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authorAnatol Pomozov <anatol.pomozov@gmail.com>2020-03-08 21:33:32 +0100
committerAllan McRae <allan@archlinux.org>2020-05-09 03:58:21 +0200
commitfe8e13341bdeae4a59c0270a632c29e71ae9deda (patch)
tree2e40d6b786ec2fe8bd5b878d09f2fa627c0190a8 /lib/libalpm
parentcffda331adca0aedd7c1fc17d739c27fc8041a20 (diff)
downloadpacman-fe8e13341bdeae4a59c0270a632c29e71ae9deda.tar.gz
pacman-fe8e13341bdeae4a59c0270a632c29e71ae9deda.tar.xz
Add config option to specify amount of parallel download streams
It includes pacman.conf new 'ParallelDownloads' option that specifies how many concurrent downloads cURL starts in parallel. Add alpm_option_set_parallel_downloads() ALPM function that allows to set this config option programmatically. Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com> Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'lib/libalpm')
-rw-r--r--lib/libalpm/alpm.h9
-rw-r--r--lib/libalpm/handle.c15
-rw-r--r--lib/libalpm/handle.h1
3 files changed, 25 insertions, 0 deletions
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index c2a069ad..5d559db1 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -903,6 +903,15 @@ int alpm_option_set_remote_file_siglevel(alpm_handle_t *handle, int level);
int alpm_option_set_disable_dl_timeout(alpm_handle_t *handle, unsigned short disable_dl_timeout);
+/** Sets number of parallel streams to download database and package files.
+ * If the function is not called then the default value of '1' stream
+ * (i.e. sequential download) is used.
+ * @param handle the context handle
+ * @param num_streams number of parallel download streams
+ * @return 0 on success, -1 on error
+ */
+int alpm_option_set_parallel_downloads(alpm_handle_t *handle, unsigned int num_streams);
+
/** @} */
/** @addtogroup alpm_api_databases Database Functions
diff --git a/lib/libalpm/handle.c b/lib/libalpm/handle.c
index 6b19a703..e3b2c911 100644
--- a/lib/libalpm/handle.c
+++ b/lib/libalpm/handle.c
@@ -856,3 +856,18 @@ int SYMEXPORT alpm_option_set_disable_dl_timeout(alpm_handle_t *handle,
#endif
return 0;
}
+
+int SYMEXPORT alpm_option_set_parallel_downloads(alpm_handle_t *handle,
+ unsigned int num_streams)
+{
+ CHECK_HANDLE(handle, return -1);
+#ifdef HAVE_LIBCURL
+ if(num_streams < 1) {
+ return -1;
+ }
+ handle->parallel_downloads = num_streams;
+#else
+ (void)num_streams; /* silence unused variable warnings */
+#endif
+ return 0;
+}
diff --git a/lib/libalpm/handle.h b/lib/libalpm/handle.h
index c343f6e0..cd7104f9 100644
--- a/lib/libalpm/handle.h
+++ b/lib/libalpm/handle.h
@@ -61,6 +61,7 @@ struct __alpm_handle_t {
/* libcurl handle */
CURL *curl; /* reusable curl_easy handle */
unsigned short disable_dl_timeout;
+ unsigned int parallel_downloads; /* number of download streams */
#endif
#ifdef HAVE_LIBGPGME