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refactoring

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This commit is contained in:
Devaev Maxim
2019-07-11 19:40:42 +03:00
parent c4a5eea75b
commit 6ace44e4de
1 changed files with 43 additions and 54 deletions
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97
src/main.c
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@@ -27,6 +27,7 @@
#include <stdio.h>
#include <stdbool.h>
#include <limits.h>
#include <signal.h>
#include <getopt.h>
@@ -212,11 +213,13 @@ static void _help(struct device_t *dev, struct encoder_t *encoder, struct http_s
}
static int _parse_options(int argc, char *argv[], struct device_t *dev, struct encoder_t *encoder, struct http_server_t *server) {
# define OPT_SET(_dest, _value) \
{ _dest = _value; break; }
# define OPT_SET(_dest, _value) { \
_dest = _value; \
break; \
}
# define OPT_UNSIGNED(_dest, _name, _min, _max) { \
errno = 0; char *_end = NULL; int _tmp = strtol(optarg, &_end, 0); \
# define OPT_NUMBER(_name, _dest, _min, _max, _base) { \
errno = 0; char *_end = NULL; int _tmp = strtol(optarg, &_end, _base); \
if (errno || *_end || _tmp < _min || _tmp > _max) { \
printf("Invalid value for '%s=%s': min=%u, max=%u\n", _name, optarg, _min, _max); \
return -1; \
@@ -225,12 +228,7 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct e
break; \
}
# define OPT_RESOLUTION_OBSOLETE(_dest, _name, _replace, _min, _max) { \
printf("\n=== WARNING! The option '%s' is obsolete; use '%s' instead it ===\n\n", _name, _replace); \
OPT_UNSIGNED(_dest, _name, _min, _max); \
}
# define OPT_RESOLUTION(_dest_width, _dest_height, _name, _min_width, _min_height) { \
# define OPT_RESOLUTION(_name, _dest_width, _dest_height, _min_width, _min_height) { \
int _tmp_width, _tmp_height; \
if (sscanf(optarg, "%dx%d", &_tmp_width, &_tmp_height) != 2) { \
printf("Invalid value for '%s=%s'\n", _name, optarg); \
@@ -249,7 +247,12 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct e
break; \
}
# define OPT_PARSE(_dest, _func, _invalid, _name) { \
# define OPT_RESOLUTION_OBSOLETE(_name, _replace, _dest, _min, _max) { \
printf("\n=== WARNING! The option '%s' is obsolete; use '%s' instead it ===\n\n", _name, _replace); \
OPT_NUMBER(_name, _dest, _min, _max, 0); \
}
# define OPT_PARSE(_name, _dest, _func, _invalid) { \
if ((_dest = _func(optarg)) == _invalid) { \
printf("Unknown " _name ": %s\n", optarg); \
return -1; \
@@ -257,23 +260,10 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct e
break; \
}
# define OPT_INT(_dest, _name, _base) { \
errno = 0; char *_end = NULL; int _tmp = strtol(optarg, &_end, _base); \
if (errno || *_end) { \
printf("Invalid value for '%s=%s'\n", _name, optarg); \
return -1; \
} \
_dest = _tmp; \
break; \
}
# define OPT_CHMOD(_dest, _name) \
OPT_INT(_dest, _name, 8)
# define OPT_CTL(_dest) { \
dev->ctl->_dest.value_set = true; \
dev->ctl->_dest.auto_set = false; \
