TapTap/FastSync
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: add checksum-aware incremental sync

Browse Source
This commit is contained in:
TapTap
2026-08-08 20:27:26 +02:00
parent e8e9436879
commit 2450b90dd0
20 changed files with 189 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/client/client_cli.c
+8
View File
@@ -461,6 +461,14 @@ static int parse_args(Config* config, int argc, char* argv[], int* positional_ar
return -1;
free(config->compress_choice);
config->compress_choice = dup;
if (strcmp(config->compress_choice, "zstd") == 0)
config->use_compression = true;
else if (strcmp(config->compress_choice, "none") == 0)
config->use_compression = false;
else {
fprintf(stderr, "Error: --compress-choice must be 'zstd' or 'none'\n");
return -1;
}
} else if (strcmp(argv[i], "--compress-level") == 0 && i + 1 < argc) {
int val;
if (!parse_positive_int(argv[++i], &val)) {
src/client/client_send.c
+10 -3
View File
@@ -67,7 +67,8 @@ static int send_delete_manifest(int fd, ArrayList* manifest) {
return 0;
}
static int incremental_check(Client* client, File* file, DeltaSignature** out_sig) {
static int incremental_check(Client* client, File* file, const Config* config,
DeltaSignature** out_sig) {
*out_sig = NULL;
if (!send_status(client->file_descriptor, STATUS_CHECK))
return -1;
@@ -79,6 +80,12 @@ static int incremental_check(Client* client, File* file, DeltaSignature** out_si
return -1;
if (!send_n_data(client->file_descriptor, &mtime, sizeof(mtime)))
return -1;
if (config->checksum) {
uint64_t checksum;
if (!file_checksum(file, &checksum) ||
!send_n_data(client->file_descriptor, &checksum, sizeof(checksum)))
return -1;
}
Status s;
if (!receive_status(client->file_descriptor, &s))
return -1;
@@ -176,7 +183,7 @@ static int send_single_file(Client* client, File* file, Config* config, bool use
// Incremental path: use sendfile for the actual data if enabled and no compression
if (use_sendfile) {
DeltaSignature* sig = NULL;
int rc = incremental_check(client, file, &sig);
int rc = incremental_check(client, file, config, &sig);
if (rc == 1) {
delta_signature_destroy(sig);
return 1;
@@ -202,7 +209,7 @@ static int send_single_file(Client* client, File* file, Config* config, bool use
// Incremental path with single_calls (supports compression and delta)
file_send_fn send_fn = (file_send_fn)file_send_single_calls;
DeltaSignature* sig = NULL;
int rc = incremental_check(client, file, &sig);
int rc = incremental_check(client, file, config, &sig);
if (rc < 0) {
delta_signature_destroy(sig);
return -1;