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-rw-r--r--src/vnet/tcp/builtin_http_server.c668
1 files changed, 0 insertions, 668 deletions
diff --git a/src/vnet/tcp/builtin_http_server.c b/src/vnet/tcp/builtin_http_server.c
deleted file mode 100644
index 5510f8ad34c..00000000000
--- a/src/vnet/tcp/builtin_http_server.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/*
-* Copyright (c) 2015-2017 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 <vnet/vnet.h>
-#include <vnet/session/application.h>
-#include <vnet/session/application_interface.h>
-
-typedef enum
-{
- EVENT_WAKEUP = 1,
-} http_process_event_t;
-
-typedef struct
-{
- u64 session_handle;
- u64 node_index;
- u8 *data;
-} builtin_http_server_args;
-
-typedef struct
-{
- u8 **rx_buf;
- svm_queue_t **vpp_queue;
- u64 byte_index;
-
- uword *handler_by_get_request;
-
- u32 *free_http_cli_process_node_indices;
-
- /* Sever's event queue */
- svm_queue_t *vl_input_queue;
-
- /* API client handle */
- u32 my_client_index;
-
- u32 app_index;
-
- /* process node index for evnt scheduling */
- u32 node_index;
-
- u32 prealloc_fifos;
- u32 private_segment_size;
- u32 fifo_size;
- vlib_main_t *vlib_main;
-} http_server_main_t;
-
-http_server_main_t http_server_main;
-
-static void
-free_http_process (builtin_http_server_args * args)
-{
- vlib_node_runtime_t *rt;
- vlib_main_t *vm = &vlib_global_main;
- http_server_main_t *hsm = &http_server_main;
- vlib_node_t *n;
- u32 node_index;
- builtin_http_server_args **save_args;
-
- node_index = args->node_index;
- ASSERT (node_index != 0);
-
- n = vlib_get_node (vm, node_index);
- rt = vlib_node_get_runtime (vm, n->index);
- save_args = vlib_node_get_runtime_data (vm, n->index);
-
- /* Reset process session pointer */
- clib_mem_free (*save_args);
- *save_args = 0;
-
- /* Turn off the process node */
- vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
-
- /* add node index to the freelist */
- vec_add1 (hsm->free_http_cli_process_node_indices, node_index);
-}
-
-static const char
- *http_response = "HTTP/1.1 200 OK\r\n"
- "Content-Type: text/html\r\n"
- "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
- "Connection: close\r\n"
- "Pragma: no-cache\r\n" "Content-Length: %d\r\n\r\n%s";
-
-static const char
- *http_error_template = "HTTP/1.1 %s\r\n"
- "Content-Type: text/html\r\n"
- "Expires: Mon, 11 Jan 1970 10:10:10 GMT\r\n"
- "Connection: close\r\n" "Pragma: no-cache\r\n" "Content-Length: 0\r\n\r\n";
-
-/* Header, including incantation to suppress favicon.ico requests */
-static const char
- *html_header_template = "<html><head><title>%v</title>"
- "</head><link rel=\"icon\" href=\"data:,\"><body><pre>";
-
-static const char *html_footer = "</pre></body></html>\r\n";
-
-static const char
- *html_header_static = "<html><head><title>static reply</title></head>"
- "<link rel=\"icon\" href=\"data:,\"><body><pre>hello</pre></body>"
- "</html>\r\n";
-
-static u8 *static_http;
-
-static void
-http_cli_output (uword arg, u8 * buffer, uword buffer_bytes)
-{
- u8 **output_vecp = (u8 **) arg;
- u8 *output_vec;
- u32 offset;
-
- output_vec = *output_vecp;
-
- offset = vec_len (output_vec);
- vec_validate (output_vec, offset + buffer_bytes - 1);
- clib_memcpy (output_vec + offset, buffer, buffer_bytes);
-
- *output_vecp = output_vec;
-}
-
-void
-send_data (stream_session_t * s, u8 * data)
-{
- session_fifo_event_t evt;
- u32 offset, bytes_to_send;
- f64 delay = 10e-3;
- http_server_main_t *hsm = &http_server_main;
- vlib_main_t *vm = hsm->vlib_main;
- f64 last_sent_timer = vlib_time_now (vm);
-
- bytes_to_send = vec_len (data);
- offset = 0;
-
- while (bytes_to_send > 0)
- {
- int actual_transfer;
-
- actual_transfer = svm_fifo_enqueue_nowait
- (s->server_tx_fifo, bytes_to_send, data + offset);
-
- /* Made any progress? */
- if (actual_transfer <= 0)
- {
- vlib_process_suspend (vm, delay);
- /* 10s deadman timer */
- if (vlib_time_now (vm) > last_sent_timer + 10.0)
- {
- /* $$$$ FC: reset transport session here? */
- break;
- }
- /* Exponential backoff, within reason */
