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Add proper logging

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This commit is contained in:
Dan Shick 2020-02-20 14:59:46 -05:00 committed by Simon Ser
parent 080d519a0d
commit b0c50ff911
11 changed files with 175 additions and 69 deletions
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28
include/logger.h Normal file
View file

@ -0,0 +1,28 @@
#ifndef LOGGER_H
#define LOGGER_H
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
enum LOGLEVEL {
QUIET,
ERROR,
WARN,
INFO,
DEBUG,
TRACE
};
struct logger_properties{
enum LOGLEVEL level;
FILE *__restrict__ dst;
};
void init_logger(FILE *__restrict__ dst, enum LOGLEVEL level);
enum LOGLEVEL get_loglevel(const char *level);
void logprint(enum LOGLEVEL level, char *msg, ...);
#endif

5
include/screencast_common.h
View file

@ -6,10 +6,7 @@
#include <spa/param/video/format-utils.h>
#include <libdrm/drm_fourcc.h>
#include <wayland-client-protocol.h>
// Disableable logger
//#define logger(...) printf(__VA_ARGS__)
#define logger(...)
#include "logger.h"
struct damage {
uint32_t x;

1
include/xdpw.h
View file

@ -3,6 +3,7 @@
#include <wayland-client.h>
#include <systemd/sd-bus.h>
#include "logger.h"
struct xdpw_request {
sd_bus_slot *slot;

1
meson.build
View file

@ -36,6 +36,7 @@ executable(
'xdg-desktop-portal-wlr',
files([
'src/core/main.c',
'src/core/logger.c',
'src/core/request.c',
'src/core/session.c',
'src/screenshot/screenshot.c',

66
src/core/logger.c Normal file
View file

@ -0,0 +1,66 @@
#include "logger.h"
static int NUM_LEVELS = 6;
static const char *loglevels[] = {
"QUIET",
"ERROR",
"WARN",
"INFO",
"DEBUG",
"TRACE"
};
static struct logger_properties logprops;
void init_logger(FILE *__restrict__ dst, enum LOGLEVEL level){
logprops.dst = dst;
logprops.level = level;
}
enum LOGLEVEL get_loglevel(const char *level){
int i;
for(i = 0; i < NUM_LEVELS; i++){
if(!strcmp(level, loglevels[i])) return (enum LOGLEVEL) i;
}
fprintf(stderr, "Could not understand log level %s\n", level);
exit(EXIT_FAILURE);
}
void logprint(enum LOGLEVEL level, char *msg, ...){
if(!logprops.dst){
fprintf(stderr, "Logger has been called, but was not initialized\n");
exit(EXIT_FAILURE);
}
if(level > logprops.level || level == QUIET) return ;
va_list args;
char timestr[200];
time_t t = time(NULL);
struct tm *tmp = localtime(&t);
if (strftime(timestr, sizeof(timestr), "%Y/%m/%d %H:%M:%S", tmp) == 0) {
fprintf(stderr, "strftime returned 0");
exit(EXIT_FAILURE);
}
fprintf(logprops.dst, "%s", timestr);
fprintf(logprops.dst, " ");
fprintf(logprops.dst, "[%s]", loglevels[level]);
fprintf(logprops.dst, " - ");
va_start(args, msg);
vfprintf(logprops.dst, msg, args);
va_end(args);
fprintf(logprops.dst, "\n");
fflush(logprops.dst);
}

