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130aed7013
tg/loop.c
vvaltman 130aed7013 Fixed fail on startup
2014-08-31 21:15:49 +04:00

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/*
This file is part of telegram-cli.
Telegram-cli is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Telegram-cli is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this telegram-cli. If not, see <http://www.gnu.org/licenses/>.
Copyright Vitaly Valtman 2013-2014
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define _GNU_SOURCE
#define READLINE_CALLBACKS
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef READLINE_GNU
#include <readline/readline.h>
#include <readline/history.h>
#else
#include <readline/readline.h>
#include <readline/history.h>
#endif
#include <errno.h>
#include <poll.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <event2/event.h>
#include "interface.h"
#include "telegram.h"
#include "loop.h"
#include "lua-tg.h"
#include "tgl.h"
#include "binlog.h"
int verbosity;
extern int readline_disabled;
int binlog_read;
extern char *default_username;
extern char *auth_token;
void set_default_username (const char *s);
extern int binlog_enabled;
extern int unknown_user_list_pos;
extern int unknown_user_list[];
int register_mode;
extern int safe_quit;
extern int sync_from_start;
void got_it (char *line, int len);
void write_state_file (void);
static char *line_buffer;
static int line_buffer_size;
static int line_buffer_pos;
static int delete_stdin_event;
static void stdin_read_callback_all (int arg, short what, struct event *self) {
if (!readline_disabled) {
if (((long)arg) & 1) {
rl_callback_read_char ();
} else {
char *line = 0;
size_t len = 0;
assert (getline (&line, &len, stdin) >= 0);
got_it (line, strlen (line));
}
} else {
while (1) {
if (line_buffer_pos == line_buffer_size) {
line_buffer = realloc (line_buffer, line_buffer_size * 2 + 100);
line_buffer_size = line_buffer_size * 2 + 100;
assert (line_buffer);
}
int r = read (0, line_buffer + line_buffer_pos, line_buffer_size - line_buffer_pos);
//logprintf ("r = %d, size = %d, pos = %d, what = 0x%x, fd = %d\n", r, line_buffer_size, line_buffer_pos, (int)what, fd);
if (r < 0) {
perror ("read");
break;
}
if (r == 0) {
//struct event *ev = event_base_get_running_event (tgl_state.ev_base);
//event_del (ev);
//event_del (self);
delete_stdin_event = 1;
break;
}
line_buffer_pos += r;
while (1) {
int p = 0;
while (p < line_buffer_pos && line_buffer[p] != '\n') { p ++; }
if (p < line_buffer_pos) {
if (((long)arg) & 1) {
line_buffer[p] = 0;
interpreter (line_buffer);
} else {
got_it (line_buffer, p + 1);
}
memmove (line_buffer, line_buffer + p + 1, line_buffer_pos - p - 1);
line_buffer_pos -= (p + 1);
} else {
break;
}
}
}
}
}
static void stdin_read_callback_char (evutil_socket_t fd, short what, void *arg) {
stdin_read_callback_all (1, what, arg);
}
static void stdin_read_callback_line (evutil_socket_t fd, short what, void *arg) {
stdin_read_callback_all (2, what, arg);
}
void net_loop (int flags, int (*is_end)(void)) {
delete_stdin_event = 0;
if (verbosity >= E_DEBUG) {
logprintf ("Starting netloop\n");
}
struct event *ev = 0;
if (flags & 3) {
if (flags & 1) {
ev = event_new (tgl_state.ev_base, 0, EV_READ | EV_PERSIST, stdin_read_callback_char, 0);
} else {
ev = event_new (tgl_state.ev_base, 0, EV_READ | EV_PERSIST, stdin_read_callback_line, 0);
}
event_add (ev, 0);
}
while (!is_end || !is_end ()) {
