/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Copyright (c) 2017-2020 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:
#include <netdb.h>
#include <errno.h>
+#include <sys/fcntl.h>
#include <sys/poll.h>
#include <sys/epoll.h>
+/* *INDENT-OFF* */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* *INDENT-ON* */
+
/*
* VPPCOM Public API Definitions, Enums, and Data Structures
*/
-#define INVALID_SESSION_ID (~0)
-#define VPPCOM_VRF_DEFAULT 0
-#define VPPCOM_CONF_DEFAULT "/etc/vpp/vcl.conf"
-#define VPPCOM_ENV_CONF "VCL_CONFIG"
-#define VPPCOM_ENV_DEBUG "VCL_DEBUG"
-#define VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP "VCL_APP_PROXY_TRANSPORT_TCP"
-#define VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP "VCL_APP_PROXY_TRANSPORT_UDP"
-#define VPPCOM_ENV_APP_NAMESPACE_ID "VCL_APP_NAMESPACE_ID"
-#define VPPCOM_ENV_APP_NAMESPACE_SECRET "VCL_APP_NAMESPACE_SECRET"
-#define VPPCOM_ENV_APP_SCOPE_LOCAL "VCL_APP_SCOPE_LOCAL"
-#define VPPCOM_ENV_APP_SCOPE_GLOBAL "VCL_APP_SCOPE_GLOBAL"
+#define INVALID_SESSION_ID ((u32)~0)
+#define VPPCOM_CONF_DEFAULT "/etc/vpp/vcl.conf"
+#define VPPCOM_ENV_CONF "VCL_CONFIG"
+#define VPPCOM_ENV_DEBUG "VCL_DEBUG"
+#define VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP "VCL_APP_PROXY_TRANSPORT_TCP"
+#define VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP "VCL_APP_PROXY_TRANSPORT_UDP"
+#define VPPCOM_ENV_APP_NAMESPACE_ID "VCL_APP_NAMESPACE_ID"
+#define VPPCOM_ENV_APP_NAMESPACE_SECRET "VCL_APP_NAMESPACE_SECRET"
+#define VPPCOM_ENV_APP_SCOPE_LOCAL "VCL_APP_SCOPE_LOCAL"
+#define VPPCOM_ENV_APP_SCOPE_GLOBAL "VCL_APP_SCOPE_GLOBAL"
+#define VPPCOM_ENV_VPP_API_SOCKET "VCL_VPP_API_SOCKET"
+#define VPPCOM_ENV_VPP_SAPI_SOCKET "VCL_VPP_SAPI_SOCKET"
typedef enum
{
VPPCOM_PROTO_TCP = 0,
VPPCOM_PROTO_UDP,
+ VPPCOM_PROTO_NONE,
+ VPPCOM_PROTO_TLS,
+ VPPCOM_PROTO_QUIC,
} vppcom_proto_t;
-static inline char *
-vppcom_proto_str (vppcom_proto_t proto)
-{
- char *proto_str;
-
- switch (proto)
- {
- case VPPCOM_PROTO_TCP:
- proto_str = "VPPCOM_PROTO_TCP";
- break;
- case VPPCOM_PROTO_UDP:
- proto_str = "VPPCOM_PROTO_UDP";
- break;
- default:
- proto_str = "UNKNOWN";
- break;
- }
- return proto_str;
-}
-
typedef enum
{
VPPCOM_IS_IP6 = 0,
typedef struct vppcom_endpt_t_
{
- uint32_t vrf;
uint8_t is_cut_thru;
uint8_t is_ip4;
uint8_t *ip;
uint16_t port;
+ uint64_t parent_handle;
} vppcom_endpt_t;
+typedef uint32_t vcl_session_handle_t;
+
+typedef struct vppcom_cert_key_pair_
+{
+ char *cert;
+ char *key;
+ uint32_t cert_len;
+ uint32_t key_len;
+} vppcom_cert_key_pair_t;
+
typedef enum
{
VPPCOM_OK = 0,
VPPCOM_EAGAIN = -EAGAIN,
+ VPPCOM_EWOULDBLOCK = -EWOULDBLOCK,
+ VPPCOM_EINPROGRESS = -EINPROGRESS,
VPPCOM_EFAULT = -EFAULT,
VPPCOM_ENOMEM = -ENOMEM,
VPPCOM_EINVAL = -EINVAL,
VPPCOM_ENOTCONN = -ENOTCONN,
VPPCOM_ECONNREFUSED = -ECONNREFUSED,
VPPCOM_ETIMEDOUT = -ETIMEDOUT,
+ VPPCOM_EEXIST = -EEXIST
} vppcom_error_t;
typedef enum
VPPCOM_ATTR_GET_FLAGS,
VPPCOM_ATTR_SET_FLAGS,
VPPCOM_ATTR_GET_LCL_ADDR,
+ VPPCOM_ATTR_SET_LCL_ADDR,
VPPCOM_ATTR_GET_PEER_ADDR,
VPPCOM_ATTR_GET_LIBC_EPFD,
VPPCOM_ATTR_SET_LIBC_EPFD,
VPPCOM_ATTR_SET_TCP_KEEPINTVL,
