gauc 0.3.0

Couchbase Rust Adapter / CLI
Documentation 
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

#include "ioserver.h"
#include <cassert>
#include <algorithm>

using namespace LCBTest;

extern "C" {
static void
client_runfunc(void *arg)
{
    TestConnection *conn = (TestConnection *)arg;
    conn->_doRun();
}
}

void TestConnection::_doRun() { run(); }

void
TestConnection::setCommon(void *src, void **target)
{
    mutex.lock();
    assert(*target == NULL);
    *target = src;
    char dummy = 0;
    ctlfd_user->send(&dummy, 1);
    mutex.unlock();
}

void
TestConnection::sendData()
{
    f_send->startUpdate();
    do {
#ifdef _WIN32
        const char *outbuf;
#else
        void *outbuf;
#endif
        size_t n = f_send->getBuf((void**)&outbuf);
        size_t nw = datasock->send(outbuf, n);
        if (nw < 0) {
            f_send->bail();
        } else {
            f_send->setSent(nw);
        }
    } while (!f_send->shouldEnd());
    f_send->endUpdate();
    f_send = NULL;
}

void
TestConnection::recvData()
{
    f_recv->startUpdate();
    char buf[32768];

    do {
        size_t required = f_recv->getRequired();
        size_t rdsize = std::min(required, sizeof(buf));
        ssize_t nr = datasock->recv(buf, rdsize);
        if (nr < 0) {
            f_recv->bail();
        } else {
            f_recv->setReceived(buf, nr);
        }
    } while (!f_recv->shouldEnd());

    f_recv->endUpdate();
    f_recv = NULL;
}

void
TestConnection::handleClose()
{
    f_close->startUpdate();
    datasock->close();
    f_close->setDone();
    f_close->endUpdate();
    f_close = NULL;
}

void
TestConnection::run()
{
    char dummy = 0;
    mutex.lock();
    ctlfd_loop = ctlfd_lsn->acceptClient();
    initcond.signal();
    mutex.unlock();

    while (::recv(*ctlfd_loop, &dummy, 1, 0) == 1) {
        mutex.lock();
        if (f_close && f_close->getType() == CloseFuture::BEFORE_IO) {
            handleClose();
        }

        if (f_send) {
            sendData();
        }
        if (f_recv) {
            recvData();
        }

        if (f_close && f_close->getType() == CloseFuture::AFTER_IO) {
            handleClose();
        }
        mutex.unlock();
    }

    mutex.lock();
    if (f_recv) {
        f_recv->updateFailed();
        f_recv = NULL;
    }
    if (f_send) {
        f_send->updateFailed();
        f_send = NULL;
    }
    if (f_close) {
        f_close->updateFailed();
        f_close = NULL;
    }
    mutex.unlock();
}

TestConnection::TestConnection(TestServer *server, SockFD *newsock)
{
    datasock = newsock;
    datasock->loadRemoteAddr();
    ctlfd_lsn = SockFD::newListener();
    ctlfd_loop = NULL;

    f_send = NULL;
    f_recv = NULL;
    f_close = NULL;
    parent = server;

    thr = new Thread(client_runfunc, this);
    ctlfd_user = SockFD::newClient(ctlfd_lsn);
    ctlfd_user->setNodelay(true);

    mutex.lock();
    while (!ctlfd_loop) {
        initcond.wait(mutex);
    }
    mutex.unlock();
}

TestConnection::~TestConnection()
{
    ctlfd_loop->close();
    ctlfd_user->close();
    ctlfd_lsn->close();
    datasock->close();
    // We don't want to explicitly call join() here since that
    // gets called in the destructor.  This is unncessary
    // and broken on musl.
    // thr->join();
    delete thr;
    mutex.close();
    initcond.close();
    delete ctlfd_loop;
    delete ctlfd_user;
    delete ctlfd_lsn;
    delete datasock;
}