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| <p class='location'>Struct MQTTAsync_connectOptions</p><div class="block items"><ul><li><a href="#fields">Fields</a></li><li><a href="#implementations">Trait Implementations</a></li></ul></div><p class='location'><a href='index.html'>paho_mqtt3as_sys</a></p><script>window.sidebarCurrent = {name: 'MQTTAsync_connectOptions', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script> |
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| <h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>paho_mqtt3as_sys</a>::<wbr><a class="struct" href=''>MQTTAsync_connectOptions</a></span><span class='out-of-band'><span id='render-detail'> |
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| [<span class='inner'>−</span>] |
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| </span><a class='srclink' href='../src/paho_mqtt3as_sys/home/fmp/mqtt/paho-rust/target/debug/build/paho-mqtt3as-sys-8520fd8db5dd3f65/out/bindings.rs.html#2141-2235' title='goto source code'>[src]</a></span></h1> |
| <pre class='rust struct'><div class="docblock attributes">#[repr(C)] |
| </div>pub struct MQTTAsync_connectOptions { |
| pub struct_id: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.array.html">[</a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.array.html">; 4]</a>, |
| pub struct_version: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub keepAliveInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub cleansession: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub maxInflight: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub will: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_willOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_willOptions">MQTTAsync_willOptions</a>, |
| pub username: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a>, |
| pub password: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a>, |
| pub connectTimeout: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub retryInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub ssl: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_SSLOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_SSLOptions">MQTTAsync_SSLOptions</a>, |
| pub onSuccess: <a class="type" href="../paho_mqtt3as_sys/type.MQTTAsync_onSuccess.html" title="type paho_mqtt3as_sys::MQTTAsync_onSuccess">MQTTAsync_onSuccess</a>, |
| pub onFailure: <a class="type" href="../paho_mqtt3as_sys/type.MQTTAsync_onFailure.html" title="type paho_mqtt3as_sys::MQTTAsync_onFailure">MQTTAsync_onFailure</a>, |
| pub context: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="enum" href="https://doc.rust-lang.org/nightly/std/os/raw/enum.c_void.html" title="enum std::os::raw::c_void">c_void</a>, |
| pub serverURIcount: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub serverURIs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a>, |
| pub MQTTVersion: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub automaticReconnect: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub minRetryInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub maxRetryInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a>, |
| pub binarypwd: <a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_connectOptions__bindgen_ty_1.html" title="struct paho_mqtt3as_sys::MQTTAsync_connectOptions__bindgen_ty_1">MQTTAsync_connectOptions__bindgen_ty_1</a>, |
| }</pre><div class='docblock'><p>MQTTAsync_connectOptions defines several settings that control the way the |
| client connects to an MQTT server. Default values are set in |
| MQTTAsync_connectOptions_initializer.</p> |
| </div><h2 id='fields' class='fields'>Fields</h2><span id='structfield.struct_id' class="structfield"> |
| <span id='struct_id.v' class='invisible'> |
| <code>struct_id: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.array.html">[</a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.array.html">; 4]</a></code> |
| </span></span><div class='docblock'><p>The eyecatcher for this structure. must be MQTC.</p> |
| </div><span id='structfield.struct_version' class="structfield"> |
| <span id='struct_version.v' class='invisible'> |
| <code>struct_version: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>The version number of this structure. Must be 0, 1, 2, 3 4 or 5. |
| 0 signifies no SSL options and no serverURIs |
| 1 signifies no serverURIs |
| 2 signifies no MQTTVersion |
| 3 signifies no automatic reconnect options |
| 4 signifies no binary password option (just string)</p> |
| </div><span id='structfield.keepAliveInterval' class="structfield"> |
| <span id='keepAliveInterval.v' class='invisible'> |
| <code>keepAliveInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>The "keep alive" interval, measured in seconds, defines the maximum time |
| that should pass without communication between the client and the server |
| The client will ensure that at least one message travels across the |
| network within each keep alive period. In the absence of a data-related |
| message during the time period, the client sends a very small MQTT |
| "ping" message, which the server will acknowledge. The keep alive |
| interval enables the client to detect when the server is no longer |
| available without having to wait for the long TCP/IP timeout. |
| Set to 0 if you do not want any keep alive processing.</p> |
