lithium.cc 4.0 KB

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  1. #include "lithium_http_backend.hh"
  2. #include "lithium_mysql.hh"
  3. #include "symbols.hh"
  4. using namespace li;
  5. std::string escape_html_entities(const std::string& data)
  6. {
  7. std::string buffer;
  8. buffer.reserve(data.size());
  9. for(size_t pos = 0; pos != data.size(); ++pos) {
  10. switch(data[pos]) {
  11. case '&': buffer.append("&"); break;
  12. case '\"': buffer.append("""); break;
  13. case '\'': buffer.append("'"); break;
  14. case '<': buffer.append("&lt;"); break;
  15. case '>': buffer.append("&gt;"); break;
  16. default: buffer.append(&data[pos], 1); break;
  17. }
  18. }
  19. return std::move(buffer);
  20. }
  21. int main(int argc, char* argv[]) {
  22. if (argc != 4)
  23. {
  24. std::cerr << "Usage: " << argv[0] << " mysql_host port nprocs" << std::endl;
  25. return 1;
  26. }
  27. int port = atoi(argv[2]);
  28. int nprocs = atoi(argv[3]);
  29. auto mysql_db =
  30. mysql_database(s::host = argv[1], s::database = "hello_world", s::user = "benchmarkdbuser",
  31. s::password = "benchmarkdbpass", s::port = 3306, s::charset = "utf8");
  32. auto fortunes = sql_orm_schema(mysql_db, "Fortune").fields(
  33. s::id(s::auto_increment, s::primary_key) = int(),
  34. s::message = std::string());
  35. auto random_numbers = sql_orm_schema(mysql_db, "World").fields(
  36. s::id(s::auto_increment, s::primary_key) = int(),
  37. s::randomNumber = int());
  38. http_api my_api;
  39. my_api.get("/plaintext") = [&](http_request& request, http_response& response) {
  40. response.set_header("Content-Type", "text/plain");
  41. response.write("Hello, World!");
  42. };
  43. my_api.get("/json") = [&](http_request& request, http_response& response) {
  44. response.write_json(s::message = "Hello, World!");
  45. };
  46. my_api.get("/db") = [&](http_request& request, http_response& response) {
  47. response.write_json(random_numbers.connect(request.yield).find_one(s::id = 1234).value());
  48. };
  49. my_api.get("/queries") = [&](http_request& request, http_response& response) {
  50. std::string N_str = request.get_parameters(s::N = std::optional<std::string>()).N.value_or("1");
  51. int N = atoi(N_str.c_str());
  52. N = std::max(1, std::min(N, 500));
  53. auto c = random_numbers.connect(request.yield);
  54. std::vector<decltype(random_numbers.all_fields())> numbers(N);
  55. for (int i = 0; i < N; i++)
  56. numbers[i] = c.find_one(s::id = 1 + rand() % 9999).value();
  57. response.write_json(numbers);
  58. };
  59. my_api.get("/updates") = [&](http_request& request, http_response& response) {
  60. std::string N_str = request.get_parameters(s::N = std::optional<std::string>()).N.value_or("1");
  61. int N = atoi(N_str.c_str());
  62. N = std::max(1, std::min(N, 500));
  63. auto c = random_numbers.connect(request.yield);
  64. std::vector<decltype(random_numbers.all_fields())> numbers(N);
  65. for (int i = 0; i < N; i++)
  66. {
  67. numbers[i] = c.find_one(s::id = 1 + rand() % 9999).value();
  68. numbers[i].randomNumber = 1 + rand() % 9999;
  69. c.update(numbers[i]);
  70. }
  71. response.write_json(numbers);
  72. };
  73. my_api.get("/fortunes") = [&](http_request& request, http_response& response) {
  74. typedef decltype(fortunes.all_fields()) fortune;
  75. std::vector<fortune> table;
  76. auto c = fortunes.connect(request.yield);
  77. c.forall([&] (auto f) { table.push_back(f); });
  78. table.push_back(fortune(0, std::string("Additional fortune added at request time.")));
  79. std::sort(table.begin(), table.end(),
  80. [] (const fortune& a, const fortune& b) { return a.message < b.message; });
  81. std::stringstream ss;
  82. ss << "<!DOCTYPE html><html><head><title>Fortunes</title></head><body><table><tr><th>id</th><th>message</th></tr>";
  83. for(auto& f : table)
  84. ss << "<tr><td>" << f.id << "</td><td>" << escape_html_entities(f.message) << "</td></tr>";
  85. ss << "</table></body></html>";
  86. response.set_header("Content-Type", "text/html; charset=utf-8");
  87. response.write(ss.str());
  88. };
  89. http_serve(my_api, port, s::nthreads = nprocs);
  90. return 0;
  91. }