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#include "tmate.h"
static int msgpack_write(void *data, const char *buf, unsigned int len)
{
struct tmate_encoder *encoder = data;
evbuffer_add(encoder->buffer, buf, len);
if ((encoder->ev_readable.ev_flags & EVLIST_INSERTED) &&
!(encoder->ev_readable.ev_flags & EVLIST_ACTIVE)) {
event_active(&encoder->ev_readable, EV_READ, 0);
}
return 0;
}
void tmate_encoder_init(struct tmate_encoder *encoder)
{
msgpack_packer_init(&encoder->pk, encoder, &msgpack_write);
encoder->buffer = evbuffer_new();
}
#define msgpack_pack_string(pk, str) do { \
int __strlen = strlen(str); \
msgpack_pack_raw(pk, __strlen); \
msgpack_pack_raw_body(pk, str, __strlen); \
} while(0)
#define pack(what, ...) msgpack_pack_##what(&tmate_encoder->pk, __VA_ARGS__)
void tmate_write_header(void)
{
pack(array, 2);
pack(int, TMATE_HEADER);
pack(int, TMATE_PROTOCOL_VERSION);
}
void tmate_sync_layout(void)
{
struct session *s;
struct winlink *wl;
struct window *w;
struct window_pane *wp;
int num_panes = 0;
int num_windows = 0;
int active_pane_id = -1;
int active_window_id = -1;
/*
* We only allow one session, it makes our lives easier.
* Especially when the HTML5 client will come along.
* We make no distinction between a winlink and its window.
* TODO send the winlink in the current session stack order.
*/
s = RB_MIN(sessions, &sessions);
if (!s)
return;
num_windows = 0;
RB_FOREACH(wl, winlinks, &s->windows) {
if (wl->window)
num_windows++;
}
if (!num_windows)
return;
pack(array, 5);
pack(int, TMATE_SYNC_LAYOUT);
pack(int, s->sx);
pack(int, s->sy);
pack(array, num_windows);
RB_FOREACH(wl, winlinks, &s->windows) {
w = wl->window;
if (!w)
continue;
pack(array, 4);
pack(int, w->id);
pack(string, w->name);
num_panes = 0;
TAILQ_FOREACH(wp, &w->panes, entry)
num_panes++;
pack(array, num_panes);
TAILQ_FOREACH(wp, &w->panes, entry) {
pack(array, 5);
pack(int, wp->id);
pack(int, wp->sx);
pack(int, wp->sy);
pack(int, wp->xoff);
pack(int, wp->yoff);
if (wp == w->active)
active_pane_id = wp->id;
}
pack(int, active_pane_id);
if (wl == s->curw)
active_window_id = w->id;
}
if (active_window_id == -1) {
wl = RB_MIN(winlinks, &s->windows);
active_window_id = wl->window->id;
}
pack(int, active_window_id);
}
void tmate_pty_data(struct window_pane *wp, const char *buf, size_t len)
{
size_t max_write, to_write;
max_write = TMATE_MAX_MESSAGE_SIZE - 4;
while (len > 0) {
to_write = len < max_write ? len : max_write;
pack(array, 3);
pack(int, TMATE_PTY_DATA);
pack(int, wp->id);
pack(raw, to_write);
pack(raw_body, buf, to_write);
buf += to_write;
len -= to_write;
}
}
static const struct cmd_entry *replicated_cmds[] = {
&cmd_bind_key_entry,
&cmd_unbind_key_entry,
&cmd_set_option_entry,
&cmd_set_window_option_entry,
NULL
};
int tmate_should_replicate_cmd(const struct cmd_entry *cmd)
{
const struct cmd_entry **ptr;
for (ptr = replicated_cmds; *ptr; ptr++)
if (*ptr == cmd)
return 1;
return 0;
}
void tmate_cmd(const char *cmd)
{
pack(array, 2);
pack(int, TMATE_CMD);
pack(string, cmd);
}
void tmate_status(const char *left, const char *right)
{
static char *old_left, *old_right;
if (old_left && !strcmp(old_left, left) &&
old_right && !strcmp(old_right, right))
return;
pack(array, 3);
pack(int, TMATE_STATUS);
pack(string, left);
pack(string, right);
free(old_left);
free(old_right);
old_left = xstrdup(left);
old_right = xstrdup(right);
}
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