added handling to list some nodes and contracts

brain.proto

@@ -49,6 +49,11 @@ message VMContract {
   string created_at = 13;
 }
 
+message ListVMContractsReq {
+  string admin_pubkey = 1;
+  string node_pubkey = 2;
+}
+
 message NewVMConfirmation {
   repeated uint32 exposed_ports = 1;
   string public_ipv4 = 2;
@@ -63,7 +68,7 @@ service BrainDaemonService {
   rpc RegisterNode (RegisterNodeRequest) returns (Empty);
   rpc NewVMUpdates (stream NewVMConfirmation) returns (stream NewVMRequest);
   rpc DeletedVMUpdates (Empty) returns (stream DeletedVMUpdate);
-  rpc ListVMContracts (Empty) returns (stream VMContract);
+  rpc ListVMContracts (ListVMContractsReq) returns (stream VMContract);
 }
 
 message NodeFilters {
@@ -76,7 +81,7 @@ message NodeFilters {
   string country = 7;
 }
 
-message NodeListResponse {
+message NodeListResp {
   string node_pubkey = 1;
   string country = 2;
   string city = 3;
@@ -87,7 +92,7 @@ message NodeListResponse {
 
 service BrainCliService {
   rpc CreateVMContract (NewVMRequest) returns (NewVMConfirmation);
-  rpc ListVMContracts (Empty) returns (stream VMContract);
-  rpc ListNodes (NodeFilters) returns (stream NodeListResponse);
+  rpc ListVMContracts (ListVMContractsReq) returns (stream VMContract);
+  rpc ListNodes (NodeFilters) returns (stream NodeListResp);
 }
 

src/data.rs

@@ -7,10 +7,13 @@ pub struct BrainData {
     pub contracts: RwLock<Vec<Contract>>,
 }
 
-#[derive(Clone)]
+#[derive(Eq, Hash, PartialEq, Clone)]
 pub struct Node {
     pub public_key: String,
     pub owner_key: String,
+    pub country: String,
+    pub city: String,
+    pub ip: String,
     pub hostname: String,
     pub avail_mem_mb: u32,
     pub avail_vcpus: u32,
@@ -21,6 +24,19 @@ pub struct Node {
     pub max_ports_per_vm: u32,
 }
 
+impl Into<crate::grpc::brain::NodeListResp> for Node {
+    fn into(self) -> crate::grpc::brain::NodeListResp {
+        crate::grpc::brain::NodeListResp {
+            node_pubkey: self.public_key,
+            country: self.country,
+            city: self.city,
+            ip: self.ip,
+            server_rating: 0,
+            provider_rating: 0,
+        }
+    }
+}
+
 #[derive(Clone)]
 pub struct Contract {
     pub uuid: String,
@@ -38,6 +54,26 @@ pub struct Contract {
     pub created_at: String,
 }
 
+impl Into<crate::grpc::brain::VmContract> for Contract {
+    fn into(self) -> crate::grpc::brain::VmContract {
+        crate::grpc::brain::VmContract {
+            uuid: self.uuid,
+            hostname: self.hostname,
+            admin_pubkey: self.admin_pubkey,
+            node_pubkey: self.node_pubkey,
+            exposed_ports: self.exposed_ports,
+            public_ipv4: self.public_ipv4,
+            public_ipv6: self.public_ipv6,
+            disk_size_gb: self.disk_size_gb,
+            vcpus: self.vcpus,
+            memory_mb: self.memory_mb,
+            kernel_sha: self.kernel_sha,
+            dtrfs_sha: self.dtrfs_sha,
+            created_at: self.created_at,
+        }
+    }
+}
+
 impl BrainData {
     pub fn new() -> Arc<Self> {
         Arc::new(Self {
@@ -56,40 +92,32 @@ impl BrainData {
         contracts.push(contract);
     }
 
-    pub async fn find_contract_by_pubkey(&self, public_key: &str) -> Option<Node> {
+    pub async fn find_nodes_by_pubkey(&self, public_key: &str) -> Option<Node> {
         let nodes = self.nodes.read().await;
         nodes.iter().cloned().find(|n| n.public_key == public_key)
     }
 
-    pub async fn find_contract_by_owner_key(&self, owner_key: &str) -> Option<Node> {
+    pub async fn find_nodes_by_owner_key(&self, owner_key: &str) -> Option<Node> {
         let nodes = self.nodes.read().await;
         nodes.iter().cloned().find(|n| n.owner_key == owner_key)
     }
 
