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libplugin: make rpc_conn a global, so we can access it from timers.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2019-05-20 20:39:48 +09:30
committed by Christian Decker
parent 688574b89c
commit c83066f8ed
1 changed files with 15 additions and 13 deletions
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28
plugins/libplugin.c
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@@ -33,10 +33,13 @@ struct plugin_conn {
MEMBUF(char) mb;
};
/* Connection to make RPC requests. */
static struct plugin_conn rpc_conn;
struct command {
u64 id;
const char *methodname;
struct plugin_conn *rpc;
bool usage_only;
};
struct out_req {
@@ -144,8 +147,7 @@ static struct command *read_json_request(const tal_t *ctx,
plugin_err("JSON id '%*.s' is not a number",
id->end - id->start,
membuf_elems(&conn->mb) + id->start);
/* Putting this in cmd avoids a global, or direct exposure to users */
cmd->rpc = rpc;
cmd->usage_only = false;
cmd->methodname = json_strdup(cmd, membuf_elems(&conn->mb), method);
return cmd;
@@ -271,7 +273,7 @@ struct command_result *command_fail(struct command *cmd,
/* We invoke param for usage at registration time. */
bool command_usage_only(const struct command *cmd)
{
return cmd->rpc == NULL;
return cmd->usage_only;
}
/* FIXME: would be good to support this! */
@@ -409,13 +411,13 @@ send_outreq_(struct command *cmd,
out->arg = arg;
uintmap_add(&out_reqs, out->id, out);
printf_json(cmd->rpc->fd,
printf_json(rpc_conn.fd,
"{ 'method': '%s', 'id': %"PRIu64", 'params': {",
method, out->id);
va_start(ap, paramfmt_single_ticks);
vprintf_json(cmd->rpc->fd, paramfmt_single_ticks, ap);
vprintf_json(rpc_conn.fd, paramfmt_single_ticks, ap);
va_end(ap);
printf_json(cmd->rpc->fd, "} }");
printf_json(rpc_conn.fd, "} }");
return &pending;
}
@@ -477,7 +479,7 @@ static struct command_result *handle_init(struct command *init_cmd,
plugin_err("chdir to %s: %s", dir, strerror(errno));
rpctok = json_delve(buf, params, ".configuration.rpc-file");
init_cmd->rpc->fd = socket(AF_UNIX, SOCK_STREAM, 0);
rpc_conn.fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (rpctok->end - rpctok->start + 1 > sizeof(addr.sun_path))
plugin_err("rpc filename '%.*s' too long",
rpctok->end - rpctok->start,
@@ -486,14 +488,14 @@ static struct command_result *handle_init(struct command *init_cmd,
addr.sun_path[rpctok->end - rpctok->start] = '\0';
addr.sun_family = AF_UNIX;
if (connect(init_cmd->rpc->fd, (struct sockaddr *)&addr, sizeof(addr)) != 0)
if (connect(rpc_conn.fd, (struct sockaddr *)&addr, sizeof(addr)) != 0)
plugin_err("Connecting to '%.*s': %s",
rpctok->end - rpctok->start, buf + rpctok->start,
strerror(errno));
deprecated_apis = streq(rpc_delve(tmpctx, "listconfigs",
"'config': 'allow-deprecated-apis'",
init_cmd->rpc,
&rpc_conn,
".allow-deprecated-apis"),
"true");
@@ -515,7 +517,7 @@ static struct command_result *handle_init(struct command *init_cmd,
}
if (init)
init(init_cmd->rpc);
init(&rpc_conn);
return command_done_ok(init_cmd, "");
}
@@ -569,7 +571,7 @@ static void setup_command_usage(const struct plugin_command *commands,
struct command *usage_cmd = tal(tmpctx, struct command);
/* This is how common/param can tell it's just a usage request */
usage_cmd->rpc = NULL;
usage_cmd->usage_only = true;
for (size_t i = 0; i < num_commands; i++) {
struct command_result *res;
@@ -585,7 +587,7 @@ void plugin_main(char *argv[],
const struct plugin_command *commands,
size_t num_commands, ...)
{
struct plugin_conn request_conn, rpc_conn;
struct plugin_conn request_conn;
const tal_t *ctx = tal(NULL, char);
struct command *cmd;
const jsmntok_t *params;