Annotation of libaitrpc/src/lists.c, revision 1.9.2.4
1.2 misho 1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.9.2.4 ! misho 6: * $Id: lists.c,v 1.9.2.3 2012/05/16 08:10:39 misho Exp $
1.2 misho 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:
1.7 misho 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.2 misho 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: /*
1.7 misho 50: * rpc_srv_registerCall() - Register call to RPC server
51: *
1.2 misho 52: * @srv = RPC Server instance
1.9.2.1 misho 53: * @tag = Function tag
54: * @funcaddr = Function address
55: * return: -1 error, 0 already registered tag or 1 register ok
1.2 misho 56: */
57: int
1.9.2.4 ! misho 58: rpc_srv_registerCall(rpc_srv_t * __restrict srv, u_short tag, void *funcaddr)
1.2 misho 59: {
60: rpc_func_t *func;
61:
1.9.2.1 misho 62: if (!srv || !funcaddr) {
1.7 misho 63: rpc_SetErr(EINVAL, "Invalid parameter can`t register function");
1.2 misho 64: return -1;
1.9.2.1 misho 65: } else {
66: /* search for duplicate */
67: TAILQ_FOREACH(func, &srv->srv_funcs, func_node)
68: if (AIT_KEY(&func->func_name) == tag)
69: return 0;
1.2 misho 70: }
1.9.2.1 misho 71:
1.2 misho 72: if (!(func = malloc(sizeof(rpc_func_t)))) {
73: LOGERR;
74: return -1;
1.9.2.1 misho 75: } else {
1.2 misho 76: memset(func, 0, sizeof(rpc_func_t));
1.9.2.1 misho 77: func->func_parent = srv;
1.2 misho 78: }
79:
1.9.2.1 misho 80: AIT_KEY(&func->func_name) = tag;
81: AIT_SET_PTR(&func->func_name, funcaddr, 0);
1.2 misho 82:
1.7 misho 83: /* add to list of functions */
1.9.2.1 misho 84: TAILQ_INSERT_TAIL(&srv->srv_funcs, func, func_node);
85: return 1;
1.2 misho 86: }
87:
88: /*
1.7 misho 89: * rpc_srv_unregisterCall() - Unregister call from RPC server
90: *
1.2 misho 91: * @srv = RPC Server instance
1.9.2.1 misho 92: * @tag = Function tag
1.2 misho 93: * return: -1 error, 0 not found call, 1 unregister ok
94: */
95: int
1.9.2.1 misho 96: rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, u_short tag)
1.2 misho 97: {
1.9.2.1 misho 98: rpc_func_t *f;
1.2 misho 99:
1.9.2.1 misho 100: if (!srv) {
1.7 misho 101: rpc_SetErr(EINVAL, "Invalid parameter can`t unregister function");
1.2 misho 102: return -1;
1.9.2.1 misho 103: }
1.2 misho 104:
1.9.2.1 misho 105: f = rpc_srv_getCall(srv, tag);
1.9 misho 106: if (!f) /* not found element for unregister */
1.2 misho 107: return 0;
108:
1.9.2.1 misho 109: TAILQ_REMOVE(&srv->srv_funcs, f, func_node);
110:
1.7 misho 111: AIT_FREE_VAL(&f->func_name);
1.5 misho 112: free(f);
1.2 misho 113: return 1;
114: }
115:
116: /*
1.7 misho 117: * rpc_srv_getCall() - Get registered call from RPC server
118: *
1.2 misho 119: * @srv = RPC Server instance
120: * @tag = tag for function
121: * return: NULL not found call, !=NULL return call
122: */
123: inline rpc_func_t *
1.9.2.1 misho 124: rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t tag)
1.2 misho 125: {
1.9.2.1 misho 126: rpc_func_t *f, *tmp;
1.2 misho 127:
128: if (!srv) {
1.7 misho 129: rpc_SetErr(EINVAL, "Invalid parameter can`t get function");
1.2 misho 130: return NULL;
131: }
132:
1.9.2.1 misho 133: TAILQ_FOREACH_SAFE(f, &srv->srv_funcs, func_node, tmp)
134: if (AIT_KEY(&f->func_name) == tag)
1.2 misho 135: break;
136:
137: return f;
138: }
139:
1.9.2.1 misho 140: /* --------------------------------------------------------- */
1.2 misho 141:
142: /*
1.7 misho 143: * rpc_srv_getBLOB() - Get registered BLOB
144: *
1.2 misho 145: * @srv = RPC Server instance
146: * @var = hash for variable
147: * return: NULL not found, !=NULL return blob var
148: */
149: inline rpc_blob_t *
150: rpc_srv_getBLOB(rpc_srv_t * __restrict srv, uint32_t var)
151: {
1.9.2.3 misho 152: rpc_blob_t *b, *tmp;
1.2 misho 153:
154: if (!srv) {
1.7 misho 155: rpc_SetErr(EINVAL, "Invalid parameter can`t get BLOB variable");
1.2 misho 156: return NULL;
157: }
158:
1.9.2.3 misho 159: TAILQ_FOREACH_SAFE(b, &srv->srv_blob.blobs, blob_node, tmp)
1.2 misho 160: if (b->blob_var == var)
161: break;
162:
163: return b;
164: }
165:
166: /*
1.7 misho 167: * rpc_srv_registerBLOB() - Register new BLOB to server
168: *
1.2 misho 169: * @srv = RPC Server instance
170: * @len = BLOB length
171: * return: NULL error or new registered BLOB
172: */
173: rpc_blob_t *
174: rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_t len)
175: {
176: rpc_blob_t *blob = NULL;
177:
178: if (!srv || !len) {
1.7 misho 179: rpc_SetErr(EINVAL, "Invalid parameter can`t register BLOB variable");
1.2 misho 180: return blob;
181: }
182:
183: blob = rpc_srv_blobCreate(srv, len);
184:
1.9.2.3 misho 185: TAILQ_INSERT_TAIL(&srv->srv_blob.blobs, blob, blob_node);
1.2 misho 186: return blob;
187: }
188:
189: /*
1.7 misho 190: * rpc_srv_unregisterBLOB() - Unregister BLOB from server
191: *
1.2 misho 192: * @srv = RPC Server instance
193: * @var = BLOB Variable for unregister
194: * return: -1 error, 0 not found call, 1 unregister ok
195: */
196: int
197: rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uint32_t var)
198: {
1.9.2.3 misho 199: rpc_blob_t *b;
1.2 misho 200:
201: if (!srv) {
1.7 misho 202: rpc_SetErr(EINVAL, "Invalid parameter can`t unregister BLOB variable");
1.2 misho 203: return -1;
204: }
205:
206: b = rpc_srv_getBLOB(srv, var);
1.3 misho 207: if (!b) /* not found element for unregister */
1.2 misho 208: return 0;
209:
1.9.2.3 misho 210: TAILQ_REMOVE(&srv->srv_blob.blobs, b, blob_node);
211:
1.2 misho 212: rpc_srv_blobFree(srv, b);
213: free(b);
214: return 1;
215: }
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