Rename file_handler to sc_file_pusher

Rename handler to pusher ("handler" is too generic), and add sc_ prefix.

app/meson.build

@@ -11,7 +11,7 @@ src = [
     'src/decoder.c',
     'src/device_msg.c',
     'src/icon.c',
-    'src/file_handler.c',
+    'src/file_pusher.c',
     'src/fps_counter.c',
     'src/frame_buffer.c',
     'src/input_manager.c',

app/src/file_handler.c

@@ -1,178 +0,0 @@
-#include "file_handler.h"
-
-#include <assert.h>
-#include <string.h>
-
-#include "adb.h"
-#include "util/log.h"
-#include "util/process_intr.h"
-
-#define DEFAULT_PUSH_TARGET "/sdcard/Download/"
-
-static void
-file_handler_request_destroy(struct file_handler_request *req) {
-    free(req->file);
-}
-
-bool
-file_handler_init(struct file_handler *file_handler, const char *serial,
-                  const char *push_target) {
-    assert(serial);
-
-    cbuf_init(&file_handler->queue);
-
-    bool ok = sc_mutex_init(&file_handler->mutex);
-    if (!ok) {
-        return false;
-    }
-
-    ok = sc_cond_init(&file_handler->event_cond);
-    if (!ok) {
-        sc_mutex_destroy(&file_handler->mutex);
-        return false;
-    }
-
-    ok = sc_intr_init(&file_handler->intr);
-    if (!ok) {
-        sc_cond_destroy(&file_handler->event_cond);
-        sc_mutex_destroy(&file_handler->mutex);
-        return false;
-    }
-
-    file_handler->serial = strdup(serial);
-    if (!file_handler->serial) {
-        LOG_OOM();
-        sc_intr_destroy(&file_handler->intr);
-        sc_cond_destroy(&file_handler->event_cond);
-        sc_mutex_destroy(&file_handler->mutex);
-        return false;
-    }
-
-    // lazy initialization
-    file_handler->initialized = false;
-
-    file_handler->stopped = false;
-
-    file_handler->push_target = push_target ? push_target : DEFAULT_PUSH_TARGET;
-
-    return true;
-}
-
-void
-file_handler_destroy(struct file_handler *file_handler) {
-    sc_cond_destroy(&file_handler->event_cond);
-    sc_mutex_destroy(&file_handler->mutex);
-    sc_intr_destroy(&file_handler->intr);
-    free(file_handler->serial);
-
-    struct file_handler_request req;
-    while (cbuf_take(&file_handler->queue, &req)) {
-        file_handler_request_destroy(&req);
-    }
-}
-
-bool
-file_handler_request(struct file_handler *file_handler,
-                     file_handler_action_t action, char *file) {
-    // start file_handler if it's used for the first time
-    if (!file_handler->initialized) {
-        if (!file_handler_start(file_handler)) {
-            return false;
-        }
-        file_handler->initialized = true;
-    }
-
-    LOGI("Request to %s %s", action == ACTION_INSTALL_APK ? "install" : "push",
-                             file);
-    struct file_handler_request req = {
-        .action = action,
-        .file = file,
-    };
-
-    sc_mutex_lock(&file_handler->mutex);
-    bool was_empty = cbuf_is_empty(&file_handler->queue);
-    bool res = cbuf_push(&file_handler->queue, req);
-    if (was_empty) {
-        sc_cond_signal(&file_handler->event_cond);
-    }
-    sc_mutex_unlock(&file_handler->mutex);
-    return res;
-}
-
-static int
-run_file_handler(void *data) {
-    struct file_handler *file_handler = data;
-    struct sc_intr *intr = &file_handler->intr;
-
-    const char *serial = file_handler->serial;
-    assert(serial);
-
-    const char *push_target = file_handler->push_target;
-    assert(push_target);
-
-    for (;;) {
-        sc_mutex_lock(&file_handler->mutex);
-        while (!file_handler->stopped && cbuf_is_empty(&file_handler->queue)) {
-            sc_cond_wait(&file_handler->event_cond, &file_handler->mutex);
-        }
-        if (file_handler->stopped) {
-            // stop immediately, do not process further events
-            sc_mutex_unlock(&file_handler->mutex);
-            break;
-        }
-        struct file_handler_request req;
-        bool non_empty = cbuf_take(&file_handler->queue, &req);
-        assert(non_empty);
-        (void) non_empty;
-        sc_mutex_unlock(&file_handler->mutex);
-
-        if (req.action == ACTION_INSTALL_APK) {
-            LOGI("Installing %s...", req.file);
-            bool ok = adb_install(intr, serial, req.file, 0);
-            if (ok) {
-                LOGI("%s successfully installed", req.file);
-            } else {
-                LOGE("Failed to install %s", req.file);
-            }
-        } else {
-            LOGI("Pushing %s...", req.file);
-            bool ok = adb_push(intr, serial, req.file, push_target, 0);
-            if (ok) {
-                LOGI("%s successfully pushed to %s", req.file, push_target);
-            } else {
-                LOGE("Failed to push %s to %s", req.file, push_target);
-            }
-        }
-
-        file_handler_request_destroy(&req);
-    }
-    return 0;
-}
-
-bool
-file_handler_start(struct file_handler *file_handler) {
-    LOGD("Starting file_handler thread");
-
-    bool ok = sc_thread_create(&file_handler->thread, run_file_handler,
-                               "scrcpy-file", file_handler);
-    if (!ok) {
-        LOGC("Could not start file_handler thread");
-        return false;
-    }
-
-    return true;
-}
-
-void
-file_handler_stop(struct file_handler *file_handler) {
-    sc_mutex_lock(&file_handler->mutex);
-    file_handler->stopped = true;
-    sc_cond_signal(&file_handler->event_cond);
-    sc_intr_interrupt(&file_handler->intr);
-    sc_mutex_unlock(&file_handler->mutex);
-}
-
-void
-file_handler_join(struct file_handler *file_handler) {
-    sc_thread_join(&file_handler->thread, NULL);
-}

