Add web client functionality

additionally added -r feature to build.sh, which reverses build
output.

6 files changed, 77 insertions, 27 deletions

diff --git a/game_server/src/backend_connection.rs b/game_server/src/backend_connection.rs
new file mode 100644
index 0000000..9307c4a
--- /dev/null
+++ b/game_server/src/backend_connection.rs
@@ -0,0 +1,31 @@
+use reqwest::{Response, Client, Url, UrlError, Error as ReqError};
+
+pub struct BackendConnection {
+    host: String,
+    client: Client,
+    last_response: Option<Result<Response, ReqError>>
+}
+
+impl BackendConnection {
+    pub fn new(host: &str) -> Self {
+        BackendConnection {
+            host: host.to_string(),
+            client: Client::new(),
+            last_response: None
+        }
+    }
+
+    pub fn request(&mut self, location: &str) -> Result<(), UrlError> {
+        Ok(self.last_response =
+                Some(self.client.get(Url::parse(&format!("{}{}", self.host, location))?)
+                           .send()))
+    }
+
+    pub fn get_response(&self) -> &Option<Result<Response, ReqError>> {
+        &self.last_response
+    }
+    
+    pub fn host_name<'a>(&'a self) -> &'a str {
+        &self.host
+    }
+}
diff --git a/game_server/src/gameserver.rs b/game_server/src/gameserver.rs
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/game_server/src/gameserver.rs
diff --git a/game_server/src/group.rs b/game_server/src/group.rs
index 9774979..55e4fbf 100644
--- a/game_server/src/group.rs
+++ b/game_server/src/group.rs
@@ -1,22 +1,8 @@
 pub type GroupId = u32;
 
-pub struct Group {
-    id: GroupId,
-    name: String,
-}
-
-impl Group {
-    pub(crate) fn new(id: GroupId, name: String) -> Group {
-        Group { id, name }
-    }
-
-    pub(crate) fn get_id(&self) -> GroupId {
-        self.id
-    }
+pub trait Group {
+    fn id(&self) -> GroupId;
+    fn name(&self) -> String;
 
-    pub fn run(&self) {
-        let id = self.id;
-        std::thread::spawn(move ||
-            loop {println!("group id: {} meldet sich", id)});
-    }
+    fn run(&self);
 }
diff --git a/game_server/src/lobby.rs b/game_server/src/lobby.rs
index 8808b7f..fe3bdee 100644
--- a/game_server/src/lobby.rs
+++ b/game_server/src/lobby.rs
@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use super::group::{Group, GroupId};
 
 pub struct Lobby {
-    groups: HashMap<GroupId, Group>,
+    groups: HashMap<GroupId, Box<Group>>,
 }
 
 impl Lobby {
@@ -13,8 +13,8 @@ impl Lobby {
         }
     }
 
-    pub fn add_group(&mut self, group: Group) {
-        self.groups.insert(group.get_id(), group);
+    pub fn add_group(&mut self, group: Box<Group>) {
+        self.groups.insert(group.id(), group);
     }
 
     pub fn iter<'a>(&'a self) -> GroupIterator<'a> {
@@ -23,11 +23,11 @@ impl Lobby {
 }
 
 pub struct GroupIterator<'a> {
-    groups: std::collections::hash_map::Values<'a, GroupId, Group>
+    groups: std::collections::hash_map::Values<'a, GroupId, Box<Group>>
 }
 
 impl<'a> Iterator for GroupIterator<'a> {
-    type Item = &'a Group;
+    type Item = &'a Box<Group>;
 
     fn next(&mut self) -> Option<Self::Item> {
         self.groups.next()
diff --git a/game_server/src/main.rs b/game_server/src/main.rs
index 7e08b46..f7a1085 100644
--- a/game_server/src/main.rs
+++ b/game_server/src/main.rs
@@ -1,22 +1,27 @@
 mod group;
+mod test_group;
 mod lobby;
+mod backend_connection;
 
 #[macro_use] extern crate log;
 use pretty_env_logger;
 
-use group::Group;
+use test_group::TestGroup;
 use lobby::Lobby;
+use backend_connection::BackendConnection;
 
 fn main() {
     pretty_env_logger::init();
 
     let mut lobby = Lobby::new();
-    lobby.add_group(Group::new(0, "Test".to_string()));
-    lobby.add_group(Group::new(1, "Very Serious".to_string()));
 
     for group in lobby.iter() {
         group.run()
     }
 
-    loop {}
+    let mut backend = BackendConnection::new("http://129.13.215.68:5000");
+    loop {
+        backend.request("/scribble").unwrap();
+        println!("{:?}", backend.get_response());
+    }
 }
diff --git a/game_server/src/test_group.rs b/game_server/src/test_group.rs
new file mode 100644
index 0000000..bd570e3
--- /dev/null
+++ b/game_server/src/test_group.rs
@@ -0,0 +1,28 @@
+use super::group::{Group, GroupId};
+
+pub struct TestGroup {
+    id: GroupId,
+    name: String,
+}
+
+impl Group for TestGroup {
+    fn id(&self) -> GroupId {
+        self.id
+    }
+
+    fn name(&self) -> String {
+        self.name.clone()
+    }
+
+    fn run(&self) {
+        let id = self.id;
+        let name = self.name.to_owned();
+        std::thread::spawn(move || /*loop { println!("> group nr.{} wishes you: '{}'", id, name) }*/());
+    }
+}
+
+impl TestGroup {
+    pub fn new(id: GroupId, name: String) -> Self {
+        TestGroup { id, name }
+    }
+}