41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
#include <mosquitto.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int isConnected = 0;
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void connect_callback(struct mosquitto *mosq, void *obj, int rc)
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{
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if (rc == 0)
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{
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printf("---连接服务器成功---\n");
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isConnected = 1;
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}
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}
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int main(int argc, char const *argv[])
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{
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if (argc < 3)
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{
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printf("format: ./pub1 msgid topic msg");
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return -1;
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}
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mosquitto_lib_init();
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struct mosquitto *client = mosquitto_new(NULL, true, NULL);
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mosquitto_connect_callback_set(client, connect_callback);
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mosquitto_connect(client, "10.12.156.19", 1883, 60);
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mosquitto_loop_start(client);
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while (isConnected == 0)
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;
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int msg_id = atoi(argv[1]);
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char *topic = (char *)argv[2];
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char *msg = (char *)argv[3];
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int flag =
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mosquitto_publish(client, &msg_id, topic, strlen(msg), msg, 1, true);
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if (flag == MOSQ_ERR_SUCCESS)
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{
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printf("---消息发布成功: %s(%d):%s---\n", topic, msg_id, msg);
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mosquitto_destroy(client);
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mosquitto_lib_cleanup();
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}
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return 0;
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} |