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-rw-r--r--vlib-api/vlibsocket/socksvr_vlib.c706
1 files changed, 0 insertions, 706 deletions
diff --git a/vlib-api/vlibsocket/socksvr_vlib.c b/vlib-api/vlibsocket/socksvr_vlib.c
deleted file mode 100644
index dc8c63ebbaf..00000000000
--- a/vlib-api/vlibsocket/socksvr_vlib.c
+++ /dev/null
@@ -1,706 +0,0 @@
-/*
- *------------------------------------------------------------------
- * socksvr_vlib.c
- *
- * Copyright (c) 2009 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *------------------------------------------------------------------
- */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <sys/ioctl.h>
-#include <vppinfra/byte_order.h>
-
-#include <fcntl.h>
-#include <sys/stat.h>
-
-#include <vlibsocket/api.h>
-#include <vlibmemory/api.h>
-
-#include <vlibsocket/vl_socket_msg_enum.h> /* enumerate all vlib messages */
-
-#define vl_typedefs /* define message structures */
-#include <vlibsocket/vl_socket_api_h.h>
-#undef vl_typedefs
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vlibsocket/vl_socket_api_h.h>
-#undef vl_printfun
-
-/* instantiate all the endian swap functions we know about */
-#define vl_endianfun
-#include <vlibsocket/vl_socket_api_h.h>
-#undef vl_endianfun
-
-socket_main_t socket_main;
-
-void
-dump_socket_clients (vlib_main_t * vm, api_main_t * am)
-{
- vl_api_registration_t *reg;
- socket_main_t *sm = &socket_main;
- unix_main_t *um = &unix_main;
- unix_file_t *f;
-
- /*
- * Must have at least one active client, not counting the
- * REGISTRATION_TYPE_SOCKET_LISTEN bind/accept socket
- */
- if (pool_elts (sm->registration_pool) < 2)
- return;
-
- vlib_cli_output (vm, "TCP socket clients");
- vlib_cli_output (vm, "%16s %8s", "Name", "Fildesc");
- /* *INDENT-OFF* */
- pool_foreach (reg, sm->registration_pool,
- ({
- if (reg->registration_type == REGISTRATION_TYPE_SOCKET_SERVER) {
- f = pool_elt_at_index (um->file_pool, reg->unix_file_index);
- vlib_cli_output (vm, "%16s %8d",
- reg->name, f->file_descriptor);
- }
- }));
-/* *INDENT-ON* */
-}
-
-void
-vl_socket_api_send (vl_api_registration_t * rp, u8 * elem)
-{
- u32 nbytes = 4; /* for the length... */
- u16 msg_id = ntohs (*(u16 *) elem);
- u32 msg_length;
- u32 tmp;
- api_main_t *am = &api_main;
-
- ASSERT (rp->registration_type > REGISTRATION_TYPE_SHMEM);
-
- if (msg_id >= vec_len (am->api_trace_cfg))
- {
- clib_warning ("id out of range: %d", msg_id);
- vl_msg_api_free ((void *) elem);
- return;
- }
-
- msg_length = am->api_trace_cfg[msg_id].size;
- nbytes += msg_length;
- tmp = clib_host_to_net_u32 (nbytes);
-
- vl_socket_add_pending_output (rp->unix_file_index
- + unix_main.file_pool,
- rp->vl_api_registration_pool_index
- + socket_main.registration_pool,
- (u8 *) & tmp, sizeof (tmp));
- vl_socket_add_pending_output (rp->unix_file_index
- + unix_main.file_pool,
- rp->vl_api_registration_pool_index
- + socket_main.registration_pool,
- elem, msg_length);
- vl_msg_api_free ((void *) elem);
-}
-
-void
-vl_socket_api_send_with_data (vl_api_registration_t * rp,
- u8 * elem, u8 * data_vector)
-{
- u32 nbytes = 4; /* for the length... */
- u16 msg_id = ntohs (*(u16 *) elem);
- u32 msg_length;
- u32 tmp;
- api_main_t *am = &api_main;
-
- ASSERT (rp->registration_type > REGISTRATION_TYPE_SHMEM);
-
- if (msg_id >= vec_len (am->api_trace_cfg))
- {
- clib_warning ("id out of range: %d", msg_id);
- vec_free (data_vector);
- vl_msg_api_free ((void *) elem);
- return;
- }
-
- msg_length = am->api_trace_cfg[msg_id].size;
- nbytes += msg_length;
- nbytes += vec_len (data_vector);
-
- /* Length in network byte order */
- tmp = clib_host_to_net_u32 (nbytes);
-
- vl_socket_add_pending_output (rp->unix_file_index
- + unix_main.file_pool,
- rp->vl_api_registration_pool_index
