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;
76 vcom_socket_main_t vcom_socket_main;
80 vcom_socket_open_socket (int domain, int type, int protocol)
84 /* handle domains implemented by vpp */
89 /* get socket type and
90 * handle the socket types supported by vpp */
91 switch (type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK))
95 /* the type argument serves a second purpose,
96 * in addition to specifying a socket type,
97 * it may include the bitwise OR of any of
98 * SOCK_NONBLOCK and SOCK_CLOEXEC, to modify
99 * the behavior of socket. */
100 rv = libc_socket (domain, type, protocol);
119 vcom_socket_open_epoll (int flags)
127 if (flags && (flags & ~EPOLL_CLOEXEC))
132 /* flags can be either zero or EPOLL_CLOEXEC */
133 rv = libc_epoll_create1 (flags);
141 vcom_socket_close_socket (int fd)
145 rv = libc_close (fd);
153 vcom_socket_close_epoll (int epfd)
157 rv = libc_close (epfd);
165 * Public API functions
170 vcom_socket_is_vcom_fd (int fd)
172 vcom_socket_main_t *vsm = &vcom_socket_main;
174 vcom_socket_t *vsock;
176 p = hash_get (vsm->sockidx_by_fd, fd);
180 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
181 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
188 vcom_socket_is_vcom_epfd (int epfd)
190 vcom_socket_main_t *vsm = &vcom_socket_main;
192 vcom_epoll_t *vepoll;
194 p = hash_get (vsm->epollidx_by_epfd, epfd);
198 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
199 if (vepoll && vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
206 vcom_socket_get_sid (int fd)
208 vcom_socket_main_t *vsm = &vcom_socket_main;
210 vcom_socket_t *vsock;
212 p = hash_get (vsm->sockidx_by_fd, fd);
216 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
217 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
220 return INVALID_SESSION_ID;
224 vcom_socket_get_vep_idx (int epfd)
226 vcom_socket_main_t *vsm = &vcom_socket_main;
228 vcom_epoll_t *vepoll;
230 p = hash_get (vsm->epollidx_by_epfd, epfd);
234 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
235 if (vepoll && vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
236 return vepoll->vep_idx;
238 return INVALID_VEP_IDX;
242 vcom_socket_get_sid_and_vsock (int fd, vcom_socket_t ** vsockp)
244 vcom_socket_main_t *vsm = &vcom_socket_main;
246 vcom_socket_t *vsock;
248 p = hash_get (vsm->sockidx_by_fd, fd);
252 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
253 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
259 return INVALID_SESSION_ID;
263 vcom_socket_get_vep_idx_and_vepoll (int epfd, vcom_epoll_t ** vepollp)
265 vcom_socket_main_t *vsm = &vcom_socket_main;
267 vcom_epoll_t *vepoll;
269 p = hash_get (vsm->epollidx_by_epfd, epfd);
273 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
274 if (vepoll && vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
277 return vepoll->vep_idx;
280 return INVALID_VEP_IDX;
285 vcom_socket_close_vepoll (int epfd)
288 vcom_socket_main_t *vsm = &vcom_socket_main;
290 vcom_epoll_t *vepoll;
292 p = hash_get (vsm->epollidx_by_epfd, epfd);
296 vepoll = pool_elt_at_index (vsm->vepolls, p[0]);
300 if (vepoll->type != EPOLL_TYPE_VPPCOM_BOUND)
317 rv = vppcom_session_close (vepoll->vep_idx);
318 rv = vcom_socket_close_epoll (vepoll->epfd);
320 vepoll_init (vepoll);
321 hash_unset (vsm->epollidx_by_epfd, epfd);
322 pool_put (vsm->vepolls, vepoll);
328 vcom_socket_close_vsock (int fd)
331 vcom_socket_main_t *vsm = &vcom_socket_main;
333 vcom_socket_t *vsock;
335 vcom_epitem_t *vepitem;
337 i32 *vepitemidxs = 0;
338 i32 *vepitemidxs_var = 0;
340 p = hash_get (vsm->sockidx_by_fd, fd);
344 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
348 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
351 rv = vppcom_session_close (vsock->sid);
352 rv = vcom_socket_close_socket (vsock->fd);
354 vsocket_init (vsock);
355 hash_unset (vsm->sockidx_by_fd, fd);
356 pool_put (vsm->vsockets, vsock);
360 * Before calling close(), user should remove
361 * this fd from the epoll-set of all epoll instances,
362 * otherwise resource(epitems) leaks ensues.
366 * 00. close all epoll instances that are marked as "close"
367 * of which this fd is the "last" remaining member.
368 * 01. epitems associated with this fd are intentionally
369 * not removed, see NOTE: above.
372 /* does this fd participate in epoll */
373 p = hash_get (vsm->epitemidxs_by_fd, fd);
376 vepitemidxs = *(i32 **) p;
377 vec_foreach (vepitemidxs_var, vepitemidxs)
379 vepitem = pool_elt_at_index (vsm->vepitems, vepitemidxs_var[0]);
380 if (vepitem && vepitem->fd == fd &&
381 vepitem->type == FD_TYPE_VCOM_SOCKET)
384 vcom_epoll_t *vepoll;
386 vcom_socket_get_vep_idx_and_vepoll (vepitem->epfd,
392 if (vepoll->count == 1)
395 * force count to zero and
396 * close this epoll instance
399 vcom_socket_close_vepoll (vepoll->epfd);
416 vcom_socket_close (int __fd)
420 if (vcom_socket_is_vcom_fd (__fd))
422 rv = vcom_socket_close_vsock (__fd);
424 else if (vcom_socket_is_vcom_epfd (__fd))
426 rv = vcom_socket_close_vepoll (__fd);
437 vcom_socket_read (int __fd, void *__buf, size_t __nbytes)
440 vcom_socket_main_t *vsm = &vcom_socket_main;
442 vcom_socket_t *vsock;
444 p = hash_get (vsm->sockidx_by_fd, __fd);
448 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
452 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
460 rv = vcom_fcntl (__fd, F_GETFL, 0);
468 if (!(rv & O_NONBLOCK))
472 rv = vppcom_session_read (vsock->sid, __buf, __nbytes);
474 /* coverity[CONSTANT_EXPRESSION_RESULT] */
475 while (rv == -EAGAIN || rv == -EWOULDBLOCK);
478 /* The file descriptor refers to a socket and has been
479 * marked nonblocking(O_NONBLOCK) and the read would
482 /* is non blocking */
483 rv = vppcom_session_read (vsock->sid, __buf, __nbytes);
488 vcom_socket_readv (int __fd, const struct iovec * __iov, int __iovcnt)
491 vcom_socket_main_t *vsm = &vcom_socket_main;
493 vcom_socket_t *vsock;
494 ssize_t total = 0, len = 0;
497 p = hash_get (vsm->sockidx_by_fd, __fd);
501 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
505 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
508 if (__iov == 0 || __iovcnt == 0 || __iovcnt > IOV_MAX)
512 for (i = 0; i < __iovcnt; ++i)
514 if (SSIZE_MAX - len < __iov[i].iov_len)
516 len += __iov[i].iov_len;
519 rv = vcom_fcntl (__fd, F_GETFL, 0);
526 if (!(rv & O_NONBLOCK))
530 for (i = 0; i < __iovcnt; ++i)
532 rv = vppcom_session_read (vsock->sid, __iov[i].iov_base,
539 if (rv < __iov[i].iov_len)
540 /* Read less than buffer provided, no point to continue */
545 /* coverity[CONSTANT_EXPRESSION_RESULT] */
546 while ((rv == -EAGAIN || rv == -EWOULDBLOCK) && total == 0);
550 /* is non blocking */
551 for (i = 0; i < __iovcnt; ++i)
553 rv = vppcom_session_read (vsock->sid, __iov[i].iov_base,
568 if (rv < __iov[i].iov_len)
569 /* Read less than buffer provided, no point to continue */
577 vcom_socket_write (int __fd, const void *__buf, size_t __n)
580 vcom_socket_main_t *vsm = &vcom_socket_main;
582 vcom_socket_t *vsock;
589 p = hash_get (vsm->sockidx_by_fd, __fd);
593 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
597 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
600 rv = vppcom_session_write (vsock->sid, (void *) __buf, __n);
605 vcom_socket_writev (int __fd, const struct iovec * __iov, int __iovcnt)
609 vcom_socket_main_t *vsm = &vcom_socket_main;
611 vcom_socket_t *vsock;
614 p = hash_get (vsm->sockidx_by_fd, __fd);
618 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
622 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
625 if (__iov == 0 || __iovcnt == 0 || __iovcnt > IOV_MAX)
628 for (i = 0; i < __iovcnt; ++i)
630 rv = vppcom_session_write (vsock->sid, __iov[i].iov_base,
646 * RETURN: 0 - invalid cmd
647 * 1 - cmd not handled by vcom and vppcom
648 * 2 - cmd handled by vcom socket resource
