Add m-esr52 at 52.6.0

1 files changed, 197 insertions, 0 deletions

diff --git a/nsprpub/pr/tests/writev.c b/nsprpub/pr/tests/writev.c
new file mode 100644
index 000000000..24544a46e
--- /dev/null
+++ b/nsprpub/pr/tests/writev.c
@@ -0,0 +1,197 @@
+/* -*- Mode: C++; tab-width: 4; 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 "nspr.h"
+
+#include "plgetopt.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+
+#ifndef IOV_MAX
+#define IOV_MAX 16
+#endif
+
+#define BASE_PORT 9867
+
+int PR_CALLBACK Writev(int argc, char **argv)
+{
+
+    PRStatus rv;
+    PRNetAddr serverAddr;
+    PRFileDesc *clientSock, *debug = NULL;
+
+    char *buffer = NULL;
+    PRIOVec *iov = NULL;
+    PRBool passed = PR_TRUE;
+    PRIntervalTime timein, elapsed, timeout;
+    PRIntervalTime tmo_min = 0x7fffffff, tmo_max = 0, tmo_elapsed = 0;
+    PRInt32 tmo_counted = 0, iov_index, loop, bytes, number_fragments;
+    PRInt32 message_length = 100, fragment_length = 100, messages = 100;
+    struct Descriptor { PRInt32 length; PRUint32 checksum; } descriptor;
+
+    /*
+     * USAGE
+     * -h       dns name of host serving the connection (default = self)
+     * -m       number of messages to send              (default = 100)
+     * -s       size of each message                    (default = 100)
+     * -f       size of each message fragment           (default = 100)
+     */
+
+	PLOptStatus os;
+	PLOptState *opt = PL_CreateOptState(argc, argv, "dh:m:s:f:");
+
+    PR_STDIO_INIT();
+    rv = PR_InitializeNetAddr(PR_IpAddrLoopback, BASE_PORT, &serverAddr);
+    PR_ASSERT(PR_SUCCESS == rv);
+
+	while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
+    {
+        if (PL_OPT_BAD == os) continue;
+        switch (opt->option)
+        {
+        case 'h':  /* the remote host */
+            {
+                PRIntn es = 0;
+                PRHostEnt host;
+                char buffer[1024];
+                (void)PR_GetHostByName(opt->value, buffer, sizeof(buffer), &host);
+                es = PR_EnumerateHostEnt(es, &host, BASE_PORT, &serverAddr);
+                PR_ASSERT(es > 0);
+            }
+            break;
+        case 'd':  /* debug mode */
+            debug = PR_GetSpecialFD(PR_StandardError);
+            break;
+        case 'm':  /* number of messages to send */
+            messages = atoi(opt->value);
+            break;
+        case 's':  /* total size of each message */
+            message_length = atoi(opt->value);
+            break;
+        case 'f':  /* size of each message fragment */
+            fragment_length = atoi(opt->value);
+            break;
+        default:
+            break;
+        }
+    }
+	PL_DestroyOptState(opt);
+
+    buffer = (char*)malloc(message_length);
+
+    number_fragments = (message_length + fragment_length - 1) / fragment_length + 1;
+    while (IOV_MAX < number_fragments)
+    {
+        fragment_length = message_length / (IOV_MAX - 2);
+        number_fragments = (message_length + fragment_length - 1) /
+            fragment_length + 1;
+        if (NULL != debug) PR_fprintf(debug, 
+            "Too many fragments - reset fragment length to %ld\n", fragment_length);
+    }
+    iov = (PRIOVec*)malloc(number_fragments * sizeof(PRIOVec));
+
+    iov[0].iov_base = (char*)&descriptor;
+    iov[0].iov_len = sizeof(descriptor);
+    for (iov_index = 1; iov_index < number_fragments; ++iov_index)
+    {
+        iov[iov_index].iov_base = buffer + (iov_index - 1) * fragment_length;
+        iov[iov_index].iov_len = fragment_length;
+    }
+
+    for (bytes = 0; bytes < message_length; ++bytes)
+        buffer[bytes] = (char)bytes;
+
+    timeout = PR_SecondsToInterval(1);
+
+    for (loop = 0; loop < messages; ++loop)
+    {
+        if (NULL != debug)
+            PR_fprintf(debug, "[%d]socket ... ", loop);
+        clientSock = PR_NewTCPSocket();
+        if (clientSock)
+        {
+            timein = PR_IntervalNow();
+            if (NULL != debug)
+                PR_fprintf(debug, "connecting ... ");
+            rv = PR_Connect(clientSock, &serverAddr, timeout);
+            if (PR_SUCCESS == rv)
+            {
+                descriptor.checksum = 0;
+                descriptor.length = (loop < (messages - 1)) ? message_length : 0;
+                if (0 == descriptor.length) number_fragments = 1;
+                else
+                    for (iov_index = 0; iov_index < descriptor.length; ++iov_index)
+                    {
+                        PRUint32 overflow = descriptor.checksum & 0x80000000;
+                        descriptor.checksum = (descriptor.checksum << 1);
+                        if (0x00000000 != overflow) descriptor.checksum += 1;
+                        descriptor.checksum += buffer[iov_index];
+                    }
+                if (NULL != debug) PR_fprintf(
+                    debug, "sending %d bytes ... ", descriptor.length);
+
+                /* then, at the last moment ... */
+                descriptor.length = PR_ntohl(descriptor.length);
+                descriptor.checksum = PR_ntohl(descriptor.checksum);
+
+                bytes = PR_Writev(clientSock, iov, number_fragments, timeout);
+                if (NULL != debug)
+                    PR_fprintf(debug, "closing ... ");
+                rv = PR_Shutdown(clientSock, PR_SHUTDOWN_BOTH);
+                rv = PR_Close(clientSock);
+                if (NULL != debug) PR_fprintf(
+                    debug, "%s\n", ((PR_SUCCESS == rv) ? "good" : "bad"));
+                elapsed = PR_IntervalNow() - timein;
+                if (elapsed < tmo_min) tmo_min = elapsed;
+                else if (elapsed > tmo_max) tmo_max = elapsed;
+                tmo_elapsed += elapsed;
+                tmo_counted += 1;
+            }
+            else
+            {
+                if (NULL != debug) PR_fprintf(
+                    debug, "failed - retrying (%d, %d)\n",
+                    PR_GetError(), PR_GetOSError());
+                PR_Close(clientSock);
+            }
+        }
+        else if (NULL != debug)
+        {
+            PR_fprintf(debug, "unable to create client socket\n");
+            passed = PR_FALSE;
+        }
+    }
+    if (NULL != debug) {
+        if (0 == tmo_counted) {
+            PR_fprintf(debug, "No connection made\n");
+        } else {
+        PR_fprintf(
+            debug, "\nTimings: %d [%d] %d (microseconds)\n",
+            PR_IntervalToMicroseconds(tmo_min),
+            PR_IntervalToMicroseconds(tmo_elapsed / tmo_counted),
+            PR_IntervalToMicroseconds(tmo_max));
+	}
+    }
+
+    PR_DELETE(buffer);
+    PR_DELETE(iov);
+
+    PR_fprintf(
+        PR_GetSpecialFD(PR_StandardError),
+        "%s\n", (passed) ? "PASSED" : "FAILED");
+    return (passed) ? 0 : 1;
+}
+
+int main(int argc, char **argv)
+{
+    return (PR_VersionCheck(PR_VERSION)) ?
+        PR_Initialize(Writev, argc, argv, 4) : -1;
+}  /* main */
+
+/* writev.c */
+
+