home *** CD-ROM | disk | FTP | other *** search
- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- /*
- ** File: thruput.c
- ** Description: Test server's throughput capability comparing various
- ** implmentation strategies.
- **
- ** Note: Requires a server machine and an aribitrary number of
- ** clients to bang on it. Trust the numbers on the server
- ** more than those being displayed by the various clients.
- */
-
- #include "prerror.h"
- #include "prinrval.h"
- #include "prinit.h"
- #include "prio.h"
- #include "prlock.h"
- #include "prmem.h"
- #include "prnetdb.h"
- #include "prprf.h"
- #include "prthread.h"
-
- #include "pprio.h"
-
- #include "plerror.h"
- #include "plgetopt.h"
-
- #define ADDR_BUFFER 100
- #define PORT_NUMBER 51877
- #define SAMPLING_INTERVAL 10
- #define BUFFER_SIZE (32 * 1024)
-
- static PRInt32 domain = AF_INET;
- static PRInt32 protocol = 6; /* TCP */
- static PRFileDesc *err = NULL;
- static PRIntn concurrency = 1;
- static PRInt32 xport_buffer = -1;
- static PRInt32 initial_streams = 1;
- static PRInt32 buffer_size = BUFFER_SIZE;
- static PRThreadScope thread_scope = PR_LOCAL_THREAD;
-
- typedef struct Shared
- {
- PRLock *ml;
- PRUint32 sampled;
- PRUint32 threads;
- PRIntervalTime timein;
- PRNetAddr server_address;
- } Shared;
-
- static Shared *shared = NULL;
-
- static PRStatus PrintAddress(const PRNetAddr* address)
- {
- char buffer[ADDR_BUFFER];
- PRStatus rv = PR_NetAddrToString(address, buffer, sizeof(buffer));
- if (PR_SUCCESS == rv)
- PR_fprintf(err, "%s:%u\n", buffer, PR_ntohs(address->inet.port));
- else PL_FPrintError(err, "PR_NetAddrToString");
- return rv;
- } /* PrintAddress */
-
-
- static void PR_CALLBACK Clientel(void *arg)
- {
- PRStatus rv;
- PRFileDesc *xport;
- PRInt32 bytes, sampled;
- PRIntervalTime now, interval;
- PRBool do_display = PR_FALSE;
- Shared *shared = (Shared*)arg;
- char *buffer = (char*)PR_Malloc(buffer_size);
- PRNetAddr *server_address = &shared->server_address;
- PRIntervalTime connect_timeout = PR_SecondsToInterval(5);
- PRIntervalTime sampling_interval = PR_SecondsToInterval(SAMPLING_INTERVAL);
-
- PR_fprintf(err, "Client connecting to ");
- (void)PrintAddress(server_address);
-
- do
- {
- xport = PR_Socket(domain, SOCK_STREAM, protocol);
- if (NULL == xport)
- {
- PL_FPrintError(err, "PR_Socket");
- return;
- }
-
- if (xport_buffer != -1)
- {
- PRSocketOptionData data;
- data.option = PR_SockOpt_RecvBufferSize;
- data.value.recv_buffer_size = (PRSize)xport_buffer;
- rv = PR_SetSocketOption(xport, &data);
- if (PR_FAILURE == rv)
- PL_FPrintError(err, "PR_SetSocketOption - ignored");
- data.option = PR_SockOpt_SendBufferSize;
- data.value.send_buffer_size = (PRSize)xport_buffer;
- rv = PR_SetSocketOption(xport, &data);
- if (PR_FAILURE == rv)
- PL_FPrintError(err, "PR_SetSocketOption - ignored");
- }
-
- rv = PR_Connect(xport, server_address, connect_timeout);
- if (PR_FAILURE == rv)
- {
- PL_FPrintError(err, "PR_Connect");
- if (PR_IO_TIMEOUT_ERROR != PR_GetError())
- PR_Sleep(connect_timeout);
- PR_Close(xport); /* delete it and start over */
- }
- } while (PR_FAILURE == rv);
-
- do
- {
- bytes = PR_Recv(
- xport, buffer, buffer_size, 0, PR_INTERVAL_NO_TIMEOUT);
- PR_Lock(shared->ml);
- now = PR_IntervalNow();
- shared->sampled += bytes;
- interval = now - shared->timein;
- if (interval > sampling_interval)
