1179 lines
22 KiB
C
1179 lines
22 KiB
C
#include "stdinc.h"
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#include "dat.h"
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#include "fns.h"
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#include "xml.h"
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typedef struct HttpObj HttpObj;
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extern QLock memdrawlock;
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enum
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{
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ObjNameSize = 64,
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MaxObjs = 64
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};
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struct HttpObj
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{
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char name[ObjNameSize];
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int (*f)(HConnect*);
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};
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static HttpObj objs[MaxObjs];
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static char *webroot;
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static void listenproc(void*);
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static int estats(HConnect *c);
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static int dindex(HConnect *c);
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static int xindex(HConnect *c);
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static int xlog(HConnect *c);
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static int sindex(HConnect *c);
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static int hempty(HConnect *c);
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static int hlcacheempty(HConnect *c);
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static int hdcacheempty(HConnect *c);
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static int hicacheempty(HConnect *c);
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static int hicachekick(HConnect *c);
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static int hdcachekick(HConnect *c);
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static int hicacheflush(HConnect *c);
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static int hdcacheflush(HConnect *c);
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static int httpdobj(char *name, int (*f)(HConnect*));
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static int xgraph(HConnect *c);
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static int xset(HConnect *c);
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static int fromwebdir(HConnect *c);
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int
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httpdinit(char *address, char *dir)
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{
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fmtinstall('D', hdatefmt);
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/* fmtinstall('H', httpfmt); */
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fmtinstall('U', hurlfmt);
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if(address == nil)
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address = "tcp!*!http";
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webroot = dir;
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httpdobj("/stats", estats);
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httpdobj("/index", dindex);
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httpdobj("/storage", sindex);
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httpdobj("/xindex", xindex);
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httpdobj("/flushicache", hicacheflush);
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httpdobj("/flushdcache", hdcacheflush);
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httpdobj("/kickicache", hicachekick);
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httpdobj("/kickdcache", hdcachekick);
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httpdobj("/graph", xgraph);
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httpdobj("/set", xset);
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httpdobj("/log", xlog);
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httpdobj("/empty", hempty);
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httpdobj("/emptyicache", hicacheempty);
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httpdobj("/emptylumpcache", hlcacheempty);
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httpdobj("/emptydcache", hdcacheempty);
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httpdobj("/disk", hdisk);
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httpdobj("/debug", hdebug);
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httpdobj("/proc/", hproc);
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if(vtproc(listenproc, address) < 0)
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return -1;
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return 0;
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}
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static int
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httpdobj(char *name, int (*f)(HConnect*))
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{
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int i;
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if(name == nil || strlen(name) >= ObjNameSize)
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return -1;
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for(i = 0; i < MaxObjs; i++){
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if(objs[i].name[0] == '\0'){
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strcpy(objs[i].name, name);
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objs[i].f = f;
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return 0;
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}
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if(strcmp(objs[i].name, name) == 0)
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return -1;
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}
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return -1;
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}
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static HConnect*
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mkconnect(void)
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{
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HConnect *c;
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c = mallocz(sizeof(HConnect), 1);
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if(c == nil)
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sysfatal("out of memory");
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c->replog = nil;
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c->hpos = c->header;
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c->hstop = c->header;
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return c;
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}
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void httpproc(void*);
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static void
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listenproc(void *vaddress)
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{
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HConnect *c;
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char *address, ndir[NETPATHLEN], dir[NETPATHLEN];
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int ctl, nctl, data;
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address = vaddress;
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ctl = announce(address, dir);
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if(ctl < 0){
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fprint(2, "venti: httpd can't announce on %s: %r\n", address);
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return;
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}
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if(0) print("announce ctl %d dir %s\n", ctl, dir);
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for(;;){
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/*
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* wait for a call (or an error)
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*/
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nctl = listen(dir, ndir);
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if(0) print("httpd listen %d %s...\n", nctl, ndir);
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if(nctl < 0){
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fprint(2, "venti: httpd can't listen on %s: %r\n", address);
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return;
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}
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data = accept(ctl, ndir);
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if(0) print("httpd accept %d...\n", data);
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if(data < 0){
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fprint(2, "venti: httpd accept: %r\n");
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close(nctl);
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continue;
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}
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if(0) print("httpd close nctl %d\n", nctl);
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close(nctl);
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c = mkconnect();
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hinit(&c->hin, data, Hread);
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hinit(&c->hout, data, Hwrite);
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vtproc(httpproc, c);
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}
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}
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void
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httpproc(void *v)
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{
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HConnect *c;
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int ok, i, n;
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c = v;
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for(;;){
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/*
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* No timeout because the signal appears to hit every
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* proc, not just us.
