[gupnp/wip/phako/new-api: 6/7] wip: Introduce new gupnp_service_proxy_action_new* functions and port to tem
- From: Jens Georg <jensgeorg src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gupnp/wip/phako/new-api: 6/7] wip: Introduce new gupnp_service_proxy_action_new* functions and port to tem
- Date: Sun, 13 Jan 2019 15:26:49 +0000 (UTC)
commit 3b67e71e0511f0130a3f2f0038311fdc250aef3b
Author: Jens Georg <mail jensge org>
Date: Fri Jan 11 21:23:27 2019 +0100
wip: Introduce new gupnp_service_proxy_action_new* functions and port to tem
libgupnp/gupnp-service-proxy-action-private.h | 41 +++++-
libgupnp/gupnp-service-proxy-action.c | 133 +++++++++++++++---
libgupnp/gupnp-service-proxy.c | 185 +++++++++++++++++---------
libgupnp/gupnp-service-proxy.h | 8 ++
4 files changed, 278 insertions(+), 89 deletions(-)
---
diff --git a/libgupnp/gupnp-service-proxy-action-private.h b/libgupnp/gupnp-service-proxy-action-private.h
index 2eda5a4..53de39f 100644
--- a/libgupnp/gupnp-service-proxy-action-private.h
+++ b/libgupnp/gupnp-service-proxy-action-private.h
@@ -1,12 +1,47 @@
#ifndef GUPNP_SERVICE_PROXY_ACTION_H
#define GUPNP_SERVICE_PROXY_ACTION_H
+#include <gobject/gvaluecollector.h>
+
G_BEGIN_DECLS
+/* Initializes hash table to hold arg names as keys and GValues of
+ * given type and value.
+ */
+#define VAR_ARGS_TO_IN_LIST(var_args, names, values) \
+ G_STMT_START { \
+ const gchar *arg_name = va_arg (var_args, const gchar *); \
+ \
+ while (arg_name != NULL) { \
+ GValue *value = g_new0 (GValue, 1); \
+ gchar *__error = NULL; \
+ GType type = va_arg (var_args, GType); \
+ \
+ G_VALUE_COLLECT_INIT (value, \
+ type, \
+ var_args, \
+ G_VALUE_NOCOPY_CONTENTS, \
+ &__error); \
+ if (__error == NULL) { \
+ names = g_list_prepend (names, g_strdup (arg_name)); \
+ values = g_list_prepend (values, value); \
+ } else { \
+ g_warning ("Failed to collect value of type %s for %s: %s", \
+ g_type_name (type), \
+ arg_name, \
+ __error); \
+ g_free (__error); \
+ } \
+ arg_name = va_arg (var_args, const gchar *); \
+ } \
+ names = g_list_reverse (names); \
+ values = g_list_reverse (values); \
+ } G_STMT_END
+
struct _GUPnPServiceProxyAction {
- volatile gint ref_count;
GUPnPServiceProxy *proxy;
- char *action_name;
+ char *name;
+ gint header_pos;
SoupMessage *msg;
GString *msg_str;
@@ -19,7 +54,7 @@ struct _GUPnPServiceProxyAction {
};
G_GNUC_INTERNAL GUPnPServiceProxyAction *
-gupnp_service_proxy_action_new (const char *action);
+gupnp_service_proxy_action_new_internal (const char *action);
G_GNUC_INTERNAL GUPnPServiceProxyAction *
gupnp_service_proxy_action_ref (GUPnPServiceProxyAction *action);
diff --git a/libgupnp/gupnp-service-proxy-action.c b/libgupnp/gupnp-service-proxy-action.c
index b932277..1e8ea04 100644
--- a/libgupnp/gupnp-service-proxy-action.c
+++ b/libgupnp/gupnp-service-proxy-action.c
@@ -22,13 +22,17 @@
#include "gupnp-service-proxy.h"
#include "gupnp-service-proxy-private.h"
#include "gupnp-service-proxy-action-private.h"
+#include "gvalue-util.h"
+#include "xml-util.h"
GUPnPServiceProxyAction *
-gupnp_service_proxy_action_new (const char *action) {
+gupnp_service_proxy_action_new_internal (const char *action) {
GUPnPServiceProxyAction *ret;
- ret = g_slice_new (GUPnPServiceProxyAction);
- ret->ref_count = 1;
+ g_return_val_if_fail (action != NULL, NULL);
+
+ ret = g_atomic_rc_box_new0 (GUPnPServiceProxyAction);
+ ret->name = g_strdup (action);
return ret;
}
@@ -37,36 +41,123 @@ GUPnPServiceProxyAction *
gupnp_service_proxy_action_ref (GUPnPServiceProxyAction *action)
{
g_return_val_if_fail (action, NULL);
- g_return_val_if_fail (action->ref_count > 0, NULL);
- g_atomic_int_inc (&action->ref_count);
+ return g_atomic_rc_box_acquire (action);
