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/* A simple synchronous XML-RPC client written in C, as an example of
an Xmlrpc-c client. This invokes the sample.add procedure that the
Xmlrpc-c example server.c server provides. I.e. it adds to numbers
together, the hard way.
*/
#include <stdlib.h>
#include <stdio.h>
#include <xmlrpc-c/base.h>
#include <xmlrpc-c/client.h>
#include "config.h" /* information about this build environment */
#define NAME "Xmlrpc-c Test Client"
#define VERSION "1.0"
static void
die_if_fault_occurred (xmlrpc_env *env) {
if (env->fault_occurred) {
fprintf(stderr, "XML-RPC Fault: %s (%d)\n",
env->fault_string, env->fault_code);
exit(1);
}
}
int
main(int const argc,
const char ** const argv ATTR_UNUSED) {
xmlrpc_env env;
xmlrpc_value *result;
xmlrpc_int32 sum;
char * const serverUrl = "http://localhost:8080/RPC2";
char * const methodName = "sample.add";
if (argc-1 > 0) {
fprintf(stderr, "This program has no arguments\n");
exit(1);
}
/* Initialize our error-handling environment. */
xmlrpc_env_init(&env);
/* Start up our XML-RPC client library. */
xmlrpc_client_init2(&env, XMLRPC_CLIENT_NO_FLAGS, NAME, VERSION, NULL, 0);
die_if_fault_occurred(&env);
printf("Making XMLRPC call to server url '%s' method '%s' "
"to request the sum "
"of 5 and 7...\n", serverUrl, methodName);
/* Make the remote procedure call */
result = xmlrpc_client_call(&env, serverUrl, methodName,
"(ii)", (xmlrpc_int32) 5, (xmlrpc_int32) 7);
die_if_fault_occurred(&env);
/* Get our sum and print it out. */
xmlrpc_read_int(&env, result, &sum);
die_if_fault_occurred(&env);
printf("The sum is %d\n", sum);
/* Dispose of our result value. */
xmlrpc_DECREF(result);
/* Clean up our error-handling environment. */
xmlrpc_env_clean(&env);
/* Shutdown our XML-RPC client library. */
xmlrpc_client_cleanup();
return 0;
}
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