- + socket_main.registration_pool,
- (u8 *) & tmp, sizeof (tmp));
- vl_socket_add_pending_output (rp->unix_file_index
- + unix_main.file_pool,
- rp->vl_api_registration_pool_index
- + socket_main.registration_pool,
- elem, msg_length);
- vl_socket_add_pending_output (rp->unix_file_index
- + unix_main.file_pool,
- rp->vl_api_registration_pool_index
- + socket_main.registration_pool,
- data_vector, vec_len (data_vector));
- vl_msg_api_free ((void *) elem);
-}
-
-static inline void
-vl_socket_api_send_with_length_internal (vl_api_registration_t * rp,
- u8 * elem, u32 msg_length, int free)
-{
- u32 nbytes = 4; /* for the length... */
- u16 msg_id = ntohs (*(u16 *) elem);
- u32 tmp;
- api_main_t *am = &api_main;
-
- ASSERT (rp->registration_type > REGISTRATION_TYPE_SHMEM);
-
- if (msg_id >= vec_len (am->api_trace_cfg))
- {
- clib_warning ("id out of range: %d", msg_id);
- if (free)
- vl_msg_api_free ((void *) elem);
- return;
- }
-
- nbytes += msg_length;
-
- /* Length in network byte order */
- tmp = clib_host_to_net_u32 (nbytes);
-
- vl_socket_add_pending_output (rp->unix_file_index
- + unix_main.file_pool,
- rp->vl_api_registration_pool_index
- + socket_main.registration_pool,
- (u8 *) & tmp, sizeof (tmp));
- vl_socket_add_pending_output (rp->unix_file_index
- + unix_main.file_pool,
- rp->vl_api_registration_pool_index
- + socket_main.registration_pool,
- elem, msg_length);
- if (free)
- vl_msg_api_free ((void *) elem);
-}
-
-void
-vl_socket_api_send_with_length (vl_api_registration_t * rp,
- u8 * elem, u32 msg_length)
-{
- vl_socket_api_send_with_length_internal (rp, elem, msg_length,
- 1 /* free */ );
-}
-
-void
-vl_socket_api_send_with_length_no_free (vl_api_registration_t * rp,
- u8 * elem, u32 msg_length)
-{
- vl_socket_api_send_with_length_internal (rp, elem, msg_length,
- 0 /* free */ );
-}
-
-void
-vl_free_socket_registration_index (u32 pool_index)
-{
- vl_api_registration_t *rp;
- if (pool_is_free_index (socket_main.registration_pool, pool_index))
- {
- clib_warning ("main pool index %d already free", pool_index);
- return;
- }
- rp = pool_elt_at_index (socket_main.registration_pool, pool_index);
-
- ASSERT (rp->registration_type != REGISTRATION_TYPE_FREE);
- vec_free (rp->name);
- vec_free (rp->unprocessed_input);
- vec_free (rp->output_vector);
- rp->registration_type = REGISTRATION_TYPE_FREE;
- pool_put (socket_main.registration_pool, rp);
-}
-
-static inline void
-socket_process_msg (unix_file_t * uf, vl_api_registration_t * rp,
- i8 * input_v)
-{
- u8 *the_msg = (u8 *) (input_v + sizeof (u32));
- socket_main.current_uf = uf;
- socket_main.current_rp = rp;
- vl_msg_api_socket_handler (the_msg);
- socket_main.current_uf = 0;
- socket_main.current_rp = 0;
-}
-
-clib_error_t *
-vl_socket_read_ready (unix_file_t * uf)
-{
- unix_main_t *um = &unix_main;
- vl_api_registration_t *rp;
- int n;
- i8 *msg_buffer = 0;
- u32 msg_len;
- u32 save_input_buffer_length = vec_len (socket_main.input_buffer);
-
- rp = pool_elt_at_index (socket_main.registration_pool, uf->private_data);
-
- n = read (uf->file_descriptor, socket_main.input_buffer,
- vec_len (socket_main.input_buffer));
-
- if (n <= 0 && errno != EAGAIN)
- {
- unix_file_del (um, uf);
-
- if (!pool_is_free (socket_main.registration_pool, rp))
- {
- u32 index = rp - socket_main.registration_pool;
- vl_free_socket_registration_index (index);
- }
- else
- {
- clib_warning ("client index %d already free?",
- rp->vl_api_registration_pool_index);
- }
- return 0;
- }
-
- _vec_len (socket_main.input_buffer) = n;
-
- /*
- * Look for bugs here. This code is tricky because
- * data read from a stream socket does honor message
- * boundaries. In the case of a long message (>4K bytes)
- * we have to do (at least) 2 reads, etc.