- if (delay < 1.0)
- delay = delay * 2.0;
- }
- else
- {
- last_sent_timer = vlib_time_now (vm);
- offset += actual_transfer;
- bytes_to_send -= actual_transfer;
-
- if (svm_fifo_set_event (s->server_tx_fifo))
- {
- /* Fabricate TX event, send to vpp */
- evt.fifo = s->server_tx_fifo;
- evt.event_type = FIFO_EVENT_APP_TX;
-
- svm_queue_add (hsm->vpp_queue[s->thread_index],
- (u8 *) & evt, 0 /* do wait for mutex */ );
- }
- delay = 10e-3;
- }
- }
-}
-
-static void
-send_error (stream_session_t * s, char *str)
-{
- u8 *data;
-
- data = format (0, http_error_template, str);
- send_data (s, data);
- vec_free (data);
-}
-
-static uword
-http_cli_process (vlib_main_t * vm,
- vlib_node_runtime_t * rt, vlib_frame_t * f)
-{
- http_server_main_t *hsm = &http_server_main;
- u8 *request = 0, *reply = 0;
- builtin_http_server_args **save_args;
- builtin_http_server_args *args;
- stream_session_t *s;
- unformat_input_t input;
- int i;
- u8 *http = 0, *html = 0;
-
- save_args = vlib_node_get_runtime_data (hsm->vlib_main, rt->node_index);
- args = *save_args;
- s = session_get_from_handle (args->session_handle);
- ASSERT (s);
-
- request = (u8 *) (void *) (args->data);
- if (vec_len (request) < 7)
- {
- send_error (s, "400 Bad Request");
- goto out;
- }
-
- for (i = 0; i < vec_len (request) - 4; i++)
- {
- if (request[i] == 'G' &&
- request[i + 1] == 'E' &&
- request[i + 2] == 'T' && request[i + 3] == ' ')
- goto found;
- }
-bad_request:
- send_error (s, "400 Bad Request");
- goto out;
-
-found:
- /* Lose "GET " */
- vec_delete (request, i + 5, 0);
-
- /* Replace slashes with spaces, stop at the end of the path */
- i = 0;
- while (1)
- {
- if (request[i] == '/')
- request[i] = ' ';
- else if (request[i] == ' ')
- {
- /* vlib_cli_input is vector-based, no need for a NULL */
- _vec_len (request) = i;
- break;
- }
- i++;
- /* Should never happen */
- if (i == vec_len (request))
- goto bad_request;
- }
-
- /* Generate the html header */
- html = format (0, html_header_template, request /* title */ );
-
- /* Run the command */
- unformat_init_vector (&input, request);
- vlib_cli_input (vm, &input, http_cli_output, (uword) & reply);
- unformat_free (&input);
- request = 0;
-
- /* Generate the html page */
- html = format (html, "%v", reply);
- html = format (html, html_footer);
- /* And the http reply */
- http = format (0, http_response, vec_len (html), html);
-
- /* Send it */
- send_data (s, http);
-
-out:
- /* Cleanup */
- vec_free (request);
- vec_free (reply);
- vec_free (html);
- vec_free (http);
-
- free_http_process (args);
- return (0);
-}
-
-static void
-alloc_http_process (builtin_http_server_args * args)
-{
- char *name;
- vlib_node_t *n;
- http_server_main_t *hsm = &http_server_main;
- vlib_main_t *vm = hsm->vlib_main;
- uword l = vec_len (hsm->free_http_cli_process_node_indices);
- builtin_http_server_args **save_args;
-
- if (vec_len (hsm->free_http_cli_process_node_indices) > 0)
- {
- n = vlib_get_node (vm, hsm->free_http_cli_process_node_indices[l - 1]);
- vlib_node_set_state (vm, n->index, VLIB_NODE_STATE_POLLING);
- _vec_len (hsm->free_http_cli_process_node_indices) = l - 1;
- }
- else
- {
- static vlib_node_registration_t r = {
- .function = http_cli_process,
- .type = VLIB_NODE_TYPE_PROCESS,
- .process_log2_n_stack_bytes = 16,
- .runtime_data_bytes = sizeof (void *),
- };
-
- name = (char *) format (0, "http-cli-%d", l);
- r.name = name;
- vlib_register_node (vm, &r);
- vec_free (name);
-
- n = vlib_get_node (vm, r.index);
- }
-
- /* Save the node index in the args. It won't be zero. */
- args->node_index = n->index;
-
- /* Save the args (pointer) in the node runtime */
- save_args = vlib_node_get_runtime_data (vm, n->index);
- *save_args = args;
-
- vlib_start_process (vm, n->runtime_index);
-}
-
-static void
-alloc_http_process_callback (void *cb_args)
-{
- alloc_http_process ((builtin_http_server_args *) cb_args);
-}
-
-static int
-session_rx_request (stream_session_t * s)
-{
- http_server_main_t *hsm = &http_server_main;
