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/* Copyright (c) 2011-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "iostream-rawlog-private.h"
#include "ostream-private.h"
#include "ostream-rawlog.h"
struct rawlog_ostream {
struct ostream_private ostream;
struct rawlog_iostream riostream;
};
static void o_stream_rawlog_close(struct iostream_private *stream,
bool close_parent)
{
struct rawlog_ostream *rstream =
container_of(stream, struct rawlog_ostream, ostream.iostream);
iostream_rawlog_close(&rstream->riostream);
if (close_parent)
o_stream_close(rstream->ostream.parent);
}
static ssize_t
o_stream_rawlog_sendv(struct ostream_private *stream,
const struct const_iovec *iov, unsigned int iov_count)
{
struct rawlog_ostream *rstream =
container_of(stream, struct rawlog_ostream, ostream);
unsigned int i;
ssize_t ret, bytes;
if ((ret = o_stream_sendv(stream->parent, iov, iov_count)) < 0) {
o_stream_copy_error_from_parent(stream);
return -1;
}
bytes = ret;
for (i = 0; i < iov_count && bytes > 0; i++) {
if (iov[i].iov_len < (size_t)bytes) {
iostream_rawlog_write(&rstream->riostream,
iov[i].iov_base, iov[i].iov_len);
bytes -= iov[i].iov_len;
} else {
iostream_rawlog_write(&rstream->riostream,
iov[i].iov_base, bytes);
break;
}
}
stream->ostream.offset += ret;
return ret;
}
struct ostream *
o_stream_create_rawlog(struct ostream *output, const char *rawlog_path,
int rawlog_fd, enum iostream_rawlog_flags flags)
{
struct ostream *rawlog_output;
bool autoclose_fd = (flags & IOSTREAM_RAWLOG_FLAG_AUTOCLOSE) != 0;
i_assert(rawlog_path != NULL);
i_assert(rawlog_fd != -1);
rawlog_output = autoclose_fd ?
o_stream_create_fd_autoclose(&rawlog_fd, 0):
o_stream_create_fd(rawlog_fd, 0);
o_stream_set_name(rawlog_output,
t_strdup_printf("rawlog(%s)", rawlog_path));
return o_stream_create_rawlog_from_stream(output, rawlog_output, flags);
}
struct ostream *
o_stream_create_rawlog_from_stream(struct ostream *output,
struct ostream *rawlog_output,
enum iostream_rawlog_flags flags)
{
struct rawlog_ostream *rstream;
rstream = i_new(struct rawlog_ostream, 1);
rstream->ostream.sendv = o_stream_rawlog_sendv;
rstream->ostream.iostream.close = o_stream_rawlog_close;
rstream->riostream.rawlog_output = rawlog_output;
iostream_rawlog_init(&rstream->riostream, flags, FALSE);
return o_stream_create(&rstream->ostream, output,
o_stream_get_fd(output));
}
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