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/* This is a minimalist xmlrpc server.
* This program reads an XML document from standard input and
* says hello when the hello() method is called.
*/
#include <stdio.h>
#include <stdlib.h>
#include "xmlrpc.h"
#define VERBOSE 1
/* this function will be called by xmlrpc engine when registered method is found */
/* typically, most developer time will be spent writing these types of functions. */
XMLRPC_VALUE hello_callback(XMLRPC_SERVER server, XMLRPC_REQUEST request, void* userData)
{
char buf[1024];
#ifdef VERBOSE
XMLRPC_VALUE xParams = XMLRPC_RequestGetData(request); // obtain method params from request
XMLRPC_VALUE xFirstParam = XMLRPC_VectorRewind(xParams); // obtain first parameter
const char * name = XMLRPC_GetValueString(xFirstParam); // get string value
#else
const char* name = XMLRPC_GetValueString(XMLRPC_VectorRewind(XMLRPC_RequestGetData(request)));
#endif
snprintf(buf, sizeof(buf), "hello %s", name ? name : "stranger");
return XMLRPC_CreateValueString(NULL, buf, 0);
}
/* with the exception of the registration calls, most everything in main
* only needs to be written once per server.
*/
int main(int argc, char **argv)
{
XMLRPC_SERVER server;
XMLRPC_REQUEST request=0;
XMLRPC_REQUEST response;
/* create a new server object */
server = XMLRPC_ServerCreate();
/* Register public methods with the server */
XMLRPC_ServerRegisterMethod(server, "hello", hello_callback);
/* Now, let's get the client's request from stdin.... */
{
char filebuf[4096]; // not that intelligent. sue me.
int len = fread(filebuf, sizeof(char), sizeof(filebuf)-1, stdin);
if(len) {
filebuf[len] = 0;
// parse the xml into a request structure
request = XMLRPC_REQUEST_FromXML((const char*)filebuf, len, NULL);
}
}
if(!request) {
fprintf(stderr, "bogus xmlrpc request\n");
return 1;
}
/* create a response struct */
response = XMLRPC_RequestNew();
XMLRPC_RequestSetRequestType(response, xmlrpc_request_response);
/* call server method with client request and assign the response to our response struct */
XMLRPC_RequestSetData(response, XMLRPC_ServerCallMethod(server, request, NULL));
/* be courteous. reply in same vocabulary/manner as the request. */
XMLRPC_RequestSetOutputOptions(response, XMLRPC_RequestGetOutputOptions(request) );
/* serialize server response as XML */
if(1) {
char *outBuf = XMLRPC_REQUEST_ToXML(response, 0);
if(outBuf) {
printf(outBuf);
free(outBuf);
}
}
// cleanup. null safe.
XMLRPC_RequestFree(request, 1);
XMLRPC_RequestFree(response, 1);
XMLRPC_ServerDestroy(server);
return 0;
}
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