pub async fn connect(mut config: Config) -> Result<Self, AuthorizationError> {
        let dc_id = config
            .session
            .get_user()
            .map(|u| u.dc)
            .unwrap_or(DEFAULT_DC);
        let (sender, request_tx) = connect_sender(dc_id, &config).await?;
        let message_box = if config.params.catch_up {
            if let Some(state) = config.session.get_state() {
                MessageBox::load(state)
            } else {
                MessageBox::new()
            }
        } else {
            // If the user doesn't want to bother with catching up on previous update, start with
            // pristine state instead.
            MessageBox::new()
        };

        // Pre-allocate the right `VecDeque` size if a limit is given.
        let updates = if let Some(limit) = config.params.update_queue_limit {
            VecDeque::with_capacity(limit)
        } else {
            VecDeque::new()
        };

        // "Remove" the limit to avoid checking for it (and avoid warning).
        if let Some(0) = config.params.update_queue_limit {
            config.params.update_queue_limit = None;
        }

        let self_user = config.session.get_user();

        // TODO Sender doesn't have a way to handle backpressure yet
        let client = Self(Arc::new(ClientInner {
            id: utils::generate_random_id(),
            sender: AsyncMutex::new("client.sender", sender),
            stepping_done: Notify::new(),
            dc_id: Mutex::new("client.dc_id", dc_id),
            config,
            message_box: Mutex::new("client.message_box", message_box),
            chat_hashes: Mutex::new(
                "client.chat_hashes",
                ChatHashCache::new(self_user.map(|u| (u.id, u.bot))),
            ),
            last_update_limit_warn: Mutex::new("client.last_update_limit_warn", None),
            updates: Mutex::new("client.updates", updates),
            request_tx: Mutex::new("client.request_tx", request_tx),
        }));

        // Don't bother getting pristine state if we're not logged in.
        if client
            .0
            .message_box
            .lock("client.connect.is_empty")
            .is_empty()
            && client.0.config.session.signed_in()
        {
            match client.invoke(&tl::functions::updates::GetState {}).await {
                Ok(state) => {
                    client
                        .0
                        .message_box
                        .lock("client.connect.set_state")
                        .set_state(state);
                    client.sync_update_state();
                }
                Err(_) => {
                    // The account may no longer actually be logged in, or it can rarely fail.
                    // `message_box` will try to correct its state as updates arrive.
                }
            }
        }

        Ok(client)
    }
/// Creates and returns a new client instance upon successful connection to Telegram.
///
/// If the session in the configuration did not have an authorization key, a new one
/// will be created and the session will be saved with it.
///
/// The connection will be initialized with the data from the input configuration.
///
/// # Examples
///
/// ```
/// use grammers_client::{Client, Config};
/// use grammers_session::Session;
///
/// // Note: these are example values and are not actually valid.
/// //       Obtain your own with the developer's phone at https://my.telegram.org.
/// const API_ID: i32 = 932939;
/// const API_HASH: &str = "514727c32270b9eb8cc16daf17e21e57";
///
/// # async fn f() -> Result<(), Box<dyn std::error::Error>> {
/// let client = Client::connect(Config {
///     session: Session::load_file_or_create("hello-world.session")?,
///     api_id: API_ID,
///     api_hash: API_HASH.to_string(),
///     params: Default::default(),
/// }).await?;
/// # Ok(())
/// # }
/// ```
Creates and returns a new client instance upon successful connection to Telegram.
If the session in the configuration did not have an authorization key, a new one
will be created and the session will be saved with it.

