diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vcl/ldp.c | 278 | ||||
| -rw-r--r-- | src/vcl/vppcom.c | 6 | ||||
| -rw-r--r-- | src/vcl/vppcom.h | 5 |
3 files changed, 170 insertions, 119 deletions
diff --git a/src/vcl/ldp.c b/src/vcl/ldp.c index dfbb383f046..5c70643ed24 100644 --- a/src/vcl/ldp.c +++ b/src/vcl/ldp.c @@ -49,22 +49,23 @@ #define DESTRUCTOR_ATTRIBUTE #endif +#define LDP_MAX_NWORKERS 32 + typedef struct ldp_fd_entry_ { - u32 sid; + u32 session_index; u32 fd; u32 fd_index; } ldp_fd_entry_t; -typedef struct +typedef struct ldp_worker_ctx_ { - int init; - char app_name[LDP_APP_NAME_MAX]; - u32 sid_bit_val; - u32 sid_bit_mask; - u32 debug; u8 *io_buffer; clib_time_t clib_time; + + /* + * Select state + */ clib_bitmap_t *rd_bitmap; clib_bitmap_t *wr_bitmap; clib_bitmap_t *ex_bitmap; @@ -74,18 +75,39 @@ typedef struct clib_bitmap_t *libc_rd_bitmap; clib_bitmap_t *libc_wr_bitmap; clib_bitmap_t *libc_ex_bitmap; + u8 select_vcl; + + /* + * Poll state + */ vcl_poll_t *vcl_poll; struct pollfd *libc_poll; u16 *libc_poll_idxs; - u8 select_vcl; + + /* + * Epoll state + */ u8 epoll_wait_vcl; - u8 vcl_needs_real_epoll; /*< vcl needs next epoll_create to - go to libc_epoll */ int vcl_mq_epfd; + +} ldp_worker_ctx_t; + +typedef struct +{ + ldp_worker_ctx_t *workers; + int init; + char app_name[LDP_APP_NAME_MAX]; + u32 sid_bit_val; + u32 sid_bit_mask; + u32 debug; ldp_fd_entry_t *fd_pool; clib_rwlock_t fd_table_lock; - uword *sid_to_fd_table; + uword *session_index_to_fd_table; + + /** vcl needs next epoll_create to go to libc_epoll */ + u8 vcl_needs_real_epoll; } ldp_main_t; + #define LDP_DEBUG ldp->debug #define LDBG(_lvl, _fmt, _args...) \ @@ -100,6 +122,12 @@ static ldp_main_t ldp_main = { static ldp_main_t *ldp = &ldp_main; +static inline ldp_worker_ctx_t * +ldp_worker_get_current (void) +{ + return (ldp->workers + vppcom_worker_index ()); +} + /* * RETURN: 0 on success or -1 on error. * */ @@ -134,10 +162,10 @@ ldp_fd_alloc (u32 sid) return -1; } pool_get (ldp->fd_pool, fde); - fde->sid = sid; + fde->session_index = vppcom_session_index (sid); fde->fd_index = fde - ldp->fd_pool; fde->fd = fde->fd_index + ldp->sid_bit_val; - hash_set (ldp->sid_to_fd_table, sid, fde->fd); + hash_set (ldp->session_index_to_fd_table, fde->session_index, fde->fd); clib_rwlock_writer_unlock (&ldp->fd_table_lock); return fde->fd; } @@ -159,7 +187,7 @@ ldp_fd_from_sid (u32 sid) int fd; clib_rwlock_reader_lock (&ldp->fd_table_lock); - fdp = hash_get (ldp->sid_to_fd_table, sid); + fdp = hash_get (ldp->session_index_to_fd_table, vppcom_session_index (sid)); fd = fdp ? *fdp : -EMFILE; clib_rwlock_reader_unlock (&ldp->fd_table_lock); @@ -175,20 +203,24 @@ ldp_fd_is_sid (int fd) static inline u32 ldp_sid_from_fd (int fd) { + u32 fd_index, session_index; ldp_fd_entry_t *fde; - u32 fd_index, sid; if (!ldp_fd_is_sid (fd)) return