[client] project restructure part 1/2

client/src/kb.h

@@ -0,0 +1,56 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program 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.
+
+This program 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+static uint32_t usb_to_ps2[] =
+{
+  0x000000, 0x000000, 0x000000, 0x000000, 0x00001e, 0x000030, 0x00002e,
+  0x000020, 0x000012, 0x000021, 0x000022, 0x000023, 0x000017, 0x000024,
+  0x000025, 0x000026, 0x000032, 0x000031, 0x000018, 0x000019, 0x000010,
+  0x000013, 0x00001f, 0x000014, 0x000016, 0x00002f, 0x000011, 0x00002d,
+  0x000015, 0x00002c, 0x000002, 0x000003, 0x000004, 0x000005, 0x000006,
+  0x000007, 0x000008, 0x000009, 0x00000a, 0x00000b, 0x00001c, 0x000001,
+  0x00000e, 0x00000f, 0x000039, 0x00000c, 0x00000d, 0x00001a, 0x00001b,
+  0x00002b, 0x00002b, 0x000027, 0x000028, 0x000029, 0x000033, 0x000034,
+  0x000035, 0x00003a, 0x00003b, 0x00003c, 0x00003d, 0x00003e, 0x00003f,
+  0x000040, 0x000041, 0x000042, 0x000043, 0x000044, 0x000057, 0x000058,
+  0x00e037, 0x000046, 0x00e046, 0x00e052, 0x00e047, 0x00e049, 0x00e053,
+  0x00e04f, 0x00e051, 0x00e04d, 0x00e04b, 0x00e050, 0x00e048, 0x000045,
+  0x00e035, 0x000037, 0x00004a, 0x00004e, 0x00e01c, 0x00004f, 0x000050,
+  0x000051, 0x00004b, 0x00004c, 0x00004d, 0x000047, 0x000048, 0x000049,
+  0x000052, 0x000053, 0x000056, 0x00e05d, 0x000000, 0x000059, 0x00005d,
+  0x00005e, 0x00005f, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x00007e, 0x000000, 0x000073, 0x000070, 0x00007d, 0x000079, 0x00007b,
+  0x00005c, 0x000000, 0x000000, 0x000000, 0x0000f2, 0x0000f1, 0x000078,
+  0x000077, 0x000076, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000, 0x000000,
+  0x00001d, 0x00002a, 0x000038, 0x00e05b, 0x00e01d, 0x000036, 0x00e038,
+  0x00e05c
+};

client/src/lg-fonts.c

@@ -0,0 +1,31 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program 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.
+
+This program 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "lg-fonts.h"
+#include <stdlib.h>
+
+extern const LG_Font LGF_SDL;
+
+const LG_Font * LG_Fonts[] =
+{
+  &LGF_SDL,
+  NULL // end of array sentinal
+};
+
+#define LG_FONT_COUNT ((sizeof(LG_Fonts) / sizeof(LG_Font *)) - 1)

client/src/lg-renderer.c

@@ -0,0 +1,49 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program 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.
+
+This program 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <stdbool.h>
+#include <string.h>
+
+bool LG_RendererValidatorBool(const char * value)
+{
+  if (!value)
+    return false;
+
+  return
+    (strcasecmp(value, "1"      ) == 0) ||
+    (strcasecmp(value, "0"      ) == 0) ||
+    (strcasecmp(value, "true"   ) == 0) ||
+    (strcasecmp(value, "false"  ) == 0) ||
+    (strcasecmp(value, "yes"    ) == 0) ||
+    (strcasecmp(value, "no"     ) == 0) ||
+    (strcasecmp(value, "on"     ) == 0) ||
+    (strcasecmp(value, "off"    ) == 0) ||
+    (strcasecmp(value, "enable" ) == 0) ||
+    (strcasecmp(value, "disable") == 0);
+}
+
+bool LG_RendererValueToBool(const char * value)
+{
+  return
+    (strcasecmp(value, "1"      ) == 0) ||
+    (strcasecmp(value, "true"   ) == 0) ||
+    (strcasecmp(value, "yes"    ) == 0) ||
+    (strcasecmp(value, "on"     ) == 0) ||
+    (strcasecmp(value, "enable" ) == 0);
+}