OPT_INT(dev->ctl->_dest.value, "--"#_dest, 10); \
OPT_NUMBER("--"#_dest, dev->ctl->_dest.value, INT_MIN, INT_MAX, 0); \
break; \
}
@@ -290,25 +280,25 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct e
while ((ch = getopt_long(argc, argv, _SHORT_OPTS, _LONG_OPTS, &index)) >= 0) {
switch (ch) {
case 'd': OPT_SET(dev->path, optarg);
case 'i': OPT_UNSIGNED(dev->input, "--input", 0, 128);
case 'r': OPT_RESOLUTION(dev->width, dev->height, "--resolution", VIDEO_MIN_WIDTH, VIDEO_MIN_HEIGHT);
case 'x': OPT_RESOLUTION_OBSOLETE(dev->width, "--width", "--resolution", VIDEO_MIN_WIDTH, VIDEO_MAX_WIDTH);
case 'y': OPT_RESOLUTION_OBSOLETE(dev->height, "--height", "--resolution", VIDEO_MIN_HEIGHT, VIDEO_MAX_HEIGHT);
case 'i': OPT_NUMBER("--input", dev->input, 0, 128, 0);
case 'r': OPT_RESOLUTION("--resolution", dev->width, dev->height, VIDEO_MIN_WIDTH, VIDEO_MIN_HEIGHT);
case 'x': OPT_RESOLUTION_OBSOLETE("--width", "--resolution", dev->width, VIDEO_MIN_WIDTH, VIDEO_MAX_WIDTH);
case 'y': OPT_RESOLUTION_OBSOLETE("--height", "--resolution", dev->height, VIDEO_MIN_HEIGHT, VIDEO_MAX_HEIGHT);
# pragma GCC diagnostic ignored "-Wsign-compare"
# pragma GCC diagnostic push
case 'm': OPT_PARSE(dev->format, device_parse_format, FORMAT_UNKNOWN, "pixel format");
case 'm': OPT_PARSE("pixel format", dev->format, device_parse_format, FORMAT_UNKNOWN);
# pragma GCC diagnostic pop
case 'a': OPT_PARSE(dev->standard, device_parse_standard, STANDARD_UNKNOWN, "TV standard");
case 'f': OPT_UNSIGNED(dev->desired_fps, "--desired-fps", 0, 30);
case 'z': OPT_UNSIGNED(dev->min_frame_size, "--min-frame-size", 0, 8192);
case 'a': OPT_PARSE("TV standard", dev->standard, device_parse_standard, STANDARD_UNKNOWN);
case 'f': OPT_NUMBER("--desired-fps", dev->desired_fps, 0, 30, 0);
case 'z': OPT_NUMBER("--min-frame-size", dev->min_frame_size, 0, 8192, 0);
case 'n': OPT_SET(dev->persistent, true);
case 't': OPT_SET(dev->dv_timings, true);
case 'b': OPT_UNSIGNED(dev->n_buffers, "--buffers", 1, 32);
case 'w': OPT_UNSIGNED(dev->n_workers, "--workers", 1, 32);
case 'q': OPT_UNSIGNED(encoder->quality, "--quality", 1, 100);
case 'c': OPT_PARSE(encoder->type, encoder_parse_type, ENCODER_TYPE_UNKNOWN, "encoder type");
case 1000: OPT_UNSIGNED(dev->timeout, "--device-timeout", 1, 60);
case 1001: OPT_UNSIGNED(dev->error_delay, "--device-error-delay", 1, 60);
case 'b': OPT_NUMBER("--buffers", dev->n_buffers, 1, 32, 0);
case 'w': OPT_NUMBER("--workers", dev->n_workers, 1, 32, 0);
case 'q': OPT_NUMBER("--quality", encoder->quality, 1, 100, 0);
case 'c': OPT_PARSE("encoder type", encoder->type, encoder_parse_type, ENCODER_TYPE_UNKNOWN);
case 1000: OPT_NUMBER("--device-timeout", dev->timeout, 1, 60, 0);
case 1001: OPT_NUMBER("--device-error-delay", dev->error_delay, 1, 60, 0);
case 2000: OPT_CTL(brightness);
case 2001: OPT_CTL_AUTO(brightness);
@@ -325,32 +315,32 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct e
case 2012: OPT_CTL_AUTO(gain);
