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/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
Copyright 2014 Zbigniew Jędrzejewski-Szmek
***/
#include "alloc-util.h"
#include "fd-util.h"
#include "journal-remote-parse.h"
#include "journald-native.h"
#include "parse-util.h"
#include "string-util.h"
void source_free(RemoteSource *source) {
if (!source)
return;
journal_importer_cleanup(&source->importer);
log_debug("Writer ref count %i", source->writer->n_ref);
writer_unref(source->writer);
sd_event_source_unref(source->event);
sd_event_source_unref(source->buffer_event);
free(source);
}
/**
* Initialize zero-filled source with given values. On success, takes
* ownership of fd, name, and writer, otherwise does not touch them.
*/
RemoteSource* source_new(int fd, bool passive_fd, char *name, Writer *writer) {
RemoteSource *source;
log_debug("Creating source for %sfd:%d (%s)",
passive_fd ? "passive " : "", fd, name);
assert(fd >= 0);
source = new0(RemoteSource, 1);
if (!source)
return NULL;
source->importer.fd = fd;
source->importer.passive_fd = passive_fd;
source->importer.name = name;
source->writer = writer;
return source;
}
int process_source(RemoteSource *source, bool compress, bool seal) {
int r;
assert(source);
assert(source->writer);
r = journal_importer_process_data(&source->importer);
if (r <= 0)
return r;
/* We have a full event */
log_trace("Received full event from source@%p fd:%d (%s)",
source, source->importer.fd, source->importer.name);
if (source->importer.iovw.count == 0) {
log_warning("Entry with no payload, skipping");
goto freeing;
}
assert(source->importer.iovw.iovec);
r = writer_write(source->writer, &source->importer.iovw, &source->importer.ts, compress, seal);
if (r == -EBADMSG) {
log_error_errno(r, "Entry is invalid, ignoring.");
r = 0;
} else if (r < 0)
log_error_errno(r, "Failed to write entry of %zu bytes: %m",
iovw_size(&source->importer.iovw));
else
r = 1;
freeing:
journal_importer_drop_iovw(&source->importer);
return r;
}
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