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066-socket-receiveuntil.t
# vim:set ft= ts=4 sw=4 et fdm=marker: use Test::Nginx::Socket::Lua; repeat_each(2); plan tests => repeat_each() * (blocks() * 3); our $HtmlDir = html_dir; $ENV{TEST_NGINX_MEMCACHED_PORT} ||= 11211; no_long_string(); #no_diff(); #log_level 'warn'; run_tests(); __DATA__ === TEST 1: memcached read lines --- config server_tokens off; location /t { set $port $TEST_NGINX_MEMCACHED_PORT; content_by_lua ' local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "flush_all\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local readline = sock:receiveuntil("\\r\\n") local line, err, part = readline() if line then ngx.say("received: ", line) else ngx.say("failed to receive a line: ", err, " [", part, "]") end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } --- request GET /t --- response_body connected: 1 request sent: 11 received: OK close: 1 nil --- no_error_log [error] === TEST 2: http read lines --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local readline = sock:receiveuntil("\\r\\n") local line, err, part for i = 1, 7 do line, err, part = readline() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { content_by_lua 'ngx.say("foo")'; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: HTTP/1.1 200 OK read: Server: nginx read: Content-Type: text/plain read: Content-Length: 4 read: Connection: close read: failed to read a line: closed [foo ] close: 1 nil } --- no_error_log [error] === TEST 3: http read all the headers in a single run --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local line, err, part for i = 1, 2 do line, err, part = read_headers() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { content_by_lua 'ngx.say("foo")'; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: HTTP/1.1 200 OK\r Server: nginx\r Content-Type: text/plain\r Content-Length: 4\r Connection: close failed to read a line: closed [foo ] close: 1 nil } --- no_error_log [error] === TEST 4: ambiguous boundary patterns (abcabd) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("abcabd") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { content_by_lua 'ngx.say("abcabcabd")'; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: abc failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 5: ambiguous boundary patterns (aa) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("aa") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { content_by_lua 'ngx.say("abcabcaad")'; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: abcabc failed to read a line: closed [d ] close: 1 nil } --- no_error_log [error] === TEST 6: ambiguous boundary patterns (aaa) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("aaa") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo abaabcaaaef; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: abaabc failed to read a line: closed [ef ] close: 1 nil } --- no_error_log [error] === TEST 7: ambiguous boundary patterns (aaaaad) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("aaaaad") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo baaaaaaaaeaaaaaaadf; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: baaaaaaaaeaa failed to read a line: closed [f ] close: 1 nil } --- no_error_log [error] === TEST 8: ambiguous boundary patterns (aaaaad), small buffer, 2 bytes --- config server_tokens off; lua_socket_buffer_size 2; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("aaaaad") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo baaaaaaaaeaaaaaaadf; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: baaaaaaaaeaa failed to read a line: closed [f ] close: 1 nil } --- no_error_log [error] === TEST 9: ambiguous boundary patterns (aaaaad), small buffer, 1 byte --- config server_tokens off; lua_socket_buffer_size 1; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("aaaaad") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo baaaaaaaaeaaaaaaadf; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: baaaaaaaaeaa failed to read a line: closed [f ] close: 1 nil } --- no_error_log [error] === TEST 10: ambiguous boundary patterns (abcabdabcabe) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("abcabdabcabe") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo abcabdabcabdabcabe; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: abcabd failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 11: ambiguous boundary patterns (abcabdabcabe 2) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("abcabdabcabe") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo abcabdabcabcabdabcabe; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: abcabdabc failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 12: ambiguous boundary patterns (abcabdabcabe 3) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("abcabdabcabe") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo abcabcabdabcabe; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: abc failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 13: ambiguous boundary patterns (abcabdabcabe 4) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("abcabdabcabe") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo ababcabdabcabe; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: ab failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 14: ambiguous boundary patterns (--abc) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("--abc") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo -- ----abc; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: -- failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 15: ambiguous boundary patterns (--abc) --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("--abc") for i = 1, 6 do local line, err, part = reader(4) if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo "hello, world ----abc"; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: hell read: o, w read: orld read: -- failed to read a line: nil [nil] failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 16: ambiguous boundary patterns (--abc), small buffer --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; lua_socket_buffer_size 1; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("--abc") for i = 1, 6 do local line, err, part = reader(4) if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo "hello, world ----abc"; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: hell read: o, w read: orld read: -- failed to read a line: nil [nil] failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 17: ambiguous boundary patterns (--abc), small buffer, mixed by other reading calls --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; lua_socket_buffer_size 1; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("--abc") for i = 1, 7 do local line, err, part = reader(4) if line then ngx.say("read: ", line) else ngx.say("failed to read a chunk: ", err, " [", part, "]") end local data, err, part = sock:receive(1) if not data then ngx.say("failed to read a byte: ", err, " [", part, "]") break else ngx.say("read one byte: ", data) end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo "hello, world ----abc"; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: hell read one byte: o read: , wo read one byte: r read: ld - read one byte: - read: read one byte: failed to read a chunk: nil [nil] failed to read a byte: closed [] close: 1 nil } --- no_error_log [error] === TEST 18: ambiguous boundary patterns (abcabd), small buffer --- config server_tokens off; lua_socket_buffer_size 3; location /t { set $port $TEST_NGINX_SERVER_PORT; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("abcabd") for i = 1, 2 do local line, err, part = reader() if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo abcabcabd; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: abc failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error] === TEST 19: long patterns this exposed a memory leak in receiveuntil --- config location /t { content_by_lua ' local sock, err = ngx.req.socket() if not sock then ngx.say("failed to get req socket: ", err) return end local reader, err = sock:receiveuntil("------------------------------------------- abcdefghijklmnopqrstuvwxyz") if not reader then ngx.say("failed to get reader: ", err) return end ngx.say("ok") '; } --- request POST /t --- more_headers: Content-Length: 1024 --- response_body ok --- no_error_log [error] === TEST 20: add pending bytes --- config server_tokens off; location /t { set $port $TEST_NGINX_SERVER_PORT; lua_socket_buffer_size 1; content_by_lua ' -- collectgarbage("collect") local sock = ngx.socket.tcp() local port = ngx.var.port local ok, err = sock:connect("127.0.0.1", port) if not ok then ngx.say("failed to connect: ", err) return end ngx.say("connected: ", ok) local req = "GET /foo HTTP/1.0\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n" local bytes, err = sock:send(req) if not bytes then ngx.say("failed to send request: ", err) return end ngx.say("request sent: ", bytes) local read_headers = sock:receiveuntil("\\r\\n\\r\\n") local headers, err, part = read_headers() if not headers then ngx.say("failed to read headers: ", err, " [", part, "]") end local reader = sock:receiveuntil("--abc") for i = 1, 4 do local line, err, part = reader(2) if line then ngx.say("read: ", line) else ngx.say("failed to read a line: ", err, " [", part, "]") end end ok, err = sock:close() ngx.say("close: ", ok, " ", err) '; } location /foo { echo -- -----abc; more_clear_headers Date; } --- request GET /t --- response_body eval qq{connected: 1 request sent: 57 read: -- read: - failed to read a line: nil [nil] failed to read a line: closed [ ] close: 1 nil } --- no_error_log [error]