-    pub async fn find_nodes_by_avail_vcpus(&self, min_vcpus: u32) -> Vec<Node> {
+    pub async fn find_nodes_by_filters(
+        &self,
+        filters: &crate::grpc::brain::NodeFilters,
+    ) -> Vec<Node> {
         let nodes = self.nodes.read().await;
         nodes
             .iter()
             .cloned()
-            .filter(|n| n.avail_vcpus >= min_vcpus)
-            .collect()
-    }
-
-    pub async fn find_nodes_by_avail_mem(&self, min_mem_mb: u32) -> Vec<Node> {
-        let nodes = self.nodes.read().await;
-        nodes
-            .iter()
-            .cloned()
-            .filter(|n| n.avail_mem_mb >= min_mem_mb)
-            .collect()
-    }
-
-    pub async fn find_nodes_by_avail_storage(&self, min_storage_gb: u32) -> Vec<Node> {
-        let nodes = self.nodes.read().await;
-        nodes
-            .iter()
-            .cloned()
-            .filter(|n| n.avail_storage_gbs >= min_storage_gb)
+            .filter(|n| {
+                n.avail_ports >= filters.free_ports
+                    && (!filters.offers_ipv4 || n.avail_ipv4 > 0)
+                    && (!filters.offers_ipv6 || n.avail_ipv6 > 0)
+                    && n.avail_vcpus >= filters.vcpus
+                    && n.avail_mem_mb >= filters.memory_mb
+                    && n.avail_storage_gbs >= filters.storage_gb
+            })
             .collect()
     }
 

src/grpc.rs

@@ -10,7 +10,8 @@ use brain::brain_daemon_service_server::BrainDaemonService;
 use brain::*;
 use std::pin::Pin;
 use std::sync::Arc;
-use tokio_stream::Stream;
+use tokio::sync::mpsc;
+use tokio_stream::{wrappers::ReceiverStream, Stream};
 use tonic::{Request, Response, Status, Streaming};
 
 struct BrainDaemonMock {
@@ -52,9 +53,26 @@ impl BrainDaemonService for BrainDaemonMock {
 
     async fn list_vm_contracts(
         &self,
-        _req: Request<Empty>,
+        req: Request<ListVmContractsReq>,
     ) -> Result<Response<Self::ListVMContractsStream>, Status> {
-        todo!()
+        let req = req.into_inner();
+        let contracts = self
+            .data
+            .find_contracts_by_admin_pubkey(&req.node_pubkey)
+            .await;
+        let (tx, rx) = mpsc::channel(128);
+        tokio::spawn(async move {
+            for contract in contracts {
+                let _ = tx
+                    .send(Ok(contract.into()))
+                    .await;
+            }
+        });
+
+        let output_stream = ReceiverStream::new(rx);
+        Ok(Response::new(
+            Box::pin(output_stream) as Self::ListVMContractsStream
+        ))
     }
 }
 
@@ -70,16 +88,47 @@ impl BrainCliService for BrainCliMock {
     type ListVMContractsStream = Pin<Box<dyn Stream<Item = Result<VmContract, Status>> + Send>>;
     async fn list_vm_contracts(
         &self,
-        _req: Request<Empty>,
+        req: Request<ListVmContractsReq>,
     ) -> Result<Response<Self::ListVMContractsStream>, Status> {
-        todo!()
+        let req = req.into_inner();
+        let contracts = self
+            .data
+            .find_contracts_by_admin_pubkey(&req.admin_pubkey)
+            .await;
+        let (tx, rx) = mpsc::channel(128);
+        tokio::spawn(async move {
+            for contract in contracts {
+                let _ = tx
+                    .send(Ok(contract.into()))
+                    .await;
+            }
+        });
+
+        let output_stream = ReceiverStream::new(rx);
+        Ok(Response::new(
+            Box::pin(output_stream) as Self::ListVMContractsStream
+        ))
     }
 
-    type ListNodesStream = Pin<Box<dyn Stream<Item = Result<NodeListResponse, Status>> + Send>>;
+    type ListNodesStream = Pin<Box<dyn Stream<Item = Result<NodeListResp, Status>> + Send>>;
     async fn list_nodes(
         &self,
-        _req: Request<NodeFilters>,
+        req: Request<NodeFilters>,
     ) -> Result<Response<Self::ListNodesStream>, tonic::Status> {
-        todo!()
+        let req = req.into_inner();
+        let nodes = self.data.find_nodes_by_filters(&req).await;
+        let (tx, rx) = mpsc::channel(128);
+        tokio::spawn(async move {
+            for node in nodes {
+                let _ = tx
+                    .send(Ok(node.into()))
+                    .await;
+            }
+        });
+
+        let output_stream = ReceiverStream::new(rx);
+        Ok(Response::new(
+            Box::pin(output_stream) as Self::ListNodesStream
+        ))
     }
 }