Andrea Maria Piana e65760ca85 Add basic peersyncing
This commit adds basic syncing capabilities with peers if they are both
online.

It updates the work done on MVDS, but I decided to create the code in
status-go instead, since it's very tight to the application (similarly
the code that was the inspiration for mvds, bramble, is all tight
together at the database level).

I reused parts of the protobufs.

The flow is:

1) An OFFER message is sent periodically with a bunch of message-ids and
   group-ids.
2) Anyone can REQUEST some of those messages if not present in their
   database.

3) The peer will then send over those messages.

It's disabled by default, but I am planning to add a way to set up the
flags.
2024-01-23 12:46:17 +00:00

36 lines
755 B
C

#ifndef _SYS_PARAM_H
#define _SYS_PARAM_H
#define MAXSYMLINKS 20
#define MAXHOSTNAMELEN 64
#define MAXNAMLEN 255
#define MAXPATHLEN 4096
#define NBBY 8
#define NGROUPS 32
#define CANBSIZ 255
#define NOFILE 256
#define NCARGS 131072
#define DEV_BSIZE 512
#define NOGROUP (-1)
#undef MIN
#undef MAX
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
#define __bitop(x,i,o) ((x)[(i)/8] o (1<<(i)%8))
#define setbit(x,i) __bitop(x,i,|=)
#define clrbit(x,i) __bitop(x,i,&=~)
#define isset(x,i) __bitop(x,i,&)
#define isclr(x,i) !isset(x,i)
#define howmany(n,d) (((n)+((d)-1))/(d))
#define roundup(n,d) (howmany(n,d)*(d))
#define powerof2(n) !(((n)-1) & (n))
#include <sys/resource.h>
#include <endian.h>
#include <limits.h>
#endif