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-rw-r--r--src/servers/crtc.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/src/servers/crtc.c b/src/servers/crtc.c
deleted file mode 100644
index ca10940..0000000
--- a/src/servers/crtc.c
+++ /dev/null
@@ -1,325 +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 "crtc.h"
-#include "gamma.h"
-#include "coopgamma.h"
-#include "../state.h"
-#include "../communication.h"
-#include "../util.h"
-
-#include <errno.h>
-#include <string.h>
-
-
-
-/**
- * Handle a ‘Command: enumerate-crtcs’ message
- *
- * @param conn The index of the connection
- * @param message_id The value of the ‘Message ID’ header
- * @return Zero on success (even if ignored), -1 on error,
- * 1 if connection closed
- */
-int handle_enumerate_crtcs(size_t conn, const char* restrict message_id)
-{
- size_t i, n = 0, len;
- char* restrict buf;
-
- for (i = 0; i < outputs_n; i++)
- n += strlen(outputs[i].name) + 1;
-
- MAKE_MESSAGE(&buf, &n, n,
- "Command: crtc-enumeration\n"
- "In response to: %s\n"
- "Length: %zu\n"
- "\n",
- message_id, n);
-
- for (i = 0; i < outputs_n; i++)
- {
- len = strlen(outputs[i].name);
- memcpy(buf + n, outputs[i].name, len);
- buf[n + len] = '\n';
- n += len + 1;
- }
-
- return send_message(conn, buf, n);
-}
-
-
-/**
- * Get the name of a CRTC
- *
- * @param info Information about the CRTC
- * @param crtc libgamma's state for the CRTC
- * @return The name of the CRTC, `NULL` on error
- */
-char* get_crtc_name(const libgamma_crtc_information_t* restrict info,
- const libgamma_crtc_state_t* restrict crtc)
-{
- if ((info->edid_error == 0) && (info->edid != NULL))
- return libgamma_behex_edid(info->edid, info->edid_length);
- else if ((info->connector_name_error == 0) && (info->connector_name != NULL))
- {
- char* name = malloc(3 * sizeof(size_t) + strlen(info->connector_name) + 2);
- if (name != NULL)
- sprintf(name, "%zu.%s", crtc->partition->partition, info->connector_name);
- return name;
- }
- else
- {
- char* name = malloc(2 * 3 * sizeof(size_t) + 2);
- if (name != NULL)
- sprintf(name, "%zu.%zu", crtc->partition->partition, crtc->crtc);
- return name;
- }
-}
-
-
-/**
- * Initialise the site
- *
- * @return Zero on success, -1 on error
- */
-int initialise_site(void)
-{
- char* restrict sitename_dup = NULL;
- int gerror, saved_errno;
-
- if ((sitename != NULL) && !(sitename_dup = memdup(sitename, strlen(sitename) + 1)))
- goto fail;
- if ((gerror = libgamma_site_initialise(&site, method, sitename_dup)))
- goto fail_libgamma;
-
- return 0;
- fail_libgamma:
- sitename_dup = NULL;
- libgamma_perror(argv0, gerror);
- errno = 0;
- fail:
- saved_errno = errno;
- free(sitename_dup);
- errno = saved_errno;
- return -1;
-}
-
-
-/**
- * Get partitions and CRTC:s
- *
- * @return Zero on success, -1 on error
- */
-int initialise_crtcs(void)
-{
- size_t i, j, n, n0;
- int gerror;
-
- /* Get partitions */
- outputs_n = 0;
- if (site.partitions_available)
- if (!(partitions = calloc(site.partitions_available, sizeof(*partitions))))
- goto fail;
- for (i = 0; i < site.partitions_available; i++)
- {
- if ((gerror = libgamma_partition_initialise(partitions + i, &site, i)))
- goto fail_libgamma;
- outputs_n += partitions[i].crtcs_available;
- }
-
- /* Get CRTC:s */
- if (outputs_n)
- if (!(crtcs = calloc(outputs_n, sizeof(*crtcs))))
- goto fail;
- for (i = 0, j = n = 0; i < site.partitions_available; i++)
- for (n0 = n, n += partitions[i].crtcs_available; j < n; j++)
- if ((gerror = libgamma_crtc_initialise(crtcs + j, partitions + i, j - n0)))
- goto fail_libgamma;
-
- return 0;
-
- fail_libgamma:
- libgamma_perror(argv0, gerror);
- errno = 0;
- fail:
- return -1;
-}
-
-
-/**
