1: #include "global.h"
2: #include "rtlm.h"
3: #include "mqtt.h"
4: #include "client.h"
5:
6:
7: sl_config cfg;
8: sqlite3 *acc, *pub;
9: FILE *logg;
10: extern char compiled[], compiledby[], compilehost[];
11: static char szCfgName[MAXPATHLEN];
12: int Verbose, Kill;
13:
14: struct tagArgs *args;
15:
16:
17: static void
18: Usage(void)
19: {
20: printf( " -= MQTT Client =- Publisher/Subscriber from ELWIX\n"
21: "=== %s@%s === Compiled: %s ===\n\n"
22: " Syntax: mqtt [options] <connect_to_broker[:port]> [value_for_publish]\n\n"
23: "\t-t <topic>\t\tPublish topic\n"
24: "\t-s <topic[|QoS]>\tSubscribe for this topic, if wish add different |QoS to topic\n"
25: "\t-q <QoS>\t\tQoS level (0-at most 1, 1-at least 1, 2-exactly 1)\n"
26: "\t-d\t\t\tSend duplicate message\n"
27: "\t-r\t\t\tRetain message from broker\n"
28: "\t-c <config>\t\tService config\n"
29: "\t-f\t\t\t'value_for_publish' is file instead text\n"
30: "\t-p <port>\t\tDifferent port for connect (default: 1883)\n"
31: "\t-U <username>\t\tUsername\n"
32: "\t-P <password>\t\tPassword\n"
33: "\t-W <topic>\t\tWill Topic\n"
34: "\t-M <message>\t\tWill Message\n"
35: "\t-D\t\t\tDaemon mode\n"
36: "\t-v\t\t\tVerbose (more -vvv, more verbose)\n"
37: "\t-h\t\t\tHelp! This screen\n\n",
38: compiledby, compilehost, compiled);
39: }
40:
41: static void
42: cleanArgs(struct tagArgs * __restrict args)
43: {
44: mqtt_msgFree(&args->msg, 42);
45: AIT_FREE_VAL(&args->Will.Msg);
46: AIT_FREE_VAL(&args->Will.Topic);
47: AIT_FREE_VAL(&args->User);
48: AIT_FREE_VAL(&args->Pass);
49: AIT_FREE_VAL(&args->Publish);
50: AIT_FREE_VAL(&args->Value);
51: io_freeVars(&args->Subscribes);
52: }
53:
54:
55: int
56: main(int argc, char **argv)
57: {
58: char ch, batch = 1, szStr[STRSIZ] = { 0 };
59: ait_val_t *v, val;
60: u_short port = atoi(MQTT_PORT);
61: int sock;
62:
63: if (!(args = malloc(sizeof(struct tagArgs)))) {
64: printf("Error:: in arguments #%d - %s\n", errno, strerror(errno));
65: return 1;
66: } else
67: memset(args, 0, sizeof(struct tagArgs));
68: if (!(args->Subscribes = io_allocVars(1))) {
69: printf("Error:: in subscribes array #%d - %s\n", io_GetErrno(), io_GetError());
70: free(args);
71: return 1;
72: } else
73: args->free = cleanArgs;
74:
75: if (!(args->msg = mqtt_msgAlloc(USHRT_MAX))) {
76: printf("Error:: in mqtt buffer #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
77: args->free(args);
78: free(args);
79: return 1;
80: }
81:
82: strlcpy(szCfgName, DEFAULT_CONFIG, sizeof szCfgName);
83: while ((ch = getopt(argc, argv, "U:P:p:t:s:q:drc:W:M:fDvh")) != -1)
84: switch (ch) {
85: case 'M':
86: AIT_FREE_VAL(&args->Will.Msg);
87: AIT_SET_STR(&args->Will.Msg, optarg);
88: break;
89: case 'W':
90: AIT_FREE_VAL(&args->Will.Topic);
91: AIT_SET_STR(&args->Will.Topic, optarg);
92: break;
93: case 'U':
94: AIT_FREE_VAL(&args->User);
95: AIT_SET_STR(&args->User, optarg);
96: break;
97: case 'P':
98: AIT_FREE_VAL(&args->Pass);
99: AIT_SET_STR(&args->Pass, optarg);
100: break;
101: case 'p':
102: port = (u_short) strtol(optarg, NULL, 0);
103: break;
104: case 't':
105: AIT_FREE_VAL(&args->Publish);
106: AIT_SET_STR(&args->Publish, optarg);
107: break;
108: case 's':
109: v = malloc(sizeof(ait_val_t));
110: if (!v) {
111: printf("Error:: not enough memory #%d - %s\n", errno, strerror(errno));
112: args->free(args);
113: free(args);
114: return 1;
115: } else
116: AIT_SET_STR(v, optarg);
117: io_arrayElem(args->Subscribes, io_arraySize(args->Subscribes), v);
118: break;
119: case 'q':
120: args->QoS = (char) strtol(optarg, NULL, 0);
121: if (args->QoS < MQTT_QOS_ONCE || args->QoS > MQTT_QOS_EXACTLY) {
122: printf("Error:: invalid QoS level %d\n", args->QoS);
123: args->free(args);
124: free(args);
125: return 1;
126: }
127: break;
128: case 'd':
129: args->Dup++;
130: break;
131: case 'r':
132: args->Retain++;
133: break;
134: case 'f':
135: args->isFile++;
136: break;
137: case 'c':
138: strlcpy(szCfgName, optarg, sizeof szCfgName);
139: break;
140: case 'D':
141: batch = 0;
142: break;
143: case 'v':
144: Verbose++;
145: break;
146: case 'h':
147: default:
148: args->free(args);
149: free(args);
150: Usage();
151: return 1;
152: }
153: argc -= optind;
154: argv += optind;
155: if (!argc) {
156: printf("Error:: host for connect not found!\n");
157: args->free(args);
158: free(args);
159: Usage();
160: return 1;
161: }
162: if (argc > 1)
163: AIT_SET_STR(&args->Value, argv[1]);
164: if (!io_gethostbyname(*argv, port, &args->addr)) {
165: printf("Error:: host not connect #%d - %s\n", io_GetErrno(), io_GetError());
166: args->free(args);
167: free(args);
168: Usage();
169: return 1;
170: }
171: VERB(1) printf("Connecting to %s:%d ...\n", io_n2addr(&args->addr, &val), io_n2port(&args->addr));
172:
173: if (LoadConfig(szCfgName, &cfg)) {
174: printf("Error:: can't load #%d - %s\n", cfg_GetErrno(), cfg_GetError());
175: args->free(args);
176: free(args);
177: return 1;
178: }
179:
180: if ((sock = InitClient()) == -1) {
181: UnloadConfig(&cfg);
182: args->free(args);
183: free(args);
184: return 2;
185: }
186:
187: if (SendConnect(sock) == -1) {
188: close(sock);
189: UnloadConfig(&cfg);
190: args->free(args);
191: free(args);
192: return 3;
193: }
194:
195: shutdown(sock, SHUT_RDWR);
196: close(sock);
197:
198: UnloadConfig(&cfg);
199: args->free(args);
200: free(args);
201: return 0;
202: }
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