#include <vnet/session/application.h>
#include <vnet/session/application_interface.h>
#include <hs_apps/proxy.h>
+#include <vnet/tcp/tcp.h>
proxy_main_t proxy_main;
+#define TCP_MSS 1460
+
typedef struct
{
char uri[128];
uword *p;
u64 handle;
+ clib_spinlock_lock_if_init (&pm->sessions_lock);
+
handle = session_handle (s);
- clib_spinlock_lock_if_init (&pm->sessions_lock);
if (is_active_open)
{
- active_open_session = s;
-
p = hash_get (pm->proxy_session_by_active_open_handle, handle);
if (p == 0)
{
}
else if (!pool_is_free_index (pm->sessions, p[0]))
{
+ active_open_session = s;
ps = pool_elt_at_index (pm->sessions, p[0]);
if (ps->vpp_server_handle != ~0)
server_session = session_get_from_handle (ps->vpp_server_handle);
- else
- server_session = 0;
}
}
else
{
- server_session = s;
-
p = hash_get (pm->proxy_session_by_server_handle, handle);
if (p == 0)
{
}
else if (!pool_is_free_index (pm->sessions, p[0]))
{
+ server_session = s;
ps = pool_elt_at_index (pm->sessions, p[0]);
if (ps->vpp_active_open_handle != ~0)
active_open_session = session_get_from_handle
(ps->vpp_active_open_handle);
- else
- active_open_session = 0;
}
}
pool_put (pm->sessions, ps);
}
- clib_spinlock_unlock_if_init (&pm->sessions_lock);
-
if (active_open_session)
{
a->handle = session_handle (active_open_session);
session_handle (server_session));
vnet_disconnect_session (a);
}
+
+ clib_spinlock_unlock_if_init (&pm->sessions_lock);
}
static int
proxy_session_t *ps;
int proxy_index;
uword *p;
- svm_fifo_t *active_open_tx_fifo;
+ svm_fifo_t *ao_tx_fifo;
ASSERT (s->thread_index == thread_index);
if (PREDICT_TRUE (p != 0))
{
clib_spinlock_unlock_if_init (&pm->sessions_lock);
- active_open_tx_fifo = s->rx_fifo;
+ ao_tx_fifo = s->rx_fifo;
/*
* Send event for active open tx fifo
*/
- if (svm_fifo_set_event (active_open_tx_fifo))
+ if (svm_fifo_set_event (ao_tx_fifo))
{
- u32 ao_thread_index = active_open_tx_fifo->master_thread_index;
- u32 ao_session_index = active_open_tx_fifo->master_session_index;
+ u32 ao_thread_index = ao_tx_fifo->master_thread_index;
+ u32 ao_session_index = ao_tx_fifo->master_session_index;
if (session_send_io_evt_to_thread_custom (&ao_session_index,
ao_thread_index,
SESSION_IO_EVT_TX))
clib_warning ("failed to enqueue tx evt");
}
+
+ if (svm_fifo_max_enqueue (ao_tx_fifo) <= TCP_MSS)
+ svm_fifo_add_want_deq_ntf (ao_tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
}
else
{
if (PREDICT_FALSE (max_dequeue == 0))
return 0;
+ max_dequeue = clib_min (pm->rcv_buffer_size, max_dequeue);
actual_transfer = svm_fifo_peek (rx_fifo, 0 /* relative_offset */ ,
max_dequeue, pm->rx_buf[thread_index]);
clib_memset (a, 0, sizeof (*a));
- clib_spinlock_lock_if_init (&pm->sessions_lock);
pool_get (pm->sessions, ps);
clib_memset (ps, 0, sizeof (*ps));
ps->server_rx_fifo = rx_fifo;
return 0;
}
+static int
+proxy_tx_callback (session_t * proxy_s)
+{
+ proxy_main_t *pm = &proxy_main;
+ transport_connection_t *tc;
+ session_handle_t handle;
+ proxy_session_t *ps;
+ session_t *ao_s;
+ u32 min_free;
+ uword *p;
+
+ min_free = clib_min (svm_fifo_size (proxy_s->tx_fifo) >> 3, 128 << 10);
+ if (svm_fifo_max_enqueue (proxy_s->tx_fifo) < min_free)
+ {
+ svm_fifo_add_want_deq_ntf (proxy_s->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
+ return 0;
+ }
+
+ clib_spinlock_lock_if_init (&pm->sessions_lock);
+
+ handle = session_handle (proxy_s);
+ p = hash_get (pm->proxy_session_by_server_handle, handle);
+ if (!p)
+ return 0;
+
+ if (pool_is_free_index (pm->sessions, p[0]))
+ return 0;
+
+ ps = pool_elt_at_index (pm->sessions, p[0]);
+ if (ps->vpp_active_open_handle == ~0)
+ return 0;
+
+ ao_s = session_get_from_handle (ps->vpp_active_open_handle);
+
+ /* Force ack on active open side to update rcv wnd */
+ tc = session_get_transport (ao_s);
+ tcp_send_ack ((tcp_connection_t *) tc);
+
+ clib_spinlock_unlock_if_init (&pm->sessions_lock);
+
+ return 0;
+}
+
static session_cb_vft_t proxy_session_cb_vft = {
.session_accept_callback = proxy_accept_callback,
.session_disconnect_callback = proxy_disconnect_callback,
