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-rw-r--r--src/mds-registry/util.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/mds-registry/util.c b/src/mds-registry/util.c
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+/**
+ * mds — A micro-display server
+ * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+ *
+ * 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 "util.h"
+
+#include "../mds-base.h"
+
+#include <libmdsserver/util.h>
+#include <libmdsserver/macros.h>
+#include <libmdsserver/client-list.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+
+
+/**
+ * Convert a client ID string into a client ID integer
+ *
+ * @param str The client ID string
+ * @return The client ID integer
+ */
+uint64_t parse_client_id(const char* str)
+{
+ char client_words[22];
+ char* client_high;
+ char* client_low;
+ uint64_t client;
+
+ strcpy(client_high = client_words, str);
+ client_low = rawmemchr(client_words, ':');
+ *client_low++ = '\0';
+ client = (uint64_t)atoll(client_high);
+ client <<= 32;
+ client |= (uint64_t)atoll(client_low);
+
+ return client;
+}
+
+
+/**
+ * Free a key from a table
+ *
+ * @param obj The key
+ */
+void reg_table_free_key(size_t obj)
+{
+ char* command = (char*)(void*)obj;
+ free(command);
+}
+
+
+/**
+ * Free a value from a table
+ *
+ * @param obj The value
+ */
+void reg_table_free_value(size_t obj)
+{
+ client_list_t* list = (client_list_t*)(void*)obj;
+ client_list_destroy(list);
+ free(list);
+}
+
+
+/**
+ * Send a full message even if interrupted
+ *
+ * @param message The message to send
+ * @param length The length of the message
+ * @return Non-zero on success
+ */
+int full_send(const char* message, size_t length)
+{
+ size_t sent;
+
+ while (length > 0)
+ {
+ sent = send_message(socket_fd, message, length);
+ if (sent > length)
+ {
+ eprint("Sent more of a message than exists in the message, aborting.");
+ return -1;
+ }
+ else if ((sent < length) && (errno != EINTR))
+ {
+ perror(*argv);
+ return -1;
+ }
+ message += sent;
+ length -= sent;
+ }
+ return 0;
+}
+