1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _SOCKET_H
#define _SOCKET_H
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/x509v3.h>
#ifdef HAVE_OPENSSL_DH_H
#include <openssl/dh.h>
#endif
#ifdef HAVE_OPENSSL_ECDH_H
#include <openssl/ecdh.h>
#endif
#include "event.h"
#include "rpc-transport.h"
#include "logging.h"
#include "dict.h"
#include "mem-pool.h"
#include "globals.h"
#include "refcount.h"
#ifndef MAX_IOVEC
#define MAX_IOVEC 16
#endif /* MAX_IOVEC */
#define GF_DEFAULT_SOCKET_LISTEN_PORT GF_DEFAULT_BASE_PORT
#define RPC_MAX_FRAGMENT_SIZE 0x7fffffff
/* The default window size will be 0, indicating not to set
* it to any size. Default size of Linux is found to be
* performance friendly.
* Linux allows us to over-ride the max values for the system.
* Should we over-ride them? Because if we set a value larger than the default
* setsockopt will fail. Having larger values might be beneficial for
* IB links.
*/
#define GF_DEFAULT_SOCKET_WINDOW_SIZE (0)
#define GF_MAX_SOCKET_WINDOW_SIZE (1 * GF_UNIT_MB)
#define GF_MIN_SOCKET_WINDOW_SIZE (0)
#define GF_USE_DEFAULT_KEEPALIVE (-1)
#define GF_KEEPALIVE_TIME (20)
#define GF_KEEPALIVE_INTERVAL (2)
#define GF_KEEPALIVE_COUNT (9)
typedef enum {
SP_STATE_NADA = 0,
SP_STATE_COMPLETE,
SP_STATE_READING_FRAGHDR,
SP_STATE_READ_FRAGHDR,
SP_STATE_READING_FRAG,
} sp_rpcrecord_state_t;
typedef enum {
SP_STATE_RPCFRAG_INIT,
SP_STATE_READING_MSGTYPE,
SP_STATE_READ_MSGTYPE,
SP_STATE_NOTIFYING_XID
} sp_rpcfrag_state_t;
typedef enum {
SP_STATE_SIMPLE_MSG_INIT,
SP_STATE_READING_SIMPLE_MSG,
} sp_rpcfrag_simple_msg_state_t;
typedef enum {
SP_STATE_VECTORED_REQUEST_INIT,
SP_STATE_READING_CREDBYTES,
SP_STATE_READ_CREDBYTES, /* read credential data. */
SP_STATE_READING_VERFBYTES,
SP_STATE_READ_VERFBYTES, /* read verifier data */
SP_STATE_READING_PROGHDR,
SP_STATE_READ_PROGHDR,
SP_STATE_READING_PROGHDR_XDATA,
SP_STATE_READ_PROGHDR_XDATA, /* It's a bad "name" in the generic
RPC state machine, but greatly
aids code review (and xdata is
the only "consumer" of this state)
*/
SP_STATE_READING_PROG,
} sp_rpcfrag_vectored_request_state_t;
typedef enum {
SP_STATE_REQUEST_HEADER_INIT,
SP_STATE_READING_RPCHDR1,
SP_STATE_READ_RPCHDR1, /* read msg from beginning till and
* including credlen
*/
} sp_rpcfrag_request_header_state_t;
struct ioq {
union {
struct list_head list;
struct {
struct ioq *next;
struct ioq *prev;
};
};
uint32_t fraghdr;
struct iovec vector[MAX_IOVEC];
int count;
struct iovec *pending_vector;
int pending_count;
struct iobref *iobref;
};
typedef struct {
sp_rpcfrag_request_header_state_t header_state;
sp_rpcfrag_vectored_request_state_t vector_state;
int vector_sizer_state;
} sp_rpcfrag_request_state_t;
typedef enum {
SP_STATE_VECTORED_REPLY_STATUS_INIT,
SP_STATE_READING_REPLY_STATUS,
SP_STATE_READ_REPLY_STATUS,
} sp_rpcfrag_vectored_reply_status_state_t;
typedef enum {
SP_STATE_ACCEPTED_SUCCESS_REPLY_INIT,
SP_STATE_READING_PROC_HEADER,
SP_STATE_READING_PROC_OPAQUE,
SP_STATE_READ_PROC_OPAQUE,
SP_STATE_READ_PROC_HEADER,
