/**
* @brief Main function logic
*
* Parse command line options and start running threads
*/
int
main(int argc, char* argv[])
{
int opt, idx, limit, only_calls, no_incomplete, i;
const char *device, *outfile;
char bpf[512];
const char *keyfile;
const char *match_expr;
int match_insensitive = 0, match_invert = 0;
int no_interface = 0, quiet = 0, rtp_capture = 0;
vector_t *infiles = vector_create(0, 1);
// Program otptions
static struct option long_options[] = {
{ "help", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'V' },
{ "device", required_argument, 0, 'd' },
{ "input", required_argument, 0, 'I' },
{ "output", required_argument, 0, 'O' },
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
{ "keyfile", required_argument, 0, 'k' },
#endif
{ "calls", no_argument, 0, 'c' },
{ "rtp", no_argument, 0, 'r' },
{ "limit", no_argument, 0, 'l' },
{ "icase", no_argument, 0, 'i' },
{ "invert", no_argument, 0, 'v' },
{ "no-interface", no_argument, 0, 'N' },
{ "dump-config", no_argument, 0, 'D' },
#ifdef USE_EEP
{ "eep-listen", required_argument, 0, 'L' },
{ "eep-send", required_argument, 0, 'H' },
#endif
{ "quiet", no_argument, 0, 'q' },
};
// Initialize configuration options
init_options();
// Get initial values for configurable arguments
device = setting_get_value(SETTING_CAPTURE_DEVICE);
outfile = setting_get_value(SETTING_CAPTURE_OUTFILE);
keyfile = setting_get_value(SETTING_CAPTURE_KEYFILE);
limit = setting_get_intvalue(SETTING_CAPTURE_LIMIT);
only_calls = setting_enabled(SETTING_SIP_CALLS);
no_incomplete = setting_enabled(SETTING_SIP_NOINCOMPLETE);
rtp_capture = setting_enabled(SETTING_CAPTURE_RTP);
// Parse command line arguments
opterr = 0;
char *options = "hVd:I:O:pqtW:k:crl:ivNqDL:H:";
while ((opt = getopt_long(argc, argv, options, long_options, &idx)) != -1) {
switch (opt) {
case 'h':
usage();
return 0;
case 'V':
version();
return 0;
case 'd':
device = optarg;
break;
case 'I':
vector_append(infiles, optarg);
break;
case 'O':
outfile = optarg;
break;
case 'l':
if(!(limit = atoi(optarg))) {
fprintf(stderr, "Invalid limit value.\n");
return 0;
}
break;
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
case 'k':
keyfile = optarg;
break;
#endif
case 'c':
only_calls = 1;
setting_set_value(SETTING_SIP_CALLS, SETTING_ON);
break;
case 'r':
rtp_capture = 1;
setting_set_value(SETTING_CAPTURE_RTP, SETTING_ON);
break;
case 'i':
match_insensitive++;
break;
case 'v':
match_invert++;
break;
case 'N':
no_interface = 1;
setting_set_value(SETTING_CAPTURE_STORAGE, "none");
break;
case 'q':
quiet = 1;
break;
case 'D':
key_bindings_dump();
settings_dump();
return 0;
// Dark options for dummy ones
case 'p':
case 't':
case 'W':
break;
#ifdef USE_EEP
case 'L':
capture_eep_set_server_url(optarg);
break;
case 'H':
capture_eep_set_client_url(optarg);
break;
#endif
case '?':
if (strchr(options, optopt)) {
fprintf(stderr, "-%c option requires an argument.\n", optopt);
} else if (isprint(optopt)) {
fprintf(stderr, "Unknown option -%c.\n", optopt);
} else {
fprintf(stderr, "Unknown option character '\\x%x'.\n", optopt);
}
return 1;
default:
break;
}
}
#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
// Set capture decrypt key file
capture_set_keyfile(keyfile);
// Check if we have a keyfile and is valid
if (keyfile && !tls_check_keyfile(keyfile)) {
fprintf(stderr, "%s does not contain a valid RSA private key.\n", keyfile);
return 1;
}
#endif
// Check if given argument is a file
if (argc == 2 && (access(argv[1], F_OK) == 0)) {
// Old legacy option to open pcaps without other arguments
printf("%s seems to be a file: You forgot -I flag?\n", argv[1]);
return 0;
}
// Initialize SIP Messages Storage
sip_init(limit, only_calls, no_incomplete);
// Set capture options
capture_init(limit, rtp_capture);
#ifdef USE_EEP
// Initialize EEP if enabled
capture_eep_init();
#endif
// If we have an input file, load it
if (vector_count(infiles)) {
for (i = 0; i < vector_count(infiles); i++) {
// Try to load file
if (capture_offline(vector_item(infiles, i), outfile) != 0)
return 1;
}
} else {
// Check if all capture data is valid
if (capture_online(device, outfile) != 0)
return 1;
}
// Remove Input files vector
vector_destroy(infiles);
// More arguments pending!
