File:
[ELWIX - Embedded LightWeight unIX -] /
libaitrpc /
src /
builtin.c
Revision
1.23:
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Wed Jul 22 20:01:46 2015 UTC (8 years, 10 months ago) by
misho
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MAIN
CVS tags:
rpc9_6,
rpc9_5,
rpc9_4,
rpc9_3,
RPC9_5,
RPC9_4,
RPC9_3,
RPC9_2,
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version 9.2
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 1.23 2015/07/22 20:01:46 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 - 2015
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_CALL_STDARGS)
53: {
54: rpc_srv_t *srv;
55: rpc_cli_t *c;
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(cli);
63: srv = RPC_SRV_SERVER(cli);
64:
65: len = array_Size(srv->srv_clients) * STRSIZ;
66: if (!(val = e_malloc(len))) {
67: LOGERR;
68: return -1;
69: } else
70: memset(val, 0, len);
71:
72: for (i = 0; i < array_Size(srv->srv_clients); i++) {
73: c = array(srv->srv_clients, i, rpc_cli_t*);
74: if (!c)
75: continue;
76:
77: str = e_n2addr(&c->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: /* return values */
87: AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
88: e_free(val);
89: return 0;
90: }
91:
92: static int
93: rpcServerCalls(RPC_CALL_STDARGS)
94: {
95: rpc_srv_t *srv;
96: rpc_func_t *f;
97: register int i = 0;
98: int len;
99: char *val, str[MAXPATHLEN];
100:
101: RPC_CALLBACK_CHECK_INPUT(cli);
102: srv = RPC_SRV_SERVER(cli);
103:
104: SLIST_FOREACH(f, &srv->srv_funcs, func_next)
105: i++;
106: len = i * STRSIZ;
107:
108: if (!(val = e_malloc(len))) {
109: LOGERR;
110: return -1;
111: } else
112: memset(val, 0, len);
113:
114: SLIST_FOREACH(f, &srv->srv_funcs, func_next)
115: if (AIT_ADDR(&f->func_name)) {
116: memset(str, 0, sizeof str);
117: snprintf(str, sizeof str, "/%hu/0x%p; ", AIT_KEY(&f->func_name),
118: AIT_ADDR(&f->func_name));
119: strlcat(val, str, len);
120: }
121:
122: /* return variables */
123: AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
124: e_free(val);
125: return 0;
126: }
127:
128: static int
129: rpcServerSessions(RPC_CALL_STDARGS)
130: {
131: rpc_srv_t *srv;
132:
133: RPC_CALLBACK_CHECK_INPUT(cli);
134: srv = RPC_SRV_SERVER(cli);
135:
136: AIT_SET_I32(ait_getVars(&RPC_RETVARS(cli), 2), array_Size(srv->srv_clients));
137: AIT_SET_U8(ait_getVars(&RPC_RETVARS(cli), 0), srv->srv_session.sess_version);
138: AIT_SET_U8(ait_getVars(&RPC_RETVARS(cli), 1), srv->srv_session.sess_instance);
139:
140: return 0;
141: }
142:
143: static int
144: rpcServerShutdown(RPC_CALL_STDARGS)
145: {
146: rpc_srv_t *srv;
147:
148: RPC_CALLBACK_CHECK_INPUT(cli);
149: srv = RPC_SRV_SERVER(cli);
150:
151: srv->srv_blob.kill = 1;
152: if (srv->srv_blob.tid)
153: pthread_kill(srv->srv_blob.tid, SIGFBLOB);
154: srv->srv_kill = 1;
155: return 0;
156: }
157:
158: static int
159: rpcServerPing(RPC_CALL_STDARGS)
160: {
161: if (ntohl((u_long) rpc->call_req.flags) == RPC_REPLY)
162: AIT_SET_U16(ait_getVars(&RPC_RETVARS(cli), 0), random() % USHRT_MAX);
163: return 0;
164: }
165:
166: /* ---------------------------------------------------- */
167:
168: static int
169: rpcBLOBServerShutdown(RPC_CALL_STDARGS)
170: {
171: rpc_srv_t *srv;
172:
173: RPC_CALLBACK_CHECK_INPUT(cli);
174: srv = RPC_SRV_SERVER(cli);
175:
176: rpc_freeBLOBCli(cli);
177:
178: srv->srv_blob.kill = 1;
179: return 0;
180: }
181:
182: static int
183: rpcBLOBServerVars(RPC_CALL_STDARGS)
184: {
185: rpc_srv_t *srv;
186: rpc_blob_t *b;
187: register int i = 0;
188: char *val, str[64];
189: int len;
190:
191: RPC_CALLBACK_CHECK_INPUT(cli);
192: srv = RPC_SRV_SERVER(cli);
