[pacman-dev] [PATCH 3/4] absorb some _alpm_download params into payload struct

Dave Reisner d at falconindy.com
Fri Jul 1 08:59:25 EDT 2011


Restore some sanity to the number of arguments passed to _alpm_download
and curl_download_internal.

Signed-off-by: Dave Reisner <dreisner at archlinux.org>
---
 lib/libalpm/be_sync.c |   12 +++--
 lib/libalpm/dload.c   |  118 ++++++++++++++++++++++++------------------------
 lib/libalpm/dload.h   |    9 +++-
 lib/libalpm/sync.c    |    4 +-
 4 files changed, 76 insertions(+), 67 deletions(-)

diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index 65420cf..9a3046a 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -188,8 +188,10 @@ int SYMEXPORT alpm_db_update(int force, alpm_db_t *db)
 		len = strlen(server) + strlen(db->treename) + 9;
 		CALLOC(payload->fileurl, len, sizeof(char), RET_ERR(handle, PM_ERR_MEMORY, -1));
 		snprintf(payload->fileurl, len, "%s/%s.db", server, db->treename);
+		payload->handle = handle;
+		payload->force = force;
 
-		ret = _alpm_download(handle, payload, syncpath, NULL, force, 0, 0);
+		ret = _alpm_download(payload, syncpath, NULL);
 
 		if(ret == 0 && (check_sig == PM_PGP_VERIFY_ALWAYS ||
 					check_sig == PM_PGP_VERIFY_OPTIONAL)) {
@@ -202,16 +204,18 @@ int SYMEXPORT alpm_db_update(int force, alpm_db_t *db)
 			unlink(sigpath);
 			free(sigpath);
 
-			int errors_ok = (check_sig == PM_PGP_VERIFY_OPTIONAL);
 			/* if we downloaded a DB, we want the .sig from the same server */
 			snprintf(payload->fileurl, len, "%s/%s.db.sig", server, db->treename);
+			payload->handle = handle;
+			payload->force = 1;
+			payload->errors_ok = (check_sig == PM_PGP_VERIFY_OPTIONAL);
 
 			/* set hard upper limited of 16KiB */
 			payload->max_size = 16 * 1024;
 
-			sig_ret = _alpm_download(handle, payload, syncpath, NULL, 1, 0, errors_ok);
+			sig_ret = _alpm_download(payload, syncpath, NULL);
 			/* errors_ok suppresses error messages, but not the return code */
-			sig_ret = errors_ok ? 0 : sig_ret;
+			sig_ret = payload->errors_ok ? 0 : sig_ret;
 		}
 
 		_alpm_dload_payload_free(payload);
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index 1758744..bac9356 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -179,9 +179,8 @@ static size_t parse_headers(void *ptr, size_t size, size_t nmemb, void *user)
 	return realsize;
 }
 
-static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *payload,
-		const char *localpath, char **final_file, int force, int allow_resume,
-		int errors_ok)
+static int curl_download_internal(struct dload_payload *payload,
+		const char *localpath, char **final_file)
 {
 	int ret = -1, should_unlink = 0;
 	FILE *localf = NULL;
@@ -197,13 +196,13 @@ static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *p
 	struct sigaction sig_pipe[2], sig_int[2];
 	struct fileinfo dlfile;
 
-	dlfile.handle = handle;
+	dlfile.handle = payload->handle;
 	dlfile.initial_size = 0.0;
 	dlfile.filename = get_filename(payload->fileurl);
 	dlfile.cd_filename = NULL;
 	if(!dlfile.filename || curl_gethost(payload->fileurl, hostname) != 0) {
-		_alpm_log(handle, PM_LOG_ERROR, _("url '%s' is invalid\n"), payload->fileurl);
-		RET_ERR(handle, PM_ERR_SERVER_BAD_URL, -1);
+		_alpm_log(payload->handle, PM_LOG_ERROR, _("url '%s' is invalid\n"), payload->fileurl);
+		RET_ERR(payload->handle, PM_ERR_SERVER_BAD_URL, -1);
 	}
 
