Re: Several requests in one connection

["amikish" <nginx-forum@xxxxxxxx>]

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http://nutrun.com/weblog/2009/08/15/hello-world-nginx-module.html

static void
body_handler(ngx_http_request_t *r)
{
}

static ngx_int_t
ngx_handler(ngx_http_request_t *r)
{
    ngx_int_t    rc;
    ngx_buf_t   *b;
    ngx_chain_t  out;

    if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) {
        return NGX_HTTP_NOT_ALLOWED;
    }

//    rc = ngx_http_discard_request_body(r);
    rc = ngx_http_read_client_request_body(r, body_handler);

    if (rc != NGX_OK) {
        return rc;
    }

    /* set the 'Content-type' header */
    r->headers_out.content_type_len = sizeof("text/html") - 1;
    r->headers_out.content_type.len = sizeof("text/html") - 1;
    r->headers_out.content_type.data = (u_char *) "text/html";

    /* send the header only, if the request type is http 'HEAD' */
    if (r->method == NGX_HTTP_HEAD) {
        r->headers_out.status = NGX_HTTP_OK;
        r->headers_out.content_length_n = sizeof(ngx_hello_world) - 1;

        return ngx_http_send_header(r);
    }

    /* allocate a buffer for your response body */
    b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
    if (b == NULL) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    /* attach this buffer to the buffer chain */
    out.buf = b;
    out.next = NULL;

    b->pos = ngx_hello_world;
    b->last = ngx_hello_world + sizeof(ngx_hello_world) - 1;
    b->memory = 1;    /* this buffer is in memory */
    b->last_buf = 1;  /* this is the last buffer in the buffer chain */

    /* set the status line */
    r->headers_out.status = NGX_HTTP_OK;
    r->headers_out.content_length_n = sizeof(ngx_hello_world) - 1;

    /* send the headers of your response */
    rc = ngx_http_send_header(r);

    if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
        return rc;
    }

    /* send the buffer chain of your response */
    return ngx_http_output_filter(r, &out);
}

Posted at Nginx Forum: 
http://forum.nginx.org/read.php?21,217687,217698#msg-217698

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