2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
19 #define __need_IOV_MAX
20 #include <bits/stdio_lim.h>
21 #include <netinet/tcp.h>
23 #include <vppinfra/types.h>
24 #include <vppinfra/time.h>
25 #include <vppinfra/hash.h>
26 #include <vppinfra/pool.h>
28 #include <vcl/vcom_socket.h>
29 #include <vcl/vcom_socket_wrapper.h>
32 #include <vcl/vppcom.h>
35 #define IOV_MAX __IOV_MAX
39 * VCOM_SOCKET Private definitions and functions.
42 typedef struct vcom_socket_main_t_
45 clib_time_t clib_time;
48 /* vcom_socket pool */
49 vcom_socket_t *vsockets;
51 /* Hash table for socketidx to fd mapping */
55 vcom_epoll_t *vepolls;
57 /* Hash table for epollidx to epfd mapping */
58 uword *epollidx_by_epfd;
60 /* common epitem poll for all epfd */
61 /* TBD: epitem poll per epfd */
62 /* vcom_epitem pool */
63 vcom_epitem_t *vepitems;
65 /* Hash table for epitemidx to epfdfd mapping */
66 uword *epitemidx_by_epfdfd;
68 /* Hash table - key:epfd, value:vec of epitemidx */
69 uword *epitemidxs_by_epfd;
70 /* Hash table - key:fd, value:vec of epitemidx */
71 uword *epitemidxs_by_fd;
75 vcom_socket_main_t vcom_socket_main;
79 vcom_socket_open_socket (int domain, int type, int protocol)
83 /* handle domains implemented by vpp */
88 /* get socket type and
89 * handle the socket types supported by vpp */
90 switch (type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK))
94 /* the type argument serves a second purpose,
95 * in addition to specifying a socket type,
96 * it may include the bitwise OR of any of
97 * SOCK_NONBLOCK and SOCK_CLOEXEC, to modify
98 * the behavior of socket. */
99 rv = libc_socket (domain, type, protocol);
118 vcom_socket_open_epoll (int flags)
126 if (flags && (flags & ~EPOLL_CLOEXEC))
131 /* flags can be either zero or EPOLL_CLOEXEC */
132 rv = libc_epoll_create1 (flags);
140 vcom_socket_close_socket (int fd)
144 rv = libc_close (fd);
152 vcom_socket_close_epoll (int epfd)
156 rv = libc_close (epfd);
164 * Public API functions
169 vcom_socket_is_vcom_fd (int fd)
171 vcom_socket_main_t *vsm = &vcom_socket_main;
173 vcom_socket_t *vsock;
175 p = hash_get (vsm->sockidx_by_fd, fd);
179 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
180 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
187 vcom_socket_is_vcom_epfd (int epfd)
189 vcom_socket_main_t *vsm = &vcom_socket_main;
191 vcom_epoll_t *vepoll;
193 p = hash_get (vsm->epollidx_by_epfd, epfd);
197 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
198 if (vepoll && vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
205 vcom_socket_get_sid (int fd)
207 vcom_socket_main_t *vsm = &vcom_socket_main;
209 vcom_socket_t *vsock;
211 p = hash_get (vsm->sockidx_by_fd, fd);
215 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
216 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
219 return INVALID_SESSION_ID;
223 vcom_socket_get_vep_idx (int epfd)
225 vcom_socket_main_t *vsm = &vcom_socket_main;
227 vcom_epoll_t *vepoll;
229 p = hash_get (vsm->epollidx_by_epfd, epfd);
233 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
234 if (vepoll && vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
235 return vepoll->vep_idx;
237 return INVALID_VEP_IDX;
241 vcom_socket_get_sid_and_vsock (int fd, vcom_socket_t ** vsockp)
243 vcom_socket_main_t *vsm = &vcom_socket_main;
245 vcom_socket_t *vsock;
247 p = hash_get (vsm->sockidx_by_fd, fd);
251 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
252 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
258 return INVALID_SESSION_ID;
262 vcom_socket_get_vep_idx_and_vepoll (int epfd, vcom_epoll_t ** vepollp)
264 vcom_socket_main_t *vsm = &vcom_socket_main;
266 vcom_epoll_t *vepoll;
268 p = hash_get (vsm->epollidx_by_epfd, epfd);
272 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
273 if (vepoll && vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
276 return vepoll->vep_idx;
279 return INVALID_VEP_IDX;
284 vcom_socket_close_vepoll (int epfd)
287 vcom_socket_main_t *vsm = &vcom_socket_main;
289 vcom_epoll_t *vepoll;
291 p = hash_get (vsm->epollidx_by_epfd, epfd);
295 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
299 if (vepoll->type != EPOLL_TYPE_VPPCOM_BOUND)
316 rv = vppcom_session_close (vepoll->vep_idx);
317 rv = vcom_socket_close_epoll (vepoll->epfd);
319 vepoll_init (vepoll);
320 hash_unset (vsm->epollidx_by_epfd, epfd);
321 pool_put (vsm->vepolls, vepoll);
327 vcom_socket_close_vsock (int fd)
330 vcom_socket_main_t *vsm = &vcom_socket_main;
332 vcom_socket_t *vsock;
334 vcom_epitem_t *vepitem;
336 i32 *vepitemidxs = 0;
337 i32 *vepitemidxs_var = 0;
339 p = hash_get (vsm->sockidx_by_fd, fd);
343 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
347 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
350 rv = vppcom_session_close (vsock->sid);
351 rv = vcom_socket_close_socket (vsock->fd);
353 vsocket_init (vsock);
354 hash_unset (vsm->sockidx_by_fd, fd);
355 pool_put (vsm->vsockets, vsock);
359 * Before calling close(), user should remove
360 * this fd from the epoll-set of all epoll instances,
361 * otherwise resource(epitems) leaks ensues.
365 * 00. close all epoll instances that are marked as "close"
366 * of which this fd is the "last" remaining member.
367 * 01. epitems associated with this fd are intentionally
368 * not removed, see NOTE: above.
371 /* does this fd participate in epoll */
372 p = hash_get (vsm->epitemidxs_by_fd, fd);
375 vepitemidxs = *(i32 **) p;
376 vec_foreach (vepitemidxs_var, vepitemidxs)
378 vepitem = pool_elt_at_index (vsm->vepitems, vepitemidxs_var[0]);
379 if (vepitem && vepitem->fd == fd &&
380 vepitem->type == FD_TYPE_VCOM_SOCKET)
383 vcom_epoll_t *vepoll;
385 vcom_socket_get_vep_idx_and_vepoll (vepitem->epfd,
391 if (vepoll->count == 1)
394 * force count to zero and
395 * close this epoll instance
398 vcom_socket_close_vepoll (vepoll->epfd);
415 vcom_socket_close (int __fd)
419 if (vcom_socket_is_vcom_fd (__fd))
421 rv = vcom_socket_close_vsock (__fd);
423 else if (vcom_socket_is_vcom_epfd (__fd))
425 rv = vcom_socket_close_vepoll (__fd);
436 vcom_socket_read (int __fd, void *__buf, size_t __nbytes)
439 vcom_socket_main_t *vsm = &vcom_socket_main;
441 vcom_socket_t *vsock;
443 p = hash_get (vsm->sockidx_by_fd, __fd);
447 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
451 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
459 rv = vcom_fcntl (__fd, F_GETFL, 0);
467 if (!(rv & O_NONBLOCK))
471 rv = vppcom_session_read (vsock->sid, __buf, __nbytes);
473 /* coverity[CONSTANT_EXPRESSION_RESULT] */
474 while (rv == -EAGAIN || rv == -EWOULDBLOCK);
477 /* The file descriptor refers to a socket and has been
478 * marked nonblocking(O_NONBLOCK) and the read would
481 /* is non blocking */
