Rooms JS => C.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4107 ed5197a5-7fde-0310-b194-c3ffbd925b24
2023-01-08 00:25:38 +00:00
parent c09e043812
commit 3506d9dec1
7 changed files with 363 additions and 129 deletions
--- a/src/ssb.rpc.c
+++ b/src/ssb.rpc.c
@@ -11,6 +11,10 @@
 #include <string.h>
 #include <time.h>

+#if !defined(_countof)
+#define _countof(a) ((int)(sizeof((a)) / sizeof(*(a))))
+#endif
+
 static void _tf_ssb_rpc_gossip_ping(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
 {
 	char buffer[256];
@@ -52,7 +56,6 @@ static void _tf_ssb_rpc_blobs_get(tf_ssb_connection_t* connection, uint8_t flags
 		const int k_send_max = 8192;
 		if (tf_ssb_db_blob_get(ssb, id, &blob, &size))
 		{
-			printf("sending %s (%zd)\n", id, size);
 			for (size_t offset = 0; offset < size; offset += k_send_max)
 			{
 				tf_ssb_connection_rpc_send(
@@ -178,9 +181,65 @@ void _tf_ssb_rpc_tunnel_cleanup(tf_ssb_t* ssb, void* user_data)
 	tf_free(user_data);
 }

+static bool _get_global_setting_bool(tf_ssb_t* ssb, const char* name, bool default_value)
+{
+	bool result = default_value;
+	JSContext* context = tf_ssb_get_context(ssb);
+	sqlite3* db = tf_ssb_get_db(ssb);
+	sqlite3_stmt* statement;
+	if (sqlite3_prepare(db, "SELECT value FROM properties WHERE id = 'core' AND key = 'settings'", -1, &statement, NULL) == SQLITE_OK)
+	{
+		if (sqlite3_step(statement) == SQLITE_ROW)
+		{
+			JSValue value = JS_ParseJSON(context, (const char*)sqlite3_column_text(statement, 0), sqlite3_column_bytes(statement, 0), NULL);
+			JSValue property = JS_GetPropertyStr(context, value,  name);
+			if (JS_IsBool(property))
+			{
+				result = JS_ToBool(context, property);
+			}
+			JS_FreeValue(context, property);
+			JS_FreeValue(context, value);
+		}
+		sqlite3_finalize(statement);
+	}
+	return result;
+}
+
+static bool _get_global_setting_string(tf_ssb_t* ssb, const char* name, char* out_value, size_t size)
+{
+	bool result = false;
+	JSContext* context = tf_ssb_get_context(ssb);
+	sqlite3* db = tf_ssb_get_db(ssb);
+	sqlite3_stmt* statement;
+	if (sqlite3_prepare(db, "SELECT value FROM properties WHERE id = 'core' AND key = 'settings'", -1, &statement, NULL) == SQLITE_OK)
+	{
+		if (sqlite3_step(statement) == SQLITE_ROW)
+		{
+			JSValue value = JS_ParseJSON(context, (const char*)sqlite3_column_text(statement, 0), sqlite3_column_bytes(statement, 0), NULL);
+			JSValue property = JS_GetPropertyStr(context, value, name);
+			const char* value_string = JS_ToCString(context, property);
+			if (value_string)
+			{
+				snprintf(out_value, size, "%s", value_string);
+				result = true;
+			}
+			JS_FreeValue(context, property);
+			JS_FreeValue(context, value);
+		}
+		sqlite3_finalize(statement);
+	}
+	return result;
+}
+
 static void _tf_ssb_rpc_tunnel_connect(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
 {
 	tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
+	if (!_get_global_setting_bool(ssb, "room", true))
+	{
+		tf_ssb_connection_rpc_send_error_method_not_allowed(connection, flags, -request_number);
+		return;
+	}
+
 	JSContext* context = tf_ssb_connection_get_context(connection);
 	JSValue arg_array = JS_GetPropertyStr(context, args, "args");
 	JSValue arg = JS_GetPropertyUint32(context, arg_array, 0);
@@ -241,8 +300,9 @@ static void _tf_ssb_rpc_tunnel_connect(tf_ssb_connection_t* connection, uint8_t
 			.connection = connection,
 			.request_number = -request_number,
 		};
-		tf_ssb_connection_add_request(connection, -request_number, _tf_ssb_rpc_tunnel_callback, _tf_ssb_rpc_tunnel_cleanup, data0, connection);
-		tf_ssb_connection_add_request(target_connection, tunnel_request_number, _tf_ssb_rpc_tunnel_callback, _tf_ssb_rpc_tunnel_cleanup, data1, target_connection);
+		printf("MAKE TUNNEL %p %p\n", connection, target_connection);
+		tf_ssb_connection_add_request(connection, -request_number, _tf_ssb_rpc_tunnel_callback, _tf_ssb_rpc_tunnel_cleanup, data0, target_connection);
+		tf_ssb_connection_add_request(target_connection, tunnel_request_number, _tf_ssb_rpc_tunnel_callback, _tf_ssb_rpc_tunnel_cleanup, data1, connection);