app/src/file_handler.h

@@ -1,60 +0,0 @@
-#ifndef FILE_HANDLER_H
-#define FILE_HANDLER_H
-
-#include "common.h"
-
-#include <stdbool.h>
-
-#include "adb.h"
-#include "util/cbuf.h"
-#include "util/thread.h"
-#include "util/intr.h"
-
-typedef enum {
-    ACTION_INSTALL_APK,
-    ACTION_PUSH_FILE,
-} file_handler_action_t;
-
-struct file_handler_request {
-    file_handler_action_t action;
-    char *file;
-};
-
-struct file_handler_request_queue CBUF(struct file_handler_request, 16);
-
-struct file_handler {
-    char *serial;
-    const char *push_target;
-    sc_thread thread;
-    sc_mutex mutex;
-    sc_cond event_cond;
-    bool stopped;
-    bool initialized;
-    struct file_handler_request_queue queue;
-
-    struct sc_intr intr;
-};
-
-bool
-file_handler_init(struct file_handler *file_handler, const char *serial,
-                  const char *push_target);
-
-void
-file_handler_destroy(struct file_handler *file_handler);
-
-bool
-file_handler_start(struct file_handler *file_handler);
-
-void
-file_handler_stop(struct file_handler *file_handler);
-
-void
-file_handler_join(struct file_handler *file_handler);
-
-// take ownership of file, and will free() it
-bool
-file_handler_request(struct file_handler *file_handler,
-                     file_handler_action_t action,
-                     char *file);
-
-#endif

