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gerrit.nordix.org / fdio / vpp / 17d2c4f78526cbc9b8b0cb0815371454299ac4f4 / . / src / vlibapi / vat_helper_macros.h
blob: fd2e563512fa040baba31e0fe756fc6b72022291 [file] [log] [blame]
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]1/*
2 *------------------------------------------------------------------
3 * vat_helper_macros.h - collect api client helper macros in one place
4 *
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
18 */
19#ifndef __vat_helper_macros_h__
20#define __vat_helper_macros_h__
21
22/* M: construct, but don't yet send a message */
Jon Loeliger614e97d2017-01-31 13:47:08 -0600[diff] [blame]23#define M(T, mp) \
Dave Barach2d6b2d62017-01-25 16:32:08 -0500[diff] [blame]24do { \
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]25 socket_client_main_t *scm = &vam->socket_client_main; \
Dave Barach2d6b2d62017-01-25 16:32:08 -0500[diff] [blame]26 vam->result_ready = 0; \
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]27 if (scm->socket_enable) \
28 { \
29 mp = (void *)scm->socket_tx_buffer; \
30 scm->socket_tx_nbytes = sizeof (*mp); \
31 } \
32 else \
33 mp = vl_msg_api_alloc_as_if_client(sizeof(*mp)); \
Dave Barach2d6b2d62017-01-25 16:32:08 -0500[diff] [blame]34 memset (mp, 0, sizeof (*mp)); \
35 mp->_vl_msg_id = ntohs (VL_API_##T+__plugin_msg_base); \
36 mp->client_index = vam->my_client_index; \
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]37} while(0);
38
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]39/* MPING: construct a control-ping message, don't send it yet */
40#define MPING(T, mp) \
41do { \
42 socket_client_main_t *scm = &vam->socket_client_main; \
43 vam->result_ready = 0; \
44 if (scm->socket_enable) \
45 { \
46 mp = (void *)scm->socket_tx_buffer; \
47 scm->socket_tx_nbytes = sizeof (*mp); \
48 } \
49 else \
50 mp = vl_msg_api_alloc_as_if_client(sizeof(*mp)); \
51 memset (mp, 0, sizeof (*mp)); \
52 mp->_vl_msg_id = ntohs (VL_API_##T+__plugin_msg_base); \
53 mp->client_index = vam->my_client_index; \
54 scm->control_pings_outstanding++; \
55} while(0);
56
Jon Loeliger614e97d2017-01-31 13:47:08 -0600[diff] [blame]57#define M2(T, mp, n) \
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]58do { \
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]59 socket_client_main_t *scm = &vam->socket_client_main; \
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]60 vam->result_ready = 0; \
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]61 if (scm->socket_enable) \
62 { \
63 mp = (void *)scm->socket_tx_buffer; \
64 scm->socket_tx_nbytes = sizeof (*mp) + n; \
65 } \
66 else \
67 mp = vl_msg_api_alloc_as_if_client(sizeof(*mp) + n); \
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]68 memset (mp, 0, sizeof (*mp)); \
Dave Barach2d6b2d62017-01-25 16:32:08 -0500[diff] [blame]69 mp->_vl_msg_id = ntohs (VL_API_##T+__plugin_msg_base); \
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]70 mp->client_index = vam->my_client_index; \
71} while(0);
72
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]73/* S: send a message */
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]74#define S(mp) \
75do { \
76 int n; \
77 socket_client_main_t *scm = &vam->socket_client_main; \
78 if (scm->socket_enable) \
79 { \
Chris Lukee9aebf92017-10-04 13:59:14 -0400[diff] [blame]80 msgbuf_t msgbuf = \
81 { \
82 .q = 0, \
83 .gc_mark_timestamp = 0, \
84 .data_len = htonl(scm->socket_tx_nbytes), \
85 }; \
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]86 \
Chris Lukee9aebf92017-10-04 13:59:14 -0400[diff] [blame]87 /* coverity[UNINIT] */ \
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]88 n = write (scm->socket_fd, &msgbuf, sizeof (msgbuf)); \
89 if (n < sizeof (msgbuf)) \
90 clib_unix_warning ("socket write (msgbuf)"); \
91 \
92 n = write (scm->socket_fd, scm->socket_tx_buffer, \
93 scm->socket_tx_nbytes); \
94 if (n < scm->socket_tx_nbytes) \
95 clib_unix_warning ("socket write (msg)"); \
96 } \
97 else \
98 vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp); \
99 } while (0);
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]100
101/* W: wait for results, with timeout */
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]102#define W(ret) \
103do { \
104 f64 timeout = vat_time_now (vam) + 1.0; \
105 socket_client_main_t *scm = &vam->socket_client_main; \
106 ret = -99; \
107 \
108 vl_socket_client_read_reply (scm); \
109 while (vat_time_now (vam) < timeout) { \
110 if (vam->result_ready == 1) { \
111 ret = vam->retval; \
112 break; \
113 } \
114 vat_suspend (vam->vlib_main, 1e-5); \
115 } \
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]116} while(0);
117
118/* W2: wait for results, with timeout */
Dave Barach59b25652017-09-10 15:04:27 -0400[diff] [blame]119#define W2(ret, body) \
120do { \
121 f64 timeout = vat_time_now (vam) + 1.0; \
122 socket_client_main_t *scm = &vam->socket_client_main; \
123 ret = -99; \
124 \
125 vl_socket_client_read_reply (scm); \
126 while (vat_time_now (vam) < timeout) { \
127 if (vam->result_ready == 1) { \
128 (body); \
129 ret = vam->retval; \
130 break; \
131 } \
132 vat_suspend (vam->vlib_main, 1e-5); \
133 } \
Dave Barachfe6bdfd2017-01-20 19:50:09 -0500[diff] [blame]134} while(0);
135
136
137#endif /* __vat_helper_macros_h__ */