649 * 3 - cmd handled by vppcom
651 /* TBD: incomplete list of cmd */
653 vcom_socket_check_fcntl_cmd (int __cmd)
657 /*cmd not handled by vcom and vppcom */
660 case F_DUPFD_CLOEXEC:
663 /* cmd handled by vcom socket resource */
674 /* cmd handled by vcom and vppcom */
679 /* cmd not handled by vcom and vppcom */
687 vcom_session_fcntl_va (int __sid, int __cmd, va_list __ap)
689 int flags = va_arg (__ap, int);
690 int rv = -EOPNOTSUPP;
693 size = sizeof (flags);
694 if (__cmd == F_SETFL)
696 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_FLAGS, &flags, &size);
698 else if (__cmd == F_GETFL)
700 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_GET_FLAGS, &flags, &size);
709 vcom_socket_fcntl_va (int __fd, int __cmd, va_list __ap)
712 vcom_socket_main_t *vsm = &vcom_socket_main;
714 vcom_socket_t *vsock;
716 p = hash_get (vsm->sockidx_by_fd, __fd);
720 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
724 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
727 switch (vcom_socket_check_fcntl_cmd (__cmd))
733 /*cmd not handled by vcom and vppcom */
735 rv = libc_vfcntl (vsock->fd, __cmd, __ap);
737 /* cmd handled by vcom socket resource */
739 rv = libc_vfcntl (vsock->fd, __cmd, __ap);
741 /* cmd handled by vppcom */
743 rv = vcom_session_fcntl_va (vsock->sid, __cmd, __ap);
755 * RETURN: 0 - invalid cmd
756 * 1 - cmd not handled by vcom and vppcom
757 * 2 - cmd handled by vcom socket resource
758 * 3 - cmd handled by vppcom
761 vcom_socket_check_ioctl_cmd (unsigned long int __cmd)
767 /* cmd handled by vppcom */
772 /* cmd not handled by vcom and vppcom */
781 vcom_session_ioctl_va (int __sid, int __cmd, va_list __ap)
788 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_GET_NREAD, 0, 0);
793 u32 flags = va_arg (__ap, int) ? O_NONBLOCK : 0;
794 u32 len = sizeof (flags);
795 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_FLAGS, &flags, &len);
807 vcom_socket_ioctl_va (int __fd, unsigned long int __cmd, va_list __ap)
810 vcom_socket_main_t *vsm = &vcom_socket_main;
812 vcom_socket_t *vsock;
814 p = hash_get (vsm->sockidx_by_fd, __fd);
818 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
822 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
825 switch (vcom_socket_check_ioctl_cmd (__cmd))
827 /* Not supported cmd */
832 /* cmd not handled by vcom and vppcom */
834 rv = libc_vioctl (vsock->fd, __cmd, __ap);
837 /* cmd handled by vcom socket resource */
839 rv = libc_vioctl (vsock->fd, __cmd, __ap);
842 /* cmd handled by vppcom */
844 rv = vcom_session_ioctl_va (vsock->sid, __cmd, __ap);
856 vcom_socket_fds_2_sid_fds (
859 fd_set * __restrict vcom_rd_sid_fds,
860 fd_set * __restrict vcom_wr_sid_fds,
861 fd_set * __restrict vcom_ex_sid_fds,
864 fd_set * __restrict vcom_readfds,
865 fd_set * __restrict vcom_writefds,
866 fd_set * __restrict vcom_exceptfds)
871 /* invalid max_sid is -1 */
876 * set sid in sid sets corresponding to fd's in fd sets
877 * compute nsid and vcom_nsid_fds from sid sets
880 for (fd = 0; fd < vcom_nfds; fd++)
887 if ((F) && (S) && FD_ISSET (fd, (F))) \
889 sid = vcom_socket_get_sid (fd); \
890 if (sid != INVALID_SESSION_ID) \
907 _(vcom_rd_sid_fds, vcom_readfds);
908 _(vcom_wr_sid_fds, vcom_writefds);
909 _(vcom_ex_sid_fds, vcom_exceptfds);
913 *vcom_nsid_fds = max_sid != -1 ? max_sid + 1 : 0;
921 * PRE: 00. sid sets were derived from fd sets
922 * 01. sid sets were updated with sids that actually changed
924 * 02. fd sets still has watched fds
926 * This function will modify in place fd sets to indicate which fd's
927 * actually changed status(inferred from sid sets)
930 vcom_socket_sid_fds_2_fds (
934 fd_set * __restrict vcom_readfds,
935 fd_set * __restrict vcom_writefds,
936 fd_set * __restrict vcom_exceptfds,
939 fd_set * __restrict vcom_rd_sid_fds,
940 fd_set * __restrict vcom_wr_sid_fds,
941 fd_set * __restrict vcom_ex_sid_fds)
946 /* invalid max_fd is -1 */
952 * modify in place fd sets to indicate which fd's
953 * actually changed status(inferred from sid sets)
955 for (fd = 0; fd < vcom_nfds; fd++)
962 if ((F) && (S) && FD_ISSET (fd, (F))) \
964 sid = vcom_socket_get_sid (fd); \
965 if (sid != INVALID_SESSION_ID) \
967 if (!FD_ISSET (sid, (S))) \
980 _(vcom_rd_sid_fds, vcom_readfds);
981 _(vcom_wr_sid_fds, vcom_writefds);
982 _(vcom_ex_sid_fds, vcom_exceptfds);
987 * compute nfd and new_vcom_nfds from fd sets
989 for (fd = 0; fd < vcom_nfds; fd++)
993 if ((F) && FD_ISSET (fd, (F))) \
1010 *new_vcom_nfds = max_fd != -1 ? max_fd + 1 : 0;
1019 * vom_socket_select is always called with
1020 * timeout->tv_sec and timeout->tv_usec set to zero.
1021 * hence vppcom_select return immediately.
1024 * TBD: do{body;} while(timeout conditional); timeout loop
1027 vcom_socket_select (int vcom_nfds, fd_set * __restrict vcom_readfds,
1028 fd_set * __restrict vcom_writefds,
1029 fd_set * __restrict vcom_exceptfds,
1030 struct timeval *__restrict timeout)
1032 static unsigned long vcom_nsid_fds = 0;
1036 int new_vcom_nfds = 0;
1037 int new_vcom_nfd = 0;
1040 fd_set vcom_rd_sid_fds;
1041 fd_set vcom_wr_sid_fds;
1042 fd_set vcom_ex_sid_fds;
1044 /* in seconds eg. 3.123456789 seconds */
1045 double time_to_wait = (double) 0;
1047 /* validate inputs */
1053 /* convert timeval timeout to double time_to_wait */
1056 if (timeout->tv_sec == 0 && timeout->tv_usec == 0)
1058 /* polling: vppcom_select returns immediately */
1059 time_to_wait = (double) 0;
1063 /*TBD: use timeval api */
1064 time_to_wait = (double) timeout->tv_sec +
1065 (double) timeout->tv_usec / (double) 1000000 +
1066 (double) (timeout->tv_usec % 1000000) / (double) 1000000;
1072 * no timeout: vppcom_select can block indefinitely
1073 * waiting for a file descriptor to become ready
1075 /* set to a phantom value */
1079 /* zero the sid_sets */
1091 _(&vcom_rd_sid_fds, vcom_readfds);
1092 _(&vcom_wr_sid_fds, vcom_writefds);
1093 _(&vcom_ex_sid_fds, vcom_exceptfds);
1098 if (time_to_wait > 0)
1102 "[%d] vcom_socket_select called to "
1103 "emulate delay_ns()!\n", getpid ());
1104 rv = vppcom_select (0, NULL, NULL, NULL, time_to_wait);
1108 fprintf (stderr, "[%d] vcom_socket_select called vcom_nfds = 0 "
1109 "and invalid time_to_wait (%f)!\n",
1110 getpid (), time_to_wait);
1115 /* populate read, write and except sid_sets */
1116 vcom_nsid = vcom_socket_fds_2_sid_fds (
1118 vcom_readfds || vcom_writefds
1119 || vcom_exceptfds ? (int *)
1120 &vcom_nsid_fds : NULL,
1121 vcom_readfds ? &vcom_rd_sid_fds :
1123 vcom_writefds ? &vcom_wr_sid_fds :
1125 vcom_exceptfds ? &vcom_ex_sid_fds :
1130 vcom_writefds, vcom_exceptfds);
1136 rv = vppcom_select (vcom_nsid_fds,
1137 vcom_readfds ? (unsigned long *) &vcom_rd_sid_fds :
1139 vcom_writefds ? (unsigned long *) &vcom_wr_sid_fds :
1141 vcom_exceptfds ? (unsigned long *) &vcom_ex_sid_fds :
1142 NULL, time_to_wait);
1144 fprintf (stderr, "[%d] called vppcom_select(): "
1145 "'%04d'='%04d'\n", getpid (), rv, (int) vcom_nsid_fds);
1147 /* check if any file descriptors changed status */
1151 * on exit, sets are modified in place to indicate which
1152 * file descriptors actually changed status
1156 * comply with pre-condition
1157 * do not clear vcom fd sets befor calling
1158 * vcom_socket_sid_fds_2_fds
1160 new_vcom_nfd = vcom_socket_sid_fds_2_fds (
1170 &vcom_rd_sid_fds : NULL,
1172 &vcom_wr_sid_fds : NULL,
1174 &vcom_ex_sid_fds : NULL);
1175 if (new_vcom_nfd < 0)
1177 return new_vcom_nfd;
1179 if (new_vcom_nfds < 0)
1190 vcom_socket_socket (int __domain, int __type, int __protocol)
1193 vcom_socket_main_t *vsm = &vcom_socket_main;
1194 vcom_socket_t *vsock;
1199 u8 is_nonblocking = __type & SOCK_NONBLOCK ? 1 : 0;
1200 int type = __type & ~(SOCK_NONBLOCK | SOCK_CLOEXEC);
1202 fd = vcom_socket_open_socket (__domain, __type, __protocol);
1209 sid = vppcom_session_create (VPPCOM_VRF_DEFAULT,
1210 (type == SOCK_DGRAM) ?
1211 VPPCOM_PROTO_UDP : VPPCOM_PROTO_TCP,
1216 goto out_close_socket;
1219 pool_get (vsm->vsockets, vsock);
1220 vsocket_init (vsock);
1222 sockidx = vsock - vsm->vsockets;
1223 hash_set (vsm->sockidx_by_fd, fd, sockidx);
1225 vsocket_set (vsock, fd, sid, SOCKET_TYPE_VPPCOM_BOUND);
1229 vcom_socket_close_socket (fd);
1235 vcom_socket_socketpair (int __domain, int __type, int __protocol,
1243 vcom_socket_bind (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len)
1246 vcom_socket_main_t *vsm = &vcom_socket_main;
1248 vcom_socket_t *vsock;
1252 p = hash_get (vsm->sockidx_by_fd, __fd);
1256 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1260 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1268 ep.vrf = VPPCOM_VRF_DEFAULT;
1269 switch (__addr->sa_family)
1272 if (__len != sizeof (struct sockaddr_in))
1276 ep.is_ip4 = VPPCOM_IS_IP4;
1277 ep.ip = (u8 *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1278 ep.port = (u16) ((const struct sockaddr_in *) __addr)->sin_port;
1282 if (__len != sizeof (struct sockaddr_in6))
1286 ep.is_ip4 = VPPCOM_IS_IP6;
1287 ep.ip = (u8 *) & ((const struct sockaddr_in6 *) __addr)->sin6_addr;
1288 ep.port = (u16) ((const struct sockaddr_in6 *) __addr)->sin6_port;
1296 rv = vppcom_session_bind (vsock->sid, &ep);
1301 vcom_socket_copy_ep_to_sockaddr (__SOCKADDR_ARG __addr,
1302 socklen_t * __restrict __len,
1303 vppcom_endpt_t * ep)
1306 int sa_len, copy_len;
1308 __addr->sa_family = (ep->is_ip4 == VPPCOM_IS_IP4) ? AF_INET : AF_INET6;
1309 switch (__addr->sa_family)
1312 ((struct sockaddr_in *) __addr)->sin_port = ep->port;
1313 if (*__len > sizeof (struct sockaddr_in))
1314 *__len = sizeof (struct sockaddr_in);
1315 sa_len = sizeof (struct sockaddr_in) - sizeof (struct in_addr);
1316 copy_len = *__len - sa_len;
1318 memcpy (&((struct sockaddr_in *) __addr)->sin_addr, ep->ip, copy_len);
1322 ((struct sockaddr_in6 *) __addr)->sin6_port = ep->port;
1323 if (*__len > sizeof (struct sockaddr_in6))
1324 *__len = sizeof (struct sockaddr_in6);
1325 sa_len = sizeof (struct sockaddr_in6) - sizeof (struct in6_addr);
1326 copy_len = *__len - sa_len;
1328 memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
1329 __in6_u.__u6_addr8, ep->ip, copy_len);
1342 vcom_socket_getsockname (int __fd, __SOCKADDR_ARG __addr,
1343 socklen_t * __restrict __len)
1346 vcom_socket_main_t *vsm = &vcom_socket_main;
1348 vcom_socket_t *vsock;
1350 u8 addr_buf[sizeof (struct in6_addr)];
1351 uint32_t size = sizeof (ep);
1353 if (!__addr || !__len)
1356 p = hash_get (vsm->sockidx_by_fd, __fd);
1360 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1364 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1368 rv = vppcom_session_attr (vsock->sid, VPPCOM_ATTR_GET_LCL_ADDR, &ep, &size);
1369 if (rv == VPPCOM_OK)
1370 rv = vcom_socket_copy_ep_to_sockaddr (__addr, __len, &ep);
1376 vcom_socket_connect (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len)
1379 vcom_socket_main_t *vsm = &vcom_socket_main;
1381 vcom_socket_t *vsock;
1385 p = hash_get (vsm->sockidx_by_fd, __fd);
1388 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1390 ep.vrf = VPPCOM_VRF_DEFAULT;
1391 switch (__addr->sa_family)
1394 ep.is_ip4 = VPPCOM_IS_IP4;
1396 (uint8_t *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1398 (uint16_t) ((const struct sockaddr_in *) __addr)->sin_port;
1402 ep.is_ip4 = VPPCOM_IS_IP6;
1404 (uint8_t *) & ((const struct sockaddr_in6 *) __addr)->sin6_addr;
1406 (uint16_t) ((const struct sockaddr_in6 *) __addr)->sin6_port;
1414 rv = vppcom_session_connect (vsock->sid, &ep);
1420 vcom_session_getpeername (int sid, vppcom_endpt_t * ep)
1423 uint32_t size = sizeof (*ep);
1425 rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_PEER_ADDR, ep, &size);
1430 vcom_socket_getpeername (int __fd, __SOCKADDR_ARG __addr,
1431 socklen_t * __restrict __len)
1434 vcom_socket_main_t *vsm = &vcom_socket_main;
1436 vcom_socket_t *vsock;
1437 u8 src_addr[sizeof (struct sockaddr_in6)];
1440 p = hash_get (vsm->sockidx_by_fd, __fd);
1444 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1448 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1451 if (!__addr || !__len)
1455 rv = vcom_session_getpeername (vsock->sid, &ep);
1457 rv = vcom_socket_copy_ep_to_sockaddr (__addr, __len, &ep);
1463 vcom_socket_send (int __fd, const void *__buf, size_t __n, int __flags)
1465 return vcom_socket_sendto (__fd, __buf, __n, __flags, NULL, 0);
1468 /* NOTE: this function is not thread safe or 32-bit friendly */
1470 vcom_socket_sendfile (int __out_fd, int __in_fd, off_t * __offset,
1473 vcom_socket_main_t *vsm = &vcom_socket_main;
1475 vcom_socket_t *vsock;
1476 size_t n_bytes_left = __len;
1477 u32 out_sockidx, out_sid = ~0;
1478 size_t bytes_to_read;
1481 ssize_t results = 0;
1485 clib_warning ("[%d] __out_fd %d, __in_fd %d, __offset %p, __len %lu",
1486 getpid (), __out_fd, __in_fd, __offset, __len);
1488 p = hash_get (vsm->sockidx_by_fd, __out_fd);
1491 clib_warning ("[%d] ERROR: invalid __out_fd (%d), fd lookup failed!",
1496 vsock = pool_elt_at_index (vsm->vsockets, out_sockidx);
1499 clib_warning ("[%d] ERROR: invalid __out_fd (%d) / out_sockidx %u, "
1500 "missing vsock pool element!",
1501 getpid (), __len, out_sockidx);
1504 out_sid = vsock->sid;
1505 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1507 clib_warning ("[%d] ERROR: __out_fd (%d), socket (sid %u) "
1508 "is not VCL bound!", getpid (), __out_fd, out_sid);
1514 off_t offset = lseek (__in_fd, *__offset, SEEK_SET);
1519 clib_warning ("[%d] ERROR: lseek SEEK_SET failed: "
1520 "in_fd %d, offset %p (%ld), rv %ld, errno %d",
1521 getpid (), __in_fd, __offset, *__offset, offset,
1526 ASSERT (offset == *__offset);
1531 rv = vppcom_session_attr (out_sid, VPPCOM_ATTR_GET_NWRITE, 0, 0);
1534 clib_warning ("[%d] ERROR: vppcom_session_attr (out_sid (%u), "
1535 "VPPCOM_ATTR_GET_NWRITE, 0, 0) returned %d (%s)!",
1536 getpid (), out_sid, rv, vppcom_retval_str (rv));
1537 vec_reset_length (vsm->io_buffer);
1541 bytes_to_read = (size_t) rv;
1543 clib_warning ("[%d] results %ld, n_bytes_left %lu, "
1544 "bytes_to_read %lu", getpid (), results,
1545 n_bytes_left, bytes_to_read);
1546 if (bytes_to_read == 0)
1548 u32 flags, flags_len = sizeof (flags);
1549 rv = vppcom_session_attr (out_sid, VPPCOM_ATTR_GET_FLAGS, &flags,
1551 ASSERT (rv == VPPCOM_OK);
1553 if (flags & O_NONBLOCK)
1558 clib_warning ("[%d] EAGAIN", getpid ());
1566 bytes_to_read = clib_min (n_bytes_left, bytes_to_read);
1567 vec_validate (vsm->io_buffer, bytes_to_read);
1568 nbytes = libc_read (__in_fd, vsm->io_buffer, bytes_to_read);
1573 clib_warning ("[%d] ERROR: libc_read (__in_fd (%d), "
1574 "io_buffer %p, bytes_to_read %lu) returned "
1576 getpid (), __in_fd, vsm->io_buffer,
1577 bytes_to_read, errno_val);
1580 vec_reset_length (vsm->io_buffer);
