diff options
Diffstat (limited to 'lib/libalpm/sync.c')
-rw-r--r-- | lib/libalpm/sync.c | 193 |
1 files changed, 118 insertions, 75 deletions
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c index 54b9794a..52049a8c 100644 --- a/lib/libalpm/sync.c +++ b/lib/libalpm/sync.c @@ -686,11 +686,11 @@ static int apply_deltas(alpm_handle_t *handle) } else { /* len = cachedir len + from len + '/' + null */ len = strlen(cachedir) + strlen(d->from) + 2; - CALLOC(from, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, 1)); + MALLOC(from, len, RET_ERR(handle, ALPM_ERR_MEMORY, 1)); snprintf(from, len, "%s/%s", cachedir, d->from); } len = strlen(cachedir) + strlen(d->to) + 2; - CALLOC(to, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, 1)); + MALLOC(to, len, RET_ERR(handle, ALPM_ERR_MEMORY, 1)); snprintf(to, len, "%s/%s", cachedir, d->to); /* build the patch command */ @@ -794,11 +794,92 @@ static int validate_deltas(alpm_handle_t *handle, alpm_list_t *deltas) return 0; } +static struct dload_payload *build_payload(alpm_handle_t *handle, + const char *filename, size_t size, alpm_list_t *servers) +{ + struct dload_payload *payload; + + CALLOC(payload, 1, sizeof(*payload), RET_ERR(handle, ALPM_ERR_MEMORY, NULL)); + STRDUP(payload->remote_name, filename, RET_ERR(handle, ALPM_ERR_MEMORY, NULL)); + payload->max_size = size; + payload->servers = servers; + return payload; +} + +static int find_dl_candidates(alpm_db_t *repo, alpm_list_t **files, alpm_list_t **deltas) +{ + alpm_list_t *i; + alpm_handle_t *handle = repo->handle; + + for(i = handle->trans->add; i; i = i->next) { + alpm_pkg_t *spkg = i->data; + + if(spkg->origin != PKG_FROM_FILE && repo == spkg->origin_data.db) { + alpm_list_t *delta_path = spkg->delta_path; + + if(!repo->servers) { + handle->pm_errno = ALPM_ERR_SERVER_NONE; + _alpm_log(handle, ALPM_LOG_ERROR, "%s: %s\n", + alpm_strerror(handle->pm_errno), repo->treename); + return 1; + } + + if(delta_path) { + /* using deltas */ + alpm_list_t *dlts; + for(dlts = delta_path; dlts; dlts = dlts->next) { + alpm_delta_t *delta = dlts->data; + if(delta->download_size != 0) { + struct dload_payload *payload = build_payload( + handle, delta->delta, delta->download_size, repo->servers); + ASSERT(payload, return -1); + *files = alpm_list_add(*files, payload); + } + /* keep a list of all the delta files for md5sums */ + *deltas = alpm_list_add(*deltas, delta); + } + + } else if(spkg->download_size != 0) { + struct dload_payload *payload; + ASSERT(spkg->filename != NULL, RET_ERR(handle, ALPM_ERR_PKG_INVALID_NAME, -1)); + payload = build_payload(handle, spkg->filename, spkg->size, repo->servers); + ASSERT(payload, return -1); + *files = alpm_list_add(*files, payload); + } + } + } + + return 0; +} + +static int download_single_file(alpm_handle_t *handle, struct dload_payload *payload, + const char *cachedir) +{ + const alpm_list_t *server; + + for(server = payload->servers; server; server = server->next) { + const char *server_url = server->data; + size_t len; + + /* print server + filename into a buffer */ + len = strlen(server_url) + strlen(payload->remote_name) + 2; + MALLOC(payload->fileurl, len, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); + snprintf(payload->fileurl, len, "%s/%s", server_url, payload->remote_name); + payload->handle = handle; + payload->allow_resume = 1; + + if(_alpm_download(payload, cachedir, NULL) != -1) { + return 0; + } + } + + return -1; +} + static int download_files(alpm_handle_t *handle, alpm_list_t **deltas) { const char *cachedir; - alpm_list_t *i, *j; - alpm_list_t *files = NULL; + alpm_list_t *i, *files = NULL; int errors = 0; cachedir = _alpm_filecache_setup(handle); @@ -817,91 +898,53 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas) handle->totaldlcb(total_size); } - /* group