- */
- do
- {
- if (vec_len (rp->unprocessed_input))
- {
- vec_append (rp->unprocessed_input, socket_main.input_buffer);
- msg_buffer = rp->unprocessed_input;
- msg_len = rp->unprocessed_msg_length;
- }
- else
- {
- msg_buffer = socket_main.input_buffer;
- msg_len = 0;
- }
-
- if (msg_len == 0)
- {
- /* Length may be split across two reads */
- if (vec_len (msg_buffer) < sizeof (u32))
- goto save_and_split;
-
- /* total length, including msg_len itself, in network byte order */
- msg_len = clib_net_to_host_u32 (*((u32 *) msg_buffer));
- }
-
- /* Happens if the client sent msg_len == 0 */
- if (msg_len == 0)
- {
- clib_warning ("msg_len == 0");
- goto turf_it;
- }
-
- /* We don't have the entire message yet. */
- if (msg_len > vec_len (msg_buffer))
- {
- save_and_split:
- /*
- * if we were using the shared input buffer,
- * save the fragment.
- */
- if (msg_buffer == socket_main.input_buffer)
- {
- ASSERT (vec_len (rp->unprocessed_input) == 0);
- vec_validate (rp->unprocessed_input, vec_len (msg_buffer) - 1);
- clib_memcpy (rp->unprocessed_input, msg_buffer,
- vec_len (msg_buffer));
- _vec_len (rp->unprocessed_input) = vec_len (msg_buffer);
- }
- _vec_len (socket_main.input_buffer) = save_input_buffer_length;
- rp->unprocessed_msg_length = msg_len;
- return 0;
- }
-
- socket_process_msg (uf, rp, msg_buffer);
- if (n > msg_len)
- vec_delete (msg_buffer, msg_len, 0);
- else
- _vec_len (msg_buffer) = 0;
- n -= msg_len;
- msg_len = 0;
- rp->unprocessed_msg_length = 0;
- }
- while (n > 0);
-
-turf_it:
- _vec_len (socket_main.input_buffer) = save_input_buffer_length;
-
- return 0;
-}
-
-void
-vl_socket_add_pending_output (unix_file_t * uf,
- vl_api_registration_t * rp,
- u8 * buffer, uword buffer_bytes)
-{
- unix_main_t *um = &unix_main;
-
- vec_add (rp->output_vector, buffer, buffer_bytes);
- if (vec_len (rp->output_vector) > 0)
- {
- int skip_update = 0 != (uf->flags & UNIX_FILE_DATA_AVAILABLE_TO_WRITE);
- uf->flags |= UNIX_FILE_DATA_AVAILABLE_TO_WRITE;
- if (!skip_update)
- um->file_update (uf, UNIX_FILE_UPDATE_MODIFY);
- }
-}
-
-static void
-socket_del_pending_output (unix_file_t * uf,
- vl_api_registration_t * rp, uword n_bytes)
-{
- unix_main_t *um = &unix_main;
-
- vec_delete (rp->output_vector, n_bytes, 0);
- if (vec_len (rp->output_vector) <= 0)
- {
- int skip_update = 0 == (uf->flags & UNIX_FILE_DATA_AVAILABLE_TO_WRITE);
- uf->flags &= ~UNIX_FILE_DATA_AVAILABLE_TO_WRITE;
- if (!skip_update)
- um->file_update (uf, UNIX_FILE_UPDATE_MODIFY);
- }
-}
-
-clib_error_t *
-vl_socket_write_ready (unix_file_t * uf)
-{
- unix_main_t *um = &unix_main;
- vl_api_registration_t *rp;
- int n;
-
- rp = pool_elt_at_index (socket_main.registration_pool, uf->private_data);
-
- /* Flush output vector. */
- n = write (uf->file_descriptor,
- rp->output_vector, vec_len (rp->output_vector));
-
- if (n < 0)
- {
-#if DEBUG > 2
- clib_warning ("write error, close the file...\n");
-#endif
- unix_file_del (um, uf);
-
- vl_free_socket_registration_index (rp - socket_main.registration_pool);
- return 0;
- }
-
- else if (n > 0)
- socket_del_pending_output (uf, rp, n);
-
- return 0;
-}
-
-clib_error_t *
-vl_socket_error_ready (unix_file_t * uf)
-{
- vl_api_registration_t *rp;