The connection will be initialized with the data from the input configuration.
Creates and returns a new client instance upon successful connection to Telegram . If the session in the configuration did not have an authorization key a new one will be created and the session will be saved with it . The connection will be initialized with the data from the input configuration .
pub async fn connect(mut config: Config) -> Result<Self, AuthorizationError> {
        let dc_id = config
            .session
            .get_user()
            .map(|u| u.dc)
            .unwrap_or(DEFAULT_DC);
        let (sender, request_tx) = connect_sender(dc_id, &config).await?;
        let message_box = if config.params.catch_up {
            if let Some(state) = config.session.get_state() {
                MessageBox::load(state)
            } else {
                MessageBox::new()
            }
        } else {
            // If the user doesn't want to bother with catching up on previous update, start with
            // pristine state instead.
            MessageBox::new()
        };
        // Pre-allocate the right `VecDeque` size if a limit is given.
        let updates = if let Some(limit) = config.params.update_queue_limit {
            VecDeque::with_capacity(limit)
        } else {
            VecDeque::new()
        };
        // "Remove" the limit to avoid checking for it (and avoid warning).
        if let Some(0) = config.params.update_queue_limit {
            config.params.update_queue_limit = None;
        }
        let self_user = config.session.get_user();
        // TODO Sender doesn't have a way to handle backpressure yet
        let client = Self(Arc::new(ClientInner {
            id: utils::generate_random_id(),
            sender: AsyncMutex::new("client.sender", sender),
            stepping_done: Notify::new(),
            dc_id: Mutex::new("client.dc_id", dc_id),
            config,
            message_box: Mutex::new("client.message_box", message_box),
            chat_hashes: Mutex::new(
                "client.chat_hashes",
                ChatHashCache::new(self_user.map(|u| (u.id, u.bot))),
            ),
            last_update_limit_warn: Mutex::new("client.last_update_limit_warn", None),
            updates: Mutex::new("client.updates", updates),
            request_tx: Mutex::new("client.request_tx", request_tx),
        }));
        // Don't bother getting pristine state if we're not logged in.
        if client
            .0
            .message_box
            .lock("client.connect.is_empty")
            .is_empty()
            && client.0.config.session.signed_in()
        {
            match client.invoke(&tl::functions::updates::GetState {}).await {
                Ok(state) => {
                    client
                        .0
                        .message_box
                        .lock("client.connect.set_state")
                        .set_state(state);
                    client.sync_update_state();
                }
                Err(_) => {
                    // The account may no longer actually be logged in, or it can rarely fail.
                    // `message_box` will try to correct its state as updates arrive.
                }
            }
        }
        Ok(client)
    }
pub async fn connect ( mut config : Config ) -> Result < Self , AuthorizationError > { let dc_id = config . session . get_user ( ) . map ( | u | u . dc ) . unwrap_or ( DEFAULT_DC ) ; let ( sender , request_tx ) = connect_sender ( dc_id , & config ) . await ? ; let message_box = if config . params . catch_up { if let Some ( state ) = config . session . get_state ( ) { MessageBox :: load ( state ) } else { MessageBox :: new ( ) } } else { // If the user doesn't want to bother with catching up on previous update, start with // pristine state instead. MessageBox :: new ( ) } ; // Pre-allocate the right `VecDeque` size if a limit is given. let updates = if let Some ( limit ) = config . params . update_queue_limit { VecDeque :: with_capacity ( limit ) } else { VecDeque :: new ( ) } ; // "Remove" the limit to avoid checking for it (and avoid warning). if let Some ( 0 ) = config . params . update_queue_limit { config . params . update_queue_limit = None ; } let self_user = config . session . get_user ( ) ; // TODO Sender doesn't have a way to handle backpressure yet let client = Self ( Arc :: new ( ClientInner { id : utils :: generate_random_id ( ) , sender : AsyncMutex :: new ( " " , sender ) , stepping_done : Notify :: new ( ) , dc_id : Mutex :: new ( " " , dc_id ) , config , message_box : Mutex :: new ( " " , message_box ) , chat_hashes : Mutex :: new ( " " , ChatHashCache :: new ( self_user . map ( | u | ( u . id , u . bot ) ) ) , ) , last_update_limit_warn : Mutex :: new ( " " , None ) , updates : Mutex :: new ( " " , updates ) , request_tx : Mutex :: new ( " " , request_tx ) , } ) ) ; // Don't bother getting pristine state if we're not logged in. if client . 0 . message_box . lock ( " " ) . is_empty ( ) && client . 0 . config . session . signed_in ( ) { match client . invoke ( & tl :: functions :: updates :: GetState { } ) . await { Ok ( state ) => { client . 0 . message_box . lock ( " " ) . set_state ( state ) ; client . sync_update_state ( ) ; } Err ( _ ) => { // The account may no longer actually be logged in, or it can rarely fail. // `message_box` will try to correct its state as updates arrive. } } } Ok ( client ) }
Creates and returns a new client instance upon successful connection to Telegram.
Creates and returns a new client instance upon successful connection to Telegram .
config
Config
config
Config
examples
```
use grammers_client::{Client, Config};
use grammers_session::Session.

these are example values and are not actually valid.
` ` ` use grammers_client :: { Client Config } ; use grammers_session :: Session . these are example values and are not actually valid .
async fn f() -> result<(), box<dyn std::error::error>> {
let client = Client::connect(Config {
session: Session::load_file_or_create("hello-world.session")?,
api_id: API_ID,
api_hash: API_HASH.to_string(),
params: Default::default(),
}).await?.
let client = Client :: connect ( Config { session : Session :: load_file_or_create ( " hello - world . session " ) ? api_id : API_ID api_hash : API_HASH . to_string () params : Default :: default () } ) . await? .
ok(())
None
}
None