diff options
Diffstat (limited to 'src/gamma-server')
-rw-r--r-- | src/gamma-server/server.c | 279 | ||||
-rw-r--r-- | src/gamma-server/server.h | 94 |
2 files changed, 0 insertions, 373 deletions
diff --git a/src/gamma-server/server.c b/src/gamma-server/server.c deleted file mode 100644 index 2be9264..0000000 --- a/src/gamma-server/server.c +++ /dev/null @@ -1,279 +0,0 @@ -/** - * coopgammad -- Cooperative gamma server - * Copyright (C) 2016 Mattias Andrée (maandree@kth.se) - * - * 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 3 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, see <http://www.gnu.org/licenses/>. - */ -#include "server.h" -#include "../state.h" -#include "../communication.h" -#include "../crtc-server/server.h" - -#include <errno.h> -#include <string.h> - - - -#if defined(__clang__) -# pragma GCC diagnostic ignored "-Wswitch-enum" -#endif - - - -/** - * Handle a ‘Command: set-gamma’ message - * - * @param conn The index of the connection - * @param message_id The value of the ‘Message ID’ header - * @param crtc The value of the ‘CRTC’ header - * @return Zero on success (even if ignored), -1 on error, - * 1 if connection closed - */ -int handle_get_gamma_info(size_t conn, const char* restrict message_id, const char* restrict crtc) -{ - struct output* restrict output; - char* restrict buf; - char depth[3]; - const char* supported; - size_t n; - - if (crtc == NULL) return send_error("protocol error: 'CRTC' header omitted"); - - output = output_find_by_name(crtc, outputs, outputs_n); - if (output == NULL) - return send_error("selected CRTC does not exist"); - - switch (output->depth) - { - case -2: strcpy(depth, "d"); break; - case -1: strcpy(depth, "f"); break; - default: - sprintf(depth, "%i", output->depth); - break; - } - - switch (output->supported) - { - case LIBGAMMA_YES: supported = "yes"; break; - case LIBGAMMA_NO: supported = "no"; break; - default: supported = "maybe"; break; - } - - MAKE_MESSAGE(&buf, &n, 0, - "In response to: %s\n" - "Cooperative: yes\n" /* In mds: say ‘no’, mds-coopgamma changes to ‘yes’.” */ - "Depth: %s\n" - "Red size: %zu\n" - "Green size: %zu\n" - "Blue size: %zu\n" - "Gamma support: %s\n" - "\n", - message_id, depth, output->red_size, output->green_size, - output->blue_size, supported); - - return send_message(conn, buf, n); -} - - -/** - * Set the gamma ramps on an output - * - * @param output The output - * @param ramps The gamma ramps - */ -void set_gamma(const struct output* restrict output, const union gamma_ramps* restrict ramps) -{ - int r = 0; - - if (!connected) - return; - - switch (output->depth) - { - case 8: r = libgamma_crtc_set_gamma_ramps8(output->crtc, ramps->u8); break; - case 16: r = libgamma_crtc_set_gamma_ramps16(output->crtc, ramps->u16); break; - case 32: r = libgamma_crtc_set_gamma_ramps32(output->crtc, ramps->u32); break; - case 64: r = libgamma_crtc_set_gamma_ramps64(output->crtc, ramps->u64); break; - case -1: r = libgamma_crtc_set_gamma_rampsf(output->crtc, ramps->f); break; - case -2: r = libgamma_crtc_set_gamma_rampsd(output->crtc, ramps->d); break; - default: - abort(); - } - if (r) - libgamma_perror(argv0, r); /* Not fatal */ -} - - - -/** - * Store all current gamma ramps - * - * @return Zero on success, -1 on error - */ -int initialise_gamma_info(void) -{ - libgamma_crtc_information_t info; - int saved_errno; - size_t i; - - for (i = 0; i < outputs_n; i++) - { - libgamma_get_crtc_information(&info, crtcs + i, - LIBGAMMA_CRTC_INFO_EDID | - LIBGAMMA_CRTC_INFO_MACRO_RAMP | - LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT | - LIBGAMMA_CRTC_INFO_CONNECTOR_NAME); - outputs[i].depth = info.gamma_depth_error ? 0 : info.gamma_depth; - outputs[i].red_size = info.gamma_size_error ? 0 : info.red_gamma_size; - outputs[i].green_size = info.gamma_size_error ? 0 : info.green_gamma_size; - outputs[i].blue_size = info.gamma_size_error ? 0 : info.blue_gamma_size; - outputs[i].supported = info.gamma_support_error ? 