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nmcs-http: fix multiple HTTP request bug

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Since just a single pointer is used to store the socket's GSource
if more than 1 consecutive request was done through the same
HTTP provider the 2nd request would clear the GSource associated to
the second request causing the 1st HTTP request to never complete
and end up in a expired timeout.

Use a hashtable instead so we can correctly track all requests.

https://bugzilla.redhat.com/show_bug.cgi?id=1821787

Fixes: 69f048bf0c ('cloud-setup: add tool for automatic IP configuration in cloud')
This commit is contained in:
Antonio Cardace 2020-06-18 18:21:48 +02:00
parent d18d75f89c
commit 427fbc85f0
No known key found for this signature in database
GPG key ID: 6BF80ABD43E377D3
1 changed files with 19 additions and 9 deletions
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28
clients/cloud-setup/nm-http-client.c
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@ -16,7 +16,7 @@ typedef struct {
GMainContext *context;
CURLM *mhandle;
GSource *mhandle_source_timeout;
GSource *mhandle_source_socket;
GHashTable *source_sockets_hashtable;
} NMHttpClientPrivate;
struct _NMHttpClient {
@ -615,12 +615,13 @@ _mhandle_socket_cb (int fd,
static int
_mhandle_socketfunction_cb (CURL *e_handle, curl_socket_t fd, int what, void *user_data, void *socketp)
{
GSource *source_socket;
NMHttpClient *self = user_data;
NMHttpClientPrivate *priv = NM_HTTP_CLIENT_GET_PRIVATE (self);
(void) _NM_ENSURE_TYPE (int, fd);
nm_clear_g_source_inst (&priv->mhandle_source_socket);
g_hash_table_remove (priv->source_sockets_hashtable, GINT_TO_POINTER (fd));
if (what != CURL_POLL_REMOVE) {
GIOCondition condition = 0;
@ -635,13 +636,17 @@ _mhandle_socketfunction_cb (CURL *e_handle, curl_socket_t fd, int what, void *us
condition = 0;
if (condition) {
priv->mhandle_source_socket = nm_g_unix_fd_source_new (fd,
condition,
G_PRIORITY_DEFAULT,
_mhandle_socket_cb,
self,
source_socket = nm_g_unix_fd_source_new (fd,
condition,
G_PRIORITY_DEFAULT,
_mhandle_socket_cb,
self,
NULL);
g_source_attach (priv->mhandle_source_socket, priv->context);
g_source_attach (source_socket, priv->context);
g_hash_table_insert (priv->source_sockets_hashtable,
GINT_TO_POINTER (fd),
source_socket);
}
}
@ -678,6 +683,11 @@ _mhandle_timerfunction_cb (CURLM *multi, long timeout_msec, void *user_data)
static void
nm_http_client_init (NMHttpClient *self)
{
NMHttpClientPrivate *priv = NM_HTTP_CLIENT_GET_PRIVATE (self);
priv->source_sockets_hashtable = g_hash_table_new_full (nm_direct_hash,
NULL,
NULL,
(GDestroyNotify) nm_g_source_destroy_and_unref);
}
static void
@ -714,9 +724,9 @@ dispose (GObject *object)
NMHttpClientPrivate *priv = NM_HTTP_CLIENT_GET_PRIVATE (self);
nm_clear_pointer (&priv->mhandle, curl_multi_cleanup);
nm_clear_pointer (&priv->source_sockets_hashtable, g_hash_table_unref);
nm_clear_g_source_inst (&priv->mhandle_source_timeout);
nm_clear_g_source_inst (&priv->mhandle_source_socket);
G_OBJECT_CLASS (nm_http_client_parent_class)->dispose (object);
}