- {
- sampled = shared->sampled;
- shared->timein = now;
- shared->sampled = 0;
- do_display = PR_TRUE;
- }
- PR_Unlock(shared->ml);
-
- if (do_display)
- {
- PRUint32 rate = sampled / PR_IntervalToMilliseconds(interval);
- PR_fprintf(err, "%u streams @ %u Kbytes/sec\n", shared->threads, rate);
- do_display = PR_FALSE;
- }
-
- } while (bytes > 0);
- } /* Clientel */
-
- static void Client(const char *server_name)
- {
- PRStatus rv;
- PRHostEnt host;
- char buffer[PR_NETDB_BUF_SIZE];
- PRIntervalTime dally = PR_SecondsToInterval(60);
- PR_fprintf(err, "Translating the name %s\n", server_name);
- rv = PR_GetHostByName(server_name, buffer, sizeof(buffer), &host);
- if (PR_FAILURE == rv)
- PL_FPrintError(err, "PR_GetHostByName");
- else
- {
- if (PR_EnumerateHostEnt(
- 0, &host, PORT_NUMBER, &shared->server_address) < 0)
- PL_FPrintError(err, "PR_EnumerateHostEnt");
- else
- {
- do
- {
- shared->threads += 1;
- (void)PR_CreateThread(
- PR_USER_THREAD, Clientel, shared,
- PR_PRIORITY_NORMAL, thread_scope,
- PR_UNJOINABLE_THREAD, 8 * 1024);
- if (shared->threads == initial_streams)
- {
- PR_Sleep(dally);
- initial_streams += 1;
- }
- } while (PR_TRUE);
- }
- }
- }
-
- static void PR_CALLBACK Servette(void *arg)
- {
- PRInt32 bytes, sampled;
- PRIntervalTime now, interval;
- PRBool do_display = PR_FALSE;
- PRFileDesc *client = (PRFileDesc*)arg;
- char *buffer = (char*)PR_Malloc(buffer_size);
- PRIntervalTime sampling_interval = PR_SecondsToInterval(SAMPLING_INTERVAL);
-
- if (xport_buffer != -1)
- {
- PRStatus rv;
- PRSocketOptionData data;
- data.option = PR_SockOpt_RecvBufferSize;
- data.value.recv_buffer_size = (PRSize)xport_buffer;
- rv = PR_SetSocketOption(client, &data);
- if (PR_FAILURE == rv)
- PL_FPrintError(err, "PR_SetSocketOption - ignored");
- data.option = PR_SockOpt_SendBufferSize;
- data.value.send_buffer_size = (PRSize)xport_buffer;
- rv = PR_SetSocketOption(client, &data);
- if (PR_FAILURE == rv)
- PL_FPrintError(err, "PR_SetSocketOption - ignored");
- }
-
- do
- {
- bytes = PR_Send(
- client, buffer, buffer_size, 0, PR_INTERVAL_NO_TIMEOUT);
-
- PR_Lock(shared->ml);
- now = PR_IntervalNow();
- shared->sampled += bytes;
- interval = now - shared->timein;
- if (interval > sampling_interval)
- {
- sampled = shared->sampled;
- shared->timein = now;
- shared->sampled = 0;
- do_display = PR_TRUE;
- }
- PR_Unlock(shared->ml);
-
- if (do_display)
- {
- PRUint32 rate = sampled / PR_IntervalToMilliseconds(interval);
- PR_fprintf(err, "%u streams @ %u Kbytes/sec\n", shared->threads, rate);
- do_display = PR_FALSE;
- }
- } while (bytes > 0);
- } /* Servette */
-
- static void Server(void)
- {
- PRStatus rv;
- PRNetAddr server_address, client_address;
- PRFileDesc *xport = PR_Socket(domain, SOCK_STREAM, protocol);
-
- if (NULL == xport)
- {
- PL_FPrintError(err, "PR_Socket");
- return;
- }
-
- rv = PR_InitializeNetAddr(PR_IpAddrAny, PORT_NUMBER, &server_address);
- if (PR_FAILURE == rv) PL_FPrintError(err, "PR_InitializeNetAddr");
- else
- {
- rv = PR_Bind(xport, &server_address);
- if (PR_FAILURE == rv) PL_FPrintError(err, "PR_Bind");
- else
- {
- PRFileDesc *client;
- rv = PR_Listen(xport, 10);
- PR_fprintf(err, "Server listening on ");
- (void)PrintAddress(&server_address);
- do
- {
- client = PR_Accept(
- xport, &client_address, PR_INTERVAL_NO_TIMEOUT);
- if (NULL == client) PL_FPrintError(err, "PR_Accept");
- else
- {
- PR_fprintf(err, "Server accepting from ");
- (void)PrintAddress(&client_address);
- shared->threads += 1;
- (void)PR_CreateThread(
- PR_USER_THREAD, Servette, client,
- PR_PRIORITY_NORMAL, thread_scope,
- PR_UNJOINABLE_THREAD, 8 * 1024);
- }
- } while (PR_TRUE);
-
- }
- }
- } /* Server */
-
- static void Help(void)
- {
- PR_fprintf(err, "Usage: [-h] [<server>]\n");
- PR_fprintf(err, "\t-s <n> Initial # of connections (default: 1)\n");
- PR_fprintf(err, "\t-C <n> Set 'concurrency' (default: 1)\n");
- PR_fprintf(err, "\t-b <nK> Client buffer size (default: 32k)\n");
- PR_fprintf(err, "\t-B <nK> Transport recv/send buffer size (default: sys)\n");
- PR_fprintf(err, "\t-G Use GLOBAL threads (default: LOCAL)\n");
- PR_fprintf(err, "\t-X Use XTP transport (default: TCP)\n");
- #ifdef _PR_INET6
- PR_fprintf(err, "\t-6 Use IPv6 (default: IPv4)\n");
- #endif /* _PR_INET6 */
- PR_fprintf(err, "\t-h This message and nothing else\n");
- PR_fprintf(err, "\t<server> DNS name of server\n");
- PR_fprintf(err, "\t\tIf <server> is not specified, this host will be\n");
- PR_fprintf(err, "\t\tthe server and not act as a client.\n");
- } /* Help */
-
- PRIntn main(PRIntn argc, char **argv)
- {
- PLOptStatus os;
- const char *server_name = NULL;
- PLOptState *opt = PL_CreateOptState(argc, argv, "hGX6C:b:s:B:");
-
- err = PR_GetSpecialFD(PR_StandardError);
-
- while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
- {
- if (PL_OPT_BAD == os) continue;
- switch (opt->option)
- {
- case 0: /* Name of server */
- server_name = opt->value;
- break;
- case 'G': /* Globular threads */
- thread_scope = PR_GLOBAL_THREAD;
- break;
- case 'X': /* Use XTP as the transport */
- protocol = 36;
- break;
- #ifdef _PR_INET6
- case '6': /* Use IPv6 */
- domain = AF_INET6;
- PR_SetIPv6Enable(PR_TRUE);
- break;
- #endif /* _PR_INET6 */
- case 's': /* initial_streams */
- initial_streams = atoi(opt->value);
- break;
- case 'C': /* concurrency */
- concurrency = atoi(opt->value);
- break;
- case 'b': /* buffer size */
- buffer_size = 1024 * atoi(opt->value);
- break;
- case 'B': /* buffer size */
- xport_buffer = 1024 * atoi(opt->value);
- break;
- case 'h': /* user wants some guidance */
- default:
- Help(); /* so give him an earful */
- return 2; /* but not a lot else */
- }
- }
- PL_DestroyOptState(opt);
-
- shared = PR_NEWZAP(Shared);
- shared->ml = PR_NewLock();
-
- PR_fprintf(err,
- "This machine is %s\n",
- (NULL == server_name) ? "the SERVER" : "a CLIENT");
-
- PR_fprintf(err,
- "Transport being used is %s\n",
- (6 == protocol) ? "TCP" : "XTP");
-
- if (PR_GLOBAL_THREAD == thread_scope)
- {
- if (1 != concurrency)
- {
- PR_fprintf(err, " **Concurrency > 1 and GLOBAL threads!?!?\n");
- PR_fprintf(err, " **Ignoring concurrency\n");
- concurrency = 1;
- }
- }
-
- if (1 != concurrency)
- {
- PR_SetConcurrency(concurrency);
- PR_fprintf(err, "Concurrency set to %u\n", concurrency);
- }
-
- PR_fprintf(err,
- "All threads will be %s\n",
- (PR_GLOBAL_THREAD == thread_scope) ? "GLOBAL" : "LOCAL");
-
- PR_fprintf(err, "Client buffer size will be %u\n", buffer_size);
-
- if (-1 != xport_buffer)
- PR_fprintf(
- err, "Transport send & receive buffer size will be %u\n", xport_buffer);
-
-
- if (NULL == server_name) Server();
- else Client(server_name);
-
- } /* main */
-
- /* thruput.c */
-
-