DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (5b81998bb7ab)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 <stdio.h>
#include <signal.h>

#ifdef WIN32
#include <windows.h>
#endif
#ifdef OS2
#include <os2.h>
#endif

#include "nspr.h"
#include "nscore.h"
#include "nsISocketTransportService.h"
#include "nsIEventQueueService.h"
#include "nsIServiceManager.h"
#include "nsITransport.h"
#include "nsIRequest.h"
#include "nsIStreamProvider.h"
#include "nsIStreamListener.h"
#include "nsIPipe.h"
#include "nsIOutputStream.h"
#include "nsIInputStream.h"
#include "nsCRT.h"
#include "nsCOMPtr.h"
#include "nsIByteArrayInputStream.h"

#if defined(PR_LOGGING)
static PRLogModuleInfo *gTestSocketIOLog;
#define LOG(args) PR_LOG(gTestSocketIOLog, PR_LOG_DEBUG, args)
#else
#define LOG(args)
#endif

static NS_DEFINE_CID(kSocketTransportServiceCID, NS_SOCKETTRANSPORTSERVICE_CID);
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);

static PRTime gElapsedTime;
static int gKeepRunning = 1;
static nsIEventQueue* gEventQ = nullptr;

//
//----------------------------------------------------------------------------
// Test Listener
//----------------------------------------------------------------------------
//

class TestListener : public nsIStreamListener
{
public:
    TestListener() {}
    virtual ~TestListener() {}

    NS_DECL_ISUPPORTS
    NS_DECL_NSIREQUESTOBSERVER
    NS_DECL_NSISTREAMLISTENER
};

NS_IMPL_ISUPPORTS2(TestListener,
                   nsIRequestObserver,
                   nsIStreamListener);

NS_IMETHODIMP
TestListener::OnStartRequest(nsIRequest* request, nsISupports* context)
{
    LOG(("TestListener::OnStartRequest\n"));
    return NS_OK;
}

NS_IMETHODIMP
TestListener::OnDataAvailable(nsIRequest* request,
                              nsISupports* context,
                              nsIInputStream *aIStream, 
                              uint32_t aSourceOffset,
                              uint32_t aLength)
{
    LOG(("TestListener::OnDataAvailable [offset=%u length=%u]\n",
        aSourceOffset, aLength));
    char buf[1025];
    uint32_t amt;
    while (1) {
        aIStream->Read(buf, 1024, &amt);
        if (amt == 0)
            break;
        buf[amt] = '\0';
        puts(buf);
    }
    return NS_OK;
}

NS_IMETHODIMP
TestListener::OnStopRequest(nsIRequest* request, nsISupports* context,
                            nsresult aStatus)
{
    LOG(("TestListener::OnStopRequest [aStatus=%x]\n", aStatus));
    gKeepRunning = 0;
    return NS_OK;
}

//
//----------------------------------------------------------------------------
// Test Provider
//----------------------------------------------------------------------------
//

class TestProvider : public nsIStreamProvider
{
public:
    TestProvider(char *data);
    virtual ~TestProvider();

    NS_DECL_ISUPPORTS
    NS_DECL_NSIREQUESTOBSERVER
    NS_DECL_NSISTREAMPROVIDER

protected:
    nsCOMPtr<nsIByteArrayInputStream> mData;
};

NS_IMPL_ISUPPORTS2(TestProvider,
                   nsIStreamProvider,
                   nsIRequestObserver)

TestProvider::TestProvider(char *data)
{
    NS_NewByteArrayInputStream(getter_AddRefs(mData), data, strlen(data));
    LOG(("Constructing TestProvider [this=%x]\n", this));
}

TestProvider::~TestProvider()
{
    LOG(("Destroying TestProvider [this=%x]\n", this));
}

NS_IMETHODIMP
TestProvider::OnStartRequest(nsIRequest* request, nsISupports* context)
{
    LOG(("TestProvider::OnStartRequest [this=%x]\n", this));
    return NS_OK;
}

NS_IMETHODIMP
TestProvider::OnStopRequest(nsIRequest* request, nsISupports* context,
                            nsresult aStatus)
{
    LOG(("TestProvider::OnStopRequest [status=%x]\n", aStatus));

    nsCOMPtr<nsIStreamListener> listener = do_QueryInterface(new TestListener());

    if (NS_SUCCEEDED(aStatus)) {
        nsCOMPtr<nsITransportRequest> treq = do_QueryInterface(request);
        nsCOMPtr<nsITransport> transport;
        treq->GetTransport(getter_AddRefs(transport));
        if (transport) {
            nsCOMPtr<nsIRequest> readRequest;
            transport->AsyncRead(listener, nullptr, 0, 0, 0, getter_AddRefs(readRequest));
        }
    } else
        gKeepRunning = 0;

    return NS_OK;
}

NS_IMETHODIMP
TestProvider::OnDataWritable(nsIRequest *request, nsISupports *context,
                             nsIOutputStream *output, uint32_t offset, uint32_t count)
{
    LOG(("TestProvider::OnDataWritable [offset=%u, count=%u]\n", offset, count));
    uint32_t writeCount;
    nsresult rv = output->WriteFrom(mData, count, &writeCount);
    // Zero bytes written on success indicates EOF
    if (NS_SUCCEEDED(rv) && (writeCount == 0))
        return NS_BASE_STREAM_CLOSED;
    return rv;
}

