Annotation of mqtt/src/mqtt_subs.c, revision 1.2.2.13
1.2 misho 1: #include "global.h"
2: #include "rtlm.h"
3: #include "mqtt.h"
4: #include "client.h"
5:
6:
7: io_enableDEBUG;
8:
9: extern char compiled[], compiledby[], compilehost[];
1.2.2.2 misho 10: volatile intptr_t Kill;
1.2.2.12 misho 11: sched_root_task_t *root;
1.2 misho 12:
13: struct tagArgs *args;
14:
15:
16: static void
17: Usage(void)
18: {
19: printf( " -= MQTT Subscriber Client =- Subscriber from ELWIX\n"
20: "=== %s@%s === Compiled: %s ===\n\n"
1.2.2.3 misho 21: " Syntax: mqtt_subs [options] <connect_to_broker[:port]> <ConnectID> [exec_script <value>]\n\n"
1.2 misho 22: "\t-l <value2file>\t\tSave received values to file\n"
1.2.2.8 misho 23: "\t-u\t\t\tUnsubscribe given topic(s)\n"
1.2 misho 24: "\t-s <topic[|QoS]>\tSubscribe for this topic, if wish add different |QoS to topic\n"
25: "\t-d\t\t\tSend duplicate message\n\n"
26: "\t-C\t\t\tNot clear before connect!\n"
27: "\t-p <port>\t\tDifferent port for connect (default: 1883)\n"
28: "\t-T <timeout>\t\tKeep alive timeout in seconds\n"
29: "\t-U <username>\t\tUsername\n"
30: "\t-P <password>\t\tPassword\n"
31: "\t-W <topic>\t\tWill Topic\n"
32: "\t-M <message>\t\tWill Message\n\n"
33: "\t-D\t\t\tDaemon mode\n"
34: "\t-v\t\t\tVerbose (more -vvv, more verbose)\n"
35: "\t-h\t\t\tHelp! This screen\n\n",
36: compiledby, compilehost, compiled);
37: }
38:
39: static void
40: cleanArgs(struct tagArgs * __restrict args)
41: {
42: mqtt_msgFree(&args->msg, 42);
1.2.2.3 misho 43: mqtt_subFree(&args->subscr);
1.2 misho 44: AIT_FREE_VAL(&args->Will.Msg);
45: AIT_FREE_VAL(&args->Will.Topic);
46: AIT_FREE_VAL(&args->User);
47: AIT_FREE_VAL(&args->Pass);
48: AIT_FREE_VAL(&args->Publish);
49: AIT_FREE_VAL(&args->Value);
50: AIT_FREE_VAL(&args->ConnID);
51: }
52:
53: static int
54: Subscribe(int sock, FILE *lf)
55: {
1.2.2.6 misho 56: u_char *qoses, *qos;
57: u_short mid;
58: mqtt_subscr_t *sub;
1.2.2.3 misho 59:
1.2.2.10 misho 60: #ifdef __NetBSD__
61: srandom(getpid() ^ time(NULL));
62: #else
1.2.2.4 misho 63: srandomdev();
1.2.2.10 misho 64: #endif
1.2.2.6 misho 65: mid = random() % USHRT_MAX;
1.2.2.4 misho 66:
1.2.2.6 misho 67: printf(" > Execute SUBSCRIBE request #%d ... ", mid);
68: qoses = mqtt_cli_Subscribe(args->cli, args->subscr, mid, args->Dup, MQTT_QOS_ACK);
69: if (!qoses) {
70: printf("Error:: Subscribe #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
1.2.2.3 misho 71: return -1;
1.2.2.6 misho 72: } else
73: printf("OK\n");
1.2.2.3 misho 74:
1.2.2.6 misho 75: for (sub = args->subscr, qos = qoses; sub->sub_topic.msg_base; sub++, qos++)
76: printf(" + Topic %s with QoS %d subscribed %s\n", (char*)
77: sub->sub_topic.msg_base, sub->sub_ret, *qos ? "done" : "failed");
78:
79: free(qoses);
80: return 0;
81: }
82:
83: static int
84: Unsubscribe(int sock)
85: {
86: u_short mid;
87:
1.2.2.10 misho 88: #ifdef __NetBSD__
89: srandom(getpid() ^ time(NULL));
90: #else
1.2.2.6 misho 91: srandomdev();
1.2.2.10 misho 92: #endif
1.2.2.6 misho 93: mid = random() % USHRT_MAX;
94:
1.2.2.7 misho 95: printf(" > Execute UNSUBSCRIBE request #%d ... ", mid);
1.2.2.6 misho 96: if (mqtt_cli_Unsubscribe(args->cli, args->subscr, mid, args->Dup, MQTT_QOS_ACK)) {
97: printf("Error:: Unsubscribe #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
1.2.2.3 misho 98: return -1;
1.2.2.7 misho 99: } else
100: printf("OK\n");
1.2.2.3 misho 101:
1.2 misho 102: return 0;
103: }
104:
105:
