2022-05-16 21:33:19 +00:00
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#if 0
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/*─────────────────────────────────────────────────────────────────╗
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│ To the extent possible under law, Justine Tunney has waived │
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│ all copyright and related or neighboring rights to this file, │
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│ as it is written in the following disclaimers: │
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│ • http://unlicense.org/ │
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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2022-05-16 20:20:08 +00:00
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#include "libc/assert.h"
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2022-09-11 18:02:07 +00:00
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#include "libc/atomic.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/calls/calls.h"
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2022-06-09 03:01:28 +00:00
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#include "libc/calls/struct/sigaction.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/calls/struct/sigset.h"
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#include "libc/calls/struct/timespec.h"
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#include "libc/calls/struct/timeval.h"
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2022-05-15 04:13:45 +00:00
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#include "libc/dce.h"
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2022-09-13 06:10:38 +00:00
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#include "libc/errno.h"
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2022-05-16 21:33:19 +00:00
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#include "libc/fmt/conv.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/fmt/itoa.h"
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2022-09-09 18:30:33 +00:00
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#include "libc/intrin/atomic.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/intrin/kprintf.h"
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2022-05-23 17:15:53 +00:00
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#include "libc/limits.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/log/check.h"
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#include "libc/log/log.h"
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2022-05-16 20:20:08 +00:00
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#include "libc/macros.internal.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/mem/mem.h"
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2022-07-25 02:40:32 +00:00
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#include "libc/runtime/internal.h"
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2022-05-15 16:14:48 +00:00
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#include "libc/runtime/runtime.h"
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2022-05-18 23:41:29 +00:00
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#include "libc/runtime/stack.h"
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2022-05-16 21:33:19 +00:00
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#include "libc/runtime/sysconf.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/sock/sock.h"
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2022-08-06 10:51:50 +00:00
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#include "libc/sock/struct/pollfd.h"
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#include "libc/sock/struct/sockaddr.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/str/str.h"
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#include "libc/sysv/consts/af.h"
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#include "libc/sysv/consts/clock.h"
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#include "libc/sysv/consts/clone.h"
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#include "libc/sysv/consts/ipproto.h"
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#include "libc/sysv/consts/map.h"
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2022-05-15 04:13:45 +00:00
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#include "libc/sysv/consts/poll.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/sysv/consts/prot.h"
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#include "libc/sysv/consts/rlimit.h"
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#include "libc/sysv/consts/sig.h"
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#include "libc/sysv/consts/so.h"
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#include "libc/sysv/consts/sock.h"
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#include "libc/sysv/consts/sol.h"
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#include "libc/sysv/consts/tcp.h"
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2022-07-10 11:01:17 +00:00
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#include "libc/thread/spawn.h"
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2022-09-11 18:02:07 +00:00
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#include "libc/thread/thread.h"
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#include "libc/thread/tls.h"
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#include "libc/thread/wait0.internal.h"
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2022-05-14 14:44:02 +00:00
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#include "libc/time/struct/tm.h"
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#include "libc/time/time.h"
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#include "net/http/http.h"
