mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-12-22 21:43:40 +00:00
[client] main: move config and option parsing into a seperate unit
This commit is contained in:
Geoffrey McRae
parent
35094a57cb
commit
4dee965fdf
@ -73,6 +73,7 @@ link_libraries(
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set(SOURCES
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src/main.c
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src/app.c
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src/config.c
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src/lg-renderer.c
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src/ll.c
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src/utils.c
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621
client/src/config.c
Normal file
621
client/src/config.c
Normal file
@ -0,0 +1,621 @@
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/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "main.h"
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#include "config.h"
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#include "debug.h"
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#include <sys/stat.h>
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#include <libconfig.h>
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#include <pwd.h>
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#include <unistd.h>
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static bool load(const char * configFile);
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static void doLicense();
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static void doHelp(char * app);
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bool config_load(int argc, char * argv[])
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{
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// duplicate the constants to avoid crashing out when trying to free
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// these values. This is to allow the defaults to be overridden.
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params.shmFile = strdup(params.shmFile );
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params.spiceHost = strdup(params.spiceHost );
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params.windowTitle = strdup(params.windowTitle);
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// load any global then local config options first
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struct stat st;
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if (stat("/etc/looking-glass.conf", &st) >= 0)
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{
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DEBUG_INFO("Loading config from: /etc/looking-glass.conf");
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if (!load("/etc/looking-glass.conf"))
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return false;
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}
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struct passwd * pw = getpwuid(getuid());
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const char pattern[] = "%s/.looking-glass.conf";
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const size_t len = strlen(pw->pw_dir) + sizeof(pattern);
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char buffer[len];
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snprintf(buffer, len, pattern, pw->pw_dir);
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if (stat(buffer, &st) >= 0)
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{
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DEBUG_INFO("Loading config from: %s", buffer);
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if (!load(buffer))
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return false;
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}
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for(;;)
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{
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switch(getopt(argc, argv, "hC:f:L:s:c:p:jMvK:kg:o:anrdFx:y:w:b:QSGm:lqt:"))
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{
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case '?':
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case 'h':
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default :
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doHelp(argv[0]);
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return false;
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case -1:
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break;
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case 'C':
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params.configFile = optarg;
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if (!load(optarg))
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return false;
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continue;
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case 'f':
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free(params.shmFile);
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params.shmFile = strdup(optarg);
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continue;
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case 'L':
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params.shmSize = atoi(optarg) * 1024 * 1024;
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continue;
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case 's':
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{
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if (strcasecmp("ALL", optarg) == 0)
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{
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params.useSpiceInput = false;
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params.useSpiceClipboard = false;
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}
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else if (strcasecmp("INPUT" , optarg) == 0) params.useSpiceInput = false;
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else if (strcasecmp("CLIPBOARD" , optarg) == 0) params.useSpiceClipboard = false;
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else if (strcasecmp("CLIPBOARD_TO_VM" , optarg) == 0) params.clipboardToVM = false;
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else if (strcasecmp("CLIPBOARD_TO_LOCAL", optarg) == 0) params.clipboardToLocal = false;
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else
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{
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fprintf(stderr, "Invalid spice feature: %s\n", optarg);
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fprintf(stderr, "Must be one of ALL, INPUT, CLIPBOARD, CLIPBOARD_TO_VM, CLIPBOARD_TO_LOCAL\n");
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doHelp(argv[0]);
