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-rw-r--r--src/plugins/hs_apps/sapi/quic_echo.h246
1 files changed, 246 insertions, 0 deletions
diff --git a/src/plugins/hs_apps/sapi/quic_echo.h b/src/plugins/hs_apps/sapi/quic_echo.h
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index 00000000000..aec56d077f0
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+++ b/src/plugins/hs_apps/sapi/quic_echo.h
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+/*
+ * Copyright (c) 2019 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 <stdio.h>
+#include <signal.h>
+
+#include <vnet/session/application_interface.h>
+
+#define vl_typedefs /* define message structures */
+#include <vpp/api/vpe_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun /* define message structures */
+#include <vpp/api/vpe_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <vpp/api/vpe_all_api_h.h>
+#undef vl_printfun
+
+#define NITER 4000000
+#define TIMEOUT 10.0
+
+#define CHECK(expected, result, _fmt, _args...) \
+ if (expected != result) \
+ ECHO_FAIL ("expected %d, got %d : " _fmt, expected, result, ##_args);
+
+#define ECHO_FAIL(_fmt,_args...) \
+ { \
+ echo_main_t *em = &echo_main; \
+ em->has_failed = 1; \
+ em->time_to_stop = 1; \
+ if (em->log_lvl > 0) \
+ clib_warning ("ECHO-ERROR: "_fmt, ##_args); \
+ }
+
+#define ECHO_LOG(lvl, _fmt,_args...) \
+ { \
+ echo_main_t *em = &echo_main; \
+ if (em->log_lvl > lvl) \
+ clib_warning (_fmt, ##_args); \
+ }
+
+typedef struct
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+#define _(type, name) type name;
+ foreach_app_session_field
+#undef _
+ u64 vpp_session_handle;
+ u64 bytes_sent;
+ u64 bytes_to_send;
+ volatile u64 bytes_received;
+ volatile u64 bytes_to_receive;
+ f64 start;
+ u32 listener_index; /* listener index in echo session pool */
+ u32 idle_cycles; /* consecutive enq/deq with no data */
+ volatile u64 accepted_session_count; /* sessions we accepted */
+} echo_session_t;
+
+typedef enum
+{
+ ECHO_NO_DATA_SOURCE,
+ ECHO_TEST_DATA_SOURCE,
+ ECHO_RX_DATA_SOURCE,
+ ECHO_INVALID_DATA_SOURCE
+} data_source_t;
+
+enum echo_close_f_t
+{
+ ECHO_CLOSE_F_INVALID = 0,
+ ECHO_CLOSE_F_PASSIVE, /* wait for close msg */
+ ECHO_CLOSE_F_ACTIVE, /* send close msg */
+ ECHO_CLOSE_F_NONE, /* don't bother sending close msg */
+};
+
+enum quic_session_type_t
+{
+ QUIC_SESSION_TYPE_QUIC,
+ QUIC_SESSION_TYPE_STREAM,
+ QUIC_SESSION_TYPE_LISTEN,
+};
+
+enum quic_session_state_t
+{
+ QUIC_SESSION_STATE_INITIAL,
+ QUIC_SESSION_STATE_READY,
+ QUIC_SESSION_STATE_AWAIT_CLOSING, /* Data transfer is done, wait for close evt */
+ QUIC_SESSION_STATE_AWAIT_DATA, /* Peer closed, wait for outstanding data */
+ QUIC_SESSION_STATE_CLOSING, /* told vpp to close */
+ QUIC_SESSION_STATE_CLOSED, /* closed in vpp */
+};
+
+typedef enum
+{
+ STATE_START,
+ STATE_ATTACHED,
+ STATE_LISTEN,
+ STATE_READY,
+ STATE_DATA_DONE,
+ STATE_DISCONNECTED,
+ STATE_DETACHED
+} connection_state_t;
+
+typedef enum echo_test_evt_
+{
+ ECHO_EVT_START = 1, /* app starts */
+ ECHO_EVT_FIRST_QCONNECT = (1 << 1), /* First connect Quic session sent */
+ ECHO_EVT_LAST_QCONNECTED = (1 << 2), /* All Quic session are connected */
+ ECHO_EVT_FIRST_SCONNECT = (1 << 3), /* First connect Stream session sent */
+ ECHO_EVT_LAST_SCONNECTED = (1 << 4), /* All Stream session are connected */
+ ECHO_EVT_LAST_BYTE = (1 << 5), /* Last byte received */
+ ECHO_EVT_EXIT = (1 << 6), /* app exits */
+} echo_test_evt_t;
+
+typedef struct _quic_echo_cb_vft
+{
+ void (*quic_connected_cb) (session_connected_msg_t * mp, u32 session_index);
+ void (*client_stream_connected_cb) (session_connected_msg_t * mp,
+ u32 session_index);