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#include "net/http/url.h"
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/**
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* @fileoverview greenbean lightweighht threaded web server
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*
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* $ make -j8 o//tool/net/greenbean.com
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* $ o//tool/net/greenbean.com &
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* $ printf 'GET /\n\n' | nc 127.0.0.1 8080
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* HTTP/1.1 200 OK
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* Server: greenbean/1.o
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* Referrer-Policy: origin
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* Cache-Control: private; max-age=0
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* Content-Type: text/html; charset=utf-8
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* Date: Sat, 14 May 2022 14:13:07 GMT
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* Content-Length: 118
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*
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* <!doctype html>
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* <title>hello world</title>
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* <h1>hello world</h1>
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* <p>this is a fun webpage
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* <p>hosted by greenbean
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*
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* Like redbean, greenbean has superior performance too, with an
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* advantage on benchmarks biased towards high connection counts
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*
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2022-06-22 10:04:25 +00:00
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* $ wrk -c 300 -t 32 --latency http://127.0.0.1:8080/
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* Running 10s test @ http://127.0.0.1:8080/
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2022-05-14 14:44:02 +00:00
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* 32 threads and 300 connections
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* Thread Stats Avg Stdev Max +/- Stdev
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2022-05-24 17:19:39 +00:00
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* Latency 661.06us 5.11ms 96.22ms 98.85%
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* Req/Sec 42.38k 8.90k 90.47k 84.65%
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2022-05-14 14:44:02 +00:00
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* Latency Distribution
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2022-05-24 17:19:39 +00:00
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* 50% 184.00us
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* 75% 201.00us
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* 90% 224.00us
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* 99% 11.99ms
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* 10221978 requests in 7.60s, 3.02GB read
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* Requests/sec: 1345015.69
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* Transfer/sec: 406.62MB
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2022-05-14 14:44:02 +00:00
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*
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*/
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2022-05-16 20:20:08 +00:00
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#define PORT 8080
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2022-05-15 16:14:48 +00:00
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#define HEARTBEAT 100
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2022-05-14 14:44:02 +00:00
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#define KEEPALIVE 5000
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#define LOGGING 0
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#define STANDARD_RESPONSE_HEADERS \
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"Server: greenbean/1.o\r\n" \
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"Referrer-Policy: origin\r\n" \
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"Cache-Control: private; max-age=0\r\n"
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2022-05-24 17:19:39 +00:00
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int threads;
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2022-09-11 18:02:07 +00:00
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atomic_int workers;
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atomic_int messages;
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atomic_int listening;
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atomic_int connections;
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atomic_int closingtime;
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2022-05-23 17:15:53 +00:00
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const char *volatile status;
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2022-05-15 16:14:48 +00:00
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2022-09-09 18:30:33 +00:00
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void *Worker(void *id) {
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2022-05-15 16:14:48 +00:00
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int server, yes = 1;
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2022-05-14 14:44:02 +00:00