28
src/core/main.c
View file

@ -10,10 +10,12 @@ int xdpw_usage(FILE* stream, int rc)
static const char* usage =
"Usage: xdg-desktop-portal-wlr [options]\n"
"\n"
" -o, --output=<name> Select output to capture.\n"
" -p,--pixelformat=BGRx|RGBx Force a pixelformat in pipewire\n"
" metadata (performs no conversion).\n"
" -h,--help Get help (this text).\n"
" -l, --loglevel=<loglevel> Select log level (default is ERROR).\n"
" QUIET, ERROR, WARN, INFO, DEBUG, TRACE\n"
" -o, --output=<name> Select output to capture.\n"
" -p,--pixelformat=BGRx|RGBx Force a pixelformat in pipewire\n"
" metadata (performs no conversion).\n"
" -h,--help Get help (this text).\n"
"\n";
fprintf(stream, "%s", usage);
@ -25,9 +27,11 @@ int main(int argc, char *argv[]) {
const char* output_name = NULL;
const char* forced_pixelformat = NULL;
enum LOGLEVEL loglevel = ERROR;
static const char* shortopts = "o:p:h";
static const char* shortopts = "l:o:p:h";
static const struct option longopts[] = {
{ "loglevel", required_argument, NULL, 'l' },
{ "output", required_argument, NULL, 'o' },
{ "pixelformat", required_argument, NULL, 'p' },
{ "help", no_argument, NULL, 'h' },
@ -40,6 +44,9 @@ int main(int argc, char *argv[]) {
break;
switch (c) {
case 'l':
loglevel = get_loglevel(optarg);
break;
case 'o':
output_name = optarg;
break;
@ -53,12 +60,14 @@ int main(int argc, char *argv[]) {
}
}
init_logger(stderr, loglevel);
int ret = 0;
sd_bus *bus = NULL;
ret = sd_bus_open_user(&bus);
if (ret < 0) {
fprintf(stderr, "Failed to connect to user bus: %s\n", strerror(-ret));
logprint(ERROR, "dbus: failed to connect to user bus: %s", strerror(-ret));
goto error;
}
@ -67,14 +76,15 @@ int main(int argc, char *argv[]) {
ret = sd_bus_request_name(bus, service_name, 0);
if (ret < 0) {
fprintf(stderr, "Failed to acquire service name: %s\n", strerror(-ret));
logprint(ERROR, "dbus: failed to acquire service name: %s", strerror(-ret));
goto error;
}
while (1) {
ret = sd_bus_process(bus, NULL);
if (ret < 0) {
fprintf(stderr, "sd_bus_process failed: %s\n", strerror(-ret));
logprint(ERROR, "dbus: sd_bus_process failed: %s", strerror(-ret));
goto error;
} else if (ret > 0) {
// We processed a request, try to process another one, right-away
continue;
@ -82,7 +92,7 @@ int main(int argc, char *argv[]) {
ret = sd_bus_wait(bus, (uint64_t)-1);
if (ret < 0) {
fprintf(stderr, "sd_bus_wait failed: %s\n", strerror(-ret));
logprint(ERROR, "dbus: sd_bus_wait failed: %s", strerror(-ret));
goto error;
}
}

4
src/core/request.c
View file

@ -12,7 +12,7 @@ static int method_close(sd_bus_message *msg, void *data,
int ret = 0;
// struct xdpw_request *req = data;
// TODO
printf("Request.Close\n");
logprint(INFO, "dbus: request closed");
sd_bus_message *reply = NULL;
ret = sd_bus_message_new_method_return(msg, &reply);
@ -42,7 +42,7 @@ struct xdpw_request *request_create(sd_bus *bus, const char *object_path) {
if (sd_bus_add_object_vtable(bus, &req->slot, object_path, interface_name,
request_vtable, NULL) < 0) {
free(req);
fprintf(stderr, "sd_bus_add_object_vtable failed: %s\n",
logprint(ERROR, "dbus: sd_bus_add_object_vtable failed: %s",
strerror(-errno));
return NULL;
}

4
src/core/session.c
View file

@ -12,7 +12,7 @@ static int method_close(sd_bus_message *msg, void *data,
int ret = 0;
// struct xdpw_session *session = data;
// TODO
printf("Session.Close\n");
logprint(INFO, "dbus: session closed");
sd_bus_message *reply = NULL;
ret = sd_bus_message_new_method_return(msg, &reply);
@ -42,7 +42,7 @@ struct xdpw_session *session_create(sd_bus *bus, const char *object_path) {
if (sd_bus_add_object_vtable(bus, &req->slot, object_path, interface_name,
session_vtable, NULL) < 0) {
free(req);
fprintf(stderr, "sd_bus_add_object_vtable failed: %s\n",
logprint(ERROR, "dbus: sd_bus_add_object_vtable failed: %s",
strerror(-errno));
return NULL;
}