| </div><span id='structfield.cleansession' class="structfield"> |
| <span id='cleansession.v' class='invisible'> |
| <code>cleansession: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>This is a boolean value. The cleansession setting controls the behaviour |
| of both the client and the server at connection and disconnection time. |
| The client and server both maintain session state information. This |
| information is used to ensure "at least once" and "exactly once" |
| delivery, and "exactly once" receipt of messages. Session state also |
| includes subscriptions created by an MQTT client. You can choose to |
| maintain or discard state information between sessions.</p> |
| |
| <p>When cleansession is true, the state information is discarded at |
| connect and disconnect. Setting cleansession to false keeps the state |
| information. When you connect an MQTT client application with |
| MQTTAsync_connect(), the client identifies the connection using the |
| client identifier and the address of the server. The server checks |
| whether session information for this client |
| has been saved from a previous connection to the server. If a previous |
| session still exists, and cleansession=true, then the previous session |
| information at the client and server is cleared. If cleansession=false, |
| the previous session is resumed. If no previous session exists, a new |
| session is started.</p> |
| </div><span id='structfield.maxInflight' class="structfield"> |
| <span id='maxInflight.v' class='invisible'> |
| <code>maxInflight: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>This controls how many messages can be in-flight simultaneously.</p> |
| </div><span id='structfield.will' class="structfield"> |
| <span id='will.v' class='invisible'> |
| <code>will: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_willOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_willOptions">MQTTAsync_willOptions</a></code> |
| </span></span><div class='docblock'><p>This is a pointer to an MQTTAsync_willOptions structure. If your |
| application does not make use of the Last Will and Testament feature, |
| set this pointer to NULL.</p> |
| </div><span id='structfield.username' class="structfield"> |
| <span id='username.v' class='invisible'> |
| <code>username: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a></code> |
| </span></span><div class='docblock'><p>MQTT servers that support the MQTT v3.1 protocol provide authentication |
| and authorisation by user name and password. This is the user name |
| parameter.</p> |
| </div><span id='structfield.password' class="structfield"> |
| <span id='password.v' class='invisible'> |
| <code>password: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a></code> |
| </span></span><div class='docblock'><p>MQTT servers that support the MQTT v3.1 protocol provide authentication |
| and authorisation by user name and password. This is the password |
| parameter.</p> |
| </div><span id='structfield.connectTimeout' class="structfield"> |
| <span id='connectTimeout.v' class='invisible'> |
| <code>connectTimeout: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>The time interval in seconds to allow a connect to complete.</p> |
| </div><span id='structfield.retryInterval' class="structfield"> |
| <span id='retryInterval.v' class='invisible'> |
| <code>retryInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>The time interval in seconds</p> |
| </div><span id='structfield.ssl' class="structfield"> |
| <span id='ssl.v' class='invisible'> |
| <code>ssl: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_SSLOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_SSLOptions">MQTTAsync_SSLOptions</a></code> |
| </span></span><div class='docblock'><p>This is a pointer to an MQTTAsync_SSLOptions structure. If your |
| application does not make use of SSL, set this pointer to NULL.</p> |
| </div><span id='structfield.onSuccess' class="structfield"> |
| <span id='onSuccess.v' class='invisible'> |
| <code>onSuccess: <a class="type" href="../paho_mqtt3as_sys/type.MQTTAsync_onSuccess.html" title="type paho_mqtt3as_sys::MQTTAsync_onSuccess">MQTTAsync_onSuccess</a></code> |
| </span></span><div class='docblock'><p>A pointer to a callback function to be called if the connect successfully |
| completes. Can be set to NULL, in which case no indication of successful |
| completion will be received.</p> |
| </div><span id='structfield.onFailure' class="structfield"> |
| <span id='onFailure.v' class='invisible'> |
| <code>onFailure: <a class="type" href="../paho_mqtt3as_sys/type.MQTTAsync_onFailure.html" title="type paho_mqtt3as_sys::MQTTAsync_onFailure">MQTTAsync_onFailure</a></code> |
| </span></span><div class='docblock'><p>A pointer to a callback function to be called if the connect fails. |
| Can be set to NULL, in which case no indication of unsuccessful |
| completion will be received.</p> |
| </div><span id='structfield.context' class="structfield"> |
| <span id='context.v' class='invisible'> |
| <code>context: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="enum" href="https://doc.rust-lang.org/nightly/std/os/raw/enum.c_void.html" title="enum std::os::raw::c_void">c_void</a></code> |
| </span></span><div class='docblock'><p>A pointer to any application-specific context. The |
| the <i>context</i> pointer is passed to success or failure callback functions to |
