| 1 |
gbeauche |
1.1 |
/* |
| 2 |
|
|
* rpc.h - Remote Procedure Calls |
| 3 |
|
|
* |
| 4 |
gbeauche |
1.3 |
* Basilisk II (C) 1997-2008 Christian Bauer |
| 5 |
gbeauche |
1.1 |
* Contributed by Gwenole Beauchesne |
| 6 |
|
|
* |
| 7 |
|
|
* This program is free software; you can redistribute it and/or modify |
| 8 |
|
|
* it under the terms of the GNU General Public License as published by |
| 9 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
|
|
* (at your option) any later version. |
| 11 |
|
|
* |
| 12 |
|
|
* This program is distributed in the hope that it will be useful, |
| 13 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
|
|
* GNU General Public License for more details. |
| 16 |
|
|
* |
| 17 |
|
|
* You should have received a copy of the GNU General Public License |
| 18 |
|
|
* along with this program; if not, write to the Free Software |
| 19 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 |
|
|
*/ |
| 21 |
|
|
|
| 22 |
|
|
#ifndef RPC_H |
| 23 |
|
|
#define RPC_H |
| 24 |
|
|
|
| 25 |
|
|
// Error Types |
| 26 |
|
|
enum { |
| 27 |
|
|
RPC_ERROR_NO_ERROR = 0, |
| 28 |
|
|
RPC_ERROR_GENERIC = -1000, |
| 29 |
|
|
RPC_ERROR_ERRNO_SET = -1001, |
| 30 |
|
|
RPC_ERROR_NO_MEMORY = -1002, |
| 31 |
|
|
RPC_ERROR_CONNECTION_NULL = -1003, |
| 32 |
|
|
RPC_ERROR_CONNECTION_TYPE_MISMATCH = -1004, |
| 33 |
|
|
RPC_ERROR_MESSAGE_TRUNCATED = -1005, |
| 34 |
|
|
RPC_ERROR_MESSAGE_ARGUMENT_MISMATCH = -1006, |
| 35 |
|
|
RPC_ERROR_MESSAGE_ARGUMENT_UNKNOWN = -1007, |
| 36 |
|
|
}; |
| 37 |
|
|
|
| 38 |
|
|
// Connection Handling |
| 39 |
|
|
typedef struct rpc_connection_t rpc_connection_t; |
| 40 |
|
|
extern rpc_connection_t *rpc_init_server(const char *ident); |
| 41 |
|
|
extern rpc_connection_t *rpc_init_client(const char *ident); |
| 42 |
|
|
extern int rpc_exit(rpc_connection_t *connection); |
| 43 |
|
|
extern int rpc_listen_socket(rpc_connection_t *connection); |
| 44 |
|
|
extern int rpc_listen(rpc_connection_t *connection); |
| 45 |
|
|
extern int rpc_dispatch(rpc_connection_t *connection); |
| 46 |
gbeauche |
1.2 |
extern int rpc_wait_dispatch(rpc_connection_t *connection, int timeout); |
| 47 |
gbeauche |
1.1 |
extern int rpc_connection_busy(rpc_connection_t *connection); |
| 48 |
|
|
|
| 49 |
|
|
// Message Passing |
| 50 |
|
|
enum { |
| 51 |
|
|
RPC_TYPE_INVALID = 0, |
| 52 |
|
|
RPC_TYPE_CHAR = -2000, |
| 53 |
|
|
RPC_TYPE_BOOLEAN = -2001, |
| 54 |
|
|
RPC_TYPE_INT32 = -2002, |
| 55 |
|
|
RPC_TYPE_UINT32 = -2003, |
| 56 |
|
|
RPC_TYPE_STRING = -2004, |
| 57 |
|
|
RPC_TYPE_ARRAY = -2005, |
| 58 |
|
|
}; |
| 59 |
|
|
typedef struct rpc_message_t rpc_message_t; |
| 60 |
|
|
extern int rpc_message_send_char(rpc_message_t *message, char c); |
| 61 |
|
|
extern int rpc_message_send_int32(rpc_message_t *message, int32_t value); |
| 62 |
|
|
extern int rpc_message_send_uint32(rpc_message_t *message, uint32_t value); |
| 63 |
|
|
extern int rpc_message_send_string(rpc_message_t *message, const char *str); |
| 64 |
|
|
extern int rpc_message_send_bytes(rpc_message_t *message, unsigned char *bytes, int count); |
| 65 |
|
|
extern int rpc_message_recv_char(rpc_message_t *message, char *ret); |
| 66 |
|
|
extern int rpc_message_recv_int32(rpc_message_t *message, int32_t *ret); |
| 67 |
|
|
extern int rpc_message_recv_uint32(rpc_message_t *message, uint32_t *ret); |
| 68 |
|
|
extern int rpc_message_recv_string(rpc_message_t *message, char **ret); |
| 69 |
|
|
extern int rpc_message_recv_bytes(rpc_message_t *message, unsigned char *bytes, int count); |
| 70 |
|
|
typedef int (*rpc_message_callback_t)(rpc_message_t *message, void *p_value); |
| 71 |
|
|
typedef struct { |
| 72 |
|
|
int id; |
| 73 |
|
|
int size; |
| 74 |
|
|
rpc_message_callback_t send_callback; |
| 75 |
|
|
rpc_message_callback_t recv_callback; |
| 76 |
|
|
} rpc_message_descriptor_t; |
| 77 |
|
|
extern int rpc_message_add_callbacks(const rpc_message_descriptor_t *descs, int n_descs); |
| 78 |
|
|
|
| 79 |
|
|
// Method Callbacks Handling |
| 80 |
|
|
typedef int (*rpc_method_callback_t)(rpc_connection_t *connection); |
| 81 |
|
|
typedef struct { |
| 82 |
|
|
int id; |
| 83 |
|
|
rpc_method_callback_t callback; |
| 84 |
|
|
} rpc_method_descriptor_t; |
| 85 |
|
|
extern int rpc_method_add_callbacks(rpc_connection_t *connection, const rpc_method_descriptor_t *descs, int n_descs); |
| 86 |
|
|
extern int rpc_method_remove_callback_id(rpc_connection_t *connection, int id); |
| 87 |
|
|
extern int rpc_method_remove_callbacks(rpc_connection_t *connection, const rpc_method_descriptor_t *descs, int n_descs); |
| 88 |
|
|
|
| 89 |
|
|
// Remote Procedure Call (method invocation) |
| 90 |
|
|
extern int rpc_method_invoke(rpc_connection_t *connection, int method, ...); |
| 91 |
|
|
extern int rpc_method_wait_for_reply(rpc_connection_t *connection, ...); |
| 92 |
|
|
extern int rpc_method_get_args(rpc_connection_t *connection, ...); |
| 93 |
|
|
extern int rpc_method_send_reply(rpc_connection_t *connection, ...); |
| 94 |
|
|
|
| 95 |
|
|
// Message Protocol |
| 96 |
|
|
enum { |
| 97 |
|
|
RPC_METHOD_ERROR_ALERT = 1, |
| 98 |
|
|
RPC_METHOD_WARNING_ALERT, |
| 99 |
|
|
RPC_METHOD_EXIT |
| 100 |
|
|
}; |
| 101 |
|
|
|
| 102 |
|
|
#endif /* RPC_H */ |