+}
- return action;
+static void
+action_dispose (GUPnPServiceProxyAction *action)
+{
+ if (action->proxy != NULL) {
+ g_object_remove_weak_pointer (G_OBJECT (action->proxy),
+ (gpointer *)&(action->proxy));
+ gupnp_service_proxy_remove_action (action->proxy, action);
+ }
+
+ g_clear_object (&action->msg);
+ g_free (action->name);
}
void
gupnp_service_proxy_action_unref (GUPnPServiceProxyAction *action)
{
-
g_return_if_fail (action);
- g_return_if_fail (action->ref_count > 0);
-
-
- if (g_atomic_int_dec_and_test (&action->ref_count)) {
- if (action->proxy != NULL) {
- g_object_remove_weak_pointer (G_OBJECT (action->proxy),
- (gpointer *)&(action->proxy));
- gupnp_service_proxy_remove_action (action->proxy, action);
- }
-
- if (action->msg != NULL)
- g_object_unref (action->msg);
- g_slice_free (GUPnPServiceProxyAction, action);
- }
+ g_atomic_rc_box_release_full (action, (GDestroyNotify) action_dispose);
}
G_DEFINE_BOXED_TYPE (GUPnPServiceProxyAction,
gupnp_service_proxy_action,
gupnp_service_proxy_action_ref,
gupnp_service_proxy_action_unref)
+
+/* Writes a parameter name and GValue pair to @msg */
+static void
+write_in_parameter (const char *arg_name,
+ GValue *value,
+ GString *msg_str)
+{
+ /* Write parameter pair */
+ xml_util_start_element (msg_str, arg_name);
+ gvalue_util_value_append_to_xml_string (value, msg_str);
+ xml_util_end_element (msg_str, arg_name);
+}
+
+static void
+write_footer (GUPnPServiceProxyAction *action)
+{
+ /* Finish message */
+ g_string_append (action->msg_str, "</u:");
+ g_string_append (action->msg_str, action->name);
+ g_string_append_c (action->msg_str, '>');
+
+ g_string_append (action->msg_str,
+ "</s:Body>"
+ "</s:Envelope>");
+}
+
+GUPnPServiceProxyAction *
+gupnp_service_proxy_action_new (const char *action,
+ ...)
+{
+ va_list var_args;
+ GList *in_names = NULL;
+ GList *in_values = NULL;
+
+ g_return_val_if_fail (action != NULL, NULL);
+
+ va_start (var_args, action);
+ VAR_ARGS_TO_IN_LIST (var_args, in_names, in_values);
+ va_end (var_args);
+
+ return gupnp_service_proxy_action_new_from_list (action,
+ in_names,
+ in_values);;
+}
+
+
+/**
+ * gupnp_service_proxy_action_new_from_list:
+ * @action: An action
+ * @in_names: (element-type utf8) (transfer none): #GList of 'in' parameter
+ * names (as strings)
+ * @in_values: (element-type GValue) (transfer none): #GList of values (as
+ * #GValue) that line up with @in_names
+ */
+GUPnPServiceProxyAction *
+gupnp_service_proxy_action_new_from_list (const char *action_name,
+ GList *in_names,
+ GList *in_values)
+{
+ GUPnPServiceProxyAction *action;
+ GList *names, *values;
+
+ action = gupnp_service_proxy_action_new_internal (action_name);
+ action->msg_str = xml_util_new_string ();
+
+ g_string_append (action->msg_str,
+ "<?xml version=\"1.0\"?>"
+ "<s:Envelope xmlns:s="
+ "\"http://schemas.xmlsoap.org/soap/envelope/\"; "
+ "s:encodingStyle="
+ "\"http://schemas.xmlsoap.org/soap/encoding/\";>"
+ "<s:Body>");
+ action->header_pos = action->msg_str->len;
+
+ /* Arguments */
+ for (names = in_names, values = in_values;
+ names && values;
+ names=names->next, values = values->next) {
+ GValue* val = values->data;
+
+ write_in_parameter (names->data,
+ val,
+ action->msg_str);
+ }
+
+ /* Finish and send off */
+ write_footer (action);
+
+ return action;
+}
+
diff --git a/libgupnp/gupnp-service-proxy.c b/libgupnp/gupnp-service-proxy.c
index 987dc0c..9805f98 100644
--- a/libgupnp/gupnp-service-proxy.c
+++ b/libgupnp/gupnp-service-proxy.c
@@ -470,39 +470,6 @@ stop_main_loop (G_GNUC_UNUSED GUPnPServiceProxy *proxy,
} \
} G_STMT_END
-/* Initializes hash table to hold arg names as keys and GValues of
- * given type and value.
