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Server version\n\ncurl localhost:3000/_/foo # Unknown api would response 404\n```\n\n### Echo api\n\n- It would echo request body if request without prefix of system api (works with all http verbs, except OPTIONS and HEAD).\n\n ```bash\n curl -v localhost:3000/foo -d '{\"a\":123}'\n ```\n\n ```console\n ...\n * Connection #0 to host localhost left intact\n {\"a\":123}\n ```\n\n- It would response the requested status by the header `x-echo-status`.\n\n ```bash\n curl -v localhost:3000/foo -H \"x-echo-status: 400\"\n ```\n\n ```console\n * Connected to localhost (127.0.0.1) port 3000 (#0)\n > GET /foo HTTP/1.1\n > Host: localhost:3000\n > User-Agent: curl/7.81.0\n > Accept: */*\n > x-echo-status: 400\n > \n * Mark bundle as not supporting multiuse\n < HTTP/1.1 400 Bad Request\n < content-length: 0\n < date: Wed, 09 Feb 2022 21:05:23 GMT\n < \n * Connection #0 to host localhost left intact\n ```\n\n- It would response 400 and `x-echo-status-error` if header `x-echo-status` is invalid.\n\n ```bash\n curl -v localhost:3000/foo -H \"x-echo-status: bar\"\n ```\n\n ```console\n ...\n > x-echo-status: bar\n ...\n\n ...\n < HTTP/1.1 400 Bad Request\n < x-echo-status-error: invalid digit found in string\n ...\n ```\n\n- It would response `content-type` if request path with extension name.\n\n ```bash\n curl -v localhost:3000/foo.json -d '{\"a\":123}'\n ```\n\n ```console\n ...\n < content-type: application/json\n ...\n ```\n\n## Exceptions\n\n- The OPTIONS (preflight) handle CORS (won't echo).\n\n ```bash\n curl -v localhost:3000/foo \\\n -XOPTIONS \\\n -H \"Origin: http://foo.bar\" \\\n -H \"Access-Control-Request-Method: FOOMETHOD\" \\\n -H \"Access-Control-Request-Headers: BAR\"\n ```\n\n ```console\n * Connected to localhost (127.0.0.1) port 3000 (#0)\n > OPTIONS /foo HTTP/1.1\n > Host: localhost:3000\n > User-Agent: curl/7.81.0\n > Accept: */*\n > Origin: http://foo.bar\n > Access-Control-Request-Method: FOOMETHOD\n > Access-Control-Request-Headers: BAR\n > \n * Mark bundle as not supporting multiuse\n < HTTP/1.1 200 OK\n < access-control-allow-origin: http://foo.bar\n < access-control-allow-methods: FOOMETHOD\n < access-control-allow-headers: BAR\n < content-length: 0\n < date: Wed, 09 Feb 2022 21:02:17 GMT\n < \n * Connection #0 to host localhost left intact\n ```\n\n- The HEAD (body-less) would response with empty body (won't echo).\n\n ```bash\n curl -v localhost:3000/foo \\\n -XHEAD \\\n -d '{\"a\":123}'\n ```\n\n ```console\n * Connected to localhost (127.0.0.1) port 3000 (#0)\n > HEAD /foo HTTP/1.1\n > Host: localhost:3000\n > User-Agent: curl/7.64.0\n > Accept: */*\n > Content-Length: 9\n > Content-Type: application/x-www-form-urlencoded\n >\n * upload completely sent off: 9 out of 9 bytes\n < HTTP/1.1 200 OK\n < content-length: 0\n < date: Sat, 16 Feb 2019 08:20:28 GMT\n <\n * Connection #0 to host localhost left intact\n ```\n\n## Dev memo\n\n```bash\nRUST_LOG=\"debug\" cargo watch -x run -w src\n```\n\n> Bump version\n\n- `cargo bump patch`\n- Commit and push\n\n## About\n\nThe chinese translation of this app is \"複讀機\" （meme)\n\nWhy? 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Digest	OS/ARCH	Compressed size
83c38f3338d4	linux/amd64	1.32 MB
c671f771ee1e	linux/arm64	1.32 MB

sstc/echo-server

Tags for sstc/echo-server