tpws: old headers compat, increase default fix seg to 50 ms

This commit is contained in:
bol-van 2024-12-14 13:13:41 +03:00
parent d9a24b4105
commit 675a8e52b6
3 changed files with 113 additions and 11 deletions

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@ -12,10 +12,6 @@
#include <libgen.h>
#include <unistd.h>
#ifdef __linux__
#include <linux/tcp.h>
#endif
#ifdef __ANDROID__
#include "andr/ifaddrs.h"
#else
@ -23,6 +19,7 @@
#endif
#include "helpers.h"
#include "linux_compat.h"
int unique_size_t(size_t *pu, int ct)
{
@ -481,7 +478,7 @@ void msleep(unsigned int ms)
bool socket_supports_notsent()
{
int sfd;
struct tcp_info tcpi;
union my_tcp_info tcpi;
sfd = socket(AF_INET,SOCK_STREAM,0);
if (sfd<0) return false;
@ -494,22 +491,22 @@ bool socket_supports_notsent()
}
close(sfd);
return ts>=((char *)&tcpi.tcpi_notsent_bytes - (char *)&tcpi.tcpi_state + sizeof(tcpi.tcpi_notsent_bytes));
return ts>=((char *)&tcpi.ti.tcpi_notsent_bytes - (char *)&tcpi.ti + sizeof(tcpi.ti.tcpi_notsent_bytes));
}
bool socket_has_notsent(int sfd)
{
struct tcp_info tcpi;
union my_tcp_info tcpi;
socklen_t ts = sizeof(tcpi);
if (getsockopt(sfd, IPPROTO_TCP, TCP_INFO, (char *)&tcpi, &ts) < 0)
return false;
if (tcpi.tcpi_state != 1) // TCP_ESTABLISHED
if (tcpi.ti.tcpi_state != 1) // TCP_ESTABLISHED
return false;
size_t s = (char *)&tcpi.tcpi_notsent_bytes - (char *)&tcpi + sizeof(tcpi.tcpi_notsent_bytes);
size_t s = (char *)&tcpi.ti.tcpi_notsent_bytes - (char *)&tcpi.ti + sizeof(tcpi.ti.tcpi_notsent_bytes);
if (ts < s)
// old structure version
return false;
return !!tcpi.tcpi_notsent_bytes;
return !!tcpi.ti.tcpi_notsent_bytes;
}
bool socket_wait_notsent(int sfd, unsigned int delay_ms, unsigned int *wasted_ms)
{

105
tpws/linux_compat.h Normal file
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@ -0,0 +1,105 @@
#ifdef __linux__
#include <linux/tcp.h>
// workaround for old headers
struct tcp_info_new {
__u8 tcpi_state;
__u8 tcpi_ca_state;
__u8 tcpi_retransmits;
__u8 tcpi_probes;
__u8 tcpi_backoff;
__u8 tcpi_options;
__u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
__u8 tcpi_delivery_rate_app_limited : 1, tcpi_fastopen_client_fail : 2;
__u32 tcpi_rto;
__u32 tcpi_ato;
__u32 tcpi_snd_mss;
__u32 tcpi_rcv_mss;
__u32 tcpi_unacked;
__u32 tcpi_sacked;
__u32 tcpi_lost;
__u32 tcpi_retrans;
__u32 tcpi_fackets;
/* Times. */
__u32 tcpi_last_data_sent;
__u32 tcpi_last_ack_sent; /* Not remembered, sorry. */
__u32 tcpi_last_data_recv;
__u32 tcpi_last_ack_recv;
/* Metrics. */
__u32 tcpi_pmtu;
__u32 tcpi_rcv_ssthresh;
__u32 tcpi_rtt;
__u32 tcpi_rttvar;
__u32 tcpi_snd_ssthresh;
__u32 tcpi_snd_cwnd;
__u32 tcpi_advmss;
__u32 tcpi_reordering;
__u32 tcpi_rcv_rtt;
__u32 tcpi_rcv_space;
__u32 tcpi_total_retrans;
__u64 tcpi_pacing_rate;
__u64 tcpi_max_pacing_rate;
__u64 tcpi_bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
__u64 tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
__u32 tcpi_segs_out; /* RFC4898 tcpEStatsPerfSegsOut */
__u32 tcpi_segs_in; /* RFC4898 tcpEStatsPerfSegsIn */
__u32 tcpi_notsent_bytes;
__u32 tcpi_min_rtt;
__u32 tcpi_data_segs_in; /* RFC4898 tcpEStatsDataSegsIn */
__u32 tcpi_data_segs_out; /* RFC4898 tcpEStatsDataSegsOut */
__u64 tcpi_delivery_rate;
__u64 tcpi_busy_time; /* Time (usec) busy sending data */
__u64 tcpi_rwnd_limited; /* Time (usec) limited by receive window */
__u64 tcpi_sndbuf_limited; /* Time (usec) limited by send buffer */
__u32 tcpi_delivered;
__u32 tcpi_delivered_ce;
__u64 tcpi_bytes_sent; /* RFC4898 tcpEStatsPerfHCDataOctetsOut */
__u64 tcpi_bytes_retrans; /* RFC4898 tcpEStatsPerfOctetsRetrans */
__u32 tcpi_dsack_dups; /* RFC4898 tcpEStatsStackDSACKDups */
__u32 tcpi_reord_seen; /* reordering events seen */
__u32 tcpi_rcv_ooopack; /* Out-of-order packets received */
__u32 tcpi_snd_wnd; /* peer's advertised receive window after
* scaling (bytes)
*/
__u32 tcpi_rcv_wnd; /* local advertised receive window after
* scaling (bytes)
*/
__u32 tcpi_rehash; /* PLB or timeout triggered rehash attempts */
__u16 tcpi_total_rto; /* Total number of RTO timeouts, including
* SYN/SYN-ACK and recurring timeouts.
*/
__u16 tcpi_total_rto_recoveries; /* Total number of RTO
* recoveries, including any
* unfinished recovery.
*/
__u32 tcpi_total_rto_time; /* Total time spent in RTO recoveries
* in milliseconds, including any
* unfinished recovery.
*/
};
union my_tcp_info
{
struct tcp_info ti_native;
struct tcp_info_new ti;
};
#endif

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@ -18,7 +18,7 @@
#define HOSTLIST_AUTO_FAIL_THRESHOLD_DEFAULT 3
#define HOSTLIST_AUTO_FAIL_TIME_DEFAULT 60
#define FIX_SEG_DEFAULT_MAX_WAIT 30
#define FIX_SEG_DEFAULT_MAX_WAIT 50
enum bindll { unwanted=0, no, prefer, force };