void App::RenderOwner()
{
static char s_message[1024];
static bool s_dealtWith = false;
if( !s_dealtWith )
{
// First try to read data/world-encode.dat
// If it is present open it, encode it into world.dat, then delete it
TextFileReader *encode = new TextFileReader( "data/world-encode.txt" );
if( encode->IsOpen() )
{
encode->ReadLine();
char *encodeMe = encode->GetRestOfLine();
TextFileWriter encodeTo( "data/world.dat", true );
encodeTo.printf( "%s\n", encodeMe );
}
delete encode;
DeleteThisFile( "data/world-encode.txt" );
// Now open the encoded world.dat file
// Decrypt the contents for printing onto the screen
TextFileReader reader( "data/world.dat" );
AppAssert( reader.IsOpen() );
reader.ReadLine();
char *line = reader.GetRestOfLine();
sprintf( s_message, "%s", line );
char *nextLine = strchr( s_message, '\n' );
if( nextLine ) *nextLine = '\x0';
//strupr( s_message );
s_dealtWith = true;
}
g_renderer->Text( 10, g_windowManager->WindowH() - 20, Colour(255,50,50,255), 20, s_message );
}
//
// case 0: depart-level
// dep-id => [pid,...] => [{pid,*,*}, ...]
// host=[auto]
// case 1: pid-level
// pid, *, *
// host=[auto]
// case 2: mid-level
// pid, mid, *
// host=[auto]
// case 3: host-level
// pid, mid, *
// host=ip
// case 4: expand-to-individual-hosts
// pid,mid,iid as in [0-2] (no case #3)
// host=[auto]
//
static void handleRequest(QueryParameters& parameters)
{
// step 1: context
const char *strContext = parameters.getString("context", "resource");
int context;
if (!strcmp(strContext, "business")) {
context = CT_BUSINESS;
}
else if (!strcmp(strContext, "resource")) {
context = CT_RESOURCE;
}
else {
outputError(501, "Invalid context parameter");
return;
}
// step 2: group - how to combine stats together
int totalView = 0;
const char *strGroup = parameters.getString("group", "total");
if (!strcmp(strGroup, "total")) {
totalView = 1;
}
else if (!strcmp(strGroup, "list")) {
totalView = 0;
}
else {
outputError(501, "invalid group parameter, which should be total|list.");
return;
}
// step 3: time period, span, align
int64_t startDtime, endDtime;
int spanUnit, spanCount;
if (parseDtimeSpan(parameters, startDtime, endDtime, spanUnit, spanCount) < 0)
return;
// move ahead one span for some calculation need its previous stats
startDtime -= spanLength(spanUnit, spanCount);
int mergeCount = (endDtime - startDtime) / spanLength(spanUnit, spanCount);
// char buf1[128], buf2[128];
// APPLOG_DEBUG("parsed start=%s, end=%s, mergeCount=%d",
// formatDtime(buf1, sizeof buf1, startDtime),
// formatDtime(buf2, sizeof buf2, endDtime), mergeCount);
StatMerger merger(NULL, NULL, NULL, NULL, spanUnit, spanCount, mergeCount);
merger.periodStartTime = startDtime;
// step 4: ids
// TODO: group by department...
// uint16_t did = parameters.getInt("did", 0);
uint16_t pid = parameters.getInt("pid", 0);
uint16_t mid = parameters.getInt("mid", 0);
if (pid == 0) {
outputError(501, "pid can not be 0(ANY) now");
return;
}
int cpuTotal = 0, cpuCores = 0; std::tr1::unordered_set<int> cpuIds;
int memory = 0;
int loadAvg = 0;
int netAll = 0; std::tr1::unordered_set<int> netIds;
int diskAll = 0; std::tr1::unordered_set<int> diskIds;
// step 4.1: parse iids
const char *strIid = parameters.getString("iid", "all");
if (strcmp(strIid, "all") == 0) {
cpuTotal = 1; // no cpu-cores
memory = 1;
loadAvg = 1;
netAll = 1;
diskAll = 1;
}
else {
char ss[1024];
strncpy(ss, strIid, sizeof ss); ss[sizeof(ss) - 1] = 0;
char *endptr, *nptr = strtok_r(ss, MULTIVAL_SEPARATORS, &endptr);
while (nptr != NULL) {
if (!strcmp(nptr, "cpu-total")) cpuTotal = 1;
else if (!strcmp(nptr, "cpu-cores")) cpuCores = 1;
else if (!strncmp(nptr, "cpu-", 4)) cpuIds.insert(strtol(nptr + 4, NULL, 0));
