87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
|
/*
|
||
|
|
* tcp proxy server
|
||
|
|
*
|
||
|
|
* @build: make clean && make examples WITH_OPENSSL=yes
|
||
|
|
* @http_server: bin/httpd -s restart -d
|
||
|
|
* @proxy_server: bin/tcp_proxy_server 1080 127.0.0.1:8080
|
||
|
|
* bin/tcp_proxy_server 1080 127.0.0.1:8443
|
||
|
|
* bin/tcp_proxy_server 1080 www.baidu.com
|
||
|
|
* bin/tcp_proxy_server 1080 www.baidu.com:443
|
||
|
|
* @client: bin/curl -v 127.0.0.1:1080
|
||
|
|
* bin/nc 127.0.0.1 1080
|
||
|
|
* > GET / HTTP/1.1
|
||
|
|
* > Connection: close
|
||
|
|
* > [Enter]
|
||
|
|
* > GET / HTTP/1.1
|
||
|
|
* > Connection: keep-alive
|
||
|
|
* > [Enter]
|
||
|
|
*
|
||
|
|
* @benchmark: sudo apt install iperf
|
||
|
|
* iperf -s -p 5001
|
||
|
|
* bin/tcp_proxy_server 1212 127.0.0.1:5001
|
||
|
|
* iperf -c 127.0.0.1 -p 5001 -l 8K
|
||
|
|
* iperf -c 127.0.0.1 -p 1212 -l 8K
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "hloop.h"
|
||
|
|
#include "hsocket.h"
|
||
|
|
|
||
|
|
static char proxy_host[64] = "0.0.0.0";
|
||
|
|
static int proxy_port = 1080;
|
||
|
|
static int proxy_ssl = 0;
|
||
|
|
|
||
|
|
static char backend_host[64] = "127.0.0.1";
|
||
|
|
static int backend_port = 80;
|
||
|
|
static int backend_ssl = 0;
|
||
|
|
|
||
|
|
// hloop_create_tcp_server -> on_accept -> hio_setup_tcp_upstream
|
||
|
|
|
||
|
|
static void on_accept(hio_t* io) {
|
||
|
|
/*
|
||
|
|
printf("on_accept connfd=%d\n", hio_fd(io));
|
||
|
|
char localaddrstr[SOCKADDR_STRLEN] = {0};
|
||
|
|
char peeraddrstr[SOCKADDR_STRLEN] = {0};
|
||
|
|
printf("accept connfd=%d [%s] <= [%s]\n", hio_fd(io),
|
||
|
|
SOCKADDR_STR(hio_localaddr(io), localaddrstr),
|
||
|
|
SOCKADDR_STR(hio_peeraddr(io), peeraddrstr));
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (backend_port % 1000 == 443) backend_ssl = 1;
|
||
|
|
hio_setup_tcp_upstream(io, backend_host, backend_port, backend_ssl);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char** argv) {
|
||
|
|
if (argc < 3) {
|
||
|
|
printf("Usage: %s proxy_port backend_host:backend_port\n", argv[0]);
|
||
|
|
return -10;
|
||
|
|
}
|
||
|
|
proxy_port = atoi(argv[1]);
|
||
|
|
if (proxy_port % 1000 == 443) proxy_ssl = 1;
|
||
|
|
char* pos = strchr(argv[2], ':');
|
||
|
|
if (pos) {
|
||
|
|
int len = pos - argv[2];
|
||
|
|
if (len > 0) {
|
||
|
|
memcpy(backend_host, argv[2], len);
|
||
|
|
backend_host[len] = '\0';
|
||
|
|
}
|
||
|
|
backend_port = atoi(pos + 1);
|
||
|
|
} else {
|
||
|
|
strncpy(backend_host, argv[2], sizeof(backend_host));
|
||
|
|
}
|
||
|
|
if (backend_port == 0) backend_port = 80;
|
||
|
|
printf("%s:%d proxy %s:%d\n", proxy_host, proxy_port, backend_host, backend_port);
|
||
|
|
|
||
|
|
hloop_t* loop = hloop_new(0);
|
||
|
|
hio_t* listenio = hloop_create_tcp_server(loop, proxy_host, proxy_port, on_accept);
|
||
|
|
if (listenio == NULL) {
|
||
|
|
return -20;
|
||
|
|
}
|
||
|
|
printf("listenfd=%d\n", hio_fd(listenio));
|
||
|
|
if (proxy_ssl) {
|
||
|
|
hio_enable_ssl(listenio);
|
||
|
|
}
|
||
|
|
hloop_run(loop);
|
||
|
|
hloop_free(&loop);
|
||
|
|
return 0;
|
||
|
|
}
|