1585 rv = vppcom_session_write (out_sid, vsm->io_buffer, nbytes);
1588 clib_warning ("[%d] ERROR: vppcom_session_write ("
1589 "out_sid %u, io_buffer %p, nbytes %d) "
1591 getpid (), out_sid, vsm->io_buffer, nbytes,
1592 rv, vppcom_retval_str (rv));
1595 vec_reset_length (vsm->io_buffer);
1602 ASSERT (n_bytes_left >= nbytes);
1603 n_bytes_left = n_bytes_left - nbytes;
1605 while (n_bytes_left > 0);
1610 off_t offset = lseek (__in_fd, *__offset, SEEK_SET);
1615 clib_warning ("[%d] ERROR: lseek (__in_fd %d, __offset %p "
1616 "(%ld), SEEK_SET) returned errno %d",
1617 getpid (), __in_fd, __offset, *__offset, errno_val);
1618 vec_reset_length (vsm->io_buffer);
1622 *__offset += results + 1;
1625 vec_reset_length (vsm->io_buffer);
1626 return eagain ? -EAGAIN : results;
1630 vcom_socket_recv (int __fd, void *__buf, size_t __n, int __flags)
1633 rv = vcom_socket_recvfrom (__fd, __buf, __n, __flags, NULL, 0);
1638 * RETURN 1 if __fd is (SOCK_STREAM, SOCK_SEQPACKET),
1642 vcom_socket_is_connection_mode_socket (int __fd)
1645 /* TBD define new vppcom api */
1646 vcom_socket_main_t *vsm = &vcom_socket_main;
1648 vcom_socket_t *vsock;
1653 p = hash_get (vsm->sockidx_by_fd, __fd);
1657 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1658 if (vsock && vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
1660 optlen = sizeof (type);
1661 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_TYPE, &type, &optlen);
1666 /* get socket type */
1667 switch (type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK))
1670 case SOCK_SEQPACKET:
1683 static inline ssize_t
1684 vcom_session_sendto (int __sid, void *__buf, size_t __n,
1685 int __flags, __CONST_SOCKADDR_ARG __addr,
1686 socklen_t __addr_len)
1688 vppcom_endpt_t *ep = 0;
1694 ep->vrf = VPPCOM_VRF_DEFAULT;
1695 switch (__addr->sa_family)
1698 ep->is_ip4 = VPPCOM_IS_IP4;
1700 (uint8_t *) & ((const struct sockaddr_in *) __addr)->sin_addr;
1702 (uint16_t) ((const struct sockaddr_in *) __addr)->sin_port;
1706 ep->is_ip4 = VPPCOM_IS_IP6;
1708 (uint8_t *) & ((const struct sockaddr_in6 *) __addr)->sin6_addr;
1710 (uint16_t) ((const struct sockaddr_in6 *) __addr)->sin6_port;
1714 return -EAFNOSUPPORT;
1718 return vppcom_session_sendto (__sid, __buf, __n, __flags, ep);;
1722 vcom_socket_sendto (int __fd, const void *__buf, size_t __n,
1723 int __flags, __CONST_SOCKADDR_ARG __addr,
1724 socklen_t __addr_len)
1726 vcom_socket_main_t *vsm = &vcom_socket_main;
1728 vcom_socket_t *vsock;
1735 p = hash_get (vsm->sockidx_by_fd, __fd);
1739 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1743 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1748 if (vcom_socket_is_connection_mode_socket (__fd))
1750 /* ignore __addr and _addr_len */
1751 /* and EISCONN may be returned when they are not NULL and 0 */
1752 if ((__addr != NULL) || (__addr_len != 0))
1761 return -EDESTADDRREQ;
1763 /* not a vppcom supported address family */
1764 if (!((__addr->sa_family == AF_INET) ||
1765 (__addr->sa_family == AF_INET6)))
1771 return vcom_session_sendto (vsock->sid, (void *) __buf, (int) __n,
1772 __flags, __addr, __addr_len);
1775 static inline ssize_t
1776 vcom_session_recvfrom (int __sid, void *__restrict __buf, size_t __n,
1777 int __flags, __SOCKADDR_ARG __addr,
1778 socklen_t * __restrict __addr_len)
1782 u8 src_addr[sizeof (struct sockaddr_in6)];
1787 rv = vppcom_session_recvfrom (__sid, __buf, __n, __flags, &ep);
1790 rv = vcom_socket_copy_ep_to_sockaddr (__addr, __addr_len, &ep);
1793 rv = vppcom_session_recvfrom (__sid, __buf, __n, __flags, NULL);
1799 vcom_socket_recvfrom (int __fd, void *__restrict __buf, size_t __n,
1800 int __flags, __SOCKADDR_ARG __addr,
1801 socklen_t * __restrict __addr_len)
1804 vcom_socket_main_t *vsm = &vcom_socket_main;
1806 vcom_socket_t *vsock;
1808 if (__addr && !__addr_len)
1811 p = hash_get (vsm->sockidx_by_fd, __fd);
1815 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1819 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1824 rv = vcom_session_recvfrom (vsock->sid, __buf, __n,
1825 __flags, __addr, __addr_len);
1829 /* TBD: move it to vppcom */
1830 static inline ssize_t
1831 vcom_session_sendmsg (int __sid, const struct msghdr *__message, int __flags)
1834 /* rv = vppcom_session_write (__sid, (void *) __message->__buf,
1840 vcom_socket_sendmsg (int __fd, const struct msghdr * __message, int __flags)
1843 vcom_socket_main_t *vsm = &vcom_socket_main;
1845 vcom_socket_t *vsock;
1847 p = hash_get (vsm->sockidx_by_fd, __fd);
1851 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1855 if (vcom_socket_is_connection_mode_socket (__fd))
1857 /* ignore __addr and _addr_len */
1858 /* and EISCONN may be returned when they are not NULL and 0 */
1859 if ((__message->msg_name != NULL) || (__message->msg_namelen != 0))
1866 /* TBD: validate __message->msg_name and __message->msg_namelen
1867 * and return -EINVAL on validation error
1872 rv = vcom_session_sendmsg (vsock->sid, __message, __flags);
1879 vcom_socket_sendmmsg (int __fd, struct mmsghdr *__vmessages,
1880 unsigned int __vlen, int __flags)
1883 /* TBD: define a new vppcom api */
1888 /* TBD: move it to vppcom */
1889 static inline ssize_t
1890 vcom_session_recvmsg (int __sid, struct msghdr *__message, int __flags)
1893 /* rv = vppcom_session_read (__sid, (void *) __message->__buf,
1900 vcom_socket_recvmsg (int __fd, struct msghdr * __message, int __flags)
1903 vcom_socket_main_t *vsm = &vcom_socket_main;
1905 vcom_socket_t *vsock;
1907 p = hash_get (vsm->sockidx_by_fd, __fd);
1911 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1915 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1923 /* validate __flags */
1925 rv = vcom_session_recvmsg (vsock->sid, __message, __flags);
1931 vcom_socket_recvmmsg (int __fd, struct mmsghdr *__vmessages,
1932 unsigned int __vlen, int __flags,
1933 struct timespec *__tmo)
1935 /* TBD: define a new vppcom api */
1940 /* TBD: move it to vppcom */
1942 vcom_session_get_sockopt (int __sid, int __level, int __optname,
1943 void *__restrict __optval,
1944 socklen_t * __restrict __optlen)
1948 /* 1. for socket level options that are NOT socket attributes
1949 * and that has corresponding vpp options get from vppcom */
1956 *(int *) __optval = 0;
1964 /* 2. unhandled options */
1969 vcom_socket_getsockopt (int __fd, int __level, int __optname,
1970 void *__restrict __optval,
1971 socklen_t * __restrict __optlen)
1974 vcom_socket_main_t *vsm = &vcom_socket_main;
1976 vcom_socket_t *vsock;
1978 if (!__optval || !__optlen)
1981 p = hash_get (vsm->sockidx_by_fd, __fd);
1985 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
1989 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
1998 * 1. for socket level options that are socket attributes,
1999 * get from libc_getsockopt.
