2 *------------------------------------------------------------------
5 * Copyright (c) 2009 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:
10 * http://www.apache.org/licenses/LICENSE-2.0
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 *------------------------------------------------------------------
20 #include <sys/types.h>
21 #include <sys/socket.h>
23 #include <netinet/in.h>
24 #include <sys/ioctl.h>
25 #include <vppinfra/byte_order.h>
31 #include <vlibmemory/api.h>
32 #include <vlibsocket/api.h>
34 #include <vlibsocket/vl_socket_msg_enum.h>
36 #define vl_typedefs /* define message structures */
37 #include <vlibsocket/vl_socket_api_h.h>
40 /* instantiate all the print functions we know about */
41 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
43 #include <vlibsocket/vl_socket_api_h.h>
46 /* instantiate all the endian swap functions we know about */
48 #include <vlibsocket/vl_socket_api_h.h>
51 static void vl_api_sockclnt_create_reply_t_handler (
52 vl_api_sockclnt_create_reply_t *mp)
54 vl_api_registration_t *rp = socket_main.current_rp;
56 rp->server_handle = mp->handle;
57 rp->server_index = mp->index;
60 static void vl_api_sockclnt_delete_reply_t_handler (
61 vl_api_sockclnt_delete_reply_t *mp)
63 unix_main_t *um = &unix_main;
64 unix_file_t *uf = socket_main.current_uf;
65 vl_api_registration_t *rp = socket_main.current_rp;
67 unix_file_del (um, uf);
68 vl_free_socket_registration_index (rp->vl_api_registration_pool_index);
71 u32 sockclnt_open_index (char *client_name, char *hostname, int port)
73 vl_api_registration_t * rp;
74 unix_main_t * um = &unix_main;
75 unix_file_t template = {0};
79 struct sockaddr_in serv_addr;
80 struct hostent *server;
81 vl_api_sockclnt_create_t *mp;
84 server = gethostbyname(hostname);
86 clib_warning("Couldn't translate server name %s", hostname);
90 /* Set up non-blocking server socket on CLIENT_API_SERVER_PORT */
91 sockfd = socket(AF_INET, SOCK_STREAM, 0);
94 clib_unix_warning ("socket");
98 bzero((char *) &serv_addr, sizeof(serv_addr));
99 serv_addr.sin_family = AF_INET;
100 bcopy((char *)server->h_addr,
101 (char *)&serv_addr.sin_addr.s_addr,
103 serv_addr.sin_port = htons(port);
105 if (connect(sockfd,(const void *)&serv_addr,sizeof(serv_addr)) < 0) {
106 clib_unix_warning("Connect failure to (%s, %d)",
111 rv = ioctl (sockfd, FIONBIO, &one);
113 clib_unix_warning ("FIONBIO");
117 pool_get (socket_main.registration_pool, rp);
118 memset(rp, 0, sizeof(*rp));
119 rp->registration_type = REGISTRATION_TYPE_SOCKET_CLIENT;
120 rp->vl_api_registration_pool_index = rp - socket_main.registration_pool;
122 template.read_function = vl_socket_read_ready;
123 template.write_function = vl_socket_write_ready;
124 template.file_descriptor = sockfd;
125 template.private_data = rp - socket_main.registration_pool;
127 rp->unix_file_index = unix_file_add (um, &template);
128 rp->name = format(0, "%s:%d", hostname, port);
130 mp = vl_msg_api_alloc (sizeof (*mp));
131 mp->_vl_msg_id = ntohs(VL_API_SOCKCLNT_CREATE);
132 mp->context = rp - socket_main.registration_pool;
134 if (gethostname(my_hostname, sizeof (my_hostname)) < 0) {
135 clib_unix_warning("gethostname");
136 strncpy (my_hostname, "unknown!", sizeof(my_hostname)-1);
138 strncpy ((char *)mp->name, my_hostname, sizeof (mp->name)-1);
140 vl_msg_api_send (rp, (u8 *)mp);
141 return rp - socket_main.registration_pool;
144 void sockclnt_close_index (u32 index)
146 vl_api_sockclnt_delete_t *mp;
147 vl_api_registration_t *rp;
149 /* Don't crash / assert if fed garbage */
150 if (pool_is_free_index (socket_main.registration_pool, index)) {
151 clib_warning ("registration_pool index %d already free", index);
154 rp = pool_elt_at_index(socket_main.registration_pool, index);
156 mp = vl_msg_api_alloc (sizeof (*mp));
157 mp->_vl_msg_id = ntohs(VL_API_SOCKCLNT_DELETE);
158 mp->handle = rp->server_handle;
159 mp->index = rp->server_index;
160 vl_msg_api_send (rp, (u8 *)mp);
163 vl_api_registration_t *sockclnt_get_registration (u32 index)
165 return pool_elt_at_index (socket_main.registration_pool, index);
169 * Both rx and tx msgs MUST be initialized, or we'll have
170 * precisely no idea how many bytes to write into the API trace...
172 #define foreach_sockclnt_api_msg \
173 _(SOCKCLNT_CREATE_REPLY, sockclnt_create_reply) \
174 _(SOCKCLNT_DELETE_REPLY, sockclnt_delete_reply)
177 static clib_error_t *
178 sockclnt_vlib_api_init (vlib_main_t *vm)
181 vl_msg_api_set_handlers(VL_API_##N, #n, \
182 vl_api_##n##_t_handler, \
184 vl_api_##n##_t_endian, \
185 vl_api_##n##_t_print, \
186 sizeof(vl_api_##n##_t), 1);
187 foreach_sockclnt_api_msg;
192 VLIB_API_INIT_FUNCTION(sockclnt_vlib_api_init);