sync records by repository and download */ for(i = handle->dbs_sync; i; i = i->next) { - alpm_db_t *current = i->data; - - for(j = handle->trans->add; j; j = j->next) { - alpm_pkg_t *spkg = j->data; - - if(spkg->origin != PKG_FROM_FILE && current == spkg->origin_data.db) { - alpm_list_t *delta_path = spkg->delta_path; - if(delta_path) { - /* using deltas */ - alpm_list_t *dlts; - for(dlts = delta_path; dlts; dlts = dlts->next) { - alpm_delta_t *delta = dlts->data; - if(delta->download_size != 0) { - struct dload_payload *dpayload; - - CALLOC(dpayload, 1, sizeof(*dpayload), RET_ERR(handle, ALPM_ERR_MEMORY, -1)); - STRDUP(dpayload->remote_name, delta->delta, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); - dpayload->max_size = delta->download_size; - - files = alpm_list_add(files, dpayload); - } - /* keep a list of all the delta files for md5sums */ - *deltas = alpm_list_add(*deltas, delta); - } + errors += find_dl_candidates(i->data, &files, deltas); + } - } else if(spkg->download_size != 0) { - struct dload_payload *payload; + if(files) { + /* check for necessary disk space for download */ + if(handle->checkspace) { + off_t *file_sizes; + size_t idx, num_files; + int ret; - ASSERT(spkg->filename != NULL, RET_ERR(handle, ALPM_ERR_PKG_INVALID_NAME, -1)); - CALLOC(payload, 1, sizeof(*payload), RET_ERR(handle, ALPM_ERR_MEMORY, -1)); - STRDUP(payload->remote_name, spkg->filename, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); - payload->max_size = spkg->size; + _alpm_log(handle, ALPM_LOG_DEBUG, "checking available disk space for download\n"); - files = alpm_list_add(files, payload); - } + num_files = alpm_list_count(files); + CALLOC(file_sizes, num_files, sizeof(off_t), goto finish); + for(i = files, idx = 0; i; i = i->next, idx++) { + const struct dload_payload *payload = i->data; + file_sizes[idx] = payload->max_size; } - } - if(files) { - if(!current->servers) { - handle->pm_errno = ALPM_ERR_SERVER_NONE; - _alpm_log(handle, ALPM_LOG_ERROR, "%s: %s\n", - alpm_strerror(handle->pm_errno), current->treename); + ret = _alpm_check_downloadspace(handle, cachedir, num_files, file_sizes); + free(file_sizes); + + if(ret != 0) { errors++; - continue; + goto finish; } + } - EVENT(handle, ALPM_EVENT_RETRIEVE_START, current->treename, NULL); - for(j = files; j; j = j->next) { - struct dload_payload *payload = j->data; - alpm_list_t *server; - int ret = -1; - for(server = current->servers; server; server = server->next) { - const char *server_url = server->data; - size_t len; - - /* print server + filename into a buffer */ - len = strlen(server_url) + strlen(payload->remote_name) + 2; - MALLOC(payload->fileurl, len, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); - snprintf(payload->fileurl, len, "%s/%s", server_url, payload->remote_name); - payload->handle = handle; - payload->allow_resume = 1; - - ret = _alpm_download(payload, cachedir, NULL); - if(ret != -1) { - break; - } - } - if(ret == -1) { - errors++; - _alpm_log(handle, ALPM_LOG_WARNING, _("failed to retrieve some files from %s\n"), - current->treename); - } + EVENT(handle, ALPM_EVENT_RETRIEVE_START, NULL, NULL); + for(i = files; i; i = i->next) { + if(download_single_file(handle, i->data, cachedir) == -1) { + errors++; + _alpm_log(handle, ALPM_LOG_WARNING, _("failed to retrieve some files\n")); } - - alpm_list_free_inner(files, (alpm_list_fn_free)_alpm_dload_payload_reset); - FREELIST(files); } } - for(j = handle->trans->add; j; j = j->next) { - alpm_pkg_t *pkg = j->data; +finish: + if(files) { + alpm_list_free_inner(files, (alpm_list_fn_free)_alpm_dload_payload_reset); + FREELIST(files); + } + + for(i = handle->trans->add; i; i = i->next) { + alpm_pkg_t *pkg = i->data; pkg->infolevel &= ~INFRQ_DSIZE; pkg->download_size = 0; } |