.session_connected_callback = proxy_connected_callback,
.add_segment_callback = proxy_add_segment_callback,
.builtin_app_rx_callback = proxy_rx_callback,
+ .builtin_app_tx_callback = proxy_tx_callback,
.session_reset_callback = proxy_reset_callback
};
s->tx_fifo->refcnt++;
s->rx_fifo->refcnt++;
+ svm_fifo_init_ooo_lookup (s->tx_fifo, 1 /* deq ooo */ );
+ svm_fifo_init_ooo_lookup (s->rx_fifo, 0 /* enq ooo */ );
+
hash_set (pm->proxy_session_by_active_open_handle,
ps->vpp_active_open_handle, opaque);
SESSION_IO_EVT_TX);
}
+ if (svm_fifo_max_enqueue (proxy_tx_fifo) <= TCP_MSS)
+ svm_fifo_add_want_deq_ntf (proxy_tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
+
+ return 0;
+}
+
+static int
+active_open_tx_callback (session_t * ao_s)
+{
+ proxy_main_t *pm = &proxy_main;
+ transport_connection_t *tc;
+ session_handle_t handle;
+ proxy_session_t *ps;
+ session_t *proxy_s;
+ u32 min_free;
+ uword *p;
+
+ min_free = clib_min (svm_fifo_size (ao_s->tx_fifo) >> 3, 128 << 10);
+ if (svm_fifo_max_enqueue (ao_s->tx_fifo) < min_free)
+ {
+ svm_fifo_add_want_deq_ntf (ao_s->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
+ return 0;
+ }
+
+ clib_spinlock_lock_if_init (&pm->sessions_lock);
+
+ handle = session_handle (ao_s);
+ p = hash_get (pm->proxy_session_by_active_open_handle, handle);
+ if (!p)
+ return 0;
+
+ if (pool_is_free_index (pm->sessions, p[0]))
+ return 0;
+
+ ps = pool_elt_at_index (pm->sessions, p[0]);
+ if (ps->vpp_server_handle == ~0)
+ return 0;
+
+ proxy_s = session_get_from_handle (ps->vpp_server_handle);
+
+ /* Force ack on proxy side to update rcv wnd */
+ tc = session_get_transport (proxy_s);
+ tcp_send_ack ((tcp_connection_t *) tc);
+
+ clib_spinlock_unlock_if_init (&pm->sessions_lock);
+
return 0;
}
.session_connected_callback = active_open_connected_callback,
.session_accept_callback = active_open_create_callback,
.session_disconnect_callback = active_open_disconnect_callback,
- .builtin_app_rx_callback = active_open_rx_callback
+ .builtin_app_rx_callback = active_open_rx_callback,
+ .builtin_app_tx_callback = active_open_tx_callback,
};
/* *INDENT-ON* */
-
-static void
-create_api_loopbacks (vlib_main_t * vm)
-{
- proxy_main_t *pm = &proxy_main;
- api_main_t *am = vlibapi_get_main ();
- vl_shmem_hdr_t *shmem_hdr;
-
- shmem_hdr = am->shmem_hdr;
- pm->vl_input_queue = shmem_hdr->vl_input_queue;
- pm->server_client_index =
- vl_api_memclnt_create_internal ("proxy_server", pm->vl_input_queue);
- pm->active_open_client_index =
- vl_api_memclnt_create_internal ("proxy_active_open", pm->vl_input_queue);
-}
-
static int
proxy_server_attach ()
{
if (pm->private_segment_size)
segment_size = pm->private_segment_size;
+ a->name = format (0, "proxy-server");
a->api_client_index = pm->server_client_index;
a->session_cb_vft = &proxy_session_cb_vft;
a->options = options;
}
pm->server_app_index = a->app_index;
+ vec_free (a->name);
return 0;
}
a->api_client_index = pm->active_open_client_index;
a->session_cb_vft = &active_open_clients;
+ a->name = format (0, "proxy-active-open");
options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
options[APP_OPTIONS_SEGMENT_SIZE] = 512 << 20;
pm->active_open_app_index = a->app_index;
+ vec_free (a->name);
+
return 0;
}
u32 num_threads;
int i;
- if (pm->server_client_index == (u32) ~ 0)
- create_api_loopbacks (vm);
-
num_threads = 1 /* main thread */ + vtm->n_threads;
vec_validate (proxy_main.server_event_queue, num_threads - 1);
vec_validate (proxy_main.active_open_event_queue, num_threads - 1);
pm->private_segment_count = 0;
pm->private_segment_size = 0;
pm->server_uri = 0;
+ pm->client_uri = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
pm->private_segment_size = tmp;
}
else if (unformat (input, "server-uri %s", &pm->server_uri))
- ;
+ vec_add1 (pm->server_uri, 0);
else if (unformat (input, "client-uri %s", &pm->client_uri))
- pm->client_uri = format (0, "%s%c", pm->client_uri, 0);
+ vec_add1 (pm->client_uri, 0);
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
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