482 rv = vppcom_session_read (vsock->sid, __buf, __nbytes);
487 vcom_socket_readv (int __fd, const struct iovec * __iov, int __iovcnt)
490 vcom_socket_main_t *vsm = &vcom_socket_main;
492 vcom_socket_t *vsock;
493 ssize_t total = 0, len = 0;
496 p = hash_get (vsm->sockidx_by_fd, __fd);
500 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
504 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
507 if (__iov == 0 || __iovcnt == 0 || __iovcnt > IOV_MAX)
511 for (i = 0; i < __iovcnt; ++i)
513 if (SSIZE_MAX - len < __iov[i].iov_len)
515 len += __iov[i].iov_len;
518 rv = vcom_fcntl (__fd, F_GETFL, 0);
525 if (!(rv & O_NONBLOCK))
529 for (i = 0; i < __iovcnt; ++i)
531 rv = vppcom_session_read (vsock->sid, __iov[i].iov_base,
538 if (rv < __iov[i].iov_len)
539 /* Read less than buffer provided, no point to continue */
544 /* coverity[CONSTANT_EXPRESSION_RESULT] */
545 while ((rv == -EAGAIN || rv == -EWOULDBLOCK) && total == 0);
549 /* is non blocking */
550 for (i = 0; i < __iovcnt; ++i)
552 rv = vppcom_session_read (vsock->sid, __iov[i].iov_base,
567 if (rv < __iov[i].iov_len)
568 /* Read less than buffer provided, no point to continue */
576 vcom_socket_write (int __fd, const void *__buf, size_t __n)
579 vcom_socket_main_t *vsm = &vcom_socket_main;
581 vcom_socket_t *vsock;
588 p = hash_get (vsm->sockidx_by_fd, __fd);
592 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
596 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
599 rv = vppcom_session_write (vsock->sid, (void *) __buf, __n);
604 vcom_socket_writev (int __fd, const struct iovec * __iov, int __iovcnt)
608 vcom_socket_main_t *vsm = &vcom_socket_main;
610 vcom_socket_t *vsock;
613 p = hash_get (vsm->sockidx_by_fd, __fd);
617 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
621 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
624 if (__iov == 0 || __iovcnt == 0 || __iovcnt > IOV_MAX)
627 for (i = 0; i < __iovcnt; ++i)
629 rv = vppcom_session_write (vsock->sid, __iov[i].iov_base,
645 * RETURN: 0 - invalid cmd
646 * 1 - cmd not handled by vcom and vppcom
647 * 2 - cmd handled by vcom socket resource
648 * 3 - cmd handled by vppcom
650 /* TBD: incomplete list of cmd */
652 vcom_socket_check_fcntl_cmd (int __cmd)
656 /*cmd not handled by vcom and vppcom */
659 case F_DUPFD_CLOEXEC:
662 /* cmd handled by vcom socket resource */
673 /* cmd handled by vcom and vppcom */
678 /* cmd not handled by vcom and vppcom */
686 vcom_session_fcntl_va (int __sid, int __cmd, va_list __ap)
688 int flags = va_arg (__ap, int);
689 int rv = -EOPNOTSUPP;
692 size = sizeof (flags);
693 if (__cmd == F_SETFL)
695 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_FLAGS, &flags, &size);
697 else if (__cmd == F_GETFL)
699 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_GET_FLAGS, &flags, &size);
708 vcom_socket_fcntl_va (int __fd, int __cmd, va_list __ap)
711 vcom_socket_main_t *vsm = &vcom_socket_main;
713 vcom_socket_t *vsock;
715 p = hash_get (vsm->sockidx_by_fd, __fd);
719 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
723 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
726 switch (vcom_socket_check_fcntl_cmd (__cmd))
732 /*cmd not handled by vcom and vppcom */
734 rv = libc_vfcntl (vsock->fd, __cmd, __ap);
736 /* cmd handled by vcom socket resource */
738 rv = libc_vfcntl (vsock->fd, __cmd, __ap);
740 /* cmd handled by vppcom */
742 rv = vcom_session_fcntl_va (vsock->sid, __cmd, __ap);
754 * RETURN: 0 - invalid cmd
755 * 1 - cmd not handled by vcom and vppcom
756 * 2 - cmd handled by vcom socket resource
757 * 3 - cmd handled by vppcom
760 vcom_socket_check_ioctl_cmd (unsigned long int __cmd)
766 /* cmd handled by vppcom */
771 /* cmd not handled by vcom and vppcom */
780 vcom_session_ioctl_va (int __sid, int __cmd, va_list __ap)
787 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_GET_NREAD, 0, 0);
792 u32 flags = va_arg (__ap, int) ? O_NONBLOCK : 0;
793 u32 len = sizeof (flags);
794 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_FLAGS, &flags, &len);
806 vcom_socket_ioctl_va (int __fd, unsigned long int __cmd, va_list __ap)
809 vcom_socket_main_t *vsm = &vcom_socket_main;
811 vcom_socket_t *vsock;
813 p = hash_get (vsm->sockidx_by_fd, __fd);
817 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
821 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
824 switch (vcom_socket_check_ioctl_cmd (__cmd))
826 /* Not supported cmd */
831 /* cmd not handled by vcom and vppcom */
833 rv = libc_vioctl (vsock->fd, __cmd, __ap);
836 /* cmd handled by vcom socket resource */
838 rv = libc_vioctl (vsock->fd, __cmd, __ap);
841 /* cmd handled by vppcom */
843 rv = vcom_session_ioctl_va (vsock->sid, __cmd, __ap);
855 vcom_socket_fds_2_sid_fds (
858 fd_set * __restrict vcom_rd_sid_fds,
859 fd_set * __restrict vcom_wr_sid_fds,
860 fd_set * __restrict vcom_ex_sid_fds,
863 fd_set * __restrict vcom_readfds,
864 fd_set * __restrict vcom_writefds,
865 fd_set * __restrict vcom_exceptfds)
870 /* invalid max_sid is -1 */
875 * set sid in sid sets corresponding to fd's in fd sets
876 * compute nsid and vcom_nsid_fds from sid sets
879 for (fd = 0; fd < vcom_nfds; fd++)
886 if ((F) && (S) && FD_ISSET (fd, (F))) \
888 sid = vcom_socket_get_sid (fd); \
889 if (sid != INVALID_SESSION_ID) \
906 _(vcom_rd_sid_fds, vcom_readfds);
907 _(vcom_wr_sid_fds, vcom_writefds);
908 _(vcom_ex_sid_fds, vcom_exceptfds);
912 *vcom_nsid_fds = max_sid != -1 ? max_sid + 1 : 0;
920 * PRE: 00. sid sets were derived from fd sets
921 * 01. sid sets were updated with sids that actually changed
923 * 02. fd sets still has watched fds
925 * This function will modify in place fd sets to indicate which fd's
926 * actually changed status(inferred from sid sets)
929 vcom_socket_sid_fds_2_fds (
933 fd_set * __restrict vcom_readfds,
934 fd_set * __restrict vcom_writefds,
935 fd_set * __restrict vcom_exceptfds,
938 fd_set * __restrict vcom_rd_sid_fds,
939 fd_set * __restrict vcom_wr_sid_fds,
940 fd_set * __restrict vcom_ex_sid_fds)
945 /* invalid max_fd is -1 */
951 * modify in place fd sets to indicate which fd's
952 * actually changed status(inferred from sid sets)
954 for (fd = 0; fd < vcom_nfds; fd++)
961 if ((F) && (S) && FD_ISSET (fd, (F))) \
963 sid = vcom_socket_get_sid (fd); \
964 if (sid != INVALID_SESSION_ID) \
966 if (!FD_ISSET (sid, (S))) \
979 _(vcom_rd_sid_fds, vcom_readfds);
980 _(vcom_wr_sid_fds, vcom_writefds);
981 _(vcom_ex_sid_fds, vcom_exceptfds);
986 * compute nfd and new_vcom_nfds from fd sets
988 for (fd = 0; fd < vcom_nfds; fd++)
992 if ((F) && FD_ISSET (fd, (F))) \
1009 *new_vcom_nfds = max_fd != -1 ? max_fd + 1 : 0;
1018 * vom_socket_select is always called with
1019 * timeout->tv_sec and timeout->tv_usec set to zero.
1020 * hence vppcom_select return immediately.