- */
-#define VAR_ARGS_TO_IN_LIST(var_args, names, values) \
- G_STMT_START { \
- const gchar *arg_name = va_arg (var_args, const gchar *); \
- \
- while (arg_name != NULL) { \
- GValue *value = g_new0 (GValue, 1); \
- gchar *__error = NULL; \
- GType type = va_arg (var_args, GType); \
- \
- G_VALUE_COLLECT_INIT (value, \
- type, \
- var_args, \
- G_VALUE_NOCOPY_CONTENTS, \
- &__error); \
- if (__error == NULL) { \
- names = g_list_prepend (names, g_strdup (arg_name)); \
- values = g_list_prepend (values, value); \
- } else { \
- g_warning ("Failed to collect value of type %s for %s: %s", \
- g_type_name (type), \
- arg_name, \
- __error); \
- g_free (__error); \
- } \
- arg_name = va_arg (var_args, const gchar *); \
- } \
- names = g_list_reverse (names); \
- values = g_list_reverse (values); \
- } G_STMT_END
-
/* Puts values stored in hash table with GValues into var args.
*/
#define OUT_HASH_TABLE_TO_VAR_ARGS(hash, var_args) \
@@ -739,6 +706,91 @@ gupnp_service_proxy_begin_action (GUPnPServiceProxy *proxy,
return ret;
}
+/* Begins a basic action message */
+static void
+prepare_action_msg (GUPnPServiceProxy *proxy,
+ GUPnPServiceProxyAction *ret,
+ GUPnPServiceProxyActionCallback callback,
+ gpointer user_data)
+{
+ GUPnPServiceProxyPrivate *priv;
+ char *control_url, *full_action;
+ const char *service_type;
+
+ priv = gupnp_service_proxy_get_instance_private (proxy);
+
+ ret->proxy = proxy;
+ g_object_add_weak_pointer (G_OBJECT (proxy), (gpointer *)&(ret->proxy));
+
+ ret->callback = callback;
+ ret->user_data = user_data;
+
+ priv->pending_actions = g_list_prepend (priv->pending_actions, ret);
+
+ /* Make sure we have a service type */
+ service_type = gupnp_service_info_get_service_type
+ (GUPNP_SERVICE_INFO (proxy));
+ if (service_type == NULL) {
+ ret->error = g_error_new (GUPNP_SERVER_ERROR,
+ GUPNP_SERVER_ERROR_OTHER,
+ "No service type defined");
+
+ return;
+ }
+
+ /* Create message */
+ control_url = gupnp_service_info_get_control_url
+ (GUPNP_SERVICE_INFO (proxy));
+
+ if (control_url != NULL) {
+ GUPnPContext *context = NULL;
+ char *local_control_url = NULL;
+
+ context = gupnp_service_info_get_context
+ (GUPNP_SERVICE_INFO (proxy));
+
+ local_control_url = gupnp_context_rewrite_uri (context,
+ control_url);
+ g_free (control_url);
+
+ ret->msg = soup_message_new (SOUP_METHOD_POST, local_control_url);
+ g_free (local_control_url);
+ }
+
+ if (ret->msg == NULL) {
+ ret->error = g_error_new (GUPNP_SERVER_ERROR,
+ GUPNP_SERVER_ERROR_INVALID_URL,
+ "No valid control URL defined");
+
+ return;
+ }
+
+ /* Specify action */
+ full_action = g_strdup_printf ("\"%s#%s\"", service_type, ret->name);
+ soup_message_headers_append (ret->msg->request_headers,
+ "SOAPAction",
+ full_action);
+ g_free (full_action);
+
+ /* Specify language */
+ http_request_set_accept_language (ret->msg);
+
+ /* Accept gzip encoding */
+ soup_message_headers_append (ret->msg->request_headers,
+ "Accept-Encoding", "gzip");
+
+ g_string_insert (ret->msg_str, ret->header_pos, "<u:");
+ ret->header_pos += strlen("<u:");
+ g_string_insert (ret->msg_str, ret->header_pos, ret->name);
+ ret->header_pos += strlen (ret->name);
+ g_string_insert (ret->msg_str, ret->header_pos, " xmlns:u=\"");
+ ret->header_pos += strlen(" xmlns:u=\"");
+ g_string_insert (ret->msg_str, ret->header_pos, service_type);
+ ret->header_pos += strlen (service_type);
+ g_string_insert (ret->msg_str, ret->header_pos, "\">");
+}
+
+
/* Begins a basic action message */