1.2.2.12 misho 106: static void *
107: pubRX(sched_task_t *task)
108: {
109: int siz, rlen;
1.2.2.13! misho 110: char szTopic[STRSIZ] = { 0 };
1.2.2.12 misho 111: void *data = NULL;
112: u_short mid;
113:
114: rlen = RecvFrom(TASK_FD(task));
1.2.2.13! misho 115: if (rlen == -1)
1.2.2.12 misho 116: goto end;
1.2.2.13! misho 117: siz = mqtt_readPUBLISH(args->msg, szTopic, sizeof szTopic, &mid, &data);
1.2.2.12 misho 118: if (siz == -1)
119: goto end;
120:
1.2.2.13! misho 121: fprintf(TASK_ARG(task), "\nMessage ID: 0x%04hu, Length: %u, Topic: %s\n",
! 122: mid, siz, szTopic);
1.2.2.12 misho 123:
124: if (data) {
125: fputs((const char*) data, TASK_ARG(task));
126: free(data);
127: }
1.2.2.13! misho 128:
! 129: fprintf(TASK_ARG(task), "\n.\n");
! 130: fflush(TASK_ARG(task));
1.2.2.12 misho 131: end:
132: schedReadSelf(task);
133: return NULL;
134: }
135:
136:
1.2 misho 137: int
138: main(int argc, char **argv)
139: {
1.2.2.6 misho 140: char ch, un = 0, idx = 0, batch = 1;
1.2.2.3 misho 141: ait_val_t val;
1.2 misho 142: u_short port = atoi(MQTT_PORT);
1.2.2.3 misho 143: mqtt_subscr_t *sub;
1.2.2.5 misho 144: int ret = 0;
1.2.2.3 misho 145: char *str, szStr[STRSIZ], szLogName[MAXPATHLEN] = { 0 };
1.2 misho 146: FILE *lf;
147:
1.2.2.9 misho 148: if (!(args = io_malloc(sizeof(struct tagArgs)))) {
1.2 misho 149: printf("Error:: in arguments #%d - %s\n", errno, strerror(errno));
150: return 1;
151: } else
152: memset(args, 0, sizeof(struct tagArgs));
1.2.2.3 misho 153: if (!(args->subscr = mqtt_subAlloc(idx))) {
154: printf("Error:: in subscribes array #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
1.2.2.9 misho 155: io_free(args);
1.2 misho 156: return 1;
157: } else
158: args->free = cleanArgs;
159:
160: if (!(args->msg = mqtt_msgAlloc(USHRT_MAX))) {
161: printf("Error:: in mqtt buffer #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
162: args->free(args);
1.2.2.9 misho 163: io_free(args);
1.2 misho 164: return 1;
165: }
166:
1.2.2.4 misho 167: AIT_SET_STR(&args->ConnID, "");
1.2 misho 168: AIT_SET_STR(&args->User, "");
169: AIT_SET_STR(&args->Pass, "");
170:
171: args->ka = MQTT_KEEPALIVE;
1.2.2.6 misho 172: while ((ch = getopt(argc, argv, "T:U:P:p:s:q:dl:W:M:CDvuh")) != -1)
1.2 misho 173: switch (ch) {
174: case 'T':
175: args->ka = (u_short) strtol(optarg, NULL, 0);
176: break;
177: case 'M':
178: AIT_FREE_VAL(&args->Will.Msg);
179: AIT_SET_STR(&args->Will.Msg, optarg);
180: break;
181: case 'W':
182: AIT_FREE_VAL(&args->Will.Topic);
183: AIT_SET_STR(&args->Will.Topic, optarg);
184: break;
185: case 'U':
186: AIT_FREE_VAL(&args->User);
187: AIT_SET_STR(&args->User, optarg);
188: break;
189: case 'P':
190: AIT_FREE_VAL(&args->Pass);
191: AIT_SET_STR(&args->Pass, optarg);
192: break;
193: case 'p':
194: port = (u_short) strtol(optarg, NULL, 0);
195: break;
196: case 's':
1.2.2.3 misho 197: sub = mqtt_subRealloc(&args->subscr, idx + 1);
198: if (!sub) {
199: printf("Error:: #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
1.2 misho 200: args->free(args);
1.2.2.9 misho 201: io_free(args);
1.2 misho 202: return 1;
203: } else
1.2.2.3 misho 204: sub += idx++;
205:
206: strlcpy(szStr, optarg, sizeof szStr);
207: if ((str = strchr(szStr, '|'))) {
208: *str++ = 0;
209: *str -= 0x30;
210: if (*str < 0 || *str > MQTT_QOS_RESERVED)
211: sub->sub_ret = (u_char) args->QoS;
212: else
213: sub->sub_ret = (u_char) *str;
214: } else
215: sub->sub_ret = (u_char) args->QoS;
