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:
11: struct tagArgs *args;
12:
13:
14: static void
15: Usage(void)
16: {
17: printf( " -= MQTT Publisher Client =- Publisher from ELWIX\n"
18: "=== %s@%s === Compiled: %s ===\n\n"
19: " Syntax: mqtt_pub [options] <connect_to_broker[:port]> <ConnectID> <topic> <value_for_publish>\n\n"
20: "\t-f\t\t\t'value_for_publish' is file name instead text\n"
21: "\t-q <QoS>\t\tQoS level (0-at most 1, 1-at least 1, 2-exactly 1)\n"
22: "\t-m <message_id>\t\tMessage ID for publish message\n"
23: "\t-d\t\t\tSend duplicate message\n"
24: "\t-r\t\t\tRetain message from broker\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 (default: 10sec)\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"
32: "\t-v\t\t\tVerbose (more -vvv, more verbose)\n"
33: "\t-h\t\t\tHelp! This screen\n\n",
34: compiledby, compilehost, compiled);
35: }
36:
37: static void
38: cleanArgs(struct tagArgs * __restrict args)
39: {
40: mqtt_msgFree(&args->msg, 42);
41: AIT_FREE_VAL(&args->Will.Msg);
42: AIT_FREE_VAL(&args->Will.Topic);
43: AIT_FREE_VAL(&args->User);
44: AIT_FREE_VAL(&args->Pass);
45: AIT_FREE_VAL(&args->Publish);
46: AIT_FREE_VAL(&args->Value);
47: AIT_FREE_VAL(&args->ConnID);
48: }
49:
50: static int
51: Publish(int sock)
52: {
53: int siz = 0;
54:
55: siz = mqtt_msgPUBLISH(args->msg, AIT_GET_STR(&args->Publish), args->MsgID, args->Dup,
56: args->QoS, args->Retain, AIT_GET_PTR2(&args->Value), AIT_LEN(&args->Value));
57: if (siz == -1) {
58: printf("Error:: msgPUBLISH #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
59: return -1;
60: }
61: if (SendTo(sock, siz) == -1)
62: return -1;
63: /* QoS == MQTT_QOS_ONCE, no wait for reply */
64: if (args->QoS == MQTT_QOS_ONCE)
65: return 0;
66:
67: if ((siz = RecvFrom(sock)) == -1 || !siz)
68: return -1;
69: /* QoS == MQTT_QOS_ACK, wait for PUBACK */
70: if (args->QoS == MQTT_QOS_ACK) {
71: siz = mqtt_readPUBACK(args->msg);
72: if (siz == args->MsgID)
73: return siz;
74: if (!args->Dup) {
75: args->Dup++;
76: return Publish(sock);
77: }
78: goto end;
79: }
80:
81:
82: /* QoS == MQTT_QOS_EXACTLY */
83: siz = mqtt_readPUBREC(args->msg);
84: if (siz != args->MsgID) {
85: if (!args->Dup) {
86: args->Dup++;
87: return Publish(sock);
88: }
89: goto end;
90: }
91:
92: siz = mqtt_msgPUBREL(args->msg, args->MsgID);
93: if (siz == -1) {
94: printf("Error:: msgPUBREL #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
95: return -1;
96: }
97: if (SendTo(sock, siz) == -1)
98: return -1;
99:
100: if ((siz = RecvFrom(sock)) == -1 || !siz)
101: return -1;
102:
103: siz = mqtt_readPUBCOMP(args->msg);
104: if (siz == args->MsgID)
105: return siz;
106: if (!args->Dup) {
107: args->Dup++;
108: return Publish(sock);
109: }
110:
111: end:
112: printf("Error:: Message not delivered\n");
113: return -1;
114: }
115:
116:
117: int
118: main(int argc, char **argv)
119: {
120: char ch;
121: ait_val_t val;
122: u_short port = atoi(MQTT_PORT);
123: int sock, ret = 0;
124:
125: if (!(args = malloc(sizeof(struct tagArgs)))) {
126: printf("Error:: in alloc arguments #%d - %s\n", errno, strerror(errno));
127: return 1;
128: } else
129: memset(args, 0, sizeof(struct tagArgs));
130: args->free = cleanArgs;
131:
132: if (!(args->msg = mqtt_msgAlloc(USHRT_MAX))) {
133: printf("Error:: in mqtt buffer #%d - %s\n", mqtt_GetErrno(), mqtt_GetError());
134: args->free(args);
135: free(args);
136: return 1;
137: }
138:
139: AIT_SET_STR(&args->ConnID, "");