if (argv[optind]) {
// Assume first pending argument is match expression
match_expr = argv[optind++];
// Try to build the bpf filter string with the rest
memset(bpf, 0, sizeof(bpf));
for (i = optind; i < argc; i++)
sprintf(bpf + strlen(bpf), "%s ", argv[i]);
// Check if this BPF filter is valid
if (capture_set_bpf_filter(bpf) != 0) {
// BPF Filter invalid, check incluiding match_expr
match_expr = 0; // There is no need to parse all payload at this point
// Build the bpf filter string
memset(bpf, 0, sizeof(bpf));
for (i = optind - 1; i < argc; i++)
sprintf(bpf + strlen(bpf), "%s ", argv[i]);
// Check bpf filter is valid again
if (capture_set_bpf_filter(bpf) != 0) {
fprintf(stderr, "Couldn't install filter %s: %s\n", bpf, capture_last_error());
return 1;
}
}
// Set the capture filter
if (match_expr)
if (sip_set_match_expression(match_expr, match_insensitive, match_invert)) {
fprintf(stderr, "Unable to parse expression %s\n", match_expr);
return 1;
}
}
// Start a capture thread
if (capture_launch_thread() != 0) {
ncurses_deinit();
fprintf(stderr, "Failed to launch capture thread.\n");
return 1;
}
if (!no_interface) {
// Initialize interface
ncurses_init();
// This is a blocking call.
// Create the first panel and wait for user input
ui_create_panel(PANEL_CALL_LIST);
wait_for_input();
} else {
setbuf(stdout, NULL);
while(capture_get_status() != CAPTURE_OFFLINE) {
if (!quiet)
printf("\rDialog count: %d", sip_calls_count());
usleep(500 * 1000);
}
if (!quiet)
printf("\rDialog count: %d\n", sip_calls_count());
}
// Capture deinit
capture_deinit();
// Deinitialize interface
ncurses_deinit();
// Deinitialize configuration options
deinit_options();
// Deallocate sip stored messages
sip_deinit();
// Leaving!
return 0;
}
int main(int argc, char *argv[])
{
/** return value of main() */
int res = 1;
/* current configuration */
LedPrefs *prefs = NULL;
/* current setup */
LedSetup *setup = NULL;
/** framebuffer for captured image */
LedFrame *frame = NULL;
/* check binary version compatibility */
NFT_LED_CHECK_VERSION
/* set default loglevel to INFO */
nft_log_level_set(L_INFO);
/* initialize exit handlers */
int signals[] = { SIGHUP, SIGINT, SIGQUIT, SIGABRT };
unsigned int i;
for(i=0; i<sizeof(signals)/sizeof(int); i++)
{
if(signal(signals[i], _exit_signal_handler) == SIG_ERR)
{
NFT_LOG_PERROR("signal()");
goto _m_exit;
}
}
/* default fps */
_c.fps = 25;
/* default mechanism */
_c.method = METHOD_MIN+1;
/* default config-filename */
if(!led_prefs_default_filename(_c.prefsfile, sizeof(_c.prefsfile), ".ledcap.xml"))
goto _m_exit;
/* parse cmdline-arguments */
if(!_parse_args(argc, argv))
goto _m_exit;
/* print welcome msg */
NFT_LOG(L_INFO, "%s %s (c) D.Hiepler 2006-2012", PACKAGE_NAME, ledcap_version_long());
NFT_LOG(L_VERBOSE, "Loglevel: %s", nft_log_level_to_string(nft_log_level_get()));
/* initialize preferences context */
if(!(prefs = led_prefs_init()))
return -1;
/* parse prefs-file */
LedPrefsNode *pnode;
if(!(pnode = led_prefs_node_from_file(_c.prefsfile)))
{
NFT_LOG(L_ERROR, "Failed to open configfile \"%s\"",
_c.prefsfile);
goto _m_exit;
}
/* create setup from prefs-node */
if(!(setup = led_prefs_setup_from_node(prefs, pnode)))
{
