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Merge pull request #3740 from GregorR/netplay-bugfixes

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Netplay bugfixes
This commit is contained in:
Twinaphex 2016-10-05 16:10:18 +02:00 committed by GitHub
commit 2d7265e0d5
3 changed files with 61 additions and 11 deletions
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29
network/netplay/netplay.c
View File

@ -898,6 +898,7 @@ void netplay_log_connection(const struct sockaddr_storage *their_addr,
const char *str = NULL;
char buf_v4[INET_ADDRSTRLEN] = {0};
char buf_v6[INET6_ADDRSTRLEN] = {0};
char msg[512] = {0};
u.storage = their_addr;
@ -937,14 +938,34 @@ void netplay_log_connection(const struct sockaddr_storage *their_addr,
if (str)
{
char msg[512] = {0};
snprintf(msg, sizeof(msg), "Got connection from: \"%s (%s)\" (#%u)",
nick, str, slot);
snprintf(msg, sizeof(msg), "Got connection from: \"%s (%s)\"",
nick, str);
runloop_msg_queue_push(msg, 1, 180, false);
RARCH_LOG("%s\n", msg);
}
else
{
snprintf(msg, sizeof(msg), "Got connection from: \"%s\"",
nick);
runloop_msg_queue_push(msg, 1, 180, false);
RARCH_LOG("%s\n", msg);
}
RARCH_LOG("Connection slot %u\n", slot);
}
#else
void netplay_log_connection(const struct sockaddr_storage *their_addr,
unsigned slot, const char *nick)
{
char msg[512] = {0};
snprintf(msg, sizeof(msg), "Got connection from: \"%s\"",
nick);
runloop_msg_queue_push(msg, 1, 180, false);
RARCH_LOG("%s\n", msg);
RARCH_LOG("Connection slot %u\n", slot);
}
#endif

2
network/netplay/netplay_common.c
View File

@ -339,9 +339,7 @@ bool netplay_get_info(netplay_t *netplay)
}
}
#ifndef HAVE_SOCKET_LEGACY
netplay_log_connection(&netplay->other_addr, 0, netplay->other_nick);
#endif
return true;
}

37
network/netplay/netplay_net.c
View File

@ -27,29 +27,42 @@
#include "../../autosave.h"
#define TOO_EARLY_TO_SAVE 60
#if 0
#define DEBUG_NONDETERMINISTIC_CORES
#endif
static void netplay_handle_frame_hash(netplay_t *netplay, struct delta_frame *delta)
{
static bool crcs_valid = true;
if (netplay_is_server(netplay))
{
if (netplay->check_frames && delta->frame % netplay->check_frames == 0)
if (netplay->check_frames &&
(delta->frame % netplay->check_frames == 0 || delta->frame == 1))
{
delta->crc = netplay_delta_frame_crc(netplay, delta);
netplay_cmd_crc(netplay, delta);
}
}
else if (delta->crc)
else if (delta->crc && crcs_valid)
{
/* We have a remote CRC, so check it */
uint32_t local_crc = netplay_delta_frame_crc(netplay, delta);
if (local_crc != delta->crc)
{
if (delta->frame == 1)
{
/* We check frame 1 just to make sure the CRCs make sense at all.
* If we've diverged at frame 1, we assume CRCs are not useful. */
crcs_valid = false;
}
else if (crcs_valid)
{
/* Fix this! */
netplay_cmd_request_savestate(netplay);
}
}
}
}
/**
* netplay_net_pre_frame:
@ -184,6 +197,7 @@ static void netplay_net_post_frame(netplay_t *netplay)
return;
}
#ifndef DEBUG_NONDETERMINISTIC_CORES
if (!netplay->force_rewind)
{
/* Skip ahead if we predicted correctly.
@ -202,6 +216,7 @@ static void netplay_net_post_frame(netplay_t *netplay)
netplay->other_frame_count++;
}
}
#endif
/* Now replay the real input if we've gotten ahead of it */
if (netplay->force_rewind ||
@ -246,6 +261,22 @@ static void netplay_net_post_frame(netplay_t *netplay)
autosave_unlock();
netplay->replay_ptr = NEXT_PTR(netplay->replay_ptr);
netplay->replay_frame_count++;
#ifdef DEBUG_NONDETERMINISTIC_CORES
if (ptr->have_remote && netplay_delta_frame_ready(netplay, &netplay->buffer[netplay->replay_ptr], netplay->replay_frame_count))
{
RARCH_LOG("PRE %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
if (netplay->is_server)
RARCH_LOG("INP %X %X\n", ptr->real_input_state[0], ptr->self_state[0]);
else
RARCH_LOG("INP %X %X\n", ptr->self_state[0], ptr->real_input_state[0]);
ptr = &netplay->buffer[netplay->replay_ptr];
serial_info.data = ptr->state;
memset(serial_info.data, 0, serial_info.size);
core_serialize(&serial_info);
RARCH_LOG("POST %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
}
#endif
}
if (netplay->read_frame_count < netplay->self_frame_count)