1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
6: * $Id: builtin.c,v 1.7.2.6 2012/05/17 07:53:03 misho Exp $
7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #include "global.h"
47:
48:
49: /* builtin RPC server functions */
50:
51: static int
52: rpcServerClients(rpc_func_t *call, int ic, array_t *iv)
53: {
54: rpc_srv_t *srv;
55: rpc_cli_t *cli;
56: register int i;
57: int len;
58: const char *str = NULL;
59: char *val;
60: ait_val_t v;
61:
62: RPC_CALLBACK_CHECK_INPUT(call);
63: srv = RPC_FUNC_SERVER(call);
64:
65: len = io_arraySize(srv->srv_clients) * STRSIZ;
66: if (!(val = malloc(len))) {
67: LOGERR;
68: return -1;
69: } else
70: memset(val, 0, len);
71:
72: for (i = 0; i < io_arraySize(srv->srv_clients); i++) {
73: cli = io_array(srv->srv_clients, i, rpc_cli_t*);
74: if (!cli)
75: continue;
76:
77: str = io_n2addr(&cli->cli_sa, &v);
78: if (str)
79: strlcat(val, (char*) str, len);
80: else
81: strlcat(val, "0.0.0.0", len);
82: strlcat(val, " ", len);
83: AIT_FREE_VAL(&v);
84: }
85:
86: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), val);
87: free(val);
88: return 0;
89: }
90:
91: static int
92: rpcServerCalls(rpc_func_t *call, int ic, array_t *iv)
93: {
94: rpc_srv_t *srv;
95: rpc_func_t *f;
96: register int i = 0;
97: int len;
98: char *val, str[MAXPATHLEN];
99:
100: RPC_CALLBACK_CHECK_INPUT(call);
101: srv = RPC_FUNC_SERVER(call);
102:
103: TAILQ_FOREACH(f, &srv->srv_funcs, func_node)
104: i++;
105: len = i * STRSIZ;
106:
107: if (!(val = malloc(len))) {
108: LOGERR;
109: return -1;
110: } else
111: memset(val, 0, len);
112:
113: TAILQ_FOREACH(f, &srv->srv_funcs, func_node)
114: if (AIT_ADDR(&f->func_name)) {
115: memset(str, 0, sizeof str);
116: snprintf(str, sizeof str, "/%hu/0x%p(%d); ", AIT_KEY(&f->func_name),
117: AIT_ADDR(&f->func_name), io_arraySize(RPC_FUNC_RETVARS(f)));
118: strlcat(val, str, len);
119: }
120:
121: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), val);
122: free(val);
123: return 0;
124: }
125:
126: static int
127: rpcServerSessions(rpc_func_t *call, int ic, array_t *iv)
128: {
129: rpc_srv_t *srv;
130: ait_val_t *v;
131:
132: RPC_CALLBACK_CHECK_INPUT(call);
133: srv = RPC_FUNC_SERVER(call);
134:
135: v = io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*);
136: AIT_SET_U8(v, srv->srv_session.sess_version);
137: v = io_array(RPC_FUNC_RETVARS(call), 1, ait_val_t*);
138: AIT_SET_U32(v, srv->srv_session.sess_program);
139: v = io_array(RPC_FUNC_RETVARS(call), 2, ait_val_t*);
140: AIT_SET_U8(v, srv->srv_session.sess_process);
141: v = io_array(RPC_FUNC_RETVARS(call), 3, ait_val_t*);
142: AIT_SET_I32(v, io_arraySize(srv->srv_clients));
143:
144: return 0;
145: }
146:
147: static int
148: rpcServerShutdown(rpc_func_t *call, int ic, array_t *iv)
149: {
150: rpc_srv_t *srv;
151:
152: RPC_CALLBACK_CHECK_INPUT(call);
153: srv = RPC_FUNC_SERVER(call);
154:
155: srv->srv_kill = 1;
156:
157: return 0;
158: }
159:
160: static int
161: rpcServerPing(rpc_func_t *call, int ic, array_t *iv)
162: {
163: rpc_srv_t *srv;
164:
165: srv = RPC_FUNC_SERVER(call);
166:
167: return 0;
168: }
169:
170: /* ---------------------------------------------------- */
171:
172: static int
173: rpcBLOBServerShutdown(rpc_func_t *call, int ic, array_t *iv)
174: {
175: rpc_srv_t *srv;
176:
177: RPC_CALLBACK_CHECK_INPUT(call);
178: srv = RPC_FUNC_SERVER(call);
179:
180: srv->srv_blob.kill = 1;
181:
182: return 0;
183: }
184:
185: static int
186: rpcBLOBServerVars(rpc_func_t *call, int ic, array_t *iv)
