Proxy_Exercise.c

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#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "helpers/dynamicstring.h"
 
#include "Proxy_ProxyService.h"
 
#include "Proxy_Exercise.h"
 
//=============================================================================
//=============================================================================
 
// ! [Using Proxy in C]
void Proxy_Exercise(void)
{
    printf("\nProxy Exercise\n");
 
    DynamicString output;
    DynamicString_Initialize(&output);
 
    printf("  Getting proxy object...\n");
    IWorkByProxy* proxyObject = GetProxyService();
 
    printf("  Calling Dowork() on proxy...\n");
    bool success = DynamicString_Set(&output, "Initial call");
    if (success)
    {
        success = proxyObject->DoWork(&output);
        if (success)
        {
            printf("  Output from proxy = \"%s\"\n", output.string);
        }
    }
    if (success)
    {
        printf("  Calling Dowork() on proxy...\n");
        success = DynamicString_Set(&output, "Second call");
        if (success)
        {
            success = proxyObject->DoWork(&output);
            if (success)
            {
                printf("  Output from proxy = \"%s\"\n", output.string);
            }
        }
    }
    if (success)
    {
        printf("  Calling Dowork() on proxy...\n");
        success = DynamicString_Set(&output, "Third call");
        if (success)
        {
            success = proxyObject->DoWork(&output);
            if (success)
            {
                printf("  Output from proxy = \"%s\"\n", output.string);
            }
        }
    }
 
    DynamicString_Clear(&output);
 
    printf("  Done.\n");
}
// ! [Using Proxy in C]