1023 * TBD: do{body;} while(timeout conditional); timeout loop
1026 vcom_socket_select (int vcom_nfds, fd_set * __restrict vcom_readfds,
1027 fd_set * __restrict vcom_writefds,
1028 fd_set * __restrict vcom_exceptfds,
1029 struct timeval *__restrict timeout)
1031 static unsigned long vcom_nsid_fds = 0;
1035 int new_vcom_nfds = 0;
1036 int new_vcom_nfd = 0;
1039 fd_set vcom_rd_sid_fds;
1040 fd_set vcom_wr_sid_fds;
1041 fd_set vcom_ex_sid_fds;
1043 /* in seconds eg. 3.123456789 seconds */
1044 double time_to_wait = (double) 0;
1046 /* validate inputs */
1052 /* convert timeval timeout to double time_to_wait */
1055 if (timeout->tv_sec == 0 && timeout->tv_usec == 0)
1057 /* polling: vppcom_select returns immediately */
1058 time_to_wait = (double) 0;
1062 /*TBD: use timeval api */
1063 time_to_wait = (double) timeout->tv_sec +
1064 (double) timeout->tv_usec / (double) 1000000 +
1065 (double) (timeout->tv_usec % 1000000) / (double) 1000000;
1071 * no timeout: vppcom_select can block indefinitely
1072 * waiting for a file descriptor to become ready
1074 /* set to a phantom value */
1078 /* zero the sid_sets */
1090 _(&vcom_rd_sid_fds, vcom_readfds);
1091 _(&vcom_wr_sid_fds, vcom_writefds);
1092 _(&vcom_ex_sid_fds, vcom_exceptfds);
1097 if (time_to_wait > 0)
1101 "[%d] vcom_socket_select called to "
1102 "emulate delay_ns()!\n", getpid ());
1103 rv = vppcom_select (0, NULL, NULL, NULL, time_to_wait);
1107 fprintf (stderr, "[%d] vcom_socket_select called vcom_nfds = 0 "
1108 "and invalid time_to_wait (%f)!\n",
1109 getpid (), time_to_wait);
1114 /* populate read, write and except sid_sets */
1115 vcom_nsid = vcom_socket_fds_2_sid_fds (
1117 vcom_readfds || vcom_writefds
1118 || vcom_exceptfds ? (int *)
1119 &vcom_nsid_fds : NULL,
1120 vcom_readfds ? &vcom_rd_sid_fds :
1122 vcom_writefds ? &vcom_wr_sid_fds :
1124 vcom_exceptfds ? &vcom_ex_sid_fds :
1129 vcom_writefds, vcom_exceptfds);
1135 rv = vppcom_select (vcom_nsid_fds,
1136 vcom_readfds ? (unsigned long *) &vcom_rd_sid_fds :
1138 vcom_writefds ? (unsigned long *) &vcom_wr_sid_fds :
1140 vcom_exceptfds ? (unsigned long *) &vcom_ex_sid_fds :
1141 NULL, time_to_wait);
1143 fprintf (stderr, "[%d] called vppcom_select(): "
1144 "'%04d'='%04d'\n", getpid (), rv, (int) vcom_nsid_fds);
1146 /* check if any file descriptors changed status */
1150 * on exit, sets are modified in place to indicate which
1151 * file descriptors actually changed status
1155 * comply with pre-condition
1156 * do not clear vcom fd sets befor calling
1157 * vcom_socket_sid_fds_2_fds
1159 new_vcom_nfd = vcom_socket_sid_fds_2_fds (
1169 &vcom_rd_sid_fds : NULL,
1171 &vcom_wr_sid_fds : NULL,
1173 &vcom_ex_sid_fds : NULL);
1174 if (new_vcom_nfd < 0)
1176 return new_vcom_nfd;
1178 if (new_vcom_nfds < 0)
1189 vcom_socket_socket (int __domain, int __type, int __protocol)
1192 vcom_socket_main_t *vsm = &vcom_socket_main;
1193 vcom_socket_t *vsock;
1198 u8 is_nonblocking = __type & SOCK_NONBLOCK ? 1 : 0;
1199 int type = __type & ~(SOCK_NONBLOCK | SOCK_CLOEXEC);
1201 fd = vcom_socket_open_socket (__domain, __type, __protocol);
1208 sid = vppcom_session_create (VPPCOM_VRF_DEFAULT,
1209 (type == SOCK_DGRAM) ?
1210 VPPCOM_PROTO_UDP : VPPCOM_PROTO_TCP,
1215 goto out_close_socket;
1218 pool_get (vsm->vsockets, vsock);
1219 vsocket_init (vsock);
1221 sockidx = vsock - vsm->vsockets;
1222 hash_set (vsm->sockidx_by_fd, fd, sockidx);
1224 vsocket_set (vsock, fd, sid, SOCKET_TYPE_VPPCOM_BOUND);
1228 vcom_socket_close_socket (fd);
1234 vcom_socket_socketpair (int __domain, int __type, int __protocol,
1242 vcom_socket_bind (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len)
1245 vcom_socket_main_t *vsm = &vcom_socket_main;
1247 vcom_socket_t *vsock;
1251 p = hash_get (vsm->sockidx_by_fd, __fd);
1255 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1259 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1267 ep.vrf = VPPCOM_VRF_DEFAULT;
1268 switch (__addr->sa_family)
1271 if (__len != sizeof (struct sockaddr_in))
1275 ep.is_ip4 = VPPCOM_IS_IP4;
1276 ep.ip = (u8 *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1277 ep.port = (u16) ((const struct sockaddr_in *) __addr)->sin_port;
1281 if (__len != sizeof (struct sockaddr_in6))
1285 ep.is_ip4 = VPPCOM_IS_IP6;
1286 ep.ip = (u8 *) & ((const struct sockaddr_in6 *) __addr)->sin6_addr;
1287 ep.port = (u16) ((const struct sockaddr_in6 *) __addr)->sin6_port;
1295 rv = vppcom_session_bind (vsock->sid, &ep);
1300 vcom_session_getsockname (int sid, vppcom_endpt_t * ep)
1303 uint32_t size = sizeof (*ep);
1305 rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_LCL_ADDR, ep, &size);
1310 vcom_socket_getsockname (int __fd, __SOCKADDR_ARG __addr,
1311 socklen_t * __restrict __len)
1314 vcom_socket_main_t *vsm = &vcom_socket_main;
1316 vcom_socket_t *vsock;
1319 p = hash_get (vsm->sockidx_by_fd, __fd);
1323 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1327 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1330 if (!__addr || !__len)
1334 ep.ip = (u8 *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1335 rv = vcom_session_getsockname (vsock->sid, &ep);
1338 if (ep.vrf == VPPCOM_VRF_DEFAULT)
1340 __addr->sa_family = ep.is_ip4 == VPPCOM_IS_IP4 ? AF_INET : AF_INET6;
1341 switch (__addr->sa_family)
1344 ((struct sockaddr_in *) __addr)->sin_port = ep.port;
1345 *__len = sizeof (struct sockaddr_in);
1349 ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
1350 *__len = sizeof (struct sockaddr_in6);
1363 vcom_socket_connect (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len)
1366 vcom_socket_main_t *vsm = &vcom_socket_main;
1368 vcom_socket_t *vsock;
1372 p = hash_get (vsm->sockidx_by_fd, __fd);
1375 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1377 ep.vrf = VPPCOM_VRF_DEFAULT;
1378 switch (__addr->sa_family)
1381 ep.is_ip4 = VPPCOM_IS_IP4;
1383 (uint8_t *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1385 (uint16_t) ((const struct sockaddr_in *) __addr)->sin_port;
1389 ep.is_ip4 = VPPCOM_IS_IP6;
1391 (uint8_t *) & ((const struct sockaddr_in6 *) __addr)->sin6_addr;
1393 (uint16_t) ((const struct sockaddr_in6 *) __addr)->sin6_port;
1401 rv = vppcom_session_connect (vsock->sid, &ep);
1407 vcom_session_getpeername (int sid, vppcom_endpt_t * ep)
1410 uint32_t size = sizeof (*ep);
1412 rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_PEER_ADDR, ep, &size);
1417 vcom_socket_getpeername (int __fd, __SOCKADDR_ARG __addr,
1418 socklen_t * __restrict __len)
1421 vcom_socket_main_t *vsm = &vcom_socket_main;
1423 vcom_socket_t *vsock;
1426 p = hash_get (vsm->sockidx_by_fd, __fd);
1430 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1434 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1437 if (!__addr || !__len)
1441 ep.ip = (u8 *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1442 rv = vcom_session_getpeername (vsock->sid, &ep);
1445 if (ep.vrf == VPPCOM_VRF_DEFAULT)
