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A more sophisticated status variable for later making the initial

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connection nonblocking.
This commit is contained in:
Gregor Richards 2016-12-03 11:52:27 -05:00
parent 0f5eec9987
commit ba76528b8f
4 changed files with 31 additions and 19 deletions
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19
network/netplay/netplay.c
View File

@ -281,7 +281,7 @@ static void hangup(netplay_t *netplay)
{
if (!netplay)
return;
if (!netplay->has_connection)
if (netplay->status == RARCH_NETPLAY_CONNECTION_NONE)
return;
RARCH_WARN("Netplay has disconnected. Will continue without connection ...\n");
@ -300,7 +300,7 @@ static void hangup(netplay_t *netplay)
}
}
netplay->has_connection = false;
netplay->status = RARCH_NETPLAY_CONNECTION_NONE;
/* Reset things that will behave oddly if we get a new connection */
netplay->remote_paused = false;
@ -328,7 +328,7 @@ static bool netplay_should_skip(netplay_t *netplay)
{
if (!netplay)
return false;
return netplay->is_replay && netplay->has_connection;
return netplay->is_replay && (netplay->status == RARCH_NETPLAY_CONNECTION_PLAYING);
}
static bool netplay_can_poll(netplay_t *netplay)
@ -907,7 +907,7 @@ static bool netplay_poll(void)
{
int res;
if (!netplay_data->has_connection)
if (netplay_data->status == RARCH_NETPLAY_CONNECTION_NONE)
return false;
netplay_data->can_poll = false;
@ -1009,7 +1009,7 @@ static bool netplay_is_alive(void)
{
if (!netplay_data)
return false;
return netplay_data->has_connection;
return (netplay_data->status == RARCH_NETPLAY_CONNECTION_PLAYING);
}
static bool netplay_flip_port(netplay_t *netplay, bool port)
@ -1588,7 +1588,7 @@ bool netplay_pre_frame(netplay_t *netplay)
if (!netplay->net_cbs->pre_frame(netplay))
return false;
return (!netplay->has_connection ||
return ((netplay->status != RARCH_NETPLAY_CONNECTION_PLAYING) ||
(!netplay->stall && !netplay->remote_paused));
}
@ -1622,7 +1622,8 @@ void netplay_frontend_paused(netplay_t *netplay, bool paused)
return;
netplay->local_paused = paused;
if (netplay->has_connection && !netplay->spectate.enabled)
if (netplay->status != RARCH_NETPLAY_CONNECTION_NONE &&
!netplay->spectate.enabled)
{
netplay_send_raw_cmd(netplay, paused
? NETPLAY_CMD_PAUSE : NETPLAY_CMD_RESUME, NULL, 0);
@ -1649,7 +1650,7 @@ void netplay_load_savestate(netplay_t *netplay,
retro_ctx_serialize_info_t tmp_serial_info;
uint32_t rd, wn;
if (!netplay->has_connection)
if (netplay->status != RARCH_NETPLAY_CONNECTION_PLAYING)
return;
/* Record it in our own buffer */
@ -1745,7 +1746,7 @@ void netplay_load_savestate(netplay_t *netplay,
**/
bool netplay_disconnect(netplay_t *netplay)
{
if (!netplay || !netplay->has_connection)
if (!netplay || (netplay->status == RARCH_NETPLAY_CONNECTION_NONE))
return true;
hangup(netplay);
return true;

10
network/netplay/netplay_net.c
View File

@ -105,13 +105,13 @@ static bool netplay_net_pre_frame(netplay_t *netplay)
}
/* If we can't transmit savestates, we must stall until the client is ready */
if (!netplay->has_connection &&
if (netplay->status != RARCH_NETPLAY_CONNECTION_PLAYING &&
netplay->self_frame_count > 0 &&
(netplay->quirks & (NETPLAY_QUIRK_NO_SAVESTATES|NETPLAY_QUIRK_NO_TRANSMISSION)))
netplay->stall = RARCH_NETPLAY_STALL_NO_CONNECTION;
}
if (netplay->is_server && !netplay->has_connection)
if (netplay->is_server && netplay->status == RARCH_NETPLAY_CONNECTION_NONE)
{
fd_set fds;
struct timeval tmp_tv = {0};
@ -163,7 +163,7 @@ static bool netplay_net_pre_frame(netplay_t *netplay)
/* Establish the connection */
if (netplay_handshake(netplay))
{
netplay->has_connection = true;
netplay->status = RARCH_NETPLAY_CONNECTION_PLAYING;
/* FIXME: Not the best place for this, needs to happen after initial
* connection in get_info */
@ -223,7 +223,7 @@ static void netplay_net_post_frame(netplay_t *netplay)
netplay->self_frame_count++;
/* Only relevant if we're connected */
if (!netplay->has_connection)
if (netplay->status != RARCH_NETPLAY_CONNECTION_PLAYING)
{
netplay->read_frame_count = netplay->other_frame_count = netplay->self_frame_count;
netplay->read_ptr = netplay->other_ptr = netplay->self_ptr;
@ -353,7 +353,7 @@ static bool netplay_net_info_cb(netplay_t* netplay, unsigned frames)
{
if (!netplay_handshake(netplay))
return false;
netplay->has_connection = true;
netplay->status = RARCH_NETPLAY_CONNECTION_PLAYING;
}
return true;

19
network/netplay/netplay_private.h
View File

@ -117,11 +117,20 @@ struct netplay_callbacks {
bool (*info_cb) (netplay_t *netplay, unsigned frames);
};
enum rarch_netplay_connection_status
{
RARCH_NETPLAY_CONNECTION_NONE = 0,
RARCH_NETPLAY_CONNECTION_INIT, /* Waiting for header */
RARCH_NETPLAY_CONNECTION_PRE_NICK, /* Waiting for nick */
RARCH_NETPLAY_CONNECTION_PRE_SRAM, /* Waiting for SRAM */
RARCH_NETPLAY_CONNECTION_PLAYING /* Normal ready state */
};
enum rarch_netplay_stall_reasons
{
RARCH_NETPLAY_STALL_NONE = 0,
RARCH_NETPLAY_STALL_RUNNING_FAST,
RARCH_NETPLAY_STALL_NO_CONNECTION
RARCH_NETPLAY_STALL_NONE = 0,
RARCH_NETPLAY_STALL_RUNNING_FAST,
RARCH_NETPLAY_STALL_NO_CONNECTION
};
struct netplay
@ -130,6 +139,9 @@ struct netplay
char other_nick[32];
struct sockaddr_storage other_addr;
/* Status of our connection */
enum rarch_netplay_connection_status status;
struct retro_callbacks cbs;
/* TCP connection for state sending, etc. Also used for commands */
int fd;
@ -140,7 +152,6 @@ struct netplay
struct natt_status nat_traversal_state;
/* Which port is governed by netplay (other user)? */
unsigned port;
bool has_connection;
struct delta_frame *buffer;
size_t buffer_size;

2
network/netplay/netplay_spectate.c
View File

@ -285,7 +285,7 @@ static bool netplay_spectate_info_cb(netplay_t* netplay, unsigned frames)
return false;
}
netplay->has_connection = true;
netplay->status = RARCH_NETPLAY_CONNECTION_PLAYING;
return true;
}