bool netplay_cmd_request_savestate(netplay_t *netplay)
{
if (netplay->savestate_request_outstanding)
return true;
netplay->savestate_request_outstanding = true;
return netplay_send_raw_cmd(netplay, NETPLAY_CMD_REQUEST_SAVESTATE, NULL, 0);
}
bool netplay_cmd_crc(netplay_t *netplay, struct delta_frame *delta)
{
uint32_t payload[2];
payload[0] = htonl(delta->frame);
payload[1] = htonl(delta->crc);
return netplay_send_raw_cmd(netplay, NETPLAY_CMD_CRC, payload, sizeof(payload));
}
/**
* netplay_frontend_paused
* @netplay : pointer to netplay object
* @paused : true if frontend is paused
*
* Inform Netplay of the frontend's pause state (paused or otherwise)
*/
static void netplay_frontend_paused(netplay_t *netplay, bool paused)
{
size_t i;
uint32_t paused_ct;
/* Nothing to do if we already knew this */
if (netplay->local_paused == paused)
return;
netplay->local_paused = paused;
/* Communicating this is a bit odd: If exactly one other connection is
* paused, then we must tell them that we're unpaused, as from their
* perspective we are. If more than one other connection is paused, then our
* status as proxy means we are NOT unpaused to either of them. */
paused_ct = 0;
for (i = 0; i < netplay->connections_size; i++)
{
struct netplay_connection *connection = &netplay->connections[i];
if (connection->active && connection->paused)
paused_ct++;
}
if (paused_ct > 1)
return;
/* Send our unpaused status. Must send manually because we must immediately
* flush the buffer: If we're paused, we won't be polled. */
for (i = 0; i < netplay->connections_size; i++)
{
struct netplay_connection *connection = &netplay->connections[i];
if (connection->active && connection->mode >= NETPLAY_CONNECTION_CONNECTED)
{
if (paused)
netplay_send_raw_cmd(netplay, connection, NETPLAY_CMD_PAUSE,
netplay->nick, NETPLAY_NICK_LEN);
else
netplay_send_raw_cmd(netplay, connection, NETPLAY_CMD_RESUME,
NULL, 0);
/* We're not going to be polled, so we need to flush this command now */
netplay_send_flush(&connection->send_packet_buffer, connection->fd, true);
}
}
}
/**
* netplay_frontend_paused
* @netplay : pointer to netplay object
* @paused : true if frontend is paused
*
* Inform Netplay of the frontend's pause state (paused or otherwise)
**/
void netplay_frontend_paused(netplay_t *netplay, bool paused)
{
/* Nothing to do if we already knew this */
if (netplay->local_paused == paused)
return;
netplay->local_paused = paused;
if (netplay->has_connection && !netplay->spectate.enabled)
netplay_send_raw_cmd(netplay, paused
? NETPLAY_CMD_PAUSE : NETPLAY_CMD_RESUME, NULL, 0);
}
/**
* netplay_command:
* @netplay : pointer to netplay object
* @cmd : command to send
* @data : data to send as argument
* @sz : size of data
* @command_str : name of action
* @success_msg : message to display upon success
*
* Sends a single netplay command and waits for response. Only actually used
* for player flipping. FIXME: Should probably just be removed.
*/
bool netplay_command(netplay_t* netplay, struct netplay_connection *connection,
enum netplay_cmd cmd, void* data, size_t sz, const char* command_str,
const char* success_msg)
{
retro_assert(netplay);
if (!netplay_send_raw_cmd(netplay, connection, cmd, data, sz))
return false;
runloop_msg_queue_push(success_msg, 1, 180, false);
return true;
}
/**
* netplay_command:
* @netplay : pointer to netplay object
* @cmd : command to send
* @data : data to send as argument
* @sz : size of data
* @flags : flags of CMD_OPT_*
* @command_str : name of action
* @success_msg : message to display upon success
*
* Sends a single netplay command and waits for response.
*/
bool netplay_command(netplay_t* netplay, enum netplay_cmd cmd,
void* data, size_t sz,
uint32_t flags,
const char* command_str,
const char* success_msg)
{
char m[256];
const char* msg = NULL;
bool allowed_spectate = !!(flags & CMD_OPT_ALLOWED_IN_SPECTATE_MODE);
bool host_only = !!(flags & CMD_OPT_HOST_ONLY);
bool require_sync = !!(flags & CMD_OPT_REQUIRE_SYNC);
assert(netplay);
if (netplay->spectate.enabled && !allowed_spectate)
{
msg = "Cannot %s in spectate mode.";
goto error;
}
if (host_only && netplay->port == 0)
{
msg = "Cannot %s as a client.";
goto error;
}
if(require_sync && check_netplay_synched(netplay))
{
msg = "Cannot %s while host and client are not in sync.";
goto error;
}
if(netplay_send_raw_cmd(netplay, cmd, data, sz)) {
if(netplay_get_response(netplay))
runloop_msg_queue_push(success_msg, 1, 180, false);
else
{
msg = "Failed to send command \"%s\"";
goto error;
}
}
return true;
error:
snprintf(m, sizeof(m), msg, command_str);
RARCH_WARN("%s\n", m);
runloop_msg_queue_push(m, 1, 180, false);
return false;
}
/**
* netplay_command:
* @netplay : pointer to netplay object
* @cmd : command to send
* @data : data to send as argument
* @sz : size of data
* @flags : flags of CMD_OPT_*
* @command_str : name of action
* @success_msg : message to display upon success
*
* Sends a single netplay command and waits for response.
*/
bool netplay_command(netplay_t* netplay, enum netplay_cmd cmd,
void* data, size_t sz,
uint32_t flags,
const char* command_str,
const char* success_msg)
{
char m[256];
const char* msg = NULL;
bool allowed_spectate = !!(flags & CMD_OPT_ALLOWED_IN_SPECTATE_MODE);
bool host_only = !!(flags & CMD_OPT_HOST_ONLY);
retro_assert(netplay);
if (netplay->spectate.enabled && !allowed_spectate)
{
msg = "Cannot %s in spectate mode.";
goto error;
}
if (host_only && netplay->port == 0)
{
msg = "Cannot %s as a client.";
goto error;
}
if (!netplay_send_raw_cmd(netplay, cmd, data, sz))
goto error;
runloop_msg_queue_push(success_msg, 1, 180, false);
return true;
error:
if (msg)
snprintf(m, sizeof(m), msg, command_str);
RARCH_WARN("%s\n", m);
runloop_msg_queue_push(m, 1, 180, false);
return false;
}
static bool netplay_cmd_nak(netplay_t *netplay)
{
return netplay_send_raw_cmd(netplay, NETPLAY_CMD_NAK, NULL, 0);
}