//
//----------------------------------------------------------------------------
// Synchronous IO
//----------------------------------------------------------------------------
//
nsresult
WriteRequest(nsIOutputStream *os, const char *request)
{
    LOG(("WriteRequest [request=%s]\n", request));
    uint32_t n;
    return os->Write(request, strlen(request), &n);
}

nsresult
ReadResponse(nsIInputStream *is)
{
    uint32_t bytesRead;
    char buf[2048];
    do {
        is->Read(buf, sizeof(buf), &bytesRead);
        if (bytesRead > 0)
            fwrite(buf, 1, bytesRead, stdout);
    } while (bytesRead > 0);
    return NS_OK;
}

//
//----------------------------------------------------------------------------
// Startup...
//----------------------------------------------------------------------------
//

void
sighandler(int sig)
{
    LOG(("got signal: %d\n", sig));
    NS_BREAK();
}

void
usage(char **argv)
{
    printf("usage: %s [-sync] <host> <path>\n", argv[0]);
    exit(1);
}

int
main(int argc, char* argv[])
{
    nsresult rv;

    signal(SIGSEGV, sighandler);

#if defined(PR_LOGGING)
    gTestSocketIOLog = PR_NewLogModule("TestSocketIO");
#endif

    if (argc < 3)
        usage(argv);

    int i=0;
    bool sync = false;
    if (nsCRT::strcasecmp(argv[1], "-sync") == 0) {
        if (argc < 4)
            usage(argv);
        sync = true;
        i = 1;
    }

    char *hostName = argv[1+i];
    char *fileName = argv[2+i];
    int port = 80;

    // Create the Event Queue for this thread...
    nsCOMPtr<nsIEventQueueService> eventQService = 
             do_GetService(kEventQueueServiceCID, &rv);
    if (NS_FAILED(rv)) {
        NS_WARNING("failed to create: event queue service!");
        return rv;
    }

    rv = eventQService->CreateMonitoredThreadEventQueue();
    if (NS_FAILED(rv)) {
        NS_WARNING("failed to create: thread event queue!");
        return rv;
    }

    eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &gEventQ);

    // Create the Socket transport service...
    nsCOMPtr<nsISocketTransportService> sts = 
             do_GetService(kSocketTransportServiceCID, &rv);
    if (NS_FAILED(rv)) {
        NS_WARNING("failed to create: socket transport service!");
        return rv;
    }

    char *buffer = PR_smprintf("GET %s HTTP/1.1" CRLF
                               "host: %s" CRLF
                               "user-agent: Mozilla/5.0 (X11; N; Linux 2.2.16-22smp i686; en-US; m18) Gecko/20001220" CRLF
                               "accept: */*" CRLF
                               "accept-language: en" CRLF
                               "accept-encoding: gzip,deflate,compress,identity" CRLF
                               "keep-alive: 300" CRLF
                               "connection: keep-alive" CRLF
                                CRLF,
                                fileName, hostName);
    LOG(("Request [\n%s]\n", buffer));

    // Create the socket transport...
    nsCOMPtr<nsITransport> transport;
    rv = sts->CreateTransport(hostName, port, nullptr, 0, 0, getter_AddRefs(transport));
    if (NS_FAILED(rv)) {
        NS_WARNING("failed to create: socket transport!");
        return rv;
    }

    gElapsedTime = PR_Now();

    if (!sync) {
        nsCOMPtr<nsIRequest> request;
        rv = transport->AsyncWrite(new TestProvider(buffer), nullptr, 0, 0, 0, getter_AddRefs(request));
        if (NS_FAILED(rv)) {
            NS_WARNING("failed calling: AsyncWrite!");
            return rv;
        }

        // Enter the message pump to allow the URL load to proceed.
        while ( gKeepRunning ) {
            PLEvent *gEvent;
            gEventQ->WaitForEvent(&gEvent);
            gEventQ->HandleEvent(gEvent);
        }
    }
    else {
        // synchronous write
        {
            nsCOMPtr<nsIOutputStream> os;
            rv = transport->OpenOutputStream(0, 0, 0, getter_AddRefs(os));
            if (NS_FAILED(rv)) {
                LOG(("OpenOutputStream failed [rv=%x]\n", rv));
                return rv;
            }
            rv = WriteRequest(os, buffer);
            if (NS_FAILED(rv)) {
                LOG(("WriteRequest failed [rv=%x]\n", rv));
                return rv;
            }
        }
        // synchronous read
        {
            nsCOMPtr<nsIInputStream> is;
            rv = transport->OpenInputStream(0, 0, 0, getter_AddRefs(is));
            if (NS_FAILED(rv)) {
                LOG(("OpenInputStream failed [rv=%x]\n", rv));
                return rv;
            }
            rv = ReadResponse(is);
            if (NS_FAILED(rv)) {
                LOG(("ReadResponse failed [rv=%x]\n", rv));
                return rv;
            }
        }
    }

    PRTime endTime; 
    endTime = PR_Now();
    LOG(("Elapsed time: %d\n", (int32_t)(endTime/1000UL - gElapsedTime/1000UL)));

    sts->Shutdown();
    return 0;
}