34
src/screencast/pipewire_screencast.c
View file

@ -36,10 +36,11 @@ static void pwr_on_event(void *data, uint64_t expirations) {
return;
}
logger("pw event fired\n");
logprint(TRACE, "********************");
logprint(TRACE, "pipewire: event fired");
if ((pw_buf = pw_stream_dequeue_buffer(ctx->stream)) == NULL) {
printf("out of buffers\n");
logprint(WARN, "pipewire: out of buffers");
return;
}
@ -67,14 +68,13 @@ static void pwr_on_event(void *data, uint64_t expirations) {
writeFrameData(d[0].data, ctx->simple_frame.data, ctx->simple_frame.height,
ctx->simple_frame.stride, ctx->simple_frame.y_invert);
logger("************** \n");
logger("pointer: %p\n", d[0].data);
logger("size: %d\n", d[0].maxsize);
logger("stride: %d\n", d[0].chunk->stride);
logger("width: %d\n", ctx->simple_frame.width);
logger("height: %d\n", ctx->simple_frame.height);
logger("y_invert: %d\n", ctx->simple_frame.y_invert);
logger("************** \n");
logprint(TRACE, "pipewire: pointer %p", d[0].data);
logprint(TRACE, "pipewire: size %d", d[0].maxsize);
logprint(TRACE, "pipewire: stride %d", d[0].chunk->stride);
logprint(TRACE, "pipewire: width %d", ctx->simple_frame.width);
logprint(TRACE, "pipewire: height %d", ctx->simple_frame.height);
logprint(TRACE, "pipewire: y_invert %d", ctx->simple_frame.y_invert);
logprint(TRACE, "********************");
pw_stream_queue_buffer(ctx->stream, pw_buf);
@ -88,8 +88,8 @@ static void pwr_handle_stream_state_changed(void *data,
struct screencast_context *ctx = data;
ctx->node_id = pw_stream_get_node_id(ctx->stream);
printf("stream state: \"%s\"\n", pw_stream_state_as_string(state));
printf("node id: %d\n", ctx->node_id);
logprint(INFO, "pipewire: stream state changed to \"%s\"", pw_stream_state_as_string(state));
logprint(INFO, "pipewire: node id is %d", ctx->node_id);
switch (state) {
case PW_STREAM_STATE_PAUSED:
@ -149,7 +149,9 @@ static void pwr_handle_state_changed(void *data, enum pw_remote_state old,
switch (state) {
case PW_REMOTE_STATE_ERROR:
printf("remote error: %s\n", error);
logprint(INFO, "pipewire: remote state changed to \"%s\"",
pw_remote_state_as_string(state));
logprint(ERROR, "pipewire: remote error: %s", error);
pw_main_loop_quit(ctx->loop);
break;
@ -158,7 +160,8 @@ static void pwr_handle_state_changed(void *data, enum pw_remote_state old,
uint8_t buffer[1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
logger("remote state: \"%s\"\n", pw_remote_state_as_string(state));
logprint(INFO, "pipewire: remote state changed to \"%s\"",
pw_remote_state_as_string(state));
ctx->stream = pw_stream_new(
remote, "wlr_screeencopy",
@ -190,7 +193,8 @@ static void pwr_handle_state_changed(void *data, enum pw_remote_state old,
break;
}
default:
logger("remote state: \"%s\"\n", pw_remote_state_as_string(state));
logprint(INFO, "pipewire: remote state changed to \"%s\"",
pw_remote_state_as_string(state));
break;
}
}