- * Merge the new state with an old state
- *
- * @param old_outputs The old `outputs`
- * @param old_outputs_n The old `outputs_n`
- * @return Zero on success, -1 on error
- */
-int merge_state(struct output* restrict old_outputs, size_t old_outputs_n)
-{
- struct output* restrict new_outputs = NULL;
- size_t new_outputs_n;
- size_t i, j;
-
- /* How many outputs does the system now have? */
- i = j = new_outputs_n = 0;
- while ((i < old_outputs_n) && (j < outputs_n))
- {
- int cmp = strcmp(old_outputs[i].name, outputs[j].name);
- if (cmp <= 0)
- new_outputs_n++;
- i += cmp >= 0;
- j += cmp <= 0;
- }
- new_outputs_n += outputs_n - j;
-
- /* Allocate output state array */
- if (new_outputs_n > 0)
- {
- new_outputs = calloc(new_outputs_n, sizeof(*new_outputs));
- if (new_outputs == NULL)
- return -1;
- }
-
- /* Merge output states */
- i = j = new_outputs_n = 0;
- while ((i < old_outputs_n) && (j < outputs_n))
- {
- int is_same = 0, cmp = strcmp(old_outputs[i].name, outputs[j].name);
- if (cmp == 0)
- is_same = (old_outputs[i].depth == outputs[j].depth &&
- old_outputs[i].red_size == outputs[j].red_size &&
- old_outputs[i].green_size == outputs[j].green_size &&
- old_outputs[i].blue_size == outputs[j].blue_size);
- if (is_same)
- {
- new_outputs[new_outputs_n] = old_outputs[i];
- new_outputs[new_outputs_n].crtc = outputs[j].crtc;
- memset(old_outputs + i, 0, sizeof(*old_outputs));
- outputs[j].crtc = NULL;
- output_destroy(outputs + j);
- new_outputs_n++;
- }
- else if (cmp <= 0)
- new_outputs[new_outputs_n++] = outputs[j];
- i += cmp >= 0;
- j += cmp <= 0;
- }
- while (j < outputs_n)
- new_outputs[new_outputs_n++] = outputs[j++];
-
- /* Commit merge */
- free(outputs);
- outputs = new_outputs;
- outputs_n = new_outputs_n;
-
- return 0;
-}
-
-
-
-/**
- * Disconnect from the site
- *
- * @return Zero on success, -1 on error
- */
-int disconnect(void)
-{
- size_t i;
-
- if (!connected)
- return 0;
- connected = 0;
-
- for (i = 0; i < outputs_n; i++)
- {
- outputs[i].crtc = NULL;
- libgamma_crtc_destroy(crtcs + i);
- }
- free(crtcs), crtcs = NULL;
- for (i = 0; i < site.partitions_available; i++)
- libgamma_partition_destroy(partitions + i);
- free(partitions), partitions = NULL;
- libgamma_site_destroy(&site);
- memset(&site, 0, sizeof(site));
-
- return 0;
-}
-
-
-/**
- * Reconnect to the site
- *
- * @return Zero on success, -1 on error
- */
-int reconnect(void)
-{
- struct output* restrict old_outputs;
- size_t i, old_outputs_n;
- int saved_errno;
-
- if (connected)
- return 0;
- connected = 1;
-
- /* Remember old state */
- old_outputs = outputs, outputs = NULL;
- old_outputs_n = outputs_n, outputs_n = 0;
-
- /* Get site */
- if (initialise_site() < 0)
- goto fail;
-
- /* Get partitions and CRTC:s */
- if (initialise_crtcs() < 0)
- goto fail;
-
- /* Get CRTC information */
- if (outputs_n && !(outputs = calloc(outputs_n, sizeof(*outputs))))
- goto fail;
- if (initialise_gamma_info() < 0)
- goto fail;
-
- /* Sort outputs */
- qsort(outputs, outputs_n, sizeof(*outputs), output_cmp_by_name);
-
- /* Load current gamma ramps */
- store_gamma();
-
- /* Preserve current gamma ramps at priority=0 if -p */
- if (preserve && (preserve_gamma() < 0))
- goto fail;
-
- /* Merge state */
- if (merge_state(old_outputs, old_outputs_n) < 0)
- goto fail;
- for (i = 0; i < old_outputs_n; i++)
- output_destroy(old_outputs + i);
- free(old_outputs), old_outputs = NULL, old_outputs_n = 0;
-
- /* Reapply gamma ramps */
- reapply_gamma();
-
- return 0;
-
- fail:
- saved_errno = errno;
- for (i = 0; i < old_outputs_n; i++)
- output_destroy(old_outputs + i);
- free(old_outputs);
- errno = saved_errno;
- return -1;
-}
-
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