 	if(strlen(dlfile.filename) > 0 && strcmp(dlfile.filename, ".sig") != 0) {
@@ -226,12 +225,12 @@ static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *p
 		if((fd = mkstemp(randpath)) == -1 || !(localf = fdopen(fd, open_mode))) {
 			unlink(randpath);
 			close(fd);
-			_alpm_log(handle, PM_LOG_ERROR,
+			_alpm_log(payload->handle, PM_LOG_ERROR,
 					_("failed to create temporary file for download\n"));
 			goto cleanup;
 		}
 		/* localf now points to our alpmtmp.XXXXXX */
-		STRDUP(tempfile, randpath, RET_ERR(handle, PM_ERR_MEMORY, -1));
+		STRDUP(tempfile, randpath, RET_ERR(payload->handle, PM_ERR_MEMORY, -1));
 		dlfile.filename = strrchr(randpath, '/') + 1;
 	}
 
@@ -239,39 +238,39 @@ static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *p
 
 	/* the curl_easy handle is initialized with the alpm handle, so we only need
 	 * to reset the curl handle set parameters for each time it's used. */
-	curl_easy_reset(handle->curl);
-	curl_easy_setopt(handle->curl, CURLOPT_URL, payload->fileurl);
-	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);
-	curl_easy_setopt(handle->curl, CURLOPT_FOLLOWLOCATION, 1L);
-	curl_easy_setopt(handle->curl, CURLOPT_PROGRESSFUNCTION, curl_progress);
-	curl_easy_setopt(handle->curl, CURLOPT_PROGRESSDATA, (void *)&dlfile);
-	curl_easy_setopt(handle->curl, CURLOPT_LOW_SPEED_LIMIT, 1024L);
-	curl_easy_setopt(handle->curl, CURLOPT_LOW_SPEED_TIME, 10L);
-	curl_easy_setopt(handle->curl, CURLOPT_HEADERFUNCTION, parse_headers);
-	curl_easy_setopt(handle->curl, CURLOPT_WRITEHEADER, &dlfile);
+	curl_easy_reset(payload->handle->curl);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_URL, payload->fileurl);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_FAILONERROR, 1L);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_ERRORBUFFER, error_buffer);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_CONNECTTIMEOUT, 10L);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_FILETIME, 1L);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_NOPROGRESS, 0L);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_FOLLOWLOCATION, 1L);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_PROGRESSFUNCTION, curl_progress);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_PROGRESSDATA, (void *)&dlfile);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_LOW_SPEED_LIMIT, 1024L);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_LOW_SPEED_TIME, 10L);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_HEADERFUNCTION, parse_headers);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_WRITEHEADER, &dlfile);
 
 	if(payload->max_size) {
-		curl_easy_setopt(handle->curl, CURLOPT_MAXFILESIZE, payload->max_size);
+		curl_easy_setopt(payload->handle->curl, CURLOPT_MAXFILESIZE, payload->max_size);
 	}
 
 	useragent = getenv("HTTP_USER_AGENT");
 	if(useragent != NULL) {
-		curl_easy_setopt(handle->curl, CURLOPT_USERAGENT, useragent);
+		curl_easy_setopt(payload->handle->curl, CURLOPT_USERAGENT, useragent);
 	}
 
-	if(!allow_resume && !force && stat(destfile, &st) == 0) {
+	if(!payload->allow_resume && !payload->force && stat(destfile, &st) == 0) {
 		/* start from scratch, but only download if 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 && allow_resume) {
+		curl_easy_setopt(payload->handle->curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
+		curl_easy_setopt(payload->handle->curl, CURLOPT_TIMEVALUE, (long)st.st_mtime);
+	} else if(stat(tempfile, &st) == 0 && payload->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(handle, PM_LOG_DEBUG, "tempfile found, attempting continuation");
+		curl_easy_setopt(payload->handle->curl, CURLOPT_RESUME_FROM, (long)st.st_size);
+		_alpm_log(payload->handle, PM_LOG_DEBUG, "tempfile found, attempting continuation");
 		dlfile.initial_size = (double)st.st_size;
 	}
 
@@ -282,7 +281,7 @@ static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *p
 		}
 	}
 
-	curl_easy_setopt(handle->curl, CURLOPT_WRITEDATA, localf);
+	curl_easy_setopt(payload->handle->curl, CURLOPT_WRITEDATA, localf);
 
 	/* ignore any SIGPIPE signals- these may occur if our FTP socket dies or
 	 * something along those lines. Store the old signal handler first. */
@@ -303,18 +302,18 @@ static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *p
 	prevprogress = 0;
 