- unix_main_t *um = &unix_main;
-
- rp = pool_elt_at_index (socket_main.registration_pool, uf->private_data);
- unix_file_del (um, uf);
- vl_free_socket_registration_index (rp - socket_main.registration_pool);
-
- return 0;
-}
-
-void
-socksvr_file_add (unix_main_t * um, int fd)
-{
- vl_api_registration_t *rp;
- unix_file_t template = { 0 };
-
- pool_get (socket_main.registration_pool, rp);
- memset (rp, 0, sizeof (*rp));
-
- template.read_function = vl_socket_read_ready;
- template.write_function = vl_socket_write_ready;
- template.error_function = vl_socket_error_ready;
- template.file_descriptor = fd;
- template.private_data = rp - socket_main.registration_pool;
-
- rp->registration_type = REGISTRATION_TYPE_SOCKET_SERVER;
- rp->vl_api_registration_pool_index = rp - socket_main.registration_pool;
- rp->unix_file_index = unix_file_add (um, &template);
-}
-
-static clib_error_t *
-socksvr_accept_ready (unix_file_t * uf)
-{
- unix_main_t *um = &unix_main;
- struct sockaddr_in client_addr;
- int client_fd;
- int client_len;
-
- client_len = sizeof (client_addr);
-
- /*
- * Supposedly acquires the non-blocking attrib from the
- * server socket.
- */
- client_fd = accept (uf->file_descriptor,
- (struct sockaddr *) &client_addr,
- (socklen_t *) & client_len);
-
- if (client_fd < 0)
- return clib_error_return_unix (0, "socksvr_accept_ready: accept");
-
- socksvr_file_add (um, client_fd);
- return 0;
-}
-
-static clib_error_t *
-socksvr_bogus_write (unix_file_t * uf)
-{
- clib_warning ("why am I here?");
- return 0;
-}
-
-/*
- * vl_api_sockclnt_create_t_handler
- */
-void
-vl_api_sockclnt_create_t_handler (vl_api_sockclnt_create_t * mp)
-{
- vl_api_registration_t *regp;
- vl_api_sockclnt_create_reply_t *rp;
- int rv = 1;
-
- regp = socket_main.current_rp;
-
- ASSERT (regp->registration_type == REGISTRATION_TYPE_SOCKET_SERVER);
-
- regp->name = format (0, "%s%c", mp->name, 0);
-
- rp = vl_msg_api_alloc (sizeof (*rp));
- rp->_vl_msg_id = htons (VL_API_SOCKCLNT_CREATE_REPLY);
- rp->handle = (uword) regp;
- rp->index = (uword) regp->vl_api_registration_pool_index;
- rp->context = mp->context;
- rp->response = htonl (rv);
-
- vl_msg_api_send (regp, (u8 *) rp);
-}
-
-/*
- * vl_api_sockclnt_delete_t_handler
- */
-void
-vl_api_sockclnt_delete_t_handler (vl_api_sockclnt_delete_t * mp)
-{
- vl_api_registration_t *regp;
- vl_api_sockclnt_delete_reply_t *rp;
-
- if (!pool_is_free_index (socket_main.registration_pool, mp->index))
- {
- regp = pool_elt_at_index (socket_main.registration_pool, mp->index);
-
- rp = vl_msg_api_alloc (sizeof (*rp));
- rp->_vl_msg_id = htons (VL_API_SOCKCLNT_DELETE_REPLY);
- rp->handle = mp->handle;
- rp->response = htonl (1);
-
- vl_msg_api_send (regp, (u8 *) rp);
-
- unix_file_del (&unix_main, unix_main.file_pool + regp->unix_file_index);
-
- vl_free_socket_registration_index (mp->index);
- }
- else
- {
- clib_warning ("unknown client ID %d", mp->index);
- }
-}
-
-#define foreach_vlib_api_msg \
-_(SOCKCLNT_CREATE, sockclnt_create) \
-_(SOCKCLNT_DELETE, sockclnt_delete)
-
-static clib_error_t *
-socksvr_api_init (vlib_main_t * vm)
-{
- unix_main_t *um = &unix_main;
- unix_file_t template = { 0 };
- int sockfd;
- int one = 1;
- int rv;
