Use test_upload_file.sh test tcp and http

tests/e2e/test_upload_file.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+set -x
+
+root_dir=$(git rev-parse --show-toplevel)
+cur_dir=$root_dir/tests/e2e
+source $cur_dir/util.sh
+
+rm -f /tmp/test_file*.txt
+
+cleanup() {
+  echo "Cleaning up..."
+  kill -SIGINT $server_pid
+  kill -SIGINT $client_pid1
+  kill -SIGINT $client_pid2
+  kill $file_server_pid
+}
+
+trap cleanup EXIT
+
+exec $root_dir/target/debug/castled &
+server_pid=$!
+wait_port 6610
+
+RUST_LOG=INFO exec $root_dir/target/debug/castle http 13346 --remote-port 6890 &
+client_pid1=$!
+wait_port 6890
+
+RUST_LOG=INFO exec $root_dir/target/debug/castle tcp 13346 --remote-port 6891 &
+client_pid2=$!
+wait_port 6891
+
+RUST_LOG=INFO exec $cur_dir/.bin/file_server --port 13346 &
+file_server_pid=$!
+
+dd if=/dev/zero of=/tmp/test_file1.txt bs=1K count=2 #(2K)
+dd if=/dev/zero of=/tmp/test_file3.txt bs=1M count=100 #(100M)
+
+test() {
+  port=$1
+  response_code=$(curl -s -o /dev/null -w "%{http_code}" -X POST -F "file=@/tmp/test_file1.txt;filename=/tmp/test_file2.txt" -F "file=@/tmp/test_file3.txt;filename=/tmp/test_file4.txt" "http://localhost:$port/upload?dest=/tmp/test_file2.txt")
+  if [ $response_code -eq 200 ]; then
+    echo "Response code is 200"
+  else
+    echo "Response code is $response_code"
+    exit 1
+  fi
+
+  diff /tmp/test_file1.txt /tmp/test_file2.txt
+  diff /tmp/test_file3.txt /tmp/test_file4.txt
+}
+
+test 6890
+test 6891