2000 * 2. for socket level options that are NOT socket
2001 * attributes and that has corresponding vpp options
2003 * 3. for socket level options unimplemented
2004 * return -ENOPROTOOPT */
2022 case SO_TIMESTAMPNS:
2023 case SO_TIMESTAMPING:
2036 case SO_WIFI_STATUS:
2039 case SO_BINDTODEVICE:
2041 case SO_LOCK_FILTER:
2042 case SO_BPF_EXTENSIONS:
2043 case SO_SELECT_ERR_QUEUE:
2044 #ifdef CONFIG_NET_RX_BUSY_POLL
2047 case SO_MAX_PACING_RATE:
2048 #ifdef SO_INCOMING_CPU
2049 case SO_INCOMING_CPU:
2051 rv = libc_getsockopt (__fd, __level, __optname, __optval, __optlen);
2060 rv = vcom_session_get_sockopt (vsock->sid, __level, __optname,
2061 __optval, __optlen);
2065 /* We implement the SO_SNDLOWAT etc to not be settable
2068 return -ENOPROTOOPT;
2074 /* 1. handle options that are NOT socket level options,
2075 * but have corresponding vpp otions. */
2076 rv = vcom_session_get_sockopt (vsock->sid, __level, __optname,
2077 __optval, __optlen);
2084 /* TBD: move it to vppcom */
2086 vcom_session_setsockopt (int __sid, int __level, int __optname,
2087 const void *__optval, socklen_t __optlen)
2089 int rv = -EOPNOTSUPP;
2098 vppcom_session_attr (__sid, VPPCOM_ATTR_SET_TCP_KEEPIDLE, 0, 0);
2102 vppcom_session_attr (__sid, VPPCOM_ATTR_SET_TCP_KEEPINTVL, 0, 0);
2112 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_V6ONLY, 0, 0);
2122 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_KEEPALIVE, 0, 0);
2125 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_REUSEADDR, 0, 0);
2128 rv = vppcom_session_attr (__sid, VPPCOM_ATTR_SET_BROADCAST, 0, 0);
2142 vcom_socket_setsockopt (int __fd, int __level, int __optname,
2143 const void *__optval, socklen_t __optlen)
2146 vcom_socket_main_t *vsm = &vcom_socket_main;
2148 vcom_socket_t *vsock;
2150 p = hash_get (vsm->sockidx_by_fd, __fd);
2154 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2158 if (vsock->type != SOCKET_TYPE_VPPCOM_BOUND)
2162 * Options without arguments
2165 if (__optname == SO_BINDTODEVICE)
2167 rv = libc_setsockopt (__fd, __level, __optname, __optval, __optlen);
2178 if (__optlen < sizeof (int))
2187 rv = vcom_session_setsockopt (vsock->sid, __level, __optname,
2188 __optval, __optlen);
2201 rv = vcom_session_setsockopt (vsock->sid, __level, __optname,
2202 __optval, __optlen);
2208 /* handle options at socket level */
2215 rv = vcom_session_setsockopt (vsock->sid, __level, __optname,
2216 __optval, __optlen);
2220 * 1. for socket level options that are socket attributes,
2221 * set it from libc_getsockopt
2222 * 2. for socket level options that are NOT socket
2223 * attributes and that has corresponding vpp options
2224 * set it from vppcom
2225 * 3. for socket level options unimplemented
2226 * return -ENOPROTOOPT */
2242 case SO_TIMESTAMPNS:
2243 case SO_TIMESTAMPING:
2256 case SO_WIFI_STATUS:
2260 * SO_BINDTODEVICE already handled as
2261 * "Options without arguments" */
2262 /* case SO_BINDTODEVICE: */
2264 case SO_LOCK_FILTER:
2265 case SO_BPF_EXTENSIONS:
2266 case SO_SELECT_ERR_QUEUE:
2267 #ifdef CONFIG_NET_RX_BUSY_POLL
2270 case SO_MAX_PACING_RATE:
2271 #ifdef SO_INCOMING_CPU
2272 case SO_INCOMING_CPU:
2274 rv = libc_setsockopt (__fd, __level, __optname, __optval, __optlen);
2283 /* We implement the SO_SNDLOWAT etc to not be settable
2286 return -ENOPROTOOPT;
2292 return -ENOPROTOOPT;
2299 vcom_socket_listen (int __fd, int __n)
2302 vcom_socket_main_t *vsm = &vcom_socket_main;
2304 vcom_socket_t *vsock;
2306 p = hash_get (vsm->sockidx_by_fd, __fd);
2309 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2311 /* TBD vppcom to accept __n parameter */
2312 rv = vppcom_session_listen (vsock->sid, __n);
2319 vcom_socket_connected_socket (int __fd, int __sid,
2321 int *__type, int *__protocol, int flags)
2324 vcom_socket_main_t *vsm = &vcom_socket_main;
2325 vcom_socket_t *vsock;
2332 optlen = sizeof (*__domain);
2333 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_DOMAIN, __domain, &optlen);
2340 optlen = sizeof (*__type);
2341 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_TYPE, __type, &optlen);
2348 optlen = sizeof (*__protocol);
2349 rv = libc_getsockopt (__fd, SOL_SOCKET, SO_PROTOCOL, __protocol, &optlen);
2356 fd = vcom_socket_open_socket (*__domain, *__type | flags, *__protocol);
2363 pool_get (vsm->vsockets, vsock);
2364 vsocket_init (vsock);
2366 sockidx = vsock - vsm->vsockets;
2367 hash_set (vsm->sockidx_by_fd, fd, sockidx);
2369 vsocket_set (vsock, fd, __sid, SOCKET_TYPE_VPPCOM_BOUND);
2376 /* If flag is 0, then accept4() is the same as accept().
2377 * SOCK_NONBLOCK and SOCK_CLOEXEC can be bitwise ORed in flags
2380 vcom_socket_accept_flags (int __fd, __SOCKADDR_ARG __addr,
2381 socklen_t * __restrict __addr_len, int flags)
2384 vcom_socket_main_t *vsm = &vcom_socket_main;
2386 vcom_socket_t *vsock;
2394 uint8_t addr8[sizeof (struct in6_addr)];
2399 /* validate flags */
2406 * case SOCK_NONBLOCK:
2407 * case SOCK_CLOEXEC:
2408 * case SOCK_NONBLOCK | SOCK_CLOEXEC:
2415 /* flags can be 0 or can be bitwise OR
2416 * of any of SOCK_NONBLOCK and SOCK_CLOEXEC */
2419 fprintf (stderr, "[%d] vcom_socket_accept_flags: "
2420 "fd = %d, __addr = %p, __addr_len = %p flags = %d (0x%x)\n",
2421 getpid (), __fd, __addr, __addr_len, flags, flags);
2423 if (!(!flags || (flags & (SOCK_NONBLOCK | SOCK_CLOEXEC))))
2425 /* TBD: return proper error code */
2426 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2427 "invalid flags = %d (0x%x)\n", getpid (), flags, flags);
2432 /* TBD: return proper error code */
2434 if (!vcom_socket_is_connection_mode_socket (__fd))
2436 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2437 "connection mode socket support TBD!\n", getpid ());
2441 p = hash_get (vsm->sockidx_by_fd, __fd);
2444 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2447 rv = vcom_fcntl (vsock->fd, F_GETFL, 0);
2450 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2451 "vcom_fcnt() returned %d!\n", getpid (), rv);
2456 if (!(rv & O_NONBLOCK))
2458 /* socket is not marked as nonblocking
2459 * and no pending connections are present
2460 * on the queue, accept () blocks the caller
2461 * until a connection is present.
2463 rv = vppcom_session_accept (vsock->sid, &ep, flags,
2464 -1.0 /* wait forever */ );
2468 /* The file descriptor refers to a socket and has been
2469 * marked nonblocking(O_NONBLOCK) and the accept would
2472 /* is non blocking */
2473 rv = vppcom_session_accept (vsock->sid, &ep, flags, 0);
2474 /* If the socket is marked nonblocking and
2475 * no pending connections are present on the
2476 * queue, accept fails with the error
2477 * EAGAIN or EWOULDBLOCK
2479 if (rv == VPPCOM_ETIMEDOUT)
2486 if (rv != VPPCOM_EAGAIN)
2487 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2488 "vppcom_session_accept() returned %d!", getpid (), rv);
2494 /* create a new connected socket resource and set flags
2495 * on the new file descriptor.
2496 * update vsockets and sockidx_by_fd table
2498 fd = vcom_socket_connected_socket (__fd, sid,
2499 &domain, &type, &protocol, flags);
2502 fprintf (stderr, "[%d] ERROR: vcom_socket_accept_flags: "
2503 "vcom_socket_connected_socket() returned %d!",
2510 /* TBD populate __addr and __addr_len */
2511 /* TBD: The returned address is truncated if the buffer
2512 * provided is too small, in this case, __addr_len will
2513 * return a value greater than was supplied to the call.*/
2518 /* TBD populate __addr and __addr_len */
2522 ((struct sockaddr_in *) __addr)->sin_family = AF_INET;
2523 ((struct sockaddr_in *) __addr)->sin_port = ep.port;
2524 memcpy (&((struct sockaddr_in *) __addr)->sin_addr,
2525 addr8, sizeof (struct in_addr));
2526 /* TBD: populate __addr_len */
2529 *__addr_len = sizeof (struct sockaddr_in);
2534 ((struct sockaddr_in6 *) __addr)->sin6_family = AF_INET6;
2535 ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
2536 memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
2537 __in6_u.__u6_addr8, addr8,
2538 sizeof (struct in6_addr));
2539 /* TBD: populate __addr_len */
2542 *__addr_len = sizeof (struct sockaddr_in6);
2547 return -EAFNOSUPPORT;
2555 ((struct sockaddr_in *) __addr)->sin_family = AF_INET;
2556 ((struct sockaddr_in *) __addr)->sin_port = ep.port;
2557 memcpy (&((struct sockaddr_in *) __addr)->sin_addr,
2558 addr8, sizeof (struct in_addr));
2559 /* TBD: populate __addr_len */
2562 *__addr_len = sizeof (struct sockaddr_in);
2567 ((struct sockaddr_in6 *) __addr)->sin6_family = AF_INET6;
2568 ((struct sockaddr_in6 *) __addr)->sin6_port = ep.port;
2569 memcpy (((struct sockaddr_in6 *) __addr)->sin6_addr.