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return false;
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}
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continue;
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}
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case 'c':
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free(params.spiceHost);
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params.spiceHost = strdup(optarg);
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continue;
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case 'p':
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params.spicePort = atoi(optarg);
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continue;
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case 'j':
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params.scaleMouseInput = false;
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continue;
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case 'M':
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params.hideMouse = false;
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continue;
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case 'K':
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params.fpsLimit = atoi(optarg);
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continue;
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case 'k':
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params.showFPS = true;
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continue;
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case 'g':
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{
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bool ok = false;
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for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
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if (strcasecmp(LG_Renderers[i]->get_name(), optarg) == 0)
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{
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params.forceRenderer = true;
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params.forceRendererIndex = i;
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ok = true;
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break;
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}
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if (!ok)
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{
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fprintf(stderr, "No such renderer: %s\n", optarg);
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fprintf(stderr, "Use '-o list' obtain a list of options\n");
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doHelp(argv[0]);
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return false;
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}
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continue;
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}
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case 'o':
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{
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if (strcasecmp(optarg, "list") == 0)
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{
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size_t maxLen = 0;
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for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
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{
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const LG_Renderer * r = LG_Renderers[i];
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for(unsigned int j = 0; j < r->option_count; ++j)
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{
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const size_t len = strlen(r->options[j].name);
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if (len > maxLen)
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maxLen = len;
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}
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}
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fprintf(stderr, "\nRenderer Option List\n");
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for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
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{
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const LG_Renderer * r = LG_Renderers[i];
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fprintf(stderr, "\n%s\n", r->get_name());
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for(unsigned int j = 0; j < r->option_count; ++j)
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{
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const size_t pad = maxLen - strlen(r->options[j].name);
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for(int i = 0; i < pad; ++i)
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fputc(' ', stderr);
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fprintf(stderr, " %s - %s\n", r->options[j].name, r->options[j].desc);
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}
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}
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fprintf(stderr, "\n");
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return false;
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}
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const LG_Renderer * renderer = NULL;
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RendererOpts * opts = NULL;
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const size_t len = strlen(optarg);
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const char * name = strtok(optarg, ":");
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for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
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if (strcasecmp(LG_Renderers[i]->get_name(), name) == 0)
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{
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renderer = LG_Renderers[i];
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opts = ¶ms.rendererOpts[i];
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break;
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}
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if (!renderer)
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{
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fprintf(stderr, "No such renderer: %s\n", name);
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doHelp(argv[0]);
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return false;
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}
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const char * option = strtok(NULL , "=");
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if (!option)
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{