 	/* perform transfer */
-	handle->curlerr = curl_easy_perform(handle->curl);
+	payload->handle->curlerr = curl_easy_perform(payload->handle->curl);
 
 	/* was it a success? */
-	if(handle->curlerr == CURLE_ABORTED_BY_CALLBACK) {
+	if(payload->handle->curlerr == CURLE_ABORTED_BY_CALLBACK) {
 		goto cleanup;
-	} else if(handle->curlerr != CURLE_OK) {
-		if(!errors_ok) {
-			handle->pm_errno = PM_ERR_LIBCURL;
-			_alpm_log(handle, PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
+	} else if(payload->handle->curlerr != CURLE_OK) {
+		if(!payload->errors_ok) {
+			payload->handle->pm_errno = PM_ERR_LIBCURL;
+			_alpm_log(payload->handle, PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
 					dlfile.filename, hostname, error_buffer);
 		} else {
-			_alpm_log(handle, PM_LOG_DEBUG, "failed retrieving file '%s' from %s : %s\n",
+			_alpm_log(payload->handle, PM_LOG_DEBUG, "failed retrieving file '%s' from %s : %s\n",
 					dlfile.filename, hostname, error_buffer);
 		}
 		unlink(tempfile);
@@ -322,11 +321,11 @@ static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *p
 	}
 
 	/* retrieve info about the state of the transfer */
-	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);
-	curl_easy_getinfo(handle->curl, CURLINFO_CONDITION_UNMET, &timecond);
-	curl_easy_getinfo(handle->curl, CURLINFO_EFFECTIVE_URL, &effective_url);
+	curl_easy_getinfo(payload->handle->curl, CURLINFO_FILETIME, &remote_time);
+	curl_easy_getinfo(payload->handle->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &remote_size);
+	curl_easy_getinfo(payload->handle->curl, CURLINFO_SIZE_DOWNLOAD, &bytes_dl);
+	curl_easy_getinfo(payload->handle->curl, CURLINFO_CONDITION_UNMET, &timecond);
+	curl_easy_getinfo(payload->handle->curl, CURLINFO_EFFECTIVE_URL, &effective_url);
 
 	/* time condition was met and we didn't download anything. we need to
 	 * clean up the 0 byte .part file that's left behind. */
@@ -341,8 +340,8 @@ static int curl_download_internal(alpm_handle_t *handle, struct dload_payload *p
 	 * as actually being transferred during curl_easy_perform() */
 	if(!DOUBLE_EQ(remote_size, -1) && !DOUBLE_EQ(bytes_dl, -1) &&
 			!DOUBLE_EQ(bytes_dl, remote_size)) {
-		handle->pm_errno = PM_ERR_RETRIEVE;
-		_alpm_log(handle, PM_LOG_ERROR, _("%s appears to be truncated: %jd/%jd bytes\n"),
+		payload->handle->pm_errno = PM_ERR_RETRIEVE;
+		_alpm_log(payload->handle, PM_LOG_ERROR, _("%s appears to be truncated: %jd/%jd bytes\n"),
 				dlfile.filename, (intmax_t)bytes_dl, (intmax_t)remote_size);
 		goto cleanup;
 	}
@@ -413,21 +412,19 @@ cleanup:
  * @param errors_ok do not log errors (but still return them)
  * @return 0 on success, -1 on error (pm_errno is set accordingly if errors_ok == 0)
  */
-int _alpm_download(alpm_handle_t *handle, struct dload_payload *payload,
-		const char *localpath, char **final_file, int force, int allow_resume,
-		int errors_ok)
+int _alpm_download(struct dload_payload *payload, const char *localpath,
+		char **final_file)
 {
-	if(handle->fetchcb == NULL) {
+	if(payload->handle->fetchcb == NULL) {
 #ifdef HAVE_LIBCURL
-		return curl_download_internal(handle, payload, localpath, final_file, force,
-				allow_resume, errors_ok);
+		return curl_download_internal(payload, localpath, final_file);
 #else
-		RET_ERR(handle, PM_ERR_EXTERNAL_DOWNLOAD, -1);
+		RET_ERR(payload->handle, PM_ERR_EXTERNAL_DOWNLOAD, -1);
 #endif
 	} else {
-		int ret = handle->fetchcb(payload->fileurl, localpath, force);
-		if(ret == -1 && !errors_ok) {
-			RET_ERR(handle, PM_ERR_EXTERNAL_DOWNLOAD, -1);
+		int ret = payload->handle->fetchcb(payload->fileurl, localpath, payload->force);
+		if(ret == -1 && !payload->errors_ok) {
+			RET_ERR(payload->handle, PM_ERR_EXTERNAL_DOWNLOAD, -1);
 		}
 		return ret;
 	}
@@ -449,9 +446,10 @@ char SYMEXPORT *alpm_fetch_pkgurl(alpm_handle_t *handle, const char *url)
 