187: {
188: rpc_srv_t *srv;
189: rpc_blob_t *b;
190: register int i = 0;
191: char *val, str[64];
192: int len;
193:
194: RPC_CALLBACK_CHECK_INPUT(call);
195: srv = RPC_FUNC_SERVER(call);
196:
197: if (srv->srv_blob.kill) {
198: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), "BLOB Server is killed");
199: return 1;
200: }
201:
202: TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node)
203: i++;
204: len = i * sizeof str;
205:
206: if (!len) {
207: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), "");
208: return 0;
209: }
210:
211: if (!(val = malloc(len))) {
212: LOGERR;
213: return -1;
214: } else
215: memset(val, 0, len);
216:
217: TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node) {
218: memset(str, 0, sizeof str);
219: snprintf(str, sizeof str, "0x%0X(%lu)=%p ", b->blob_var, (u_long) b->blob_len, b->blob_data);
220: strlcat(val, str, len);
221: }
222:
223: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), val);
224: free(val);
225: return 0;
226: }
227:
228: static int
229: rpcBLOBServerClients(rpc_func_t *call, int ic, array_t *iv)
230: {
231: rpc_srv_t *srv;
232: rpc_cli_t *cli;
233: register int i;
234: int len;
235: const char *str = NULL;
236: char *val;
237: ait_val_t v;
238:
239: RPC_CALLBACK_CHECK_INPUT(call);
240: srv = RPC_FUNC_SERVER(call);
241:
242: if (srv->srv_blob.kill) {
243: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), "BLOB Server is killed");
244: return 1;
245: }
246:
247: len = io_arraySize(srv->srv_blob.clients) * STRSIZ;
248: if (!(val = malloc(len))) {
249: LOGERR;
250: return -1;
251: } else
252: memset(val, 0, len);
253:
254: for (i = 0; i < io_arraySize(srv->srv_clients); i++) {
255: cli = io_array(srv->srv_blob.clients, i, rpc_cli_t*);
256: if (!cli)
257: continue;
258:
259: str = io_n2addr(&cli->cli_sa, &v);
260: if (str)
261: strlcat(val, (char*) str, len);
262: else
263: strlcat(val, "0.0.0.0", len);
264: strlcat(val, " ", len);
265: AIT_FREE_VAL(&v);
266: }
267:
268: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), val);
269: free(val);
270: return 0;
271: }
272:
273: /* ----------------------------------------------------------------- */
274:
275: /*
276: * rpc_register_srvServices() - Register internal service functions
277: *
278: * @srv = RPC server instance
279: * return: -1 error or 0 ok
280: */
281: int
282: rpc_register_srvServices(rpc_srv_t * __restrict srv)
283: {
284: if (!srv)
285: return -1;
286:
287: if (rpc_srv_registerCall(srv, CALL_SRVSHUTDOWN, rpcServerShutdown, 0) < 1)
288: return -1;
289: if (rpc_srv_registerCall(srv, CALL_SRVCLIENTS, rpcServerClients, 1) < 1)
290: return -1;
291: if (rpc_srv_registerCall(srv, CALL_SRVSESSIONS, rpcServerSessions, 4) < 1)
292: return -1;
293: if (rpc_srv_registerCall(srv, CALL_SRVCALLS, rpcServerCalls, 1) < 1)
294: return -1;
295:
296: return 0;
297: }
298:
299: /*
300: * rpc_register_blobServices() - Register internal service functions
301: *
302: * @srv = RPC server instance
303: * return: -1 error or 0 ok
304: */
305: int
306: rpc_register_blobServices(rpc_srv_t * __restrict srv)
307: {
308: if (!srv)
309: return -1;
310:
311: if (rpc_srv_registerCall(srv, CALL_BLOBSHUTDOWN, rpcBLOBServerShutdown, 0) < 1)
312: return -1;
313: if (rpc_srv_registerCall(srv, CALL_BLOBCLIENTS, rpcBLOBServerClients, 1) < 1)
314: return -1;
315: if (rpc_srv_registerCall(srv, CALL_BLOBVARS, rpcBLOBServerVars, 1) < 1)
316: return -1;
317:
318: return 0;
319: }
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