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fprintf(stderr, "Renderer option name not specified\n");
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doHelp(argv[0]);
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return false;
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}
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const LG_RendererOpt * opt = NULL;
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for(unsigned int i = 0; i < renderer->option_count; ++i)
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if (strcasecmp(option, renderer->options[i].name) == 0)
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{
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opt = &renderer->options[i];
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break;
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}
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if (!opt)
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{
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fprintf(stderr, "Renderer \"%s\" doesn't have the option: %s\n", renderer->get_name(), option);
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doHelp(argv[0]);
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return false;
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}
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const char * value = NULL;
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if (len > strlen(name) + strlen(option) + 2)
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value = option + strlen(option) + 1;
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if (opt->validator && !opt->validator(value))
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{
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fprintf(stderr, "Renderer \"%s\" reported invalid value for option \"%s\"\n", renderer->get_name(), option);
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doHelp(argv[0]);
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return false;
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}
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if (opts->argc == opts->size)
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{
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opts->size += 5;
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opts->argv = realloc(opts->argv, sizeof(LG_RendererOptValue) * opts->size);
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}
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opts->argv[opts->argc].opt = opt;
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opts->argv[opts->argc].value = strdup(value);
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++opts->argc;
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continue;
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}
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case 'a':
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params.autoResize = true;
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continue;
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case 'n':
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params.allowResize = false;
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continue;
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case 'r':
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params.keepAspect = false;
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continue;
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case 'd':
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params.borderless = true;
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continue;
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case 'F':
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params.fullscreen = true;
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continue;
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case 'x':
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params.center = false;
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params.x = atoi(optarg);
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continue;
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case 'y':
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params.center = false;
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params.y = atoi(optarg);
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continue;
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case 'w':
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params.w = atoi(optarg);
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continue;
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case 'b':
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params.h = atoi(optarg);
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continue;
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case 'Q':
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params.ignoreQuit = true;
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continue;
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case 'S':
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params.allowScreensaver = false;
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continue;
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case 'G':
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params.grabKeyboard = false;
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continue;
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case 'm':
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params.escapeKey = atoi(optarg);
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continue;
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case 'q':
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params.disableAlerts = true;
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continue;
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case 't':
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free(params.windowTitle);
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params.windowTitle = strdup(optarg);
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continue;
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case 'l':
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doLicense();
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return false;
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}
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break;
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}
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if (optind != argc)
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{
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fprintf(stderr, "A non option was supplied\n");
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doHelp(argv[0]);
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return false;
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}
