Annotation of mqtt/src/mqtt_ping.c, revision 1.3

1.3     ! misho       1: /*************************************************************************
        !             2: * (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
        !             3: *  by Michael Pounov <misho@openbsd-bg.org>
        !             4: *
        !             5: * $Author: misho $
        !             6: * $Id: mqtt_ping.c,v 1.2.2.1 2012/07/03 12:22:56 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: */
1.2       misho      46: #include "global.h"
                     47: #include "mqtt.h"
                     48: #include "client.h"
                     49: 
                     50: 
                     51: io_enableDEBUG;
                     52: 
                     53: extern char compiled[], compiledby[], compilehost[];
                     54: 
                     55: struct tagArgs *args;
                     56: 
                     57: 
                     58: static void
                     59: Usage(void)
                     60: {
                     61:        printf( " -= MQTT PING =- MQTT Ping from ELWIX\n"
                     62:                "=== %s@%s === Compiled: %s ===\n\n"
                     63:                " Syntax: mqtt_ping [options] <connect_to_broker[:port]> <ConnectID>\n\n"
                     64:                "\t-c <num>\t\tNumber of ping requests (default: 1)\n"
                     65:                "\t-p <port>\t\tDifferent port for connect (default: 1883)\n"
                     66:                "\t-T <timeout>\t\tKeep alive timeout in seconds (default: 10sec)\n"
                     67:                "\t-U <username>\t\tUsername\n"
                     68:                "\t-P <password>\t\tPassword\n"
                     69:                "\t-v\t\t\tVerbose (more -vvv, more verbose)\n"
                     70:                "\t-h\t\t\tHelp! This screen\n\n", 
                     71:                compiledby, compilehost, compiled);
                     72: }
                     73: 
                     74: static void
                     75: cleanArgs(struct tagArgs * __restrict args)
                     76: {
                     77:        mqtt_msgFree(&args->msg, 42);
                     78:        AIT_FREE_VAL(&args->User);
                     79:        AIT_FREE_VAL(&args->Pass);
                     80:        AIT_FREE_VAL(&args->ConnID);
                     81: }
                     82: 
                     83: static int
                     84: Ping(int sock, int num, struct timeval * __restrict accu)
                     85: {
                     86:        struct timeval before, after, calc;
                     87:        ait_val_t val;
                     88: 
                     89:        gettimeofday(&before, NULL);
                     90: 
                     91:        if (mqtt_KeepAlive(args->cli->sock, args->ka, 1) == -1)
                     92:                return -1;
                     93: 
                     94:        gettimeofday(&after, NULL);
                     95: 
                     96:        timersub(&after, &before, &calc);
                     97:        timeradd(accu, &calc, accu);
                     98: 
                     99:        printf(" + Ping %d MQTT broker %s ... %f sec.\n", num, io_n2addr(&args->addr, &val), 
                    100:                        calc.tv_sec + calc.tv_usec / 1.e6);
                    101:        AIT_FREE_VAL(&val);
                    102: 
                    103:        return 0;
                    104: }
                    105: 
                    106: 
                    107: int
                    108: main(int argc, char **argv)
                    109: {
                    110:        char ch;
                    111:        ait_val_t val;
                    112:        u_short port = atoi(MQTT_PORT);
                    113:        int num = 1, ret = 0, lost = 0;
                    114:        register int i;
                    115:        struct timeval accu;
                    116: 
                    117:        if (!(args = io_malloc(sizeof(struct tagArgs)))) {
                    118:                printf("Error:: in alloc arguments #%d - %s\n", errno, strerror(errno));
                    119:                return 1;
                    120:        } else
                    121:                memset(args, 0, sizeof(struct tagArgs));
                    122:        args->free = cleanArgs;
                    123: 
                    124:        if (!(args->msg = mqtt_msgAlloc(USHRT_MAX))) {
                    125:                printf("Error:: in mqtt buffer #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
                    126:                args->free(args);
                    127:                io_free(args);
                    128:                return 1;
                    129:        }
                    130: 
                    131:        AIT_SET_STR(&args->ConnID, "");
                    132:        AIT_SET_STR(&args->User, "");
                    133:        AIT_SET_STR(&args->Pass, "");
                    134: 
                    135:        args->ka = MQTT_KEEPALIVE;
                    136:        while ((ch = getopt(argc, argv, "T:U:P:p:c:vh")) != -1)
                    137:                switch (ch) {
                    138:                        case 'c':
                    139:                                num = (int) strtol(optarg, NULL, 0);
                    140:                                break;
                    141:                        case 'T':
                    142:                                args->ka = (u_short) strtol(optarg, NULL, 0);