 		JS_FreeValue(context, message_val);
 		JS_FreeValue(context, message);
@@ -256,6 +316,7 @@ static void _tf_ssb_rpc_tunnel_connect(tf_ssb_connection_t* connection, uint8_t
 		const char* origin_str = JS_ToCString(context, origin);
 		const char* portal_str = JS_ToCString(context, portal);
 		const char* target_str = JS_ToCString(context, target);
+		printf("TUNNEL CREATE\n");
 		tf_ssb_connection_tunnel_create(ssb, portal_str, -request_number, origin_str);
 		JS_FreeCString(context, origin_str);
 		JS_FreeCString(context, portal_str);
@@ -269,30 +330,6 @@ static void _tf_ssb_rpc_tunnel_connect(tf_ssb_connection_t* connection, uint8_t
 	JS_FreeValue(context, arg_array);
 }

-static bool _get_global_setting_bool(tf_ssb_t* ssb, const char* name, bool default_value)
-{
-	bool result = default_value;
-	JSContext* context = tf_ssb_get_context(ssb);
-	sqlite3* db = tf_ssb_get_db(ssb);
-	sqlite3_stmt* statement;
-	if (sqlite3_prepare(db, "SELECT value FROM properties WHERE id = 'core' AND key = 'settings'", -1, &statement, NULL) == SQLITE_OK)
-	{
-		if (sqlite3_step(statement) == SQLITE_ROW)
-		{
-			JSValue value = JS_ParseJSON(context, (const char*)sqlite3_column_text(statement, 0), sqlite3_column_bytes(statement, 0), NULL);
-			JSValue property = JS_GetPropertyStr(context, value,  name);
-			if (JS_IsBool(property))
-			{
-				result = JS_ToBool(context, property);
-			}
-			JS_FreeValue(context, property);
-			JS_FreeValue(context, value);
-		}
-		sqlite3_finalize(statement);
-	}
-	return result;
-}
-
 static void _tf_ssb_rpc_tunnel_is_room(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
 {
 	tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
@@ -300,8 +337,10 @@ static void _tf_ssb_rpc_tunnel_is_room(tf_ssb_connection_t* connection, uint8_t
 	JSValue response = JS_FALSE;
 	if (_get_global_setting_bool(ssb, "room", true))
 	{
+		char room_name[1024] = "tilde friends tunnel";
+		_get_global_setting_string(ssb, "room_name", room_name, sizeof(room_name));
 		response = JS_NewObject(context);
-		JS_SetPropertyStr(context, response, "name", JS_NewString(context, "tilde friends tunnel"));
+		JS_SetPropertyStr(context, response, "name", JS_NewString(context, room_name));
 		JS_SetPropertyStr(context, response, "membership", JS_FALSE);
 		JSValue features = JS_NewArray(context);
 		JS_SetPropertyUint32(context, features, 0, JS_NewString(context, "tunnel"));
@@ -326,6 +365,56 @@ static void _tf_ssb_rpc_tunnel_is_room(tf_ssb_connection_t* connection, uint8_t
 	JS_FreeValue(context, response);
 }