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return true;
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}
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static bool load(const char * configFile)
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{
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config_t cfg;
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int itmp;
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const char *stmp;
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config_init(&cfg);
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if (!config_read_file(&cfg, configFile))
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{
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DEBUG_ERROR("Config file error %s:%d - %s",
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config_error_file(&cfg),
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config_error_line(&cfg),
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config_error_text(&cfg)
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);
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return false;
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}
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config_setting_t * global = config_lookup(&cfg, "global");
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if (global)
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{
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if (config_setting_lookup_string(global, "shmFile", &stmp))
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{
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free(params.shmFile);
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params.shmFile = strdup(stmp);
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}
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if (config_setting_lookup_int(global, "shmSize", &itmp))
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params.shmSize = itmp * 1024 * 1024;
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if (config_setting_lookup_string(global, "forceRenderer", &stmp))
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{
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bool ok = false;
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for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
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if (strcasecmp(LG_Renderers[i]->get_name(), stmp) == 0)
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{
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params.forceRenderer = true;
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params.forceRendererIndex = i;
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ok = true;
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break;
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}
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if (!ok)
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{
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DEBUG_ERROR("No such renderer: %s", stmp);
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config_destroy(&cfg);
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return false;
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}
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}
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if (config_setting_lookup_bool(global, "scaleMouseInput" , &itmp)) params.scaleMouseInput = (itmp != 0);
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if (config_setting_lookup_bool(global, "hideMouse" , &itmp)) params.hideMouse = (itmp != 0);
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if (config_setting_lookup_bool(global, "showFPS" , &itmp)) params.showFPS = (itmp != 0);
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if (config_setting_lookup_bool(global, "autoResize" , &itmp)) params.autoResize = (itmp != 0);
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if (config_setting_lookup_bool(global, "allowResize" , &itmp)) params.allowResize = (itmp != 0);
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if (config_setting_lookup_bool(global, "keepAspect" , &itmp)) params.keepAspect = (itmp != 0);
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if (config_setting_lookup_bool(global, "borderless" , &itmp)) params.borderless = (itmp != 0);
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if (config_setting_lookup_bool(global, "fullScreen" , &itmp)) params.fullscreen = (itmp != 0);
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if (config_setting_lookup_bool(global, "ignoreQuit" , &itmp)) params.ignoreQuit = (itmp != 0);
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if (config_setting_lookup_bool(global, "allowScreensaver", &itmp)) params.allowScreensaver = (itmp != 0);
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if (config_setting_lookup_bool(global, "disableAlerts" , &itmp)) params.disableAlerts = (itmp != 0);
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if (config_setting_lookup_int(global, "x", ¶ms.x)) params.center = false;
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if (config_setting_lookup_int(global, "y", ¶ms.y)) params.center = false;
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if (config_setting_lookup_int(global, "w", &itmp))
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{
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if (itmp < 1)
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{
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DEBUG_ERROR("Invalid window width, must be greater then 1px");
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config_destroy(&cfg);
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return false;
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}
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params.w = (unsigned int)itmp;
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}
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if (config_setting_lookup_int(global, "h", &itmp))
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{
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if (itmp < 1)
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{
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DEBUG_ERROR("Invalid window height, must be greater then 1px");
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config_destroy(&cfg);
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return false;
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}
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params.h = (unsigned int)itmp;
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}
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if (config_setting_lookup_int(global, "fpsLimit", &itmp))
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{
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if (itmp < 1)
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{