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// load balance incoming connections for port 8080 across all threads
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// hangup on any browser clients that lag for more than a few seconds
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struct timeval timeo = {KEEPALIVE / 1000, KEEPALIVE % 1000};
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2022-05-16 20:20:08 +00:00
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struct sockaddr_in addr = {.sin_family = AF_INET, .sin_port = htons(PORT)};
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2022-07-10 15:27:50 +00:00
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server = socket(AF_INET, SOCK_STREAM, 0);
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2022-05-16 20:20:08 +00:00
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if (server == -1) {
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2022-05-24 17:19:39 +00:00
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kprintf("socket() failed %m\n"
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" try running: sudo prlimit --pid=$$ --nofile=%d\n",
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threads * 2);
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2022-05-16 20:20:08 +00:00
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goto WorkerFinished;
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}
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2022-05-14 14:44:02 +00:00
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setsockopt(server, SOL_SOCKET, SO_RCVTIMEO, &timeo, sizeof(timeo));
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setsockopt(server, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo));
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setsockopt(server, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes));
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setsockopt(server, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes));
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setsockopt(server, SOL_TCP, TCP_FASTOPEN, &yes, sizeof(yes));
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setsockopt(server, SOL_TCP, TCP_QUICKACK, &yes, sizeof(yes));
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2022-05-17 11:14:28 +00:00
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errno = 0;
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2022-05-16 20:20:08 +00:00
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if (bind(server, &addr, sizeof(addr)) == -1) {
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2022-05-24 17:19:39 +00:00
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kprintf("%s() failed %m\n", "socket");
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goto CloseWorker;
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2022-05-16 20:20:08 +00:00
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}
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2022-05-16 21:33:19 +00:00
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listen(server, 1);
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2022-05-14 14:44:02 +00:00
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// connection loop
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2022-05-23 17:15:53 +00:00
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++listening;
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2022-05-15 16:14:48 +00:00
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while (!closingtime) {
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2022-05-14 14:44:02 +00:00
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struct tm tm;
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int64_t unixts;
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struct Url url;
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ssize_t got, sent;
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struct timespec ts;
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struct HttpMessage msg;
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uint32_t clientaddrsize;
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struct sockaddr_in clientaddr;
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char inbuf[1500], outbuf[512], *p, *q;
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int clientip, client, inmsglen, outmsglen;
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2022-05-16 21:33:19 +00:00
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// this slows the server down a lot but is needed on non-Linux to
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// react to keyboard ctrl-c
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2022-05-16 20:20:08 +00:00
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if (!IsLinux() &&
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poll(&(struct pollfd){server, POLLIN}, 1, HEARTBEAT) < 1) {
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continue;
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}
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2022-05-14 14:44:02 +00:00
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// wait for client connection
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clientaddrsize = sizeof(clientaddr);
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client = accept(server, &clientaddr, &clientaddrsize);
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// accept() can raise a very diverse number of errors but none of
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// them are really true showstoppers that would necessitate us to
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// panic and abort the entire server, so we can just ignore these
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if (client == -1) {