193:
194: if (srv->srv_blob.kill) {
195: AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), "BLOB Server is killed");
196: return 1;
197: }
198:
199: TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node)
200: i++;
201: len = i * sizeof str;
202:
203: if (!len) {
204: AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), "");
205: return 0;
206: }
207:
208: if (!(val = e_malloc(len))) {
209: LOGERR;
210: return -1;
211: } else
212: memset(val, 0, len);
213:
214: TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node) {
215: memset(str, 0, sizeof str);
216: snprintf(str, sizeof str, "0x%0X(%lu)=%p ", b->blob_var, (u_long) b->blob_len, b->blob_data);
217: strlcat(val, str, len);
218: }
219:
220: AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
221: e_free(val);
222: return 0;
223: }
224:
225: static int
226: rpcBLOBServerClients(RPC_CALL_STDARGS)
227: {
228: rpc_srv_t *srv;
229: rpc_cli_t *c;
230: register int i;
231: int len;
232: const char *str = NULL;
233: char *val;
234: ait_val_t v;
235:
236: RPC_CALLBACK_CHECK_INPUT(cli);
237: srv = RPC_SRV_SERVER(cli);
238:
239: if (srv->srv_blob.kill) {
240: AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), "BLOB Server is killed");
241: return 1;
242: }
243:
244: len = array_Size(srv->srv_blob.clients) * STRSIZ;
245: if (!(val = e_malloc(len))) {
246: LOGERR;
247: return -1;
248: } else
249: memset(val, 0, len);
250:
251: for (i = 0; i < array_Size(srv->srv_clients); i++) {
252: c = array(srv->srv_blob.clients, i, rpc_cli_t*);
253: if (!c)
254: continue;
255:
256: str = e_n2addr(&c->cli_sa, &v);
257: if (str)
258: strlcat(val, (char*) str, len);
259: else
260: strlcat(val, "0.0.0.0", len);
261: strlcat(val, " ", len);
262: AIT_FREE_VAL(&v);
263: }
264:
265: AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
266: e_free(val);
267: return 0;
268: }
269:
270: /* ----------------------------------------------------------------- */
271:
272: /*
273: * rpc_register_srvPing() - Register ping service function
274: *
275: * @srv = RPC server instance
276: * return: -1 error or 0 ok
277: */
278: int
279: rpc_register_srvPing(rpc_srv_t * __restrict srv)
280: {
281: if (!srv)
282: return -1;
283:
284: if (rpc_srv_registerCall(srv, CALL_SRVPING, rpcServerPing) < 1)
285: return -1;
286:
287: return 0;
288: }
289:
290: /*
291: * rpc_register_srvServices() - Register internal service functions
292: *
293: * @srv = RPC server instance
294: * return: -1 error or 0 ok
295: */
296: int
297: rpc_register_srvServices(rpc_srv_t * __restrict srv)
298: {
299: if (!srv)
300: return -1;
301:
302: if (rpc_srv_registerCall(srv, CALL_SRVSHUTDOWN, rpcServerShutdown) < 1)
303: return -1;
304: if (rpc_srv_registerCall(srv, CALL_SRVCLIENTS, rpcServerClients) < 1)
305: return -1;
306: if (rpc_srv_registerCall(srv, CALL_SRVSESSIONS, rpcServerSessions) < 1)
307: return -1;
308: if (rpc_srv_registerCall(srv, CALL_SRVCALLS, rpcServerCalls) < 1)
309: return -1;
310:
311: return 0;
312: }
313:
314: /*
315: * rpc_register_blobServices() - Register internal service functions
316: *
317: * @srv = RPC server instance
318: * return: -1 error or 0 ok
319: */
320: int
321: rpc_register_blobServices(rpc_srv_t * __restrict srv)
322: {
323: if (!srv)
324: return -1;
325:
326: if (rpc_srv_registerCall(srv, CALL_BLOBSHUTDOWN, rpcBLOBServerShutdown) < 1)
327: return -1;
328: if (rpc_srv_registerCall(srv, CALL_BLOBCLIENTS, rpcBLOBServerClients) < 1)
329: return -1;
330: if (rpc_srv_registerCall(srv, CALL_BLOBVARS, rpcBLOBServerVars) < 1)
331: return -1;
332:
333: return 0;
334: }
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