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*/
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if(hparsereq(c, 0) < 0)
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break;
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for(i = 0; i < MaxObjs && objs[i].name[0]; i++){
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n = strlen(objs[i].name);
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if((objs[i].name[n-1] == '/' && strncmp(c->req.uri, objs[i].name, n) == 0)
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|| (objs[i].name[n-1] != '/' && strcmp(c->req.uri, objs[i].name) == 0)){
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ok = (*objs[i].f)(c);
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goto found;
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}
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}
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ok = fromwebdir(c);
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found:
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hflush(&c->hout);
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if(c->head.closeit)
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ok = -1;
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hreqcleanup(c);
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if(ok < 0)
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break;
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}
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hreqcleanup(c);
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close(c->hin.fd);
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free(c);
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}
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char*
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hargstr(HConnect *c, char *name, char *def)
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{
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HSPairs *p;
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for(p=c->req.searchpairs; p; p=p->next)
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if(strcmp(p->s, name) == 0)
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return p->t;
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return def;
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}
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vlong
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hargint(HConnect *c, char *name, vlong def)
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{
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char *a;
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if((a = hargstr(c, name, nil)) == nil)
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return def;
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return atoll(a);
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}
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static int
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percent(ulong v, ulong total)
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{
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if(total == 0)
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total = 1;
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if(v < 1000*1000)
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return (v * 100) / total;
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total /= 100;
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if(total == 0)
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total = 1;
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return v / total;
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}
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static int
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preq(HConnect *c)
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{
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if(hparseheaders(c, 0) < 0)
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return -1;
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if(strcmp(c->req.meth, "GET") != 0
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&& strcmp(c->req.meth, "HEAD") != 0)
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return hunallowed(c, "GET, HEAD");
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if(c->head.expectother || c->head.expectcont)
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return hfail(c, HExpectFail, nil);
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return 0;
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}
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int
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hsettype(HConnect *c, char *type)
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{
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Hio *hout;
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int r;
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r = preq(c);
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if(r < 0)
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return r;
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hout = &c->hout;
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if(c->req.vermaj){
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hokheaders(c);
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hprint(hout, "Content-type: %s\r\n", type);
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if(http11(c))
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hprint(hout, "Transfer-Encoding: chunked\r\n");
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hprint(hout, "\r\n");
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}
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if(http11(c))
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hxferenc(hout, 1);
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else
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c->head.closeit = 1;
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return 0;
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}
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int
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hsethtml(HConnect *c)
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{
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return hsettype(c, "text/html; charset=utf-8");
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}
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int
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hsettext(HConnect *c)
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{
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return hsettype(c, "text/plain; charset=utf-8");
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}
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static int
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herror(HConnect *c)
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{
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int n;
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Hio *hout;
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hout = &c->hout;
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n = snprint(c->xferbuf, HBufSize, "<html><head><title>Error</title></head>\n<body><h1>Error</h1>\n<pre>%r</pre>\n</body></html>");
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hprint(hout, "%s %s\r\n", hversion, "400 Bad Request");
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hprint(hout, "Date: %D\r\n", time(nil));
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hprint(hout, "Server: Venti\r\n");
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hprint(hout, "Content-Type: text/html\r\n");
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hprint(hout, "Content-Length: %d\r\n", n);
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if(c->head.closeit)
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hprint(hout, "Connection: close\r\n");
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else if(!http11(c))
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hprint(hout, "Connection: Keep-Alive\r\n");
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hprint(hout, "\r\n");
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if(c->req.meth == nil || strcmp(c->req.meth, "HEAD") != 0)
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hwrite(hout, c->xferbuf, n);
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return hflush(hout);
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}
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int
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hnotfound(HConnect *c)
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{
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int r;
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r = preq(c);
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if(r < 0)
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return r;
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return hfail(c, HNotFound, c->req.uri);
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}
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struct {
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char *ext;
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char *type;
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} exttab[] = {
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".html", "text/html",
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".txt", "text/plain",
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".xml", "text/xml",
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".png", "image/png",
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".gif", "image/gif",
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0
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};
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static int
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fromwebdir(HConnect *c)
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{
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char buf[4096], *p, *ext, *type;
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int i, fd, n, defaulted;
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Dir *d;
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if(webroot == nil || strstr(c->req.uri, ".."))
