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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:44:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:44:55 +0000 |
commit | 5068d34c08f951a7ea6257d305a1627b09a95817 (patch) | |
tree | 08213e2be853396a3b07ce15dbe222644dcd9a89 /src/tailer/tailer.c | |
parent | Initial commit. (diff) | |
download | lnav-5068d34c08f951a7ea6257d305a1627b09a95817.tar.xz lnav-5068d34c08f951a7ea6257d305a1627b09a95817.zip |
Adding upstream version 0.11.1.upstream/0.11.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/tailer/tailer.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/tailer/tailer.c b/src/tailer/tailer.c new file mode 100644 index 0000000..c8fbfbf --- /dev/null +++ b/src/tailer/tailer.c @@ -0,0 +1,100 @@ +/** + * Copyright (c) 2021, Timothy Stack + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * * Neither the name of Timothy Stack nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __COSMOPOLITAN__ +#include <assert.h> +#include <string.h> +#include <unistd.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdint.h> +#endif + +#include "sha-256.h" +#include "tailer.h" + +ssize_t send_packet(int fd, + tailer_packet_type_t tpt, + tailer_packet_payload_type_t payload_type, + ...) +{ + va_list args; + int done = 0; + + va_start(args, payload_type); + write(fd, &tpt, sizeof(tpt)); + do { + write(fd, &payload_type, sizeof(payload_type)); + switch (payload_type) { + case TPPT_STRING: { + char *str = va_arg(args, char *); + uint32_t length = strlen(str); + + write(fd, &length, sizeof(length)); + write(fd, str, length); + break; + } + case TPPT_HASH: { + const char *hash = va_arg(args, const char *); + + write(fd, hash, SHA256_BLOCK_SIZE); + break; + } + case TPPT_INT64: { + int64_t i = va_arg(args, int64_t); + + write(fd, &i, sizeof(i)); + break; + } + case TPPT_BITS: { + int32_t length = va_arg(args, int32_t); + const char *bits = va_arg(args, const char *); + + write(fd, &length, sizeof(length)); + write(fd, bits, length); + break; + } + case TPPT_DONE: { + done = 1; + break; + } + default: { + assert(0); + break; + } + } + + if (!done) { + payload_type = va_arg(args, tailer_packet_payload_type_t); + } + } while (!done); + va_end(args); + + return 0; +} |