| provide access to the context information in the callback.</p> |
| </div><span id='structfield.serverURIcount' class="structfield"> |
| <span id='serverURIcount.v' class='invisible'> |
| <code>serverURIcount: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>The number of entries in the serverURIs array.</p> |
| </div><span id='structfield.serverURIs' class="structfield"> |
| <span id='serverURIs.v' class='invisible'> |
| <code>serverURIs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_char.html" title="type std::os::raw::c_char">c_char</a></code> |
| </span></span><div class='docblock'><p>An array of null-terminated strings specifying the servers to |
| which the client will connect. Each string takes the form <i>protocol://host:port</i>. |
| <i>protocol</i> must be <i>tcp</i> or <i>ssl</i>. For <i>host</i>, you can |
| specify either an IP address or a domain name. For instance, to connect to |
| a server running on the local machines with the default MQTT port, specify |
| <i>tcp://localhost:1883</i>.</p> |
| </div><span id='structfield.MQTTVersion' class="structfield"> |
| <span id='MQTTVersion.v' class='invisible'> |
| <code>MQTTVersion: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>Sets the version of MQTT to be used on the connect. |
| MQTTVERSION_DEFAULT (0) = default: start with 3.1.1, and if that fails, fall back to 3.1 |
| MQTTVERSION_3_1 (3) = only try version 3.1 |
| MQTTVERSION_3_1_1 (4) = only try version 3.1.1</p> |
| </div><span id='structfield.automaticReconnect' class="structfield"> |
| <span id='automaticReconnect.v' class='invisible'> |
| <code>automaticReconnect: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>Reconnect automatically in the case of a connection being lost?</p> |
| </div><span id='structfield.minRetryInterval' class="structfield"> |
| <span id='minRetryInterval.v' class='invisible'> |
| <code>minRetryInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>Minimum retry interval in seconds. Doubled on each failed retry.</p> |
| </div><span id='structfield.maxRetryInterval' class="structfield"> |
| <span id='maxRetryInterval.v' class='invisible'> |
| <code>maxRetryInterval: <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></code> |
| </span></span><div class='docblock'><p>Maximum retry interval in seconds. The doubling stops here on failed retries.</p> |
| </div><span id='structfield.binarypwd' class="structfield"> |
| <span id='binarypwd.v' class='invisible'> |
| <code>binarypwd: <a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_connectOptions__bindgen_ty_1.html" title="struct paho_mqtt3as_sys::MQTTAsync_connectOptions__bindgen_ty_1">MQTTAsync_connectOptions__bindgen_ty_1</a></code> |
| </span></span><h2 id='implementations'>Trait Implementations</h2><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_connectOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_connectOptions">MQTTAsync_connectOptions</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/paho_mqtt3as_sys/home/fmp/mqtt/paho-rust/target/debug/build/paho-mqtt3as-sys-8520fd8db5dd3f65/out/bindings.rs.html#2140' title='goto source code'>[src]</a></span></h3> |
| <div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, __arg_0: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span></h4> |
| <div class='docblock'><p>Formats the value using the given formatter.</p> |
| </div></div><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_connectOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_connectOptions">MQTTAsync_connectOptions</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/paho_mqtt3as_sys/home/fmp/mqtt/paho-rust/target/debug/build/paho-mqtt3as-sys-8520fd8db5dd3f65/out/bindings.rs.html#2140' title='goto source code'>[src]</a></span></h3> |
| <div class='impl-items'></div><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_connectOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_connectOptions">MQTTAsync_connectOptions</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/paho_mqtt3as_sys/home/fmp/mqtt/paho-rust/target/debug/build/paho-mqtt3as-sys-8520fd8db5dd3f65/out/bindings.rs.html#2408-2410' title='goto source code'>[src]</a></span></h3> |
| <div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> Self</code></span></h4> |
| <div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p> |
| </div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: &Self)</code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></span></h4> |
| <div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p> |
| </div></div><h3 class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_connectOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_connectOptions">MQTTAsync_connectOptions</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/paho_mqtt3as_sys/lib.rs.html#34-63' title='goto source code'>[src]</a></span></h3> |
| <div class='impl-items'><h4 id='method.default' class="method"><span id='default.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default' class='fnname'>default</a>() -> <a class="struct" href="../paho_mqtt3as_sys/struct.MQTTAsync_connectOptions.html" title="struct paho_mqtt3as_sys::MQTTAsync_connectOptions">MQTTAsync_connectOptions</a></code></span></h4> |
| <div class='docblock'><p>Returns the "default value" for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></p> |
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