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Replay commands

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This commit is contained in:
Nicolas Viennot 2016-03-27 01:10:23 -04:00
parent a7c5507464
commit 474487c33e
2 changed files with 48 additions and 1 deletions
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38
tmate-encoder.c
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@ -150,13 +150,48 @@ int tmate_should_replicate_cmd(const struct cmd_entry *cmd)
return 0;
}
void tmate_exec_cmd(const char *cmd)
#define sc (&session->saved_tmux_cmds)
#define SAVED_TMUX_CMD_INITIAL_SIZE 256
static void __tmate_exec_cmd(const char *cmd);
static void append_saved_cmd(struct tmate_session *session,
const char *cmd)
{
if (!sc->cmds) {
sc->capacity = SAVED_TMUX_CMD_INITIAL_SIZE;
sc->cmds = xmalloc(sizeof(char *) * sc->capacity);
sc->tail = 0;
}
if (sc->tail == sc->capacity) {
sc->capacity *= 2;
sc->cmds = xrealloc(sc->cmds, sizeof(char *) * sc->capacity);
}
sc->cmds[sc->tail++] = xstrdup(cmd);
}
static void replay_saved_cmd(struct tmate_session *session)
{
unsigned int i;
for (i = 0; i < sc->tail; i++)
__tmate_exec_cmd(sc->cmds[i]);
}
#undef sc
static void __tmate_exec_cmd(const char *cmd)
{
pack(array, 2);
pack(int, TMATE_OUT_EXEC_CMD);
pack(string, cmd);
}
void tmate_exec_cmd(const char *cmd)
{
__tmate_exec_cmd(cmd);
append_saved_cmd(&tmate_session, cmd);
}
void tmate_failed_cmd(int client_id, const char *cause)
{
pack(array, 3);
@ -363,6 +398,7 @@ void tmate_send_reconnection_state(struct tmate_session *session)
tmate_write_header();
tmate_send_reconnection_data(session);
replay_saved_cmd(session);
/* TODO send all option variables */
tmate_write_ready();

11
tmate.h
View File

@ -175,6 +175,17 @@ struct tmate_session {
struct event ev_connection_retry;
char *last_server_ip;
char *reconnection_data;
/*
* When we reconnect, instead of serializing the key bindings and
* options, we replay all the tmux commands we replicated.
* It may be a little innacurate to replicate the state, but
* it's much easier.
*/
struct {
unsigned int capacity;
unsigned int tail;
char **cmds;
} saved_tmux_cmds;
};
extern struct tmate_session tmate_session;