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return hnotfound(c);
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snprint(buf, sizeof buf-20, "%s/%s", webroot, c->req.uri+1);
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defaulted = 0;
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reopen:
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if((fd = open(buf, OREAD)) < 0)
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return hnotfound(c);
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d = dirfstat(fd);
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if(d == nil){
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close(fd);
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return hnotfound(c);
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}
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if(d->mode&DMDIR){
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if(!defaulted){
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defaulted = 1;
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strcat(buf, "/index.html");
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free(d);
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close(fd);
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goto reopen;
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}
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free(d);
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return hnotfound(c);
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}
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free(d);
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p = buf+strlen(buf);
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type = "application/octet-stream";
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for(i=0; exttab[i].ext; i++){
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ext = exttab[i].ext;
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if(p-strlen(ext) >= buf && strcmp(p-strlen(ext), ext) == 0){
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type = exttab[i].type;
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break;
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}
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}
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if(hsettype(c, type) < 0){
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close(fd);
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return 0;
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}
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while((n = read(fd, buf, sizeof buf)) > 0)
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if(hwrite(&c->hout, buf, n) < 0)
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break;
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close(fd);
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hflush(&c->hout);
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return 0;
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}
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static struct
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{
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char *name;
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int *p;
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} namedints[] =
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{
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"compress", &compressblocks,
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"devnull", &writestodevnull,
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"logging", &ventilogging,
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"stats", &collectstats,
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"icachesleeptime", &icachesleeptime,
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"minicachesleeptime", &minicachesleeptime,
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"arenasumsleeptime", &arenasumsleeptime,
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"l0quantum", &l0quantum,
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"l1quantum", &l1quantum,
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"manualscheduling", &manualscheduling,
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"ignorebloom", &ignorebloom,
