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add wolfSSL_write_dup(), creates write_only WOLFSSL to allow concurrent access

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This commit is contained in:
toddouska
2017-03-20 15:08:34 -07:00
parent 52215b3ecf
commit 15423428ed
9 changed files with 400 additions and 75 deletions
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22
examples/echoserver/echoserver.c
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@@ -241,7 +241,8 @@ THREAD_RETURN CYASSL_THREAD echoserver_test(void* args)
SignalReady(args, port);
while (!shutDown) {
CYASSL* ssl = 0;
CYASSL* ssl = NULL;
CYASSL* write_ssl = NULL; /* may have separate w/ HAVE_WRITE_DUP */
char command[SVR_COMMAND_SIZE+1];
int echoSz = 0;
int clientfd;
@@ -308,6 +309,18 @@ THREAD_RETURN CYASSL_THREAD echoserver_test(void* args)
showPeer(ssl);
#endif
#ifdef HAVE_WRITE_DUP
write_ssl = wolfSSL_write_dup(ssl);
if (write_ssl == NULL) {
printf("wolfSSL_write_dup failed\n");
CyaSSL_free(ssl);
CloseSocket(clientfd);
continue;
}
#else
write_ssl = ssl;
#endif
while ( (echoSz = CyaSSL_read(ssl, command, sizeof(command)-1)) > 0) {
if (firstRead == 1) {
@@ -354,7 +367,7 @@ THREAD_RETURN CYASSL_THREAD echoserver_test(void* args)
strncpy(&command[echoSz], footer, sizeof(footer));
echoSz += (int)sizeof(footer);
if (CyaSSL_write(ssl, command, echoSz) != echoSz)
if (CyaSSL_write(write_ssl, command, echoSz) != echoSz)
err_sys("SSL_write failed");
break;
}
@@ -364,11 +377,14 @@ THREAD_RETURN CYASSL_THREAD echoserver_test(void* args)
fputs(command, fout);
#endif
if (CyaSSL_write(ssl, command, echoSz) != echoSz)
if (CyaSSL_write(write_ssl, command, echoSz) != echoSz)
err_sys("SSL_write failed");
}
#ifndef CYASSL_DTLS
CyaSSL_shutdown(ssl);
#endif
#ifdef HAVE_WRITE_DUP
CyaSSL_free(write_ssl);
#endif
CyaSSL_free(ssl);
CloseSocket(clientfd);