NFT_LOG(L_ERROR, "No valid setup found in preferences file.");
led_prefs_node_free(pnode);
goto _m_exit;
}
/* free preferences node */
led_prefs_node_free(pnode);
/* determine width of input-frames */
LedFrameCord width, height;
if((width = led_setup_get_width(setup)) > _c.width)
{
NFT_LOG(L_WARNING, "LED-Setup width (%d) > our width (%d). Using setup-value",
width,_c.width);
/* use dimensions of mapped chain */
_c.width = width;
}
/* determine height of input-frames */
if((height = led_setup_get_height(setup)) > _c.height)
{
NFT_LOG(L_WARNING, "LED-Setup height (%d) > our height (%d). Using setup-value.",
height, _c.height);
/* use dimensions of mapped chain */
_c.height = height;
}
if(_c.width < 0)
{
NFT_LOG(L_ERROR, "width (%d) < 0", _c.width);
goto _m_exit;
}
if(_c.height < 0)
{
NFT_LOG(L_ERROR, "height (%d) < 0", _c.height);
goto _m_exit;
}
/* sanitize x-offset @todo check for maximum */
if(_c.x < 0)
{
NFT_LOG(L_ERROR, "Invalid x coordinate: %d, using 0", _c.x);
_c.x = 0;
}
/* sanitize y-offset @todo check for maximum */
if(_c.y < 0)
{
NFT_LOG(L_ERROR, "Invalid y coordinate: %d, using 0", _c.y);
_c.y = 0;
}
/* initialize capture mechanism (only imlib for now) */
if(!capture_init(_c.method))
goto _m_exit;
/* allocate framebuffer */
NFT_LOG(L_INFO, "Allocating frame: %dx%d (%s)",
_c.width, _c.height, capture_format());
if(!(frame = led_frame_new(_c.width, _c.height, led_pixel_format_from_string(capture_format()))))
goto _m_exit;
/* respect endianess */
led_frame_set_big_endian(frame, capture_is_big_endian());
/* get first hardware */
LedHardware *hw;
if(!(hw = led_setup_get_hardware(setup)))
goto _m_exit;
/* initialize pixel->led mapping */
if(!led_hardware_list_refresh_mapping(hw))
goto _m_exit;
/* precalc memory offsets for actual mapping */
if(!led_chain_map_from_frame(led_hardware_get_chain(hw), frame))
goto _m_exit;
/* set saved gain to all registered hardware instances */
if(!led_hardware_list_refresh_gain(hw))
goto _m_exit;
/* print some debug-info */
led_frame_print(frame, L_VERBOSE);
led_hardware_print(hw, L_VERBOSE);
/* initially sample time for frametiming */
if(!led_fps_sample())
goto _m_exit;
/* output some useful info */
NFT_LOG(L_INFO, "Capturing %dx%d pixels at position x/y: %d/%d", _c.width, _c.height, _c.x, _c.y);
/* loop until _c.running is set to FALSE */
_c.running = TRUE;
while(_c.running)
{
/* capture frame */
if(!(capture_frame(frame, _c.x, _c.y)))
break;
/* print frame for debugging */
//led_frame_buffer_print(frame);
/* map from frame */
LedHardware *h;
for(h = hw; h; h = led_hardware_list_get_next(h))
{
if(!led_chain_fill_from_frame(led_hardware_get_chain(h), frame))
{
NFT_LOG(L_ERROR, "Error while mapping frame");
break;
}
}
/* send frame to hardware(s) */
led_hardware_list_send(hw);
/* delay in respect to fps */
if(!led_fps_delay(_c.fps))
break;
/* show frame */
led_hardware_list_show(hw);
/* save time when frame is displayed */
if(!led_fps_sample())
break;
}
/* mark success */
res = 0;
_m_exit:
/* deinitialize capture mechanism */
capture_deinit();
/* free frame */
led_frame_destroy(frame);
/* destroy config */
led_setup_destroy(setup);
/* destroy config */
led_prefs_deinit(prefs);
return res;
}
