diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libalpm/dload.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c index f7568282..45fabaae 100644 --- a/lib/libalpm/dload.c +++ b/lib/libalpm/dload.c @@ -156,16 +156,18 @@ static int utimes_long(const char *path, long time) static int curl_download_internal(const char *url, const char *localpath, - int force) + int force, int allow_resume) { int ret = -1; FILE *localf = NULL; const char *useragent; const char *open_mode = "wb"; char *destfile, *tempfile; - char hostname[256]; /* RFC1123 states applications should support this length */ + /* RFC1123 states applications should support this length */ + char hostname[256]; + char error_buffer[CURL_ERROR_SIZE]; struct stat st; - long httpresp, timecond, remote_time; + long timecond, remote_time; double remote_size, bytes_dl; struct sigaction sig_pipe[2], sig_int[2]; struct fileinfo dlfile; @@ -188,6 +190,7 @@ static int curl_download_internal(const char *url, const char *localpath, curl_easy_reset(handle->curl); curl_easy_setopt(handle->curl, CURLOPT_URL, url); curl_easy_setopt(handle->curl, CURLOPT_FAILONERROR, 1L); + curl_easy_setopt(handle->curl, CURLOPT_ERRORBUFFER, error_buffer); curl_easy_setopt(handle->curl, CURLOPT_CONNECTTIMEOUT, 10L); curl_easy_setopt(handle->curl, CURLOPT_FILETIME, 1L); curl_easy_setopt(handle->curl, CURLOPT_NOPROGRESS, 0L); @@ -206,9 +209,8 @@ static int curl_download_internal(const char *url, const char *localpath, * our local is out of date. */ curl_easy_setopt(handle->curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE); curl_easy_setopt(handle->curl, CURLOPT_TIMEVALUE, (long)st.st_mtime); - } else if(stat(tempfile, &st) == 0 && st.st_size > 0) { - /* assume its a partial package download. we do not support resuming of - * transfers on partially downloaded sync DBs. */ + } else if(stat(tempfile, &st) == 0 && allow_resume) { + /* a previous partial download exists, resume from end of file. */ open_mode = "ab"; curl_easy_setopt(handle->curl, CURLOPT_RESUME_FROM, (long)st.st_size); _alpm_log(PM_LOG_DEBUG, "tempfile found, attempting continuation"); @@ -243,8 +245,18 @@ static int curl_download_internal(const char *url, const char *localpath, /* perform transfer */ handle->curlerr = curl_easy_perform(handle->curl); + /* was it a success? */ + if(handle->curlerr == CURLE_ABORTED_BY_CALLBACK) { + goto cleanup; + } else if(handle->curlerr != CURLE_OK) { + pm_errno = PM_ERR_LIBCURL; + _alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"), + dlfile.filename, hostname, error_buffer); + unlink(tempfile); + goto cleanup; + } + /* retrieve info about the state of the transfer */ - curl_easy_getinfo(handle->curl, CURLINFO_RESPONSE_CODE, &httpresp); curl_easy_getinfo(handle->curl, CURLINFO_FILETIME, &remote_time); curl_easy_getinfo(handle->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &remote_size); curl_easy_getinfo(handle->curl, CURLINFO_SIZE_DOWNLOAD, &bytes_dl); @@ -252,22 +264,12 @@ static int curl_download_internal(const char *url, const char *localpath, /* time condition was met and we didn't download anything. we need to * clean up the 0 byte .part file that's left behind. */ - if(DOUBLE_EQ(bytes_dl, 0) && timecond == 1) { + if(timecond == 1 && DOUBLE_EQ(bytes_dl, 0)) { ret = 1; unlink(tempfile); goto cleanup; } - if(handle->curlerr == CURLE_ABORTED_BY_CALLBACK) { - goto cleanup; - } else if(handle->curlerr != CURLE_OK) { - pm_errno = PM_ERR_LIBCURL; - _alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"), - dlfile.filename, hostname, curl_easy_strerror(handle->curlerr)); - unlink(tempfile); - goto cleanup; - } - /* remote_size isn't necessarily the full size of the file, just what the * server reported as remaining to download. compare it to what curl reported * as actually being transferred during curl_easy_perform() */ @@ -313,7 +315,7 @@ static int download(const char *url, const char *localpath, { if(handle->fetchcb == NULL) { #ifdef HAVE_LIBCURL - return curl_download_internal(url, localpath, force); + return curl_download_internal(url, localpath, force, 1); #else RET_ERR(PM_ERR_EXTERNAL_DOWNLOAD, -1); #endif |