VPPCOM_ATTR_GET_TCP_USER_MSS,
VPPCOM_ATTR_SET_TCP_USER_MSS,
+ VPPCOM_ATTR_SET_SHUT,
+ VPPCOM_ATTR_GET_SHUT,
+ VPPCOM_ATTR_SET_CONNECTED,
+ VPPCOM_ATTR_SET_CKPAIR,
+ VPPCOM_ATTR_SET_VRF,
+ VPPCOM_ATTR_GET_VRF,
} vppcom_attr_op_t;
typedef struct _vcl_poll
{
uint32_t fds_ndx;
- uint32_t sid;
+ vcl_session_handle_t sh;
short events;
- short *revents;
+ short revents;
} vcl_poll_t;
-/*
- * VPPCOM Public API Functions
- */
-static inline const char *
-vppcom_retval_str (int retval)
+typedef struct vppcom_data_segment_
{
- char *st;
-
- switch (retval)
- {
- case VPPCOM_OK:
- st = "VPPCOM_OK";
- break;
-
- case VPPCOM_EAGAIN:
- st = "VPPCOM_EAGAIN";
- break;
-
- case VPPCOM_EFAULT:
- st = "VPPCOM_EFAULT";
- break;
-
- case VPPCOM_ENOMEM:
- st = "VPPCOM_ENOMEM";
- break;
-
- case VPPCOM_EINVAL:
- st = "VPPCOM_EINVAL";
- break;
-
- case VPPCOM_EBADFD:
- st = "VPPCOM_EBADFD";
- break;
-
- case VPPCOM_EAFNOSUPPORT:
- st = "VPPCOM_EAFNOSUPPORT";
- break;
-
- case VPPCOM_ECONNABORTED:
- st = "VPPCOM_ECONNABORTED";
- break;
-
- case VPPCOM_ECONNRESET:
- st = "VPPCOM_ECONNRESET";
- break;
+ unsigned char *data;
+ uint32_t len;
+} vppcom_data_segment_t;
- case VPPCOM_ENOTCONN:
- st = "VPPCOM_ENOTCONN";
- break;
+typedef vppcom_data_segment_t vppcom_data_segments_t[2];
- case VPPCOM_ECONNREFUSED:
- st = "VPPCOM_ECONNREFUSED";
- break;
+typedef unsigned long vcl_si_set;
- case VPPCOM_ETIMEDOUT:
- st = "VPPCOM_ETIMEDOUT";
- break;
-
- default:
- st = "UNKNOWN_STATE";
- break;
- }
-
- return st;
-}
+/*
+ * VPPCOM Public API Functions
+ */
-/* TBD: make these constructor/destructor function */
-extern int vppcom_app_create (char *app_name);
+extern int vppcom_app_create (const char *app_name);
extern void vppcom_app_destroy (void);
-extern int vppcom_session_create (uint32_t vrf, uint8_t proto,
- uint8_t is_nonblocking);
-extern int vppcom_session_close (uint32_t session_index);
+extern int vppcom_session_create (uint8_t proto, uint8_t is_nonblocking);
+extern int vppcom_session_close (uint32_t session_handle);
+extern int vppcom_session_bind (uint32_t session_handle, vppcom_endpt_t * ep);
+extern int vppcom_session_listen (uint32_t session_handle, uint32_t q_len);
-extern int vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep);
-extern int vppcom_session_listen (uint32_t session_index, uint32_t q_len);
-extern int vppcom_session_accept (uint32_t session_index,
+extern int vppcom_session_accept (uint32_t session_handle,
vppcom_endpt_t * client_ep, uint32_t flags);
-extern int vppcom_session_connect (uint32_t session_index,
+extern int vppcom_session_connect (uint32_t session_handle,
vppcom_endpt_t * server_ep);
-extern int vppcom_session_read (uint32_t session_index, void *buf, size_t n);
-extern int vppcom_session_write (uint32_t session_index, void *buf, size_t n);
-
-extern int vppcom_select (unsigned long n_bits,
- unsigned long *read_map,
- unsigned long *write_map,
- unsigned long *except_map, double wait_for_time);
+extern int vppcom_session_stream_connect (uint32_t session_handle,
+ uint32_t parent_session_handle);
+extern int vppcom_session_read (uint32_t session_handle, void *buf, size_t n);
