst,
struct layer_info * info);
int (* ipcp_connect)(const char * dst,
const char * component,
qosspec_t qs);
int (* ipcp_disconnect)(const char * dst,
const char * component);
int (* ipcp_reg)(const uint8_t * hash);
int (* ipcp_unreg)(const uint8_t * hash);
int (* ipcp_query)(const uint8_t * hash);
int (* ipcp_flow_alloc)(int fd,
const uint8_t * dst,
qosspec_t qs,
const void * data,
size_t len);
int (* ipcp_flow_join)(int fd,
const uint8_t * dst,
qosspec_t qs);
int (* ipcp_flow_alloc_resp)(int fd,
int response,
const void * data,
size_t len);
int (* ipcp_flow_dealloc)(int fd);
};
#define ipcp_dir_hash_strlen() (hash_len(ipcpi.dir_hash_algo) * 2)
#define ipcp_dir_hash_len() (hash_len(ipcpi.dir_hash_algo))
extern struct ipcp {
pid_t irmd_pid;
char * name;
enum ipcp_type type;
char * layer_name;
uint64_t dt_addr;
enum hash_algo dir_hash_algo;
struct ipcp_ops * ops;
int irmd_fd;
enum ipcp_state state;
pthread_rwlock_t state_lock;
pthread_mutex_t state_mtx;
pthread_cond_t state_cond;
int sockfd;
char * sock_path;
struct list_head cmds;
pthread_cond_t cmd_cond;
pthread_mutex_t cmd_lock;
int alloc_id;
pthread_cond_t alloc_cond;
pthread_mutex_t alloc_lock;
struct tpm * tpm;
pthread_t acceptor;
} ipcpi;
int ipcp_init(int argc,
char ** argv,
struct ipcp_ops * ops);
int ipcp_boot(void);
void ipcp_shutdown(void);
void ipcp_fini(void);
void ipcp_set_state(enum ipcp_state state);
enum ipcp_state ipcp_get_state(void);
int ipcp_wait_state(enum ipcp_state state,
const struct timespec * timeout);
int ipcp_parse_arg(int argc,
char * argv[]);
/* Helper functions for directory entries, could be moved */
uint8_t * ipcp_hash_dup(const uint8_t * hash);
void ipcp_hash_str(char buf[],
const uint8_t * hash);
/* Helper function to lock a thread to a core. */
void ipcp_lock_to_core(void);
#endif /* OUROBOROS_IPCPD_IPCP_H */
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