 	CALLOC(payload, 1, sizeof(*payload), RET_ERR(handle, PM_ERR_MEMORY, NULL));
 	payload->filename = strdup(url);
+	payload->allow_resume = 1;
 
 	/* download the file */
-	ret = _alpm_download(handle, payload, cachedir, &final_file, 0, 1, 0);
+	ret = _alpm_download(payload, cachedir, &final_file);
 	if(ret == -1) {
 		_alpm_log(handle, PM_LOG_WARNING, _("failed to download %s\n"), url);
 		return NULL;
@@ -462,16 +460,18 @@ char SYMEXPORT *alpm_fetch_pkgurl(alpm_handle_t *handle, const char *url)
 	if(ret == 0 && (handle->sigverify == PM_PGP_VERIFY_ALWAYS ||
 				handle->sigverify == PM_PGP_VERIFY_OPTIONAL)) {
 		size_t len;
-		int errors_ok = (handle->sigverify == PM_PGP_VERIFY_OPTIONAL);
 		struct dload_payload *spayload;
 
 		CALLOC(spayload, 1, sizeof(*spayload), RET_ERR(handle, PM_ERR_MEMORY, NULL));
 		len = strlen(url) + 5;
 		CALLOC(spayload->fileurl, len, sizeof(char), RET_ERR(handle, PM_ERR_MEMORY, NULL));
 		snprintf(spayload->fileurl, len, "%s.sig", url);
+		spayload->handle = handle;
+		spayload->force = 1;
+		spayload->errors_ok = (handle->sigverify == PM_PGP_VERIFY_OPTIONAL);
 
-		ret = _alpm_download(handle, spayload, cachedir, &final_file, 1, 0, errors_ok);
-		if(ret == -1 && !errors_ok) {
+		ret = _alpm_download(spayload, cachedir, &final_file);
+		if(ret == -1 && !spayload->errors_ok) {
 			_alpm_log(handle, PM_LOG_WARNING, _("failed to download %s\n"), spayload->fileurl);
 			/* Warn now, but don't return NULL. We will fail later during package
 			 * load time. */
diff --git a/lib/libalpm/dload.h b/lib/libalpm/dload.h
index 8aaed0c..19bd499 100644
--- a/lib/libalpm/dload.h
+++ b/lib/libalpm/dload.h
@@ -34,16 +34,19 @@ struct fileinfo {
 };
 
 struct dload_payload {
+	alpm_handle_t *handle;
 	char *filename;
 	char *fileurl;
 	long max_size;
+	int force;
+	int allow_resume;
+	int errors_ok;
 };
 
 void _alpm_dload_payload_free(void *payload);
 
-int _alpm_download(alpm_handle_t *handle, struct dload_payload *payload,
-		const char *localpath, char **final_file, int force, int allow_resume,
-		int errors_ok);
+int _alpm_download(struct dload_payload *payload, const char *localpath,
+		char **final_file);
 
 #endif /* _ALPM_DLOAD_H */
 
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index 4277283..f63e171 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -804,8 +804,10 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
 					len = strlen(server_url) + strlen(payload->filename) + 2;
 					CALLOC(payload->fileurl, len, sizeof(char), RET_ERR(handle, PM_ERR_MEMORY, -1));
 					snprintf(payload->fileurl, len, "%s/%s", server_url, payload->filename);
+					payload->handle = handle;
+					payload->allow_resume = 1;
 
-					ret = _alpm_download(handle, payload, cachedir, NULL, 0, 1, 0);
+					ret = _alpm_download(payload, cachedir, NULL);
 					FREE(fileurl);
 					if(ret != -1) {
 						break;
-- 
1.7.6



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