event_base_loop (tgl_state.ev_base, EVLOOP_ONCE);
if (ev && delete_stdin_event) {
event_free (ev);
ev = 0;
}
#ifdef USE_LUA
lua_do_all ();
#endif
if (safe_quit && !tgl_state.active_queries) {
printf ("All done. Exit\n");
if (!readline_disabled) {
rl_callback_handler_remove ();
}
exit (0);
}
write_state_file ();
update_prompt ();
if (unknown_user_list_pos) {
int i;
for (i = 0; i < unknown_user_list_pos; i++) {
tgl_do_get_user_info (TGL_MK_USER (unknown_user_list[i]), 0, 0, 0);
}
unknown_user_list_pos = 0;
}
}
if (ev) {
event_free (ev);
}
if (verbosity >= E_DEBUG) {
logprintf ("End of netloop\n");
}
}
char **_s;
size_t *_l;
int got_it_ok;
void got_it (char *line, int len) {
assert (len > 0);
line[-- len] = 0; // delete end of line
*_s = line;
*_l = len;
got_it_ok = 1;
}
int is_got_it (void) {
return got_it_ok;
}
int net_getline (char **s, size_t *l) {
fflush (stdout);
// rl_already_prompted = 1;
got_it_ok = 0;
_s = s;
_l = l;
// rl_callback_handler_install (0, got_it);
net_loop (2, is_got_it);
return 0;
}
int main_loop (void) {
net_loop (1, 0);
return 0;
}
struct tgl_dc *cur_a_dc;
int is_authorized (void) {
return tgl_authorized_dc (cur_a_dc);
}
int all_authorized (void) {
int i;
for (i = 0; i <= tgl_state.max_dc_num; i++) if (tgl_state.DC_list[i]) {
if (!tgl_authorized_dc (tgl_state.DC_list[i])) {
return 0;
}
}
return 1;
}
int config_got;
int got_config (void) {
return config_got;
}
void on_get_config (void *extra, int success) {
if (!success) {
logprintf ("Can not get config.\n");
exit (1);
}
config_got = 1;
}
int should_register;
char *hash;
void sign_in_callback (void *extra, int success, int registered, const char *mhash) {
if (!success) {
logprintf ("Can not send code\n");
exit (1);
}
should_register = !registered;
hash = strdup (mhash);
}
int signed_in_ok;
void sign_in_result (void *extra, int success, struct tgl_user *U) {
if (!success) {
logprintf ("Can not login\n");
exit (1);
}
signed_in_ok = 1;
}
int signed_in (void) {
return signed_in_ok;
}
int sent_code (void) {
return hash != 0;
}
int dc_signed_in (void) {
return tgl_signed_dc (cur_a_dc);
}
void export_auth_callback (void *DC, int success) {
if (!success) {
logprintf ("Can not export auth\n");
exit (1);
}
}
int d_got_ok;
void get_difference_callback (void *extra, int success) {
assert (success);
d_got_ok = 1;
}
int dgot (void) {
return d_got_ok;
}
int zero[512];
int readline_active;
int new_dc_num;
int wait_dialog_list;
extern struct tgl_update_callback upd_cb;
#define DC_SERIALIZED_MAGIC 0x868aa81d
#define STATE_FILE_MAGIC 0x28949a93
#define SECRET_CHAT_FILE_MAGIC 0x37a1988a
char *get_auth_key_filename (void);
char *get_state_filename (void);
char *get_secret_chat_filename (void);
void read_state_file (void) {
if (binlog_enabled) { return; }
int state_file_fd = open (get_state_filename (), O_CREAT | O_RDWR, 0600);
if (state_file_fd < 0) {
return;
}
int version, magic;
if (read (state_file_fd, &magic, 4) < 4) { close (state_file_fd); return; }
if (magic != (int)STATE_FILE_MAGIC) { close (state_file_fd); return; }
if (read (state_file_fd, &version, 4) < 4) { close (state_file_fd); return; }
assert (version >= 0);
int x[4];
if (read (state_file_fd, x, 16) < 16) {
close (state_file_fd);
return;
}
int pts = x[0];
int qts = x[1];
int seq = x[2];
int date = x[3];
close (state_file_fd);
bl_do_set_seq (seq);
bl_do_set_pts (pts);
bl_do_set_qts (qts);
bl_do_set_date (date);
}
void write_state_file (void) {
if (binlog_enabled) { return; }
