feat: added http response type names

include/http.h

@@ -5,8 +5,6 @@
 
 #include "picohttpparser.h"
 
-#include "event_loop.h"
-
 #define HTTP_MAX_ALLOWED_HEADERS 8
 
 extern const char http_404[];
@@ -17,6 +15,7 @@ extern const char http_500[];
 extern const size_t http_500_len;
 extern const char http_501[];
 extern const size_t http_501_len;
+extern const char *http_response_type_names[5][32];
 
 typedef enum http_request_method {
   http_request_method_get = 0,
@@ -53,12 +52,70 @@ typedef enum http_parse_error {
 /* void http_route(event_loop_conn *conn); */
 
 typedef enum http_response_type {
+  // 1xx
+  http_continue = 100,
+  http_switching_protocols = 101,
+  http_processing = 102,
+  http_early_hints = 103,
+  // 2xx
+  http_ok = 200,
+  http_created = 201,
+  http_accepted = 202,
+  http_non_authoritative_information = 203,
+  http_no_content = 204,
+  http_reset_content = 205,
+  http_partial_content = 206,
+  http_multi_status = 207,
+  http_already_reported = 208,
+  // 3xx
+  http_multiple_choices = 300,
+  http_moved_permanently = 301,
+  http_found = 302,
+  http_see_other = 303,
+  http_not_modified = 304,
+  http_temporary_redirect = 307,
+  http_permanent_redirect = 308,
+  // 4xx
+  http_bad_request = 400,
+  http_unauthorized = 401,
+  http_payment_required = 402,
+  http_forbidden = 403,
   http_not_found = 404,
   http_method_not_allowed = 405,
-  http_method_not_implemented = 501
+  http_not_acceptable = 406,
+  http_proxy_authentication_required = 407,
+  http_request_timeout = 408,
+  http_conflict = 409,
+  http_gone = 410,
+  http_length_required = 411,
+  http_precondition_failed = 412,
+  http_content_too_large = 413,
+  http_uri_too_long = 414,
+  http_unsupported_media_type = 415,
+  http_range_not_satisfiable = 416,
+  http_expection_failed = 417,
+  http_im_a_teapot = 418,
+  http_misdirected_request = 421,
+  http_unprocessable_content = 422,
+  http_locked = 423,
+  http_failed_dependency = 424,
+  http_too_early = 425,
+  http_upgrade_required = 426,
+  http_precondition_required = 428,
+  http_too_many_requests = 429,
+  http_request_header_fields_too_large = 431,
+  // 5xx
+  http_internal_server_error = 500,
+  http_method_not_implemented = 501,
+  http_bad_gateway = 502,
+  http_service_unavailable = 503,
+  http_gateway_timeout = 504,
+  http_http_version_not_supported = 505,
+  http_variant_also_negotiates = 506,
+  http_insufficient_storage = 507,
+  http_loop_detected = 508,
+  http_not_extended = 510,
+  http_network_authentication_required = 511
 } http_response_type;
 
-void http_write_standard_response(event_loop_conn *conn,
-                                  http_response_type type);
-
 #endif

include/http_loop.h

@@ -64,6 +64,9 @@ bool http_loop_route_request(event_loop_conn *conn);
 
 void http_loop_process_request(event_loop_conn *conn);
 
+void http_loop_write_standard_response(event_loop_conn *conn,
+                                       http_response_type type);
+
 /**
  * Initialize a new http loop
  */