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"syncwrites", &syncwrites,
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"icacheprefetch", &icacheprefetch,
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0
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};
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static int
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xset(HConnect *c)
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{
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int i, old;
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char *name, *value;
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if(hsettext(c) < 0)
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return -1;
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if((name = hargstr(c, "name", nil)) == nil || name[0] == 0){
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for(i=0; namedints[i].name; i++)
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hprint(&c->hout, "%s = %d\n", namedints[i].name, *namedints[i].p);
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hflush(&c->hout);
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return 0;
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}
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for(i=0; namedints[i].name; i++)
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if(strcmp(name, namedints[i].name) == 0)
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break;
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if(!namedints[i].name){
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hprint(&c->hout, "%s not found\n", name);
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hflush(&c->hout);
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return 0;
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}
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if((value = hargstr(c, "value", nil)) == nil || value[0] == 0){
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hprint(&c->hout, "%s = %d\n", namedints[i].name, *namedints[i].p);
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hflush(&c->hout);
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return 0;
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}
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old = *namedints[i].p;
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*namedints[i].p = atoll(value);
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hprint(&c->hout, "%s = %d (was %d)\n", name, *namedints[i].p, old);
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hflush(&c->hout);
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return 0;
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}
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static int
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estats(HConnect *c)
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{
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Hio *hout;
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int r;
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r = hsettext(c);
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if(r < 0)
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return r;
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hout = &c->hout;
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/*
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hprint(hout, "lump writes=%,ld\n", stats.lumpwrites);
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hprint(hout, "lump reads=%,ld\n", stats.lumpreads);
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hprint(hout, "lump cache read hits=%,ld\n", stats.lumphit);
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hprint(hout, "lump cache read misses=%,ld\n", stats.lumpmiss);
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hprint(hout, "clump disk writes=%,ld\n", stats.clumpwrites);
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hprint(hout, "clump disk bytes written=%,lld\n", stats.clumpbwrites);
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hprint(hout, "clump disk bytes compressed=%,lld\n", stats.clumpbcomp);
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hprint(hout, "clump disk reads=%,ld\n", stats.clumpreads);
