RetroZilla/netwerk/test/TestPerf.cpp

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2015-10-21 05:03:22 +02:00
#include "TestCommon.h"
#include <stdio.h>
#include "nsCRT.h" /* should be "plstr.h"? */
#include "nsNetUtil.h"
#include "nsIEventQueueService.h"
#include "nsIServiceManager.h"
#include "nsIComponentRegistrar.h"
#include "nsISupportsArray.h"
static nsIIOService *gIOService = nsnull;
//-----------------------------------------------------------------------------
static PRBool
load_sync_1(nsISupports *element, void *data)
{
nsCOMPtr<nsIInputStream> stream;
nsCOMPtr<nsIURI> uri( do_QueryInterface(element) );
nsCAutoString spec;
nsresult rv;
rv = NS_OpenURI(getter_AddRefs(stream), uri, gIOService);
if (NS_FAILED(rv)) {
uri->GetAsciiSpec(spec);
fprintf(stderr, "*** failed opening %s [rv=%x]\n", spec.get(), rv);
return PR_TRUE;
}
char buf[4096];
PRUint32 bytesRead;
while (1) {
rv = stream->Read(buf, sizeof(buf), &bytesRead);
if (NS_FAILED(rv) || bytesRead == 0) {
if (NS_FAILED(rv)) {
uri->GetAsciiSpec(spec);
fprintf(stderr, "*** failed reading %s [rv=%x]\n", spec.get(), rv);
}
break;
}
}
return PR_TRUE;
}
static nsresult
load_sync(nsISupportsArray *urls)
{
urls->EnumerateForwards(load_sync_1, nsnull);
return NS_OK;
}
//-----------------------------------------------------------------------------
static int gRequestCount = 0;
static nsIEventQueue *gEventQ = 0;
class MyListener : public nsIStreamListener
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
MyListener() { }
virtual ~MyListener() {}
};
NS_IMPL_ISUPPORTS2(MyListener, nsIStreamListener, nsIRequestObserver)
NS_IMETHODIMP
MyListener::OnStartRequest(nsIRequest *req, nsISupports *ctx)
{
return NS_OK;
}
NS_IMETHODIMP
MyListener::OnDataAvailable(nsIRequest *req, nsISupports *ctx,
nsIInputStream *stream,
PRUint32 offset, PRUint32 count)
{
nsresult rv;
char buf[4096];
PRUint32 n, bytesRead;
while (count) {
n = PR_MIN(count, sizeof(buf));
rv = stream->Read(buf, n, &bytesRead);
if (NS_FAILED(rv))
break;
count -= bytesRead;
if (bytesRead == 0)
break;
}
return NS_OK;
}
static void *PR_CALLBACK
ShutdownEvent_Handler(PLEvent *ev)
{
return nsnull;
}
static void PR_CALLBACK
ShutdownEvent_Cleanup(PLEvent *ev)
{
delete ev;
}
NS_IMETHODIMP
MyListener::OnStopRequest(nsIRequest *req, nsISupports *ctx, nsresult status)
{
if (NS_FAILED(status)) {
nsCAutoString spec;
req->GetName(spec);
fprintf(stderr, "*** failed loading %s [reason=%x]\n", spec.get(), status);
}
if (--gRequestCount == 0) {
// post shutdown event
PLEvent *ev = new PLEvent;
PL_InitEvent(ev, nsnull,
ShutdownEvent_Handler,
ShutdownEvent_Cleanup);
gEventQ->PostEvent(ev);
}
return NS_OK;
}
static PRBool
load_async_1(nsISupports *element, void *data)
{
nsCOMPtr<nsIURI> uri( do_QueryInterface(element) );
if (!uri)
return PR_TRUE;
MyListener *listener = new MyListener();
if (!listener)
return PR_TRUE;
NS_ADDREF(listener);
nsresult rv = NS_OpenURI(listener, nsnull, uri, gIOService);
NS_RELEASE(listener);
if (NS_SUCCEEDED(rv))
gRequestCount++;
else
printf(">> NS_OpenURI failed [rv=%x]\n", rv);
return PR_TRUE;
}
static nsresult
load_async(nsISupportsArray *urls)
{
nsresult rv;
// Create the Event Queue for this thread...
nsCOMPtr<nsIEventQueueService> eqs(
do_GetService("@mozilla.org/event-queue-service;1", &rv) );
if (NS_FAILED(rv)) return rv;
rv = eqs->CreateMonitoredThreadEventQueue();
if (NS_FAILED(rv)) return rv;
rv = eqs->GetThreadEventQueue(NS_CURRENT_THREAD, &gEventQ);
if (NS_FAILED(rv)) return rv;
urls->EnumerateForwards(load_async_1, nsnull);
while (1) {
PLEvent *ev;
gEventQ->WaitForEvent(&ev);
if (gRequestCount == 0)
break;
gEventQ->HandleEvent(ev);
}
NS_RELEASE(gEventQ);
return NS_OK;
}
//-----------------------------------------------------------------------------
static nsresult
read_file(const char *fname, nsISupportsArray *urls)
{
FILE *fp = fopen(fname, "r");
if (!fp) {
printf("failed opening file: %s\n", fname);
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIURI> uri;
nsresult rv;
char buf[512];
while (fgets(buf, sizeof(buf), fp)) {
// remove trailing newline
buf[strlen(buf) - 1] = 0;
rv = NS_NewURI(getter_AddRefs(uri), buf, nsnull, gIOService);
if (NS_FAILED(rv))
printf("*** ignoring malformed uri: %s\n", buf);
else {
//nsXPIDLCString spec;
//uri->GetSpec(getter_Copies(spec));
//printf("read url: %s\n", spec.get());
urls->AppendElement(uri);
}
}
fclose(fp);
return NS_OK;
}
//-----------------------------------------------------------------------------
static void
print_usage()
{
printf("usage: TestPerf [-sync|-async] <file-of-urls>\n");
}
int
main(int argc, char **argv)
{
if (test_common_init(&argc, &argv) != 0)
return -1;
nsresult rv;
PRBool sync;
if (argc < 3) {
print_usage();
return -1;
}
if (PL_strcasecmp(argv[1], "-sync") == 0)
sync = PR_TRUE;
else if (PL_strcasecmp(argv[1], "-async") == 0)
sync = PR_FALSE;
else {
print_usage();
return -1;
}
nsCOMPtr<nsIServiceManager> servMan;
NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
registrar->AutoRegister(nsnull);
// cache the io service
{
nsCOMPtr<nsIIOService> ioserv( do_GetIOService() );
NS_ADDREF(gIOService = ioserv);
}
nsCOMPtr<nsISupportsArray> urls;
rv = NS_NewISupportsArray(getter_AddRefs(urls));
if (NS_FAILED(rv)) return -1;
rv = read_file(argv[2], urls);
if (NS_FAILED(rv)) {
printf("failed reading file-of-urls\n");
return -1;
}
PRUint32 urlCount;
urls->Count(&urlCount);
PRIntervalTime start = PR_IntervalNow();
if (sync)
rv = load_sync(urls);
else
rv = load_async(urls);
if (NS_FAILED(rv)) {
printf("load failed\n");
return -1;
}
PRIntervalTime end = PR_IntervalNow();
fprintf(stderr, "read: %u urls; total time: %u milliseconds\n",
urlCount,
PR_IntervalToMilliseconds(end - start));
NS_RELEASE(gIOService);
return 0;
}