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sync_commit: refactor out file downloads

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This part is almost completely self-contained, except building the list
of delta filenames that we use later to check their md5sums. Refactor it
into a static method so we can bring most of the code in sync_commit
closer to the method name.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2011-04-21 21:40:00 -05:00
parent 225acbbff1
commit 2df1534b78
1 changed files with 37 additions and 32 deletions
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69
lib/libalpm/sync.c
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@ -687,18 +687,12 @@ static int test_md5sum(pmtrans_t *trans, const char *filepath,
return ret;
}
int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
static int download_files(pmtrans_t *trans, alpm_list_t **deltas)
{
alpm_list_t *i, *j, *k;
alpm_list_t *files = NULL, *deltas = NULL;
size_t numtargs, current = 0, replaces = 0;
const char *cachedir;
alpm_list_t *i, *j;
alpm_list_t *files = NULL;
int errors = 0;
const char *cachedir = NULL;
int ret = -1;
ALPM_LOG_FUNC;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
cachedir = _alpm_filecache_setup();
trans->state = STATE_DOWNLOADING;
@ -731,26 +725,18 @@ int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
alpm_list_t *delta_path = spkg->delta_path;
if(delta_path) {
/* using deltas */
alpm_list_t *dlts = NULL;
alpm_list_t *dlts;
for(dlts = delta_path; dlts; dlts = dlts->next) {
pmdelta_t *d = dlts->data;
if(d->download_size != 0) {
/* add the delta filename to the download list if needed */
files = alpm_list_add(files, strdup(d->delta));
pmdelta_t *delta = dlts->data;
if(delta->download_size != 0) {
files = alpm_list_add(files, strdup(delta->delta));
}
/* keep a list of all the delta files for md5sums */
deltas = alpm_list_add(deltas, d);
*deltas = alpm_list_add(*deltas, delta);
}
} else {
/* not using deltas */
if(spkg->download_size != 0) {
/* add the filename to the download list if needed */
files = alpm_list_add(files, strdup(fname));
}
} else if(spkg->download_size != 0) {
files = alpm_list_add(files, strdup(fname));
}
}
@ -760,15 +746,17 @@ int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
EVENT(trans, PM_TRANS_EVT_RETRIEVE_START, current->treename, NULL);
for(j = files; j; j = j->next) {
const char *filename = j->data;
for(k = current->servers; k; k = k->next) {
const char *server = k->data;
alpm_list_t *server;
for(server = current->servers; server; server = server->next) {
const char *server_url = server->data;
char *fileurl;
size_t len;
int ret;
/* print server + filename into a buffer */
len = strlen(server) + strlen(filename) + 2;
len = strlen(server_url) + strlen(filename) + 2;
CALLOC(fileurl, len, sizeof(char), RET_ERR(PM_ERR_MEMORY, -1));
snprintf(fileurl, len, "%s/%s", server, filename);
snprintf(fileurl, len, "%s/%s", server_url, filename);
ret = _alpm_download(fileurl, cachedir, 0, 1, 0);
FREE(fileurl);
@ -779,15 +767,15 @@ int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
}
}
FREELIST(files);
if(errors) {
_alpm_log(PM_LOG_WARNING, _("failed to retrieve some files from %s\n"),
current->treename);
if(pm_errno == 0) {
pm_errno = PM_ERR_RETRIEVE;
}
goto error;
return -1;
}
FREELIST(files);
}
}
@ -801,6 +789,24 @@ int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
if(handle->totaldlcb) {
handle->totaldlcb(0);
}
return 0;
}
int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
{
alpm_list_t *i;
alpm_list_t *deltas = NULL;
size_t numtargs, current = 0, replaces = 0;
int errors = 0;
int ret = -1;
ALPM_LOG_FUNC;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
if(download_files(trans, &deltas)) {
goto error;
}
/* if we have deltas to work with */
if(handle->usedelta && deltas) {
@ -969,7 +975,6 @@ int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
ret = 0;
error:
FREELIST(files);
alpm_list_free(deltas);
return ret;
}