2570 __in6_u.__u6_addr8, addr8,
2571 sizeof (struct in6_addr));
2572 /* TBD: populate __addr_len */
2575 *__addr_len = sizeof (struct sockaddr_in6);
2580 return -EAFNOSUPPORT;
2590 vcom_socket_accept (int __fd, __SOCKADDR_ARG __addr,
2591 socklen_t * __restrict __addr_len)
2593 /* set flags to 0 for accept() */
2594 return vcom_socket_accept_flags (__fd, __addr, __addr_len, 0);
2598 vcom_socket_accept4 (int __fd, __SOCKADDR_ARG __addr,
2599 socklen_t * __restrict __addr_len, int __flags)
2601 /* SOCK_NONBLOCK and SOCK_CLOEXEC can be bitwise ORed in flags */
2602 return vcom_socket_accept_flags (__fd, __addr, __addr_len, __flags);
2605 /* TBD: move it to vppcom */
2607 vcom_session_shutdown (int __fd, int __how)
2613 vcom_socket_shutdown (int __fd, int __how)
2616 vcom_socket_main_t *vsm = &vcom_socket_main;
2618 vcom_socket_t *vsock;
2620 p = hash_get (vsm->sockidx_by_fd, __fd);
2623 vsock = pool_elt_at_index (vsm->vsockets, p[0]);
2629 rv = vcom_session_shutdown (vsock->sid, __how);
2643 vcom_socket_epoll_create1 (int __flags)
2646 vcom_socket_main_t *vsm = &vcom_socket_main;
2647 vcom_epoll_t *vepoll;
2653 epfd = vcom_socket_open_epoll (__flags);
2660 vep_idx = vppcom_epoll_create ();
2664 goto out_close_epoll;
2667 pool_get (vsm->vepolls, vepoll);
2668 vepoll_init (vepoll);
2670 epollidx = vepoll - vsm->vepolls;
2671 hash_set (vsm->epollidx_by_epfd, epfd, epollidx);
2673 vepoll_set (vepoll, epfd, vep_idx, EPOLL_TYPE_VPPCOM_BOUND, __flags, 0, 0);
2678 vcom_socket_close_epoll (epfd);
2684 * PRE: vppcom_epoll_ctl() is successful
2685 * free_vepitem_on_del : 0 - no_pool_put, 1 - pool_put
2688 vcom_socket_ctl_vepitem (int __epfd, int __op, int __fd,
2689 struct epoll_event *__event,
2690 i32 vep_idx, vcom_epoll_t * vepoll,
2691 i32 vfd_id, void *vfd, vcom_fd_type_t type,
2692 int free_vepitem_on_del)
2695 vcom_socket_main_t *vsm = &vcom_socket_main;
2696 vcom_epitem_t *vepitem;
2698 vcom_epitem_key_t epfdfd = {.epfd = __epfd,.fd = __fd };
2702 i32 *vepitemidxs = 0;
2704 struct epoll_event revent = {.events = 0,.data.fd = INVALID_FD };
2708 /* perform control operations on the epoll instance */
2713 * supplied file descriptor is already
2714 * registered with this epoll instance
2716 /* vepitem exists */
2717 p = hash_get (vsm->epitemidx_by_epfdfd, epfdfd.key);
2724 /* add a new vepitem */
2725 pool_get (vsm->vepitems, vepitem);
2726 vepitem_init (vepitem);
2728 vepitemidx = vepitem - vsm->vepitems;
2729 hash_set (vsm->epitemidx_by_epfdfd, epfdfd.key, vepitemidx);
2730 vepitem_set (vepitem, __epfd, __fd, __fd, __fd, type, *__event, revent);
2732 /* update epitemidxs */
2734 p = hash_get (vsm->epitemidxs_by_epfd, __epfd);
2735 if (!p) /* not exist */
2738 vec_add1 (vepitemidxs, vepitemidx);
2739 hash_set (vsm->epitemidxs_by_epfd, __epfd, vepitemidxs);
2743 vepitemidxs = *(i32 **) p;
2744 vec_add1 (vepitemidxs, vepitemidx);
2745 hash_set3 (vsm->epitemidxs_by_epfd, __epfd, vepitemidxs, 0);
2747 /* update epitemidxs */
2749 p = hash_get (vsm->epitemidxs_by_fd, __fd);
2750 if (!p) /* not exist */
2753 vec_add1 (vepitemidxs, vepitemidx);
2754 hash_set (vsm->epitemidxs_by_fd, __fd, vepitemidxs);
2758 vepitemidxs = *(i32 **) p;
2759 vec_add1 (vepitemidxs, vepitemidx);
2760 hash_set3 (vsm->epitemidxs_by_fd, __fd, vepitemidxs, 0);
2763 /* increment vepoll fd count by 1 */
2772 * supplied file descriptor is not
2773 * registered with this epoll instance
2775 /* vepitem not exist */
2776 p = hash_get (vsm->epitemidx_by_epfdfd, epfdfd.key);
2782 vepitem = pool_elt_at_index (vsm->vepitems, p[0]);
2785 vepitem->event = *__event;
2786 vepitem->revent = revent;
2795 * supplied file descriptor is not
2796 * registered with this epoll instance
2798 /* vepitem not exist */
2799 p = hash_get (vsm->epitemidx_by_epfdfd, epfdfd.key);
2805 vepitemidx = *(i32 *) p;
2806 hash_unset (vsm->epitemidx_by_epfdfd, epfdfd.key);
2808 /* update epitemidxs */
2810 p = hash_get (vsm->epitemidxs_by_epfd, __epfd);
2811 if (!p) /* not exist */
2818 vepitemidxs = *(i32 **) p;
2819 vec_idx = vec_search (vepitemidxs, vepitemidx);
2822 vec_del1 (vepitemidxs, vec_idx);
2823 if (!vec_len (vepitemidxs))
2825 vec_free (vepitemidxs);
2826 hash_unset (vsm->epitemidxs_by_epfd, __epfd);
2831 /* update epitemidxs */
2833 p = hash_get (vsm->epitemidxs_by_fd, __fd);
2834 if (!p) /* not exist */
2841 vepitemidxs = *(i32 **) p;
2842 vec_idx = vec_search (vepitemidxs, vepitemidx);
2845 vec_del1 (vepitemidxs, vec_idx);
2846 if (!vec_len (vepitemidxs))
2848 vec_free (vepitemidxs);
2849 hash_unset (vsm->epitemidxs_by_fd, __fd);
2854 /* pool put vepitem */
2855 vepitem = pool_elt_at_index (vsm->vepitems, vepitemidx);
2856 if (free_vepitem_on_del)
2863 vepitem_init (vepitem);
2864 pool_put (vsm->vepitems, vepitem);
2870 vepitem_init (vepitem);
2874 /* decrement vepoll fd count by 1 */
2892 * PRE: 00. null pointer check on __event
2893 * 01. all other parameters are validated
2897 vcom_socket_epoll_ctl_internal (int __epfd, int __op, int __fd,
2898 struct epoll_event *__event,
2899 int free_vepitem_on_del)
2903 vcom_epoll_t *vepoll;
2904 vcom_socket_t *vfd_vsock;
2908 /* get vep_idx and vepoll */
2909 vep_idx = vcom_socket_get_vep_idx_and_vepoll (__epfd, &vepoll);
2910 if (vep_idx == INVALID_VEP_IDX)
2915 /* get vcom fd type, vfd_id and vfd */
2916 sid = vcom_socket_get_sid_and_vsock (__fd, &vfd_vsock);
2917 if ((sid != INVALID_SESSION_ID) &&
2918 vcom_socket_type_is_vppcom_bound (vfd_vsock->type))
2920 rv = vppcom_epoll_ctl (vep_idx, __op, sid, __event);
2921 if (rv == VPPCOM_OK)
2923 cnt = ((__op == EPOLL_CTL_ADD) ? 1 :
2924 (__op == EPOLL_CTL_DEL) ? -1 : 0);
2925 vepoll->count += cnt;
2926 vepoll->vcl_cnt += cnt;
2930 "[%d] vcom_socket_epoll_ctl_i: vppcom_epoll_ctl() "
2931 "returned %d\n\tepfd %d, vep_idx %d, fd %d sid %d op %d"
2932 "\n\tcount %d, vcl_cnt %d, libc_cnt %d\n",
2933 getpid (), rv, __epfd, vep_idx, __fd, sid, __op,
2934 vepoll->count, vepoll->vcl_cnt, vepoll->libc_cnt);
2938 rv = libc_epoll_ctl (__epfd, __op, __fd, __event);
2941 cnt = ((__op == EPOLL_CTL_ADD) ? 1 :
2942 (__op == EPOLL_CTL_DEL) ? -1 : 0);
2943 vepoll->count += cnt;
2944 vepoll->libc_cnt += cnt;
2948 "[%d] vcom_socket_epoll_ctl_i: libc_epoll_ctl() "
2949 "returned %d\n\tepfd %d, vep_idx %d, fd %d sid %d op %d"
2950 "\n\tcount %d, vcl_cnt %d, libc_cnt %d\n",
2951 getpid (), rv, __epfd, vep_idx, __fd, sid, __op,
2952 vepoll->count, vepoll->vcl_cnt, vepoll->libc_cnt);
2959 vcom_socket_epoll_ctl (int __epfd, int __op, int __fd,
2960 struct epoll_event *__event)
2964 rv = vcom_socket_epoll_ctl_internal (__epfd, __op, __fd, __event, 1);
