inline XmlRpcValue XmlRpcClient::call (std::string method_name,
XmlRpcValue param_array)
{
XmlRpcEnv env;
xmlrpc_value *result =
xmlrpc_client_call_params(env,
mServerUrl.c_str(),
method_name.c_str(),
param_array.borrowReference());
env.throwIfFaultOccurred();
return XmlRpcValue(result, XmlRpcValue::CONSUME_REFERENCE);
}
static void AdvancedTest()
{
XmlRpcValue args, result;
// Passing datums:
args[0] = "a string";
args[1] = 1;
args[2] = true;
args[3] = 3.14159;
struct tm timeNow;
args[4] = XmlRpcValue(&timeNow);
// Passing an array:
XmlRpcValue array;
array[0] = 4;
array[1] = 5;
array[2] = 6;
args[5] = array;
// Note: if there's a chance that the array contains zero elements,
// you'll need to call:
// array.initAsArray();
// ...because otherwise the type will never get set to "TypeArray" and
// the value will be a "TypeInvalid".
// Passing a struct:
XmlRpcValue record;
record["SOURCE"] = "a";
record["DESTINATION"] = "b";
record["LENGTH"] = 5;
args[6] = record;
// We don't support zero-size struct's...Surely no-one needs these?
// Make the call:
XmlRpcClient Connection("https://61.95.191.232:9600/arumate/rpc/xmlRpcServer.php");
Connection.setIgnoreCertificateAuthority();
if (! Connection.execute("arumate.getMegawatts", args, result)) {
std::cout << Connection.getError();
return;
}
// Pull the data out:
if (result.getType() != XmlRpcValue::TypeStruct) {
std::cout << "I was expecting a struct.";
return;
}
int i = result["n"];
std::string s = result["name"];
array = result["A"];
for (int i=0; i < array.size(); i++)
std::cout << (int)array[i] << "\n";
record = result["subStruct"];
std::cout << (std::string)record["foo"] << "\n";
}
bool XMLRPCManager::validateXmlrpcResponse(const std::string& method, XmlRpcValue &response,
XmlRpcValue &payload)
{
if (response.getType() != XmlRpcValue::TypeArray)
{
ROSCPP_LOG_DEBUG("XML-RPC call [%s] didn't return an array",
method.c_str());
return false;
}
if (response.size() != 2 && response.size() != 3)
{
ROSCPP_LOG_DEBUG("XML-RPC call [%s] didn't return a 2 or 3-element array",
method.c_str());
return false;
}
if (response[0].getType() != XmlRpcValue::TypeInt)
{
ROSCPP_LOG_DEBUG("XML-RPC call [%s] didn't return a int as the 1st element",
method.c_str());
return false;
}
int status_code = response[0];
if (response[1].getType() != XmlRpcValue::TypeString)
{
ROSCPP_LOG_DEBUG("XML-RPC call [%s] didn't return a string as the 2nd element",
method.c_str());
return false;
}
std::string status_string = response[1];
if (status_code != 1)
{
ROSCPP_LOG_DEBUG("XML-RPC call [%s] returned an error (%d): [%s]",
method.c_str(), status_code, status_string.c_str());
return false;
}
if (response.size() > 2)
{
payload = response[2];
}
else
{
std::string empty_array = "<value><array><data></data></array></value>";
int offset = 0;
payload = XmlRpcValue(empty_array, &offset);
}
return true;
}
