Annotation of libaitrpc/src/builtin.c, revision 1.20.2.1

1.1       misho       1: /*************************************************************************
                      2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
                      3: *  by Michael Pounov <misho@openbsd-bg.org>
                      4: *
                      5: * $Author: misho $
1.20.2.1! misho       6: * $Id: builtin.c,v 1.20 2015/01/21 21:17:05 misho Exp $
1.1       misho       7: *
1.2       misho       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: 
1.20      misho      15: Copyright 2004 - 2015
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: */
1.1       misho      46: #include "global.h"
                     47: 
                     48: 
                     49: /* builtin RPC server functions */
                     50: 
1.8       misho      51: static int
1.19      misho      52: rpcServerClients(RPC_CALL_STDARGS)
1.1       misho      53: {
1.2       misho      54:        rpc_srv_t *srv;
1.8       misho      55:        rpc_cli_t *c;
1.1       misho      56:        register int i;
1.4       misho      57:        int len;
1.3       misho      58:        const char *str = NULL;
1.8       misho      59:        char *val;
                     60:        ait_val_t v;
1.2       misho      61: 
1.8       misho      62:        RPC_CALLBACK_CHECK_INPUT(cli);
                     63:        srv = RPC_SRV_SERVER(cli);
1.4       misho      64: 
1.12      misho      65:        len = array_Size(srv->srv_clients) * STRSIZ;
                     66:        if (!(val = e_malloc(len))) {
1.4       misho      67:                LOGERR;
1.1       misho      68:                return -1;
1.4       misho      69:        } else
                     70:                memset(val, 0, len);
1.1       misho      71: 
1.12      misho      72:        for (i = 0; i < array_Size(srv->srv_clients); i++) {
                     73:                c = array(srv->srv_clients, i, rpc_cli_t*);
1.8       misho      74:                if (!c)
1.1       misho      75:                        continue;
                     76: 
1.12      misho      77:                str = e_n2addr(&c->cli_sa, &v);
1.2       misho      78:                if (str)
1.4       misho      79:                        strlcat(val, (char*) str, len);
1.2       misho      80:                else
1.4       misho      81:                        strlcat(val, "0.0.0.0", len);
                     82:                strlcat(val, " ", len);
1.8       misho      83:                AIT_FREE_VAL(&v);
1.1       misho      84:        }
                     85: 
1.8       misho      86:        /* return values */
1.12      misho      87:        AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
                     88:        e_free(val);
1.1       misho      89:        return 0;
                     90: }
                     91: 
1.8       misho      92: static int
1.19      misho      93: rpcServerCalls(RPC_CALL_STDARGS)
1.1       misho      94: {
1.2       misho      95:        rpc_srv_t *srv;
1.1       misho      96:        rpc_func_t *f;
1.8       misho      97:        register int i = 0;
1.4       misho      98:        int len;
                     99:        char *val, str[MAXPATHLEN];
1.1       misho     100: 
1.8       misho     101:        RPC_CALLBACK_CHECK_INPUT(cli);
                    102:        srv = RPC_SRV_SERVER(cli);
1.1       misho     103: 
1.10      misho     104:        SLIST_FOREACH(f, &srv->srv_funcs, func_next)
1.8       misho     105:                i++;
1.4       misho     106:        len = i * STRSIZ;
                    107: 
1.12      misho     108:        if (!(val = e_malloc(len))) {
1.4       misho     109:                LOGERR;
1.1       misho     110:                return -1;
1.4       misho     111:        } else
                    112:                memset(val, 0, len);
1.1       misho     113: 
1.10      misho     114:        SLIST_FOREACH(f, &srv->srv_funcs, func_next)
1.8       misho     115:                if (AIT_ADDR(&f->func_name)) {
1.3       misho     116:                        memset(str, 0, sizeof str);
1.8       misho     117:                        snprintf(str, sizeof str, "/%hu/0x%p; ", AIT_KEY(&f->func_name), 
                    118:                                        AIT_ADDR(&f->func_name));