app/src/file_pusher.c

@@ -0,0 +1,178 @@
+#include "file_pusher.h"
+
+#include <assert.h>
+#include <string.h>
+
+#include "adb.h"
+#include "util/log.h"
+#include "util/process_intr.h"
+
+#define DEFAULT_PUSH_TARGET "/sdcard/Download/"
+
+static void
+sc_file_pusher_request_destroy(struct sc_file_pusher_request *req) {
+    free(req->file);
+}
+
+bool
+sc_file_pusher_init(struct sc_file_pusher *fp, const char *serial,
+                    const char *push_target) {
+    assert(serial);
+
+    cbuf_init(&fp->queue);
+
+    bool ok = sc_mutex_init(&fp->mutex);
+    if (!ok) {
+        return false;
+    }
+
+    ok = sc_cond_init(&fp->event_cond);
+    if (!ok) {
+        sc_mutex_destroy(&fp->mutex);
+        return false;
+    }
+
+    ok = sc_intr_init(&fp->intr);
+    if (!ok) {
+        sc_cond_destroy(&fp->event_cond);
+        sc_mutex_destroy(&fp->mutex);
+        return false;
+    }
+
+    fp->serial = strdup(serial);
+    if (!fp->serial) {
+        LOG_OOM();
+        sc_intr_destroy(&fp->intr);
+        sc_cond_destroy(&fp->event_cond);
+        sc_mutex_destroy(&fp->mutex);
+        return false;
+    }
+
+    // lazy initialization
+    fp->initialized = false;
+
+    fp->stopped = false;
+
+    fp->push_target = push_target ? push_target : DEFAULT_PUSH_TARGET;
+
+    return true;
+}
+
+void
+sc_file_pusher_destroy(struct sc_file_pusher *fp) {
+    sc_cond_destroy(&fp->event_cond);
+    sc_mutex_destroy(&fp->mutex);
+    sc_intr_destroy(&fp->intr);
+    free(fp->serial);
+
+    struct sc_file_pusher_request req;
+    while (cbuf_take(&fp->queue, &req)) {
+        sc_file_pusher_request_destroy(&req);
+    }
+}
+
+bool
+sc_file_pusher_request(struct sc_file_pusher *fp,
+                       enum sc_file_pusher_action action, char *file) {
+    // start file_pusher if it's used for the first time
+    if (!fp->initialized) {
+        if (!sc_file_pusher_start(fp)) {
+            return false;
+        }
+        fp->initialized = true;
+    }
+
+    LOGI("Request to %s %s", action == SC_FILE_PUSHER_ACTION_INSTALL_APK
+                                 ? "install" : "push",
+                             file);
+    struct sc_file_pusher_request req = {
+        .action = action,
+        .file = file,
+    };
+
+    sc_mutex_lock(&fp->mutex);
+    bool was_empty = cbuf_is_empty(&fp->queue);
+    bool res = cbuf_push(&fp->queue, req);
+    if (was_empty) {
+        sc_cond_signal(&fp->event_cond);
+    }
+    sc_mutex_unlock(&fp->mutex);
+    return res;
+}
+
+static int
+run_file_pusher(void *data) {
+    struct sc_file_pusher *fp = data;
+    struct sc_intr *intr = &fp->intr;
+
+    const char *serial = fp->serial;
+    assert(serial);
+
+    const char *push_target = fp->push_target;
+    assert(push_target);
+
+    for (;;) {
+        sc_mutex_lock(&fp->mutex);
+        while (!fp->stopped && cbuf_is_empty(&fp->queue)) {
+            sc_cond_wait(&fp->event_cond, &fp->mutex);
+        }
+        if (fp->stopped) {
+            // stop immediately, do not process further events
+            sc_mutex_unlock(&fp->mutex);
+            break;
+        }
+        struct sc_file_pusher_request req;
+        bool non_empty = cbuf_take(&fp->queue, &req);
+        assert(non_empty);
+        (void) non_empty;
+        sc_mutex_unlock(&fp->mutex);
+
+        if (req.action == SC_FILE_PUSHER_ACTION_INSTALL_APK) {
+            LOGI("Installing %s...", req.file);
+            bool ok = adb_install(intr, serial, req.file, 0);
+            if (ok) {
+                LOGI("%s successfully installed", req.file);
+            } else {
+                LOGE("Failed to install %s", req.file);
+            }
+        } else {
+            LOGI("Pushing %s...", req.file);
+            bool ok = adb_push(intr, serial, req.file, push_target, 0);
+            if (ok) {
+                LOGI("%s successfully pushed to %s", req.file, push_target);
+            } else {
+                LOGE("Failed to push %s to %s", req.file, push_target);
+            }
+        }
+
+        sc_file_pusher_request_destroy(&req);
+    }
+    return 0;
+}
+
+bool
+sc_file_pusher_start(struct sc_file_pusher *fp) {
+    LOGD("Starting file_pusher thread");
+
+    bool ok = sc_thread_create(&fp->thread, run_file_pusher, "scrcpy-file", fp);
+    if (!ok) {
+        LOGC("Could not start file_pusher thread");
+        return false;
+    }
+
+    return true;
+}
+
+void
+sc_file_pusher_stop(struct sc_file_pusher *fp) {
+    sc_mutex_lock(&fp->mutex);
+    fp->stopped = true;
+    sc_cond_signal(&fp->event_cond);
+    sc_intr_interrupt(&fp->intr);
+    sc_mutex_unlock(&fp->mutex);
+}
+
+void
+sc_file_pusher_join(struct sc_file_pusher *fp) {
+    sc_thread_join(&fp->thread, NULL);
+}