static int wseq;
static int wpts;
static int wqts;
static int wdate;
if (wseq >= tgl_state.seq && wpts >= tgl_state.pts && wqts >= tgl_state.qts && wdate >= tgl_state.date) { return; }
wseq = tgl_state.seq; wpts = tgl_state.pts; wqts = tgl_state.qts; wdate = tgl_state.date;
int state_file_fd = open (get_state_filename (), O_CREAT | O_RDWR, 0600);
if (state_file_fd < 0) {
logprintf ("Can not write state file '%s': %m\n", get_state_filename ());
exit (2);
}
int x[6];
x[0] = STATE_FILE_MAGIC;
x[1] = 0;
x[2] = wpts;
x[3] = wqts;
x[4] = wseq;
x[5] = wdate;
assert (write (state_file_fd, x, 24) == 24);
close (state_file_fd);
}
void write_dc (struct tgl_dc *DC, void *extra) {
int auth_file_fd = *(int *)extra;
if (!DC) {
int x = 0;
assert (write (auth_file_fd, &x, 4) == 4);
return;
} else {
int x = 1;
assert (write (auth_file_fd, &x, 4) == 4);
}
assert (DC->has_auth);
assert (write (auth_file_fd, &DC->port, 4) == 4);
int l = strlen (DC->ip);
assert (write (auth_file_fd, &l, 4) == 4);
assert (write (auth_file_fd, DC->ip, l) == l);
assert (write (auth_file_fd, &DC->auth_key_id, 8) == 8);
assert (write (auth_file_fd, DC->auth_key, 256) == 256);
}
void write_auth_file (void) {
if (binlog_enabled) { return; }
int auth_file_fd = open (get_auth_key_filename (), O_CREAT | O_RDWR, 0600);
assert (auth_file_fd >= 0);
int x = DC_SERIALIZED_MAGIC;
assert (write (auth_file_fd, &x, 4) == 4);
assert (write (auth_file_fd, &tgl_state.max_dc_num, 4) == 4);
assert (write (auth_file_fd, &tgl_state.dc_working_num, 4) == 4);
tgl_dc_iterator_ex (write_dc, &auth_file_fd);
assert (write (auth_file_fd, &tgl_state.our_id, 4) == 4);
close (auth_file_fd);
}
void write_secret_chat (tgl_peer_t *_P, void *extra) {
struct tgl_secret_chat *P = (void *)_P;
if (tgl_get_peer_type (P->id) != TGL_PEER_ENCR_CHAT) { return; }
if (P->state != sc_ok) { return; }
int *a = extra;
int fd = a[0];
a[1] ++;
int id = tgl_get_peer_id (P->id);
assert (write (fd, &id, 4) == 4);
//assert (write (fd, &P->flags, 4) == 4);
int l = strlen (P->print_name);
assert (write (fd, &l, 4) == 4);
assert (write (fd, P->print_name, l) == l);
assert (write (fd, &P->user_id, 4) == 4);
assert (write (fd, &P->admin_id, 4) == 4);
assert (write (fd, &P->date, 4) == 4);
assert (write (fd, &P->ttl, 4) == 4);
assert (write (fd, &P->layer, 4) == 4);
assert (write (fd, &P->access_hash, 8) == 8);
assert (write (fd, &P->state, 4) == 4);
assert (write (fd, &P->key_fingerprint, 8) == 8);
assert (write (fd, &P->key, 256) == 256);
}
void write_secret_chat_file (void) {
if (binlog_enabled) { return; }
int secret_chat_fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
assert (secret_chat_fd >= 0);
int x = SECRET_CHAT_FILE_MAGIC;
assert (write (secret_chat_fd, &x, 4) == 4);
x = 0;
assert (write (secret_chat_fd, &x, 4) == 4); // version
assert (write (secret_chat_fd, &x, 4) == 4); // num
int y[2];
y[0] = secret_chat_fd;
y[1] = 0;
tgl_peer_iterator_ex (write_secret_chat, y);
lseek (secret_chat_fd, 8, SEEK_SET);
assert (write (secret_chat_fd, &y[1], 4) == 4);
close (secret_chat_fd);
}
void read_dc (int auth_file_fd, int id, unsigned ver) {
int port = 0;
assert (read (auth_file_fd, &port, 4) == 4);
int l = 0;
assert (read (auth_file_fd, &l, 4) == 4);
assert (l >= 0 && l < 100);
char ip[100];
assert (read (auth_file_fd, ip, l) == l);
ip[l] = 0;
long long auth_key_id;
static unsigned char auth_key[256];
assert (read (auth_file_fd, &auth_key_id, 8) == 8);