INVALID_SESSION_ID; fd_index = fd - ldp->sid_bit_val; fde = ldp_fd_entry_get_w_lock (fd_index); - sid = fde ? fde->sid : INVALID_SESSION_ID; + if (!fde) + { + LDBG (0, "unknown fd %d", fd); + clib_rwlock_reader_unlock (&ldp->fd_table_lock); + return INVALID_SESSION_ID; + } + session_index = fde->session_index; clib_rwlock_reader_unlock (&ldp->fd_table_lock); - /* Handle forks */ - sid = vppcom_session_handle (vppcom_session_index (sid)); - return sid; + return vppcom_session_handle (session_index); } static void @@ -206,7 +238,7 @@ ldp_fd_free_w_sid (u32 sid) fde = ldp_fd_entry_get_w_lock (fd_index); if (fde) { - hash_unset (ldp->sid_to_fd_table, fde->sid); + hash_unset (ldp->session_index_to_fd_table, fde->session_index); pool_put (ldp->fd_pool, fde); } clib_rwlock_writer_unlock (&ldp->fd_table_lock); @@ -215,6 +247,7 @@ ldp_fd_free_w_sid (u32 sid) static inline int ldp_init (void) { + ldp_worker_ctx_t *ldpw; int rv; if (PREDICT_TRUE (ldp->init)) @@ -232,6 +265,8 @@ ldp_init (void) return rv; } ldp->vcl_needs_real_epoll = 0; + pool_alloc (ldp->workers, LDP_MAX_NWORKERS); + ldpw = ldp_worker_get_current (); char *env_var_str = getenv (LDP_ENV_DEBUG); if (env_var_str) @@ -301,7 +336,7 @@ ldp_init (void) } } - clib_time_init (&ldp->clib_time); + clib_time_init (&ldpw->clib_time); clib_rwlock_init (&ldp->fd_table_lock); LDBG (0, "LDP<%d>: LDP initialization: done!", getpid ()); @@ -353,13 +388,13 @@ close (int fd) LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x)", getpid (), fd, fd, func_str, sid, sid); - ldp_fd_free_w_sid (sid); rv = vppcom_session_close (sid); if (rv != VPPCOM_OK) { errno = -rv; rv = -1; } + ldp_fd_free_w_sid (sid); } else { @@ -859,6 +894,7 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, const __sigset_t * __restrict sigmask) { uword sid_bits, sid_bits_set, libc_bits, libc_bits_set; + ldp_worker_ctx_t *ldpw = ldp_worker_get_current (); u32 minbits = clib_max (nfds, BITS (uword)), sid; char *func_str = "##"; f64 time_out; @@ -882,8 +918,8 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, LDBG (3, "LDP<%d>: sleeping for %.02f seconds", getpid (), time_out); - time_out += clib_time_now (&ldp->clib_time); - while (clib_time_now (&ldp->clib_time) < time_out) + time_out += clib_time_now (&ldpw->clib_time); + while (clib_time_now (&ldpw->clib_time) < time_out) ; return 0; } @@ -924,31 +960,31 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, u32 n_bytes = nfds / 8 + ((nfds % 8) ? 