diff options
Diffstat (limited to 'src/grp-journal-remote/systemd-journal-remote/journal-remote-parse.h')
-rw-r--r-- | src/grp-journal-remote/systemd-journal-remote/journal-remote-parse.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/grp-journal-remote/systemd-journal-remote/journal-remote-parse.h b/src/grp-journal-remote/systemd-journal-remote/journal-remote-parse.h new file mode 100644 index 0000000000..4f47ea89d6 --- /dev/null +++ b/src/grp-journal-remote/systemd-journal-remote/journal-remote-parse.h @@ -0,0 +1,69 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2014 Zbigniew Jędrzejewski-Szmek + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <systemd/sd-event.h> + +#include "journal-remote-write.h" + +typedef enum { + STATE_LINE = 0, /* waiting to read, or reading line */ + STATE_DATA_START, /* reading binary data header */ + STATE_DATA, /* reading binary data */ + STATE_DATA_FINISH, /* expecting newline */ + STATE_EOF, /* done */ +} source_state; + +typedef struct RemoteSource { + char *name; + int fd; + bool passive_fd; + + char *buf; + size_t size; /* total size of the buffer */ + size_t offset; /* offset to the beginning of live data in the buffer */ + size_t scanned; /* number of bytes since the beginning of data without a newline */ + size_t filled; /* total number of bytes in the buffer */ + + size_t field_len; /* used for binary fields: the field name length */ + size_t data_size; /* and the size of the binary data chunk being processed */ + + struct iovec_wrapper iovw; + + source_state state; + dual_timestamp ts; + + Writer *writer; + + sd_event_source *event; + sd_event_source *buffer_event; +} RemoteSource; + +RemoteSource* source_new(int fd, bool passive_fd, char *name, Writer *writer); + +static inline size_t source_non_empty(RemoteSource *source) { + assert(source); + + return source->filled; +} + +void source_free(RemoteSource *source); +int push_data(RemoteSource *source, const char *data, size_t size); +int process_source(RemoteSource *source, bool compress, bool seal); |