+extern int vppcom_session_write (uint32_t session_handle, void *buf,
+ size_t n);
+extern int vppcom_session_write_msg (uint32_t session_handle, void *buf,
+ size_t n);
+
+extern int vppcom_select (int n_bits, vcl_si_set * read_map,
+ vcl_si_set * write_map, vcl_si_set * except_map,
+ double wait_for_time);
extern int vppcom_epoll_create (void);
-extern int vppcom_epoll_ctl (uint32_t vep_idx, int op,
- uint32_t session_index,
+extern int vppcom_epoll_ctl (uint32_t vep_handle, int op,
+ uint32_t session_handle,
struct epoll_event *event);
-extern int vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
+extern int vppcom_epoll_wait (uint32_t vep_handle, struct epoll_event *events,
int maxevents, double wait_for_time);
-extern int vppcom_session_attr (uint32_t session_index, uint32_t op,
+extern int vppcom_session_attr (uint32_t session_handle, uint32_t op,
void *buffer, uint32_t * buflen);
-extern int vppcom_session_recvfrom (uint32_t session_index, void *buffer,
+extern int vppcom_session_recvfrom (uint32_t session_handle, void *buffer,
uint32_t buflen, int flags,
vppcom_endpt_t * ep);
-extern int vppcom_session_sendto (uint32_t session_index, void *buffer,
+extern int vppcom_session_sendto (uint32_t session_handle, void *buffer,
uint32_t buflen, int flags,
vppcom_endpt_t * ep);
extern int vppcom_poll (vcl_poll_t * vp, uint32_t n_sids,
double wait_for_time);
+extern int vppcom_mq_epoll_fd (void);
+extern int vppcom_session_index (vcl_session_handle_t session_handle);
+extern int vppcom_session_worker (vcl_session_handle_t session_handle);
+
+extern int vppcom_session_read_segments (uint32_t session_handle,
+ vppcom_data_segment_t * ds,
+ uint32_t n_segments,
+ uint32_t max_bytes);
+extern void vppcom_session_free_segments (uint32_t session_handle,
+ uint32_t n_bytes);
+extern int vppcom_add_cert_key_pair (vppcom_cert_key_pair_t *ckpair);
+extern int vppcom_del_cert_key_pair (uint32_t ckpair_index);
+extern int vppcom_unformat_proto (uint8_t * proto, char *proto_str);
+extern int vppcom_session_is_connectable_listener (uint32_t session_handle);
+extern int vppcom_session_listener (uint32_t session_handle);
+extern int vppcom_session_n_accepted (uint32_t session_handle);
+
+extern const char *vppcom_proto_str (vppcom_proto_t proto);
+extern const char *vppcom_retval_str (int retval);
+
+/**
+ * Request from application to register a new worker
+ *
+ * Expectation is that applications will make use of this after a new pthread
+ * is spawned.
+ */
+extern int vppcom_worker_register (void);
+
+/**
+ * Unregister current worker
+ */
+extern void vppcom_worker_unregister (void);
+
+/**
+ * Retrieve current worker index
+ */
+extern int vppcom_worker_index (void);
+
+/**
+ * Set current worker index
+ */
+extern void vppcom_worker_index_set (int);
+
+/**
+ * Returns the current worker's message queues epoll fd
+ *
+ * This only works if vcl is configured to do eventfd based message queue
+ * notifications.
+ */
+extern int vppcom_worker_mqs_epfd (void);
+
+/* *INDENT-OFF* */
+#ifdef __cplusplus
+}
+#endif
+/* *INDENT-ON* */
#endif /* included_vppcom_h */