1447 __addr->sa_family = ep.is_ip4 == VPPCOM_IS_IP4 ? AF_INET : AF_INET6;
1448 switch (__addr->sa_family)
1451 ((struct sockaddr_in *) __addr)->sin_port = ep.port;
1452 *__len = sizeof (struct sockaddr_in);
1456 ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
1457 *__len = sizeof (struct sockaddr_in6);
1470 vcom_socket_send (int __fd, const void *__buf, size_t __n, int __flags)
1472 return vcom_socket_sendto (__fd, __buf, __n, __flags, NULL, 0);
1476 vcom_socket_recv (int __fd, void *__buf, size_t __n, int __flags)
1479 rv = vcom_socket_recvfrom (__fd, __buf, __n, __flags, NULL, 0);
1484 * RETURN 1 if __fd is (SOCK_STREAM, SOCK_SEQPACKET),
1488 vcom_socket_is_connection_mode_socket (int __fd)
1491 /* TBD define new vppcom api */
1492 vcom_socket_main_t *vsm = &vcom_socket_main;
1494 vcom_socket_t *vsock;
1499 p = hash_get (vsm->sockidx_by_fd, __fd);
1503 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1504 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
1506 optlen = sizeof (type);
1507 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_TYPE, &type, &optlen);
1512 /* get socket type */
1513 switch (type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK))
1516 case SOCK_SEQPACKET:
1529 static inline ssize_t
1530 vcom_session_sendto (int __sid, void *__buf, size_t __n,
1531 int __flags, __CONST_SOCKADDR_ARG __addr,
1532 socklen_t __addr_len)
1534 vppcom_endpt_t *ep = 0;
1540 ep->vrf = VPPCOM_VRF_DEFAULT;
1541 switch (__addr->sa_family)
1544 ep->is_ip4 = VPPCOM_IS_IP4;
1546 (uint8_t *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1548 (uint16_t) ((const struct sockaddr_in *) __addr)->sin_port;
1552 ep->is_ip4 = VPPCOM_IS_IP6;
1554 (uint8_t *) & ((const struct sockaddr_in6 *) __addr)->sin6_addr;
1556 (uint16_t) ((const struct sockaddr_in6 *) __addr)->sin6_port;
1560 return -EAFNOSUPPORT;
1564 return vppcom_session_sendto (__sid, __buf, __n, __flags, ep);;
1568 vcom_socket_sendto (int __fd, const void *__buf, size_t __n,
1569 int __flags, __CONST_SOCKADDR_ARG __addr,
1570 socklen_t __addr_len)
1572 vcom_socket_main_t *vsm = &vcom_socket_main;
1574 vcom_socket_t *vsock;
1581 p = hash_get (vsm->sockidx_by_fd, __fd);
1585 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1589 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1594 if (vcom_socket_is_connection_mode_socket (__fd))
1596 /* ignore __addr and _addr_len */
1597 /* and EISCONN may be returned when they are not NULL and 0 */
1598 if ((__addr != NULL) || (__addr_len != 0))
1607 return -EDESTADDRREQ;
1609 /* not a vppcom supported address family */
1610 if (!((__addr->sa_family == AF_INET) ||
1611 (__addr->sa_family == AF_INET6)))
1617 return vcom_session_sendto (vsock->sid, (void *) __buf, (int) __n,
1618 __flags, __addr, __addr_len);
1621 static inline ssize_t
1622 vcom_session_recvfrom (int __sid, void *__restrict __buf, size_t __n,
1623 int __flags, __SOCKADDR_ARG __addr,
1624 socklen_t * __restrict __addr_len)
1628 u8 src_addr[sizeof (struct sockaddr_in6)];
1633 rv = vppcom_session_recvfrom (__sid, __buf, __n, __flags, &ep);
1637 if (ep.vrf == VPPCOM_VRF_DEFAULT)
1640 ep.is_ip4 == VPPCOM_IS_IP4 ? AF_INET : AF_INET6;
1641 switch (__addr->sa_family)
1644 ((struct sockaddr_in *) __addr)->sin_port = ep.port;
1645 memcpy (&((struct sockaddr_in *) __addr)->sin_addr,
1646 src_addr, sizeof (struct in_addr));
1648 *__addr_len = sizeof (struct sockaddr_in);
1652 ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
1653 memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
1654 __in6_u.__u6_addr8, src_addr,
1655 sizeof (struct in6_addr));
1656 *__addr_len = sizeof (struct sockaddr_in6);
1669 rv = vppcom_session_recvfrom (__sid, __buf, __n, __flags, NULL);
1675 vcom_socket_recvfrom (int __fd, void *__restrict __buf, size_t __n,
1676 int __flags, __SOCKADDR_ARG __addr,
1677 socklen_t * __restrict __addr_len)
1680 vcom_socket_main_t *vsm = &vcom_socket_main;
1682 vcom_socket_t *vsock;
1684 if (__addr && !__addr_len)
1687 p = hash_get (vsm->sockidx_by_fd, __fd);
1691 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1695 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1700 rv = vcom_session_recvfrom (vsock->sid, __buf, __n,
1701 __flags, __addr, __addr_len);
1705 /* TBD: move it to vppcom */
1706 static inline ssize_t
1707 vcom_session_sendmsg (int __sid, const struct msghdr *__message, int __flags)
1710 /* rv = vppcom_session_write (__sid, (void *) __message->__buf,
1716 vcom_socket_sendmsg (int __fd, const struct msghdr * __message, int __flags)
1719 vcom_socket_main_t *vsm = &vcom_socket_main;
1721 vcom_socket_t *vsock;
1723 p = hash_get (vsm->sockidx_by_fd, __fd);
1727 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1731 if (vcom_socket_is_connection_mode_socket (__fd))
1733 /* ignore __addr and _addr_len */
1734 /* and EISCONN may be returned when they are not NULL and 0 */
1735 if ((__message->msg_name != NULL) || (__message->msg_namelen != 0))
1742 /* TBD: validate __message->msg_name and __message->msg_namelen
1743 * and return -EINVAL on validation error
1748 rv = vcom_session_sendmsg (vsock->sid, __message, __flags);
1755 vcom_socket_sendmmsg (int __fd, struct mmsghdr *__vmessages,
1756 unsigned int __vlen, int __flags)
1759 /* TBD: define a new vppcom api */
1764 /* TBD: move it to vppcom */
1765 static inline ssize_t
1766 vcom_session_recvmsg (int __sid, struct msghdr *__message, int __flags)
1769 /* rv = vppcom_session_read (__sid, (void *) __message->__buf,
1776 vcom_socket_recvmsg (int __fd, struct msghdr * __message, int __flags)
1779 vcom_socket_main_t *vsm = &vcom_socket_main;
1781 vcom_socket_t *vsock;
1783 p = hash_get (vsm->sockidx_by_fd, __fd);
1787 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1791 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1799 /* validate __flags */
1801 rv = vcom_session_recvmsg (vsock->sid, __message, __flags);
1807 vcom_socket_recvmmsg (int __fd, struct mmsghdr *__vmessages,
1808 unsigned int __vlen, int __flags,
1809 struct timespec *__tmo)
1811 /* TBD: define a new vppcom api */
1816 /* TBD: move it to vppcom */
1818 vcom_session_get_sockopt (int __sid, int __level, int __optname,
1819 void *__restrict __optval,
1820 socklen_t * __restrict __optlen)
1824 /* 1. for socket level options that are NOT socket attributes
1825 * and that has corresponding vpp options get from vppcom */
1832 *(int *) __optval = 0;
1840 /* 2. unhandled options */
1845 vcom_socket_getsockopt (int __fd, int __level, int __optname,
1846 void *__restrict __optval,
1847 socklen_t * __restrict __optlen)
1850 vcom_socket_main_t *vsm = &vcom_socket_main;
1852 vcom_socket_t *vsock;
1854 if (!__optval || !__optlen)
1857 p = hash_get (vsm->sockidx_by_fd, __fd);
1861 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1865 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1874 * 1. for socket level options that are socket attributes,
1875 * get from libc_getsockopt.