else if (!strcmp(nptr, "mem")) memory = 1;
else if (!strcmp(nptr, "load-avg")) loadAvg = 1;
else if (!strcmp(nptr, "net-all")) netAll = 1;
// TODO: mapping net-name to its id
else if (!strncmp(nptr, "net-", 4)) netIds.insert(strtol(nptr + 4, NULL, 0));
else if (!strcmp(nptr, "disk-all")) diskAll = 1;
// TODO: mapping disk-name to its id
else if (!strncmp(nptr, "disk-", 5)) diskIds.insert(strtol(nptr + 5, NULL, 0));
else {
outputError(501, "invalid iid parameter");
return;
}
nptr = strtok_r(NULL, MULTIVAL_SEPARATORS, &endptr);
}
}
// step 4.2: get all possible iids first
local_key_set_t ids;
host_set_t hosts;
// step 4.3: get hosts and mapping iids with hosts
const char *strHost = parameters.getString("host", "auto");
if (strcmp(strHost, "auto")) {
// individual host(s)
char ss[1024];
strncpy(ss, strHost, sizeof ss); ss[sizeof(ss) - 1] = 0;
char *endptr, *nptr = strtok_r(ss, MULTIVAL_SEPARATORS, &endptr);
while (nptr != NULL) {
stat_ip_t hip;
if (inet_pton(AF_INET, nptr, &hip.ip.ip4) == 1) {
hip.ver = 4;
}
else if (inet_pton(AF_INET6, nptr, &hip.ip.ip6[0]) == 1) {
hip.ver = 6;
}
else {
outputError(501, "invalid host parameter");
return;
}
hosts.insert(hip);
nptr = strtok_r(NULL, MULTIVAL_SEPARATORS, &endptr);
}
}
unsigned char buf[8192], rspBuf[8192];
Memorybuffer msg(buf, sizeof buf, false);
MemoryBuffer rsp(rspBuf, sizeof rspBuf, false);
struct proto_h16_head *h = (struct proto_h16_head *)msg.data();
memset(h, sizeof(*h), 0);
msg.setWptr(sizeof(*h));
h->cmd = CMD_STAT_GET_SYSTEM_STATS_REQ;
h->syn = nextSyn++;
h->ack = 0;
h->ver = 1;
msg.writeUint8(context);
msg.writeUint8(totalView);
msg.writeInt64(startDtime);
msg.writeInt64(endDtime);
msg.writeUint8(spanUnit);
msg.writeUint8(spanCount);
msg.writeUint16(pid);
msg.writeUint16(mid);
msg.writeUint16(hosts.size());
for (hosts::iterator iter = hosts.begin(); iter != hosts.end(); ++iter) {
if (encodeTo(msg, *iter) < 0)
break;
}
beyondy::TimedoutCountdown timer(10*1000);
ClientConnection client(storageAddress, 10*1000, 3);
if (client.request(&msg, &rsp) < 0) {
APPLOG_ERROR("request to %s failed: %m", storageAddress);
return -1;
}
struct proto_h16_res *h2 = (struct proto_h16_res *)rsp.data();
rsp.setRptr(sizeof(*h2));
if (combiner.parseFrom(&rsp) < 0) {
APPLOG_ERROR("parse combiner from rsp-msg failed");
return -1;
}
// further merge
StatCombiner combiner(spanUnit, spanCount, startDtime, mergeCount);
int gtype = combiner.groupType();
// output
printf("Status: 200 OK\r\n");
printf("Content-Type: application/json\r\n");
printf("\r\n");
int64_t spanInterval = spanLength(spanUnit, spanCount);
int64_t ts = startDtime + spanInterval;
char buf[128];
printf("{\"start\":\"%s\"", formatDtime(buf, sizeof buf, ts));
printf(",\"end\":\"%s\"", formatDtime(buf, sizeof buf, endDtime));
printf(",\"span\":\"%s\"", formatSpan(buf, sizeof buf, spanUnit, spanCount));
printf(",\"stats\":[");
for (int i = 1; i < mergeCount; ++i) {
printf("%s{\"dtime\":\"%s\"", i == 1 ? "" : ",", formatDtime(buf, sizeof buf, ts));
printf(",\"data\":[");
bool first = true;
if (!cpuIds.empty()) {
outputCpuCombinedGauges(gtype, combiner.mergedGauges[i-1], combiner.mergedGauges[i], first, cpuIds);
}
if (memory) {
outputMemCombinedGauges(gtype, combiner.mergedGauges[i-1], combiner.mergedGauges[i], first);
}
if (loadAvg) {
outputLoadavgCombinedGauges(gtype, combiner.mergedGauges[i-1], combiner.mergedGauges[i], first);
}
if (!netIds.empty()) {
outputNetCombinedGauges(gtype, combiner.mergedGauges[i-1], combiner.mergedGauges[i], first, netIds);
}
if (!diskIds.empty()) {
outputDiskCombinedGauges(gtype, combiner.mergedGauges[i-1], combiner.mergedGauges[i], first, diskIds);
}
printf("]}");
ts += spanInterval;
}
printf("]}");
return;
}