2969 vcom_socket_epoll_ctl1 (int __epfd, int __op, int __fd,
2970 struct epoll_event *__event)
2974 rv = vcom_socket_epoll_ctl_internal (__epfd, __op, __fd, __event, 0);
2979 vcom_socket_epoll_pwait (int __epfd, struct epoll_event *__events,
2980 int __maxevents, int __timeout,
2981 const __sigset_t * __ss)
2983 vcom_socket_main_t *vsm = &vcom_socket_main;
2985 double time_to_wait = (double) 0;
2986 double timeout, now = 0;
2987 vcom_epoll_t *vepoll;
2990 /* validate __event */
2991 if (!__events || (__timeout < -1))
2993 fprintf (stderr, "[%d] ERROR: vcom_socket_epoll_pwait: "
2994 "Bad args __events %p, __timeout %d\n", getpid (),
2995 __events, __timeout);
3000 time_to_wait = ((__timeout >= 0) ? (double) __timeout / (double) 1000 : 0);
3002 vep_idx = vcom_socket_get_vep_idx_and_vepoll (__epfd, &vepoll);
3003 if (vep_idx == INVALID_VEP_IDX)
3005 fprintf (stderr, "[%d] ERROR: vcom_socket_epoll_pwait: "
3006 "Bad epoll fd %d\n", getpid (), __epfd);
3010 if (vepoll->count <= 0)
3012 fprintf (stderr, "[%d] ERROR: vcom_socket_epoll_pwait: No events"
3013 " in epfd!\n\tcount %d, vcl_cnt %d, libc_cnt %d\n",
3014 getpid (), vepoll->count, vepoll->vcl_cnt, vepoll->libc_cnt);
3019 if (vepoll->libc_cnt == 0)
3022 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: libc_cnt = 0, "
3023 "calling vppcom_epoll_wait() time_to_wait = %f\n",
3024 getpid (), time_to_wait);
3025 rv = vppcom_epoll_wait (vep_idx, __events, __maxevents, time_to_wait);
3027 else if (vepoll->vcl_cnt == 0)
3030 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: vcl_cnt = 0, "
3031 "calling libc_epoll_pwait()\n", getpid ());
3032 rv = libc_epoll_pwait (__epfd, __events, __maxevents, __timeout, __ss);
3037 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: vcl_cnt = %d, "
3038 "libc_cnt = %d -> mixed polling (time_to_wait = %f, "
3039 "__timeout = %d)\n",
3040 getpid (), vepoll->vcl_cnt, vepoll->libc_cnt,
3041 time_to_wait, __timeout);
3042 timeout = clib_time_now (&vsm->clib_time) + time_to_wait;
3045 rv = vppcom_epoll_wait (vep_idx, __events, __maxevents, 0);
3049 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: "
3050 "vppcom_epoll_wait() returned %d\n", getpid (), rv);
3056 fprintf (stderr, "[%d] ERROR: vcom_socket_epoll_pwait: "
3057 "vppcom_epoll_wait() returned %d\n", getpid (), rv);
3061 rv = libc_epoll_pwait (__epfd, __events, __maxevents, 1, __ss);
3065 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: "
3066 "libc_epoll_pwait() returned %d\n", getpid (), rv);
3071 int errno_val = errno;
3072 perror ("libc_epoll_wait");
3073 fprintf (stderr, "[%d] vcom_socket_epoll_pwait: "
3074 "libc_epoll_wait() failed, errno %d\n",
3075 getpid (), errno_val);
3078 if (__timeout != -1)
3079 now = clib_time_now (&vsm->clib_time);
3081 while (now < timeout);
3088 vcom_pollfds_2_selectfds (
3090 struct pollfd *__fds, nfds_t __nfds,
3093 fd_set * __restrict vcom_readfds,
3094 fd_set * __restrict vcom_writefds,
3095 fd_set * __restrict vcom_exceptfds)
3099 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3101 /* ignore negative fds */
3102 if (__fds[fds_idx].fd < 0)
3107 /* for POLLRDHUP, POLLERR, POLLHUP and POLLNVAL */
3108 FD_SET (__fds[fds_idx].fd, vcom_exceptfds);
3110 /* requested events */
3111 if (__fds[fds_idx].events)
3113 if (__fds[fds_idx].events & POLLIN)
3115 FD_SET (__fds[fds_idx].fd, vcom_readfds);
3117 if (__fds[fds_idx].events & POLLPRI)
3119 FD_SET (__fds[fds_idx].fd, vcom_readfds);
3121 if (__fds[fds_idx].events & POLLOUT)
3123 FD_SET (__fds[fds_idx].fd, vcom_writefds);
3125 #if defined __USE_XOPEN || defined __USE_XOPEN2K8
3126 if (__fds[fds_idx].events & POLLRDNORM)
3128 FD_SET (__fds[fds_idx].fd, vcom_readfds);
3130 if (__fds[fds_idx].events & POLLRDBAND)
3132 FD_SET (__fds[fds_idx].fd, vcom_readfds);
3134 if (__fds[fds_idx].events & POLLWRNORM)
3136 FD_SET (__fds[fds_idx].fd, vcom_writefds);
3138 if (__fds[fds_idx].events & POLLWRBAND)
3140 FD_SET (__fds[fds_idx].fd, vcom_writefds);
3144 } /* for (fds_idx = 0; fds_idx < __nfds; fds_idx++) */
3148 vcom_selectfds_2_pollfds (
3150 struct pollfd *__fds, nfds_t __nfds, int *nfd,
3153 fd_set * __restrict vcom_readfds,
3154 fd_set * __restrict vcom_writefds,
3155 fd_set * __restrict vcom_exceptfds)
3160 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3162 /* ignore negative fds */
3163 if (__fds[fds_idx].fd < 0)
3165 __fds[fds_idx].revents = 0;
3168 /* for POLLRDHUP, POLLERR, POLLHUP and POLLNVAL */
3169 if (FD_ISSET (__fds[fds_idx].fd, vcom_exceptfds))
3172 * TBD: for now any select exception
3173 * is flagged as POLLERR
3175 __fds[fds_idx].revents |= POLLERR;
3178 /* requested events */
3179 if (__fds[fds_idx].events & POLLIN)
3181 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3183 __fds[fds_idx].revents |= POLLIN;
3186 if (__fds[fds_idx].events & POLLPRI)
3188 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3190 __fds[fds_idx].revents |= POLLIN;
3193 if (__fds[fds_idx].events & POLLOUT)
3195 if (FD_ISSET (__fds[fds_idx].fd, vcom_writefds))
3197 __fds[fds_idx].revents |= POLLOUT;
3200 #if defined __USE_XOPEN || defined __USE_XOPEN2K8
3201 if (__fds[fds_idx].events & POLLRDNORM)
3203 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3205 __fds[fds_idx].revents |= POLLRDNORM;
3208 if (__fds[fds_idx].events & POLLRDBAND)
3210 if (FD_ISSET (__fds[fds_idx].fd, vcom_readfds))
3212 __fds[fds_idx].revents |= POLLRDBAND;
3215 if (__fds[fds_idx].events & POLLWRNORM)
3217 if (FD_ISSET (__fds[fds_idx].fd, vcom_writefds))
3219 __fds[fds_idx].revents |= POLLWRNORM;
3222 if (__fds[fds_idx].events & POLLWRBAND)
3224 if (FD_ISSET (__fds[fds_idx].fd, vcom_writefds))
3226 __fds[fds_idx].revents |= POLLWRBAND;
3230 } /* for (fds_idx = 0; fds_idx < __nfds; fds_idx++) */
3234 * the number of structures which have nonzero revents fields
3235 * (in other words, those descriptors with events or
3239 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3241 /* ignore negative fds */
3242 if (__fds[fds_idx].fd < 0)
3247 if (__fds[fds_idx].revents)
3255 * PRE: parameters are validated,
3256 * vcom_socket_poll is always called with __timeout set to zero
3257 * hence returns immediately
3259 * ACTION: handle non negative validated vcom fds and ignore rest
3263 * implements vcom_socket_poll () interface
3265 * internally uses vcom_socket_select ()
3266 * to realize the behavior
3269 vcom_socket_poll_select_impl (struct pollfd *__fds, nfds_t __nfds,
3279 fd_set vcom_readfds;
3280 fd_set vcom_writefds;
3281 fd_set vcom_exceptfds;
3283 /* invalid max_vcom_fd is -1 */
3284 int max_vcom_fd = -1;
3286 /* __timeout is zero to get ready events and return immediately */
