mirror of
https://gitea.invidious.io/iv-org/litespeed-quic.git
synced 2024-08-15 00:53:43 +00:00
06b2a2363e
- [API] New knob to set outgoing packet batch size. - Aborted connection now become tickable immediately. - Abort connection when HTTP/3 frame cannot be opened (can only happen when malloc fails).
160 lines
3.6 KiB
C
160 lines
3.6 KiB
C
/* Copyright (c) 2017 - 2021 LiteSpeed Technologies Inc. See LICENSE. */
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/*
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* A duck quacks! The server for the siduck protocol:
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* https://tools.ietf.org/html/draft-pardue-quic-siduck-00
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*/
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#include <assert.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/queue.h>
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#include <time.h>
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#ifndef WIN32
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#include <unistd.h>
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#include <netinet/in.h>
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#else
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#include "vc_compat.h"
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#include "getopt.h"
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#endif
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#include "lsquic.h"
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#include "../src/liblsquic/lsquic_hash.h"
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#include "test_common.h"
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#include "test_cert.h"
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#include "prog.h"
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#include "../src/liblsquic/lsquic_logger.h"
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static lsquic_conn_ctx_t *
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duck_server_on_new_conn (void *stream_if_ctx, lsquic_conn_t *conn)
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{
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LSQ_NOTICE("New siduck connection established!");
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return NULL;
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}
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static void
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duck_server_on_conn_closed (lsquic_conn_t *conn)
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{
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LSQ_NOTICE("siduck connection closed");
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}
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/* Expected request and response of the siduck protocol */
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#define REQUEST "quack"
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#define RESPONSE "quack-ack"
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static ssize_t
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duck_on_dg_write (lsquic_conn_t *conn, void *buf, size_t sz)
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{
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int s;
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/* We only write one response */
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s = lsquic_conn_want_datagram_write(conn, 0);
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assert(s == 1); /* Old value was "yes" */
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if (sz >= sizeof(RESPONSE) - 1)
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{
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LSQ_INFO("wrote `%s' in response", RESPONSE);
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memcpy(buf, RESPONSE, sizeof(RESPONSE) - 1);
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lsquic_conn_close(conn); /* Close connection right away */
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return sizeof(RESPONSE) - 1;
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}
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else
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return -1;
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}
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static void
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duck_on_datagram (lsquic_conn_t *conn, const void *buf, size_t bufsz)
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{
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int s;
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if (bufsz == sizeof(REQUEST) - 1
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&& 0 == memcmp(buf, REQUEST, sizeof(REQUEST) - 1))
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{
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LSQ_DEBUG("received the expected `%s' request", REQUEST);
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s = lsquic_conn_want_datagram_write(conn, 1);
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assert(s == 0);
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}
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else
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{
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LSQ_NOTICE("unexpected request received, abort connection");
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lsquic_conn_abort(conn);
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}
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}
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const struct lsquic_stream_if duck_server_stream_if = {
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.on_new_conn = duck_server_on_new_conn,
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.on_conn_closed = duck_server_on_conn_closed,
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.on_dg_write = duck_on_dg_write,
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.on_datagram = duck_on_datagram,
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};
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static void
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usage (const char *prog)
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{
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const char *const slash = strrchr(prog, '/');
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if (slash)
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prog = slash + 1;
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printf(
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"Usage: %s [opts]\n"
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"\n"
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"Options:\n"
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, prog);
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}
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int
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main (int argc, char **argv)
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{
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int opt, s;
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struct prog prog;
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struct sport_head sports;
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TAILQ_INIT(&sports);
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prog_init(&prog, LSENG_SERVER, &sports, &duck_server_stream_if, NULL);
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prog.prog_settings.es_datagrams = 1;
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prog.prog_settings.es_init_max_data = 0;
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prog.prog_settings.es_init_max_streams_bidi = 0;
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prog.prog_settings.es_init_max_streams_uni = 0;
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prog.prog_settings.es_max_streams_in = 0;
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while (-1 != (opt = getopt(argc, argv, PROG_OPTS "h")))
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{
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switch (opt) {
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case 'h':
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usage(argv[0]);
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prog_print_common_options(&prog, stdout);
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exit(0);
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default:
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if (0 != prog_set_opt(&prog, opt, optarg))
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exit(1);
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}
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}
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if (0 != add_alpn("siduck-00"))
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{
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LSQ_ERROR("could not add ALPN");
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exit(EXIT_FAILURE);
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}
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if (0 != prog_prep(&prog))
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{
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LSQ_ERROR("could not prep");
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exit(EXIT_FAILURE);
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}
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LSQ_DEBUG("entering event loop");
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s = prog_run(&prog);
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prog_cleanup(&prog);
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exit(0 == s ? EXIT_SUCCESS : EXIT_FAILURE);
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}
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