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DEBUG_ERROR("Invalid FPS limit, must be greater then 0");
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config_destroy(&cfg);
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return false;
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}
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params.fpsLimit = (unsigned int)itmp;
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}
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if (config_setting_lookup_int(global, "escapeKey", &itmp))
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{
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if (itmp <= SDL_SCANCODE_UNKNOWN || itmp > SDL_SCANCODE_APP2)
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{
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DEBUG_ERROR("Invalid capture key value, see https://wiki.libsdl.org/SDLScancodeLookup");
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config_destroy(&cfg);
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return false;
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}
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params.escapeKey = (SDL_Scancode)itmp;
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}
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if (config_setting_lookup_string(global, "windowTitle", &stmp))
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{
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free(params.windowTitle);
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params.windowTitle = strdup(stmp);
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}
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}
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config_setting_t * spice = config_lookup(&cfg, "spice");
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if (spice)
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{
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if (config_setting_lookup_bool(spice, "useInput", &itmp))
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params.useSpiceInput = (itmp != 0);
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if (config_setting_lookup_bool(spice, "useClipboard", &itmp))
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params.useSpiceClipboard = (itmp != 0);
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if (config_setting_lookup_bool(spice, "clipboardToVM", &itmp))
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params.clipboardToVM = (itmp != 0);
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if (config_setting_lookup_bool(spice, "clipboardToLocal", &itmp))
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params.clipboardToLocal = (itmp != 0);
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if (config_setting_lookup_string(spice, "host", &stmp))
|
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{
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free(params.spiceHost);
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params.spiceHost = strdup(stmp);
|
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}
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if (config_setting_lookup_int(spice, "port", &itmp))
|
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{
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if (itmp < 0 || itmp > 65535)
|
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{
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DEBUG_ERROR("Invalid spice port");
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config_destroy(&cfg);
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return false;
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}
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params.spicePort = itmp;
|
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}
|
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}
|
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|
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for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
|
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{
|
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const LG_Renderer * r = LG_Renderers[i];
|
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RendererOpts * opts = ¶ms.rendererOpts[i];
|
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config_setting_t * group = config_lookup(&cfg, r->get_name());
|
||||
if (!group)
|
||||
continue;
|
||||
|
||||
for(unsigned int j = 0; j < r->option_count; ++j)
|
||||
{
|
||||
const char * name = r->options[j].name;
|
||||
if (!config_setting_lookup_string(group, name, &stmp))
|
||||
continue;
|
||||
|
||||
if (r->options[j].validator && !r->options[j].validator(stmp))
|
||||
{
|
||||
DEBUG_ERROR("Renderer \"%s\" reported invalid value for option \"%s\"", r->get_name(), name);
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (opts->argc == opts->size)
|
||||
{
|
||||
opts->size += 5;
|
||||
opts->argv = realloc(opts->argv, sizeof(LG_RendererOptValue) * opts->size);
|
||||
}
|
||||
|
||||
opts->argv[opts->argc].opt = &r->options[j];
|
||||
opts->argv[opts->argc].value = strdup(stmp);
|
||||
++opts->argc;
|
||||
}
|
||||
}
|
||||
|
||||
config_destroy(&cfg);
|
||||
return true;
|
||||
}
|
||||
|
||||
static void doHelp(char * app)
|
||||
{
|
||||
char x[8], y[8];
|
||||
snprintf(x, sizeof(x), "%d", params.x);
|
||||
snprintf(y, sizeof(y), "%d", params.y);
|
||||
|
||||
fprintf(stderr,
|
||||
"\n"
|
||||
"Looking Glass Client\n"
|
||||
"Usage: %s [OPTION]...\n"
|
||||
"Example: %s -h\n"
|
||||
"\n"
|
||||
" -h Print out this help\n"
|
||||
"\n"
|
||||
" -C PATH Specify an additional configuration file to load\n"
|
||||
" -f PATH Specify the path to the shared memory file [current: %s]\n"
|
||||
" -L SIZE Specify the size in MB of the shared memory file (0 = detect) [current: %d]\n"
|
||||
"\n"
|
||||
" -s FEATURE Disable spice feature (specify multiple times for each feature)\n"
|
||||
"\n"
|
||||
" ALL Disable the spice client entirely\n"
|
||||
" INPUT Disable spice keyboard & mouse input\n"
|
||||
" CLIPBOARD Disable spice clipboard support\n"
|
||||
" CLIPBOARD_TO_VM Disable local clipboard to VM sync\n"
|
||||
" CLIPBOARD_TO_LOCAL Disable VM clipboard to local sync\n"
|
||||
"\n"
|
||||
" -c HOST Specify the spice host or UNIX socket [current: %s]\n"
|
||||
" -p PORT Specify the spice port or 0 for UNIX socket [current: %d]\n"
|
||||
" -j Disable cursor position scaling\n"
|
||||
" -M Don't hide the host cursor\n"
|
||||
"\n"
|
||||
" -K Set the FPS limit [current: %d]\n"
|
||||
" -k Enable FPS display\n"
|
||||
" -g NAME Force the use of a specific renderer\n"
|
||||
" -o OPTION Specify a renderer option (ie: opengl:vsync=0)\n"
|
||||
" Alternatively specify \"list\" to list all renderers and their options\n"
|
||||
"\n"
|
||||
" -a Auto resize the window to the guest\n"
|
||||