1.4       misho     119:                        strlcat(val, str, len);
1.1       misho     120:                }
                    121: 
1.8       misho     122:        /* return variables */
1.12      misho     123:        AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
                    124:        e_free(val);
1.1       misho     125:        return 0;
                    126: }
                    127: 
1.8       misho     128: static int
1.19      misho     129: rpcServerSessions(RPC_CALL_STDARGS)
1.1       misho     130: {
1.2       misho     131:        rpc_srv_t *srv;
1.1       misho     132: 
1.8       misho     133:        RPC_CALLBACK_CHECK_INPUT(cli);
                    134:        srv = RPC_SRV_SERVER(cli);
1.1       misho     135: 
1.13      misho     136:        AIT_SET_I32(ait_getVars(&RPC_RETVARS(cli), 2), array_Size(srv->srv_clients));
1.12      misho     137:        AIT_SET_U8(ait_getVars(&RPC_RETVARS(cli), 0), srv->srv_session.sess_version);
1.13      misho     138:        AIT_SET_U8(ait_getVars(&RPC_RETVARS(cli), 1), srv->srv_session.sess_instance);
1.1       misho     139: 
                    140:        return 0;
                    141: }
1.2       misho     142: 
1.8       misho     143: static int
1.19      misho     144: rpcServerShutdown(RPC_CALL_STDARGS)
1.2       misho     145: {
                    146:        rpc_srv_t *srv;
                    147: 
1.8       misho     148:        RPC_CALLBACK_CHECK_INPUT(cli);
                    149:        srv = RPC_SRV_SERVER(cli);
1.11      misho     150:        
                    151:        rpc_freeCli(cli);
1.2       misho     152: 
1.8       misho     153:        srv->srv_kill = 1;
1.15      misho     154:        if (srv->srv_blob.tid)
                    155:                pthread_kill(srv->srv_blob.tid, SIGFBLOB);
1.2       misho     156:        return 0;
                    157: }
                    158: 
1.8       misho     159: static int
1.19      misho     160: rpcServerPing(RPC_CALL_STDARGS)
1.8       misho     161: {
1.17      misho     162:        if (ntohl((u_long) rpc->call_req.flags) == RPC_REPLY)
1.16      misho     163:                AIT_SET_U16(ait_getVars(&RPC_RETVARS(cli), 0), random() % USHRT_MAX);
1.20.2.1! misho     164:        printf("alabala\n");
1.8       misho     165:        return 0;
                    166: }
                    167: 
                    168: /* ---------------------------------------------------- */
1.2       misho     169: 
1.8       misho     170: static int
1.19      misho     171: rpcBLOBServerShutdown(RPC_CALL_STDARGS)
1.2       misho     172: {
                    173:        rpc_srv_t *srv;
                    174: 
1.8       misho     175:        RPC_CALLBACK_CHECK_INPUT(cli);
                    176:        srv = RPC_SRV_SERVER(cli);
1.2       misho     177: 
1.11      misho     178:        rpc_freeBLOBCli(cli);
                    179: 
1.8       misho     180:        srv->srv_blob.kill = 1;
1.2       misho     181:        return 0;
                    182: }
                    183: 
1.8       misho     184: static int
1.19      misho     185: rpcBLOBServerVars(RPC_CALL_STDARGS)
1.2       misho     186: {
                    187:        rpc_srv_t *srv;
                    188:        rpc_blob_t *b;
1.8       misho     189:        register int i = 0;
1.4       misho     190:        char *val, str[64];
                    191:        int len;
1.2       misho     192: 
1.8       misho     193:        RPC_CALLBACK_CHECK_INPUT(cli);
                    194:        srv = RPC_SRV_SERVER(cli);
1.2       misho     195: 
1.8       misho     196:        if (srv->srv_blob.kill) {
1.12      misho     197:                AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), "BLOB Server is killed");
1.4       misho     198:                return 1;
                    199:        }
                    200: 
1.8       misho     201:        TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node)
                    202:                i++;
1.4       misho     203:        len = i * sizeof str;
                    204: 
                    205:        if (!len) {
1.12      misho     206:                AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), "");
1.2       misho     207:                return 0;