- svm_fifo_t *rx_fifo;
- u32 max_dequeue;
- int actual_transfer;
-
- rx_fifo = s->server_rx_fifo;
- max_dequeue = svm_fifo_max_dequeue (rx_fifo);
- svm_fifo_unset_event (rx_fifo);
- if (PREDICT_FALSE (max_dequeue == 0))
- return -1;
-
- vec_validate (hsm->rx_buf[s->thread_index], max_dequeue - 1);
- _vec_len (hsm->rx_buf[s->thread_index]) = max_dequeue;
-
- actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_dequeue,
- hsm->rx_buf[s->thread_index]);
- ASSERT (actual_transfer > 0);
- _vec_len (hsm->rx_buf[s->thread_index]) = actual_transfer;
- return 0;
-}
-
-static int
-http_server_rx_callback (stream_session_t * s)
-{
- http_server_main_t *hsm = &http_server_main;
- builtin_http_server_args *args;
- int rv;
-
- rv = session_rx_request (s);
- if (rv)
- return rv;
-
- /* send the command to a new/recycled vlib process */
- args = clib_mem_alloc (sizeof (*args));
- args->data = vec_dup (hsm->rx_buf[s->thread_index]);
- args->session_handle = session_handle (s);
-
- /* Send an RPC request via the thread-0 input node */
- if (vlib_get_thread_index () != 0)
- {
- session_fifo_event_t evt;
- evt.rpc_args.fp = alloc_http_process_callback;
- evt.rpc_args.arg = args;
- evt.event_type = FIFO_EVENT_RPC;
- svm_queue_add
- (session_manager_get_vpp_event_queue (0 /* main thread */ ),
- (u8 *) & evt, 0 /* do wait for mutex */ );
- }
- else
- alloc_http_process (args);
- return 0;
-}
-
-static int
-http_server_rx_callback_static (stream_session_t * s)
-{
- http_server_main_t *hsm = &http_server_main;
- u8 *request = 0;
- int i;
- int rv;
-
- rv = session_rx_request (s);
- if (rv)
- return rv;
-
- request = hsm->rx_buf[s->thread_index];
- if (vec_len (request) < 7)
- {
- send_error (s, "400 Bad Request");
- goto out;
- }
-
- for (i = 0; i < vec_len (request) - 4; i++)
- {
- if (request[i] == 'G' &&
- request[i + 1] == 'E' &&
- request[i + 2] == 'T' && request[i + 3] == ' ')
- goto found;
- }
- send_error (s, "400 Bad Request");
- goto out;
-
-found:
-
- /* Send it */
- send_data (s, static_http);
-
-out:
- /* Cleanup */
- vec_free (request);
- hsm->rx_buf[s->thread_index] = request;
- return 0;
-}
-
-static int
-builtin_session_accept_callback (stream_session_t * s)
-{
- http_server_main_t *bsm = &http_server_main;
-
- bsm->vpp_queue[s->thread_index] =
- session_manager_get_vpp_event_queue (s->thread_index);
- s->session_state = SESSION_STATE_READY;
- bsm->byte_index = 0;
- return 0;
-}
-
-static void
-builtin_session_disconnect_callback (stream_session_t * s)
-{
- http_server_main_t *bsm = &http_server_main;
- vnet_disconnect_args_t _a, *a = &_a;
-
- a->handle = session_handle (s);
- a->app_index = bsm->app_index;
- vnet_disconnect_session (a);
-}
-
-static void
-builtin_session_reset_callback (stream_session_t * s)
-{
- clib_warning ("called.. ");
-
- stream_session_cleanup (s);
-}
-
-static int
-builtin_session_connected_callback (u32 app_index, u32 api_context,
- stream_session_t * s, u8 is_fail)
-{
- clib_warning ("called...");
- return -1;
-}
-
-static int
-builtin_add_segment_callback (u32 client_index, const ssvm_private_t * sp)
-{
- clib_warning ("called...");
- return -1;
-}
-
-static int
-builtin_redirect_connect_callback (u32 client_index, void *mp)
-{
- clib_warning ("called...");
- return -1;
-}
-
-static session_cb_vft_t builtin_session_cb_vft = {
- .session_accept_callback = builtin_session_accept_callback,
- .session_disconnect_callback = builtin_session_disconnect_callback,
- .session_connected_callback = builtin_session_connected_callback,
- .add_segment_callback = builtin_add_segment_callback,
- .redirect_connect_callback = builtin_redirect_connect_callback,
- .builtin_server_rx_callback = http_server_rx_callback,
- .session_reset_callback = builtin_session_reset_callback
-};
-
-/* Abuse VPP's input queue */
-static int
-create_api_loopback (vlib_main_t * vm)
-{
- http_server_main_t *hsm = &http_server_main;
- api_main_t *am = &api_main;
- vl_shmem_hdr_t *shmem_hdr;
-
- shmem_hdr = am->shmem_hdr;
- hsm->vl_input_queue = shmem_hdr->vl_input_queue;