- struct sockaddr_in serv_addr;
- vl_api_registration_t *rp;
- u16 portno;
- u32 bind_address;
-
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_vlib_api_msg;
-#undef _
-
- vec_resize (socket_main.input_buffer, 4096);
-
- /* Set up non-blocking server socket on CLIENT_API_SERVER_PORT */
- sockfd = socket (AF_INET, SOCK_STREAM, 0);
-
- if (sockfd < 0)
- {
- return clib_error_return_unix (0, "socket");
- }
-
- rv = ioctl (sockfd, FIONBIO, &one);
- if (rv < 0)
- {
- close (sockfd);
- return clib_error_return_unix (0, "FIONBIO");
- }
-
- rv = setsockopt (sockfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof (one));
- if (rv < 0)
- {
- close (sockfd);
- return clib_error_return_unix (0, "SO_REUSEADDR");
- }
-
- bzero ((char *) &serv_addr, sizeof (serv_addr));
- serv_addr.sin_family = AF_INET;
-
- if (socket_main.bind_address)
- bind_address = socket_main.bind_address;
- else
- bind_address = INADDR_LOOPBACK;
-
- if (socket_main.portno)
- portno = socket_main.portno;
- else
- portno = SOCKSVR_DEFAULT_PORT;
-
- serv_addr.sin_port = clib_host_to_net_u16 (portno);
- serv_addr.sin_addr.s_addr = clib_host_to_net_u32 (bind_address);
-
- if (bind (sockfd, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) < 0)
- {
- close (sockfd);
- return clib_error_return_unix (0, "bind");
- }
-
- rv = listen (sockfd, 5);
- if (rv < 0)
- {
- close (sockfd);
- return clib_error_return_unix (0, "listen");
- }
-
- pool_get (socket_main.registration_pool, rp);
- memset (rp, 0, sizeof (*rp));
-
- rp->registration_type = REGISTRATION_TYPE_SOCKET_LISTEN;
-
- template.read_function = socksvr_accept_ready;
- template.write_function = socksvr_bogus_write;
- template.file_descriptor = sockfd;
- template.private_data = rp - socket_main.registration_pool;
-
- rp->unix_file_index = unix_file_add (um, &template);
- return 0;
-}
-
-static clib_error_t *
-socket_exit (vlib_main_t * vm)
-{
- unix_main_t *um = &unix_main;
- vl_api_registration_t *rp;
-
- /* Defensive driving in case something wipes out early */
- if (socket_main.registration_pool)
- {
- u32 index;
- /* *INDENT-OFF* */
- pool_foreach (rp, socket_main.registration_pool, ({
- unix_file_del (um, um->file_pool + rp->unix_file_index);
- index = rp->vl_api_registration_pool_index;
- vl_free_socket_registration_index (index);
- }));
-/* *INDENT-ON* */
- }
-
- return 0;
-}
-
-VLIB_MAIN_LOOP_EXIT_FUNCTION (socket_exit);
-
-static clib_error_t *
-socksvr_config (vlib_main_t * vm, unformat_input_t * input)
-{
- int portno;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "port %d", &portno))
- {
- socket_main.portno = portno;
- }
- else
- {
- return clib_error_return (0, "unknown input '%U'",
- format_unformat_error, input);
- }
- }
- return socksvr_api_init (vm);
-}
-
-VLIB_CONFIG_FUNCTION (socksvr_config, "socksvr");
-
-/* argument in host byte order */
-void
-socksvr_set_port (u16 port)
-{
- socket_main.portno = port;
-}
-
-/* argument in host byte order */
-void
-socksvr_set_bind_address (u32 bind_address)
-{
- socket_main.bind_address = bind_address;
-}
-
-clib_error_t *
-vlibsocket_init (vlib_main_t * vm)
-{
- return 0;
-}
-
-VLIB_INIT_FUNCTION (vlibsocket_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */