/* -*- 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/. */
/***********************************************************************
**
** Name: thrpool_client.c
**
** Description: Test threadpool functionality.
**
** Modification History:
*/
#include "primpl.h"
#include "plgetopt.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#ifdef XP_UNIX
#include <sys/mman.h>
#endif
#if defined(_PR_PTHREADS)
#include <pthread.h>
#endif
#ifdef WIN32
#include <process.h>
#endif
static int _debug_on = 0;
static int server_port = -1;
static char *program_name = NULL;
#include "obsolete/prsem.h"
#ifdef XP_PC
#define mode_t int
#endif
#define DPRINTF(arg) if (_debug_on) printf arg
#define BUF_DATA_SIZE (2 * 1024)
#define TCP_MESG_SIZE 1024
#define NUM_TCP_CLIENTS 10 /* for a listen queue depth of 5 */
#define NUM_TCP_CONNECTIONS_PER_CLIENT 10
#define NUM_TCP_MESGS_PER_CONNECTION 10
#define TCP_SERVER_PORT 10000
static PRInt32 num_tcp_clients = NUM_TCP_CLIENTS;
static PRInt32 num_tcp_connections_per_client = NUM_TCP_CONNECTIONS_PER_CLIENT;
static PRInt32 tcp_mesg_size = TCP_MESG_SIZE;
static PRInt32 num_tcp_mesgs_per_connection = NUM_TCP_MESGS_PER_CONNECTION;
int failed_already=0;
typedef struct buffer {
char data[BUF_DATA_SIZE];
} buffer;
PRNetAddr tcp_server_addr, udp_server_addr;
typedef struct Client_Param {
PRNetAddr server_addr;
PRMonitor *exit_mon; /* monitor to signal on exit */
PRInt32 *exit_counter; /* counter to decrement, before exit */
PRInt32 datalen;
} Client_Param;
/*
* readn
* read data from sockfd into buf
*/
static PRInt32
readn(PRFileDesc *sockfd, char *buf, int len)
{
int rem;
int bytes;
int offset = 0;
PRIntervalTime timeout = PR_INTERVAL_NO_TIMEOUT;
for (rem=len; rem; offset += bytes, rem -= bytes) {
DPRINTF(("thread = 0x%lx: calling PR_Recv, bytes = %d\n",
PR_GetCurrentThread(), rem));
bytes = PR_Recv(sockfd, buf + offset, rem, 0,
timeout);
DPRINTF(("thread = 0x%lx: returning from PR_Recv, bytes = %d\n",
PR_GetCurrentThread(), bytes));
if (bytes < 0) {
return -1;
}
}
return len;
}
/*
* writen
* write data from buf to sockfd
*/
static PRInt32
writen(PRFileDesc *sockfd, char *buf, int len)
{
int rem;
int bytes;
int offset = 0;
for (rem=len; rem; offset += bytes, rem -= bytes) {
DPRINTF(("thread = 0x%lx: calling PR_Send, bytes = %d\n",
PR_GetCurrentThread(), rem));
bytes = PR_Send(sockfd, buf + offset, rem, 0,
PR_INTERVAL_NO_TIMEOUT);
DPRINTF(("thread = 0x%lx: returning from PR_Send, bytes = %d\n",
PR_GetCurrentThread(), bytes));
if (bytes <= 0)
return -1;
}
return len;
}
/*
* TCP_Client
* Client job
* Connect to the server at the address specified in the argument.
* Fill in a buffer, write data to server, read it back and check
* for data corruption.
