/*
* Copyright (c) 2013 Patrick Kelsey. All rights reserved.
* Copyright (C) 2017 THL A29 Limited, a Tencent company.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Derived in part from libuinet's uinet_host_interface.c.
*/
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <pthread.h>
#include <sched.h>
#include <time.h>
#include <openssl/rand.h>
#include <rte_malloc.h>
#include "ff_host_interface.h"
#include "ff_errno.h"
static struct timespec current_ts;
void *
ff_mmap(void *addr, uint64_t len, int prot, int flags, int fd, uint64_t offset)
{
//return rte_malloc("", len, 4096);
int host_prot;
int host_flags;
assert(ff_PROT_NONE == PROT_NONE);
host_prot = 0;
if ((prot & ff_PROT_READ) == ff_PROT_READ) host_prot |= PROT_READ;
if ((prot & ff_PROT_WRITE) == ff_PROT_WRITE) host_prot |= PROT_WRITE;
host_flags = 0;
if ((flags & ff_MAP_SHARED) == ff_MAP_SHARED) host_flags |= MAP_SHARED;
if ((flags & ff_MAP_PRIVATE) == ff_MAP_PRIVATE) host_flags |= MAP_PRIVATE;
if ((flags & ff_MAP_ANON) == ff_MAP_ANON) host_flags |= MAP_ANON;
void *ret = (mmap(addr, len, host_prot, host_flags, fd, offset));
if ((uint64_t)ret == -1) {
printf("fst mmap failed:%s\n", strerror(errno));
exit(1);
}
return ret;
}
int
ff_munmap(void *addr, uint64_t len)
{
//rte_free(addr);
//return 0;
return (munmap(addr, len));
}
void *
ff_malloc(uint64_t size)
{
//return rte_malloc("", size, 0);
return (malloc(size));
}
void *
ff_calloc(uint64_t number, uint64_t size)
{
//return rte_calloc("", number, size, 0);
return (calloc(number, size));
}
void *
ff_realloc(void *p, uint64_t size)
{
if (size) {
//return rte_realloc(p, size, 0);
return (realloc(p, size));
}
return (p);
}
void
ff_free(void *p)
{
//rte_free(p);
free(p);
}
void panic(const char *, ...) __attribute__((__noreturn__));
const char *panicstr = NULL;
void
panic(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
abort();
}
void
ff_clock_gettime(int id, int64_t *sec, long *nsec)
{
struct timespec ts;
int host_id;
int rv;
switch (id) {
case ff_CLOCK_REALTIME:
host_id = CLOCK_REALTIME;
break;
#ifdef CLOCK_MONOTONIC_FAST
case ff_CLOCK_MONOTONIC_FAST:
host_id = CLOCK_MONOTONIC_FAST;
break;
#endif
case ff_CLOCK_MONOTONIC:
default:
host_id = CLOCK_MONOTONIC;
break;
}
rv = clock_gettime(host_id, &ts);
assert(0 == rv);
*sec = (int64_t)ts.tv_sec;
*nsec = (long)ts.tv_nsec;
}
uint64_t
ff_clock_gettime_ns(int id)
{
int64_t sec;
long nsec;
ff_clock_gettime(id, &sec, &nsec);
return ((uint64_t)sec * ff_NSEC_PER_SEC + nsec);
}
void
ff_get_current_time(time_t *sec, long *nsec)
{
if (sec) {
*sec = current_ts.tv_sec;
}
if (nsec) {
*nsec = current_ts.tv_nsec;
}
}
void
ff_update_current_ts()
{
int rv = clock_gettime(CLOCK_REALTIME, ¤t_ts);
assert(rv == 0);
}
void
ff_arc4rand(void *ptr, unsigned int len, int reseed)
{
(void)reseed;
RAND_bytes(ptr, len);
}
uint32_t
ff_arc4random(void)
{
uint32_t ret;
ff_arc4rand(&ret, sizeof ret, 0);
return ret;
}
int ff_setenv(const char *name, const char *value)
{
return setenv(name, value, 1);
}
char *ff_getenv(const char *name)
{
return getenv(name);
}
void ff_os_errno(int error)
{
switch (error) {
case ff_EPERM: errno = EPERM; break;
case ff_ENOENT: errno = ENOENT; break;
case ff_ESRCH: errno = ESRCH; break;
case ff_EINTR: errno = EINTR; break;
case ff_EIO: errno = EIO; break;
case ff_ENXIO: errno = ENXIO; break;