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hprint(hout, "clump disk bytes read=%,lld\n", stats.clumpbreads);
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hprint(hout, "clump disk bytes uncompressed=%,lld\n", stats.clumpbuncomp);
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hprint(hout, "clump directory disk writes=%,ld\n", stats.ciwrites);
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hprint(hout, "clump directory disk reads=%,ld\n", stats.cireads);
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hprint(hout, "index disk writes=%,ld\n", stats.indexwrites);
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hprint(hout, "index disk reads=%,ld\n", stats.indexreads);
|
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hprint(hout, "index disk bloom filter hits=%,ld %d%% falsemisses=%,ld %d%%\n",
|
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stats.indexbloomhits,
|
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percent(stats.indexbloomhits, stats.indexreads),
|
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stats.indexbloomfalsemisses,
|
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percent(stats.indexbloomfalsemisses, stats.indexreads));
|
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hprint(hout, "bloom filter bits=%,ld of %,ld %d%%\n",
|
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stats.bloomones, stats.bloombits, percent(stats.bloomones, stats.bloombits));
|
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hprint(hout, "index disk reads for modify=%,ld\n", stats.indexwreads);
|
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hprint(hout, "index disk reads for allocation=%,ld\n", stats.indexareads);
|
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hprint(hout, "index block splits=%,ld\n", stats.indexsplits);
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|
|
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hprint(hout, "index cache lookups=%,ld\n", stats.iclookups);
|
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hprint(hout, "index cache hits=%,ld %d%%\n", stats.ichits,
|
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percent(stats.ichits, stats.iclookups));
|
|
hprint(hout, "index cache fills=%,ld %d%%\n", stats.icfills,
|
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percent(stats.icfills, stats.iclookups));
|
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hprint(hout, "index cache inserts=%,ld\n", stats.icinserts);
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hprint(hout, "disk cache hits=%,ld\n", stats.pchit);
|
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hprint(hout, "disk cache misses=%,ld\n", stats.pcmiss);
|
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hprint(hout, "disk cache reads=%,ld\n", stats.pcreads);
|
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hprint(hout, "disk cache bytes read=%,lld\n", stats.pcbreads);
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|
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hprint(hout, "disk cache writes=%,ld\n", stats.dirtydblocks);
|
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hprint(hout, "disk cache writes absorbed=%,ld %d%%\n", stats.absorbedwrites,
|
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percent(stats.absorbedwrites, stats.dirtydblocks));
|
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|
|
hprint(hout, "disk cache flushes=%,ld\n", stats.dcacheflushes);
|
|
hprint(hout, "disk cache flush writes=%,ld (%,ld per flush)\n",
|
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stats.dcacheflushwrites,
|
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stats.dcacheflushwrites/(stats.dcacheflushes ? stats.dcacheflushes : 1));
|
|
|
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hprint(hout, "disk writes=%,ld\n", stats.diskwrites);
|
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hprint(hout, "disk bytes written=%,lld\n", stats.diskbwrites);
|
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hprint(hout, "disk reads=%,ld\n", stats.diskreads);
|
|
hprint(hout, "disk bytes read=%,lld\n", stats.diskbreads);
|
|
*/
|
|
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sindex(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
Index *ix;
|
|
