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#ifndef DDEBUG_H
#define DDEBUG_H
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
#include <nginx.h>
#if defined(DDEBUG) && (DDEBUG)
# if (NGX_HAVE_VARIADIC_MACROS)
# define dd(...) fprintf(stderr, "headers-more *** %s: ", __func__); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, " at %s line %d.\n", __FILE__, __LINE__)
# else
#include <stdarg.h>
#include <stdio.h>
#include <stdarg.h>
static ngx_inline void
dd(const char * fmt, ...) {
}
# endif
# if DDEBUG > 1
# define dd_enter() dd_enter_helper(r, __func__)
# if defined(nginx_version) && nginx_version >= 8011
# define dd_main_req_count r->main->count
# else
# define dd_main_req_count 0
# endif
static ngx_inline void
dd_enter_helper(ngx_http_request_t *r, const char *func)
{
ngx_http_posted_request_t *pr;
fprintf(stderr, "headers-more *** enter %s %.*s %.*s?%.*s c:%d m:%p r:%p ar:%p pr:%p",
func,
(int) r->method_name.len, r->method_name.data,
(int) r->uri.len, r->uri.data,
(int) r->args.len, r->args.data,
(int) dd_main_req_count, r->main,
r, r->connection->data, r->parent);
if (r->posted_requests) {
fprintf(stderr, " posted:");
for (pr = r->posted_requests; pr; pr = pr->next) {
fprintf(stderr, "%p,", pr);
}
}
fprintf(stderr, "\n");
}
# else
# define dd_enter()
# endif
#else
# if (NGX_HAVE_VARIADIC_MACROS)
# define dd(...)
# define dd_enter()
# else
#include <stdarg.h>
static ngx_inline void
dd(const char * fmt, ...) {
}
static ngx_inline void
dd_enter() {
}
# endif
#endif
#if defined(DDEBUG) && (DDEBUG)
#define dd_check_read_event_handler(r) \
dd("r->read_event_handler = %s", \
r->read_event_handler == ngx_http_block_reading ? \
"ngx_http_block_reading" : \
r->read_event_handler == ngx_http_test_reading ? \
"ngx_http_test_reading" : \
r->read_event_handler == ngx_http_request_empty_handler ? \
"ngx_http_request_empty_handler" : "UNKNOWN")
#define dd_check_write_event_handler(r) \
dd("r->write_event_handler = %s", \
r->write_event_handler == ngx_http_handler ? \
"ngx_http_handler" : \
r->write_event_handler == ngx_http_core_run_phases ? \
"ngx_http_core_run_phases" : \
r->write_event_handler == ngx_http_request_empty_handler ? \
"ngx_http_request_empty_handler" : "UNKNOWN")
#else
#define dd_check_read_event_handler(r)
#define dd_check_write_event_handler(r)
#endif
#endif /* DDEBUG_H */