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Enhnacement to the tls_bench tool to support new -S command to indicate total size of data to exchange. Previously was just sending one packet back and forth. Imporved the shutdown handling code.

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This commit is contained in:
David Garske
2019-02-12 13:22:44 -08:00
parent 1a8388641d
commit e0b46734d6
1 changed files with 138 additions and 102 deletions
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88
examples/benchmark/tls_bench.c
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@ -82,7 +82,8 @@ bench_tls(args);
#define NUM_THREAD_PAIRS 1 /* Thread pairs of server/client */
#define BENCH_RUNTIME_SEC 1
#define MEM_BUFFER_SZ ((16 * 1024) + 38 + 32) /* Must be large enough to handle max packet size plus max TLS header MAX_MSG_EXTRA */
#define TEST_PACKET_SIZE (16 * 1024) /* max TLS packet size */
#define TEST_PACKET_SIZE (16 * 1024) /* TLS packet size */
#define TEST_MAX_SIZE (16 * 1024) /* Total bytes to benchmark */
#define SHOW_VERBOSE 0 /* Default output is tab delimited format */
static const char* kShutdown = "shutdown";
@ -243,6 +244,7 @@ typedef struct {
const char* host;
word32 port;
int packetSize; /* The data payload size in the packet */
int maxSize;
int runTimeSec;
int showPeerInfo;
int showVerbose;
@ -599,6 +601,7 @@ static int bench_tls_client(info_t* info)
WOLFSSL* cli_ssl = NULL;
int haveShownPeerInfo = 0;
int tls13 = XSTRNCMP(info->cipher, "TLS13", 5) == 0;
int total_sz;
total = gettime_secs(0);
@ -653,11 +656,7 @@ static int bench_tls_client(info_t* info)
/* Allocate and initialize a packet sized buffer */
writeBuf = (unsigned char*)XMALLOC(info->packetSize, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (writeBuf != NULL) {
XMEMSET(writeBuf, 0, info->packetSize);
XSTRNCPY((char*)writeBuf, kTestStr, info->packetSize);
}
else {
if (writeBuf == NULL) {
printf("failed to allocate write memory\n");
ret = MEMORY_E; goto exit;
}
@ -677,17 +676,6 @@ static int bench_tls_client(info_t* info)
int err;
#endif
/* check for run time completion and issue shutdown */
if (gettime_secs(0) - total >= info->runTimeSec) {
info->client.shutdown = 1;
writeSz = (int)XSTRLEN(kShutdown) + 1;
XMEMCPY(writeBuf, kShutdown, writeSz); /* include null term */
if (info->showVerbose) {
printf("Sending shutdown\n");
}
}
#ifdef HAVE_PTHREAD
if (!info->useLocalMem)
#endif
@ -732,6 +720,32 @@ static int bench_tls_client(info_t* info)
showPeer(cli_ssl);
}
/* check for run time completion and issue shutdown */
if (gettime_secs(0) - total >= info->runTimeSec) {
info->client.shutdown = 1;
writeSz = (int)XSTRLEN(kShutdown) + 1;
XMEMCPY(writeBuf, kShutdown, writeSz); /* include null term */
if (info->showVerbose) {
printf("Sending shutdown\n");
}
ret = wolfSSL_write(cli_ssl, writeBuf, writeSz);
if (ret < 0) {
printf("error on client write\n");
ret = wolfSSL_get_error(cli_ssl, ret);
goto exit;
}
}
else {
XMEMSET(writeBuf, 0, info->packetSize);
XSTRNCPY((char*)writeBuf, kTestStr, info->packetSize);
}
/* write / read echo loop */
ret = 0;
total_sz = 0;
while (ret == 0 && total_sz < info->maxSize && !info->client.shutdown) {
/* write test message to server */
start = gettime_secs(1);
#ifndef BENCH_USE_NONBLOCK
@ -750,6 +764,7 @@ static int bench_tls_client(info_t* info)
goto exit;
}
info->client_stats.txTotal += ret;
