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Do not create control socket if no control

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If --no-control is enabled, then it is not necessary to create a second
communication socket between the client and the server.

This also facilitates the use of the server alone (without the client)
to receive only the raw video stream.
This commit is contained in:
Romain Vimont 2021-12-06 21:50:24 +01:00
commit cabcbc2b15
3 changed files with 51 additions and 32 deletions
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33
app/src/server.c
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@ -388,6 +388,7 @@ sc_server_connect_to(struct sc_server *server, struct sc_server_info *info) {
assert(tunnel->enabled);
const char *serial = server->params.serial;
bool control = server->params.control;
sc_socket video_socket = SC_SOCKET_NONE;
sc_socket control_socket = SC_SOCKET_NONE;
@ -397,9 +398,12 @@ sc_server_connect_to(struct sc_server *server, struct sc_server_info *info) {
goto fail;
}
control_socket = net_accept_intr(&server->intr, tunnel->server_socket);
if (control_socket == SC_SOCKET_NONE) {
goto fail;
if (control) {
control_socket =
net_accept_intr(&server->intr, tunnel->server_socket);
if (control_socket == SC_SOCKET_NONE) {
goto fail;
}
}
} else {
uint32_t tunnel_host = server->params.tunnel_host;
@ -420,15 +424,18 @@ sc_server_connect_to(struct sc_server *server, struct sc_server_info *info) {
goto fail;
}
// we know that the device is listening, we don't need several attempts
control_socket = net_socket();
if (control_socket == SC_SOCKET_NONE) {
goto fail;
}
bool ok = net_connect_intr(&server->intr, control_socket, tunnel_host,
tunnel_port);
if (!ok) {
goto fail;
if (control) {
// we know that the device is listening, we don't need several
// attempts
control_socket = net_socket();
if (control_socket == SC_SOCKET_NONE) {
goto fail;
}
bool ok = net_connect_intr(&server->intr, control_socket,
tunnel_host, tunnel_port);
if (!ok) {
goto fail;
}
}
}
@ -442,7 +449,7 @@ sc_server_connect_to(struct sc_server *server, struct sc_server_info *info) {
}
assert(video_socket != SC_SOCKET_NONE);
assert(control_socket != SC_SOCKET_NONE);
assert(!control || control_socket != SC_SOCKET_NONE);
server->video_socket = video_socket;
server->control_socket = control_socket;