0 : info.gamma_support; - if (outputs[i].depth == 0 || outputs[i].red_size == 0 || - outputs[i].green_size == 0 || outputs[i].blue_size == 0) - outputs[i].supported = 0; - outputs[i].name = get_crtc_name(&info, crtcs + i); - saved_errno = errno; - outputs[i].crtc = crtcs + i; - libgamma_crtc_information_destroy(&info); - outputs[i].ramps_size = outputs[i].red_size + outputs[i].green_size + outputs[i].blue_size; - switch (outputs[i].depth) - { - default: - outputs[i].depth = 64; - /* Fall through */ - case 8: - case 16: - case 32: - case 64: outputs[i].ramps_size *= (size_t)(outputs[i].depth / 8); break; - case -2: outputs[i].ramps_size *= sizeof(double); break; - case -1: outputs[i].ramps_size *= sizeof(float); break; - } - errno = saved_errno; - if (outputs[i].name == NULL) - return -1; - } - - return 0; -} - - -/** - * Store all current gamma ramps - */ -void store_gamma(void) -{ - int gerror; - size_t i; - -#define LOAD_RAMPS(SUFFIX, MEMBER) \ - do \ - { \ - libgamma_gamma_ramps##SUFFIX##_initialise(&(outputs[i].saved_ramps.MEMBER)); \ - gerror = libgamma_crtc_get_gamma_ramps##SUFFIX(outputs[i].crtc, &(outputs[i].saved_ramps.MEMBER)); \ - if (gerror) \ - { \ - libgamma_perror(argv0, gerror); \ - outputs[i].supported = LIBGAMMA_NO; \ - libgamma_gamma_ramps##SUFFIX##_destroy(&(outputs[i].saved_ramps.MEMBER)); \ - memset(&(outputs[i].saved_ramps.MEMBER), 0, sizeof(outputs[i].saved_ramps.MEMBER)); \ - } \ - } \ - while (0) - - for (i = 0; i < outputs_n; i++) - { - if (outputs[i].supported == LIBGAMMA_NO) - continue; - - switch (outputs[i].depth) - { - case 64: LOAD_RAMPS(64, u64); break; - case 32: LOAD_RAMPS(32, u32); break; - case 16: LOAD_RAMPS(16, u16); break; - case 8: LOAD_RAMPS( 8, u8); break; - case -2: LOAD_RAMPS(d, d); break; - case -1: LOAD_RAMPS(f, f); break; - default: /* impossible */ break; - } - } -} - - -/** - * Restore all gamma ramps - */ -void restore_gamma(void) -{ - size_t i; - int gerror; - -#define RESTORE_RAMPS(SUFFIX, MEMBER) \ - do \ - if (outputs[i].saved_ramps.MEMBER.red != NULL) \ - { \ - gerror = libgamma_crtc_set_gamma_ramps##SUFFIX(outputs[i].crtc, outputs[i].saved_ramps.MEMBER); \ - if (gerror) \ - libgamma_perror(argv0, gerror); \ - } \ - while (0) - - for (i = 0; i < outputs_n; i++) - { - if (outputs[i].supported == LIBGAMMA_NO) - continue; - - switch (outputs[i].depth) - { - case 64: RESTORE_RAMPS(64, u64); break; - case 32: RESTORE_RAMPS(32, u32); break; - case 16: RESTORE_RAMPS(16, u16); break; - case 8: RESTORE_RAMPS( 8, u8); break; - case -2: RESTORE_RAMPS(d, d); break; - case -1: RESTORE_RAMPS(f, f); break; - default: /* impossible */ break; - } - } -} - - - -/** - * Disconnect from the site - * - * @return Zero on success, -1 on error - */ -int disconnect(void) -{ - if (!connected) - return 0; - - connected = 0; - return 0; /* TODO disconnect() */ -} - - -/** - * Reconnect to the site - * - * @return Zero on success, -1 on error - */ -int reconnect(void) -{ - if (connected) - return 0; - - connected = 1; - return 0; /* TODO reconnect() */ -} - diff --git a/src/gamma-server/server.h b/src/gamma-server/server.h deleted file mode 100644 index 96f47b8..0000000 --- a/src/gamma-server/server.h +++ /dev/null @@ -1,94 +0,0 @@ -/** - * coopgammad -- Cooperative gamma server - * Copyright (C) 2016 Mattias Andrée (maandree@kth.se) - * - * 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 3 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, see <http://www.gnu.org/licenses/>. - */ -#ifndef GAMMA_SERVER_SERVER_H -#define GAMMA_SERVER_SERVER_H - - -#include "../types/output.h" - -#include <stddef.h> - - - -#ifndef GCC_ONLY -# if defined(__GNUC__) && !defined(__clang__) -# define GCC_ONLY(...) __VA_ARGS__ -# else -# define GCC_ONLY(...) /* nothing */ -# endif -#endif - - - -/** - * Handle a ‘Command: set-gamma’ message - * - * @param conn The index of the connection - * @param message_id The value of the ‘Message ID’ header - * @param crtc The value of the ‘CRTC’ header - * @return Zero on success (even if ignored), -1 on error, - * 1 if connection closed - */ -GCC_ONLY(__attribute__((nonnull(2)))) -int handle_get_gamma_info(size_t conn, const char* restrict message_id, const char* restrict crtc); - -/** - * Set the gamma ramps on an output - * - * @param output The output - * @param ramps The gamma ramps - */ -GCC_ONLY(__attribute__((nonnull))) -void set_gamma(const struct output* restrict output, const union gamma_ramps* restrict ramps); - - -/** - * Store all current gamma ramps - * - * @return Zero on success, -1 on error - */ -int initialise_gamma_info(void); - -/** - * Store all current gamma ramps - */ -void store_gamma(void); - -/** - * Restore all gamma ramps - */ -void restore_gamma(void); - - -/** - * Disconnect from the site - * - * @return Zero on success, -1 on error - */ -int disconnect(void); - -/** - * Reconnect to the site - * - * @return Zero on success, -1 on error - */ -int reconnect(void); - - -#endif - |