src/http/http_res_names.c

@@ -0,0 +1,88 @@
+#include "http.h"
+
+// clang-format off
+
+const char *http_response_type_names[5][32] = {
+  {
+    "Continue", // 100
+    "Switching Protocols", // 101,
+    "Processing", // 102
+    "Early Hints", // 103
+  },
+  // 2xx
+  {
+    "OK", // 200
+    "Created", // 201
+    "Accepted", // 202
+    "Non-Authoritative Information", // 203
+    "No Content", // 204
+    "Reset Content", // 205
+    "Partial Content", // 206
+    "Multi-Status", // 207
+    "Already Reported", // 208
+  },
+  // 3xx
+  {
+    "Multiple Choices", // 300
+    "Moved Permanently", // 301
+    "Found", // 302
+    "See Other", // 303
+    "Not Modified", // 304
+    NULL, // 305
+    NULL, // 306
+    "Temporary Redirect", // 307
+    "Permanent Redirect", // 308
+  },
+  // 4xx
+  {
+    "Bad Request", // 400
+    "Unauthorized", // 401
+    "Payment Required", // 402
+    "Forbidden", // 403
+    "Not Found", // 404
+    "Method Not Allowed", // 405
+    "Not Acceptable", // 406
+    "Proxy Authentication Required", // 407
+    "Request Timeout", // 408
+    "Conflict", // 409
+    "Gone", // 410
+    "Length Required", // 411
+    "Precondition Failed", // 412
+    "Content Too Large", // 413
+    "URI Too Long", // 414
+    "Unsupported Media Type", // 415
+    "Range Not Satisfiable", // 416
+    "Expectation Failed", // 417
+    "I'm a teapot", // 418
+    NULL, // 419
+    NULL, // 420
+    "Misdirected Request", // 421
+    "Unprocessable Content", // 422
+    "Locked", // 423
+    "Failed Dependency", // 424
+    "Too Early", // 425
+    "Upgrade Required", // 426
+    NULL, // 427
+    "Precondition Required", // 428
+    "Too Many Requests", // 429
+    NULL, // 430
+    "Request Header Fields Too Large", // 431
+  },
+  // 5xx
+  {
+    "Internal Server Error", // 500
+    "Not Implemented", // 501
+    "Bad Gateway", // 502
+    "Service Unavailable", // 503
+    "Gateway Timeout", // 504
+    "HTTP Version Not Supported", // 505
+    "Variant Also Negotiates", // 506
+    "Insufficient Storage", // 507
+    "Loop Detected", // 508
+    NULL, // 509
+    "Not Extended", // 510
+    "Network Authentication Required" // 511
+  },
+};
+
+// clang-format on

src/http_loop/http_loop.c

@@ -39,7 +39,7 @@ bool http_loop_handle_request(event_loop_conn *conn) {
     // It's fun to respond with extremely specific error messages
     // https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/501
     else if (res == http_parse_error_unknown_method) {
-      http_write_standard_response(conn, 501);
+      http_loop_write_standard_response(conn, 501);
       return false;
     }
 

src/http_loop/http_loop_route.c

@@ -74,19 +74,18 @@ http_parse_error http_loop_parse_request(event_loop_conn *conn) {
 void http_loop_process_request(event_loop_conn *conn) {
   http_loop_ctx *ctx = conn->ctx;
 
-  // The end of the list of steps is marked with a NULL. When this is reached,
-  // we simply set the route to NULL, letting the http loop know a new request
-  // can be handled.
+  // We keep processing step functions as long as they don't need to wait for
+  // I/O
+  while ((ctx->route->steps[ctx->current_step] != NULL) &&
+         ctx->route->steps[ctx->current_step](conn)) {
+    ctx->current_step++;
+  }
+
+  // If we've reached the end of the list of step functions, we report the
+  // request as finished by clearing its route
   if (ctx->route->steps[ctx->current_step] == NULL) {
     ctx->route = NULL;
     ctx->current_step = 0;
-    return;
-  }
-
-  // We execute the next step
-  // NOTE can/should we execute more than one step at once here?
-  if (ctx->route->steps[ctx->current_step](conn)) {
-    ctx->current_step++;
   }
 }
 
@@ -114,7 +113,7 @@ bool http_loop_route_request(event_loop_conn *conn) {
   }
 
   // Fallthrough is to write a 404
-  http_write_standard_response(conn, http_not_found);
+  http_loop_write_standard_response(conn, http_not_found);
 
   return false;
 }

src/http_loop/http_loop_util.c

@@ -1,7 +1,7 @@
-#include "http.h"
+#include "http_loop.h"
 #include "string.h"
 
-void http_write_standard_response(event_loop_conn *conn,
+void http_loop_write_standard_response(event_loop_conn *conn,
                                        http_response_type type) {
   const char *s;
   size_t len;