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// we used SO_RCVTIMEO and SO_SNDTIMEO because those settings are
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// inherited by the accepted sockets, but using them also has the
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// side-effect that the listening socket fails with EAGAIN, every
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// several seconds. we can use that to our advantage to check for
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2022-05-15 16:14:48 +00:00
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// the ctrl-c shutdowne event; otherwise, we retry the accept call
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2022-05-14 14:44:02 +00:00
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continue;
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}
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2022-05-23 17:15:53 +00:00
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++connections;
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2022-05-16 20:20:08 +00:00
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2022-05-14 14:44:02 +00:00
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// message loop
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do {
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// parse the incoming http message
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InitHttpMessage(&msg, kHttpRequest);
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// we're not terrible concerned when errors happen here
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if ((got = read(client, inbuf, sizeof(inbuf))) <= 0) break;
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// check that client message wasn't fragmented into more reads
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if (!(inmsglen = ParseHttpMessage(&msg, inbuf, got))) break;
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2022-05-23 17:15:53 +00:00
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++messages;
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2022-05-14 14:44:02 +00:00
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#if LOGGING
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// log the incoming http message
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clientip = ntohl(clientaddr.sin_addr.s_addr);
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2022-05-23 17:15:53 +00:00
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kprintf("%6P get some %d.%d.%d.%d:%d %#.*s\n",
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2022-05-14 14:44:02 +00:00
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(clientip & 0xff000000) >> 030, (clientip & 0x00ff0000) >> 020,
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(clientip & 0x0000ff00) >> 010, (clientip & 0x000000ff) >> 000,
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ntohs(clientaddr.sin_port), msg.uri.b - msg.uri.a,
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inbuf + msg.uri.a);
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#endif
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// display hello world html page for http://127.0.0.1:8080/
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if (msg.method == kHttpGet &&
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(msg.uri.b - msg.uri.a == 1 && inbuf[msg.uri.a + 0] == '/')) {
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q = "<!doctype html>\r\n"
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"<title>hello world</title>\r\n"
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"<h1>hello world</h1>\r\n"
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"<p>this is a fun webpage\r\n"
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"<p>hosted by greenbean\r\n";
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p = stpcpy(outbuf, "HTTP/1.1 200 OK\r\n" STANDARD_RESPONSE_HEADERS
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"Content-Type: text/html; charset=utf-8\r\n"
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"Date: ");
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2022-05-23 17:15:53 +00:00
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clock_gettime(0, &ts), unixts = ts.tv_sec;
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2022-05-14 14:44:02 +00:00
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p = FormatHttpDateTime(p, gmtime_r(&unixts, &tm));
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p = stpcpy(p, "\r\nContent-Length: ");
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p = FormatInt32(p, strlen(q));
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p = stpcpy(p, "\r\n\r\n");
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p = stpcpy(p, q);
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outmsglen = p - outbuf;
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sent = write(client, outbuf, outmsglen);
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} else {
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// display 404 not found error page for every thing else
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q = "<!doctype html>\r\n"
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"<title>404 not found</title>\r\n"
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"<h1>404 not found</h1>\r\n";
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p = stpcpy(outbuf,
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"HTTP/1.1 404 Not Found\r\n" STANDARD_RESPONSE_HEADERS
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"Content-Type: text/html; charset=utf-8\r\n"
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"Date: ");
|
2022-05-23 17:15:53 +00:00
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clock_gettime(0, &ts), unixts = ts.tv_sec;
