144 lines
3.6 KiB
C
144 lines
3.6 KiB
C
/*
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* tcp echo server
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*
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* @build make examples
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* @server bin/tcp_echo_server 1234
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* @client bin/nc 127.0.0.1 1234
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* nc 127.0.0.1 1234
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* telnet 127.0.0.1 1234
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*/
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#include "hloop.h"
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#include "hsocket.h"
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#include "hssl.h"
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/*
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* @test ssl_server
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* #define TEST_SSL 1
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*
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* @build ./configure --with-openssl && make clean && make
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* @server bin/tcp_echo_server 1234
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* @client bin/nc -s 127.0.0.1 1234
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*
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*/
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#define TEST_SSL 0
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#define TEST_READ_ONCE 0
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#define TEST_READLINE 0
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#define TEST_READSTRING 0
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#define TEST_READBYTES 0
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#define TEST_READ_STOP 0
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#define TEST_UNPACK 0
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#if TEST_UNPACK
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static unpack_setting_t unpack_setting;
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#endif
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// hloop_create_tcp_server -> on_accept -> hio_read -> on_recv -> hio_write
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static void on_close(hio_t* io) {
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printf("on_close fd=%d error=%d\n", hio_fd(io), hio_error(io));
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}
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static void on_recv(hio_t* io, void* buf, int readbytes) {
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printf("on_recv fd=%d readbytes=%d\n", hio_fd(io), readbytes);
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char localaddrstr[SOCKADDR_STRLEN] = {0};
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char peeraddrstr[SOCKADDR_STRLEN] = {0};
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printf("[%s] <=> [%s]\n",
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SOCKADDR_STR(hio_localaddr(io), localaddrstr),
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SOCKADDR_STR(hio_peeraddr(io), peeraddrstr));
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printf("< %.*s", readbytes, (char*)buf);
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// echo
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printf("> %.*s", readbytes, (char*)buf);
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hio_write(io, buf, readbytes);
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#if TEST_READ_STOP
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hio_read_stop(io);
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#elif TEST_READ_ONCE
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hio_read_once(io);
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#elif TEST_READLINE
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hio_readline(io);
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#elif TEST_READSTRING
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hio_readstring(io);
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#elif TEST_READBYTES
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hio_readbytes(io, TEST_READBYTES);
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#endif
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}
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static void on_accept(hio_t* io) {
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printf("on_accept connfd=%d\n", hio_fd(io));
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char localaddrstr[SOCKADDR_STRLEN] = {0};
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char peeraddrstr[SOCKADDR_STRLEN] = {0};
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printf("accept connfd=%d [%s] <= [%s]\n", hio_fd(io),
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SOCKADDR_STR(hio_localaddr(io), localaddrstr),
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SOCKADDR_STR(hio_peeraddr(io), peeraddrstr));
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hio_setcb_close(io, on_close);
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hio_setcb_read(io, on_recv);
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#if TEST_UNPACK
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hio_set_unpack(io, &unpack_setting);
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#endif
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#if TEST_READ_ONCE
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hio_read_once(io);
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#elif TEST_READLINE
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hio_readline(io);
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#elif TEST_READSTRING
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hio_readstring(io);
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#elif TEST_READBYTES
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hio_readbytes(io, TEST_READBYTES);
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#else
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hio_read_start(io);
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#endif
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}
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int main(int argc, char** argv) {
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if (argc < 2) {
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printf("Usage: %s port|path\n", argv[0]);
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return -10;
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}
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const char* host = "0.0.0.0";
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int port = atoi(argv[1]);
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#if ENABLE_UDS
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if (port == 0) {
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host = argv[1];
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port = -1;
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}
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#endif
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#if TEST_UNPACK
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memset(&unpack_setting, 0, sizeof(unpack_setting_t));
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unpack_setting.package_max_length = DEFAULT_PACKAGE_MAX_LENGTH;
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unpack_setting.mode = UNPACK_BY_DELIMITER;
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unpack_setting.delimiter[0] = '\r';
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unpack_setting.delimiter[1] = '\n';
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unpack_setting.delimiter_bytes = 2;
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#endif
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hloop_t* loop = hloop_new(0);
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#if TEST_SSL
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hio_t* listenio = hloop_create_ssl_server(loop, host, port, on_accept);
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#else
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hio_t* listenio = hloop_create_tcp_server(loop, host, port, on_accept);
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#endif
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if (listenio == NULL) {
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return -20;
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}
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#if TEST_SSL
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hssl_ctx_opt_t ssl_param;
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memset(&ssl_param, 0, sizeof(ssl_param));
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ssl_param.crt_file = "cert/server.crt";
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ssl_param.key_file = "cert/server.key";
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ssl_param.endpoint = HSSL_SERVER;
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if (hio_new_ssl_ctx(listenio, &ssl_param) != 0) {
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fprintf(stderr, "hssl_ctx_new failed!\n");
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return -30;
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}
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#endif
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printf("listenfd=%d\n", hio_fd(listenio));
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hloop_run(loop);
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hloop_free(&loop);
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return 0;
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}
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