Arena *arena;
|
|
vlong clumps, cclumps, uncsize, used, size;
|
|
int i, r, active;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
ix = mainindex;
|
|
|
|
hprint(hout, "index=%s\n", ix->name);
|
|
|
|
active = 0;
|
|
clumps = 0;
|
|
cclumps = 0;
|
|
uncsize = 0;
|
|
used = 0;
|
|
size = 0;
|
|
for(i = 0; i < ix->narenas; i++){
|
|
arena = ix->arenas[i];
|
|
if(arena != nil && arena->memstats.clumps != 0){
|
|
active++;
|
|
clumps += arena->memstats.clumps;
|
|
cclumps += arena->memstats.cclumps;
|
|
uncsize += arena->memstats.uncsize;
|
|
used += arena->memstats.used;
|
|
}
|
|
size += arena->size;
|
|
}
|
|
hprint(hout, "total arenas=%,d active=%,d\n", ix->narenas, active);
|
|
hprint(hout, "total space=%,lld used=%,lld\n", size, used + clumps * ClumpInfoSize);
|
|
hprint(hout, "clumps=%,lld compressed clumps=%,lld data=%,lld compressed data=%,lld\n",
|
|
clumps, cclumps, uncsize, used - clumps * ClumpSize);
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
darena(Hio *hout, Arena *arena)
|
|
{
|
|
hprint(hout, "arena='%s' on %s at [%lld,%lld)\n\tversion=%d created=%d modified=%d",
|
|
arena->name, arena->part->name, arena->base, arena->base + arena->size + 2 * arena->blocksize,
|
|
arena->version, arena->ctime, arena->wtime);
|
|
if(arena->memstats.sealed)
|
|
hprint(hout, " mem=sealed");
|
|
if(arena->diskstats.sealed)
|
|
hprint(hout, " disk=sealed");
|
|
if(arena->inqueue)
|
|
hprint(hout, " inqueue");
|
|
hprint(hout, "\n");
|
|
if(scorecmp(zeroscore, arena->score) != 0)
|
|
hprint(hout, "\tscore=%V\n", arena->score);
|
|
|
|
hprint(hout, "\twritten: clumps=%d compressed clumps=%d data=%,lld compressed data=%,lld storage=%,lld\n",
|
|
arena->memstats.clumps, arena->memstats.cclumps, arena->memstats.uncsize,
|
|
arena->memstats.used - arena->memstats.clumps * ClumpSize,
|
|
arena->memstats.used + arena->memstats.clumps * ClumpInfoSize);
|
|
hprint(hout, "\tindexed: clumps=%d compressed clumps=%d data=%,lld compressed data=%,lld storage=%,lld\n",
|
|
arena->diskstats.clumps, arena->diskstats.cclumps, arena->diskstats.uncsize,
|
|
arena->diskstats.used - arena->diskstats.clumps * ClumpSize,
|
|
arena->diskstats.used + arena->diskstats.clumps * ClumpInfoSize);
|
|
}
|
|
|
|
static int
|
|
hempty(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
emptylumpcache();
|
|
emptydcache();
|
|
emptyicache();
|
|
hprint(hout, "emptied all caches\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
hlcacheempty(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
emptylumpcache();
|
|
hprint(hout, "emptied lumpcache\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
hicacheempty(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
emptyicache();
|
|
hprint(hout, "emptied icache\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
hdcacheempty(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
emptydcache();
|
|
hprint(hout, "emptied dcache\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
static int
|
|
hicachekick(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
kickicache();
|
|
hprint(hout, "kicked icache\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
hdcachekick(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
kickdcache();
|
|
hprint(hout, "kicked dcache\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
static int
|
|
hicacheflush(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
flushicache();
|
|
hprint(hout, "flushed icache\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
hdcacheflush(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
int r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
flushdcache();
|
|
hprint(hout, "flushed dcache\n");
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
dindex(HConnect *c)
|
|
{
|
|
Hio *hout;
|
|
Index *ix;
|
|
int i, r;
|
|
|
|
r = hsettext(c);
|
|
if(r < 0)
|
|
return r;
|
|
hout = &c->hout;
|
|
|
|
|
|
ix = mainindex;
|
|
hprint(hout, "index=%s version=%d blocksize=%d tabsize=%d\n",
|
|
ix->name, ix->version, ix->blocksize, ix->tabsize);
|
|
hprint(hout, "\tbuckets=%d div=%d\n", ix->buckets, ix->div);
|
|
for(i = 0; i < ix->nsects; i++)
|
|
hprint(hout, "\tsect=%s for buckets [%lld,%lld) buckmax=%d\n", ix->smap[i].name, ix->smap[i].start, ix->smap[i].stop, ix->sects[i]->buckmax);
|
|
for(i = 0; i < ix->narenas; i++){
|
|