- hsm->my_client_index =
- vl_api_memclnt_create_internal ("test_http_server", hsm->vl_input_queue);
- return 0;
-}
-
-static int
-server_attach ()
-{
- http_server_main_t *hsm = &http_server_main;
- u64 options[APP_OPTIONS_N_OPTIONS];
- vnet_app_attach_args_t _a, *a = &_a;
- u32 segment_size = 128 << 20;
-
- memset (a, 0, sizeof (*a));
- memset (options, 0, sizeof (options));
-
- if (hsm->private_segment_size)
- segment_size = hsm->private_segment_size;
-
- a->api_client_index = hsm->my_client_index;
- a->session_cb_vft = &builtin_session_cb_vft;
- a->options = options;
- a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
- a->options[APP_OPTIONS_RX_FIFO_SIZE] =
- hsm->fifo_size ? hsm->fifo_size : 8 << 10;
- a->options[APP_OPTIONS_TX_FIFO_SIZE] =
- hsm->fifo_size ? hsm->fifo_size : 32 << 10;
- a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
- a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = hsm->prealloc_fifos;
-
- if (vnet_application_attach (a))
- {
- clib_warning ("failed to attach server");
- return -1;
- }
- hsm->app_index = a->app_index;
- return 0;
-}
-
-static int
-server_listen ()
-{
- http_server_main_t *hsm = &http_server_main;
- vnet_bind_args_t _a, *a = &_a;
- memset (a, 0, sizeof (*a));
- a->app_index = hsm->app_index;
- a->uri = "tcp://0.0.0.0/80";
- return vnet_bind_uri (a);
-}
-
-static int
-server_create (vlib_main_t * vm)
-{
- http_server_main_t *hsm = &http_server_main;
- u32 num_threads;
- vlib_thread_main_t *vtm = vlib_get_thread_main ();
-
- ASSERT (hsm->my_client_index == (u32) ~ 0);
- if (create_api_loopback (vm))
- return -1;
-
- num_threads = 1 /* main thread */ + vtm->n_threads;
- vec_validate (http_server_main.vpp_queue, num_threads - 1);
-
- if (server_attach ())
- {
- clib_warning ("failed to attach server");
- return -1;
- }
- if (server_listen ())
- {
- clib_warning ("failed to start listening");
- return -1;
- }
- return 0;
-}
-
-static clib_error_t *
-server_create_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- http_server_main_t *hsm = &http_server_main;
- int rv, is_static = 0;
- u64 seg_size;
- u8 *html;
-
- hsm->prealloc_fifos = 0;
- hsm->private_segment_size = 0;
- hsm->fifo_size = 0;
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "static"))
- is_static = 1;
- else if (unformat (input, "prealloc-fifos %d", &hsm->prealloc_fifos))
- ;
- else if (unformat (input, "private-segment-size %U",
- unformat_memory_size, &seg_size))
- {
- if (seg_size >= 0x100000000ULL)
- {
- vlib_cli_output (vm, "private segment size %llu, too large",
- seg_size);
- return 0;
- }
- hsm->private_segment_size = seg_size;
- }
- else if (unformat (input, "fifo-size %d", &hsm->fifo_size))
- hsm->fifo_size <<= 10;
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
- if (hsm->my_client_index != (u32) ~ 0)
- return clib_error_return (0, "test http server is already running");
-
- vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
-
- if (is_static)
- {
- builtin_session_cb_vft.builtin_server_rx_callback =
- http_server_rx_callback_static;
- html = format (0, html_header_static);
- static_http = format (0, http_response, vec_len (html), html);
- }
- rv = server_create (vm);
- switch (rv)
- {
- case 0:
- break;
- default:
- return clib_error_return (0, "server_create returned %d", rv);
- }
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (server_create_command, static) =
-{
- .path = "test http server",
- .short_help = "test http server",
- .function = server_create_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-builtin_http_server_main_init (vlib_main_t * vm)
-{
- http_server_main_t *hsm = &http_server_main;
- vlib_thread_main_t *vtm = vlib_get_thread_main ();
- u32 num_threads;
-
- hsm->my_client_index = ~0;
- hsm->vlib_main = vm;
- num_threads = 1 /* main thread */ + vtm->n_threads;
- vec_validate (hsm->rx_buf, num_threads - 1);
- return 0;
-}
-
-VLIB_INIT_FUNCTION (builtin_http_server_main_init);
-
-/*
-* fd.io coding-style-patch-verification: ON
-*
-* Local Variables:
-* eval: (c-set-style "gnu")
-* End:
-*/