add 50-tc-extract-http-header

Author: mozillazg

.gitignore

@@ -25,3 +25,4 @@ events.txt
 /05-get-process-info-plus/
 Vagrantfile.local
 /9999-playground/
+main.bpf.c.bak

50-tc-extract-http-header/README.md

@@ -0,0 +1,5 @@
+
+
+See [cilium-ebpf](./cilium-ebpf)
+
+

50-tc-extract-http-header/cilium-ebpf/Makefile

@@ -0,0 +1 @@
+../../common/cilium-ebpf.Makefile

50-tc-extract-http-header/cilium-ebpf/README.md

@@ -0,0 +1,21 @@
+
+
+
+## Usage
+
+build:
+
+```
+$ make
+```
+
+run:
+
+```
+$ make run
+
+$ printf 'HTTP/1.1 200 OK\nContent-Length: 0\n\n' |nc -l 9090 &
+
+$ curl http://127.0.0.1:9090
+
+```