" -n Don't allow the window to be manually resized\n"
|
||||
" -r Don't maintain the aspect ratio\n"
|
||||
" -d Borderless mode\n"
|
||||
" -F Borderless fullscreen mode\n"
|
||||
" -x XPOS Initial window X position [current: %s]\n"
|
||||
" -y YPOS Initial window Y position [current: %s]\n"
|
||||
" -w WIDTH Initial window width [current: %u]\n"
|
||||
" -b HEIGHT Initial window height [current: %u]\n"
|
||||
" -Q Ignore requests to quit (ie: Alt+F4)\n"
|
||||
" -S Disable the screensaver\n"
|
||||
" -G Don't capture the keyboard in capture mode\n"
|
||||
" -m CODE Specify the escape key [current: %u (%s)]\n"
|
||||
" See https://wiki.libsdl.org/SDLScancodeLookup for valid values\n"
|
||||
" -q Disable alert messages [current: %s]\n"
|
||||
" -t TITLE Use a custom title for the main window\n"
|
||||
"\n"
|
||||
" -l License information\n"
|
||||
"\n",
|
||||
app,
|
||||
app,
|
||||
params.shmFile,
|
||||
params.shmSize,
|
||||
params.spiceHost,
|
||||
params.spicePort,
|
||||
params.fpsLimit,
|
||||
params.center ? "center" : x,
|
||||
params.center ? "center" : y,
|
||||
params.w,
|
||||
params.h,
|
||||
params.escapeKey,
|
||||
SDL_GetScancodeName(params.escapeKey),
|
||||
params.disableAlerts ? "disabled" : "enabled"
|
||||
);
|
||||
}
|
||||
|
||||
static void doLicense()
|
||||
{
|
||||
fprintf(stderr,
|
||||
"\n"
|
||||
"Looking Glass - KVM FrameRelay (KVMFR) Client\n"
|
||||
"Copyright(C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>\n"
|
||||
"https://looking-glass.hostfission.com\n"
|
||||
"\n"
|
||||
"This program is free software; you can redistribute it and / or modify it under\n"
|
||||
"the terms of the GNU General Public License as published by the Free Software\n"
|
||||
"Foundation; either version 2 of the License, or (at your option) any later\n"
|
||||
"version.\n"
|
||||
"\n"
|
||||
"This program is distributed in the hope that it will be useful, but WITHOUT ANY\n"
|
||||
"WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A\n"
|
||||
"PARTICULAR PURPOSE.See the GNU General Public License for more details.\n"
|
||||
"\n"
|
||||
"You should have received a copy of the GNU General Public License along with\n"
|
||||
"this program; if not, write to the Free Software Foundation, Inc., 59 Temple\n"
|
||||
"Place, Suite 330, Boston, MA 02111 - 1307 USA\n"
|
||||
"\n"
|
||||
);
|
||||
}
|
||||
22
client/src/config.h
Normal file
22
client/src/config.h
Normal file
@ -0,0 +1,22 @@
|
||||
/*
|
||||
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>
|
||||
|
||||
bool config_load(int argc, char * argv[]);
|
||||
@ -18,15 +18,15 @@ Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include "main.h"
|
||||
#include "config.h"
|
||||
|
||||
#include <getopt.h>
|
||||
#include <signal.h>
|
||||
#include <SDL2/SDL_syswm.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <pwd.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
@ -34,7 +34,6 @@ Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <assert.h>
|
||||
#include <libconfig.h>
|
||||
|
||||
#include "debug.h"
|
||||
#include "utils.h"
|
||||
@ -1290,592 +1289,11 @@ int run()
|
||||
return 0;
|
||||
}
|
||||
|
||||
void doHelp(char * app)
|
||||
{
|
||||
char x[8], y[8];
|
||||
snprintf(x, sizeof(x), "%d", params.x);
|
||||
snprintf(y, sizeof(y), "%d", params.y);
|
||||
|
||||
fprintf(stderr,
|
||||
"\n"
|
||||
"Looking Glass Client\n"
|
||||
"Usage: %s [OPTION]...\n"
|
||||
"Example: %s -h\n"
|
||||
"\n"
|
||||
" -h Print out this help\n"
|
||||
"\n"
|
||||
" -C PATH Specify an additional configuration file to load\n"
|
||||
" -f PATH Specify the path to the shared memory file [current: %s]\n"
|
||||
" -L SIZE Specify the size in MB of the shared memory file (0 = detect) [current: %d]\n"
|
||||
"\n"
|
||||
" -s FEATURE Disable spice feature (specify multiple times for each feature)\n"
|
||||
"\n"
|
||||
" ALL Disable the spice client entirely\n"
|
||||
" INPUT Disable spice keyboard & mouse input\n"
|
||||
" CLIPBOARD Disable spice clipboard support\n"
|
||||
" CLIPBOARD_TO_VM Disable local clipboard to VM sync\n"
|
||||
" CLIPBOARD_TO_LOCAL Disable VM clipboard to local sync\n"
|
||||
"\n"
|
||||
" -c HOST Specify the spice host or UNIX socket [current: %s]\n"
|
||||
" -p PORT Specify the spice port or 0 for UNIX socket [current: %d]\n"
|
||||
" -j Disable cursor position scaling\n"
|
||||
" -M Don't hide the host cursor\n"
|
||||
"\n"
|
||||
" -K Set the FPS limit [current: %d]\n"
|
||||
" -k Enable FPS display\n"
|
||||
" -g NAME Force the use of a specific renderer\n"
|
||||
" -o OPTION Specify a renderer option (ie: opengl:vsync=0)\n"
|
||||
" Alternatively specify \"list\" to list all renderers and their options\n"
|
||||
"\n"
|
||||
" -a Auto resize the window to the guest\n"
|
||||
" -n Don't allow the window to be manually resized\n"
|
||||
" -r Don't maintain the aspect ratio\n"
|
||||
" -d Borderless mode\n"
|
||||
" -F Borderless fullscreen mode\n"
|
||||
" -x XPOS Initial window X position [current: %s]\n"
|
||||
" -y YPOS Initial window Y position [current: %s]\n"
|
||||
" -w WIDTH Initial window width [current: %u]\n"
|
||||
" -b HEIGHT Initial window height [current: %u]\n"
|
||||
" -Q Ignore requests to quit (ie: Alt+F4)\n"
|
||||
" -S Disable the screensaver\n"
|
||||
" -G Don't capture the keyboard in capture mode\n"
|
||||
" -m CODE Specify the escape key [current: %u (%s)]\n"
|
||||
" See https://wiki.libsdl.org/SDLScancodeLookup for valid values\n"
|
||||
" -q Disable alert messages [current: %s]\n"
|
||||
" -t TITLE Use a custom title for the main window\n"
|
||||
"\n"
|
||||
" -l License information\n"
|
||||
"\n",
|
||||
app,
|
||||
app,
|
||||
params.shmFile,
|
||||
params.shmSize,
|
||||
params.spiceHost,
|
||||
params.spicePort,
|
||||
params.fpsLimit,
|
||||
params.center ? "center" : x,
|
||||
params.center ? "center" : y,
|
||||
params.w,
|
||||
params.h,
|
||||
params.escapeKey,
|
||||
SDL_GetScancodeName(params.escapeKey),
|
||||
params.disableAlerts ? "disabled" : "enabled"
|
||||
);
|
||||
}
|
||||
|
||||
void doLicense()
|
||||
{
|
||||
fprintf(stderr,
|
||||
"\n"
|
||||
"Looking Glass - KVM FrameRelay (KVMFR) Client\n"
|
||||
"Copyright(C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>\n"
|
||||
"https://looking-glass.hostfission.com\n"
|
||||
"\n"
|
||||
"This program is free software; you can redistribute it and / or modify it under\n"
|
||||
"the terms of the GNU General Public License as published by the Free Software\n"
|
||||
"Foundation; either version 2 of the License, or (at your option) any later\n"
|
||||
"version.\n"
|
||||
"\n"
|
||||
"This program is distributed in the hope that it will be useful, but WITHOUT ANY\n"
|
||||
"WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A\n"
|
||||
"PARTICULAR PURPOSE.See the GNU General Public License for more details.\n"
|
||||
"\n"
|
||||
"You should have received a copy of the GNU General Public License along with\n"
|
||||
"this program; if not, write to the Free Software Foundation, Inc., 59 Temple\n"
