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Viewing changes to docs/libgearman/examples/gearman_execute_example.c

  • Committer: Bazaar Package Importer
  • Author(s): Monty Taylor
  • Date: 2009-09-28 21:43:31 UTC
  • mto: (1.2.3 upstream) (6.1.1 sid)
  • mto: This revision was merged to the branch mainline in revision 5.
  • Revision ID: james.westby@ubuntu.com-20090928214331-9bku0d3v1b1ypgp4
Import upstream version 0.10

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docs/libgearman/examples/gearman_execute_example.c
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/*
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  Example code to show how to send a string to a function called "reverse" and print the results.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <libgearman/gearman.h>
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int main(void)
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{
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  gearman_client_st *client= gearman_client_create(NULL);
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  gearman_return_t ret= gearman_client_add_server(client, "localhost", 0);
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  if (gearman_failed(ret))
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  {
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    return EXIT_FAILURE;
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  }
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  gearman_argument_t value= gearman_argument_make(0, 0, "Reverse Me", strlen("Reverse Me"));
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  gearman_task_st *task= gearman_execute(client, 
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                                         "reverse", strlen("reverse"),  // function
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                                         NULL, 0,  // no unique value provided
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                                         NULL, 
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                                         &value, 0);
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  if (task == NULL) // If gearman_execute() can return NULL on error
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  {
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    fprintf(stderr, "Error: %s\n", gearman_client_error(client));
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    gearman_client_free(client);
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    return EXIT_FAILURE;
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  }
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  // Make sure the task was run successfully
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  if (gearman_success(gearman_task_return(task)))
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  {
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    // Make use of value
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    gearman_result_st *result= gearman_task_result(task);
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    printf("%.*s\n", (int)gearman_result_size(result), gearman_result_value(result));
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  }
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  gearman_client_free(client);
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  return EXIT_SUCCESS;
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}