140: AIT_SET_STR(&args->User, "");
141: AIT_SET_STR(&args->Pass, "");
142:
143: args->ka = MQTT_KEEPALIVE;
144: while ((ch = getopt(argc, argv, "T:U:P:p:q:drCW:M:m:fvh")) != -1)
145: switch (ch) {
146: case 'T':
147: args->ka = (u_short) strtol(optarg, NULL, 0);
148: break;
149: case 'M':
150: AIT_FREE_VAL(&args->Will.Msg);
151: AIT_SET_STR(&args->Will.Msg, optarg);
152: break;
153: case 'W':
154: AIT_FREE_VAL(&args->Will.Topic);
155: AIT_SET_STR(&args->Will.Topic, optarg);
156: break;
157: case 'U':
158: AIT_FREE_VAL(&args->User);
159: AIT_SET_STR(&args->User, optarg);
160: break;
161: case 'P':
162: AIT_FREE_VAL(&args->Pass);
163: AIT_SET_STR(&args->Pass, optarg);
164: break;
165: case 'm':
166: args->MsgID = (u_short) strtol(optarg, NULL, 0);
167: break;
168: case 'p':
169: port = (u_short) strtol(optarg, NULL, 0);
170: break;
171: case 'q':
172: args->QoS = (char) strtol(optarg, NULL, 0);
173: if (args->QoS > MQTT_QOS_EXACTLY) {
174: printf("Error:: invalid QoS level %d\n", args->QoS);
175: args->free(args);
176: free(args);
177: return 1;
178: }
179: break;
180: case 'd':
181: args->Dup++;
182: break;
183: case 'r':
184: args->Retain++;
185: break;
186: case 'C':
187: args->notClear++;
188: break;
189: case 'f':
190: args->isFile++;
191: break;
192: case 'v':
193: io_incDebug;
194: break;
195: case 'h':
196: default:
197: args->free(args);
198: free(args);
199: Usage();
200: return 1;
201: }
202: argc -= optind;
203: argv += optind;
204: if (argc < 4) {
205: printf("Error:: host for connect not found, connection id, topic or value not supplied!\n\n");
206: args->free(args);
207: free(args);
208: Usage();
209: return 1;
210: } else {
211: AIT_FREE_VAL(&args->ConnID);
212: AIT_SET_STR(&args->ConnID, argv[1]);
213: AIT_FREE_VAL(&args->Publish);
214: AIT_SET_STR(&args->Publish, argv[2]);
215: AIT_FREE_VAL(&args->Value);
216: AIT_SET_STR(&args->Value, argv[3]);
217: }
218: if (!io_gethostbyname(*argv, port, &args->addr)) {
219: printf("Error:: host not valid #%d - %s\n", io_GetErrno(), io_GetError());
220: args->free(args);
221: free(args);
222: Usage();
223: return 1;
224: }
225: if (args->QoS && !args->MsgID)
226: args->MsgID = MQTT_DEFAULT_MSGID;
227: ioVERBOSE(1) printf("Connecting to %s:%d ...\n", io_n2addr(&args->addr, &val), io_n2port(&args->addr));
228:
229: if ((sock = InitClient()) == -1) {
230: args->free(args);
231: free(args);
232: return 2;
233: }
234:
235: if (args->isFile && !OpenFile()) {
236: args->free(args);
237: free(args);
238: return 3;
239: }
240:
241: printf("Connected ... ");
242: switch ((ret = ConnectClient(sock))) {
243: case -1:
244: printf(">> FAILED!\n");
245: break;
246: case MQTT_RETCODE_ACCEPTED:
247: printf(">> OK\n");
248: break;
249: case MQTT_RETCODE_REFUSE_VER:
250: printf(">> Incorrect version\n");
251: break;
252: case MQTT_RETCODE_REFUSE_ID:
253: printf(">> Incorrect connectID\n");
254: break;
255: case MQTT_RETCODE_REFUSE_UNAVAIL:
256: printf(">> Service unavailable\n");
257: break;
258: case MQTT_RETCODE_REFUSE_USERPASS:
259: printf(">> Refuse user/pass\n");
260: break;
261: case MQTT_RETCODE_DENIED:
262: printf(">> DENIED.\n");
263: break;
264: }
265:
266: if (ret == MQTT_RETCODE_ACCEPTED) {
267: ret = !(Publish(sock) == args->MsgID);
268: CloseClient(sock);
269: } else {
270: close(sock);
271: ret = 4;
272: }
273:
274: CloseFile();
275: args->free(args);
276: free(args);
277: return ret;
278: }
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