[Tarantool-patches] [PATCH v2 2/2] box: fix formatting in session.push
Chris Sosnin
k.sosnin at tarantool.org
Fri Mar 13 17:58:08 MSK 2020
box.session.push() encodes data as a YAML document independent on
the current console output format. This patch adds handling for Lua
as well.
Closes #4686
---
src/box/lua/console.c | 41 ++++++++++++++++++++++-------------
src/box/lua/console.lua | 36 +++++++++++++++++++++++-------
test/app-tap/console.test.lua | 14 +++++++++++-
3 files changed, 67 insertions(+), 24 deletions(-)
diff --git a/src/box/lua/console.c b/src/box/lua/console.c
index 603f7c11b..8d3e40f95 100644
--- a/src/box/lua/console.c
+++ b/src/box/lua/console.c
@@ -390,8 +390,8 @@ console_set_output_format(enum output_format output_format)
}
/**
- * Dump port lua data as a YAML document tagged with !push! global
- * tag.
+ * Dump port lua data with respect to output format:
+ * YAML document tagged with !push! global tag or lua string.
* @param port Port lua.
* @param[out] size Size of the result.
*
@@ -403,18 +403,28 @@ port_lua_dump_plain(struct port *port, uint32_t *size)
{
struct port_lua *port_lua = (struct port_lua *) port;
struct lua_State *L = port_lua->L;
- int rc = lua_yaml_encode(L, luaL_yaml_default, "!push!",
- "tag:tarantool.io/push,2018");
- if (rc == 2) {
- /*
- * Nil and error object are pushed onto the stack.
- */
- assert(lua_isnil(L, -2));
- assert(lua_isstring(L, -1));
- diag_set(ClientError, ER_PROC_LUA, lua_tostring(L, -1));
- return NULL;
+ enum output_format fmt = console_get_output_format();
+ if (fmt == OUTPUT_FORMAT_YAML) {
+ int rc = lua_yaml_encode(L, luaL_yaml_default, "!push!",
+ "tag:tarantool.io/push,2018");
+ if (rc == 2) {
+ /*
+ * Nil and error object are pushed onto the stack.
+ */
+ assert(lua_isnil(L, -2));
+ assert(lua_isstring(L, -1));
+ diag_set(ClientError, ER_PROC_LUA, lua_tostring(L, -1));
+ return NULL;
+ }
+ assert(rc == 1);
+ } else {
+ assert(fmt == OUTPUT_FORMAT_LUA_LINE ||
+ fmt == OUTPUT_FORMAT_LUA_BLOCK);
+ luaL_findtable(L, LUA_GLOBALSINDEX, "box.internal", 1);
+ lua_getfield(L, -1, "format_lua_value");
+ lua_pushvalue(L, -3);
+ lua_pcall(L, 1, 1, 0);
}
- assert(rc == 1);
assert(lua_isstring(L, -1));
size_t len;
const char *result = lua_tolstring(L, -1, &len);
@@ -423,10 +433,11 @@ port_lua_dump_plain(struct port *port, uint32_t *size)
}
/**
- * Push a tagged YAML document into a console socket.
+ * Push a tagged YAML document or a Lua string into a console
+ * socket.
* @param session Console session.
* @param sync Unused request sync.
- * @param port Port with YAML to push.
+ * @param port Port with the data to push.
*
* @retval 0 Success.
* @retval -1 Error.
diff --git a/src/box/lua/console.lua b/src/box/lua/console.lua
index 7208d3d30..fb7d9ca9b 100644
--- a/src/box/lua/console.lua
+++ b/src/box/lua/console.lua
@@ -27,6 +27,7 @@ local errno = require('errno')
local urilib = require('uri')
local yaml = require('yaml')
local net_box = require('net.box')
+local box_internal = require('box.internal')
local PUSH_TAG_HANDLE = '!push!'
@@ -207,6 +208,18 @@ local function current_output()
end
end
+-- Used by console_session_push.
+box_internal.format_lua_value = function(value)
+ local opts = current_output()["opts"]
+ value = format_lua_value(value, opts)
+ return '-- Push begin\n' .. value .. '\n-- Push end\n'
+end
+
+local function is_lua_push(value)
+ return string.startswith(value, '-- Push begin\n') and
+ string.endswith(value, '\n-- Push end\n')
+end
+
--
-- Return current EOS value for currently
-- active output format.
@@ -470,6 +483,7 @@ local text_connection_mt = {
eval = function(self, text)
self:preprocess_eval(text)
text = text..'$EOF$\n'
+ local output = current_output()
if not self:write(text) then
error(self:set_error())
end
@@ -478,14 +492,20 @@ local text_connection_mt = {
if not rc then
break
end
- local handle, prefix = yaml.decode(rc, {tag_only = true})
- if not handle then
- -- Can not fail - tags are encoded with no
- -- user participation and are correct always.
- return rc
- end
- if handle == PUSH_TAG_HANDLE and self.print_f then
- self.print_f(rc)
+ if output["fmt"] == "yaml" then
+ local handle, prefix = yaml.decode(rc, {tag_only = true})
+ if not handle then
+ -- Can not fail - tags are encoded with no
+ -- user participation and are correct always.
+ return rc
+ end
+ if handle == PUSH_TAG_HANDLE and self.print_f then
+ self.print_f(rc)
+ end
+ else
+ if is_lua_push(rc) and self.print_f then
+ self.print_f(rc)
+ end
end
end
return error(self:set_error())
diff --git a/test/app-tap/console.test.lua b/test/app-tap/console.test.lua
index da5c1e71e..26f3916a4 100755
--- a/test/app-tap/console.test.lua
+++ b/test/app-tap/console.test.lua
@@ -21,7 +21,7 @@ local EOL = "\n...\n"
test = tap.test("console")
-test:plan(73)
+test:plan(74)
-- Start console and connect to it
local server = console.listen(CONSOLE_SOCKET)
@@ -39,6 +39,18 @@ test:is(client:read(EOL), '%TAG !push! tag:tarantool.io/push,2018\n--- 200\n...\
"pushed message")
test:is(client:read(EOL), '---\n- true\n...\n', "pushed message")
+--
+-- gh-4686: box.session.push should respect output format.
+--
+client:write('\\set output lua\n')
+client:read(";")
+
+client:write('box.session.push(200)\n')
+test:is(client:read(";"), '-- Push begin\n200\n-- Push end\ntrue;', "pushed message")
+
+client:write('\\set output yaml\n')
+client:read(EOL)
+
--
-- gh-3790: box.session.push support uint64_t sync.
--
--
2.21.1 (Apple Git-122.3)
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