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 1.7.2.8 2012/05/17 08:45:08 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, struct tagRPCCall *rpc, 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, struct tagRPCCall *rpc, 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_getVars(RPC_FUNC_RETVARS(call), 0), val);
122: free(val);
123: return 0;
124: }
125:
126: static int
127: rpcServerSessions(rpc_func_t *call, struct tagRPCCall *rpc, 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, struct tagRPCCall *rpc, 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, struct tagRPCCall *rpc, array_t *iv)
162: {
163: if (rpc->call_req.flags == RPC_REPLY)
164: AIT_SET_U16(io_getVars(RPC_FUNC_RETVARS(call), 0), ntohs(rpc->call_seq));
165:
166: return 0;
167: }
168:
169: /* ---------------------------------------------------- */
170:
171: static int
172: rpcBLOBServerShutdown(rpc_func_t *call, struct tagRPCCall *rpc, array_t *iv)
173: {
174: rpc_srv_t *srv;
175:
176: RPC_CALLBACK_CHECK_INPUT(call);
177: srv = RPC_FUNC_SERVER(call);
178:
179: srv->srv_blob.kill = 1;
180:
181: return 0;
182: }
183:
184: static int
185: rpcBLOBServerVars(rpc_func_t *call, struct tagRPCCall *rpc, array_t *iv)
186: {
187: rpc_srv_t *srv;
188: rpc_blob_t *b;
189: register int i = 0;
190: char *val, str[64];
191: int len;
192:
193: RPC_CALLBACK_CHECK_INPUT(call);
194: srv = RPC_FUNC_SERVER(call);
195:
196: if (srv->srv_blob.kill) {
197: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), "BLOB Server is killed");
198: return 1;
199: }
200:
201: TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node)
202: i++;
203: len = i * sizeof str;
204:
205: if (!len) {
206: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), "");
207: return 0;
208: }
209:
210: if (!(val = malloc(len))) {
211: LOGERR;
212: return -1;
213: } else
214: memset(val, 0, len);
215:
216: TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node) {
217: memset(str, 0, sizeof str);
218: snprintf(str, sizeof str, "0x%0X(%lu)=%p ", b->blob_var, (u_long) b->blob_len, b->blob_data);
219: strlcat(val, str, len);
220: }
221:
222: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), val);
223: free(val);
224: return 0;
225: }
226:
227: static int
228: rpcBLOBServerClients(rpc_func_t *call, struct tagRPCCall *rpc, array_t *iv)
229: {
230: rpc_srv_t *srv;
231: rpc_cli_t *cli;
232: register int i;
233: int len;
234: const char *str = NULL;
235: char *val;
236: ait_val_t v;
237:
238: RPC_CALLBACK_CHECK_INPUT(call);
239: srv = RPC_FUNC_SERVER(call);
240:
241: if (srv->srv_blob.kill) {
242: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), "BLOB Server is killed");
243: return 1;
244: }
245:
246: len = io_arraySize(srv->srv_blob.clients) * STRSIZ;
247: if (!(val = malloc(len))) {
248: LOGERR;
249: return -1;
250: } else
251: memset(val, 0, len);
252:
253: for (i = 0; i < io_arraySize(srv->srv_clients); i++) {
254: cli = io_array(srv->srv_blob.clients, i, rpc_cli_t*);
255: if (!cli)
256: continue;
257:
258: str = io_n2addr(&cli->cli_sa, &v);
259: if (str)
260: strlcat(val, (char*) str, len);
261: else
262: strlcat(val, "0.0.0.0", len);
263: strlcat(val, " ", len);
264: AIT_FREE_VAL(&v);
265: }
266:
267: AIT_SET_STR(io_array(RPC_FUNC_RETVARS(call), 0, ait_val_t*), val);
268: free(val);
269: return 0;
270: }
271:
272: /* ----------------------------------------------------------------- */
273:
274: /*
275: * rpc_register_srvPing() - Register ping service function
276: *
277: * @srv = RPC server instance
278: * return: -1 error or 0 ok
279: */
280: inline int
281: rpc_register_srvPing(rpc_srv_t * __restrict srv)
282: {
283: if (!srv)
284: return -1;
285:
286: if (rpc_srv_registerCall(srv, CALL_SRVPING, rpcServerPing, 1) < 1)
287: return -1;
288:
289: return 0;
290: }
291:
292: /*
293: * rpc_register_srvServices() - Register internal service functions
294: *
295: * @srv = RPC server instance
296: * return: -1 error or 0 ok
297: */
298: int
299: rpc_register_srvServices(rpc_srv_t * __restrict srv)
300: {
301: if (!srv)
302: return -1;
303:
304: if (rpc_srv_registerCall(srv, CALL_SRVSHUTDOWN, rpcServerShutdown, 0) < 1)
305: return -1;
306: if (rpc_srv_registerCall(srv, CALL_SRVCLIENTS, rpcServerClients, 1) < 1)
307: return -1;
308: if (rpc_srv_registerCall(srv, CALL_SRVSESSIONS, rpcServerSessions, 4) < 1)
309: return -1;
310: if (rpc_srv_registerCall(srv, CALL_SRVCALLS, rpcServerCalls, 1) < 1)
311: return -1;
312:
313: return 0;
314: }
315:
316: /*
317: * rpc_register_blobServices() - Register internal service functions
318: *
319: * @srv = RPC server instance
320: * return: -1 error or 0 ok
321: */
322: int
323: rpc_register_blobServices(rpc_srv_t * __restrict srv)
324: {
325: if (!srv)
326: return -1;
327:
328: if (rpc_srv_registerCall(srv, CALL_BLOBSHUTDOWN, rpcBLOBServerShutdown, 0) < 1)
329: return -1;
330: if (rpc_srv_registerCall(srv, CALL_BLOBCLIENTS, rpcBLOBServerClients, 1) < 1)
331: return -1;
332: if (rpc_srv_registerCall(srv, CALL_BLOBVARS, rpcBLOBServerVars, 1) < 1)
333: return -1;
334:
335: return 0;
336: }
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