gecko/netwerk/test/TestRes.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2012-05-21 04:12:37 -07:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIResProtocolHandler.h"
#include "nsIServiceManager.h"
#include "nsIIOService.h"
#include "nsIInputStream.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "nsIStreamListener.h"
#include "nsIEventQueueService.h"
#include "nsIURI.h"
#include "nsCRT.h"
#include "nsNetCID.h"
static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
////////////////////////////////////////////////////////////////////////////////
nsresult
SetupMapping()
{
nsresult rv;
nsCOMPtr<nsIIOService> serv(do_GetService(kIOServiceCID, &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIProtocolHandler> ph;
rv = serv->GetProtocolHandler("res", getter_AddRefs(ph));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIResProtocolHandler> resPH = do_QueryInterface(ph, &rv);
if (NS_FAILED(rv)) return rv;
rv = resPH->AppendSubstitution("foo", "file://y|/");
if (NS_FAILED(rv)) return rv;
rv = resPH->AppendSubstitution("foo", "file://y|/mozilla/dist/win32_D.OBJ/bin/");
if (NS_FAILED(rv)) return rv;
return rv;
}
////////////////////////////////////////////////////////////////////////////////
nsresult
TestOpenInputStream(const char* url)
{
nsresult rv;
nsCOMPtr<nsIIOService> serv(do_GetService(kIOServiceCID, &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIChannel> channel;
rv = serv->NewChannel(url,
nullptr, // base uri
getter_AddRefs(channel));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIInputStream> in;
rv = channel->Open(getter_AddRefs(in));
if (NS_FAILED(rv)) {
fprintf(stdout, "failed to OpenInputStream for %s\n", url);
return NS_OK;
}
char buf[1024];
while (1) {
uint32_t amt;
rv = in->Read(buf, sizeof(buf), &amt);
if (NS_FAILED(rv)) return rv;
if (amt == 0) break; // eof
char* str = buf;
while (amt-- > 0) {
fputc(*str++, stdout);
}
}
nsCOMPtr<nsIURI> uri;
char* str;
rv = channel->GetOriginalURI(getter_AddRefs(uri));
if (NS_FAILED(rv)) return rv;
rv = uri->GetSpec(&str);
if (NS_FAILED(rv)) return rv;
fprintf(stdout, "%s resolved to ", str);
nsCRT::free(str);
rv = channel->GetURI(getter_AddRefs(uri));
if (NS_FAILED(rv)) return rv;
rv = uri->GetSpec(&str);
if (NS_FAILED(rv)) return rv;
fprintf(stdout, "%s\n", str);
nsCRT::free(str);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
bool gDone = false;
nsIEventQueue* gEventQ = nullptr;
class Listener : public nsIStreamListener
{
public:
NS_DECL_ISUPPORTS
Listener() {}
virtual ~Listener() {}
NS_IMETHOD OnStartRequest(nsIRequest *request, nsISupports *ctxt) {
nsresult rv;
nsCOMPtr<nsIURI> uri;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
rv = channel->GetURI(getter_AddRefs(uri));
if (NS_SUCCEEDED(rv)) {
char* str;
rv = uri->GetSpec(&str);
if (NS_SUCCEEDED(rv)) {
fprintf(stdout, "Starting to load %s\n", str);
nsCRT::free(str);
}
}
return NS_OK;
}
NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports *ctxt,
nsresult aStatus) {
nsresult rv;
nsCOMPtr<nsIURI> uri;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
rv = channel->GetURI(getter_AddRefs(uri));
if (NS_SUCCEEDED(rv)) {
char* str;
rv = uri->GetSpec(&str);
if (NS_SUCCEEDED(rv)) {
fprintf(stdout, "Ending load %s, status=%x\n", str, aStatus);
nsCRT::free(str);
}
}
gDone = true;
return NS_OK;
}
NS_IMETHOD OnDataAvailable(nsIRequest *request, nsISupports *ctxt,
nsIInputStream *inStr,
uint64_t sourceOffset, uint32_t count) {
nsresult rv;
char buf[1024];
while (count > 0) {
uint32_t amt;
rv = inStr->Read(buf, sizeof(buf), &amt);
count -= amt;
char* c = buf;
while (amt-- > 0) {
fputc(*c++, stdout);
}
}
return NS_OK;
}
};
NS_IMPL_ISUPPORTS2(Listener, nsIStreamListener, nsIRequestObserver)
nsresult
TestAsyncRead(const char* url)
{
nsresult rv;
nsCOMPtr<nsIEventQueueService> eventQService =
do_GetService(kEventQueueServiceCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &gEventQ);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIIOService> serv(do_GetService(kIOServiceCID, &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIChannel> channel;
rv = serv->NewChannel(url,
nullptr, // base uri
getter_AddRefs(channel));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIStreamListener> listener = new Listener();
if (listener == nullptr)
return NS_ERROR_OUT_OF_MEMORY;
rv = channel->AsyncOpen(nullptr, listener);
if (NS_FAILED(rv)) return rv;
while (!gDone) {
PLEvent* event;
rv = gEventQ->GetEvent(&event);
if (NS_FAILED(rv)) return rv;
rv = gEventQ->HandleEvent(event);
if (NS_FAILED(rv)) return rv;
}
return rv;
}
int
main(int argc, char* argv[])
{
nsresult rv;
{
nsCOMPtr<nsIServiceManager> servMan;
NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr);
nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
if (registrar)
registrar->AutoRegister(nullptr);
NS_ASSERTION(NS_SUCCEEDED(rv), "AutoregisterComponents failed");
if (argc < 2) {
printf("usage: %s resource://foo/<path-to-resolve>\n", argv[0]);
return -1;
}
rv = SetupMapping();
NS_ASSERTION(NS_SUCCEEDED(rv), "SetupMapping failed");
if (NS_FAILED(rv)) return rv;
rv = TestOpenInputStream(argv[1]);
NS_ASSERTION(NS_SUCCEEDED(rv), "TestOpenInputStream failed");
rv = TestAsyncRead(argv[1]);
NS_ASSERTION(NS_SUCCEEDED(rv), "TestAsyncRead failed");
} // this scopes the nsCOMPtrs
// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
rv = NS_ShutdownXPCOM(nullptr);
NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
return rv;
}
////////////////////////////////////////////////////////////////////////////////