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Set env tmate_num_clients on client join/leave #111

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Set env tmate_num_clients on client join/leave #111

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2 changes: 2 additions & 0 deletions tmate-daemon-decoder.c
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,8 @@ static void tmate_header(struct tmate_session *session,
tmate_set_env("tmate_ssh", ssh_conn_str);
free(ssh_conn_str);

tmate_set_env("tmate_num_clients", "0");

tmate_send_client_ready();
}

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16 changes: 16 additions & 0 deletions tmate-websocket.c
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Original file line number Diff line number Diff line change
Expand Up @@ -216,10 +216,25 @@ void tmate_websocket_exec(struct tmate_session *session, const char *command)
pack(string, command);
}

int tmate_set_num_clients()
{
int num_clients = 0;
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
++num_clients;
}
char *num_clients_str;
xasprintf(&num_clients_str, "%d", num_clients);
tmate_set_env("tmate_num_clients", num_clients_str);
free(num_clients_str);
tmate_debug("tmate_num_clients: %d", num_clients);
}

void tmate_notify_client_join(__unused struct tmate_session *session,
struct client *c)
{
tmate_info("Client joined (cid=%d)", c->id);
tmate_set_num_clients();

if (!tmate_has_websocket())
return;
Expand All @@ -241,6 +256,7 @@ void tmate_notify_client_left(__unused struct tmate_session *session,
return;

tmate_info("Client left (cid=%d)", c->id);
tmate_set_num_clients();

if (!tmate_has_websocket())
return;
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