assert (read (auth_file_fd, auth_key, 256) == 256);
//bl_do_add_dc (id, ip, l, port, auth_key_id, auth_key);
bl_do_dc_option (id, 2, "DC", l, ip, port);
bl_do_set_auth_key_id (id, auth_key);
bl_do_dc_signed (id);
}
void empty_auth_file (void) {
char *ip = tgl_state.test_mode ? TG_SERVER_TEST : TG_SERVER;
bl_do_dc_option (1, 3, "DC1", strlen (ip), ip, 443);
bl_do_set_working_dc (1);
}
int need_dc_list_update;
void read_auth_file (void) {
if (binlog_enabled) { return; }
int auth_file_fd = open (get_auth_key_filename (), O_CREAT | O_RDWR, 0600);
if (auth_file_fd < 0) {
empty_auth_file ();
return;
}
assert (auth_file_fd >= 0);
unsigned x;
unsigned m;
if (read (auth_file_fd, &m, 4) < 4 || (m != DC_SERIALIZED_MAGIC)) {
close (auth_file_fd);
empty_auth_file ();
return;
}
assert (read (auth_file_fd, &x, 4) == 4);
assert (x > 0);
int dc_working_num;
assert (read (auth_file_fd, &dc_working_num, 4) == 4);
int i;
for (i = 0; i <= (int)x; i++) {
int y;
assert (read (auth_file_fd, &y, 4) == 4);
if (y) {
read_dc (auth_file_fd, i, m);
}
}
bl_do_set_working_dc (dc_working_num);
int our_id;
int l = read (auth_file_fd, &our_id, 4);
if (l < 4) {
assert (!l);
}
if (our_id) {
bl_do_set_our_id (our_id);
}
close (auth_file_fd);
}
void read_secret_chat (int fd) {
int id, l, user_id, admin_id, date, ttl, layer, state;
long long access_hash, key_fingerprint;
static char s[1000];
static unsigned char key[256];
assert (read (fd, &id, 4) == 4);
//assert (read (fd, &flags, 4) == 4);
assert (read (fd, &l, 4) == 4);
assert (l > 0 && l < 1000);
assert (read (fd, s, l) == l);
assert (read (fd, &user_id, 4) == 4);
assert (read (fd, &admin_id, 4) == 4);
assert (read (fd, &date, 4) == 4);
assert (read (fd, &ttl, 4) == 4);
assert (read (fd, &layer, 4) == 4);
assert (read (fd, &access_hash, 8) == 8);
assert (read (fd, &state, 4) == 4);
assert (read (fd, &key_fingerprint, 8) == 8);
assert (read (fd, &key, 256) == 256);
bl_do_encr_chat_create (id, user_id, admin_id, s, l);
struct tgl_secret_chat *P = (void *)tgl_peer_get (TGL_MK_ENCR_CHAT (id));
assert (P && (P->flags & FLAG_CREATED));
bl_do_encr_chat_set_date (P, date);
bl_do_encr_chat_set_ttl (P, ttl);
bl_do_encr_chat_set_layer (P, layer);
bl_do_encr_chat_set_access_hash (P, access_hash);
bl_do_encr_chat_set_state (P, state);
bl_do_encr_chat_set_key (P, key, key_fingerprint);
}
void read_secret_chat_file (void) {
if (binlog_enabled) { return; }
int secret_chat_fd = open (get_secret_chat_filename (), O_CREAT | O_RDWR, 0600);
if (secret_chat_fd < 0) { return; }
//assert (secret_chat_fd >= 0);
int x;
assert (read (secret_chat_fd, &x, 4) == 4);
assert (x == SECRET_CHAT_FILE_MAGIC);
assert (read (secret_chat_fd, &x, 4) == 4);
assert (!x); // version
assert (read (secret_chat_fd, &x, 4) == 4);
assert (x >= 0);
while (x --> 0) {
read_secret_chat (secret_chat_fd);
}
close (secret_chat_fd);
}
void dlist_cb (void *callback_extra, int success, int size, tgl_peer_id_t peers[], int last_msg_id[], int unread_count[]) {
d_got_ok = 1;
}
int loop (void) {
//on_start ();
tgl_set_callback (&upd_cb);
tgl_init ();
if (binlog_enabled) {
double t = tglt_get_double_time ();
if (verbosity >= E_DEBUG) {
logprintf ("replay log start\n");
}
tgl_replay_log ();
if (verbosity >= E_DEBUG) {
logprintf ("replay log end in %lf seconds\n", tglt_get_double_time () - t);
}
tgl_reopen_binlog_for_writing ();
} else {
read_auth_file ();
read_state_file ();
read_secret_chat_file ();
}
binlog_read = 1;
#ifdef USE_LUA
