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Core: added prefix-based temporary files.

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Now, if the "path" parameter is NULL, ngx_create_temp_file() will use
file->name as a predefined file path prefix.
This commit is contained in:
Valentin Bartenev 2014-12-26 16:22:54 +03:00
parent c07bebdcd1
commit a54e37edda
2 changed files with 21 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/core/ngx_file.c
View File

@ -111,8 +111,9 @@ ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain)
ngx_int_t rc;
if (tf->file.fd == NGX_INVALID_FILE) {
rc = ngx_create_temp_file(&tf->file, tf->path, tf->pool,
tf->persistent, tf->clean, tf->access);
rc = ngx_create_temp_file(&tf->file, tf->prefix ? NULL : tf->path,
tf->pool, tf->persistent, tf->clean,
tf->access);
if (rc != NGX_OK) {
return rc;
@ -132,12 +133,15 @@ ngx_int_t
ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
ngx_uint_t persistent, ngx_uint_t clean, ngx_uint_t access)
{
u_char *p;
uint32_t n;
ngx_err_t err;
ngx_str_t prefix;
ngx_pool_cleanup_t *cln;
ngx_pool_cleanup_file_t *clnf;
file->name.len = path->name.len + 1 + path->len + 10;
prefix = path ? path->name : file->name;
file->name.len = prefix.len + 1 + (path ? path->len : 0) + 10;
file->name.data = ngx_pnalloc(pool, file->name.len + 1);
if (file->name.data == NULL) {
@ -150,7 +154,14 @@ ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
}
#endif
ngx_memcpy(file->name.data, path->name.data, path->name.len);
p = ngx_cpymem(file->name.data, prefix.data, prefix.len);
if (path) {
p += 1 + path->len;
} else {
*p++ = '.';
}
n = (uint32_t) ngx_next_temp_number(0);
@ -160,10 +171,11 @@ ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
}
for ( ;; ) {
(void) ngx_sprintf(file->name.data + path->name.len + 1 + path->len,
"%010uD%Z", n);
(void) ngx_sprintf(p, "%010uD%Z", n);
ngx_create_hashed_filename(path, file->name.data, file->name.len);
if (path) {
ngx_create_hashed_filename(path, file->name.data, file->name.len);
}
ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
"hashed path: %s", file->name.data);
@ -192,7 +204,7 @@ ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
continue;
}
if ((path->level[0] == 0) || (err != NGX_ENOPATH)) {
if ((path == NULL) || (path->level[0] == 0) || (err != NGX_ENOPATH)) {
ngx_log_error(NGX_LOG_CRIT, file->log, err,
ngx_open_tempfile_n " \"%s\" failed",
file->name.data);

1
src/core/ngx_file.h
View File

@ -71,6 +71,7 @@ typedef struct {
unsigned log_level:8;
unsigned persistent:1;
unsigned clean:1;
unsigned prefix:1;
} ngx_temp_file_t;