diff options
-rw-r--r-- | src/nvim/log.c | 2 | ||||
-rw-r--r-- | src/nvim/log.h | 8 | ||||
-rw-r--r-- | src/nvim/msgpack_rpc/channel.c | 61 | ||||
-rw-r--r-- | src/nvim/msgpack_rpc/helpers.c | 2 | ||||
-rw-r--r-- | test/functional/api/server_requests_spec.lua | 30 |
5 files changed, 80 insertions, 23 deletions
diff --git a/src/nvim/log.c b/src/nvim/log.c index 3baf0b2ebd..436a8a4079 100644 --- a/src/nvim/log.c +++ b/src/nvim/log.c @@ -250,7 +250,7 @@ static bool v_do_log_to_file(FILE *log_file, int log_level, static const char *log_levels[] = { [DEBUG_LOG_LEVEL] = "DEBUG", [INFO_LOG_LEVEL] = "INFO ", - [WARNING_LOG_LEVEL] = "WARN ", + [WARN_LOG_LEVEL] = "WARN ", [ERROR_LOG_LEVEL] = "ERROR", }; assert(log_level >= DEBUG_LOG_LEVEL && log_level <= ERROR_LOG_LEVEL); diff --git a/src/nvim/log.h b/src/nvim/log.h index 5064d9333b..d63bcc366c 100644 --- a/src/nvim/log.h +++ b/src/nvim/log.h @@ -6,7 +6,7 @@ #define DEBUG_LOG_LEVEL 0 #define INFO_LOG_LEVEL 1 -#define WARNING_LOG_LEVEL 2 +#define WARN_LOG_LEVEL 2 #define ERROR_LOG_LEVEL 3 #define DLOG(...) @@ -43,12 +43,12 @@ __VA_ARGS__) #endif -#if MIN_LOG_LEVEL <= WARNING_LOG_LEVEL +#if MIN_LOG_LEVEL <= WARN_LOG_LEVEL # undef WLOG # undef WLOGN -# define WLOG(...) do_log(WARNING_LOG_LEVEL, __func__, __LINE__, true, \ +# define WLOG(...) do_log(WARN_LOG_LEVEL, __func__, __LINE__, true, \ __VA_ARGS__) -# define WLOGN(...) do_log(WARNING_LOG_LEVEL, __func__, __LINE__, false, \ +# define WLOGN(...) do_log(WARN_LOG_LEVEL, __func__, __LINE__, false, \ __VA_ARGS__) #endif diff --git a/src/nvim/msgpack_rpc/channel.c b/src/nvim/msgpack_rpc/channel.c index 789cf1d4a8..ed97f298d9 100644 --- a/src/nvim/msgpack_rpc/channel.c +++ b/src/nvim/msgpack_rpc/channel.c @@ -62,7 +62,7 @@ typedef struct { ChannelType type; msgpack_unpacker *unpacker; union { - Stream stream; + Stream stream; // bidirectional (socket) Process *proc; struct { Stream in; @@ -154,7 +154,8 @@ void channel_from_connection(SocketWatcher *watcher) rstream_init(&channel->data.stream, CHANNEL_BUFFER_SIZE); rstream_start(&channel->data.stream, receive_msgpack, channel); - DLOG("ch %" PRIu64 " in/out-stream=%p", &channel->data.stream); + DLOG("ch %" PRIu64 " in/out-stream=%p", channel->id, + &channel->data.stream); } /// @param source description of source function, rplugin name, TCP addr, etc @@ -383,7 +384,18 @@ static void receive_msgpack(Stream *stream, RBuffer *rbuf, size_t c, char buf[256]; snprintf(buf, sizeof(buf), "ch %" PRIu64 " was closed by the client", channel->id); - call_set_error(channel, buf, WARNING_LOG_LEVEL); + call_set_error(channel, buf, WARN_LOG_LEVEL); + goto end; + } + + if ((chan_wstream(channel) != NULL && chan_wstream(channel)->closed) + || (chan_rstream(channel) != NULL && chan_rstream(channel)->closed)) { + char buf[256]; + snprintf(buf, sizeof(buf), + "ch %" PRIu64 ": stream closed unexpectedly. " + "closing channel", + channel->id); + call_set_error(channel, buf, WARN_LOG_LEVEL); goto end; } @@ -445,8 +457,8 @@ static void parse_msgpack(Channel *channel) // causes for this error(search for 'goto _failed') // // A not so uncommon cause for this might be deserializing objects with - // a high nesting level: msgpack will break when it's internal parse stack - // size exceeds MSGPACK_EMBED_STACK_SIZE(defined as 32 by default) + // a high nesting level: msgpack will break when its internal parse stack + // size exceeds MSGPACK_EMBED_STACK_SIZE (defined as 32 by default) send_error(channel, 0, "Invalid msgpack payload. " "This error can also happen when deserializing " "an object with high level of nesting"); @@ -544,6 +556,39 @@ static void on_request_event(void **argv) api_clear_error(&error); } +/// Returns the Stream that a Channel writes to. +static Stream *chan_wstream(Channel *chan) +{ + switch (chan->type) { + case kChannelTypeSocket: + return &chan->data.stream; + case kChannelTypeProc: + return chan->data.proc->in; + case kChannelTypeStdio: + return &chan->data.std.out; + case kChannelTypeInternal: + return NULL; + } + abort(); +} + +/// Returns the Stream that a Channel reads from. +static Stream *chan_rstream(Channel *chan) +{ + switch (chan->type) { + case kChannelTypeSocket: + return &chan->data.stream; + case kChannelTypeProc: + return chan->data.proc->out; + case kChannelTypeStdio: + return &chan->data.std.in; + case kChannelTypeInternal: + return NULL; + } + abort(); +} + + static bool channel_write(Channel *channel, WBuffer *buffer) { bool success = false; @@ -555,13 +600,9 @@ static bool channel_write(Channel *channel, WBuffer *buffer) switch (channel->type) { case kChannelTypeSocket: - success = wstream_write(&channel->data.stream, buffer); - break; case kChannelTypeProc: - success = wstream_write(channel->data.proc->in, buffer); - break; case kChannelTypeStdio: - success = wstream_write(&channel->data.std.out, buffer); + success = wstream_write(chan_wstream(channel), buffer); break; case kChannelTypeInternal: incref(channel); diff --git a/src/nvim/msgpack_rpc/helpers.c b/src/nvim/msgpack_rpc/helpers.c index 444c6cc256..98e56dee3b 100644 --- a/src/nvim/msgpack_rpc/helpers.c +++ b/src/nvim/msgpack_rpc/helpers.c @@ -361,7 +361,7 @@ typedef struct { size_t idx; } APIToMPObjectStackItem; -/// Convert type used by Neovim API to msgpack +/// Convert type used by Nvim API to msgpack type. /// /// @param[in] result Object to convert. /// @param[out] res Structure that defines where conversion results are saved. diff --git a/test/functional/api/server_requests_spec.lua b/test/functional/api/server_requests_spec.lua index 6a32f979ea..9f245d913b 100644 --- a/test/functional/api/server_requests_spec.lua +++ b/test/functional/api/server_requests_spec.lua @@ -20,6 +20,22 @@ describe('server -> client', function() cid = nvim('get_api_info')[1] end) + it('handles unexpected closed stream while preparing RPC response', function() + source([[ + let g:_nvim_args = [v:progpath, '--embed', '-n', '-u', 'NONE', '-i', 'NONE', ] + let ch1 = jobstart(g:_nvim_args, {'rpc': v:true}) + let child1_ch = rpcrequest(ch1, "nvim_get_api_info")[0] + call rpcnotify(ch1, 'nvim_eval', 'rpcrequest('.child1_ch.', "nvim_get_api_info")') + + let ch2 = jobstart(g:_nvim_args, {'rpc': v:true}) + let child2_ch = rpcrequest(ch2, "nvim_get_api_info")[0] + call rpcnotify(ch2, 'nvim_eval', 'rpcrequest('.child2_ch.', "nvim_get_api_info")') + + call jobstop(ch1) + ]]) + eq(2, eval("1+1")) -- Still alive? + end) + describe('simple call', function() it('works', function() local function on_setup() @@ -141,7 +157,7 @@ describe('server -> client', function() end) end) - describe('when the client is a recursive vim instance', function() + describe('recursive (child) nvim client', function() if os.getenv("TRAVIS") and helpers.os_name() == "osx" then -- XXX: Hangs Travis macOS since e9061117a5b8f195c3f26a5cb94e18ddd7752d86. pending("[Hangs on Travis macOS. #5002]", function() end) @@ -155,7 +171,7 @@ describe('server -> client', function() after_each(function() command('call rpcstop(vim)') end) - it('can send/recieve notifications and make requests', function() + it('can send/receive notifications and make requests', function() nvim('command', "call rpcnotify(vim, 'vim_set_current_line', 'SOME TEXT')") -- Wait for the notification to complete. @@ -188,7 +204,7 @@ describe('server -> client', function() end) end) - describe('when using jobstart', function() + describe('jobstart()', function() local jobid before_each(function() local channel = nvim('get_api_info')[1] @@ -227,7 +243,7 @@ describe('server -> client', function() end) end) - describe('when connecting to another nvim instance', function() + describe('connecting to another (peer) nvim', function() local function connect_test(server, mode, address) local serverpid = funcs.getpid() local client = spawn(nvim_argv) @@ -256,7 +272,7 @@ describe('server -> client', function() client:close() end - it('over a named pipe', function() + it('via named pipe', function() local server = spawn(nvim_argv) set_session(server) local address = funcs.serverlist()[1] @@ -265,7 +281,7 @@ describe('server -> client', function() connect_test(server, 'pipe', address) end) - it('to an ip adress', function() + it('via ip address', function() local server = spawn(nvim_argv) set_session(server) local address = funcs.serverstart("127.0.0.1:") @@ -273,7 +289,7 @@ describe('server -> client', function() connect_test(server, 'tcp', address) end) - it('to a hostname', function() + it('via hostname', function() local server = spawn(nvim_argv) set_session(server) local address = funcs.serverstart("localhost:") |