                    208:        }
                    209: 
1.12      misho     210:        if (!(val = e_malloc(len))) {
1.4       misho     211:                LOGERR;
                    212:                return -1;
                    213:        } else
                    214:                memset(val, 0, len);
                    215: 
1.8       misho     216:        TAILQ_FOREACH(b, &srv->srv_blob.blobs, blob_node) {
1.4       misho     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: 
1.12      misho     222:        AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
                    223:        e_free(val);
1.2       misho     224:        return 0;
                    225: }
                    226: 
1.8       misho     227: static int
1.19      misho     228: rpcBLOBServerClients(RPC_CALL_STDARGS)
1.2       misho     229: {
                    230:        rpc_srv_t *srv;
1.8       misho     231:        rpc_cli_t *c;
1.2       misho     232:        register int i;
1.4       misho     233:        int len;
1.3       misho     234:        const char *str = NULL;
1.8       misho     235:        char *val;
                    236:        ait_val_t v;
1.2       misho     237: 
1.8       misho     238:        RPC_CALLBACK_CHECK_INPUT(cli);
                    239:        srv = RPC_SRV_SERVER(cli);
1.4       misho     240: 
1.8       misho     241:        if (srv->srv_blob.kill) {
1.12      misho     242:                AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), "BLOB Server is killed");
1.4       misho     243:                return 1;
                    244:        }
                    245: 
1.12      misho     246:        len = array_Size(srv->srv_blob.clients) * STRSIZ;
                    247:        if (!(val = e_malloc(len))) {
1.4       misho     248:                LOGERR;
1.2       misho     249:                return -1;
1.4       misho     250:        } else
                    251:                memset(val, 0, len);
1.2       misho     252: 
1.12      misho     253:        for (i = 0; i < array_Size(srv->srv_clients); i++) {
                    254:                c = array(srv->srv_blob.clients, i, rpc_cli_t*);
1.8       misho     255:                if (!c)
1.2       misho     256:                        continue;
                    257: 
1.12      misho     258:                str = e_n2addr(&c->cli_sa, &v);
1.2       misho     259:                if (str)
1.4       misho     260:                        strlcat(val, (char*) str, len);
1.2       misho     261:                else
1.4       misho     262:                        strlcat(val, "0.0.0.0", len);
                    263:                strlcat(val, " ", len);
1.8       misho     264:                AIT_FREE_VAL(&v);
1.2       misho     265:        }
                    266: 
1.12      misho     267:        AIT_SET_STR(ait_getVars(&RPC_RETVARS(cli), 0), val);
                    268:        e_free(val);
1.2       misho     269:        return 0;
                    270: }
1.8       misho     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:  */
1.14      misho     280: int
1.8       misho     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)
                    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) < 1)
                    305:                return -1;
                    306:        if (rpc_srv_registerCall(srv, CALL_SRVCLIENTS, rpcServerClients) < 1)
                    307:                return -1;
                    308:        if (rpc_srv_registerCall(srv, CALL_SRVSESSIONS, rpcServerSessions) < 1)
                    309:                return -1;
                    310:        if (rpc_srv_registerCall(srv, CALL_SRVCALLS, rpcServerCalls) < 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) < 1)
                    329:                return -1;
                    330:        if (rpc_srv_registerCall(srv, CALL_BLOBCLIENTS, rpcBLOBServerClients) < 1)
                    331:                return -1;
                    332:        if (rpc_srv_registerCall(srv, CALL_BLOBVARS, rpcBLOBServerVars) < 1)
                    333:                return -1;
                    334: 
                    335:        return 0;
                    336: }

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