ceph/src/jaegertracing/opentelemetry-cpp/third_party/prometheus-cpp/3rdparty/civetweb/conan/test_package/test_package.cpp

   1 /*
   2  * Copyright (c) 2018-2020 the CivetWeb developers
   3  * MIT License
   4  */
   5
   6 /* Simple demo of a REST callback. */
   7 #ifdef _WIN32
   8 #include <windows.h>
   9 #else
  10 #include <unistd.h>
  11 #endif
  12
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <time.h>
  16
  17 #include "civetweb.h"
  18
  19 #define PORT "8080"
  20 #define HOST_INFO "http://localhost:8080"
  21 #define EXAMPLE_URI "/example"
  22
  23 static int exitNow = 0;
  24
  25 static int
  26 ExampleGET(struct mg_connection* conn)
  27 {
  28     mg_send_http_ok(conn, "text/plain", 10);
  29     exitNow = 1;
  30         return 200;
  31 }
  32
  33 static int
  34 ExampleHandler(struct mg_connection *conn, void *cbdata)
  35 {
  36         const struct mg_request_info *ri = mg_get_request_info(conn);
  37         (void)cbdata; /* currently unused */
  38
  39         if (0 == strcmp(ri->request_method, "GET")) {
  40                 return ExampleGET(conn);
  41         }
  42         return 405;
  43 }
  44
  45 int
  46 log_message(const struct mg_connection *conn, const char *message)
  47 {
  48         puts(message);
  49         return 1;
  50 }
  51
  52 int
  53 main(int argc, char *argv[])
  54 {
  55         struct mg_callbacks callbacks;
  56         struct mg_context *ctx;
  57         time_t start_t;
  58         time_t end_t;
  59         double diff_t;
  60         int err = 0;
  61
  62         mg_init_library(0);
  63
  64         /* Callback will print error messages to console */
  65         memset(&callbacks, 0, sizeof(callbacks));
  66         callbacks.log_message = log_message;
  67
  68         /* Start CivetWeb web server */
  69         ctx = mg_start(&callbacks, 0, NULL);
  70
  71         /* Check return value: */
  72         if (ctx == NULL) {
  73                 fprintf(stderr, "Cannot start CivetWeb - mg_start failed.\n");
  74                 return EXIT_FAILURE;
  75         }
  76
  77         /* Add handler EXAMPLE_URI, to explain the example */
  78         mg_set_request_handler(ctx, EXAMPLE_URI, ExampleHandler, 0);
  79
  80         /* Show sone info */
  81         printf("Start example: %s%s\n", HOST_INFO, EXAMPLE_URI);
  82
  83
  84         /* Wait until the server should be closed */
  85         time(&start_t);
  86         while (!exitNow) {
  87 #ifdef _WIN32
  88                 Sleep(1000);
  89 #else
  90                 sleep(1);
  91 #endif
  92         time(&end_t);
  93                 diff_t = difftime(end_t, start_t);
  94                 if (diff_t > 3.0) {
  95                         break;
  96                 }
  97         }
  98
  99         /* Stop the server */
 100         mg_stop(ctx);
 101         return EXIT_SUCCESS;
 102 }