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Diffstat (limited to '')
-rw-r--r-- | src/server.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/server.h b/src/server.h new file mode 100644 index 0000000..fa5552d --- /dev/null +++ b/src/server.h @@ -0,0 +1,90 @@ +/** + * gammad -- Cooperative gamma server + * Copyright (C) 2016 Mattias Andrée (maandree@kth.se) + * + * This library 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 library 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 library. If not, see <http://www.gnu.org/licenses/>. + */ +#include "message.h" + +#include <stddef.h> + + + +/** + * List of all client's file descriptors + * + * Unused slots, with index less than `connections_used`, + * should have the value -1 (negative) + */ +extern int* connections; + +/** + * The number of elements allocated for `connections` + */ +extern size_t connections_alloc; + +/** + * The index of the first unused slot in `connections` + */ +extern size_t connections_ptr; + +/** + * The index of the last used slot in `connections`, plus 1 + */ +extern size_t connections_used; + +/** + * The server connection's message buffer + */ +extern struct message server_message; + +/** + * The clients' connections' message buffers + */ +extern struct message* client_messages; + + + +/** + * Initialise the state of the connections + * + * @param Zero on success, -1 on error + */ +int server_initialise(void); + +/** + * Destroy the state of the connections + * + * @param disconnect Disconnect all connections? + */ +void server_destroy(int disconnect); + +/** + * Marshal the state of the connections + * + * @param buf Output buffer for the marshalled data, + * `NULL` to only measure how many bytes + * this buffer needs + * @return The number of marshalled bytes + */ +size_t server_marshal(void* buf); + +/** + * Unmarshal the state of the connections + * + * @param buf Buffer for the marshalled data + * @return The number of unmarshalled bytes, 0 on error + */ +size_t server_unmarshal(const void* buf); + |