+static void _tf_ssb_rpc_room_attendants(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
+{
+	tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
+	if (!_get_global_setting_bool(ssb, "room", true))
+	{
+		tf_ssb_connection_rpc_send_error_method_not_allowed(connection, flags, -request_number);
+		return;
+	}
+
+	JSContext* context = tf_ssb_get_context(ssb);
+	JSValue joined = JS_NewObject(context);
+	JS_SetPropertyStr(context, joined, "type", JS_NewString(context, "joined"));
+	char my_id[k_id_base64_len] = "";
+	if (tf_ssb_connection_get_id(connection, my_id, sizeof(my_id)))
+	{
+		JS_SetPropertyStr(context, joined, "id", JS_NewString(context, my_id));
+	}
+
+	JSValue state = JS_NewObject(context);
+	JS_SetPropertyStr(context, state, "type", JS_NewString(context, "state"));
+	JSValue ids = JS_NewArray(context);
+	int id_count = 0;
+	tf_ssb_connection_t* connections[1024];
+	int count = tf_ssb_get_connections(ssb, connections, _countof(connections));
+	for (int i = 0; i < count; i++)
+	{
+		char id[k_id_base64_len] = { 0 };
+		if (tf_ssb_connection_is_attendant(connections[i]) &&
+			tf_ssb_connection_get_id(connections[i], id, sizeof(id)))
+		{
+			JS_SetPropertyUint32(context, ids, id_count++, JS_NewString(context, id));
+
+			tf_ssb_connection_rpc_send_json(
+				connections[i],
+				flags,
+				-tf_ssb_connection_get_attendant_request_number(connections[i]),
+				joined,
+				NULL,
+				NULL,
+				NULL);
+		}
+	}
+	JS_SetPropertyStr(context, state, "ids", ids);
+	tf_ssb_connection_rpc_send_json(connection, flags, -request_number, state, NULL, NULL, NULL);
+	JS_FreeValue(context, joined);
+	JS_FreeValue(context, state);
+
+	tf_ssb_connection_set_attendant(connection, true, request_number);
+}
+
 typedef struct _blobs_get_t
 {
 	char id[k_blob_id_len];
@@ -506,11 +595,94 @@ static void _tf_ssb_rpc_connection_blobs_createWants_callback(tf_ssb_connection_
 	js_free(context, ptab);
 }