client/src/ll.c

@@ -0,0 +1,160 @@
+/*
+KVMGFX Client - A KVM Client for VGA Passthrough
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program 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.
+
+This program 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "ll.h"
+
+#include "utils.h"
+#include <stdlib.h>
+#include <assert.h>
+
+struct ll_item
+{
+  void           * data;
+  struct ll_item * next;
+};
+
+struct ll
+{
+  struct ll_item * head;
+  struct ll_item * tail;
+  struct ll_item * pos;
+  unsigned int count;
+  LG_Lock lock;
+};
+
+struct ll * ll_new()
+{
+  struct ll * list = malloc(sizeof(struct ll));
+  list->head = NULL;
+  list->tail = NULL;
+  list->pos  = NULL;
+  LG_LOCK_INIT(list->lock);
+  return list;
+}
+
+void ll_free(struct ll * list)
+{
+  // never free a list with items in it!
+  assert(!list->head);
+
+  LG_LOCK_FREE(list->lock);
+  free(list);
+}
+
+void ll_push(struct ll * list, void * data)
+{
+  struct ll_item * item = malloc(sizeof(struct ll_item));
+  item->data = data;
+  item->next = NULL;
+
+  LG_LOCK(list->lock);
+  if (!list->head)
+  {
+    list->head = item;
+    list->tail = item;
+    LG_UNLOCK(list->lock);
+    return;
+  }
+
+  ++list->count;
+  list->tail->next = item;
+  list->tail       = item;
+  LG_UNLOCK(list->lock);
+}
+
+bool ll_shift(struct ll * list, void ** data)
+{
+  LG_LOCK(list->lock);
+  if (!list->head)
+  {
+    LG_UNLOCK(list->lock);
+    return false;
+  }
+
+  --list->count;
+  struct ll_item * item = list->head;
+  list->head = item->next;
+
+  list->pos = NULL;
+  LG_UNLOCK(list->lock);
+
+  if (data)
+    *data = item->data;
+
+  free(item);
+  return true;
+}
+
+bool ll_peek_head(struct ll * list, void ** data)
+{
+  LG_LOCK(list->lock);
+  if (!list->head)
+  {
+    LG_UNLOCK(list->lock);
+    return false;
+  }
+
+  *data = list->head->data;
+  LG_UNLOCK(list->lock);
+
+  return true;
+}
+
+unsigned int ll_count(struct ll * list)
+{
+  return list->count;
+}
+
+void ll_reset (struct ll * list)
+{
+  LG_LOCK(list->lock);
+  list->pos = NULL;
+  LG_UNLOCK(list->lock);
+}
+
+
+bool ll_walk(struct ll * list, void ** data)
+{
+  LG_LOCK(list->lock);
+
+  if (!list->pos)
+  {
+    if (!list->head)
+    {
+      LG_UNLOCK(list->lock);
+      return false;
+    }
+
+    list->pos = list->head;
+  }
+  else
+  {
+    if (!list->pos->next)
+    {
+      LG_UNLOCK(list->lock);
+      return false;
+    }
+    list->pos = list->pos->next;
+  }
+
+  *data = list->pos->data;
+  LG_UNLOCK(list->lock);
+
+  return true;
+}

client/src/utils.c

@@ -0,0 +1,70 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program 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.
+
+This program 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "utils.h"
+#include "debug.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+bool file_get_contents(const char * filename, char ** buffer, size_t * length)
+{
+  FILE * fh = fopen(filename, "r");
+  if (!fh)
+  {
+    DEBUG_ERROR("Failed to open the file: %s", filename);
+    return false;
+  }
+
+  if (fseek(fh, 0, SEEK_END) != 0)
+  {
+    DEBUG_ERROR("Failed to seek");
+    fclose(fh);
+    return false;
+  }
+
+  long fsize = ftell(fh);
+  if (fseek(fh, 0, SEEK_SET) != 0)
+  {
+    DEBUG_ERROR("Failed to seek");
+    fclose(fh);
+    return false;
+  }
+
+  *buffer = malloc(fsize + 1);
+  if (!*buffer)
+  {
+    DEBUG_ERROR("Failed to allocate buffer of %lu bytes", fsize + 1);
+    fclose(fh);
+    return false;
+  }
+
+  if (fread(*buffer, 1, fsize, fh) != fsize)
+  {
+    DEBUG_ERROR("Failed to read the entire file");
+    fclose(fh);
+    free(*buffer);
+    return false;
+  }
+
+  fclose(fh);
+  buffer[fsize] = 0;
+  *length = fsize;
+  return true;
+}