1.2.2.11 misho 216: sub->sub_topic.msg_base = strdup(szStr);
1.2.2.3 misho 217: sub->sub_topic.msg_len = strlen(szStr);
1.2 misho 218: break;
219: case 'q':
220: args->QoS = (char) strtol(optarg, NULL, 0);
221: if (args->QoS > MQTT_QOS_EXACTLY) {
222: printf("Error:: invalid QoS level %d\n", args->QoS);
223: args->free(args);
1.2.2.9 misho 224: io_free(args);
1.2 misho 225: return 1;
226: }
227: break;
228: case 'd':
229: args->Dup++;
230: break;
231: case 'C':
232: args->notClear++;
233: break;
234: case 'l':
235: strlcpy(szLogName, optarg, sizeof szLogName);
236: break;
237: case 'D':
238: batch = 0;
239: break;
240: case 'v':
241: io_incDebug;
242: break;
1.2.2.6 misho 243: case 'u':
244: un = 1;
245: break;
1.2 misho 246: case 'h':
247: default:
248: args->free(args);
1.2.2.9 misho 249: io_free(args);
1.2 misho 250: Usage();
251: return 1;
252: }
253: argc -= optind;
254: argv += optind;
1.2.2.3 misho 255: if (argc < 2) {
1.2 misho 256: printf("Error:: host for connect not found, connection id or topic not supplied!\n\n");
257: args->free(args);
1.2.2.9 misho 258: io_free(args);
1.2 misho 259: Usage();
260: return 1;
1.2.2.4 misho 261: } else {
262: AIT_FREE_VAL(&args->ConnID);
263: AIT_SET_STR(&args->ConnID, argv[1]);
264: }
1.2.2.3 misho 265: if (argc > 2) {
1.2 misho 266: AIT_FREE_VAL(&args->Value);
1.2.2.3 misho 267: AIT_SET_STR(&args->Value, argv[2]);
1.2 misho 268: }
269: if (!io_gethostbyname(*argv, port, &args->addr)) {
270: printf("Error:: host not valid #%d - %s\n", io_GetErrno(), io_GetError());
271: args->free(args);
1.2.2.9 misho 272: io_free(args);
1.2 misho 273: Usage();
274: return 1;
275: }
1.2.2.1 misho 276: printf("Connecting to %s:%d ... ", io_n2addr(&args->addr, &val), io_n2port(&args->addr));
277: AIT_FREE_VAL(&val);
1.2 misho 278:
1.2.2.6 misho 279: if (!(args->cli = mqtt_cli_Open(&args->addr.sa, args->ka))) {
1.2 misho 280: args->free(args);
1.2.2.9 misho 281: io_free(args);
1.2 misho 282: return 2;
283: }
284:
1.2.2.5 misho 285: switch ((ret = ConnectClient(args->cli->sock))) {
1.2 misho 286: case -1:
287: printf(">> FAILED!\n");
288: break;
289: case MQTT_RETCODE_ACCEPTED:
290: printf(">> OK\n");
291: break;
292: case MQTT_RETCODE_REFUSE_VER:
293: printf(">> Incorrect version\n");
294: break;
295: case MQTT_RETCODE_REFUSE_ID:
296: printf(">> Incorrect connectID\n");
297: break;
298: case MQTT_RETCODE_REFUSE_UNAVAIL:
299: printf(">> Service unavailable\n");
300: break;
301: case MQTT_RETCODE_REFUSE_USERPASS:
302: printf(">> Refuse user/pass\n");
303: break;
304: case MQTT_RETCODE_DENIED:
305: printf(">> DENIED.\n");
306: break;
307: }
308:
309: if (ret == MQTT_RETCODE_ACCEPTED) {
310: if (*szLogName)
311: lf = fopen(szLogName, "w");
312: else
313: lf = stdout;
314: if (lf) {
1.2.2.12 misho 315: root = schedBegin();
316:
1.2.2.7 misho 317: ret = Subscribe(args->cli->sock, lf);
1.2.2.12 misho 318:
319: schedRead(root, pubRX, lf, args->cli->sock, NULL, 0);
320: schedRun(root, &Kill);
321:
1.2.2.7 misho 322: if (un)
323: Unsubscribe(args->cli->sock);
1.2 misho 324: fclose(lf);
1.2.2.12 misho 325:
326: schedEnd(&root);
1.2 misho 327: } else
328: printf("Error:: in subscribe file #%d - %s\n", errno, strerror(errno));
1.2.2.5 misho 329: } else
1.2 misho 330: ret = 3;
1.2.2.5 misho 331:
332: mqtt_cli_Close(&args->cli);
1.2 misho 333:
334: args->free(args);
1.2.2.9 misho 335: io_free(args);
1.2 misho 336: return ret;
337: }
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