if(ix->arenas[i] != nil && ix->arenas[i]->memstats.clumps != 0){
|
|
hprint(hout, "arena=%s at index [%lld,%lld)\n\t", ix->amap[i].name, ix->amap[i].start, ix->amap[i].stop);
|
|
darena(hout, ix->arenas[i]);
|
|
}
|
|
}
|
|
hflush(hout);
|
|
return 0;
|
|
}
|
|
|
|
typedef struct Arg Arg;
|
|
struct Arg
|
|
{
|
|
int index;
|
|
int index2;
|
|
};
|
|
|
|
static long
|
|
rawgraph(Stats *s, Stats *t, void *va)
|
|
{
|
|
Arg *a;
|
|
|
|
USED(s);
|
|
a = va;
|
|
return t->n[a->index];
|
|
}
|
|
|
|
static long
|
|
diffgraph(Stats *s, Stats *t, void *va)
|
|
{
|
|
Arg *a;
|
|
|
|
a = va;
|
|
return t->n[a->index] - s->n[a->index];
|
|
}
|
|
|
|
static long
|
|
pctgraph(Stats *s, Stats *t, void *va)
|
|
{
|
|
Arg *a;
|
|
|
|
USED(s);
|
|
a = va;
|
|
return percent(t->n[a->index], t->n[a->index2]);
|
|
}
|
|
|
|
static long
|
|
pctdiffgraph(Stats *s, Stats *t, void *va)
|
|
{
|
|
Arg *a;
|
|
|
|
a = va;
|
|
return percent(t->n[a->index]-s->n[a->index], t->n[a->index2]-s->n[a->index2]);
|
|
}
|
|
|
|
static long
|
|
xdiv(long a, long b)
|
|
{
|
|
if(b == 0)
|
|
b++;
|
|
return a/b;
|
|
}
|
|
|
|
static long
|
|
divdiffgraph(Stats *s, Stats *t, void *va)
|
|
{
|
|
Arg *a;
|
|
|
|
a = va;
|
|
return xdiv(t->n[a->index] - s->n[a->index], t->n[a->index2] - s->n[a->index2]);
|
|
}
|
|
|
|
static long
|
|
netbw(Stats *s)
|
|
{
|
|
ulong *n;
|
|
|
|
n = s->n;
|
|
return n[StatRpcReadBytes]+n[StatRpcWriteBytes]; /* not exactly right */
|
|
}
|
|
|
|
static long
|
|
diskbw(Stats *s)
|
|
{
|
|
ulong *n;
|
|
|
|
n = s->n;
|
|
return n[StatApartReadBytes]+n[StatApartWriteBytes]
|
|
+ n[StatIsectReadBytes]+n[StatIsectWriteBytes]
|
|
+ n[StatSumReadBytes];
|
|
}
|
|
|
|
static long
|
|
iobw(Stats *s)
|
|
{
|
|
return netbw(s)+diskbw(s);
|
|
}
|
|
|
|
static long
|
|
diskgraph(Stats *s, Stats *t, void *va)
|
|
{
|
|
USED(va);
|
|
return diskbw(t)-diskbw(s);
|
|
}
|
|
|
|
static long
|
|
netgraph(Stats *s, Stats *t, void *va)
|
|
{
|
|
USED(va);
|
|
return netbw(t)-netbw(s);
|
|
}
|
|
|
|
static long
|
|
iograph(Stats *s, Stats *t, void *va)
|
|
{
|
|
USED(va);
|
|
return iobw(t)-iobw(s);
|
|
}
|
|
|
|
|
|
static char* graphname[] =
|
|
{
|
|
"rpctotal",
|
|
"rpcread",
|
|
"rpcreadok",
|
|
"rpcreadfail",
|
|
"rpcreadbyte",
|
|
"rpcreadtime",
|
|
"rpcreadcached",
|
|
"rpcreadcachedtime",
|
|
"rpcreaduncached",
|
|
"rpcreaduncachedtime",
|
|
"rpcwrite",
|
|
"rpcwritenew",
|
|
"rpcwriteold",
|
|
"rpcwritefail",
|
|
"rpcwritebyte",
|
|
"rpcwritetime",
|
|
"rpcwritenewtime",
|
|
"rpcwriteoldtime",
|
|
|
|
"lcachehit",
|
|
"lcachemiss",
|
|
"lcachelookup",
|
|
"lcachewrite",
|
|
"lcachesize",
|
|
"lcachestall",
|
|
"lcachelookuptime",
|
|
|
|
"dcachehit",
|
|
"dcachemiss",
|
|
"dcachelookup",
|
|
"dcacheread",
|
|
"dcachewrite",
|
|
"dcachedirty",
|
|
"dcachesize",
|
|
"dcacheflush",
|
|
"dcachestall",
|
|
"dcachelookuptime",
|
|
|
|
"dblockstall",
|
|
"lumpstall",
|
|
|
|
"icachehit",
|
|
"icachemiss",
|
|
"icacheread",
|
|
"icachewrite",
|
|
"icachefill",
|
|
"icacheprefetch",
|
|
"icachedirty",
|
|
"icachesize",
|
|
"icacheflush",
|
|
"icachestall",
|
|
"icachelookuptime",
|
|
"icachelookup",
|
|
"scachehit",
|
|
"scacheprefetch",
|
|
|
|
"bloomhit",
|
|
"bloommiss",
|
|
"bloomfalsemiss",
|
|
"bloomlookup",
|
|
"bloomones",
|
|
"bloombits",
|
|
|
|
"apartread",
|
|
"apartreadbyte",
|
|
"apartwrite",
|
|
"apartwritebyte",
|
|
|
|
"isectread",
|
|
"isectreadbyte",
|
|
"isectwrite",
|
|
"isectwritebyte",
|
|
|
|
"sumread",
|
|
"sumreadbyte",
|
|
|
|
"cigload",
|
|
"cigloadtime",
|
|
};
|
|
|
|
static int
|
|
findname(char *s)
|
|
{
|
|
int i;
|
|
|
|
for(i=0; i<nelem(graphname); i++)
|
|
if(strcmp(graphname[i], s) == 0)
|
|
return i;
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
dotextbin(Hio *io, Graph *g)
|
|
{
|
|
int i, nbin;
|
|
Statbin *b, bin[2000]; /* 32 kB, but whack is worse */
|
|
|
|
needstack(8192); /* double check that bin didn't kill us */
|
|
nbin = 100;
|
|
binstats(g->fn, g->arg, g->t0, g->t1, bin, nbin);
|
|
|
|
hprint(io, "stats\n\n");
|
|
for(i=0; i<nbin; i++){
|
|
b = &bin[i];
|
|
hprint(io, "%d: nsamp=%d min=%d max=%d avg=%d\n",
|
|
i, b->nsamp, b->min, b->max, b->avg);
|
|
}
|
|
}
|
|
|
|
static int
|
|
xgraph(HConnect *c)
|
|
{
|
|
char *name;
|
|
Hio *hout;
|
|
Memimage *m;
|
|
int dotext;
|
|
Graph g;
|
|
Arg arg;
|
|
char *graph, *a;