app/src/file_pusher.h

@@ -0,0 +1,59 @@
+#ifndef SC_FILE_PUSHER_H
+#define SC_FILE_PUSHER_H
+
+#include "common.h"
+
+#include <stdbool.h>
+
+#include "adb.h"
+#include "util/cbuf.h"
+#include "util/thread.h"
+#include "util/intr.h"
+
+enum sc_file_pusher_action {
+    SC_FILE_PUSHER_ACTION_INSTALL_APK,
+    SC_FILE_PUSHER_ACTION_PUSH_FILE,
+};
+
+struct sc_file_pusher_request {
+    enum sc_file_pusher_action action;
+    char *file;
+};
+
+struct sc_file_pusher_request_queue CBUF(struct sc_file_pusher_request, 16);
+
+struct sc_file_pusher {
+    char *serial;
+    const char *push_target;
+    sc_thread thread;
+    sc_mutex mutex;
+    sc_cond event_cond;
+    bool stopped;
+    bool initialized;
+    struct sc_file_pusher_request_queue queue;
+
+    struct sc_intr intr;
+};
+
+bool
+sc_file_pusher_init(struct sc_file_pusher *fp, const char *serial,
+                    const char *push_target);
+
+void
+sc_file_pusher_destroy(struct sc_file_pusher *fp);
+
+bool
+sc_file_pusher_start(struct sc_file_pusher *fp);
+
+void
+sc_file_pusher_stop(struct sc_file_pusher *fp);
+
+void
+sc_file_pusher_join(struct sc_file_pusher *fp);
+
+// take ownership of file, and will free() it
+bool
+sc_file_pusher_request(struct sc_file_pusher *fp,
+                       enum sc_file_pusher_action action, char *file);
+
+#endif

app/src/scrcpy.c

@@ -16,7 +16,7 @@
 #include "controller.h"
 #include "decoder.h"
 #include "events.h"
-#include "file_handler.h"
+#include "file_pusher.h"
 #ifdef HAVE_AOA_HID
 # include "hid_keyboard.h"
 # include "hid_mouse.h"
@@ -44,7 +44,7 @@ struct scrcpy {
     struct sc_v4l2_sink v4l2_sink;
 #endif
     struct sc_controller controller;
-    struct file_handler file_handler;
+    struct sc_file_pusher file_pusher;
 #ifdef HAVE_AOA_HID
     struct sc_aoa aoa;
     // sequence/ack helper to synchronize clipboard and Ctrl+v via HID
@@ -181,13 +181,13 @@ handle_event(struct scrcpy *s, const struct scrcpy_options *options,
                 break;
             }
 
-            file_handler_action_t action;
+            enum sc_file_pusher_action action;
             if (is_apk(file)) {
-                action = ACTION_INSTALL_APK;
+                action = SC_FILE_PUSHER_ACTION_INSTALL_APK;
             } else {
-                action = ACTION_PUSH_FILE;
+                action = SC_FILE_PUSHER_ACTION_PUSH_FILE;
             }
-            file_handler_request(&s->file_handler, action, file);
+            sc_file_pusher_request(&s->file_pusher, action, file);
             goto end;
         }
     }
@@ -327,7 +327,7 @@ scrcpy(struct scrcpy_options *options) {
     bool ret = false;
 
     bool server_started = false;
-    bool file_handler_initialized = false;
+    bool file_pusher_initialized = false;
     bool recorder_initialized = false;
 #ifdef HAVE_V4L2
     bool v4l2_sink_initialized = false;
@@ -408,11 +408,11 @@ scrcpy(struct scrcpy_options *options) {
     assert(serial);
 
     if (options->display && options->control) {
-        if (!file_handler_init(&s->file_handler, serial,
+        if (!sc_file_pusher_init(&s->file_pusher, serial,
-                               options->push_target)) {
+                                 options->push_target)) {
             goto end;
         }
-        file_handler_initialized = true;
+        file_pusher_initialized = true;
     }
 
     struct decoder *dec = NULL;
@@ -649,8 +649,8 @@ end:
     if (controller_started) {
         sc_controller_stop(&s->controller);
     }
-    if (file_handler_initialized) {
+    if (file_pusher_initialized) {
-        file_handler_stop(&s->file_handler);
+        sc_file_pusher_stop(&s->file_pusher);
     }
     if (screen_initialized) {
         sc_screen_interrupt(&s->screen);
@@ -698,9 +698,9 @@ end:
         recorder_destroy(&s->recorder);
     }
 
-    if (file_handler_initialized) {
+    if (file_pusher_initialized) {
-        file_handler_join(&s->file_handler);
+        sc_file_pusher_join(&s->file_pusher);
-        file_handler_destroy(&s->file_handler);
+        sc_file_pusher_destroy(&s->file_pusher);
     }
 
     sc_server_destroy(&s->server);