47
src/screencast/screencast.c
View file

@ -9,7 +9,7 @@ int setup_outputs(struct screencast_context *ctx) {
struct wayland_output *output, *tmp_o;
wl_list_for_each_reverse_safe(output, tmp_o, &ctx->output_list, link) {
printf("Capturable output: %s Model: %s: ID: %i Name: %s\n", output->make,
logprint(INFO, "wlroots: capturable output: %s model: %s: id: %i name: %s", output->make,
output->model, output->id, output->name);
}
@ -17,23 +17,22 @@ int setup_outputs(struct screencast_context *ctx) {
if (ctx->output_name) {
out = wlr_output_find_by_name(&ctx->output_list, ctx->output_name);
if (!out) {
printf("No such output\n");
logprint(ERROR, "wlroots: no such output");
exit(EXIT_FAILURE);
}
} else {
out = wlr_output_first(&ctx->output_list);
if (!out) {
printf("No output found\n");
logprint(ERROR, "wlroots: no output found");
exit(EXIT_FAILURE);
}
}
printf("here %s\n", out->name);
ctx->target_output = out;
ctx->framerate = out->framerate;
ctx->with_cursor = true;
printf("wl_display fd: %d\n", wl_display_get_fd(ctx->display));
logprint(INFO, "wlroots: wl_display fd: %d", wl_display_get_fd(ctx->display));
return 0;
@ -62,7 +61,7 @@ static int method_screencast_create_session(sd_bus_message *msg, void *data,
sd_bus_error *ret_error) {
int ret = 0;
printf("=== CREATE SESSION\n");
logprint(INFO, "dbus: create session method invoked");
char *request_handle, *session_handle, *app_id;
ret = sd_bus_message_read(msg, "oos", &request_handle, &session_handle, &app_id);
@ -75,9 +74,9 @@ static int method_screencast_create_session(sd_bus_message *msg, void *data,
return ret;
}
printf("request_handle: %s\n", request_handle);
printf("session_handle: %s\n", session_handle);
printf("app_id: %s\n", app_id);
logprint(INFO, "dbus: request_handle: %s", request_handle);
logprint(INFO, "dbus: session_handle: %s", session_handle);
logprint(INFO, "dbus: app_id: %s", app_id);
char* key;
int innerRet = 0;
@ -90,9 +89,9 @@ static int method_screencast_create_session(sd_bus_message *msg, void *data,
if(strcmp(key, "session_handle_token") == 0) {
char* token;
sd_bus_message_read(msg, "v", "s", &token);
printf("Option token = %s\n", token);
logprint(INFO, "dbus: option token: %s", token);
} else {
printf("Unknown option %s\n", key);
logprint(WARN, "dbus: unknown option: %s", key);
sd_bus_message_skip(msg, "v");
}
@ -149,7 +148,7 @@ static int method_screencast_select_sources(sd_bus_message *msg, void *data, sd_
int ret = 0;
printf("=== SELECT SOURCES\n");
logprint(INFO, "dbus: select sources method invoked");
setup_outputs(ctx);
@ -163,9 +162,9 @@ static int method_screencast_select_sources(sd_bus_message *msg, void *data, sd_
return ret;
}
printf("request_handle: %s\n", request_handle);
printf("session_handle: %s\n", session_handle);
printf("app_id: %s\n", app_id);
logprint(INFO, "dbus: request_handle: %s", request_handle);
logprint(INFO, "dbus: session_handle: %s", session_handle);
logprint(INFO, "dbus: app_id: %s", app_id);
char* key;
int innerRet = 0;
@ -178,13 +177,13 @@ static int method_screencast_select_sources(sd_bus_message *msg, void *data, sd_
if(strcmp(key, "multiple") == 0) {
bool multiple;
sd_bus_message_read(msg, "v", "b", &multiple);
printf("Option multiple, val %x\n", multiple);
logprint(INFO, "dbus: option multiple: %x", multiple);
} else if(strcmp(key, "types") == 0) {
uint32_t mask;
sd_bus_message_read(msg, "v", "u", &mask);
printf("Option types, mask %x\n", mask);
logprint(INFO, "dbus: option types: %x", mask);
} else {
printf("Unknown option %s\n", key);
logprint(WARN, "dbus: unknown option %s", key);
sd_bus_message_skip(msg, "v");
}
@ -226,7 +225,7 @@ static int method_screencast_start(sd_bus_message *msg, void *data, sd_bus_error
int ret = 0;
printf("=== START\n");
logprint(INFO, "dbus: start method invoked");
pthread_t screencast_thread;
pthread_create(&screencast_thread, NULL, start_screencast, ctx);
@ -241,10 +240,10 @@ static int method_screencast_start(sd_bus_message *msg, void *data, sd_bus_error
return ret;
}
printf("request_handle: %s\n", request_handle);
printf("session_handle: %s\n", session_handle);
printf("app_id: %s\n", app_id);
printf("parent_window: %s\n", parent_window);
logprint(INFO, "dbus: request_handle: %s", request_handle);
logprint(INFO, "dbus: session_handle: %s", session_handle);
logprint(INFO, "dbus: app_id: %s", app_id);
logprint(INFO, "dbus: parent_window: %s", parent_window);
char* key;
int innerRet = 0;
@ -254,7 +253,7 @@ static int method_screencast_start(sd_bus_message *msg, void *data, sd_bus_error
return innerRet;
}
printf("Unknown option %s\n", key);
logprint(WARN, "dbus: unknown option: %s", key);
sd_bus_message_skip(msg, "v");
innerRet = sd_bus_message_exit_container(msg);