                    143:                                break;
                    144:                        case 'U':
                    145:                                AIT_FREE_VAL(&args->User);
                    146:                                AIT_SET_STR(&args->User, optarg);
                    147:                                break;
                    148:                        case 'P':
                    149:                                AIT_FREE_VAL(&args->Pass);
                    150:                                AIT_SET_STR(&args->Pass, optarg);
                    151:                                break;
                    152:                        case 'p':
                    153:                                port = (u_short) strtol(optarg, NULL, 0);
                    154:                                break;
                    155:                        case 'v':
                    156:                                io_incDebug;
                    157:                                break;
                    158:                        case 'h':
                    159:                        default:
                    160:                                args->free(args);
                    161:                                io_free(args);
                    162:                                Usage();
                    163:                                return 1;
                    164:                }
                    165:        argc -= optind;
                    166:        argv += optind;
                    167:        if (argc < 2) {
                    168:                printf("Error:: host for connect not found or connection id!\n\n");
                    169:                args->free(args);
                    170:                io_free(args);
                    171:                Usage();
                    172:                return 1;
                    173:        } else {
                    174:                AIT_FREE_VAL(&args->ConnID);
                    175:                AIT_SET_STR(&args->ConnID, argv[1]);
                    176:        }
                    177:        if (!io_gethostbyname(*argv, port, &args->addr)) {
                    178:                printf("Error:: host not valid #%d - %s\n", io_GetErrno(), io_GetError());
                    179:                args->free(args);
                    180:                io_free(args);
                    181:                Usage();
                    182:                return 1;
                    183:        }
                    184:        printf("Connecting to %s:%d ... ", io_n2addr(&args->addr, &val), io_n2port(&args->addr));
                    185:        AIT_FREE_VAL(&val);
                    186: 
                    187:        if (!(args->cli = mqtt_cli_Open(&args->addr.sa, args->ka))) {
                    188:                args->free(args);
                    189:                io_free(args);
                    190:                return 2;
                    191:        }
                    192: 
                    193:        switch ((ret = ConnectClient(args->cli->sock))) {
                    194:                case -1:
                    195:                        printf(">> FAILED!\n");
                    196:                        break;
                    197:                case MQTT_RETCODE_ACCEPTED:
                    198:                        printf(">> OK\n");
                    199:                        break;
                    200:                case MQTT_RETCODE_REFUSE_VER:
                    201:                        printf(">> Incorrect version\n");
                    202:                        break;
                    203:                case MQTT_RETCODE_REFUSE_ID:
                    204:                        printf(">> Incorrect connectID\n");
                    205:                        break;
                    206:                case MQTT_RETCODE_REFUSE_UNAVAIL:
                    207:                        printf(">> Service unavailable\n");
                    208:                        break;
                    209:                case MQTT_RETCODE_REFUSE_USERPASS:
                    210:                        printf(">> Refuse user/pass\n");
                    211:                        break;
                    212:                case MQTT_RETCODE_DENIED:
                    213:                        printf(">> DENIED.\n");
                    214:                        break;
                    215:        }
                    216: 
                    217:        timerclear(&accu);
                    218:        if (ret == MQTT_RETCODE_ACCEPTED) {
                    219:                for (i = 0; i < num; i++)
                    220:                        if ((ret = Ping(args->cli->sock, i, &accu))) {
                    221:                                ret = 3;
                    222:                                lost++;
                    223:                        }
                    224:                printf("\nMQTT ping sended %d requests with %d lost responses and avarage %f sec.\n", 
                    225:                                num, lost, (accu.tv_sec + accu.tv_usec / 1.e6) / (num - lost));
                    226:        } else
                    227:                ret = 4;
                    228: 
                    229:        mqtt_cli_Close(&args->cli);
                    230: 
                    231:        args->free(args);
                    232:        io_free(args);
                    233:        return ret;
                    234: }

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>