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Diffstat (limited to 'src/mds-registry/util.c')
-rw-r--r-- | src/mds-registry/util.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/mds-registry/util.c b/src/mds-registry/util.c new file mode 100644 index 0000000..c497121 --- /dev/null +++ b/src/mds-registry/util.c @@ -0,0 +1,111 @@ +/** + * 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; +} + |