} sp_rpcfrag_vectored_reply_accepted_success_state_t;
typedef enum {
SP_STATE_ACCEPTED_REPLY_INIT,
SP_STATE_READING_REPLY_VERFLEN,
SP_STATE_READ_REPLY_VERFLEN,
SP_STATE_READING_REPLY_VERFBYTES,
SP_STATE_READ_REPLY_VERFBYTES,
} sp_rpcfrag_vectored_reply_accepted_state_t;
typedef struct {
uint32_t accept_status;
sp_rpcfrag_vectored_reply_status_state_t status_state;
sp_rpcfrag_vectored_reply_accepted_state_t accepted_state;
sp_rpcfrag_vectored_reply_accepted_success_state_t accepted_success_state;
} sp_rpcfrag_vectored_reply_state_t;
struct gf_sock_incoming_frag {
char *fragcurrent;
uint32_t bytes_read;
uint32_t remaining_size;
struct iovec vector;
struct iovec *pending_vector;
union {
sp_rpcfrag_request_state_t request;
sp_rpcfrag_vectored_reply_state_t reply;
} call_body;
sp_rpcfrag_simple_msg_state_t simple_state;
sp_rpcfrag_state_t state;
};
#define GF_SOCKET_RA_MAX 1024
struct gf_sock_incoming {
sp_rpcrecord_state_t record_state;
struct gf_sock_incoming_frag frag;
char *proghdr_base_addr;
struct iobuf *iobuf;
size_t iobuf_size;
struct iovec vector[2];
int count;
struct iovec payload_vector;
struct iobref *iobref;
rpc_request_info_t *request_info;
struct iovec *pending_vector;
int pending_count;
uint32_t fraghdr;
char complete_record;
msg_type_t msg_type;
size_t total_bytes_read;
size_t ra_read;
size_t ra_max;
size_t ra_served;
char *ra_buf;
};
typedef enum {
OT_IDLE, /* Uninitialized or termination complete. */
OT_SPAWNING, /* Past pthread_create but not in thread yet. */
OT_RUNNING, /* Poller thread running normally. */
OT_CALLBACK, /* Poller thread in the middle of a callback. */
OT_PLEASE_DIE, /* Poller termination requested. */
} ot_state_t;
typedef struct {
int32_t sock;
int32_t idx;
int32_t gen;
/* -1 = not connected. 0 = in progress. 1 = connected */
char connected;
/* 1 = connect failed for reasons other than EINPROGRESS/ENOENT
see socket_connect for details */
char connect_failed;
char bio;
char connect_finish_log;
char submit_log;
union {
struct list_head ioq;
struct {
struct ioq *ioq_next;
struct ioq *ioq_prev;
};
};
struct gf_sock_incoming incoming;
pthread_mutex_t in_lock;
pthread_mutex_t out_lock;
pthread_mutex_t cond_lock;
pthread_cond_t cond;
int windowsize;
char lowlat;
char nodelay;
int keepalive;
int keepaliveidle;
int keepaliveintvl;
int keepalivecnt;
int timeout;
uint32_t backlog;
gf_boolean_t read_fail_log;
gf_boolean_t ssl_enabled; /* outbound I/O */
gf_boolean_t mgmt_ssl; /* outbound mgmt */
mgmt_ssl_t srvr_ssl;
gf_boolean_t use_ssl;
SSL_METHOD *ssl_meth;
SSL_CTX *ssl_ctx;
int ssl_session_id;
BIO *ssl_sbio;
SSL *ssl_ssl;
char *ssl_own_cert;
char *ssl_private_key;
char *ssl_ca_list;
pthread_t thread;
int pipe[2];
gf_boolean_t own_thread;
gf_boolean_t own_thread_done;
ot_state_t ot_state;
uint32_t ot_gen;
gf_boolean_t is_server;
int log_ctr;
GF_REF_DECL; /* refcount to keep track of socket_poller
threads */
struct {
pthread_mutex_t lock;
pthread_cond_t cond;
uint64_t in_progress;
} notify;
} socket_private_t;
#endif
|
