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-rw-r--r--src/vcl/vppcom.h171
1 files changed, 171 insertions, 0 deletions
diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
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+++ b/src/vcl/vppcom.h
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+/*
+ * Copyright (c) 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.
+ */
+
+#ifndef included_vppcom_h
+#define included_vppcom_h
+
+#include <netdb.h>
+#include <errno.h>
+#include <sys/epoll.h>
+
+/*
+ * VPPCOM Public API Definitions, Enums, and Data Structures
+ */
+#define INVALID_SESSION_ID (~0)
+#define VPPCOM_VRF_DEFAULT 0
+#define VPPCOM_CONF_ENV "VPPCOM_CONF"
+#define VPPCOM_CONF_DEFAULT "/etc/vpp/vppcom.conf"
+
+typedef enum
+{
+ VPPCOM_PROTO_TCP = 0,
+ VPPCOM_PROTO_UDP,
+} vppcom_proto_t;
+
+typedef enum
+{
+ VPPCOM_IS_IP6 = 0,
+ VPPCOM_IS_IP4,
+} vppcom_is_ip4_t;
+
+typedef struct vppcom_endpt_t_
+{
+ uint32_t vrf;
+ uint8_t is_cut_thru;
+ uint8_t is_ip4;
+ uint8_t *ip;
+ uint16_t port;
+} vppcom_endpt_t;
+
+typedef enum
+{
+ VPPCOM_OK = 0,
+ VPPCOM_EAGAIN = -EAGAIN,
+ VPPCOM_EINVAL = -EINVAL,
+ VPPCOM_EBADFD = -EBADFD,
+ VPPCOM_EAFNOSUPPORT = -EAFNOSUPPORT,
+ VPPCOM_ECONNRESET = -ECONNRESET,
+ VPPCOM_ECONNREFUSED = -ECONNREFUSED,
+ VPPCOM_ETIMEDOUT = -ETIMEDOUT,
+} vppcom_error_t;
+
+typedef enum
+{
+ VPPCOM_ATTR_GET_NREAD,
+ VPPCOM_ATTR_PEEK_NREAD,
+ VPPCOM_ATTR_GET_FLAGS,
+ VPPCOM_ATTR_SET_FLAGS,
+ VPPCOM_ATTR_GET_LCL_ADDR,
+ VPPCOM_ATTR_GET_PEER_ADDR,
+ VPPCOM_ATTR_SET_REUSEADDR,
+ VPPCOM_ATTR_SET_BROADCAST,
+ VPPCOM_ATTR_SET_V6ONLY,
+ VPPCOM_ATTR_SET_KEEPALIVE,
+ VPPCOM_ATTR_SET_TCP_KEEPIDLE,
+ VPPCOM_ATTR_SET_TCP_KEEPINTVL,
+} vppcom_attr_op_t;
+
+/*
+ * VPPCOM Public API Functions
+ */
+static inline const char *
+vppcom_retval_str (int retval)
+{
+ char *st;
+
+ switch (retval)
+ {
+ case VPPCOM_OK:
+ st = "VPPCOM_OK";
+ break;
+
+ case VPPCOM_EAGAIN:
+ st = "VPPCOM_EAGAIN";
+ break;
+
+ case VPPCOM_EINVAL:
+ st = "VPPCOM_EINVAL";
+ break;
+
+ case VPPCOM_EBADFD:
+ st = "VPPCOM_EBADFD";
+ break;
+
+ case VPPCOM_EAFNOSUPPORT:
+ st = "VPPCOM_EAFNOSUPPORT";
+ break;
+
+ case VPPCOM_ECONNRESET:
+ st = "VPPCOM_ECONNRESET";
+ break;
+
+ case VPPCOM_ECONNREFUSED:
+ st = "VPPCOM_ECONNREFUSED";
+ break;
+
+ case VPPCOM_ETIMEDOUT:
+ st = "VPPCOM_ETIMEDOUT";
+ break;
+
+ default:
+ st = "UNKNOWN_STATE";
+ break;
+ }
+
+ return st;
+}
+
+/* TBD: make these constructor/destructor function */
+extern int vppcom_app_create (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_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,
+ vppcom_endpt_t * client_ep,
+ double wait_for_time);
+
+extern int vppcom_session_connect (uint32_t session_index,
+ vppcom_endpt_t * server_ep);
+extern int vppcom_session_read (uint32_t session_index, void *buf, int n);
+extern int vppcom_session_write (uint32_t session_index, void *buf, int 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_epoll_create (void);
+extern int vppcom_epoll_ctl (uint32_t vep_idx, int op,
+ uint32_t session_index,
+ struct epoll_event *event);
+extern int vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
+ int maxevents, double wait_for_time);
+extern int vppcom_session_attr (uint32_t session_index, uint32_t op,
+ void *buffer, uint32_t * buflen);
+
+#endif /* included_vppcom_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */