1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
// This file is @generated by prost-build.
/// Request sent to FCM from the connected client.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct UpstreamRequest {
    /// The type of request the client is making to FCM.
    #[prost(oneof = "upstream_request::RequestType", tags = "1")]
    pub request_type: ::core::option::Option<upstream_request::RequestType>,
}
/// Nested message and enum types in `UpstreamRequest`.
pub mod upstream_request {
    /// The type of request the client is making to FCM.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum RequestType {
        /// Message acknowledgement.
        #[prost(message, tag = "1")]
        Ack(super::Ack),
    }
}
/// Response sent to the connected client from FCM.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct DownstreamResponse {
    /// The type of response FCM is sending to the client.
    #[prost(oneof = "downstream_response::ResponseType", tags = "1")]
    pub response_type: ::core::option::Option<downstream_response::ResponseType>,
}
/// Nested message and enum types in `DownstreamResponse`.
pub mod downstream_response {
    /// The type of response FCM is sending to the client.
    #[derive(Clone, PartialEq, ::prost::Oneof)]
    pub enum ResponseType {
        /// Message sent to FCM via the [Send
        /// API](<https://firebase.google.com/docs/cloud-messaging/send-message>)
        /// targeting this client.
        #[prost(message, tag = "1")]
        Message(super::Message),
    }
}
/// Acknowledgement to indicate a client successfully received an FCM message.
///
/// If a message is not acked, FCM will continously resend the message until
/// it expires. Duplicate delivery in this case is working as intended.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Ack {
    /// Id of message being acknowledged
    #[prost(string, tag = "1")]
    pub message_id: ::prost::alloc::string::String,
}
/// Message created through the [Send
/// API](<https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#resource-message>).
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Message {
    /// The identifier of the message. Used to ack the message.
    #[prost(string, tag = "1")]
    pub message_id: ::prost::alloc::string::String,
    /// Time the message was received in FCM.
    #[prost(message, optional, tag = "2")]
    pub create_time: ::core::option::Option<::prost_types::Timestamp>,
    /// Expiry time of the message. Currently it is always 4 weeks.
    #[prost(message, optional, tag = "3")]
    pub expire_time: ::core::option::Option<::prost_types::Timestamp>,
    /// The arbitrary payload set in the [Send
    /// API](<https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages#resource-message>).
    #[prost(btree_map = "string, string", tag = "4")]
    pub data: ::prost::alloc::collections::BTreeMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
}
/// Generated client implementations.
pub mod connection_api_client {
    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
    use tonic::codegen::*;
    use tonic::codegen::http::Uri;
    /// FCM's service to create client connections to send/receive messages.
    #[derive(Debug, Clone)]
    pub struct ConnectionApiClient<T> {
        inner: tonic::client::Grpc<T>,
    }
    impl<T> ConnectionApiClient<T>
    where
        T: tonic::client::GrpcService<tonic::body::BoxBody>,
        T::Error: Into<StdError>,
        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
    {
        pub fn new(inner: T) -> Self {
            let inner = tonic::client::Grpc::new(inner);
            Self { inner }
        }
        pub fn with_origin(inner: T, origin: Uri) -> Self {
            let inner = tonic::client::Grpc::with_origin(inner, origin);
            Self { inner }
        }
        pub fn with_interceptor<F>(
            inner: T,
            interceptor: F,
        ) -> ConnectionApiClient<InterceptedService<T, F>>
        where
            F: tonic::service::Interceptor,
            T::ResponseBody: Default,
            T: tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
                Response = http::Response<
                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
                >,
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
        {
            ConnectionApiClient::new(InterceptedService::new(inner, interceptor))
        }
        /// Compress requests with the given encoding.
        ///
        /// This requires the server to support it otherwise it might respond with an
        /// error.
        #[must_use]
        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.send_compressed(encoding);
            self
        }
        /// Enable decompressing responses.
        #[must_use]
        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
            self.inner = self.inner.accept_compressed(encoding);
            self
        }
        /// Limits the maximum size of a decoded message.
        ///
        /// Default: `4MB`
        #[must_use]
        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_decoding_message_size(limit);
            self
        }
        /// Limits the maximum size of an encoded message.
        ///
        /// Default: `usize::MAX`
        #[must_use]
        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
            self.inner = self.inner.max_encoding_message_size(limit);
            self
        }
        /// Creates a streaming connection with FCM to send messages and their
        /// respective ACKs.
        ///
        /// The client credentials need to be passed in the [gRPC
        /// Metadata](https://grpc.io/docs/guides/concepts.html#metadata). The Format
        /// of the header is:
        ///   Key: "authorization"
        ///   Value: "Checkin [client_id:secret]"
        ///
        ///
        /// The project's API key also needs to be sent to authorize the project.
        /// That can be set in the X-Goog-Api-Key Metadata header.
        pub async fn connect(
            &mut self,
            request: impl tonic::IntoStreamingRequest<Message = super::UpstreamRequest>,
        ) -> std::result::Result<
            tonic::Response<tonic::codec::Streaming<super::DownstreamResponse>>,
            tonic::Status,
        > {
            self.inner
                .ready()
                .await
                .map_err(|e| {
                    tonic::Status::new(
                        tonic::Code::Unknown,
                        format!("Service was not ready: {}", e.into()),
                    )
                })?;
            let codec = tonic::codec::ProstCodec::default();
            let path = http::uri::PathAndQuery::from_static(
                "/google.firebase.fcm.connection.v1alpha1.ConnectionApi/Connect",
            );
            let mut req = request.into_streaming_request();
            req.extensions_mut()
                .insert(
                    GrpcMethod::new(
                        "google.firebase.fcm.connection.v1alpha1.ConnectionApi",
                        "Connect",
                    ),
                );
            self.inner.streaming(req, path, codec).await
        }
    }
}