1876 * 2. for socket level options that are NOT socket
1877 * attributes and that has corresponding vpp options
1879 * 3. for socket level options unimplemented
1880 * return -ENOPROTOOPT */
1898 case SO_TIMESTAMPNS:
1899 case SO_TIMESTAMPING:
1912 case SO_WIFI_STATUS:
1915 case SO_BINDTODEVICE:
1917 case SO_LOCK_FILTER:
1918 case SO_BPF_EXTENSIONS:
1919 case SO_SELECT_ERR_QUEUE:
1920 #ifdef CONFIG_NET_RX_BUSY_POLL
1923 case SO_MAX_PACING_RATE:
1924 #ifdef SO_INCOMING_CPU
1925 case SO_INCOMING_CPU:
1927 rv = libc_getsockopt (__fd, __level, __optname, __optval, __optlen);
1936 rv = vcom_session_get_sockopt (vsock->sid, __level, __optname,
1937 __optval, __optlen);
1941 /* We implement the SO_SNDLOWAT etc to not be settable
1944 return -ENOPROTOOPT;
1950 /* 1. handle options that are NOT socket level options,
1951 * but have corresponding vpp otions. */
1952 rv = vcom_session_get_sockopt (vsock->sid, __level, __optname,
1953 __optval, __optlen);
1960 /* TBD: move it to vppcom */
1962 vcom_session_setsockopt (int __sid, int __level, int __optname,
1963 const void *__optval, socklen_t __optlen)
1965 int rv = -EOPNOTSUPP;
1974 vppcom_session_attr (__sid, VPPCOM_ATTR_SET_TCP_KEEPIDLE, 0, 0);
1978 vppcom_session_attr (__sid, VPPCOM_ATTR_SET_TCP_KEEPINTVL, 0, 0);
1988 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_V6ONLY, 0, 0);
1998 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_KEEPALIVE, 0, 0);
2001 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_REUSEADDR, 0, 0);
2004 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_BROADCAST, 0, 0);
2018 vcom_socket_setsockopt (int __fd, int __level, int __optname,
2019 const void *__optval, socklen_t __optlen)
2022 vcom_socket_main_t *vsm = &vcom_socket_main;
2024 vcom_socket_t *vsock;
2026 p = hash_get (vsm->sockidx_by_fd, __fd);
2030 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2034 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
2038 * Options without arguments
2041 if (__optname == SO_BINDTODEVICE)
2043 rv = libc_setsockopt (__fd, __level, __optname, __optval, __optlen);
2054 if (__optlen < sizeof (int))
2063 rv = vcom_session_setsockopt (vsock->sid, __level, __optname,
2064 __optval, __optlen);
2077 rv = vcom_session_setsockopt (vsock->sid, __level, __optname,
2078 __optval, __optlen);
2084 /* handle options at socket level */
2091 rv = vcom_session_setsockopt (vsock->sid, __level, __optname,
2092 __optval, __optlen);
2096 * 1. for socket level options that are socket attributes,
2097 * set it from libc_getsockopt
2098 * 2. for socket level options that are NOT socket
2099 * attributes and that has corresponding vpp options
2100 * set it from vppcom
2101 * 3. for socket level options unimplemented
2102 * return -ENOPROTOOPT */
2118 case SO_TIMESTAMPNS:
2119 case SO_TIMESTAMPING:
2132 case SO_WIFI_STATUS:
2136 * SO_BINDTODEVICE already handled as
2137 * "Options without arguments" */
2138 /* case SO_BINDTODEVICE: */
2140 case SO_LOCK_FILTER:
2141 case SO_BPF_EXTENSIONS:
2142 case SO_SELECT_ERR_QUEUE:
2143 #ifdef CONFIG_NET_RX_BUSY_POLL
2146 case SO_MAX_PACING_RATE:
2147 #ifdef SO_INCOMING_CPU
2148 case SO_INCOMING_CPU:
2150 rv = libc_setsockopt (__fd, __level, __optname, __optval, __optlen);
2159 /* We implement the SO_SNDLOWAT etc to not be settable
2162 return -ENOPROTOOPT;
2168 return -ENOPROTOOPT;
2175 vcom_socket_listen (int __fd, int __n)
2178 vcom_socket_main_t *vsm = &vcom_socket_main;
2180 vcom_socket_t *vsock;
2182 p = hash_get (vsm->sockidx_by_fd, __fd);
2185 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2187 /* TBD vppcom to accept __n parameter */
2188 rv = vppcom_session_listen (vsock->sid, __n);
2195 vcom_socket_connected_socket (int __fd, int __sid,
2197 int *__type, int *__protocol, int flags)
2200 vcom_socket_main_t *vsm = &vcom_socket_main;
2201 vcom_socket_t *vsock;
2208 optlen = sizeof (*__domain);
2209 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_DOMAIN, __domain, &optlen);
2216 optlen = sizeof (*__type);
2217 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_TYPE, __type, &optlen);
2224 optlen = sizeof (*__protocol);
2225 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_PROTOCOL, __protocol, &optlen);
2232 fd = vcom_socket_open_socket (*__domain, *__type | flags, *__protocol);
2239 pool_get (vsm->vsockets, vsock);
2240 vsocket_init (vsock);
2242 sockidx = vsock - vsm->vsockets;
2243 hash_set (vsm->sockidx_by_fd, fd, sockidx);
2245 vsocket_set (vsock, fd, __sid, SOCKET_TYPE_VPPCOM_BOUND);
2252 /* If flag is 0, then accept4() is the same as accept().
2253 * SOCK_NONBLOCK and SOCK_CLOEXEC can be bitwise ORed in flags
2256 vcom_socket_accept_flags (int __fd, __SOCKADDR_ARG __addr,
2257 socklen_t * __restrict __addr_len, int flags)
2260 vcom_socket_main_t *vsm = &vcom_socket_main;
2262 vcom_socket_t *vsock;
2270 uint8_t addr8[sizeof (struct in6_addr)];
2275 /* validate flags */
2282 * case SOCK_NONBLOCK:
2283 * case SOCK_CLOEXEC:
2284 * case SOCK_NONBLOCK | SOCK_CLOEXEC:
2291 /* flags can be 0 or can be bitwise OR
2292 * of any of SOCK_NONBLOCK and SOCK_CLOEXEC */
2295 fprintf (stderr, "[%d] vcom_socket_accept_flags: "
2296 "fd = %d, __addr = %p, __addr_len = %p flags = %d (0x%x)\n",
2297 getpid (), __fd, __addr, __addr_len, flags, flags);
2299 if (!(!flags || (flags & (SOCK_NONBLOCK | SOCK_CLOEXEC))))
2301 /* TBD: return proper error code */
2302 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2303 "invalid flags = %d (0x%x)\n", getpid (), flags, flags);
2308 /* TBD: return proper error code */
2310 if (!vcom_socket_is_connection_mode_socket (__fd))
2312 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2313 "connection mode socket support TBD!\n", getpid ());
2317 p = hash_get (vsm->sockidx_by_fd, __fd);
2320 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2323 rv = vcom_fcntl (vsock->fd, F_GETFL, 0);
2326 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2327 "vcom_fcnt() returned %d!\n", getpid (), rv);
2332 if (!(rv & O_NONBLOCK))
2334 /* socket is not marked as nonblocking
2335 * and no pending connections are present
2336 * on the queue, accept () blocks the caller
2337 * until a connection is present.
2339 rv = vppcom_session_accept (vsock->sid, &ep,
2340 -1.0 /* wait forever */ );
2344 /* The file descriptor refers to a socket and has been
2345 * marked nonblocking(O_NONBLOCK) and the accept would
2348 /* is non blocking */
2349 rv = vppcom_session_accept (vsock->sid, &ep, 0);
2350 /* If the socket is marked nonblocking and
2351 * no pending connections are present on the
2352 * queue, accept fails with the error
2353 * EAGAIN or EWOULDBLOCK
2355 if (rv == VPPCOM_ETIMEDOUT)
2362 if (rv != VPPCOM_EAGAIN)
2363 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2364 "vppcom_session_accept() returned %d!", getpid (), rv);
2370 /* create a new connected socket resource and set flags
2371 * on the new file descriptor.
2372 * update vsockets and sockidx_by_fd table
2374 fd = vcom_socket_connected_socket (__fd, sid,
2375 &domain, &type, &protocol, flags);
2378 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2379 "vcom_socket_connected_socket() returned %d!",
