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add websocket ping interval option (#519)

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MATSUO Takatoshi
2020-11-07 13:00:27 +09:00
committed by GitHub
parent 31f833bb7d
commit 47325461eb
1 changed files with 35 additions and 0 deletions
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35
src/server.c
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@@ -42,6 +42,18 @@ static const struct lws_extension extensions[] = {
{NULL, NULL, NULL}};
#endif
#if LWS_LIBRARY_VERSION_NUMBER >= 4000000
static const uint32_t backoff_ms[] = { 1000, 2000, 3000, 4000, 5000 };
static lws_retry_bo_t retry = {
.retry_ms_table = backoff_ms,
.retry_ms_table_count = LWS_ARRAY_SIZE(backoff_ms),
.conceal_count = LWS_ARRAY_SIZE(backoff_ms),
.secs_since_valid_ping = 300,
.secs_since_valid_hangup = 300 + 7,
.jitter_percent = 0,
};
#endif
// command line options
static const struct option options[] = {
{"port", required_argument, NULL, 'p'},
@@ -52,6 +64,9 @@ static const struct option options[] = {
{"signal", required_argument, NULL, 's'},
{"index", required_argument, NULL, 'I'},
{"base-path", required_argument, NULL, 'b'},
#if LWS_LIBRARY_VERSION_NUMBER >= 4000000
{"ping-interval", required_argument, NULL, 'P'},
#endif
{"ipv6", no_argument, NULL, '6'},
{"ssl", no_argument, NULL, 'S'},
{"ssl-cert", required_argument, NULL, 'C'},
@@ -69,7 +84,13 @@ static const struct option options[] = {
{"version", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, 0, 0}};
#if LWS_LIBRARY_VERSION_NUMBER < 4000000
static const char *opt_string = "p:i:c:u:g:s:I:b:6aSC:K:A:Rt:T:Om:oBd:vh";
#endif
#if LWS_LIBRARY_VERSION_NUMBER >= 4000000
static const char *opt_string = "p:i:c:u:g:s:I:b:P:6aSC:K:A:Rt:T:Om:oBd:vh";
#endif
static void print_help() {
// clang-format off
@@ -95,6 +116,9 @@ static void print_help() {
" -B, --browser Open terminal with the default system browser\n"
" -I, --index Custom index.html path\n"
" -b, --base-path Expected base path for requests coming from a reverse proxy (eg: /mounted/here)\n"
#if LWS_LIBRARY_VERSION_NUMBER >= 4000000
" -P, --ping-interval Websocket ping interval(sec) (default: 300)\n"
#endif
#ifdef LWS_WITH_IPV6
" -6, --ipv6 Enable IPv6 support\n"
#endif
@@ -380,6 +404,17 @@ int main(int argc, char **argv) {
sc(ws) sc(index) sc(token) sc(parent)
#undef sc
} break;
#if LWS_LIBRARY_VERSION_NUMBER >= 4000000
case 'P':
if (atoi(optarg) <= 0) {
fprintf(stderr, "ttyd: invalid ping interval: %s\n", optarg);
return -1;
}
retry.secs_since_valid_ping = atoi(optarg);
retry.secs_since_valid_hangup = atoi(optarg) + 7;
info.retry_and_idle_policy = &retry;
break;
#endif
case '6':
info.options &= ~(LWS_SERVER_OPTION_DISABLE_IPV6);
break;