3287 struct timeval tv = {.tv_sec = 0,.tv_usec = 0 };
3289 /* validate __nfds from select perspective */
3290 if (__nfds > FD_SETSIZE)
3296 /* zero vcom fd sets */
3312 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3314 /* ignore negative fds */
3315 if (__fds[fds_idx].fd < 0)
3320 /* non negative validated vcom fds */
3321 if (__fds[fds_idx].fd > FD_SETSIZE)
3327 /* max_vcom_fd and vcom_nfd */
3328 if (__fds[fds_idx].fd > max_vcom_fd)
3330 /* requested events */
3331 if (__fds[fds_idx].events)
3333 max_vcom_fd = __fds[fds_idx].fd;
3339 vcom_nfds = max_vcom_fd != -1 ? max_vcom_fd + 1 : 0;
3347 vcom_pollfds_2_selectfds (
3352 &vcom_readfds, &vcom_writefds, &vcom_exceptfds);
3354 /* select on vcom fds */
3355 vcom_nfd = vcom_socket_select (vcom_nfds,
3357 &vcom_writefds, &vcom_exceptfds, &tv);
3360 "[%d] vcom_socket_select: "
3361 "'%04d'='%04d'\n", getpid (), vcom_nfd, vcom_nfds);
3369 vcom_selectfds_2_pollfds (
3371 __fds, __nfds, &nfd,
3374 &vcom_readfds, &vcom_writefds, &vcom_exceptfds);
3383 * TBD: remove this static function once vppcom
3384 * has an implementation in place
3389 vppcom_poll (struct pollfd *__fds, nfds_t __nfds, double time_to_wait)
3395 vcom_socket_poll_vppcom_impl (struct pollfd *__fds, nfds_t __nfds,
3400 /* in seconds eg. 3.123456789 seconds */
3401 double time_to_wait = (double) 0;
3406 /* replace vcom fd with session idx */
3407 for (fds_idx = 0; fds_idx < __nfds; fds_idx++)
3409 /* ignore negative fds */
3410 if (__fds[fds_idx].fd < 0)
3415 /* non negative validated vcom fds */
3416 sid = vcom_socket_get_sid (__fds[fds_idx].fd);
3417 if (sid != INVALID_SESSION_ID)
3419 __fds[fds_idx].fd = sid;
3424 vep_idx = vcom_socket_get_vep_idx (__fds[fds_idx].fd);
3425 if (vep_idx != INVALID_VEP_IDX)
3427 __fds[fds_idx].fd = vep_idx;
3436 /* validate __timeout */
3439 time_to_wait = (double) __timeout / (double) 1000;
3441 else if (__timeout == 0)
3443 time_to_wait = (double) 0;
3450 return vppcom_poll (__fds, __nfds, time_to_wait);
3454 vcom_socket_poll (struct pollfd *__fds, nfds_t __nfds, int __timeout)
3456 /* select an implementation */
3458 /* return vcom_socket_poll_vppcom_impl (__fds, __nfds, __timeout); */
3459 return vcom_socket_poll_select_impl (__fds, __nfds, __timeout);
3464 vcom_socket_ppoll (struct pollfd *__fds, nfds_t __nfds,
3465 const struct timespec *__timeout, const __sigset_t * __ss)
3472 vcom_socket_main_init (void)
3474 vcom_socket_main_t *vsm = &vcom_socket_main;
3477 printf ("vcom_socket_main_init\n");
3481 /* TBD: define FD_MAXSIZE and use it here */
3482 pool_alloc (vsm->vsockets, FD_SETSIZE);
3483 vsm->sockidx_by_fd = hash_create (0, sizeof (i32));
3485 pool_alloc (vsm->vepolls, FD_SETSIZE);
3486 vsm->epollidx_by_epfd = hash_create (0, sizeof (i32));
3488 pool_alloc (vsm->vepitems, FD_SETSIZE);
3489 vsm->epitemidx_by_epfdfd = hash_create (0, sizeof (i32));
3491 vsm->epitemidxs_by_epfd = hash_create (0, sizeof (i32 *));
3492 vsm->epitemidxs_by_fd = hash_create (0, sizeof (i32 *));
3494 clib_time_init (&vsm->clib_time);
3504 vcom_socket_main_show (void)
3506 vcom_socket_main_t *vsm = &vcom_socket_main;
3507 vcom_socket_t *vsock;
3509 vcom_epoll_t *vepoll;
3511 vcom_epitem_t *vepitem;
3515 i32 *vepitemidxs, *vepitemidxs_var;
3519 /* from active list of vsockets show vsock */
3522 pool_foreach (vsock, vsm->vsockets,
3525 "fd='%04d', sid='%08x',type='%-30s'\n",
3526 vsock->fd, vsock->sid,
3527 vcom_socket_type_str (vsock->type));
3531 /* from active list of vepolls, show vepoll */
3534 pool_foreach (vepoll, vsm->vepolls,
3537 "epfd='%04d', vep_idx='%08x', "
3539 "flags='%d', count='%d', close='%d'\n",
3540 vepoll->epfd, vepoll->vep_idx,
3541 vcom_socket_epoll_type_str (vepoll->type),
3542 vepoll->flags, vepoll->count, vepoll->close);
3546 /* from active list of vepitems, show vepitem */
3549 pool_foreach (vepitem, vsm->vepitems,
3552 "epfd='%04d', fd='%04d', "
3553 "next_fd='%04d', prev_fd='%04d', "
3555 "events='%04x', revents='%04x'\n",
3556 vepitem->epfd, vepitem->fd,
3557 vepitem->next_fd, vepitem->prev_fd,
3558 vcom_socket_vcom_fd_type_str (vepitem->type),
3559 vepitem->event.events, vepitem->revent.events);
3564 /* show epitemidxs for epfd */
3566 hash_foreach (epfd, vepitemidxs,
3567 vsm->epitemidxs_by_epfd,
3569 printf("\n[ '%04d': ", epfd);
3570 vec_foreach (vepitemidxs_var,vepitemidxs)
3572 printf("'%04d' ", (int)vepitemidxs_var[0]);
3578 /* show epitemidxs for fd */
3580 hash_foreach (fd, vepitemidxs,
3581 vsm->epitemidxs_by_fd,
3583 printf("\n{ '%04d': ", fd);
3584 vec_foreach (vepitemidxs_var,vepitemidxs)
3586 printf("'%04d' ", (int)vepitemidxs_var[0]);
3596 vcom_socket_main_destroy (void)
3598 vcom_socket_main_t *vsm = &vcom_socket_main;
3599 vcom_socket_t *vsock;
3601 vcom_epoll_t *vepoll;
3603 vcom_epitem_t *vepitem;
3611 printf ("vcom_socket_main_destroy\n");
3617 * from active list of vepitems,
3618 * remove all "vepitem" elements from the pool in a safe way
3622 pool_flush (vepitem, vsm->vepitems,
3624 if ((vepitem->type == FD_TYPE_EPOLL) ||
3625 (vepitem->type == FD_TYPE_VCOM_SOCKET))
3627 vcom_socket_epoll_ctl1 (vepitem->epfd, EPOLL_CTL_DEL,
3629 vepitem_init (vepitem);
3634 pool_free (vsm->vepitems);
3635 hash_free (vsm->epitemidx_by_epfdfd);
3637 /* free vepitemidxs for each epfd */
3639 hash_foreach (epfd, vepitemidxs,
3640 vsm->epitemidxs_by_epfd,
3642 vec_free (vepitemidxs);
3645 hash_free (vsm->epitemidxs_by_epfd);
3647 /* free vepitemidxs for each fd */
3649 hash_foreach (fd, vepitemidxs,
3650 vsm->epitemidxs_by_fd,
3652 vec_free (vepitemidxs);
3655 hash_free (vsm->epitemidxs_by_fd);
3659 * from active list of vsockets,
3660 * close socket and vppcom session
3664 pool_foreach (vsock, vsm->vsockets,
3666 if (vsock->type == SOCKET_TYPE_VPPCOM_BOUND)
3668 vppcom_session_close (vsock->sid);
3669 vcom_socket_close_socket (vsock->fd);
3670 vsocket_init (vsock);
3676 * return vsocket element to the pool
3680 pool_flush (vsock, vsm->vsockets,
3682 // vsocket_init(vsock);
3687 pool_free (vsm->vsockets);
3688 hash_free (vsm->sockidx_by_fd);
3691 * from active list of vepolls,
3692 * close epoll and vppcom_epoll
3696 pool_foreach (vepoll, vsm->vepolls,
3698 if (vepoll->type == EPOLL_TYPE_VPPCOM_BOUND)
3700 vppcom_session_close (vepoll->vep_idx);
3701 vcom_socket_close_epoll (vepoll->epfd); /* TBD: */
3702 vepoll_init (vepoll);
3708 * return vepoll element to the pool
3712 pool_flush (vepoll, vsm->vepolls,
3714 // vepoll_init(vepoll);
3719 pool_free (vsm->vepolls);
3720 hash_free (vsm->epollidx_by_epfd);
3728 * fd.io coding-style-patch-verification: ON
3731 * eval: (c-set-style "gnu")