2386 /* TBD populate __addr and __addr_len */
2387 /* TBD: The returned address is truncated if the buffer
2388 * provided is too small, in this case, __addr_len will
2389 * return a value greater than was supplied to the call.*/
2394 /* TBD populate __addr and __addr_len */
2398 ((struct sockaddr_in *) __addr)->sin_family = AF_INET;
2399 ((struct sockaddr_in *) __addr)->sin_port = ep.port;
2400 memcpy (&((struct sockaddr_in *) __addr)->sin_addr,
2401 addr8, sizeof (struct in_addr));
2402 /* TBD: populate __addr_len */
2405 *__addr_len = sizeof (struct sockaddr_in);
2410 ((struct sockaddr_in6 *) __addr)->sin6_family = AF_INET6;
2411 ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
2412 memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
2413 __in6_u.__u6_addr8, addr8,
2414 sizeof (struct in6_addr));
2415 /* TBD: populate __addr_len */
2418 *__addr_len = sizeof (struct sockaddr_in6);
2423 return -EAFNOSUPPORT;
2431 ((struct sockaddr_in *) __addr)->sin_family = AF_INET;
2432 ((struct sockaddr_in *) __addr)->sin_port = ep.port;
2433 memcpy (&((struct sockaddr_in *) __addr)->sin_addr,
2434 addr8, sizeof (struct in_addr));
2435 /* TBD: populate __addr_len */
2438 *__addr_len = sizeof (struct sockaddr_in);
2443 ((struct sockaddr_in6 *) __addr)->sin6_family = AF_INET6;
2444 ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
2445 memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
2446 __in6_u.__u6_addr8, addr8,
2447 sizeof (struct in6_addr));
2448 /* TBD: populate __addr_len */
2451 *__addr_len = sizeof (struct sockaddr_in6);
2456 return -EAFNOSUPPORT;
2466 vcom_socket_accept (int __fd, __SOCKADDR_ARG __addr,
2467 socklen_t * __restrict __addr_len)
2469 /* set flags to 0 for accept() */
2470 return vcom_socket_accept_flags (__fd, __addr, __addr_len, 0);
2474 vcom_socket_accept4 (int __fd, __SOCKADDR_ARG __addr,
2475 socklen_t * __restrict __addr_len, int __flags)
2477 /* SOCK_NONBLOCK and SOCK_CLOEXEC can be bitwise ORed in flags */
2478 return vcom_socket_accept_flags (__fd, __addr, __addr_len, __flags);
2481 /* TBD: move it to vppcom */
2483 vcom_session_shutdown (int __fd, int __how)
2489 vcom_socket_shutdown (int __fd, int __how)
2492 vcom_socket_main_t *vsm = &vcom_socket_main;
2494 vcom_socket_t *vsock;
2496 p = hash_get (vsm->sockidx_by_fd, __fd);
2499 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2505 rv = vcom_session_shutdown (vsock->sid, __how);
2519 vcom_socket_epoll_create1 (int __flags)
2522 vcom_socket_main_t *vsm = &vcom_socket_main;
2523 vcom_epoll_t *vepoll;
2529 epfd = vcom_socket_open_epoll (__flags);
2536 vep_idx = vppcom_epoll_create ();
2540 goto out_close_epoll;
2543 pool_get (vsm->vepolls, vepoll);
2544 vepoll_init (vepoll);
2546 epollidx = vepoll - vsm->vepolls;
2547 hash_set (vsm->epollidx_by_epfd, epfd, epollidx);
2549 vepoll_set (vepoll, epfd, vep_idx, EPOLL_TYPE_VPPCOM_BOUND, __flags, 0, 0);
2554 vcom_socket_close_epoll (epfd);
2560 * PRE: vppcom_epoll_ctl() is successful
2561 * free_vepitem_on_del : 0 - no_pool_put, 1 - pool_put
2564 vcom_socket_ctl_vepitem (int __epfd, int __op, int __fd,
2565 struct epoll_event *__event,
2566 i32 vep_idx, vcom_epoll_t * vepoll,
2567 i32 vfd_id, void *vfd, vcom_fd_type_t type,
2568 int free_vepitem_on_del)
2571 vcom_socket_main_t *vsm = &vcom_socket_main;
2572 vcom_epitem_t *vepitem;
2574 vcom_epitem_key_t epfdfd = {.epfd = __epfd,.fd = __fd };
2578 i32 *vepitemidxs = 0;
2580 struct epoll_event revent = {.events = 0,.data.fd = INVALID_FD };
2584 /* perform control operations on the epoll instance */
2589 * supplied file descriptor is already
2590 * registered with this epoll instance
2592 /* vepitem exists */
2593 p = hash_get (vsm->epitemidx_by_epfdfd, epfdfd.key);
2600 /* add a new vepitem */
2601 pool_get (vsm->vepitems, vepitem);
2602 vepitem_init (vepitem);
2604 vepitemidx = vepitem - vsm->vepitems;
2605 hash_set (vsm->epitemidx_by_epfdfd, epfdfd.key, vepitemidx);
2606 vepitem_set (vepitem, __epfd, __fd, __fd, __fd, type, *__event, revent);
2608 /* update epitemidxs */
2610 p = hash_get (vsm->epitemidxs_by_epfd, __epfd);
2611 if (!p) /* not exist */
2614 vec_add1 (vepitemidxs, vepitemidx);
2615 hash_set (vsm->epitemidxs_by_epfd, __epfd, vepitemidxs);
2619 vepitemidxs = *(i32 **) p;
2620 vec_add1 (vepitemidxs, vepitemidx);
2621 hash_set3 (vsm->epitemidxs_by_epfd, __epfd, vepitemidxs, 0);
2623 /* update epitemidxs */
2625 p = hash_get (vsm->epitemidxs_by_fd, __fd);
2626 if (!p) /* not exist */
2629 vec_add1 (vepitemidxs, vepitemidx);
2630 hash_set (vsm->epitemidxs_by_fd, __fd, vepitemidxs);
2634 vepitemidxs = *(i32 **) p;
2635 vec_add1 (vepitemidxs, vepitemidx);
2636 hash_set3 (vsm->epitemidxs_by_fd, __fd, vepitemidxs, 0);
2639 /* increment vepoll fd count by 1 */
2648 * supplied file descriptor is not
2649 * registered with this epoll instance
2651 /* vepitem not exist */
2652 p = hash_get (vsm->epitemidx_by_epfdfd, epfdfd.key);
2658 vepitem = pool_elt_at_index (vsm->vepitems, p[0]);
2661 vepitem->event = *__event;
2662 vepitem->revent = revent;
2671 * supplied file descriptor is not
2672 * registered with this epoll instance
2674 /* vepitem not exist */
2675 p = hash_get (vsm->epitemidx_by_epfdfd, epfdfd.key);
2681 vepitemidx = *(i32 *) p;
2682 hash_unset (vsm->epitemidx_by_epfdfd, epfdfd.key);
2684 /* update epitemidxs */
2686 p = hash_get (vsm->epitemidxs_by_epfd, __epfd);
2687 if (!p) /* not exist */
2694 vepitemidxs = *(i32 **) p;
2695 vec_idx = vec_search (vepitemidxs, vepitemidx);
2698 vec_del1 (vepitemidxs, vec_idx);
2699 if (!vec_len (vepitemidxs))
2701 vec_free (vepitemidxs);
2702 hash_unset (vsm->epitemidxs_by_epfd, __epfd);
2707 /* update epitemidxs */
2709 p = hash_get (vsm->epitemidxs_by_fd, __fd);
2710 if (!p) /* not exist */
2717 vepitemidxs = *(i32 **) p;
2718 vec_idx = vec_search (vepitemidxs, vepitemidx);
2721 vec_del1 (vepitemidxs, vec_idx);
2722 if (!vec_len (vepitemidxs))
2724 vec_free (vepitemidxs);
2725 hash_unset (vsm->epitemidxs_by_fd, __fd);
2730 /* pool put vepitem */
2731 vepitem = pool_elt_at_index (vsm->vepitems, vepitemidx);
2732 if (free_vepitem_on_del)
2739 vepitem_init (vepitem);
2740 pool_put (vsm->vepitems, vepitem);
2746 vepitem_init (vepitem);
2750 /* decrement vepoll fd count by 1 */
2768 * PRE: 00. null pointer check on __event
2769 * 01. all other parameters are validated
2773 vcom_socket_epoll_ctl_internal (int __epfd, int __op, int __fd,
2774 struct epoll_event *__event,
2775 int free_vepitem_on_del)
2779 vcom_epoll_t *vepoll;
2780 vcom_socket_t *vfd_vsock;
2784 /* get vep_idx and vepoll */
2785 vep_idx = vcom_socket_get_vep_idx_and_vepoll (__epfd, &vepoll);
2786 if (vep_idx == INVALID_VEP_IDX)
2791 /* get vcom fd type, vfd_id and vfd */
2792 sid = vcom_socket_get_sid_and_vsock (__fd, &vfd_vsock);
2793 if ((sid != INVALID_SESSION_ID) &&
2794 vcom_socket_type_is_vppcom_bound (vfd_vsock->type))
2796 rv = vppcom_epoll_ctl (vep_idx, __op, sid, __event);
2797 if (rv == VPPCOM_OK)
2799 cnt = ((__op == EPOLL_CTL_ADD) ? 1 :
2800 (__op == EPOLL_CTL_DEL) ? -1 : 0);
2801 vepoll->count += cnt;
2802 vepoll->vcl_cnt += cnt;
2806 "[%d] vcom_socket_epoll_ctl_i: vppcom_epoll_ctl() "
