From 6fd511dd41c8925e70c8e3c0ab2bcde8e1af06de Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sun, 29 Aug 2010 21:09:48 +0200
Subject: Support for fetching files via HTTP, needs more work and fixes.

---
 server_communication.c | 105 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)

(limited to 'server_communication.c')

diff --git a/server_communication.c b/server_communication.c
index cc37cde..ffe6942 100644
--- a/server_communication.c
+++ b/server_communication.c
@@ -110,3 +110,108 @@ gchar **server_list(struct server *server, const gchar *directory) {
 
 	return data;
 }
+
+/* TODO: remove temporary function */
+static GSocket *server_connect_port(struct server *server, gushort port) {
+	GError *error = NULL, *conn_error = NULL;
+	GSocketConnectable *addr;
+	GSocketAddressEnumerator *enumerator;
+	GSocketAddress *sockaddr;
+	GSocketConnection *conn = NULL;
+	GSocketClient *client;
+
+	addr = g_network_address_new(server->host, port);
+	enumerator = g_socket_connectable_enumerate(addr);
+	g_object_unref(addr);
+
+	client = g_socket_client_new();
+
+	while(conn == NULL && (sockaddr = g_socket_address_enumerator_next(enumerator, NULL, &error))) {
+		conn = g_socket_client_connect(client, (GSocketConnectable*)sockaddr, NULL, &conn_error);
+		g_object_unref(sockaddr);
+	}
+
+	if(sockaddr == NULL) {
+		if(error != NULL) {
+			g_warning(error->message);
+			g_error_free(error);
+		} else {
+			g_warning("server_connect: no connectable addresses found for host %s",
+					server->host);
+		}
+		return NULL;
+	}
+
+	if(conn == NULL) {
+		g_warning(conn_error->message);
+		g_error_free(conn_error);
+		return NULL;
+	}
+
+	GSocket *socket = g_socket_connection_get_socket(conn);
+
+	g_debug("connected");
+
+	return socket;
+}
+
+gboolean server_get(struct server *server, const gchar *type,
+		const gchar *localfile, const gchar *remotefile) {
+	GError *error = NULL;
+	GSocket *socket = server_connect_port(server, 8000);
+
+	if(socket == NULL) {
+		return FALSE;
+	}
+
+	gchar *cmd = g_strdup_printf("GET /get_%s %s HTTP/1.1\r\n\r\n", type, remotefile);
+
+	g_socket_send(socket, cmd, strlen(cmd), NULL, NULL);
+
+	GSocketConnection *connection = g_socket_connection_factory_create_connection(socket);
+	GDataInputStream *input = g_data_input_stream_new(g_io_stream_get_input_stream((GIOStream*)connection));
+	g_data_input_stream_set_newline_type(input, G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
+
+	gchar *line = NULL;
+	gsize size;
+
+	while((line = g_data_input_stream_read_line(input, &size, NULL, &error)) != NULL) {
+		g_debug(line);
+		if(size == 0) {
+			break;
+		}
+	}
+
+	if(error != NULL) {
+		g_warning(error->message);
+		g_error_free(error);
+		return FALSE;
+	}
+
+	GFile *file = g_file_new_for_path(localfile);
+	GFileOutputStream *output = g_file_replace(file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, &error);
+
+	if(output == NULL) {
+		g_warning(error->message);
+		g_error_free(error);
+		return FALSE;
+	}
+
+	g_output_stream_splice((GOutputStream*)output, (GInputStream*)input,
+			G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE | G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
+			NULL, &error);
+
+	g_object_unref(input);
+	g_object_unref(output);
+	g_object_unref(file);
+
+	if(error != NULL) {
+		g_warning(error->message);
+		g_error_free(error);
+		return FALSE;
+	}
+
+	g_object_unref(connection);
+
+	return TRUE;
+}
-- 
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