+static void _tf_ssb_rpc_connection_room_attendants_callback(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
+{
+	tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
+	JSContext* context = tf_ssb_get_context(ssb);
+	JSValue type = JS_GetPropertyStr(context, args, "type");
+	const char* type_string = JS_ToCString(context, type);
+	if (!type_string)
+	{
+		tf_ssb_connection_rpc_send_error(connection, flags, -request_number, "Missing type.");
+	}
+	else if (strcmp(type_string, "state") == 0)
+	{
+		tf_ssb_connection_clear_room_attendants(connection);
+		JSValue ids = JS_GetPropertyStr(context, args, "ids");
+		int length = tf_util_get_length(context, ids);
+		for (int i = 0; i < length; i++)
+		{
+			JSValue id = JS_GetPropertyUint32(context, ids, i);
+			const char* id_string = JS_ToCString(context, id);
+			if (id_string)
+			{
+				tf_ssb_connection_add_room_attendant(connection, id_string);
+			}
+			JS_FreeCString(context, id_string);
+			JS_FreeValue(context, id);
+		}
+		JS_FreeValue(context, ids);
+	}
+	else if (strcmp(type_string, "joined") == 0)
+	{
+		JSValue id = JS_GetPropertyStr(context, args, "id");
+		const char* id_string = JS_ToCString(context, id);
+		if (id_string)
+		{
+			tf_ssb_connection_add_room_attendant(connection, id_string);
+		}
+		JS_FreeCString(context, id_string);
+		JS_FreeValue(context, id);
+	}
+	else if (strcmp(type_string, "left") == 0)
+	{
+		JSValue id = JS_GetPropertyStr(context, args, "id");
+		const char* id_string = JS_ToCString(context, id);
+		if (id_string)
+		{
+			tf_ssb_connection_remove_room_attendant(connection, id_string);
+		}
+		JS_FreeCString(context, id_string);
+		JS_FreeValue(context, id);
+	}
+	else
+	{
+		tf_ssb_connection_rpc_send_error(connection, flags, -request_number, "Unexpected room.attendants response type.");
+	}
+	JS_FreeCString(context, type_string);
+	JS_FreeValue(context, type);
+}
+
+static void _tf_ssb_rpc_connection_tunnel_isRoom_callback(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
+{
+	tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
+	JSContext* context = tf_ssb_get_context(ssb);
+	if (JS_IsObject(args))
+	{
+		JSValue message = JS_NewObject(context);
+		JSValue name = JS_NewArray(context);
+		JS_SetPropertyUint32(context, name, 0, JS_NewString(context, "room"));
+		JS_SetPropertyUint32(context, name, 1, JS_NewString(context, "attendants"));
+		JS_SetPropertyStr(context, message, "name", name);
+		JS_SetPropertyStr(context, message, "type", JS_NewString(context, "source"));
+		JS_SetPropertyStr(context, message, "args", JS_NewArray(context));
+		tf_ssb_connection_rpc_send_json(
+			connection,
+			k_ssb_rpc_flag_stream,
+			tf_ssb_connection_next_request_number(connection),
+			message,
+			_tf_ssb_rpc_connection_room_attendants_callback,
+			NULL,
+			NULL);
+		JS_FreeValue(context, message);
+	}
+}
+
 static void _tf_ssb_rpc_connections_changed_callback(tf_ssb_t* ssb, tf_ssb_change_t change, tf_ssb_connection_t* connection, void* user_data)
 {
+	JSContext* context = tf_ssb_get_context(ssb);
 	if (change == k_tf_ssb_change_connect)
 	{
-		JSContext* context = tf_ssb_get_context(ssb);
 		JSValue message = JS_NewObject(context);
 		JSValue name = JS_NewArray(context);
 		JS_SetPropertyUint32(context, name, 0, JS_NewString(context, "blobs"));
@@ -518,27 +690,63 @@ static void _tf_ssb_rpc_connections_changed_callback(tf_ssb_t* ssb, tf_ssb_chang
 		JS_SetPropertyStr(context, message, "name", name);
 		JS_SetPropertyStr(context, message, "type", JS_NewString(context, "source"));
 		JS_SetPropertyStr(context, message, "args", JS_NewArray(context));
-		JSValue message_val = JS_JSONStringify(context, message, JS_NULL, JS_NULL);
-		size_t size;
-		const char* message_str = JS_ToCStringLen(context, &size, message_val);
-
-		tf_ssb_connection_rpc_send(
+		tf_ssb_connection_rpc_send_json(
 			connection,
-			k_ssb_rpc_flag_json | k_ssb_rpc_flag_stream,
+			k_ssb_rpc_flag_stream,
 			tf_ssb_connection_next_request_number(connection),
-			(const uint8_t*)message_str,
-			size,
+			message,
 			_tf_ssb_rpc_connection_blobs_createWants_callback,
 			NULL,
 			NULL);
-
-		JS_FreeCString(context, message_str);
-		JS_FreeValue(context, message_val);
 		JS_FreeValue(context, message);
+
+		if (tf_ssb_connection_is_client(connection))
+		{
+			message = JS_NewObject(context);
+			name = JS_NewArray(context);
+			JS_SetPropertyUint32(context, name, 0, JS_NewString(context, "tunnel"));
+			JS_SetPropertyUint32(context, name, 1, JS_NewString(context, "isRoom"));
+			JS_SetPropertyStr(context, message, "name", name);
+			JS_SetPropertyStr(context, message, "args", JS_NewArray(context));
+			tf_ssb_connection_rpc_send_json(
+				connection,
+				0,
+				tf_ssb_connection_next_request_number(connection),
+				message,
+				_tf_ssb_rpc_connection_tunnel_isRoom_callback,
+				NULL,
+				NULL);
+			JS_FreeValue(context, message);
+		}
 	}
 	else if (change == k_tf_ssb_change_remove)
 	{
 		tf_ssb_remove_blob_want_added_callback(ssb, _tf_ssb_rpc_blob_wants_added_callback, connection);
+
+		JSValue left = JS_NewObject(context);
+		JS_SetPropertyStr(context, left, "type", JS_NewString(context, "left"));
+		char id[k_id_base64_len] = "";
+		if (tf_ssb_connection_get_id(connection, id, sizeof(id)))
+		{
+			JS_SetPropertyStr(context, left, "id", JS_NewString(context, id));
+		}
+		tf_ssb_connection_t* connections[1024];
+		int count = tf_ssb_get_connections(ssb, connections, _countof(connections));
+		for (int i = 0; i < count; i++)
+		{
+			if (tf_ssb_connection_is_attendant(connections[i]))
+			{
+				tf_ssb_connection_rpc_send_json(
+					connections[i],
+					k_ssb_rpc_flag_stream,
+					-tf_ssb_connection_get_attendant_request_number(connections[i]),
+					left,
+					NULL,
+					NULL,
+					NULL);
+			}
+		}
+		JS_FreeValue(context, left);
 	}
 }

@@ -551,4 +759,5 @@ void tf_ssb_rpc_register(tf_ssb_t* ssb)
 	tf_ssb_add_rpc_callback(ssb, (const char*[]) { "blobs", "createWants", NULL }, _tf_ssb_rpc_blobs_createWants, NULL, NULL);
 	tf_ssb_add_rpc_callback(ssb, (const char*[]) { "tunnel", "connect", NULL }, _tf_ssb_rpc_tunnel_connect, NULL, NULL);
 	tf_ssb_add_rpc_callback(ssb, (const char*[]) { "tunnel", "isRoom", NULL }, _tf_ssb_rpc_tunnel_is_room, NULL, NULL);
+	tf_ssb_add_rpc_callback(ssb, (const char*[]) { "room", "attendants", NULL }, _tf_ssb_rpc_room_attendants, NULL, NULL);
 }