2807 "returned %d\n\tepfd %d, vep_idx %d, fd %d sid %d op %d"
2808 "\n\tcount %d, vcl_cnt %d, libc_cnt %d\n",
2809 getpid (), rv, __epfd, vep_idx, __fd, sid, __op,
2810 vepoll->count, vepoll->vcl_cnt, vepoll->libc_cnt);
2814 rv = libc_epoll_ctl (__epfd, __op, __fd, __event);
2817 cnt = ((__op == EPOLL_CTL_ADD) ? 1 :
2818 (__op == EPOLL_CTL_DEL) ? -1 : 0);
2819 vepoll->count += cnt;
2820 vepoll->libc_cnt += cnt;
2824 "[%d] vcom_socket_epoll_ctl_i: libc_epoll_ctl() "
2825 "returned %d\n\tepfd %d, vep_idx %d, fd %d sid %d op %d"
2826 "\n\tcount %d, vcl_cnt %d, libc_cnt %d\n",
2827 getpid (), rv, __epfd, vep_idx, __fd, sid, __op,
2828 vepoll->count, vepoll->vcl_cnt, vepoll->libc_cnt);
2835 vcom_socket_epoll_ctl (int __epfd, int __op, int __fd,
2836 struct epoll_event *__event)
2840 rv = vcom_socket_epoll_ctl_internal (__epfd, __op, __fd, __event, 1);
2845 vcom_socket_epoll_ctl1 (int __epfd, int __op, int __fd,
2846 struct epoll_event *__event)
2850 rv = vcom_socket_epoll_ctl_internal (__epfd, __op, __fd, __event, 0);
2855 vcom_socket_epoll_pwait (int __epfd, struct epoll_event *__events,
2856 int __maxevents, int __timeout,
2857 const __sigset_t * __ss)
2859 vcom_socket_main_t *vsm = &vcom_socket_main;
2862 double time_to_wait = (double) 0;
2863 double timeout, now = 0;
2864 vcom_epoll_t *vepoll;
2866 static struct epoll_event *libc_ev = 0;
2868 /* validate __event */
2869 if (!__events || (__timeout < -1))
2871 fprintf (stderr, "[%d] ERROR: vcom_socket_epoll_pwait: "
2872 "Bad args __events %p, __timeout %d\n", getpid (),
2873 __events, __timeout);
2878 time_to_wait = ((__timeout >= 0) ? (double) __timeout / (double) 1000 : 0);
2880 vep_idx = vcom_socket_get_vep_idx_and_vepoll (__epfd, &vepoll);
2881 if (vep_idx == INVALID_VEP_IDX)
2883 fprintf (stderr, "[%d] ERROR: vcom_socket_epoll_pwait: "
2884 "Bad epoll fd %d\n", getpid (), __epfd);
2888 if (vepoll->count <= 0)
2890 fprintf (stderr, "[%d] ERROR: vcom_socket_epoll_pwait: No events"
2891 " in epfd!\n\tcount %d, vcl_cnt %d, libc_cnt %d\n",
2892 getpid (), vepoll->count, vepoll->vcl_cnt, vepoll->libc_cnt);
2897 if (vepoll->libc_cnt == 0)
2900 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: libc_cnt = 0, "
2901 "calling vppcom_epoll_wait() time_to_wait = %f\n",
2902 getpid (), time_to_wait);
2903 rv = vppcom_epoll_wait (vep_idx, __events, __maxevents, time_to_wait);
2905 else if (vepoll->vcl_cnt == 0)
2908 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: vcl_cnt = 0, "
2909 "calling libc_epoll_pwait()\n", getpid ());
2910 rv = libc_epoll_pwait (__epfd, __events, __maxevents, __timeout, __ss);
2915 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: vcl_cnt = %d, "
2916 "libc_cnt = %d -> mixed polling (time_to_wait = %f, "
2917 "__timeout = %d)\n",
2918 getpid (), vepoll->vcl_cnt, vepoll->libc_cnt,
2919 time_to_wait, __timeout);
2920 vec_validate (libc_ev, __maxevents);
2921 timeout = clib_time_now (&vsm->clib_time) + time_to_wait;
2924 rv = vppcom_epoll_wait (vep_idx, __events, __maxevents, 0);
2925 rv2 = libc_epoll_pwait (__epfd, libc_ev, __maxevents, 1, __ss);
2926 if (VCOM_DEBUG == 666)
2927 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: "
2928 "rv = %d, rv2 = %d, timeout = %f, now = %f\n",
2929 getpid (), rv, rv2, timeout, now);
2930 if ((rv > 0) || (rv2 > 0))
2933 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: "
2934 "rv = %d, rv2 = %d\n", getpid (), rv, rv2);
2935 int n = __maxevents - rv;
2936 n = rv2 <= n ? rv2 : n;
2937 rv = (rv > 0) ? rv : 0;
2939 clib_memcpy (&__events[rv], libc_ev, n * sizeof (*libc_ev));
2943 else if ((rv < 0) || (rv2 < 0))
2947 "[%d] ERROR: vppcom_epoll_wait() returned %d\n",
2952 "[%d] ERROR: libc_epoll_wait() failed, errno %d\n",
2954 rv = (rv < 0) ? rv : -errno;
2958 if (__timeout != -1)
2959 now = clib_time_now (&vsm->clib_time);
2961 while (now < timeout);
2965 vec_reset_length (libc_ev);
2970 vcom_pollfds_2_selectfds (
2972 struct pollfd *__fds, nfds_t __nfds,
2975 fd_set * __restrict vcom_readfds,
2976 fd_set * __restrict vcom_writefds,
2977 fd_set * __restrict vcom_exceptfds)
2981 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
2983 /* ignore negative fds */
2984 if (__fds[fds_idx].fd < 0)
2989 /* for POLLRDHUP, POLLERR, POLLHUP and POLLNVAL */
2990 FD_SET (__fds[fds_idx].fd, vcom_exceptfds);
2992 /* requested events */
2993 if (__fds[fds_idx].events)
2995 if (__fds[fds_idx].events & POLLIN)
2997 FD_SET (__fds[fds_idx].fd, vcom_readfds);
2999 if (__fds[fds_idx].events & POLLPRI)
3001 FD_SET (__fds[fds_idx].fd, vcom_readfds);
3003 if (__fds[fds_idx].events & POLLOUT)
3005 FD_SET (__fds[fds_idx].fd, vcom_writefds);
3007 #if defined __USE_XOPEN || defined __USE_XOPEN2K8
3008 if (__fds[fds_idx].events & POLLRDNORM)
3010 FD_SET (__fds[fds_idx].fd, vcom_readfds);
3012 if (__fds[fds_idx].events & POLLRDBAND)
3014 FD_SET (__fds[fds_idx].fd, vcom_readfds);
3016 if (__fds[fds_idx].events & POLLWRNORM)
3018 FD_SET (__fds[fds_idx].fd, vcom_writefds);
3020 if (__fds[fds_idx].events & POLLWRBAND)
3022 FD_SET (__fds[fds_idx].fd, vcom_writefds);
3026 } /* for (fds_idx = 0; fds_idx < __nfds; fds_idx++) */
3030 vcom_selectfds_2_pollfds (
3032 struct pollfd *__fds, nfds_t __nfds, int *nfd,
3035 fd_set * __restrict vcom_readfds,
3036 fd_set * __restrict vcom_writefds,
3037 fd_set * __restrict vcom_exceptfds)
3042 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3044 /* ignore negative fds */
3045 if (__fds[fds_idx].fd < 0)
3047 __fds[fds_idx].revents = 0;
3050 /* for POLLRDHUP, POLLERR, POLLHUP and POLLNVAL */
3051 if (FD_ISSET (__fds[fds_idx].fd, vcom_exceptfds))
3054 * TBD: for now any select exception
3055 * is flagged as POLLERR
3057 __fds[fds_idx].revents |= POLLERR;
3060 /* requested events */
3061 if (__fds[fds_idx].events & POLLIN)
3063 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3065 __fds[fds_idx].revents |= POLLIN;
3068 if (__fds[fds_idx].events & POLLPRI)
3070 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3072 __fds[fds_idx].revents |= POLLIN;
3075 if (__fds[fds_idx].events & POLLOUT)
3077 if (FD_ISSET (__fds[fds_idx].fd, vcom_writefds))
3079 __fds[fds_idx].revents |= POLLOUT;
3082 #if defined __USE_XOPEN || defined __USE_XOPEN2K8
3083 if (__fds[fds_idx].events & POLLRDNORM)
3085 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3087 __fds[fds_idx].revents |= POLLRDNORM;
3090 if (__fds[fds_idx].events & POLLRDBAND)
3092 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3094 __fds[fds_idx].revents |= POLLRDBAND;
3097 if (__fds[fds_idx].events & POLLWRNORM)
3099 if (FD_ISSET (__fds[fds_idx].fd, vcom_writefds))
3101 __fds[fds_idx].revents |= POLLWRNORM;
3104 if (__fds[fds_idx].events & POLLWRBAND)
3106 if (FD_ISSET (__fds[fds_idx].fd, vcom_writefds))
3108 __fds[fds_idx].revents |= POLLWRBAND;
3112 } /* for (fds_idx = 0; fds_idx < __nfds; fds_idx++) */
3116 * the number of structures which have nonzero revents fields
3117 * (in other words, those descriptors with events or
3121 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3123 /* ignore negative fds */
3124 if (__fds[fds_idx].fd < 0)
3129 if (__fds[fds_idx].revents)
3137 * PRE: parameters are validated,
3138 * vcom_socket_poll is always called with __timeout set to zero