case 's': OPT_SET(server->host, optarg);
case 'p': OPT_UNSIGNED(server->port, "--port", 1, 65535);
case 'p': OPT_NUMBER("--port", server->port, 1, 65535, 0);
case 'U': OPT_SET(server->unix_path, optarg);
case 'D': OPT_SET(server->unix_rm, true);
case 'M': OPT_CHMOD(server->unix_mode, "--unix-mode");
case 'M': OPT_NUMBER("--unix-mode", server->unix_mode, INT_MIN, INT_MAX, 8);
case 3000: OPT_SET(server->user, optarg);
case 3001: OPT_SET(server->passwd, optarg);
case 3002: OPT_SET(server->static_path, optarg);
case 'k': OPT_SET(server->blank_path, optarg);
case 'e': OPT_UNSIGNED(server->drop_same_frames, "--drop-same-frames", 0, 30);
case 'e': OPT_NUMBER("--drop-same-frames", server->drop_same_frames, 0, 30, 0);
case 'l': OPT_SET(server->slowdown, true);
case 'R': OPT_RESOLUTION(server->fake_width, server->fake_height, "--fake-resolution", 0, 0);
case 3003: OPT_RESOLUTION_OBSOLETE(server->fake_width, "--fake-width", "--fake-resolution", 0, VIDEO_MAX_WIDTH);
case 3004: OPT_RESOLUTION_OBSOLETE(server->fake_height, "--fake-height", "--fake-resolution", 0, VIDEO_MAX_HEIGHT);
case 3005: OPT_UNSIGNED(server->timeout, "--server-timeout", 1, 60);
case 'R': OPT_RESOLUTION("--fake-resolution", server->fake_width, server->fake_height, 0, 0);
case 3003: OPT_RESOLUTION_OBSOLETE("--fake-width", "--fake-resolution", server->fake_width, 0, VIDEO_MAX_WIDTH);
case 3004: OPT_RESOLUTION_OBSOLETE("--fake-height", "--fake-resolution", server->fake_height, 0, VIDEO_MAX_HEIGHT);
case 3005: OPT_NUMBER("--server-timeout", server->timeout, 1, 60, 0);
# ifdef WITH_GPIO
case 4000: OPT_UNSIGNED(gpio_pin_prog_running, "--gpio-prog-running", 0, 256);
case 4001: OPT_UNSIGNED(gpio_pin_stream_online, "--gpio-stream-online", 0, 256);
case 4002: OPT_UNSIGNED(gpio_pin_has_http_clients, "--gpio-has-http-clients", 0, 256);
case 4003: OPT_UNSIGNED(gpio_pin_workers_busy_at, "--gpio-workers-busy-at", 0, 256);
case 4000: OPT_NUMBER("--gpio-prog-running", gpio_pin_prog_running, 0, 256, 0);
case 4001: OPT_NUMBER("--gpio-stream-online", gpio_pin_stream_online, 0, 256, 0);
case 4002: OPT_NUMBER("--gpio-has-http-clients", gpio_pin_has_http_clients, 0, 256, 0);
case 4003: OPT_NUMBER("--gpio-workers-busy-at", gpio_pin_workers_busy_at, 0, 256, 0);
# endif
case 5000: OPT_SET(log_level, LOG_LEVEL_PERF);
case 5001: OPT_SET(log_level, LOG_LEVEL_VERBOSE);
case 5002: OPT_SET(log_level, LOG_LEVEL_DEBUG);
case 5010: OPT_UNSIGNED(log_level, "--log-level", 0, 3);
case 5010: OPT_NUMBER("--log-level", log_level, 0, 3, 0);
case 'h': _help(dev, encoder, server); return 1;
case 'v': _version(true); return 1;
case 0: break;
@@ -360,11 +350,10 @@ static int _parse_options(int argc, char *argv[], struct device_t *dev, struct e
# undef OPT_CTL_AUTO
# undef OPT_CTL
# undef OPT_CHMOD
# undef OPT_INT
# undef OPT_PARSE
# undef OPT_RESOLUTION_OBSOLETE
# undef OPT_RESOLUTION
# undef OPT_UNSIGNED
# undef OPT_NUMBER
# undef OPT_SET
return 0;
}