1 : 0); if (readfds) { - clib_bitmap_validate (ldp->sid_rd_bitmap, minbits); - clib_bitmap_validate (ldp->libc_rd_bitmap, minbits); - clib_bitmap_validate (ldp->rd_bitmap, minbits); - clib_memcpy_fast (ldp->rd_bitmap, readfds, n_bytes); + clib_bitmap_validate (ldpw->sid_rd_bitmap, minbits); + clib_bitmap_validate (ldpw->libc_rd_bitmap, minbits); + clib_bitmap_validate (ldpw->rd_bitmap, minbits); + clib_memcpy_fast (ldpw->rd_bitmap, readfds, n_bytes); memset (readfds, 0, n_bytes); /* *INDENT-OFF* */ - clib_bitmap_foreach (fd, ldp->rd_bitmap, ({ + clib_bitmap_foreach (fd, ldpw->rd_bitmap, ({ if (fd > nfds) break; sid = ldp_sid_from_fd (fd); LDBG (3, "LDP<%d>: readfds: fd %d (0x%x), sid %u (0x%x)", getpid (), fd, fd, sid, sid); if (sid == INVALID_SESSION_ID) - clib_bitmap_set_no_check (ldp->libc_rd_bitmap, fd, 1); + clib_bitmap_set_no_check (ldpw->libc_rd_bitmap, fd, 1); else - clib_bitmap_set_no_check (ldp->sid_rd_bitmap, + clib_bitmap_set_no_check (ldpw->sid_rd_bitmap, vppcom_session_index (sid), 1); })); /* *INDENT-ON* */ - sid_bits_set = clib_bitmap_last_set (ldp->sid_rd_bitmap) + 1; + sid_bits_set = clib_bitmap_last_set (ldpw->sid_rd_bitmap) + 1; sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits; - libc_bits_set = clib_bitmap_last_set (ldp->libc_rd_bitmap) + 1; + libc_bits_set = clib_bitmap_last_set (ldpw->libc_rd_bitmap) + 1; libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits; LDBG (3, "LDP<%d>: readfds: sid_bits_set %d, sid_bits %d, " @@ -957,31 +993,31 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, } if (writefds) { - clib_bitmap_validate (ldp->sid_wr_bitmap, minbits); - clib_bitmap_validate (ldp->libc_wr_bitmap, minbits); - clib_bitmap_validate (ldp->wr_bitmap, minbits); - clib_memcpy_fast (ldp->wr_bitmap, writefds, n_bytes); + clib_bitmap_validate (ldpw->sid_wr_bitmap, minbits); + clib_bitmap_validate (ldpw->libc_wr_bitmap, minbits); + clib_bitmap_validate (ldpw->wr_bitmap, minbits); + clib_memcpy_fast (ldpw->wr_bitmap, writefds, n_bytes); memset (writefds, 0, n_bytes); /* *INDENT-OFF* */ - clib_bitmap_foreach (fd, ldp->wr_bitmap, ({ + clib_bitmap_foreach (fd, ldpw->wr_bitmap, ({ if (fd > nfds) break; sid = ldp_sid_from_fd (fd); LDBG (3, "LDP<%d>: writefds: fd %d (0x%x), sid %u (0x%x)", getpid (), fd, fd, sid, sid); if (sid == INVALID_SESSION_ID) - clib_bitmap_set_no_check (ldp->libc_wr_bitmap, fd, 1); + clib_bitmap_set_no_check (ldpw->libc_wr_bitmap, fd, 1); else - clib_bitmap_set_no_check (ldp->sid_wr_bitmap, + clib_bitmap_set_no_check (ldpw->sid_wr_bitmap, vppcom_session_index (sid), 1); })); /* *INDENT-ON* */ - sid_bits_set = clib_bitmap_last_set (ldp->sid_wr_bitmap) + 1; + sid_bits_set = clib_bitmap_last_set (ldpw->sid_wr_bitmap) + 1; sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits; - libc_bits_set = clib_bitmap_last_set (ldp->libc_wr_bitmap) + 1; + libc_bits_set = clib_bitmap_last_set (ldpw->libc_wr_bitmap) + 1; libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits; LDBG (3, "LDP<%d>: writefds: sid_bits_set %d, sid_bits %d, " @@ -990,31 +1026,31 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, } if (exceptfds) { - clib_bitmap_validate (ldp->sid_ex_bitmap, minbits); - clib_bitmap_validate (ldp->libc_ex_bitmap, minbits); - clib_bitmap_validate (ldp->ex_bitmap, minbits); - clib_memcpy_fast (ldp->ex_bitmap, exceptfds, n_bytes); + clib_bitmap_validate (ldpw->sid_ex_bitmap, minbits); + clib_bitmap_validate (ldpw->libc_ex_bitmap, minbits); + clib_bitmap_validate (ldpw->ex_bitmap, minbits); + clib_memcpy_fast (ldpw->ex_bitmap, exceptfds, n_bytes); memset (exceptfds, 0, n_bytes); /* *INDENT-OFF* */ - clib_bitmap_foreach (fd, ldp->ex_bitmap, ({ + clib_bitmap_foreach (fd, ldpw->ex_bitmap, ({ if (fd > nfds) break; sid = ldp_sid_from_fd (fd); LDBG (3, "LDP<%d>: exceptfds: fd %d (0x%x), sid %u (0x%x)", getpid (), fd, fd, sid, sid); if (sid == INVALID_SESSION_ID) - clib_bitmap_set_no_check (ldp->libc_ex_bitmap, fd, 1); + clib_bitmap_set_no_check (ldpw->libc_ex_bitmap, fd, 1); else - clib_bitmap_set_no_check (ldp->sid_ex_bitmap, + clib_bitmap_set_no_check (ldpw->sid_ex_bitmap, vppcom_session_index (sid), 1); })); /* *INDENT-ON* */ - sid_bits_set = clib_bitmap_last_set (ldp->sid_ex_bitmap) + 1; + sid_bits_set = clib_bitmap_last_set (ldpw->sid_ex_bitmap) + 1; sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits; - libc_bits_set = clib_bitmap_last_set (ldp->libc_ex_bitmap) + 1; + libc_bits_set = clib_bitmap_last_set (ldpw->libc_ex_bitmap) + 1; libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits; LDBG (3, "LDP<%d>: exceptfds: sid_bits_set %d, sid_bits %d, " @@ -1033,27 +1069,27 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, { if (sid_bits) { - if (!ldp->select_vcl) + if (!ldpw->select_vcl) { func_str = "vppcom_select"; if (readfds) - clib_memcpy_fast (ldp->rd_bitmap, ldp->sid_rd_bitmap, - vec_len (ldp->rd_bitmap) * + clib_memcpy_fast (ldpw->rd_bitmap, ldpw->sid_rd_bitmap, + vec_len (ldpw->rd_bitmap) * sizeof (clib_bitmap_t)); if (writefds) - clib_memcpy_fast (ldp->wr_bitmap, ldp->sid_wr_bitmap, - vec_len (ldp->wr_bitmap) * + clib_memcpy_fast (ldpw->wr_bitmap, ldpw->sid_wr_bitmap, + vec_len (ldpw->wr_bitmap) * sizeof (clib_bitmap_t)); if (exceptfds) - clib_memcpy_fast (ldp->ex_bitmap, ldp->sid_ex_bitmap, - vec_len (ldp->ex_bitmap) * + clib_memcpy_fast (ldpw->ex_bitmap, ldpw->sid_ex_bitmap, + vec_len (ldpw->ex_bitmap) * sizeof (clib_bitmap_t)); rv = vppcom_select (sid_bits, - readfds ? ldp->rd_bitmap : NULL, - writefds ? ldp->wr_bitmap : NULL, - exceptfds ? ldp->ex_bitmap : NULL, 0); + readfds ? ldpw->rd_bitmap : NULL, + writefds ? ldpw->wr_bitmap : NULL, + exceptfds ? ldpw->ex_bitmap : NULL, 0); if (rv < 0) { errno = -rv; @@ -1064,7 +1100,7 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, if (readfds) { /* *INDENT-OFF* */ - clib_bitmap_foreach (sid, ldp->rd_bitmap, + clib_bitmap_foreach (sid, ldpw->rd_bitmap, ({ fd = ldp_fd_from_sid (vppcom_session_handle (sid)); if (PREDICT_FALSE (fd < 0)) @@ -1080,7 +1116,7 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, if (writefds) { /* *INDENT-OFF* */ - clib_bitmap_foreach (sid, ldp->wr_bitmap, + clib_bitmap_foreach (sid, ldpw->wr_bitmap, ({ fd = ldp_fd_from_sid (vppcom_session_handle (sid)); if (PREDICT_FALSE (fd < 0)) @@ -1096,7 +1132,7 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, if (exceptfds) { /* *INDENT-OFF* */ - clib_bitmap_foreach (sid, ldp->ex_bitmap, + clib_bitmap_foreach (sid, ldpw->ex_bitmap, ({ fd = ldp_fd_from_sid (vppcom_session_handle (sid)); if (PREDICT_FALSE (fd < 0)) @@ -1109,12 +1145,12 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, })); /* *INDENT-ON* */ } - ldp->select_vcl = 1; + ldpw->select_vcl = 1; goto done; } } else - ldp->select_vcl = 0; + ldpw->select_vcl = 0; } if (libc_bits) { @@ -1123,16 +1159,16 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, func_str = "libc_pselect"; if (readfds) - clib_memcpy_fast (readfds, ldp->libc_rd_bitmap, - vec_len (ldp->rd_bitmap) * + clib_memcpy_fast (readfds, ldpw->libc_rd_bitmap, + vec_len (ldpw->rd_bitmap) * sizeof (clib_bitmap_t)); if (writefds) - clib_memcpy_fast (writefds, ldp->libc_wr_bitmap, - vec_len (ldp->wr_bitmap) * + clib_memcpy_fast (writefds, ldpw->libc_wr_bitmap, + vec_len (ldpw->wr_bitmap) * sizeof (clib_bitmap_t)); if (exceptfds) - clib_memcpy_fast (exceptfds, ldp->libc_ex_bitmap, - vec_len (ldp->ex_bitmap) * + clib_memcpy_fast (exceptfds, ldpw->libc_ex_bitmap, + vec_len (ldpw->ex_bitmap) * sizeof (clib_bitmap_t)); tspec.tv_sec = tspec.tv_nsec = 0; rv = libc_pselect (libc_bits, @@ -1143,20 +1179,20 @@ ldp_pselect (int nfds, fd_set * __restrict readfds, goto done; } } - while ((time_out == -1) || (clib_time_now (&ldp->clib_time) < time_out)); + while ((time_out == -1) || (clib_time_now (&ldpw->clib_time) < time_out)); rv = 0; done: /* TBD: set timeout to amount of time left */ - clib_bitmap_zero (ldp->rd_bitmap); - clib_bitmap_zero (ldp->sid_rd_bitmap); - clib_bitmap_zero (ldp->libc_rd_bitmap); - clib_bitmap_zero (ldp->wr_bitmap); - clib_bitmap_zero (ldp->sid_wr_bitmap); - clib_bitmap_zero (ldp->libc_wr_bitmap); - clib_bitmap_zero (ldp->ex_bitmap); - clib_bitmap_zero (ldp->sid_ex_bitmap); - clib_bitmap_zero (ldp->libc_ex_bitmap); + clib_bitmap_zero (ldpw->rd_bitmap); + clib_bitmap_zero (ldpw->sid_rd_bitmap); + clib_bitmap_zero (ldpw->libc_rd_bitmap); + clib_bitmap_zero (ldpw->wr_bitmap); + clib_bitmap_zero (ldpw->sid_wr_bitmap); + clib_bitmap_zero (ldpw->libc_wr_bitmap); + clib_bitmap_zero (ldpw->ex_bitmap); + clib_bitmap_zero (ldpw->sid_ex_bitmap); + clib_bitmap_zero (ldpw->libc_ex_bitmap); if (LDP_DEBUG > 3) { @@ -1776,6 +1812,7 @@ send (int fd, const void *buf, size_t n, int flags) ssize_t sendfile (int out_fd, int in_fd, off_t * offset, size_t len) { + ldp_worker_ctx_t *ldpw = ldp_worker_get_current (); ssize_t size = 0; const char *func_str; u32 sid = ldp_sid_from_fd (out_fd); @@ -1804,7 +1841,7 @@ sendfile (int out_fd, int in_fd, off_t * offset, size_t len) out_fd, out_fd, func_str, sid, sid, rv, vppcom_retval_str (rv)); - vec_reset_length (ldp->io_buffer); + vec_reset_length (ldpw->io_buffer); errno = -rv; size = -1; goto done; @@ -1840,7 +1877,7 @@ sendfile (int out_fd, int in_fd, off_t * offset, size_t len) ("LDP<%d>: ERROR: fd %d (0x%x): %s(): sid %u (0x%x), " "returned %d (%s)!", getpid (), out_fd, out_fd, func_str, sid, sid, size, vppcom_retval_str (size)); - vec_reset_length (ldp->io_buffer); + vec_reset_length (ldpw->io_buffer); errno = -size; size = -1; goto done; @@ -1872,8 +1909,8 @@ sendfile (int out_fd, int in_fd, off_t * offset, size_t len) continue; } bytes_to_read = clib_min (n_bytes_left, bytes_to_read); - vec_validate (ldp->io_buffer, bytes_to_read); - nbytes = libc_read (in_fd, ldp->io_buffer, bytes_to_read); + vec_validate (ldpw->io_buffer, bytes_to_read); + nbytes = libc_read (in_fd, ldpw->io_buffer, bytes_to_read); if (nbytes < 0) { func_str = "libc_read"; @@ -1881,13 +1918,13 @@ sendfile (int out_fd, int in_fd, off_t * offset, size_t len) clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): in_fd (%d), " "io_buffer %p, bytes_to_read %lu, rv %d, " "errno %d", getpid (), out_fd, out_fd, func_str, - in_fd, ldp->io_buffer, bytes_to_read, nbytes, + in_fd, ldpw->io_buffer, bytes_to_read, nbytes, errno_val); errno = errno_val; if (results == 0) { - vec_reset_length (ldp->io_buffer); + vec_reset_length (ldpw->io_buffer); size = -1; goto done; } @@ -1898,10 +1935,10 @@ sendfile (int out_fd, int in_fd, off_t * offset, size_t len) clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), " "buf %p, nbytes %u: results %d, n_bytes_left %d", getpid (), - out_fd, out_fd, func_str, sid, sid, ldp->io_buffer, nbytes, + out_fd, out_fd, func_str, sid, sid, ldpw->io_buffer, nbytes, results, n_bytes_left); - size = vppcom_session_write (sid, ldp->io_buffer, nbytes); + size = vppcom_session_write (sid, ldpw->io_buffer, nbytes); if (size < 0) { if (size == VPPCOM_EAGAIN) @@ -1927,12 +1964,12 @@ sendfile (int out_fd, int in_fd, off_t * offset, size_t len) "sid %u, io_buffer %p, nbytes %u " "returned %d (%s)", getpid (), out_fd, out_fd, func_str, - sid, ldp->io_buffer, nbytes, + sid, ldpw->io_buffer, nbytes, size, vppcom_retval_str (size)); } if (results == 0) { - vec_reset_length (ldp->io_buffer); + vec_reset_length (ldpw->io_buffer); errno = -size; size = -1; goto done; @@ -1947,7 +1984,7 @@ sendfile (int out_fd, int in_fd, off_t * offset, size_t len) while (n_bytes_left > 0); update_offset: - vec_reset_length (ldp->io_buffer); + vec_reset_length (ldpw->io_buffer); if (offset) { off_t off = lseek (in_fd, *offset, SEEK_SET); @@ -3022,6 +3059,7 @@ shutdown (int fd, int how) int epoll_create1 (int flags) { + ldp_worker_ctx_t *ldpw = ldp_worker_get_current (); const char *func_str; int rv; @@ -3032,7 +3070,7 @@ epoll_create1 (int flags) { rv = libc_epoll_create1 (flags); ldp->vcl_needs_real_epoll = 0; - ldp->vcl_mq_epfd = rv; + ldpw->vcl_mq_epfd = rv; LDBG (0, "LDP<%d>: created vcl epfd %u", getpid (), rv); return rv; } @@ -3200,6 +3238,7 @@ static inline int ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, int timeout, const sigset_t * sigmask) { + ldp_worker_ctx_t *ldpw = ldp_worker_get_current (); double time_to_wait = (double) 0, time_out, now = 0; u32 vep_idx = ldp_sid_from_fd (epfd); int libc_epfd, rv = 0; @@ -3214,7 +3253,7 @@ ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, return -1; } - if (epfd == ldp->vcl_mq_epfd) + if (epfd == ldpw->vcl_mq_epfd) return libc_epoll_pwait (epfd, events, maxevents, timeout, sigmask); if (PREDICT_FALSE (vep_idx == INVALID_SESSION_ID)) @@ -3226,7 +3265,7 @@ ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, } time_to_wait = ((timeout >= 0) ? (double) timeout : 0); - time_out = clib_time_now (&ldp->clib_time) + time_to_wait; + time_out = clib_time_now (&ldpw->clib_time) + time_to_wait; func_str = "vppcom_session_attr[GET_LIBC_EPFD]"; libc_epfd = vppcom_session_attr (vep_idx, VPPCOM_ATTR_GET_LIBC_EPFD, 0, 0); @@ -3243,7 +3282,7 @@ ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, maxevents, timeout, sigmask, time_to_wait, time_out); do { - if (!ldp->epoll_wait_vcl) + if (!ldpw->epoll_wait_vcl) { func_str = "vppcom_epoll_wait"; @@ -3254,7 +3293,7 @@ ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, rv = vppcom_epoll_wait (vep_idx, events, maxevents, 0); if (rv > 0) { - ldp->epoll_wait_vcl = 1; + ldpw->epoll_wait_vcl = 1; goto done; } else if (rv < 0) @@ -3265,7 +3304,7 @@ ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, } } else - ldp->epoll_wait_vcl = 0; + ldpw->epoll_wait_vcl = 0; if (libc_epfd > 0) { @@ -3282,7 +3321,7 @@ ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, } if (timeout != -1) - now = clib_time_now (&ldp->clib_time); + now = clib_time_now (&ldpw->clib_time); } while (now < time_out); @@ -3323,6 +3362,7 @@ epoll_wait (int epfd, struct epoll_event *events, int maxevents, int timeout) int poll (struct pollfd *fds, nfds_t nfds, int timeout) { + ldp_worker_ctx_t *ldpw = ldp_worker_get_current (); const char *func_str = __func__; int rv, i, n_revents = 0; u32 sid; @@ -3350,7 +3390,7 @@ poll (struct pollfd *fds, nfds_t nfds, int timeout) if (sid != INVALID_SESSION_ID) { fds[i].fd = -fds[i].fd; - vec_add2 (ldp->vcl_poll, vp, 1); + vec_add2 (ldpw->vcl_poll, vp, 1); vp->fds_ndx = i; vp->sid = sid; vp->events = fds[i].events; @@ -3364,23 +3404,23 @@ poll (struct pollfd *fds, nfds_t nfds, int timeout) } else { - vec_add1 (ldp->libc_poll, fds[i]); - vec_add1 (ldp->libc_poll_idxs, i); + vec_add1 (ldpw->libc_poll, fds[i]); + vec_add1 (ldpw->libc_poll_idxs, i); } } do { - if (vec_len (ldp->vcl_poll)) + if (vec_len (ldpw->vcl_poll)) { func_str = "vppcom_poll"; LDBG (3, "LDP<%d>: calling %s(): vcl_poll %p, n_sids %u (0x%x): " - "n_libc_fds %u", getpid (), func_str, ldp->vcl_poll, - vec_len (ldp->vcl_poll), vec_len (ldp->vcl_poll), - vec_len (ldp->libc_poll)); + "n_libc_fds %u", getpid (), func_str, ldpw->vcl_poll, + vec_len (ldpw->vcl_poll), vec_len (ldpw->vcl_poll), + vec_len (ldpw->libc_poll)); - rv = vppcom_poll (ldp->vcl_poll, vec_len (ldp->vcl_poll), 0); + rv = vppcom_poll (ldpw->vcl_poll, vec_len (ldpw->vcl_poll), 0); if (rv < 0) { errno = -rv; @@ -3391,14 +3431,14 @@ poll (struct pollfd *fds, nfds_t nfds, int timeout) n_revents += rv; } - if (vec_len (ldp->libc_poll)) + if (vec_len (ldpw->libc_poll)) { func_str = "libc_poll"; LDBG (3, "LDP<%d>: calling %s(): fds %p, nfds %u: n_sids %u", - getpid (), fds, nfds, vec_len (ldp->vcl_poll)); + getpid (), fds, nfds, vec_len (ldpw->vcl_poll)); - rv = libc_poll (ldp->libc_poll, vec_len (ldp->libc_poll), 0); + rv = libc_poll (ldpw->libc_poll, vec_len (ldpw->libc_poll), 0); if (rv < 0) goto done; else @@ -3412,11 +3452,11 @@ poll (struct pollfd *fds, nfds_t nfds, int timeout) } } while ((wait_for_time == -1) || - (clib_time_now (&ldp->clib_time) < wait_for_time)); + (clib_time_now (&ldpw->clib_time) < wait_for_time)); rv = 0; done: - vec_foreach (vp, ldp->vcl_poll) + vec_foreach (vp, ldpw->vcl_poll) { fds[vp->fds_ndx].fd = -fds[vp->fds_ndx].fd; fds[vp->fds_ndx].revents = vp->revents; @@ -3429,14 +3469,14 @@ done: fds[vp->fds_ndx].revents |= POLLWRNORM; #endif } - vec_reset_length (ldp->vcl_poll); + vec_reset_length (ldpw->vcl_poll); - for (i = 0; i < vec_len (ldp->libc_poll); i++) + for (i = 0; i < vec_len (ldpw->libc_poll); i++) { - fds[ldp->libc_poll_idxs[i]].revents = ldp->libc_poll[i].revents; + fds[ldpw->libc_poll_idxs[i]].revents = ldpw->libc_poll[i].revents; } - vec_reset_length (ldp->libc_poll_idxs); - vec_reset_length (ldp->libc_poll); + vec_reset_length (ldpw->libc_poll_idxs); + vec_reset_length (ldpw->libc_poll); if (LDP_DEBUG > 3) { @@ -3453,7 +3493,7 @@ done: { clib_warning ("LDP<%d>: returning %d (0x%x): n_sids %u, " "n_libc_fds %d", getpid (), rv, rv, - vec_len (ldp->vcl_poll), vec_len (ldp->libc_poll)); + vec_len (ldpw->vcl_poll), vec_len (ldpw->libc_poll)); for (i = 0; i < nfds; i++) { diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index b397058052c..589d57c3872 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -3366,6 +3366,12 @@ vppcom_worker_register (void) return VPPCOM_EEXIST; } +int +vppcom_worker_index (void) +{ + return vcl_get_worker_index (); +} + /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h index 5085e950af4..0c0b7ce45fd 100644 --- a/src/vcl/vppcom.h +++ b/src/vcl/vppcom.h @@ -279,6 +279,11 @@ extern int vppcom_data_segment_copy (void *buf, vppcom_data_segments_t ds, */ extern int vppcom_worker_register (void); +/** + * Retrieve current worker index + */ +extern int vppcom_worker_index (void); + /* *INDENT-OFF* */ #ifdef __cplusplus } |