case ff_E2BIG: errno = E2BIG; break;
case ff_ENOEXEC: errno = ENOEXEC; break;
case ff_EBADF: errno = EBADF; break;
case ff_ECHILD: errno = ECHILD; break;
case ff_EDEADLK: errno = EDEADLK; break;
case ff_ENOMEM: errno = ENOMEM; break;
case ff_EACCES: errno = EACCES; break;
case ff_EFAULT: errno = EFAULT; break;
case ff_ENOTBLK: errno = ENOTBLK; break;
case ff_EBUSY: errno = EBUSY; break;
case ff_EEXIST: errno = EEXIST; break;
case ff_EXDEV: errno = EXDEV; break;
case ff_ENODEV: errno = ENODEV; break;
case ff_ENOTDIR: errno = ENOTDIR; break;
case ff_EISDIR: errno = EISDIR; break;
case ff_EINVAL: errno = EINVAL; break;
case ff_ENFILE: errno = ENFILE; break;
case ff_EMFILE: errno = EMFILE; break;
case ff_ENOTTY: errno = ENOTTY; break;
case ff_ETXTBSY: errno = ETXTBSY; break;
case ff_EFBIG: errno = EFBIG; break;
case ff_ENOSPC: errno = ENOSPC; break;
case ff_ESPIPE: errno = ESPIPE; break;
case ff_EROFS: errno = EROFS; break;
case ff_EMLINK: errno = EMLINK; break;
case ff_EPIPE: errno = EPIPE; break;
case ff_EDOM: errno = EDOM; break;
case ff_ERANGE: errno = ERANGE; break;
/* case ff_EAGAIN: same as EWOULDBLOCK */
case ff_EWOULDBLOCK: errno = EWOULDBLOCK; break;
case ff_EINPROGRESS: errno = EINPROGRESS; break;
case ff_EALREADY: errno = EALREADY; break;
case ff_ENOTSOCK: errno = ENOTSOCK; break;
case ff_EDESTADDRREQ: errno = EDESTADDRREQ; break;
case ff_EMSGSIZE: errno = EMSGSIZE; break;
case ff_EPROTOTYPE: errno = EPROTOTYPE; break;
case ff_ENOPROTOOPT: errno = ENOPROTOOPT; break;
case ff_EPROTONOSUPPORT: errno = EPROTONOSUPPORT; break;
case ff_ESOCKTNOSUPPORT: errno = ESOCKTNOSUPPORT; break;
/* case ff_EOPNOTSUPP: same as ENOTSUP */
case ff_ENOTSUP: errno = ENOTSUP; break;
case ff_EPFNOSUPPORT: errno = EPFNOSUPPORT; break;
case ff_EAFNOSUPPORT: errno = EAFNOSUPPORT; break;
case ff_EADDRINUSE: errno = EADDRINUSE; break;
case ff_EADDRNOTAVAIL: errno = EADDRNOTAVAIL; break;
case ff_ENETDOWN: errno = ENETDOWN; break;
case ff_ENETUNREACH: errno = ENETUNREACH; break;
case ff_ENETRESET: errno = ENETRESET; break;
case ff_ECONNABORTED: errno = ECONNABORTED; break;
case ff_ECONNRESET: errno = ECONNRESET; break;
case ff_ENOBUFS: errno = ENOBUFS; break;
case ff_EISCONN: errno = EISCONN; break;
case ff_ENOTCONN: errno = ENOTCONN; break;
case ff_ESHUTDOWN: errno = ESHUTDOWN; break;
case ff_ETOOMANYREFS: errno = ETOOMANYREFS; break;
case ff_ETIMEDOUT: errno = ETIMEDOUT; break;
case ff_ECONNREFUSED: errno = ECONNREFUSED; break;
case ff_ELOOP: errno = ELOOP; break;
case ff_ENAMETOOLONG: errno = ENAMETOOLONG; break;
case ff_EHOSTDOWN: errno = EHOSTDOWN; break;
case ff_EHOSTUNREACH: errno = EHOSTUNREACH; break;
case ff_ENOTEMPTY: errno = ENOTEMPTY; break;
case ff_EUSERS: errno = EUSERS; break;
case ff_EDQUOT: errno = EDQUOT; break;
case ff_ESTALE: errno = ESTALE; break;
case ff_EREMOTE: errno = EREMOTE; break;
case ff_ENOLCK: errno = ENOLCK; break;
case ff_ENOSYS: errno = ENOSYS; break;
case ff_EIDRM: errno = EIDRM; break;
case ff_ENOMSG: errno = ENOMSG; break;
case ff_EOVERFLOW: errno = EOVERFLOW; break;
case ff_ECANCELED: errno = ECANCELED; break;
case ff_EILSEQ: errno = EILSEQ; break;
case ff_EBADMSG: errno = EBADMSG; break;
case ff_EMULTIHOP: errno = EMULTIHOP; break;
case ff_ENOLINK: errno = ENOLINK; break;
case ff_EPROTO: errno = EPROTO; break;
default: errno = error; break;
}
}