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
|
#include "core.h"
#include "tm.h"
int ecp_timer_create(ECPTimer *timer) {
int rv;
timer->head = -1;
#ifdef ECP_WITH_PTHREAD
rv = pthread_mutex_init(&timer->mutex, NULL);
if (rv) return ECP_ERR;
#endif
return ECP_OK;
}
void ecp_timer_destroy(ECPTimer *timer) {
#ifdef ECP_WITH_PTHREAD
pthread_mutex_destroy(&timer->mutex);
#endif
}
int ecp_timer_item_init(ECPTimerItem *ti, ECPConnection *conn, unsigned char mtype, short cnt, ecp_cts_t timeout) {
if ((mtype & ECP_MTYPE_MASK) >= ECP_MAX_MTYPE) return ECP_ERR_MAX_MTYPE;
if (ti == NULL) return ECP_ERR;
if (conn == NULL) return ECP_ERR;
ti->conn = conn;
ti->mtype = mtype;
ti->cnt = cnt-1;
ti->timeout = timeout;
ti->abstime = 0;
ti->retry = NULL;
return ECP_OK;
}
int ecp_timer_push(ECPTimerItem *ti) {
int i, is_reg, rv = ECP_OK;
ECPConnection *conn = ti->conn;
ECPTimer *timer = &conn->sock->timer;
ti->abstime = ecp_tm_abstime_ms(ti->timeout);
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
pthread_mutex_lock(&conn->mutex);
#endif
is_reg = ecp_conn_is_reg(conn);
if (is_reg) conn->refcount++;
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&conn->mutex);
#endif
if (timer->head == ECP_MAX_TIMER-1) rv = ECP_ERR_MAX_TIMER;
if (!rv && !is_reg) rv = ECP_ERR_CLOSED;
if (!rv) {
for (i=timer->head; i>=0; i--) {
if (ECP_CTS_LTE(ti->abstime, timer->item[i].abstime)) {
if (i != timer->head) memmove(timer->item+i+2, timer->item+i+1, sizeof(ECPTimerItem) * (timer->head-i));
timer->item[i+1] = *ti;
timer->head++;
break;
}
}
if (i == -1) {
if (timer->head != -1) memmove(timer->item+1, timer->item, sizeof(ECPTimerItem) * (timer->head+1));
timer->item[0] = *ti;
timer->head++;
}
ecp_tm_timer_set(ti->timeout);
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
return rv;
}
void ecp_timer_pop(ECPConnection *conn, unsigned char mtype) {
int i;
ECPTimer *timer = &conn->sock->timer;
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
#endif
for (i=timer->head; i>=0; i--) {
ECPConnection *curr_conn = timer->item[i].conn;
if ((conn == curr_conn) && (mtype == timer->item[i].mtype)) {
if (i != timer->head) {
memmove(timer->item+i, timer->item+i+1, sizeof(ECPTimerItem) * (timer->head-i));
memset(timer->item+timer->head, 0, sizeof(ECPTimerItem));
} else {
memset(timer->item+i, 0, sizeof(ECPTimerItem));
}
ecp_conn_refcount_dec(conn);
timer->head--;
break;
}
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
}
void ecp_timer_remove(ECPConnection *conn) {
int i;
ECPTimer *timer = &conn->sock->timer;
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
#endif
for (i=timer->head; i>=0; i--) {
ECPConnection *curr_conn = timer->item[i].conn;
if (conn == curr_conn) {
if (i != timer->head) {
memmove(timer->item+i, timer->item+i+1, sizeof(ECPTimerItem) * (timer->head-i));
memset(timer->item+timer->head, 0, sizeof(ECPTimerItem));
} else {
memset(timer->item+i, 0, sizeof(ECPTimerItem));
}
ecp_conn_refcount_dec(conn);
timer->head--;
}
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
}
ecp_cts_t ecp_timer_exe(ECPSocket *sock) {
int i;
ecp_cts_t ret = 0;
ECPTimer *timer = &sock->timer;
ECPTimerItem to_exec[ECP_MAX_TIMER];
int to_exec_size = 0;
ecp_cts_t now = ecp_tm_abstime_ms(0);
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
#endif
for (i=timer->head; i>=0; i--) {
ecp_cts_t abstime = timer->item[i].abstime;
if (ECP_CTS_LT(now, abstime)) {
ret = abstime - now;
break;
}
to_exec[to_exec_size] = timer->item[i];
to_exec_size++;
}
if (i != timer->head) {
memset(timer->item+i+1, 0, sizeof(ECPTimerItem) * (timer->head-i));
timer->head = i;
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
for (i=to_exec_size-1; i>=0; i--) {
ECPConnection *conn = to_exec[i].conn;
unsigned char mtype = to_exec[i].mtype;
ecp_timer_retry_t retry = to_exec[i].retry;
ecp_conn_msg_handler_t handler = ecp_conn_get_msg_handler(conn, mtype & ECP_MTYPE_MASK);
int rv = ECP_OK;
if (to_exec[i].cnt > 0) {
to_exec[i].cnt--;
if (retry) {
ssize_t _rv;
_rv = retry(conn, to_exec+i);
if (_rv < 0) rv = _rv;
}
if (rv && (rv != ECP_ERR_CLOSED) && handler) handler(conn, 0, mtype, NULL, rv, NULL);
} else if (handler) {
handler(conn, 0, mtype, NULL, ECP_ERR_TIMEOUT, NULL);
}
ecp_conn_refcount_dec(conn);
}
return ret;
}
ssize_t ecp_timer_send(ECPConnection *conn, ecp_timer_retry_t send_f, unsigned char mtype, short cnt, ecp_cts_t timeout) {
ECPTimerItem ti;
int rv;
rv = ecp_timer_item_init(&ti, conn, mtype, cnt, timeout);
if (rv) return rv;
ti.retry = send_f;
return send_f(conn, &ti);
}
|