static GUPnPServiceProxyAction *
begin_action_msg (GUPnPServiceProxy *proxy,
@@ -754,7 +806,7 @@ begin_action_msg (GUPnPServiceProxy *proxy,
priv = gupnp_service_proxy_get_instance_private (proxy);
/* Create action structure */
- ret = gupnp_service_proxy_action_new (action);
+ ret = gupnp_service_proxy_action_new_internal (action);
ret->proxy = proxy;
g_object_add_weak_pointer (G_OBJECT (proxy), (gpointer *)&(ret->proxy));
@@ -885,6 +937,35 @@ action_got_response (SoupSession *session,
}
}
+static void
+gupnp_service_proxy_action_queue (GUPnPServiceProxyAction *action)
+{
+ GUPnPContext *context;
+ SoupSession *session;
+
+ soup_message_set_request (action->msg,
+ "text/xml; charset=\"utf-8\"",
+ SOUP_MEMORY_TAKE,
+ action->msg_str->str,
+ action->msg_str->len);
+
+ g_string_free (action->msg_str, FALSE);
+
+ /* We need to keep our own reference to the message as well,
+ * in order for send_action() to work. */
+ g_object_ref (action->msg);
+
+ /* Send the message */
+ context = gupnp_service_info_get_context
+ (GUPNP_SERVICE_INFO (action->proxy));
+ session = gupnp_context_get_session (context);
+
+ soup_session_queue_message (session,
+ action->msg,
+ (SoupSessionCallback) action_got_response,
+ action);
+}
+
/* Finishes an action message and sends it off */
static void
finish_action_msg (GUPnPServiceProxyAction *action,
@@ -925,18 +1006,6 @@ finish_action_msg (GUPnPServiceProxyAction *action,
action);
}
-/* Writes a parameter name and GValue pair to @msg */
-static void
-write_in_parameter (const char *arg_name,
- GValue *value,
- GString *msg_str)
-{
- /* Write parameter pair */
- xml_util_start_element (msg_str, arg_name);
- gvalue_util_value_append_to_xml_string (value, msg_str);
- xml_util_end_element (msg_str, arg_name);
-}
-
static gboolean
action_error_idle_cb (gpointer user_data)
{
@@ -1022,8 +1091,6 @@ gupnp_service_proxy_begin_action_list
gpointer user_data)
{
GUPnPServiceProxyAction *ret;
- GList *names;
- GList *values;
g_return_val_if_fail (GUPNP_IS_SERVICE_PROXY (proxy), NULL);
g_return_val_if_fail (action, NULL);
@@ -1032,8 +1099,10 @@ gupnp_service_proxy_begin_action_list
g_list_length (in_values),
NULL);
- /* Create message */
- ret = begin_action_msg (proxy, action, callback, user_data);
+ ret = gupnp_service_proxy_action_new_from_list (action,
+ in_names,
+ in_values);
+ prepare_action_msg (proxy, ret, callback, user_data);
if (ret->error) {
g_idle_add (action_error_idle_cb, ret);
@@ -1041,21 +1110,7 @@ gupnp_service_proxy_begin_action_list
return ret;
}
- /* Arguments */
- values = in_values;
-
- for (names = in_names; names; names=names->next) {
- GValue* val = values->data;
-
- write_in_parameter (names->data,
- val,
- ret->msg_str);
-
- values = values->next;
- }
-
- /* Finish and send off */
- finish_action_msg (ret, action);
+ gupnp_service_proxy_action_queue (ret);
return ret;
}
diff --git a/libgupnp/gupnp-service-proxy.h b/libgupnp/gupnp-service-proxy.h
index d61ac69..fe9f46b 100644
--- a/libgupnp/gupnp-service-proxy.h
+++ b/libgupnp/gupnp-service-proxy.h
@@ -208,6 +208,14 @@ gupnp_service_proxy_set_subscribed (GUPnPServiceProxy *proxy,
gboolean
gupnp_service_proxy_get_subscribed (GUPnPServiceProxy *proxy);
+GUPnPServiceProxyAction *
+gupnp_service_proxy_action_new (const char *action,
+ ...);
+
+GUPnPServiceProxyAction *
+gupnp_service_proxy_action_new_from_list (const char *action,
+ GList *in_names,
+ GList *in_values);
G_END_DECLS
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