26
src/screencast/wlr_screencast.c
View file

@ -5,7 +5,7 @@ void wlr_frame_free(struct screencast_context *ctx) {
zwlr_screencopy_frame_v1_destroy(ctx->wlr_frame);
munmap(ctx->simple_frame.data, ctx->simple_frame.size);
wl_buffer_destroy(ctx->simple_frame.buffer);
logger("wlr frame destroyed\n");
logprint(TRACE, "wlroots: frame destroyed");
pthread_mutex_unlock(&ctx->lock);
}
@ -19,7 +19,7 @@ static struct wl_buffer *create_shm_buffer(struct screencast_context *ctx,
const char shm_name[] = "/wlroots-screencopy";
int fd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
if (fd < 0) {
fprintf(stderr, "shm_open failed\n");
logprint(ERROR, "wlroots: shm_open failed");
return NULL;
}
shm_unlink(shm_name);
@ -30,13 +30,13 @@ static struct wl_buffer *create_shm_buffer(struct screencast_context *ctx,
}
if (ret < 0) {
close(fd);
fprintf(stderr, "ftruncate failed\n");
logprint(ERROR, "wlroots: ftruncate failed");
return NULL;
}
void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (data == MAP_FAILED) {
fprintf(stderr, "mmap failed: %m\n");
logprint(ERROR, "wlroots: mmap failed: %m");
close(fd);
return NULL;
}
@ -58,7 +58,7 @@ static void wlr_frame_buffer(void *data, struct zwlr_screencopy_frame_v1 *frame,
pthread_mutex_lock(&ctx->lock);
logger("wlr buffer event handler\n");
logprint(TRACE, "wlroots: buffer event handler");
ctx->wlr_frame = frame;
ctx->simple_frame.width = width;
ctx->simple_frame.height = height;
@ -68,7 +68,7 @@ static void wlr_frame_buffer(void *data, struct zwlr_screencopy_frame_v1 *frame,
ctx->simple_frame.buffer = create_shm_buffer(ctx, format, width, height,
stride, &ctx->simple_frame.data);
if (ctx->simple_frame.buffer == NULL) {
fprintf(stderr, "failed to create buffer\n");
logprint(ERROR, "wlroots: failed to create buffer");
exit(EXIT_FAILURE);
}
@ -83,7 +83,7 @@ static void wlr_frame_flags(void *data, struct zwlr_screencopy_frame_v1 *frame,
pthread_mutex_lock(&ctx->lock);
logger("wlr flags event handler\n");
logprint(TRACE, "wlroots: flags event handler");
ctx->simple_frame.y_invert = flags & ZWLR_SCREENCOPY_FRAME_V1_FLAGS_Y_INVERT;
pthread_mutex_unlock(&ctx->lock);
@ -96,7 +96,7 @@ static void wlr_frame_ready(void *data, struct zwlr_screencopy_frame_v1 *frame,
pthread_mutex_lock(&ctx->lock);
logger("wlr ready event handler\n");
logprint(TRACE, "wlroots: ready event handler");
ctx->simple_frame.tv_sec = ((((uint64_t)tv_sec_hi) << 32) | tv_sec_lo);
ctx->simple_frame.tv_nsec = tv_nsec;
@ -112,7 +112,7 @@ static void wlr_frame_failed(void *data,
struct zwlr_screencopy_frame_v1 *frame) {
struct screencast_context *ctx = data;
logger("wlr failed event handler\n");
logprint(TRACE, "wlroots: failed event handler");
wlr_frame_free(ctx);
ctx->err = true;
@ -143,7 +143,7 @@ void wlr_register_cb(struct screencast_context *ctx) {
zwlr_screencopy_frame_v1_add_listener(ctx->frame_callback,
&wlr_frame_listener, ctx);
logger("wlr callbacks registered\n");
logprint(TRACE, "wlroots: callbacks registered");
}
static void wlr_output_handle_geometry(void *data, struct wl_output *wl_output,
@ -296,7 +296,7 @@ int wlr_screencopy_init(struct screencast_context *ctx) {
// connect to wayland display WAYLAND_DISPLAY or 'wayland-0' if not set
ctx->display = wl_display_connect(NULL);
if (!ctx->display) {
printf("Failed to connect to display!\n");
logprint(ERROR, "Failed to connect to display!");
return -1;
}
@ -317,13 +317,13 @@ int wlr_screencopy_init(struct screencast_context *ctx) {
// make sure our wlroots supports screencopy protocol
if (!ctx->shm) {
printf("Compositor doesn't support %s!\n", "wl_shm");
logprint(ERROR, "Compositor doesn't support %s!", "wl_shm");
return -1;
}
// make sure our wlroots supports screencopy protocol
if (!ctx->screencopy_manager) {
printf("Compositor doesn't support %s!\n",
logprint(ERROR, "Compositor doesn't support %s!",
zwlr_screencopy_manager_v1_interface.name);
return -1;
}