total_sz += ret;
/* read echo of message from server */
XMEMSET(readBuf, 0, readBufSz);
@ -778,6 +793,7 @@ static int bench_tls_client(info_t* info)
ret = wolfSSL_get_error(cli_ssl, ret);
goto exit;
}
}
CloseAndCleanupSocket(&info->client.sockFd);
@ -906,6 +922,7 @@ static int bench_tls_server(info_t* info)
WOLFSSL_CTX* srv_ctx = NULL;
WOLFSSL* srv_ssl = NULL;
int tls13 = XSTRNCMP(info->cipher, "TLS13", 5) == 0;
int total_sz;
/* set up server */
#ifdef WOLFSSL_TLS13
@ -1036,6 +1053,12 @@ static int bench_tls_server(info_t* info)
info->server_stats.connTime += start;
info->server_stats.connCount++;
/* echo loop */
ret = 0;
total_sz = 0;
while (ret == 0 && total_sz < info->maxSize) {
double rxTime;
/* read message from client */
XMEMSET(readBuf, 0, readBufSz);
start = gettime_secs(1);
@ -1048,7 +1071,19 @@ static int bench_tls_server(info_t* info)
}
while (err == WOLFSSL_ERROR_WANT_READ);
#endif
info->server_stats.rxTime += gettime_secs(0) - start;
rxTime = gettime_secs(0) - start;
/* shutdown signals, no more connections for this cipher */
if (XSTRSTR((const char*)readBuf, kShutdown) != NULL) {
info->server.shutdown = 1;
if (info->showVerbose) {
printf("Server shutdown done\n");
}
ret = 0; /* success */
break;
}
info->server_stats.rxTime += rxTime;
if (ret < 0) {
printf("error on server read\n");
ret = wolfSSL_get_error(srv_ssl, ret);
@ -1056,6 +1091,7 @@ static int bench_tls_server(info_t* info)
}
info->server_stats.rxTotal += ret;
len = ret;
total_sz += ret;
/* write message back to client */
start = gettime_secs(1);
@ -1076,13 +1112,6 @@ static int bench_tls_server(info_t* info)
}
info->server_stats.txTotal += ret;
ret = 0; /* reset return code */
/* shutdown signals, no more connections for this cipher */
if (XSTRSTR((const char*)readBuf, kShutdown) != NULL) {
info->server.shutdown = 1;
if (info->showVerbose) {
printf("Server shutdown done\n");
}
}
CloseAndCleanupSocket(&info->server.sockFd);
@ -1188,6 +1217,7 @@ static void Usage(void)
printf("-l <str> Cipher suite list (: delimited)\n");
printf("-t <num> Time <num> (seconds) to run each test (default %d)\n", BENCH_RUNTIME_SEC);
printf("-p <num> The packet size <num> in bytes [1-16kB] (default %d)\n", TEST_PACKET_SIZE);
printf("-S <num> The total size <num> in bytes (default %d)\n", TEST_MAX_SIZE);
printf("-v Show verbose output\n");
#ifdef DEBUG_WOLFSSL
printf("-d Enable debug messages\n");
@ -1227,6 +1257,7 @@ int bench_tls(void* args)
int argRuntimeSec = BENCH_RUNTIME_SEC;
char *argCipherList = NULL;
int argTestPacketSize = TEST_PACKET_SIZE;
int argTestMaxSize = TEST_MAX_SIZE;
int argThreadPairs = NUM_THREAD_PAIRS;
int argShowVerbose = SHOW_VERBOSE;
int argClientOnly = 0;
@ -1249,7 +1280,7 @@ int bench_tls(void* args)
wolfSSL_Init();
/* Parse command line arguments */
while ((ch = mygetopt(argc, argv, "?" "deil:p:t:vT:sch:P:m")) != -1) {
while ((ch = mygetopt(argc, argv, "?" "deil:p:t:vT:sch:P:mS:")) != -1) {
switch (ch) {
case '?' :
Usage();
@ -1298,6 +1329,10 @@ int bench_tls(void* args)
}
break;
case 'S' :
argTestMaxSize = atoi(myoptarg);
break;
case 't' :
argRuntimeSec = atoi(myoptarg);
break;
@ -1391,6 +1426,7 @@ int bench_tls(void* args)
info->cipher = cipher;
info->packetSize = argTestPacketSize;
info->runTimeSec = argRuntimeSec;
info->maxSize = argTestMaxSize;
info->showPeerInfo = argShowPeerInfo;
info->showVerbose = argShowVerbose;
#ifndef NO_WOLFSSL_SERVER