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Comment:Updated EOF while reading from the BIO to map to soft EOF
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SHA1: 24ce678ecdb2307bda85c7aba9a9fe2d07a0b89e
User & Date: rkeene 2016-12-14 14:40:45
Context
2016-12-14
14:45
Made trunk builds identify as TclTLS 1.8.0 check-in: f625a3272a user: rkeene tags: trunk
14:42
Merged in trunk check-in: a87c836d6c user: rkeene tags: tls-1-7
14:40
Updated EOF while reading from the BIO to map to soft EOF check-in: 24ce678ecd user: rkeene tags: trunk
01:10
Minor update to the README check-in: c920627e0b user: rkeene tags: trunk
Changes
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Changes to tlsBIO.c.

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	tclErrno = Tcl_GetErrno();

	dprintf("[chan=%p] BioWrite(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, Tcl_GetErrno());

	BIO_clear_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);

	if (tclEofChan && ret <= 0) {
		dprintf("Got %i from Tcl_WriteRaw, and EOF is set; ret = -1", ret);
		Tcl_SetErrno(ECONNRESET);
		ret = -1;
	} else if (ret == 0) {
		dprintf("Got 0 from Tcl_WriteRaw, and EOF is not set; ret = 0");
		dprintf("Setting retry read flag");
		BIO_set_retry_read(bio);
	} else if (ret < 0) {
		dprintf("We got some kind of I/O error");









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	tclErrno = Tcl_GetErrno();

	dprintf("[chan=%p] BioWrite(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, Tcl_GetErrno());

	BIO_clear_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);

	if (tclEofChan && ret <= 0) {
		dprintf("Got EOF while reading, returning a Connection Reset error which maps to Soft EOF");
		Tcl_SetErrno(ECONNRESET);
		ret = 0;
	} else if (ret == 0) {
		dprintf("Got 0 from Tcl_WriteRaw, and EOF is not set; ret = 0");
		dprintf("Setting retry read flag");
		BIO_set_retry_read(bio);
	} else if (ret < 0) {
		dprintf("We got some kind of I/O error");
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	tclErrno = Tcl_GetErrno();

	dprintf("[chan=%p] BioRead(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, tclErrno);

	BIO_clear_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);

	if (tclEofChan && ret <= 0) {
		dprintf("Got %i from Tcl_Read or Tcl_ReadRaw, and EOF is set; ret = -1", ret);
		Tcl_SetErrno(ECONNRESET);
		ret = -1;
	} else if (ret == 0) {
		dprintf("Got 0 from Tcl_Read or Tcl_ReadRaw, and EOF is not set; ret = 0");
		dprintf("Setting retry read flag");
		BIO_set_retry_read(bio);
	} else if (ret < 0) {
		dprintf("We got some kind of I/O error");









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	tclErrno = Tcl_GetErrno();

	dprintf("[chan=%p] BioRead(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, tclErrno);

	BIO_clear_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);

	if (tclEofChan && ret <= 0) {
		dprintf("Got EOF while reading, returning a Connection Reset error which maps to Soft EOF");
		Tcl_SetErrno(ECONNRESET);
		ret = 0;
	} else if (ret == 0) {
		dprintf("Got 0 from Tcl_Read or Tcl_ReadRaw, and EOF is not set; ret = 0");
		dprintf("Setting retry read flag");
		BIO_set_retry_read(bio);
	} else if (ret < 0) {
		dprintf("We got some kind of I/O error");
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