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#include <ngx_config.h>
#include <ngx_string.h>
#include <ngx_file.h>
#include <ngx_hunk.h>
#include <ngx_http.h>
#include <ngx_http_config.h>
#include <ngx_http_output_filter.h>
ngx_http_module_t ngx_http_static_module;
int ngx_http_static_handler(ngx_http_request_t *r)
{
int rc;
ngx_err_t err;
ngx_hunk_t *h;
ngx_http_log_ctx_t *ctx;
#if 0
ngx_http_event_static_handler_loc_conf_t *cf;
cf = (ngx_http_event_static_handler_loc_conf_t *)
ngx_get_module_loc_conf(r, &ngx_http_event_static_handler_module);
#endif
ngx_http_discard_body(r);
ctx = r->connection->log->data;
ctx->action = "sending response";
if (r->file.fd == NGX_INVALID_FILE)
r->file.fd = ngx_open_file(r->file.name.data, NGX_FILE_RDONLY);
if (r->file.fd == NGX_INVALID_FILE) {
err = ngx_errno;
ngx_log_error(NGX_LOG_ERR, r->connection->log, ngx_errno,
"ngx_http_static_handler: "
ngx_open_file_n " %s failed", r->file.name.data);
if (err == NGX_ENOENT) {
return NGX_HTTP_NOT_FOUND;
} else if (err == NGX_ENOTDIR) {
return NGX_HTTP_NOT_FOUND;
} else {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
if (!r->file.info_valid) {
if (ngx_stat_fd(r->file.fd, &r->file.info) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, ngx_errno,
"ngx_http_static_handler: "
ngx_stat_fd_n " %s failed", r->file.name.data);
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR)
ngx_log_error(NGX_LOG_ERR, r->connection->log, ngx_errno,
"ngx_http_static_handler: "
ngx_close_file_n " %s failed", r->file.name.data);
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->file.info_valid = 1;
}
#if !(WIN32) /* it's probably Unix specific */
if (!ngx_is_file(r->file.info)) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, ngx_errno,
"ngx_http_static_handler: "
"%s is not regular file", r->file.name.data);
if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR)
ngx_log_error(NGX_LOG_ERR, r->connection->log, ngx_errno,
"ngx_http_static_handler: "
ngx_close_file_n " %s failed", r->file.name.data);
return NGX_HTTP_NOT_FOUND;
}
#endif
r->headers_out.status = NGX_HTTP_OK;
r->headers_out.content_length = ngx_file_size(r->file.info);
r->headers_out.last_modified_time = ngx_file_mtime(r->file.info);
ngx_test_null(r->headers_out.content_type,
ngx_push_table(r->headers_out.headers),
NGX_HTTP_INTERNAL_SERVER_ERROR);
r->headers_out.content_type->key.len = 12;
r->headers_out.content_type->key.data = "Content-Type";
/* STUB */
if (r->exten.len) {
if (ngx_strcasecmp(r->exten.data, "html") == 0) {
r->headers_out.content_type->value.len = 25;
r->headers_out.content_type->value.data =
"text/html; charset=koi8-r";
} else if (ngx_strcasecmp(r->exten.data, "gif") == 0) {
r->headers_out.content_type->value.len = 9;
r->headers_out.content_type->value.data = "image/gif";
} else if (ngx_strcasecmp(r->exten.data, "jpg") == 0) {
r->headers_out.content_type->value.len = 10;
r->headers_out.content_type->value.data = "image/jpeg";
} else if (ngx_strcasecmp(r->exten.data, "pdf") == 0) {
r->headers_out.content_type->value.len = 15;
r->headers_out.content_type->value.data = "application/pdf";
}
} else {
r->headers_out.content_type->value.len = 25;
r->headers_out.content_type->value.data = "text/html; charset=koi8-r";
}
/**/
/* we need to allocate them before header would be sent */
ngx_test_null(h, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)),
NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_test_null(h->file, ngx_pcalloc(r->pool, sizeof(ngx_file_t)),
NGX_HTTP_INTERNAL_SERVER_ERROR);
rc = ngx_http_send_header(r);
if (r->header_only)
return rc;
#if 1
h->type = NGX_HUNK_FILE|NGX_HUNK_LAST;
h->file_pos = 0;
h->file_last = ngx_file_size(r->file.info);
h->file->fd = r->file.fd;
h->file->log = r->connection->log;
rc = ngx_http_output_filter(r, h);
ngx_log_debug(r->connection->log, "0 output_filter: %d" _ rc);
#else
#define BLK 10000
{
int i, s;
s = ngx_file_size(r->file.info);
for (i = 0; i < s; i += BLK) {
ngx_test_null(h, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)),
NGX_HTTP_INTERNAL_SERVER_ERROR);
ngx_test_null(h->file, ngx_pcalloc(r->pool, sizeof(ngx_file_t)),
NGX_HTTP_INTERNAL_SERVER_ERROR);
h->type = NGX_HUNK_FILE;
if (s - i <= BLK) {
h->type |= NGX_HUNK_LAST;
}
h->pos.file = i;
h->last.file = i + BLK;
if (h->last.file > s) {
h->last.file = s;
}
h->file->fd = r->file.fd;
h->file->log = r->connection->log;
rc = ngx_http_output_filter(r, h);
ngx_log_debug(r->connection->log, "0 output_filter: %d" _ rc);
}
}
#endif
return rc;
}
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