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12.
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Clients can receive messages by creating subscriptions. A subscription may be to an explicit topic, in which case only messages to that topic will be received, or it may include wildcards. Two wildcards are available, <option>+</option> or <option>#</option>.
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(no translation yet)
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Located in
mqtt.7.xml:59(para)
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13.
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<option>+</option> can be used as a wildcard for a single level of hierarchy. It could be used with the topic above to get information on all computers and hard drives as follows:
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(no translation yet)
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Located in
mqtt.7.xml:63(para)
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14.
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sensors/+/temperature/+
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(no translation yet)
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Located in
mqtt.7.xml:67(listitem)
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15.
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As another example, for a topic of "a/b/c/d", the following example subscriptions will match:
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(no translation yet)
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Located in
mqtt.7.xml:69(para)
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16.
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a/b/c/d
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a/b/c/d
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Translated and reviewed by
Miguel de Dios
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Located in
mqtt.7.xml:72(para) mqtt.7.xml:89(para)
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17.
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+/b/c/d
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(no translation yet)
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Located in
mqtt.7.xml:73(para)
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18.
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a/+/c/d
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(no translation yet)
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Located in
mqtt.7.xml:74(para)
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19.
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a/+/+/d
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(no translation yet)
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Located in
mqtt.7.xml:75(para)
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20.
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+/+/+/+
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(no translation yet)
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Located in
mqtt.7.xml:76(para)
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21.
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The following subscriptions will not match:
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(no translation yet)
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Located in
mqtt.7.xml:78(para)
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