I do not know

src/main.rs

@@ -1,20 +1,22 @@
 use std::fs::{File, Metadata, self};
 use std::time::Instant;
 use std::net::{TcpListener, TcpStream};
-use std::io::{Read, Write, self};
+use std::io::{Read, Write, self, BufReader};
 use std::env::{self};
 
 struct FileInfo
     {
         file:Option<File>,
+        reader:Option<BufReader<File>>,
         location:String,
-        bytes:Vec<u8>,
+        bytes_current:Vec<u8>,
-        size:usize,
+        size_current:usize,
+        size_total:Option<usize>,
         metadata:Option<Metadata>,
     }
 impl FileInfo 
     {
-        fn reading_operations(&mut self)
+        fn reading_operations(&mut self, stream:&mut TcpStream)
             {
                 self.read_metadata();
                 match self.metadata
@@ -23,10 +25,12 @@ impl FileInfo
                             {
                                 if Metadata::is_file(metadata)
                                     {
+                                        self.size_total = Some(Metadata::len(&metadata) as usize);
                                         self.read_file();
                                     }
                                 else if Metadata::is_symlink(metadata)
                                     {
+                                        self.size_total = Some(Metadata::len(&metadata) as usize);
                                         self.read_file();
                                     }
                                 else 
@@ -37,49 +41,105 @@ impl FileInfo
                                     }
                             }
                         None =>
+                            {
+                                println!("Error: Read Metadata -> {}", self.location);
+                            }
+                    }
+                match self.size_total
+                    {
+                        Some(ref mut size_total) =>
                             {
 
+                                self.file_to_byte(stream)
+                            }
+                        None =>
+                            {
+                                println!("Error: Read Size -> {}", self.location);
                             }
                     }
-                
-                self.file_to_byte();
             }
-        fn writing_operations(&mut self)
+        fn writing_operations(&mut self, stream:&mut TcpStream)
             {
                 self.write_file();
             }
         fn read_metadata(&mut self)
             {
+                //use match, there is a chance to fail creation. don't pass with just some
                 self.metadata = Some(fs::metadata(&self.location).expect("Error: Read Metadata"));
             }
         fn read_file(&mut self)
             {
-                self.file = Some(File::open(&self.location).expect("Error: Open File"));
+                match File::open(&self.location)
-            }
-        fn file_to_byte(&mut self)
                     {
+                        Ok(file) =>
+                            {
+                                self.file = Some(file);
+                                self.reader = Some(BufReader::new(file));
+                            }
+                        Err(err_val) =>
+                            {
+                                println!("Error: Open File -> {} | Error: {}", self.location, err_val);
+                            }
+                    }
+                
+            }
+        fn file_to_byte(&mut self, stream:&mut TcpStream)
+            {
+                self.bytes_current.clear();
                 match self.file 
                     {
                         Some(ref mut file_descriptor) => 
                             {
-                                match File::read_to_end(file_descriptor, &mut self.bytes)
+                                //replace with readbuffer ?
+                                match self.reader
                                     {
-                                        Ok(size) => 
+                                        Some(reader) =>
                                             {
-                                                self.size = size;
+                                                // I don't know what to do
-                                                println!("Done: Read -> {} bytes", size);
                                             }
-                                        Err(err_val) => println!("Error: Read {}", err_val),
+                                        None =>
+                                            {
+
+                                            }
+                                    }
+                                match File::read_exact(file_descriptor, &mut self.bytes_current)
+                                    {
+                                        Ok(_) => 
+                                            {
+                                                self.size_current = self.size_current+self.bytes_current.len();
+                                                //need to send data, or call here from connection
+                                                match stream.write_all(&self.bytes_current)
+                                                    {
+                                                        Ok(_) =>
+                                                            {
+                                                                // We will track when we stop later
+                                                            }
+                                                        Err(err_val) =>
+                                                            {
+                                                                println!("Error: Send -> {} | Error: {}", self.location, err_val)
+                                                            }
+                                                    }
+                                                if self.size_total == Some(self.size_current)
+                                                    {
+                                                        println!("Done: Read -> {} | Done: Read -> {} bytes", self.location, self.size_current);
+                                                    }
+                                                else 
+                                                    {
+                                                        self.file_to_byte(stream);
+                                                    }
+                                            }
+                                        Err(err_val) => println!("Error: Read -> {} | Error: {}", self.location, err_val),
                                     }
                             }
                         None =>
                             {
-                                println!("Error: File None");
+                                println!("Error: File None -> {}", self.location);
                             }
                     }
             }
         fn write_file(&mut self)
             {
+                //use match, there is a chance to fail creation. don't pass with just some
                 self.file = Some(File::create(&self.location).expect("Error: Create File"));
                 match self.file
                     {
@@ -89,7 +149,7 @@ impl FileInfo
                                     {
                                         Ok(_) =>
                                             {
-                                                self.size = self.bytes.len();
+                                                self.size_total = self.bytes.len();
                                                 println!("Done: Write -> {} bytes", &mut self.size);
                                             }
                                         Err(err_val) => println!("Error: Write {}", err_val),
@@ -148,11 +208,8 @@ impl Connection
                                                                         return;
                                                                     }
                                                                 file_info.bytes = data;
-                                                                let start_disk_time = Instant::now();
+                                                                FileInfo::writing_operations(file_info, &mut stream);
-                                                                println!("Passed: Network -> {:#?}", start_disk_time.duration_since(start_time));
-                                                                FileInfo::writing_operations(file_info);
                                                                 let finish_time = Instant::now();
-                                                                println!("Passed: Write -> {:#?}", finish_time.duration_since(start_disk_time));
                                                                 println!("Passed: Total -> {:#?}", finish_time.duration_since(start_time));
                                                             }
                                                         Err(e) => 
@@ -190,16 +247,12 @@ impl Connection
                     }
                 match TcpStream::connect(address) 
                     {
-                        Ok(mut socket) =>
+                        Ok(mut stream) =>
                             {
                                 let start_time = Instant::now();
                                 println!("Connected");
-                                FileInfo::reading_operations(file_info);
+                                FileInfo::reading_operations(file_info, &mut stream);
-                                let start_network_time = Instant::now();
-                                println!("Passed: Read -> {:#?}", start_network_time.duration_since(start_time));
-                                socket.write_all(&file_info.bytes).unwrap();
                                 let finish_time = Instant::now();
-                                println!("Passed: Network -> {:#?}", finish_time.duration_since(start_network_time));
                                 println!("Passed: Total -> {:#?}", finish_time.duration_since(start_time));
                             }
                         Err(e) =>
@@ -231,14 +284,14 @@ fn main()
         //First we should check folder structure and validation then make connection.
         println!("Hello, world!");
 
-        let bytes:Vec<u8> = vec![];
-        let size:usize = 0 as usize;
         let mut data = FileInfo
             {
                 file:None,
+                reader:None,
                 location:take_arg(),
-                bytes:bytes,
+                bytes_current:Vec::with_capacity(1024),
-                size:size,
+                size_current:0 as usize,
+                size_total:None,
                 metadata:None,
             };
         match &take_string("Input: Server 's', Client 'c'".to_string())[0..1]