3139 * hence returns immediately
3141 * ACTION: handle non negative validated vcom fds and ignore rest
3145 * implements vcom_socket_poll () interface
3147 * internally uses vcom_socket_select ()
3148 * to realize the behavior
3151 vcom_socket_poll_select_impl (struct pollfd *__fds, nfds_t __nfds,
3161 fd_set vcom_readfds;
3162 fd_set vcom_writefds;
3163 fd_set vcom_exceptfds;
3165 /* invalid max_vcom_fd is -1 */
3166 int max_vcom_fd = -1;
3168 /* __timeout is zero to get ready events and return immediately */
3169 struct timeval tv = {.tv_sec = 0,.tv_usec = 0 };
3171 /* validate __nfds from select perspective */
3172 if (__nfds > FD_SETSIZE)
3178 /* zero vcom fd sets */
3194 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3196 /* ignore negative fds */
3197 if (__fds[fds_idx].fd < 0)
3202 /* non negative validated vcom fds */
3203 if (__fds[fds_idx].fd > FD_SETSIZE)
3209 /* max_vcom_fd and vcom_nfd */
3210 if (__fds[fds_idx].fd > max_vcom_fd)
3212 /* requested events */
3213 if (__fds[fds_idx].events)
3215 max_vcom_fd = __fds[fds_idx].fd;
3221 vcom_nfds = max_vcom_fd != -1 ? max_vcom_fd + 1 : 0;
3229 vcom_pollfds_2_selectfds (
3234 &vcom_readfds, &vcom_writefds, &vcom_exceptfds);
3236 /* select on vcom fds */
3237 vcom_nfd = vcom_socket_select (vcom_nfds,
3239 &vcom_writefds, &vcom_exceptfds, &tv);
3242 "[%d] vcom_socket_select: "
3243 "'%04d'='%04d'\n", getpid (), vcom_nfd, vcom_nfds);
3251 vcom_selectfds_2_pollfds (
3253 __fds, __nfds, &nfd,
3256 &vcom_readfds, &vcom_writefds, &vcom_exceptfds);
3265 * TBD: remove this static function once vppcom
3266 * has an implementation in place
3271 vppcom_poll (struct pollfd *__fds, nfds_t __nfds, double time_to_wait)
3277 vcom_socket_poll_vppcom_impl (struct pollfd *__fds, nfds_t __nfds,
3282 /* in seconds eg. 3.123456789 seconds */
3283 double time_to_wait = (double) 0;
3288 /* replace vcom fd with session idx */
3289 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3291 /* ignore negative fds */
3292 if (__fds[fds_idx].fd < 0)
3297 /* non negative validated vcom fds */
3298 sid = vcom_socket_get_sid (__fds[fds_idx].fd);
3299 if (sid != INVALID_SESSION_ID)
3301 __fds[fds_idx].fd = sid;
3306 vep_idx = vcom_socket_get_vep_idx (__fds[fds_idx].fd);
3307 if (vep_idx != INVALID_VEP_IDX)
3309 __fds[fds_idx].fd = vep_idx;
3318 /* validate __timeout */
3321 time_to_wait = (double) __timeout / (double) 1000;
3323 else if (__timeout == 0)
3325 time_to_wait = (double) 0;
3332 return vppcom_poll (__fds, __nfds, time_to_wait);
3336 vcom_socket_poll (struct pollfd *__fds, nfds_t __nfds, int __timeout)
3338 /* select an implementation */
3340 /* return vcom_socket_poll_vppcom_impl (__fds, __nfds, __timeout); */
3341 return vcom_socket_poll_select_impl (__fds, __nfds, __timeout);
3346 vcom_socket_ppoll (struct pollfd *__fds, nfds_t __nfds,
3347 const struct timespec *__timeout, const __sigset_t * __ss)
3354 vcom_socket_main_init (void)
3356 vcom_socket_main_t *vsm = &vcom_socket_main;
3359 printf ("vcom_socket_main_init\n");
3363 /* TBD: define FD_MAXSIZE and use it here */
3364 pool_alloc (vsm->vsockets, FD_SETSIZE);
3365 vsm->sockidx_by_fd = hash_create (0, sizeof (i32));
3367 pool_alloc (vsm->vepolls, FD_SETSIZE);
3368 vsm->epollidx_by_epfd = hash_create (0, sizeof (i32));
3370 pool_alloc (vsm->vepitems, FD_SETSIZE);
3371 vsm->epitemidx_by_epfdfd = hash_create (0, sizeof (i32));
3373 vsm->epitemidxs_by_epfd = hash_create (0, sizeof (i32 *));
3374 vsm->epitemidxs_by_fd = hash_create (0, sizeof (i32 *));
3376 clib_time_init (&vsm->clib_time);
3386 vcom_socket_main_show (void)
3388 vcom_socket_main_t *vsm = &vcom_socket_main;
3389 vcom_socket_t *vsock;
3391 vcom_epoll_t *vepoll;
3393 vcom_epitem_t *vepitem;
3397 i32 *vepitemidxs, *vepitemidxs_var;
3401 /* from active list of vsockets show vsock */
3404 pool_foreach (vsock, vsm->vsockets,
3407 "fd='%04d', sid='%08x',type='%-30s'\n",
3408 vsock->fd, vsock->sid,
3409 vcom_socket_type_str (vsock->type));
3413 /* from active list of vepolls, show vepoll */
3416 pool_foreach (vepoll, vsm->vepolls,
3419 "epfd='%04d', vep_idx='%08x', "
3421 "flags='%d', count='%d', close='%d'\n",
3422 vepoll->epfd, vepoll->vep_idx,
3423 vcom_socket_epoll_type_str (vepoll->type),
3424 vepoll->flags, vepoll->count, vepoll->close);
3428 /* from active list of vepitems, show vepitem */
3431 pool_foreach (vepitem, vsm->vepitems,
3434 "epfd='%04d', fd='%04d', "
3435 "next_fd='%04d', prev_fd='%04d', "
3437 "events='%04x', revents='%04x'\n",
3438 vepitem->epfd, vepitem->fd,
3439 vepitem->next_fd, vepitem->prev_fd,
3440 vcom_socket_vcom_fd_type_str (vepitem->type),
3441 vepitem->event.events, vepitem->revent.events);
3446 /* show epitemidxs for epfd */
3448 hash_foreach (epfd, vepitemidxs,
3449 vsm->epitemidxs_by_epfd,
3451 printf("\n[ '%04d': ", epfd);
3452 vec_foreach (vepitemidxs_var,vepitemidxs)
3454 printf("'%04d' ", (int)vepitemidxs_var[0]);
3460 /* show epitemidxs for fd */
3462 hash_foreach (fd, vepitemidxs,
3463 vsm->epitemidxs_by_fd,
3465 printf("\n{ '%04d': ", fd);
3466 vec_foreach (vepitemidxs_var,vepitemidxs)
3468 printf("'%04d' ", (int)vepitemidxs_var[0]);
3478 vcom_socket_main_destroy (void)
3480 vcom_socket_main_t *vsm = &vcom_socket_main;
3481 vcom_socket_t *vsock;
3483 vcom_epoll_t *vepoll;
3485 vcom_epitem_t *vepitem;
3493 printf ("vcom_socket_main_destroy\n");
3499 * from active list of vepitems,
3500 * remove all "vepitem" elements from the pool in a safe way
3504 pool_flush (vepitem, vsm->vepitems,
3506 if ((vepitem->type == FD_TYPE_EPOLL) ||
3507 (vepitem->type == FD_TYPE_VCOM_SOCKET))
3509 vcom_socket_epoll_ctl1 (vepitem->epfd, EPOLL_CTL_DEL,
3511 vepitem_init (vepitem);
3516 pool_free (vsm->vepitems);
3517 hash_free (vsm->epitemidx_by_epfdfd);
3519 /* free vepitemidxs for each epfd */
3521 hash_foreach (epfd, vepitemidxs,
3522 vsm->epitemidxs_by_epfd,
3524 vec_free (vepitemidxs);
3527 hash_free (vsm->epitemidxs_by_epfd);
3529 /* free vepitemidxs for each fd */
3531 hash_foreach (fd, vepitemidxs,
3532 vsm->epitemidxs_by_fd,
3534 vec_free (vepitemidxs);
3537 hash_free (vsm->epitemidxs_by_fd);
3541 * from active list of vsockets,
3542 * close socket and vppcom session
3546 pool_foreach (vsock, vsm->vsockets,
3548 if (vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
3550 vppcom_session_close (vsock->sid);
3551 vcom_socket_close_socket (vsock->fd);
3552 vsocket_init (vsock);
3558 * return vsocket element to the pool
3562 pool_flush (vsock, vsm->vsockets,
3564 // vsocket_init(vsock);
3569 pool_free (vsm->vsockets);
3570 hash_free (vsm->sockidx_by_fd);
3573 * from active list of vepolls,
3574 * close epoll and vppcom_epoll
3578 pool_foreach (vepoll, vsm->vepolls,
3580 if (vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
3582 vppcom_session_close (vepoll->vep_idx);
3583 vcom_socket_close_epoll (vepoll->epfd); /* TBD: */
3584 vepoll_init (vepoll);
3590 * return vepoll element to the pool
3594 pool_flush (vepoll, vsm->vepolls,
3596 // vepoll_init(vepoll);
3601 pool_free (vsm->vepolls);
3602 hash_free (vsm->epollidx_by_epfd);
3610 * fd.io coding-style-patch-verification: ON
3613 * eval: (c-set-style "gnu")