1 18824b58 2008-08-03 rsc #include "a.h"
4 18824b58 2008-08-03 rsc lbkick(Logbuf *lb)
10 18824b58 2008-08-03 rsc while(lb->wait && lb->rp != lb->wp){
11 18824b58 2008-08-03 rsc r = lb->wait;
12 18824b58 2008-08-03 rsc lb->wait = r->aux;
13 18824b58 2008-08-03 rsc if(lb->wait == nil)
14 18824b58 2008-08-03 rsc lb->waitlast = &lb->wait;
15 18824b58 2008-08-03 rsc r->aux = nil;
16 18824b58 2008-08-03 rsc if(r->ifcall.count < 5){
17 18824b58 2008-08-03 rsc respond(r, "log read request count too short");
20 18824b58 2008-08-03 rsc s = lb->msg[lb->rp];
21 18824b58 2008-08-03 rsc lb->msg[lb->rp] = nil;
22 18824b58 2008-08-03 rsc if(++lb->rp == nelem(lb->msg))
24 18824b58 2008-08-03 rsc n = r->ifcall.count;
25 18824b58 2008-08-03 rsc if(n < strlen(s)+1+1){
26 18824b58 2008-08-03 rsc memmove(r->ofcall.data, s, n-5);
28 18824b58 2008-08-03 rsc r->ofcall.data[n] = '\0';
29 18824b58 2008-08-03 rsc /* look for first byte of UTF-8 sequence by skipping continuation bytes */
30 18824b58 2008-08-03 rsc while(n>0 && (r->ofcall.data[--n]&0xC0)==0x80)
32 18824b58 2008-08-03 rsc strcpy(r->ofcall.data+n, "...\n");
34 18824b58 2008-08-03 rsc strcpy(r->ofcall.data, s);
35 18824b58 2008-08-03 rsc strcat(r->ofcall.data, "\n");
37 18824b58 2008-08-03 rsc r->ofcall.count = strlen(r->ofcall.data);
39 18824b58 2008-08-03 rsc respond(r, nil);
44 18824b58 2008-08-03 rsc lbread(Logbuf *lb, Req *r)
46 18824b58 2008-08-03 rsc if(lb->waitlast == nil)
47 18824b58 2008-08-03 rsc lb->waitlast = &lb->wait;
48 18824b58 2008-08-03 rsc *lb->waitlast = r;
49 18824b58 2008-08-03 rsc lb->waitlast = (Req**)(void*)&r->aux;
50 18824b58 2008-08-03 rsc r->aux = nil;
55 18824b58 2008-08-03 rsc lbflush(Logbuf *lb, Req *r)
59 18824b58 2008-08-03 rsc for(l=&lb->wait; *l; l=(Req**)(void*)&(*l)->aux){
62 18824b58 2008-08-03 rsc r->aux = nil;
63 18824b58 2008-08-03 rsc if(*l == nil)
64 18824b58 2008-08-03 rsc lb->waitlast = l;
65 18824b58 2008-08-03 rsc respond(r, "interrupted");
72 18824b58 2008-08-03 rsc lbappend(Logbuf *lb, char *fmt, ...)
76 18824b58 2008-08-03 rsc va_start(arg, fmt);
77 18824b58 2008-08-03 rsc lbvappend(lb, fmt, arg);
82 18824b58 2008-08-03 rsc lbvappend(Logbuf *lb, char *fmt, va_list arg)
86 18824b58 2008-08-03 rsc s = vsmprint(fmt, arg);
88 18824b58 2008-08-03 rsc sysfatal("out of memory");
89 18824b58 2008-08-03 rsc if(lb->msg[lb->wp])
90 18824b58 2008-08-03 rsc free(lb->msg[lb->wp]);
91 18824b58 2008-08-03 rsc lb->msg[lb->wp] = s;
92 18824b58 2008-08-03 rsc if(++lb->wp == nelem(lb->msg))
97 18824b58 2008-08-03 rsc Logbuf rpclogbuf;
100 18824b58 2008-08-03 rsc rpclogread(Req *r)
102 18824b58 2008-08-03 rsc lbread(&rpclogbuf, r);
106 18824b58 2008-08-03 rsc rpclogflush(Req *r)
108 18824b58 2008-08-03 rsc lbflush(&rpclogbuf, r);
112 18824b58 2008-08-03 rsc rpclog(char *fmt, ...)
114 18824b58 2008-08-03 rsc va_list arg;
116 18824b58 2008-08-03 rsc va_start(arg, fmt);
117 18824b58 2008-08-03 rsc lbvappend(&rpclogbuf, fmt, arg);
118 18824b58 2008-08-03 rsc va_end(arg);