|
||||
"Place, Suite 330, Boston, MA 02111 - 1307 USA\n"
|
||||
"\n"
|
||||
);
|
||||
}
|
||||
|
||||
static bool load_config(const char * configFile)
|
||||
{
|
||||
config_t cfg;
|
||||
int itmp;
|
||||
const char *stmp;
|
||||
|
||||
config_init(&cfg);
|
||||
if (!config_read_file(&cfg, configFile))
|
||||
{
|
||||
DEBUG_ERROR("Config file error %s:%d - %s",
|
||||
config_error_file(&cfg),
|
||||
config_error_line(&cfg),
|
||||
config_error_text(&cfg)
|
||||
);
|
||||
return false;
|
||||
}
|
||||
|
||||
config_setting_t * global = config_lookup(&cfg, "global");
|
||||
if (global)
|
||||
{
|
||||
if (config_setting_lookup_string(global, "shmFile", &stmp))
|
||||
{
|
||||
free(params.shmFile);
|
||||
params.shmFile = strdup(stmp);
|
||||
}
|
||||
|
||||
if (config_setting_lookup_int(global, "shmSize", &itmp))
|
||||
params.shmSize = itmp * 1024 * 1024;
|
||||
|
||||
if (config_setting_lookup_string(global, "forceRenderer", &stmp))
|
||||
{
|
||||
bool ok = false;
|
||||
for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
|
||||
if (strcasecmp(LG_Renderers[i]->get_name(), stmp) == 0)
|
||||
{
|
||||
params.forceRenderer = true;
|
||||
params.forceRendererIndex = i;
|
||||
ok = true;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!ok)
|
||||
{
|
||||
DEBUG_ERROR("No such renderer: %s", stmp);
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if (config_setting_lookup_bool(global, "scaleMouseInput" , &itmp)) params.scaleMouseInput = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "hideMouse" , &itmp)) params.hideMouse = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "showFPS" , &itmp)) params.showFPS = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "autoResize" , &itmp)) params.autoResize = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "allowResize" , &itmp)) params.allowResize = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "keepAspect" , &itmp)) params.keepAspect = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "borderless" , &itmp)) params.borderless = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "fullScreen" , &itmp)) params.fullscreen = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "ignoreQuit" , &itmp)) params.ignoreQuit = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "allowScreensaver", &itmp)) params.allowScreensaver = (itmp != 0);
|
||||
if (config_setting_lookup_bool(global, "disableAlerts" , &itmp)) params.disableAlerts = (itmp != 0);
|
||||
|
||||
if (config_setting_lookup_int(global, "x", ¶ms.x)) params.center = false;
|
||||
if (config_setting_lookup_int(global, "y", ¶ms.y)) params.center = false;
|
||||
|
||||
if (config_setting_lookup_int(global, "w", &itmp))
|
||||
{
|
||||
if (itmp < 1)
|
||||
{
|
||||
DEBUG_ERROR("Invalid window width, must be greater then 1px");
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
params.w = (unsigned int)itmp;
|
||||
}
|
||||
|
||||
if (config_setting_lookup_int(global, "h", &itmp))
|
||||
{
|
||||
if (itmp < 1)
|
||||
{
|
||||
DEBUG_ERROR("Invalid window height, must be greater then 1px");
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
params.h = (unsigned int)itmp;
|
||||
}
|
||||
|
||||
if (config_setting_lookup_int(global, "fpsLimit", &itmp))
|
||||
{
|
||||
if (itmp < 1)
|
||||
{
|
||||
DEBUG_ERROR("Invalid FPS limit, must be greater then 0");
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
params.fpsLimit = (unsigned int)itmp;
|
||||
}
|
||||
|
||||
if (config_setting_lookup_int(global, "escapeKey", &itmp))
|
||||
{
|
||||
if (itmp <= SDL_SCANCODE_UNKNOWN || itmp > SDL_SCANCODE_APP2)
|
||||
{
|
||||
DEBUG_ERROR("Invalid capture key value, see https://wiki.libsdl.org/SDLScancodeLookup");
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
params.escapeKey = (SDL_Scancode)itmp;
|
||||
}
|
||||
|
||||
if (config_setting_lookup_string(global, "windowTitle", &stmp))
|
||||
{
|
||||
free(params.windowTitle);
|
||||
params.windowTitle = strdup(stmp);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
config_setting_t * spice = config_lookup(&cfg, "spice");
|
||||
if (spice)
|
||||
{
|
||||
if (config_setting_lookup_bool(spice, "useInput", &itmp))
|
||||
params.useSpiceInput = (itmp != 0);
|
||||
|
||||
if (config_setting_lookup_bool(spice, "useClipboard", &itmp))
|
||||
params.useSpiceClipboard = (itmp != 0);
|
||||
|
||||
if (config_setting_lookup_bool(spice, "clipboardToVM", &itmp))
|
||||
params.clipboardToVM = (itmp != 0);
|
||||
|
||||
if (config_setting_lookup_bool(spice, "clipboardToLocal", &itmp))
|
||||
params.clipboardToLocal = (itmp != 0);
|
||||
|
||||
if (config_setting_lookup_string(spice, "host", &stmp))
|
||||
{
|
||||
free(params.spiceHost);
|
||||
params.spiceHost = strdup(stmp);
|
||||
}
|
||||
|
||||
if (config_setting_lookup_int(spice, "port", &itmp))
|
||||
{
|
||||
if (itmp < 0 || itmp > 65535)
|
||||
{
|
||||
DEBUG_ERROR("Invalid spice port");
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
params.spicePort = itmp;
|
||||
}
|
||||
}
|
||||
|
||||
for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
|
||||
{
|
||||
const LG_Renderer * r = LG_Renderers[i];
|
||||
RendererOpts * opts = ¶ms.rendererOpts[i];
|
||||
config_setting_t * group = config_lookup(&cfg, r->get_name());
|
||||
if (!group)
|
||||
continue;
|
||||
|
||||
for(unsigned int j = 0; j < r->option_count; ++j)
|
||||
{
|
||||
const char * name = r->options[j].name;
|
||||
if (!config_setting_lookup_string(group, name, &stmp))
|
||||
continue;
|
||||
|
||||
if (r->options[j].validator && !r->options[j].validator(stmp))
|
||||
{
|
||||
DEBUG_ERROR("Renderer \"%s\" reported invalid value for option \"%s\"", r->get_name(), name);
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (opts->argc == opts->size)
|
||||
{
|
||||
opts->size += 5;
|
||||
opts->argv = realloc(opts->argv, sizeof(LG_RendererOptValue) * opts->size);
|
||||
}
|
||||
|
||||
opts->argv[opts->argc].opt = &r->options[j];
|
||||
opts->argv[opts->argc].value = strdup(stmp);
|
||||
++opts->argc;
|
||||
}
|
||||
}
|
||||
|
||||
config_destroy(&cfg);
|
||||
return true;
|
||||
}
|
||||
|
||||
int main(int argc, char * argv[])
|
||||
{
|
||||
params.shmFile = strdup(params.shmFile );
|
||||
params.spiceHost = strdup(params.spiceHost );
|
||||
params.windowTitle = strdup(params.windowTitle);
|
||||
|
||||
{
|
||||
// load any global then local config options first
|
||||
struct stat st;
|
||||
if (stat("/etc/looking-glass.conf", &st) >= 0)
|
||||
{
|
||||
DEBUG_INFO("Loading config from: /etc/looking-glass.conf");
|
||||
if (!load_config("/etc/looking-glass.conf"))
|
||||
return -1;
|
||||
}
|
||||
|
||||
struct passwd * pw = getpwuid(getuid());
|
||||
const char pattern[] = "%s/.looking-glass.conf";
|
||||
const size_t len = strlen(pw->pw_dir) + sizeof(pattern);
|
||||
char buffer[len];
|
||||
snprintf(buffer, len, pattern, pw->pw_dir);
|
||||
if (stat(buffer, &st) >= 0)
|
||||
{
|
||||
DEBUG_INFO("Loading config from: %s", buffer);
|