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2022-05-14 14:44:02 +00:00
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p = FormatHttpDateTime(p, gmtime_r(&unixts, &tm));
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p = stpcpy(p, "\r\nContent-Length: ");
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p = FormatInt32(p, strlen(q));
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p = stpcpy(p, "\r\n\r\n");
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p = stpcpy(p, q);
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outmsglen = p - outbuf;
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sent = write(client, outbuf, p - outbuf);
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}
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// if the client isn't pipelining and write() wrote the full
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// amount, then since we sent the content length and checked
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// that the client didn't attach a payload, we are so synced
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// thus we can safely process more messages
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} while (got == inmsglen && sent == outmsglen &&
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!msg.headers[kHttpContentLength].a &&
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!msg.headers[kHttpTransferEncoding].a &&
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(msg.method == kHttpGet || msg.method == kHttpHead));
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DestroyHttpMessage(&msg);
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close(client);
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2022-05-23 17:15:53 +00:00
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--connections;
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2022-05-14 14:44:02 +00:00
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}
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2022-05-23 17:15:53 +00:00
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|
--listening;
|
2022-05-14 14:44:02 +00:00
|
|
|
|
|
|
|
|
// inform the parent that this clone has finished
|
2022-05-24 17:19:39 +00:00
|
|
|
CloseWorker:
|
2022-05-14 14:44:02 +00:00
|
|
|
close(server);
|
2022-05-24 17:19:39 +00:00
|
|
|
WorkerFinished:
|
2022-05-23 17:15:53 +00:00
|
|
|
--workers;
|
2022-05-14 14:44:02 +00:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void OnCtrlC(int sig) {
|
|
|
|
|
closingtime = true;
|
2022-05-16 20:20:08 +00:00
|
|
|
status = " shutting down...";
|
2022-05-14 14:44:02 +00:00
|
|
|
}
|
|
|
|
|
|
2022-05-23 17:15:53 +00:00
|
|
|
void PrintStatus(void) {
|
|
|
|
|
kprintf("\r\e[K\e[32mgreenbean\e[0m "
|
|
|
|
|
"workers=%d "
|
|
|
|
|
"listening=%d "
|
|
|
|
|
"connections=%d "
|
|
|
|
|
"messages=%d%s ",
|
|
|
|
|
workers, listening, connections, messages, status);
|
|
|
|
|
}
|
|
|
|
|
|
2022-05-14 14:44:02 +00:00
|
|
|
int main(int argc, char *argv[]) {
|
2022-09-09 18:30:33 +00:00
|
|
|
int i, rc;
|
|
|
|
|
pthread_t *th;
|
2022-05-16 20:20:08 +00:00
|
|
|
uint32_t *hostips;
|
2022-05-16 21:33:19 +00:00
|
|
|
// ShowCrashReports();
|
2022-05-23 17:15:53 +00:00
|
|
|
|
|
|
|
|
// listen for ctrl-c, hangup, and kill which shut down greenbean
|
|
|
|
|
status = "";
|
|
|
|
|
struct sigaction sa = {.sa_handler = OnCtrlC};
|
|
|
|
|
sigaction(SIGHUP, &sa, 0);
|
|
|
|
|
sigaction(SIGINT, &sa, 0);
|
|
|
|
|
sigaction(SIGTERM, &sa, 0);
|
|
|
|
|
|
|
|
|
|
// print all the ips that 0.0.0.0 will bind
|
2022-05-16 20:20:08 +00:00
|
|
|
for (hostips = GetHostIps(), i = 0; hostips[i]; ++i) {
|
|
|
|
|
kprintf("listening on http://%d.%d.%d.%d:%d\n",
|
|
|
|
|
(hostips[i] & 0xff000000) >> 030, (hostips[i] & 0x00ff0000) >> 020,
|
|
|
|
|
(hostips[i] & 0x0000ff00) >> 010, (hostips[i] & 0x000000ff) >> 000,
|
|
|
|
|
PORT);
|
|
|
|
|
}
|
2022-05-23 17:15:53 +00:00
|
|
|
|
|
|
|
|
threads = argc > 1 ? atoi(argv[1]) : GetCpuCount();
|
2022-07-10 15:27:50 +00:00
|
|
|
if (!(1 <= threads && threads <= 100000)) {
|
2022-09-09 18:30:33 +00:00
|
|
|
kprintf("error: invalid number of threads: %d\n", threads);
|
2022-07-10 11:01:17 +00:00
|
|
|
exit(1);
|
|
|
|
|
}
|
|
|
|
|
|
2022-07-25 02:40:32 +00:00
|
|
|
// secure the server
|
|
|
|
|
__enable_threads();
|
|
|
|
|
unveil("/dev/null", "rw");
|
|
|
|
|
unveil(0, 0);
|
|
|
|
|
pledge("stdio inet", 0);
|
|
|
|
|
|
2022-07-10 11:01:17 +00:00
|
|
|
// spawn over 9,000 worker threads
|
2022-09-09 18:30:33 +00:00
|
|
|
th = calloc(threads, sizeof(pthread_t));
|
2022-07-10 11:01:17 +00:00
|
|
|
for (i = 0; i < threads; ++i) {
|
|
|
|
|
++workers;
|
2022-09-09 18:30:33 +00:00
|
|
|
if ((rc = pthread_create(th + i, 0, Worker, (void *)(intptr_t)i))) {
|
2022-07-10 11:01:17 +00:00
|
|
|
--workers;
|
2022-09-09 18:30:33 +00:00
|
|
|
kprintf("error: pthread_create(%d) failed %s\n", i, strerror(rc));
|
2022-07-10 11:01:17 +00:00
|
|
|
}
|
|
|
|
|
if (!(i % 500)) {
|
|
|
|
|
PrintStatus();
|
|
|
|
|
}
|
2022-05-14 14:44:02 +00:00
|
|
|
}
|
2022-05-23 17:15:53 +00:00
|
|
|
|
|
|
|
|
// wait for workers to terminate
|
2022-05-16 20:20:08 +00:00
|
|
|
while (workers) {
|
2022-05-23 17:15:53 +00:00
|
|
|
PrintStatus();
|
2022-05-16 20:20:08 +00:00
|
|
|
usleep(HEARTBEAT * 1000);
|
|
|
|
|
}
|
2022-05-23 17:15:53 +00:00
|
|
|
|
|
|
|
|
// clean up terminal line
|
2022-05-16 20:20:08 +00:00
|
|
|
kprintf("\r\e[K");
|
2022-05-23 17:15:53 +00:00
|
|
|
|
2022-06-16 16:06:09 +00:00
|
|
|
// join the workers
|
2022-07-10 11:01:17 +00:00
|
|
|
for (i = 0; i < threads; ++i) {
|
2022-09-09 18:30:33 +00:00
|
|
|
pthread_join(th[i], 0);
|
2022-05-23 17:15:53 +00:00
|
|
|
}
|
2022-06-16 16:06:09 +00:00
|
|
|
|
|
|
|
|
// clean up memory
|
2022-05-23 17:15:53 +00:00
|
|
|
free(hostips);
|
2022-07-10 11:01:17 +00:00
|
|
|
free(th);
|
2022-05-14 14:44:02 +00:00
|
|
|
}
|