+ void (*server_stream_connected_cb) (session_connected_msg_t * mp,
+ u32 session_index);
+ void (*quic_accepted_cb) (session_accepted_msg_t * mp, u32 session_index);
+ void (*client_stream_accepted_cb) (session_accepted_msg_t * mp,
+ u32 session_index);
+ void (*server_stream_accepted_cb) (session_accepted_msg_t * mp,
+ u32 session_index);
+} quic_echo_cb_vft_t;
+
+
+typedef enum
+{
+ RETURN_PACKETS_NOTEST,
+ RETURN_PACKETS_LOG_WRONG,
+ RETURN_PACKETS_ASSERT,
+} test_return_packets_t;
+
+typedef struct teardown_stat_
+{
+ u32 q; /* quic sessions */
+ u32 s; /* stream sessions */
+} teardown_stat_t;
+
+typedef struct
+{
+ svm_queue_t *vl_input_queue; /* vpe input queue */
+ u32 my_client_index; /* API client handle */
+ u8 *uri; /* The URI we're playing with */
+ echo_session_t *sessions; /* Session pool */
+ svm_msg_q_t *our_event_queue; /* Our event queue */
+ clib_time_t clib_time; /* For deadman timers */
+ u8 *socket_name;
+ int i_am_master;
+ u32 listen_session_index; /* Index of vpp listener session */
+
+ uword *session_index_by_vpp_handles; /* Hash table : quic_echo s_id -> vpp s_handle */
+ clib_spinlock_t sid_vpp_handles_lock; /* Hash table lock */
+
+ uword *shared_segment_handles; /* Hash table : segment_names -> 1*/
+ clib_spinlock_t segment_handles_lock; /* Hash table lock */
+ quic_echo_cb_vft_t cb_vft; /* cb vft for QUIC scenarios */
+ svm_msg_q_t *rpc_msq_queue; /* MQ between quic_echo threads */
+ fifo_segment_main_t segment_main;
+
+ /* State of the connection, shared between msg RX thread and main thread */
+ volatile connection_state_t state;
+ volatile u8 time_to_stop; /* Signal variables */
+ u8 has_failed; /* stores the exit code */
+
+ /** Flag that decides if socket, instead of svm, api is used to connect to
+ * vpp. If sock api is used, shm binary api is subsequently bootstrapped
+ * and all other messages are exchanged using shm IPC. */
+ u8 use_sock_api;
+
+ u8 *connect_test_data;
+ u8 test_return_packets;
+ u64 bytes_to_send; /* target per stream */
+ u64 bytes_to_receive; /* target per stream */
+ u32 fifo_size;
+ u32 rx_buf_size;
+ u32 tx_buf_size;
+ data_source_t data_source; /* Use no/dummy/mirrored data */
+ u8 send_quic_disconnects; /* actively send disconnect */
+ u8 send_stream_disconnects; /* actively send disconnect */
+ u8 output_json; /* Output stats as JSON */
+ u8 log_lvl; /* Verbosity of the logging */
+ int max_test_msg; /* Limit the number of incorrect data messages */
+
+ u8 *appns_id;
+ u64 appns_flags;
+ u64 appns_secret;
+
+ pthread_t *data_thread_handles; /* vec of data thread handles */
+ pthread_t mq_thread_handle; /* Message queue thread handle */
+ u32 *data_thread_args;
+
+ u32 n_clients; /* Target number of QUIC sessions */
+ u32 n_stream_clients; /* Target Number of STREAM sessions per QUIC session */
+ volatile u32 n_quic_clients_connected; /* Number of connected QUIC sessions */
+ volatile u32 n_clients_connected; /* Number of STREAM sessions connected */
+ u32 n_rx_threads; /* Number of data threads */
+ volatile u32 nxt_available_sidx; /* next unused prealloced session_index */
+
+ struct {
+ u64 tx_total;
+ u64 rx_total;
+ teardown_stat_t reset_count; /* received reset from vpp */
+ teardown_stat_t close_count; /* received close from vpp */
+ teardown_stat_t active_count; /* sent close to vpp */
+ teardown_stat_t clean_count; /* cleaned up stale session */
+ } stats;
+
+ struct /* Event based timing : start & end depend on CLI specified events */
+ {
+ f64 start_time;
+ f64 end_time;
+ u8 events_sent;
+ u8 start_event;
+ u8 end_event;
+ } timing;
+} echo_main_t;
+
+typedef void (*echo_rpc_t) (void *arg, u32 opaque);
+
+typedef struct
+{
+ void *fp;
+ void *arg;
+ u32 opaque;
+} echo_rpc_msg_t;