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Diffstat (limited to 'src/nvim/msgpack_rpc/channel.c')
-rw-r--r--src/nvim/msgpack_rpc/channel.c43
1 files changed, 29 insertions, 14 deletions
diff --git a/src/nvim/msgpack_rpc/channel.c b/src/nvim/msgpack_rpc/channel.c
index 68ac35bc4e..6fd1af1ba6 100644
--- a/src/nvim/msgpack_rpc/channel.c
+++ b/src/nvim/msgpack_rpc/channel.c
@@ -117,12 +117,15 @@ void channel_teardown(void)
/// Creates an API channel by starting a process and connecting to its
/// stdin/stdout. stderr is handled by the job infrastructure.
///
-/// @param argv The argument vector for the process. [consumed]
-/// @return The channel id (> 0), on success.
-/// 0, on error.
-uint64_t channel_from_process(Process *proc, uint64_t id)
+/// @param proc process object
+/// @param id (optional) channel id
+/// @param source description of source function, rplugin name, TCP addr, etc
+///
+/// @return Channel id (> 0), on success. 0, on error.
+uint64_t channel_from_process(Process *proc, uint64_t id, char *source)
{
- Channel *channel = register_channel(kChannelTypeProc, id, proc->events);
+ Channel *channel = register_channel(kChannelTypeProc, id, proc->events,
+ source);
incref(channel); // process channels are only closed by the exit_cb
channel->data.proc = proc;
@@ -138,7 +141,8 @@ uint64_t channel_from_process(Process *proc, uint64_t id)
/// @param watcher The SocketWatcher ready to accept the connection
void channel_from_connection(SocketWatcher *watcher)
{
- Channel *channel = register_channel(kChannelTypeSocket, 0, NULL);
+ Channel *channel = register_channel(kChannelTypeSocket, 0, NULL,
+ watcher->addr);
socket_watcher_accept(watcher, &channel->data.stream);
incref(channel); // close channel only after the stream is closed
channel->data.stream.internal_close_cb = close_cb;
@@ -148,8 +152,9 @@ void channel_from_connection(SocketWatcher *watcher)
rstream_start(&channel->data.stream, receive_msgpack, channel);
}
-uint64_t channel_connect(bool tcp, const char *address,
- int timeout, const char **error)
+/// @param source description of source function, rplugin name, TCP addr, etc
+uint64_t channel_connect(bool tcp, const char *address, int timeout,
+ char *source, const char **error)
{
if (!tcp) {
char *path = fix_fname(address);
@@ -161,7 +166,7 @@ uint64_t channel_connect(bool tcp, const char *address,
xfree(path);
}
- Channel *channel = register_channel(kChannelTypeSocket, 0, NULL);
+ Channel *channel = register_channel(kChannelTypeSocket, 0, NULL, source);
if (!socket_connect(&main_loop, &channel->data.stream,
tcp, address, timeout, error)) {
decref(channel);
@@ -329,11 +334,10 @@ bool channel_close(uint64_t id)
return true;
}
-/// Creates an API channel from stdin/stdout. This is used when embedding
-/// Neovim
+/// Creates an API channel from stdin/stdout. Used to embed Nvim.
void channel_from_stdio(void)
{
- Channel *channel = register_channel(kChannelTypeStdio, 0, NULL);
+ Channel *channel = register_channel(kChannelTypeStdio, 0, NULL, NULL);
incref(channel); // stdio channels are only closed on exit
// read stream
rstream_init_fd(&main_loop, &channel->data.std.in, 0, CHANNEL_BUFFER_SIZE);
@@ -346,7 +350,7 @@ void channel_from_stdio(void)
/// when an instance connects to its own named pipe.
uint64_t channel_create_internal(void)
{
- Channel *channel = register_channel(kChannelTypeInternal, 0, NULL);
+ Channel *channel = register_channel(kChannelTypeInternal, 0, NULL, NULL);
incref(channel); // internal channel lives until process exit
return channel->id;
}
@@ -745,9 +749,12 @@ static void close_cb(Stream *stream, void *data)
decref(data);
}
+/// @param source description of source function, rplugin name, TCP addr, etc
static Channel *register_channel(ChannelType type, uint64_t id,
- MultiQueue *events)
+ MultiQueue *events, char *source)
{
+ // Jobs and channels share the same id namespace.
+ assert(id == 0 || !pmap_get(uint64_t)(channels, id));
Channel *rv = xmalloc(sizeof(Channel));
rv->events = events ? events : multiqueue_new_child(main_loop.events);
rv->type = type;
@@ -761,6 +768,14 @@ static Channel *register_channel(ChannelType type, uint64_t id,
kv_init(rv->call_stack);
kv_init(rv->delayed_notifications);
pmap_put(uint64_t)(channels, rv->id, rv);
+
+ ILOG("new channel %" PRIu64 " (%s): %s", rv->id,
+ (type == kChannelTypeProc ? "proc"
+ : (type == kChannelTypeSocket ? "socket"
+ : (type == kChannelTypeStdio ? "stdio"
+ : (type == kChannelTypeInternal ? "internal" : "?")))),
+ (source ? source : "?"));
+
return rv;
}