|
|
|
|
name = hargstr(c, "arg", "");
|
|
if((arg.index = findname(name)) == -1 && strcmp(name, "*") != 0){
|
|
werrstr("unknown name %s", name);
|
|
goto error;
|
|
}
|
|
a = hargstr(c, "arg2", "");
|
|
if(a[0] && (arg.index2 = findname(a)) == -1){
|
|
werrstr("unknown name %s", a);
|
|
goto error;
|
|
}
|
|
|
|
g.arg = &arg;
|
|
g.t0 = hargint(c, "t0", -120);
|
|
g.t1 = hargint(c, "t1", 0);
|
|
g.min = hargint(c, "min", -1);
|
|
g.max = hargint(c, "max", -1);
|
|
g.wid = hargint(c, "wid", -1);
|
|
g.ht = hargint(c, "ht", -1);
|
|
dotext = hargstr(c, "text", "")[0] != 0;
|
|
g.fill = hargint(c, "fill", -1);
|
|
|
|
graph = hargstr(c, "graph", "raw");
|
|
if(strcmp(graph, "raw") == 0)
|
|
g.fn = rawgraph;
|
|
else if(strcmp(graph, "diskbw") == 0)
|
|
g.fn = diskgraph;
|
|
else if(strcmp(graph, "iobw") == 0)
|
|
g.fn = iograph;
|
|
else if(strcmp(graph, "netbw") == 0)
|
|
g.fn = netgraph;
|
|
else if(strcmp(graph, "diff") == 0)
|
|
g.fn = diffgraph;
|
|
else if(strcmp(graph, "pct") == 0)
|
|
g.fn = pctgraph;
|
|
else if(strcmp(graph, "pctdiff") == 0)
|
|
g.fn = pctdiffgraph;
|
|
else if(strcmp(graph, "divdiff") == 0)
|
|
g.fn = divdiffgraph;
|
|
else{
|
|
werrstr("unknown graph %s", graph);
|
|
goto error;
|
|
}
|
|
|
|
if(dotext){
|
|
hsettype(c, "text/plain");
|
|
dotextbin(&c->hout, &g);
|
|
hflush(&c->hout);
|
|
return 0;
|
|
}
|
|
|
|
m = statgraph(&g);
|
|
if(m == nil)
|
|
goto error;
|
|
|
|
if(hsettype(c, "image/png") < 0)
|
|
return -1;
|
|
hout = &c->hout;
|
|
writepng(hout, m);
|
|
qlock(&memdrawlock);
|
|
freememimage(m);
|
|
qunlock(&memdrawlock);
|
|
hflush(hout);
|
|
return 0;
|
|
|
|
error:
|
|
return herror(c);
|
|
}
|
|
|
|
static int
|
|
xloglist(HConnect *c)
|
|
{
|
|
if(hsettype(c, "text/html") < 0)
|
|
return -1;
|
|
vtloghlist(&c->hout);
|
|
hflush(&c->hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
xlog(HConnect *c)
|
|
{
|
|
char *name;
|
|
VtLog *l;
|
|
|
|
name = hargstr(c, "log", "");
|
|
if(!name[0])
|
|
return xloglist(c);
|
|
l = vtlogopen(name, 0);
|
|
if(l == nil)
|
|
return hnotfound(c);
|
|
if(hsettype(c, "text/html") < 0){
|
|
vtlogclose(l);
|
|
return -1;
|
|
}
|
|
vtloghdump(&c->hout, l);
|
|
vtlogclose(l);
|
|
hflush(&c->hout);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
xindex(HConnect *c)
|
|
{
|
|
if(hsettype(c, "text/xml") < 0)
|
|
return -1;
|
|
xmlindex(&c->hout, mainindex, "index", 0);
|
|
hflush(&c->hout);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
xmlindent(Hio *hout, int indent)
|
|
{
|
|
int i;
|
|
|
|
for(i = 0; i < indent; i++)
|
|
hputc(hout, '\t');
|
|
}
|
|
|
|
void
|
|
xmlaname(Hio *hout, char *v, char *tag)
|
|
{
|
|
hprint(hout, " %s=\"%s\"", tag, v);
|
|
}
|
|
|
|
void
|
|
xmlscore(Hio *hout, u8int *v, char *tag)
|
|
{
|
|
if(scorecmp(zeroscore, v) == 0)
|
|
return;
|
|
hprint(hout, " %s=\"%V\"", tag, v);
|
|
}
|
|
|
|
void
|
|
xmlsealed(Hio *hout, int v, char *tag)
|
|
{
|
|
if(!v)
|
|
return;
|
|
hprint(hout, " %s=\"yes\"", tag);
|
|
}
|
|
|
|
void
|
|
xmlu32int(Hio *hout, u32int v, char *tag)
|
|
{
|
|
hprint(hout, " %s=\"%ud\"", tag, v);
|
|
}
|
|
|
|
void
|
|
xmlu64int(Hio *hout, u64int v, char *tag)
|
|
{
|
|
hprint(hout, " %s=\"%llud\"", tag, v);
|
|
}
|
|
|
|
void
|
|
vtloghdump(Hio *h, VtLog *l)
|
|
{
|
|
int i;
|
|
VtLogChunk *c;
|
|
char *name;
|
|
|
|
name = l ? l->name : "<nil>";
|
|
|
|
hprint(h, "<html><head>\n");
|
|
hprint(h, "<title>Venti Server Log: %s</title>\n", name);
|
|
hprint(h, "</head><body>\n");
|
|
hprint(h, "<b>Venti Server Log: %s</b>\n<p>\n", name);
|
|
|
|
if(l){
|
|
c = l->w;
|
|
for(i=0; i<l->nchunk; i++){
|
|
if(++c == l->chunk+l->nchunk)
|
|
c = l->chunk;
|
|
hwrite(h, c->p, c->wp-c->p);
|
|
}
|
|
}
|
|
hprint(h, "</body></html>\n");
|
|
}
|
|
|
|
static int
|
|
strpcmp(const void *va, const void *vb)
|
|
{
|
|
return strcmp(*(char**)va, *(char**)vb);
|
|
}
|
|
|
|
void
|
|
vtloghlist(Hio *h)
|
|
{
|
|
char **p;
|
|
int i, n;
|
|
|
|
hprint(h, "<html><head>\n");
|
|
hprint(h, "<title>Venti Server Logs</title>\n");
|
|
hprint(h, "</head><body>\n");
|
|
hprint(h, "<b>Venti Server Logs</b>\n<p>\n");
|
|
|
|
p = vtlognames(&n);
|
|
qsort(p, n, sizeof(p[0]), strpcmp);
|
|
for(i=0; i<n; i++)
|
|
hprint(h, "<a href=\"/log?log=%s\">%s</a><br>\n", p[i], p[i]);
|
|
vtfree(p);
|
|
hprint(h, "</body></html>\n");
|
|
}
|