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[mod_magnet] code reuse

This commit is contained in:
Glenn Strauss 2018-04-07 14:27:07 -04:00
parent 6fb023d664
commit 4753064318
1 changed files with 22 additions and 54 deletions
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76
src/mod_magnet.c
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@ -225,6 +225,22 @@ static int magnet_pairs(lua_State *L) {
}
#endif
static void magnet_push_buffer(lua_State *L, const buffer *b) {
if (!buffer_is_empty(b))
lua_pushlstring(L, CONST_BUF_LEN(b));
else
lua_pushnil(L);
}
static int magnet_array_get_element(lua_State *L, const array *a) {
/* __index: param 1 is the (empty) table the value was not found in */
size_t klen;
const char * const k = luaL_checklstring(L, 2, &klen);
data_string * const ds = (data_string *)array_get_element_klen(a, k, klen);
magnet_push_buffer(L, NULL != ds ? ds->value : NULL);
return 1;
}
/* Define a function that will iterate over an array* (in upval 1) using current position (upval 2) */
static int magnet_array_next(lua_State *L) {
data_unset *du;
@ -242,11 +258,7 @@ static int magnet_array_next(lua_State *L) {
switch (du->type) {
case TYPE_STRING:
ds = (data_string *)du;
if (!buffer_is_empty(ds->value)) {
lua_pushlstring(L, CONST_BUF_LEN(ds->value));
} else {
lua_pushnil(L);
}
magnet_push_buffer(L, ds->value);
break;
case TYPE_INTEGER:
di = (data_integer *)du;
@ -425,27 +437,11 @@ static int magnet_atpanic(lua_State *L) {
static int magnet_reqhdr_get(lua_State *L) {
connection *con = magnet_get_connection(L);
data_string *ds;
/* __index: param 1 is the (empty) table the value was not found in */
size_t klen;
const char *key = luaL_checklstring(L, 2, &klen);
if (NULL != (ds = (data_string *)array_get_element_klen(con->request.headers, key, klen))) {
if (!buffer_is_empty(ds->value)) {
lua_pushlstring(L, CONST_BUF_LEN(ds->value));
} else {
lua_pushnil(L);
}
} else {
lua_pushnil(L);
}
return 1;
return magnet_array_get_element(L, con->request.headers);
}
static int magnet_reqhdr_pairs(lua_State *L) {
connection *con = magnet_get_connection(L);
return magnet_array_pairs(L, con->request.headers);
}
@ -585,16 +581,7 @@ static int magnet_env_get(lua_State *L) {
/* __index: param 1 is the (empty) table the value was not found in */
const char *key = luaL_checkstring(L, 2);
buffer *dest = NULL;
dest = magnet_env_get_buffer(srv, con, key);
if (!buffer_is_empty(dest)) {
lua_pushlstring(L, CONST_BUF_LEN(dest));
} else {
lua_pushnil(L);
}
magnet_push_buffer(L, magnet_env_get_buffer(srv, con, key));
return 1;
}
@ -629,8 +616,6 @@ static int magnet_env_next(lua_State *L) {
connection *con = magnet_get_connection(L);
const int pos = lua_tointeger(L, lua_upvalueindex(1));
buffer *dest;
/* ignore previous key: use upvalue for current pos */
lua_settop(L, 0);
@ -643,12 +628,7 @@ static int magnet_env_next(lua_State *L) {
lua_pushstring(L, magnet_env[pos].name);
/* get value */
dest = magnet_env_get_buffer_by_id(srv, con, magnet_env[pos].type);
if (!buffer_is_empty(dest)) {
lua_pushlstring(L, CONST_BUF_LEN(dest));
} else {
lua_pushnil(L);
}
magnet_push_buffer(L, magnet_env_get_buffer_by_id(srv, con, magnet_env[pos].type));
/* return 2 items on the stack (key, value) */
return 2;
@ -662,19 +642,7 @@ static int magnet_env_pairs(lua_State *L) {
static int magnet_cgi_get(lua_State *L) {
connection *con = magnet_get_connection(L);
data_string *ds;
/* __index: param 1 is the (empty) table the value was not found in */
size_t klen;
const char *key = luaL_checklstring(L, 2, &klen);
ds = (data_string *)array_get_element_klen(con->environment, key, klen);
if (NULL != ds && !buffer_is_empty(ds->value))
lua_pushlstring(L, CONST_BUF_LEN(ds->value));
else
lua_pushnil(L);
return 1;
return magnet_array_get_element(L, con->environment);
}
static int magnet_cgi_set(lua_State *L) {
@ -1061,7 +1029,7 @@ static handler_t magnet_attract_array(server *srv, connection *con, plugin_data
if (con->error_handler_saved_status) {
/* retrieve (possibly modified) REDIRECT_STATUS and store as number */
unsigned long x;
data_string * const ds = (data_string *)array_get_element(con->environment, "REDIRECT_STATUS");
data_string * const ds = (data_string *)array_get_element_klen(con->environment, CONST_STR_LEN("REDIRECT_STATUS"));
if (ds && (x = strtoul(ds->value->ptr, NULL, 10)) < 1000)
/*(simplified validity check x < 1000)*/
con->error_handler_saved_status =