* Close the socket for server connection
*/
static void PR_CALLBACK
TCP_Client(void *arg)
{
Client_Param *cp = (Client_Param *) arg;
PRFileDesc *sockfd;
buffer *in_buf, *out_buf;
union PRNetAddr netaddr;
PRInt32 bytes, i, j;
DPRINTF(("TCP client started\n"));
bytes = cp->datalen;
out_buf = PR_NEW(buffer);
if (out_buf == NULL) {
fprintf(stderr,"%s: failed to alloc buffer struct\n", program_name);
failed_already=1;
return;
}
in_buf = PR_NEW(buffer);
if (in_buf == NULL) {
fprintf(stderr,"%s: failed to alloc buffer struct\n", program_name);
failed_already=1;
return;
}
netaddr.inet.family = cp->server_addr.inet.family;
netaddr.inet.port = cp->server_addr.inet.port;
netaddr.inet.ip = cp->server_addr.inet.ip;
for (i = 0; i < num_tcp_connections_per_client; i++) {
if ((sockfd = PR_OpenTCPSocket(PR_AF_INET)) == NULL) {
fprintf(stderr,"%s: PR_OpenTCPSocket failed\n", program_name);
failed_already=1;
return;
}
DPRINTF(("TCP client connecting to server:%d\n", server_port));
if (PR_Connect(sockfd, &netaddr,PR_INTERVAL_NO_TIMEOUT) < 0){
fprintf(stderr, "PR_Connect failed: (%ld, %ld)\n",
PR_GetError(), PR_GetOSError());
failed_already=1;
return;
}
for (j = 0; j < num_tcp_mesgs_per_connection; j++) {
/*
* fill in random data
*/
memset(out_buf->data, ((PRInt32) (&netaddr)) + i + j, bytes);
/*
* write to server
*/
if (writen(sockfd, out_buf->data, bytes) < bytes) {
fprintf(stderr,"%s: ERROR - TCP_Client:writen\n", program_name);
failed_already=1;
return;
}
/*
DPRINTF(("TCP Client [0x%lx]: out_buf = 0x%lx out_buf[0] = 0x%lx\n",
PR_GetCurrentThread(), out_buf, (*((int *) out_buf->data))));
*/
if (readn(sockfd, in_buf->data, bytes) < bytes) {
fprintf(stderr,"%s: ERROR - TCP_Client:readn\n", program_name);
failed_already=1;
return;
}
/*
* verify the data read
*/
if (memcmp(in_buf->data, out_buf->data, bytes) != 0) {
fprintf(stderr,"%s: ERROR - data corruption\n", program_name);
failed_already=1;
return;
}
}
/*
* shutdown reads and writes
*/
if (PR_Shutdown(sockfd, PR_SHUTDOWN_BOTH) < 0) {
fprintf(stderr,"%s: ERROR - PR_Shutdown\n", program_name);
failed_already=1;
}
PR_Close(sockfd);
}
PR_DELETE(out_buf);
PR_DELETE(in_buf);
/*
* Decrement exit_counter and notify parent thread
*/
PR_EnterMonitor(cp->exit_mon);
--(*cp->exit_counter);
PR_Notify(cp->exit_mon);
PR_ExitMonitor(cp->exit_mon);
DPRINTF(("TCP_Client exiting\n"));
}
/*
* TCP_Socket_Client_Server_Test - concurrent server test
*
* Each client connects to the server and sends a chunk of data
* For each connection, server reads the data
* from the client and sends it back to the client, unmodified.
* Each client checks that data received from server is same as the
* data it sent to the server.
*
*/
static PRInt32
TCP_Socket_Client_Server_Test(void)
{
int i;
Client_Param *cparamp;
PRMonitor *mon2;
PRInt32 datalen;
PRInt32 connections = 0;
PRThread *thr;
datalen = tcp_mesg_size;
connections = 0;
mon2 = PR_NewMonitor();
if (mon2 == NULL) {
fprintf(stderr,"%s: PR_NewMonitor failed\n", program_name);
failed_already=1;
return -1;
}
/*
* Start client jobs
*/
cparamp = PR_NEW(Client_Param);
if (cparamp == NULL) {
fprintf(stderr,"%s: PR_NEW failed\n", program_name);
failed_already=1;
return -1;
}
cparamp->server_addr.inet.family = PR_AF_INET;
cparamp->server_addr.inet.port = PR_htons(server_port);
cparamp->server_addr.inet.ip = PR_htonl(PR_INADDR_LOOPBACK);
cparamp->exit_mon = mon2;
cparamp->exit_counter = &connections;
cparamp->datalen = datalen;
for (i = 0; i < num_tcp_clients; i++) {
thr = PR_CreateThread(PR_USER_THREAD, TCP_Client, (void *)cparamp,
PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_UNJOINABLE_THREAD, 0);
if (NULL == thr) {
fprintf(stderr,"%s: PR_CreateThread failed\n", program_name);
failed_already=1;
return -1;
}
PR_EnterMonitor(mon2);
connections++;
PR_ExitMonitor(mon2);
DPRINTF(("Created TCP client = 0x%lx\n", thr));
}
/* Wait for client jobs to exit */
PR_EnterMonitor(mon2);
while (0 != connections) {
PR_Wait(mon2, PR_INTERVAL_NO_TIMEOUT);
DPRINTF(("Client job count = %d\n", connections));
}
PR_ExitMonitor(mon2);
printf("%30s","TCP_Socket_Client_Server_Test:");
printf("%2ld Server %2ld Clients %2ld connections_per_client\n",1l,
num_tcp_clients, num_tcp_connections_per_client);
printf("%30s %2ld messages_per_connection %4ld bytes_per_message\n",":",
num_tcp_mesgs_per_connection, tcp_mesg_size);
PR_DELETE(cparamp);
return 0;
}
/************************************************************************/
int main(int argc, char **argv)
{
/*
* -d debug mode
*/
PLOptStatus os;
PLOptState *opt;
program_name = argv[0];
opt = PL_CreateOptState(argc, argv, "dp:");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 'd': /* debug mode */
_debug_on = 1;
break;
case 'p':
server_port = atoi(opt->value);
break;
default:
break;
}
}
PL_DestroyOptState(opt);
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
PR_STDIO_INIT();
PR_SetConcurrency(4);
TCP_Socket_Client_Server_Test();
PR_Cleanup();
if (failed_already)
return 1;
else
return 0;
}