mirror of
https://github.com/tmate-io/tmate.git
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160 lines
3.9 KiB
C
160 lines
3.9 KiB
C
#ifndef TMATE_H
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#define TMATE_H
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#include <sys/types.h>
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#include <msgpack.h>
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#include <libssh/libssh.h>
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#include <libssh/callbacks.h>
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#include <event.h>
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#include "tmux.h"
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#define tmate_debug(...) log_debug("[tmate] " __VA_ARGS__)
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#define tmate_warn(...) log_warn("[tmate] " __VA_ARGS__)
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#define tmate_info(...) log_info("[tmate] " __VA_ARGS__)
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#define tmate_fatal(...) log_fatal("[tmate] " __VA_ARGS__)
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/* tmate-encoder.c */
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#define TMATE_MAX_MESSAGE_SIZE (16*1024)
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#define TMATE_PROTOCOL_VERSION 4
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enum tmate_commands {
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TMATE_HEADER,
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TMATE_SYNC_LAYOUT,
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TMATE_PTY_DATA,
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TMATE_EXEC_CMD,
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TMATE_FAILED_CMD,
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TMATE_STATUS,
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TMATE_SYNC_COPY_MODE,
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TMATE_WRITE_COPY_MODE,
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};
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struct tmate_encoder {
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msgpack_packer pk;
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struct evbuffer *buffer;
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struct event ev_readable;
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};
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extern void tmate_encoder_init(struct tmate_encoder *encoder);
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extern void tmate_write_header(void);
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extern void tmate_sync_layout(void);
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extern void tmate_pty_data(struct window_pane *wp, const char *buf, size_t len);
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extern int tmate_should_replicate_cmd(const struct cmd_entry *cmd);
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extern void tmate_exec_cmd(const char *cmd);
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extern void tmate_failed_cmd(int client_id, const char *cause);
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extern void tmate_status(const char *left, const char *right);
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extern void tmate_sync_copy_mode(struct window_pane *wp);
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extern void tmate_write_copy_mode(struct window_pane *wp, const char *str);
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/* tmate-decoder.c */
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enum tmate_client_commands {
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TMATE_NOTIFY,
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TMATE_CLIENT_PANE_KEY,
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TMATE_CLIENT_RESIZE,
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TMATE_CLIENT_EXEC_CMD,
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TMATE_CLIENT_ENV,
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TMATE_CLIENT_READY,
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};
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struct tmate_decoder {
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struct msgpack_unpacker unpacker;
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int ready;
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};
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extern int tmate_sx;
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extern int tmate_sy;
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extern void tmate_decoder_init(struct tmate_decoder *decoder);
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extern void tmate_decoder_get_buffer(struct tmate_decoder *decoder,
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char **buf, size_t *len);
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extern void tmate_decoder_commit(struct tmate_decoder *decoder, size_t len);
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/* tmate-ssh-client.c */
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enum tmate_ssh_client_state_types {
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SSH_NONE,
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SSH_INIT,
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SSH_CONNECT,
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SSH_AUTH_SERVER,
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SSH_AUTH_CLIENT,
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SSH_OPEN_CHANNEL,
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SSH_BOOTSTRAP,
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SSH_READY,
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};
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struct tmate_ssh_client {
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/* XXX The "session" word is used for three things:
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* - the ssh session
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* - the tmate sesssion
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* - the tmux session
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* A tmux session is associated 1:1 with a tmate session.
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* An ssh session belongs to a tmate session, and a tmate session
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* has one ssh session, except during bootstrapping where
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* there is one ssh session per tmate server, and the first one wins.
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*/
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struct tmate_session *tmate_session;
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TAILQ_ENTRY(tmate_ssh_client) node;
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char *server_ip;
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int has_encoder;
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int state;
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/*
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* ssh_callbacks is allocated because the libssh API sucks (userdata
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* has to be in the struct itself).
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*/
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struct ssh_callbacks_struct ssh_callbacks;
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char *tried_passphrase;
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ssh_session session;
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ssh_channel channel;
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struct event ev_ssh;
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struct event ev_ssh_reconnect;
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};
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TAILQ_HEAD(tmate_ssh_clients, tmate_ssh_client);
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extern struct tmate_ssh_client *tmate_ssh_client_alloc(struct tmate_session *session,
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const char *server_ip);
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/* tmate-session.c */
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struct tmate_session {
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struct tmate_encoder encoder;
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struct tmate_decoder decoder;
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/*
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* This list contains one connection per IP. The first connected
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* client wins, and saved in *client. When we have a winner, the
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* losers are disconnected and killed.
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*/
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struct tmate_ssh_clients clients;
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int need_passphrase;
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char *passphrase;
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};
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extern struct tmate_session tmate_session;
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extern void tmate_session_init(void);
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extern void tmate_session_start(void);
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/* tmate-debug.c */
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extern void tmate_print_trace(void);
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extern void tmate_catch_sigsegv(void);
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/* tmate-msg.c */
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extern void __tmate_status_message(const char *fmt, va_list ap);
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extern void printflike1 tmate_status_message(const char *fmt, ...);
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/* tmate-env.c */
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extern int tmate_has_received_env(void);
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extern void tmate_set_env(const char *name, const char *value);
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extern void tmate_format(struct format_tree *ft);
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#endif
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