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[];
10: volatile intptr_t Kill;
11:
12: struct tagArgs *args;
13:
14:
15: static void
16: Usage(void)
17: {
18: printf( " -= MQTT Subscriber Client =- Subscriber from ELWIX\n"
19: "=== %s@%s === Compiled: %s ===\n\n"
20: " Syntax: mqtt_subs [options] <connect_to_broker[:port]> <ConnectID> <topic> [exec_script <value>]\n\n"
21: "\t-l <value2file>\t\tSave received values to file\n"
22: "\t-s <topic[|QoS]>\tSubscribe for this topic, if wish add different |QoS to topic\n"
23: "\t-q <QoS>\t\tQoS level (0-at most 1, 1-at least 1, 2-exactly 1)\n"
24: "\t-d\t\t\tSend duplicate message\n\n"
25: "\t-C\t\t\tNot clear before connect!\n"
26: "\t-p <port>\t\tDifferent port for connect (default: 1883)\n"
27: "\t-T <timeout>\t\tKeep alive timeout in seconds\n"
28: "\t-U <username>\t\tUsername\n"
29: "\t-P <password>\t\tPassword\n"
30: "\t-W <topic>\t\tWill Topic\n"
31: "\t-M <message>\t\tWill Message\n\n"
32: "\t-D\t\t\tDaemon mode\n"
33: "\t-v\t\t\tVerbose (more -vvv, more verbose)\n"
34: "\t-h\t\t\tHelp! This screen\n\n",
35: compiledby, compilehost, compiled);
36: }
37:
38: static void
39: cleanArgs(struct tagArgs * __restrict args)
40: {
41: mqtt_msgFree(&args->msg, 42);
42: AIT_FREE_VAL(&args->Will.Msg);
43: AIT_FREE_VAL(&args->Will.Topic);
44: AIT_FREE_VAL(&args->User);
45: AIT_FREE_VAL(&args->Pass);
46: AIT_FREE_VAL(&args->Publish);
47: AIT_FREE_VAL(&args->Value);
48: AIT_FREE_VAL(&args->ConnID);
49: io_freeVars(&args->Subscribes);
50: }
51:
52: static int
53: Subscribe(int sock, FILE *lf)
54: {
55: return 0;
56: }
57:
58:
59: int
60: main(int argc, char **argv)
61: {
62: char ch, batch = 1;
63: ait_val_t *v, val;
64: u_short port = atoi(MQTT_PORT);
65: int sock, ret = 0;
66: char szLogName[MAXPATHLEN] = { 0 };
67: FILE *lf;
68:
69: if (!(args = malloc(sizeof(struct tagArgs)))) {
70: printf("Error:: in arguments #%d - %s\n", errno, strerror(errno));
71: return 1;
72: } else
73: memset(args, 0, sizeof(struct tagArgs));
74: if (!(args->Subscribes = io_allocVars(1))) {
75: printf("Error:: in subscribes array #%d - %s\n", io_GetErrno(), io_GetError());
76: free(args);
77: return 1;
78: } else
79: args->free = cleanArgs;
80:
81: if (!(args->msg = mqtt_msgAlloc(USHRT_MAX))) {
82: printf("Error:: in mqtt buffer #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
83: args->free(args);
84: free(args);
85: return 1;
86: }
87:
88: AIT_SET_STR(&args->ConnID, "");
89: AIT_SET_STR(&args->User, "");
90: AIT_SET_STR(&args->Pass, "");
91:
92: args->ka = MQTT_KEEPALIVE;
93: while ((ch = getopt(argc, argv, "T:U:P:p:s:q:dl:W:M:CDvh")) != -1)
94: switch (ch) {
95: case 'T':
96: args->ka = (u_short) strtol(optarg, NULL, 0);
97: break;
98: case 'M':
99: AIT_FREE_VAL(&args->Will.Msg);
100: AIT_SET_STR(&args->Will.Msg, optarg);
101: break;
102: case 'W':
103: AIT_FREE_VAL(&args->Will.Topic);
104: AIT_SET_STR(&args->Will.Topic, optarg);
105: break;
106: case 'U':
107: AIT_FREE_VAL(&args->User);
108: AIT_SET_STR(&args->User, optarg);
109: break;
110: case 'P':
111: AIT_FREE_VAL(&args->Pass);
112: AIT_SET_STR(&args->Pass, optarg);
113: break;
114: case 'p':
115: port = (u_short) strtol(optarg, NULL, 0);
116: break;
117: case 's':
118: v = io_allocVar();
119: if (!v) {
120: printf("Error:: not enough memory #%d - %s\n", errno, strerror(errno));
121: args->free(args);
122: free(args);
123: return 1;
124: } else
125: AIT_SET_STR(v, optarg);
126: io_arrayElem(args->Subscribes, io_arraySize(args->Subscribes), v);
127: break;
128: case 'q':
129: args->QoS = (char) strtol(optarg, NULL, 0);
130: if (args->QoS > MQTT_QOS_EXACTLY) {
131: printf("Error:: invalid QoS level %d\n", args->QoS);
132: args->free(args);
133: free(args);
134: return 1;
135: }
136: break;
137: case 'd':
138: args->Dup++;
139: break;
140: case 'C':
141: args->notClear++;
142: break;
143: case 'l':
144: strlcpy(szLogName, optarg, sizeof szLogName);
145: break;
146: case 'D':
147: batch = 0;
148: break;
149: case 'v':
150: io_incDebug;
151: break;
152: case 'h':
153: default:
154: args->free(args);
155: free(args);
156: Usage();
157: return 1;
158: }
159: argc -= optind;
160: argv += optind;
161: if (argc < 3) {
162: printf("Error:: host for connect not found, connection id or topic not supplied!\n\n");
163: args->free(args);
164: free(args);
165: Usage();
166: return 1;
167: } else {
168: AIT_FREE_VAL(&args->ConnID);
169: AIT_SET_STR(&args->ConnID, argv[1]);
170: AIT_FREE_VAL(&args->Publish);
171: AIT_SET_STR(&args->Publish, argv[2]);
172: }
173: if (argc > 3) {
174: AIT_FREE_VAL(&args->Value);
175: AIT_SET_STR(&args->Value, argv[3]);
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: 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 ((sock = InitClient()) == -1) {
188: args->free(args);
189: free(args);
190: return 2;
191: }
192:
193: switch ((ret = ConnectClient(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: if (ret == MQTT_RETCODE_ACCEPTED) {
218: if (*szLogName)
219: lf = fopen(szLogName, "w");
220: else
221: lf = stdout;
222: if (lf) {
223: ret = Subscribe(sock, lf);
224: fclose(lf);
225: } else
226: printf("Error:: in subscribe file #%d - %s\n", errno, strerror(errno));
227: CloseClient(sock);
228: } else {
229: close(sock);
230: ret = 3;
231: }
232:
233: args->free(args);
234: free(args);
235: return ret;
236: }
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