lua_binlog_end ();
#endif
update_prompt ();
net_loop (0, all_authorized);
int i;
for (i = 0; i <= tgl_state.max_dc_num; i++) if (tgl_state.DC_list[i] && !tgl_authorized_dc (tgl_state.DC_list[i])) {
assert (0);
}
if (!tgl_signed_dc (tgl_state.DC_working)) {
if (!default_username) {
size_t size = 0;
char *user = 0;
if (!user) {
printf ("Telephone number (with '+' sign): ");
if (net_getline (&user, &size) == -1) {
perror ("getline()");
exit (EXIT_FAILURE);
}
set_default_username (user);
}
}
tgl_do_send_code (default_username, sign_in_callback, 0);
net_loop (0, sent_code);
if (verbosity >= E_DEBUG) {
logprintf ("%s\n", should_register ? "phone not registered" : "phone registered");
}
if (!should_register) {
char *code = 0;
size_t size = 0;
printf ("Code from sms (if you did not receive an SMS and want to be called, type \"call\"): ");
while (1) {
if (net_getline (&code, &size) == -1) {
perror ("getline()");
exit (EXIT_FAILURE);
}
if (!strcmp (code, "call")) {
printf ("You typed \"call\", switching to phone system.\n");
tgl_do_phone_call (default_username, hash, 0, 0);
printf ("Calling you! Code: ");
continue;
}
if (tgl_do_send_code_result (default_username, hash, code, sign_in_result, 0) >= 0) {
break;
}
printf ("Invalid code. Try again: ");
free (code);
}
} else {
printf ("User is not registered. Do you want to register? [Y/n] ");
char *code;
size_t size;
if (net_getline (&code, &size) == -1) {
perror ("getline()");
exit (EXIT_FAILURE);
}
if (!*code || *code == 'y' || *code == 'Y') {
printf ("Ok, starting registartion.\n");
} else {
printf ("Then try again\n");
exit (EXIT_SUCCESS);
}
char *first_name;
printf ("First name: ");
if (net_getline (&first_name, &size) == -1) {
perror ("getline()");
exit (EXIT_FAILURE);
}
char *last_name;
printf ("Last name: ");
if (net_getline (&last_name, &size) == -1) {
perror ("getline()");
exit (EXIT_FAILURE);
}
printf ("Code from sms (if you did not receive an SMS and want to be called, type \"call\"): ");
while (1) {
if (net_getline (&code, &size) == -1) {
perror ("getline()");
exit (EXIT_FAILURE);
}
if (!strcmp (code, "call")) {
printf ("You typed \"call\", switching to phone system.\n");
tgl_do_phone_call (default_username, hash, 0, 0);
printf ("Calling you! Code: ");
continue;
}
if (tgl_do_send_code_result_auth (default_username, hash, code, first_name, last_name, sign_in_result, 0) >= 0) {
break;
}
printf ("Invalid code. Try again: ");
free (code);
}
}
net_loop (0, signed_in);
//bl_do_dc_signed (tgl_state.DC_working);
}
for (i = 0; i <= tgl_state.max_dc_num; i++) if (tgl_state.DC_list[i] && !tgl_signed_dc (tgl_state.DC_list[i])) {
tgl_do_export_auth (i, export_auth_callback, (void*)(long)tgl_state.DC_list[i]);
cur_a_dc = tgl_state.DC_list[i];
net_loop (0, dc_signed_in);
assert (tgl_signed_dc (tgl_state.DC_list[i]));
}
write_auth_file ();
fflush (stdout);
fflush (stderr);
//read_state_file ();
//read_secret_chat_file ();
set_interface_callbacks ();
tgl_do_get_difference (sync_from_start, get_difference_callback, 0);
net_loop (0, dgot);
assert (!(tgl_state.locks & TGL_LOCK_DIFF));
if (wait_dialog_list) {
d_got_ok = 0;
tgl_do_get_dialog_list (dlist_cb, 0);
net_loop (0, dgot);
}
#ifdef USE_LUA
lua_diff_end ();
#endif
tglm_send_all_unsent ();
/*tgl_do_get_dialog_list (get_dialogs_callback, 0);
if (wait_dialog_list) {
dialog_list_got = 0;
net_loop (0, dlgot);
}*/
return main_loop ();
}
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