static void
do_notify(struct ovs_cmdl_context *ctx)
{
struct jsonrpc_msg *msg;
struct jsonrpc *rpc;
struct json *params;
struct stream *stream;
const char *method;
char *string;
int error;
method = ctx->argv[2];
params = parse_json(ctx->argv[3]);
msg = jsonrpc_create_notify(method, params);
string = jsonrpc_msg_is_valid(msg);
if (string) {
ovs_fatal(0, "not a JSON RPC-valid notification: %s", string);
}
error = stream_open_block(jsonrpc_stream_open(ctx->argv[1], &stream,
DSCP_DEFAULT), &stream);
if (error) {
ovs_fatal(error, "could not open \"%s\"", ctx->argv[1]);
}
rpc = jsonrpc_open(stream);
error = jsonrpc_send_block(rpc, msg);
if (error) {
ovs_fatal(error, "could not send notification");
}
jsonrpc_close(rpc);
}
char *
jsonrpc_msg_from_json(struct json *json, struct jsonrpc_msg **msgp)
{
struct json *method = NULL;
struct jsonrpc_msg *msg = NULL;
struct shash *object;
char *error;
if (json->type != JSON_OBJECT) {
error = xstrdup("message is not a JSON object");
goto exit;
}
object = json_object(json);
method = shash_find_and_delete(object, "method");
if (method && method->type != JSON_STRING) {
error = xstrdup("method is not a JSON string");
goto exit;
}
msg = xzalloc(sizeof *msg);
msg->method = method ? xstrdup(method->u.string) : NULL;
msg->params = null_from_json_null(shash_find_and_delete(object, "params"));
msg->result = null_from_json_null(shash_find_and_delete(object, "result"));
msg->error = null_from_json_null(shash_find_and_delete(object, "error"));
msg->id = null_from_json_null(shash_find_and_delete(object, "id"));
msg->type = (msg->result ? JSONRPC_REPLY
: msg->error ? JSONRPC_ERROR
: msg->id ? JSONRPC_REQUEST
: JSONRPC_NOTIFY);
if (!shash_is_empty(object)) {
error = xasprintf("message has unexpected member \"%s\"",
shash_first(object)->name);
goto exit;
}
error = jsonrpc_msg_is_valid(msg);
if (error) {
goto exit;
}
exit:
json_destroy(method);
json_destroy(json);
if (error) {
jsonrpc_msg_destroy(msg);
msg = NULL;
}
*msgp = msg;
return error;
}
static void
do_request(struct ovs_cmdl_context *ctx)
{
struct jsonrpc_msg *msg;
struct jsonrpc *rpc;
struct json *params;
struct stream *stream;
const char *method;
char *string;
int error;
method = ctx->argv[2];
params = parse_json(ctx->argv[3]);
msg = jsonrpc_create_request(method, params, NULL);
string = jsonrpc_msg_is_valid(msg);
if (string) {
ovs_fatal(0, "not a valid JSON-RPC request: %s", string);
}
error = stream_open_block(jsonrpc_stream_open(ctx->argv[1], &stream,
DSCP_DEFAULT), &stream);
if (error) {
ovs_fatal(error, "could not open \"%s\"", ctx->argv[1]);
}
rpc = jsonrpc_open(stream);
error = jsonrpc_send(rpc, msg);
if (error) {
ovs_fatal(error, "could not send request");
}
error = jsonrpc_recv_block(rpc, &msg);
if (error) {
ovs_fatal(error, "error waiting for reply");
}
print_and_free_json(jsonrpc_msg_to_json(msg));
jsonrpc_close(rpc);
}
