TapTap/FastSync
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feat(p5-rsh): --rsh/-e, --rsync-path, --blocking-io, --outbuf

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TapTap
2026-09-09 13:41:28 +02:00
parent 90ccf297d7
commit 858af3d63d
12 changed files with 462 additions and 42 deletions
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src/client/client_cli.c
+43
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@@ -194,6 +194,35 @@ static int set_stderr_mode(const char* value) {
return 0;
}
/* Parse --outbuf=N|L|B into the config's OutbufMode. N=none (unbuffered),
* L=line-buffered, B=block-buffered (the stdio default). Anything else is a
* clear error, never a silent fallback. */
static int set_outbuf_option(Config* config, const char* value) {
if (strcmp(value, "N") == 0 || strcmp(value, "n") == 0)
config->outbuf = OUTBUF_NONE;
else if (strcmp(value, "L") == 0 || strcmp(value, "l") == 0)
config->outbuf = OUTBUF_LINE;
else if (strcmp(value, "B") == 0 || strcmp(value, "b") == 0)
config->outbuf = OUTBUF_BLOCK;
else {
log_message(LOG_LEVEL_ERROR, "--outbuf must be N (none), L (line), or B (block)");
return -1;
}
return 0;
}
#ifndef FASTSYNC_TEST_BUILD
/* Apply the parsed --outbuf style to stdout/stderr via setvbuf, matching stdio
* semantics: N -> _IONBF (unbuffered), L -> _IOLBF (line), B -> _IOFBF (block,
* the default). */
static void apply_output_buffering(const Config* config) {
int mode = config->outbuf;
int stdio_mode = (mode == OUTBUF_NONE) ? _IONBF : (mode == OUTBUF_LINE) ? _IOLBF : _IOFBF;
setvbuf(stdout, NULL, stdio_mode, 0);
setvbuf(stderr, NULL, stdio_mode, 0);
}
#endif
static int read_patterns_from_file(const char* filepath, char*** patterns, int* count);
static int parse_debug_flags(const char* value, Config* config) {
@@ -472,6 +501,8 @@ static const OptionEntry OPTION_TABLE[] = {
{"--secluded-args", NULL, OPT_NOOP, 0},
{"--update", "-u", OPT_FLAG, offsetof(Config, update)},
{"--old-args", NULL, OPT_FLAG, offsetof(Config, old_args)},
{"--rsh", "-e", OPT_STRING, offsetof(Config, rsh_command)},
{"--blocking-io", NULL, OPT_FLAG, offsetof(Config, blocking_io)},
{"--links", "-l", OPT_FLAG, offsetof(Config, follow_symlinks)},
{"--copy-links", NULL, OPT_FLAG, offsetof(Config, copy_links)},
{"--safe-links", NULL, OPT_FLAG, offsetof(Config, safe_links)},
@@ -521,6 +552,9 @@ static const OptionEntry OPTION_TABLE[] = {
{"--ca", NULL, OPT_STRING, offsetof(Config, tls_ca)},
{"--backup-dir", NULL, OPT_STRING, offsetof(Config, backup_dir)},
{"--fastsync-server-path", NULL, OPT_STRING, offsetof(Config, fastsync_server_path)},
/* --rsync-path is rsync's spelling for the same "server program path"; it
* is a pure alias for fastsync_server_path (never a distinct field). */
{"--rsync-path", NULL, OPT_STRING, offsetof(Config, fastsync_server_path)},
{"--temp-dir", NULL, OPT_STRING, offsetof(Config, temp_dir)},
{"--partial-dir", NULL, OPT_STRING, offsetof(Config, partial_dir)},
{"--suffix", NULL, OPT_STRING, offsetof(Config, suffix)},
@@ -1191,6 +1225,12 @@ int parse_args(Config* config, int argc, char* argv[], int* positional_args,
if (identity_parse_chown(config, argv[++i]) != 0)
return -1;
config->use_metadata = true;
} else if (strncmp(argv[i], "--outbuf=", 9) == 0) {
if (set_outbuf_option(config, argv[i] + 9) != 0)
return -1;
} else if (opt_is(argv[i], "--outbuf", NULL)) {
if (i + 1 >= argc || set_outbuf_option(config, argv[++i]) != 0)
return -1;
} else if (argv[i][0] == '-') {
char* escaped = output_escape(argv[i], false);
fprintf(stderr, "Unknown option: %s\n", escaped ? escaped : "<allocation failed>");
@@ -1395,6 +1435,9 @@ int main(int argc, char* argv[]) {
goto cleanup;
}
/* Apply the requested --outbuf style now that the mode is parsed. */
apply_output_buffering(config);
/* --open-noatime is a sender-side policy: install it for every source read
(scan + data path) without touching the receiver. */
file_set_open_noatime(config->open_noatime);