Add some also-ZeroTier-written ext/ code for use in new clustering, delete some old code, and change Mac to use -Os which is just as fast as -Ofast and may be faster due to cache effects.

ext/vsdm/vsdm-test.cpp

@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <iostream>
+
+#define VSDM_DEBUG 1
+
+#include "vsdm.hpp"
+
+int main(int argc,char **argv)
+{
+	if (argc < 4) {
+		printf("Usage: vsdm-test <id> <node-id> <port> [<remote-node-id>/<remote-address>/<remote-port>]\n");
+		return 0;
+	}
+
+	uint64_t id = (uint64_t)strtoull(argv[1],(char **)0,10);
+	uint64_t node = (uint64_t)strtoull(argv[2],(char **)0,10);
+	int port = (int)strtol(argv[3],(char **)0,10);
+
+	struct sockaddr_in sa;
+	memset(&sa,0,sizeof(sa));
+	sa.sin_family = AF_INET;
+	sa.sin_port = htons((uint16_t)port);
+
+	vsdm<std::string,std::string> m(id,node,false);
+	m.listen((const struct sockaddr *)&sa);
+
+	for(int i=4;i<argc;++i) {
+		char tmp[1024];
+		strncpy(tmp,argv[i],sizeof(tmp));
+		int k = 0;
+		char *rnode = (char *)0;
+		char *raddr = (char *)0;
+		char *rport = (char *)0;
+		for (char *f=strtok(tmp,"/");f;f=strtok((char *)0,"/")) {
+			switch(k++) {
+				case 0:
+					rnode = f;
+					break;
+				case 1:
+					raddr = f;
+					break;
+				case 2:
+					rport = f;
+					break;
+			}
+		}
+
+		if ((rnode)&&(raddr)&&(rport)) {
+			sa.sin_family = AF_INET;
+			sa.sin_port = htons((uint16_t)strtol(rport,(char **)0,10));
+			if (!inet_aton(raddr,&(sa.sin_addr))) {
+				printf("Error: %s is not a valid IPv4 address.\n",raddr);
+				return 1;
+			}
+			m.link((uint64_t)strtoull(rnode,(char **)0,10),&sa,sizeof(sa));
+		}
+	}
+
+	for(;;) {
+		char k[1024];
+		char v[1024];
+		snprintf(k,sizeof(k),"%lu",(unsigned long)node);
+		snprintf(v,sizeof(v),"%lu",(unsigned long)time(0));
+		m.set(k,v);
+		usleep(1000);
+	}
+
+	return 0;
+}