#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>

static ngx_int_t ngx_http_pow_init(ngx_conf_t *cf);
static ngx_int_t ngx_http_pow_handler(ngx_http_request_t *r);

static ngx_http_module_t  ngx_http_pow_module_ctx = {
    NULL,                                  /* preconfiguration */
    ngx_http_pow_init,                     /* postconfiguration */

    NULL,                                  /* create main configuration */
    NULL,                                  /* init main configuration */

    NULL,                                  /* create server configuration */
    NULL,                                  /* merge server configuration */

    NULL,                                  /* create location configuration */
    NULL                                   /* merge location configuration */
};

ngx_module_t  ngx_http_pow = {
    NGX_MODULE_V1,
    &ngx_http_pow_module_ctx,	   /* module context */
    NULL,                          /* module directives */
    NGX_HTTP_MODULE,               /* module type */
    NULL,                          /* init master */
    NULL,                          /* init module */
    NULL,                          /* init process */
    NULL,                          /* init thread */
    NULL,                          /* exit thread */
    NULL,                          /* exit process */
    NULL,                          /* exit master */
    NGX_MODULE_V1_PADDING
};

static ngx_int_t
ngx_http_pow_handler(ngx_http_request_t *r)
{
	ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
			"ngx_http_pow_handler was invoked");

    return NGX_DECLINED;
}


static ngx_int_t
ngx_http_pow_init(ngx_conf_t *cf)
{
    ngx_http_handler_pt        *h;
    ngx_http_core_main_conf_t  *cmcf;

    cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);

    h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers);
    if (h == NULL) {
        return NGX_ERROR;
    }

    *h = ngx_http_pow_handler;

	ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0,
			"ngx_http_pow_init was invoked");

    return NGX_OK;
}