||||
if (!load_config(buffer))
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
for(;;)
|
||||
{
|
||||
switch(getopt(argc, argv, "hC:f:L:s:c:p:jMvK:kg:o:anrdFx:y:w:b:QSGm:lqt:"))
|
||||
{
|
||||
case '?':
|
||||
case 'h':
|
||||
default :
|
||||
doHelp(argv[0]);
|
||||
return -1;
|
||||
|
||||
case -1:
|
||||
break;
|
||||
|
||||
case 'C':
|
||||
params.configFile = optarg;
|
||||
if (!load_config(optarg))
|
||||
return -1;
|
||||
continue;
|
||||
|
||||
case 'f':
|
||||
free(params.shmFile);
|
||||
params.shmFile = strdup(optarg);
|
||||
continue;
|
||||
|
||||
case 'L':
|
||||
params.shmSize = atoi(optarg) * 1024 * 1024;
|
||||
continue;
|
||||
|
||||
case 's':
|
||||
{
|
||||
if (strcasecmp("ALL", optarg) == 0)
|
||||
{
|
||||
params.useSpiceInput = false;
|
||||
params.useSpiceClipboard = false;
|
||||
}
|
||||
else if (strcasecmp("INPUT" , optarg) == 0) params.useSpiceInput = false;
|
||||
else if (strcasecmp("CLIPBOARD" , optarg) == 0) params.useSpiceClipboard = false;
|
||||
else if (strcasecmp("CLIPBOARD_TO_VM" , optarg) == 0) params.clipboardToVM = false;
|
||||
else if (strcasecmp("CLIPBOARD_TO_LOCAL", optarg) == 0) params.clipboardToLocal = false;
|
||||
else
|
||||
{
|
||||
fprintf(stderr, "Invalid spice feature: %s\n", optarg);
|
||||
fprintf(stderr, "Must be one of ALL, INPUT, CLIPBOARD, CLIPBOARD_TO_VM, CLIPBOARD_TO_LOCAL\n");
|
||||
doHelp(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
case 'c':
|
||||
free(params.spiceHost);
|
||||
params.spiceHost = strdup(optarg);
|
||||
continue;
|
||||
|
||||
case 'p':
|
||||
params.spicePort = atoi(optarg);
|
||||
continue;
|
||||
|
||||
case 'j':
|
||||
params.scaleMouseInput = false;
|
||||
continue;
|
||||
|
||||
case 'M':
|
||||
params.hideMouse = false;
|
||||
continue;
|
||||
|
||||
case 'K':
|
||||
params.fpsLimit = atoi(optarg);
|
||||
continue;
|
||||
|
||||
case 'k':
|
||||
params.showFPS = true;
|
||||
continue;
|
||||
|
||||
case 'g':
|
||||
{
|
||||
bool ok = false;
|
||||
for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
|
||||
if (strcasecmp(LG_Renderers[i]->get_name(), optarg) == 0)
|
||||
{
|
||||
params.forceRenderer = true;
|
||||
params.forceRendererIndex = i;
|
||||
ok = true;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!ok)
|
||||
{
|
||||
fprintf(stderr, "No such renderer: %s\n", optarg);
|
||||
fprintf(stderr, "Use '-o list' obtain a list of options\n");
|
||||
doHelp(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
case 'o':
|
||||
{
|
||||
if (strcasecmp(optarg, "list") == 0)
|
||||
{
|
||||
size_t maxLen = 0;
|
||||
for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
|
||||
{
|
||||
const LG_Renderer * r = LG_Renderers[i];
|
||||
for(unsigned int j = 0; j < r->option_count; ++j)
|
||||
{
|
||||
const size_t len = strlen(r->options[j].name);
|
||||
if (len > maxLen)
|
||||
maxLen = len;
|
||||
}
|
||||
}
|
||||
|
||||
fprintf(stderr, "\nRenderer Option List\n");
|
||||
for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
|
||||
{
|
||||
const LG_Renderer * r = LG_Renderers[i];
|
||||
fprintf(stderr, "\n%s\n", r->get_name());
|
||||
for(unsigned int j = 0; j < r->option_count; ++j)
|
||||
{
|
||||
const size_t pad = maxLen - strlen(r->options[j].name);
|
||||
for(int i = 0; i < pad; ++i)
|
||||
fputc(' ', stderr);
|
||||
|
||||
fprintf(stderr, " %s - %s\n", r->options[j].name, r->options[j].desc);
|
||||
}
|
||||
}
|
||||
fprintf(stderr, "\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
const LG_Renderer * renderer = NULL;
|
||||
RendererOpts * opts = NULL;
|
||||
|
||||
const size_t len = strlen(optarg);
|
||||
const char * name = strtok(optarg, ":");
|
||||
|
||||
for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
|
||||
if (strcasecmp(LG_Renderers[i]->get_name(), name) == 0)
|
||||
{
|
||||
renderer = LG_Renderers[i];
|
||||
opts = ¶ms.rendererOpts[i];
|
||||
break;
|
||||
}
|
||||
|
||||
if (!renderer)
|
||||
{
|
||||
fprintf(stderr, "No such renderer: %s\n", name);
|
||||
doHelp(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const char * option = strtok(NULL , "=");
|
||||
if (!option)
|
||||
{
|
||||
fprintf(stderr, "Renderer option name not specified\n");
|
||||
doHelp(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const LG_RendererOpt * opt = NULL;
|
||||
for(unsigned int i = 0; i < renderer->option_count; ++i)
|
||||
if (strcasecmp(option, renderer->options[i].name) == 0)
|
||||
{
|
||||
opt = &renderer->options[i];
|
||||
break;
|
||||
}
|
||||
|
||||
if (!opt)
|
||||
{
|
||||
fprintf(stderr, "Renderer \"%s\" doesn't have the option: %s\n", renderer->get_name(), option);
|
||||
doHelp(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const char * value = NULL;
|
||||
if (len > strlen(name) + strlen(option) + 2)
|
||||
value = option + strlen(option) + 1;
|
||||
|
||||
if (opt->validator && !opt->validator(value))
|
||||
{
|
||||
fprintf(stderr, "Renderer \"%s\" reported invalid value for option \"%s\"\n", renderer->get_name(), option);
|
||||
doHelp(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (opts->argc == opts->size)
|
||||
{
|
||||
opts->size += 5;
|
||||
opts->argv = realloc(opts->argv, sizeof(LG_RendererOptValue) * opts->size);
|
||||
}
|
||||
|
||||
opts->argv[opts->argc].opt = opt;
|
||||
opts->argv[opts->argc].value = strdup(value);
|
||||
++opts->argc;
|
||||
continue;
|
||||
}
|
||||
|
||||
case 'a':
|
||||
params.autoResize = true;
|
||||
continue;
|
||||
|
||||
case 'n':
|
||||
params.allowResize = false;
|
||||
continue;
|
||||
|
||||
case 'r':
|
||||
params.keepAspect = false;
|
||||
continue;
|
||||
|
||||
case 'd':
|
||||
params.borderless = true;
|
||||
continue;
|
||||
|
||||
case 'F':
|
||||
params.fullscreen = true;
|
||||
continue;
|
||||
|
||||
case 'x':
|
||||
params.center = false;
|
||||
params.x = atoi(optarg);
|
||||
continue;
|
||||
|
||||
case 'y':
|
||||
params.center = false;
|
||||
params.y = atoi(optarg);
|
||||
continue;
|
||||
|
||||
case 'w':
|
||||
params.w = atoi(optarg);
|
||||
continue;
|
||||
|
||||
case 'b':
|
||||
params.h = atoi(optarg);
|
||||
continue;
|
||||
|
||||
case 'Q':
|
||||
params.ignoreQuit = true;
|
||||
continue;
|
||||
|
||||
case 'S':
|
||||
params.allowScreensaver = false;
|
||||
continue;
|
||||
|
||||
case 'G':
|
||||
params.grabKeyboard = false;
|
||||
continue;
|
||||
|
||||
case 'm':
|
||||
params.escapeKey = atoi(optarg);
|
||||
continue;
|
||||
|
||||
case 'q':
|
||||
params.disableAlerts = true;
|
||||
continue;
|
||||
|
||||
case 't':
|
||||
free(params.windowTitle);
|
||||
params.windowTitle = strdup(optarg);
|
||||
continue;
|
||||
|
||||
case 'l':
|
||||
doLicense();
|
||||
return 0;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
if (optind != argc)
|
||||
{
|
||||
fprintf(stderr, "A non option was supplied\n");
|
||||
doHelp(argv[0]);
|
||||
if (!config_load(argc, argv))
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
if (params.grabKeyboard)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user