本文整理汇总了C++中socketPtr函数的典型用法代码示例。如果您正苦于以下问题:C++ socketPtr函数的具体用法?C++ socketPtr怎么用?C++ socketPtr使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了socketPtr函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: socketRegisterInterest
PUBLIC void socketRegisterInterest(int sid, int handlerMask)
{
WebsSocket *sp;
assert(socketPtr(sid));
sp = socketPtr(sid);
sp->handlerMask = handlerMask;
if (sp->flags & SOCKET_BUFFERED_READ) {
sp->handlerMask |= SOCKET_READABLE;
}
if (sp->flags & SOCKET_BUFFERED_WRITE) {
sp->handlerMask |= SOCKET_WRITABLE;
}
}
示例2: socketWrite
/*
Write to a socket. Absorb as much data as the socket can buffer. Block if the socket is in blocking mode. Returns -1
on error, otherwise the number of bytes written.
*/
PUBLIC ssize socketWrite(int sid, void *buf, ssize bufsize)
{
WebsSocket *sp;
ssize len, written, sofar;
int errCode;
if (buf == 0 || (sp = socketPtr(sid)) == NULL) {
return -1;
}
if (sp->flags & SOCKET_EOF) {
return -1;
}
len = bufsize;
sofar = 0;
while (len > 0) {
if ((written = send(sp->sock, (char*) buf + sofar, (int) len, 0)) < 0) {
errCode = socketGetError();
if (errCode == EINTR) {
continue;
} else if (errCode == EWOULDBLOCK || errCode == EAGAIN) {
if (sofar) {
/*
If some data was written, we mask the EAGAIN for this time. Caller should recall and then
will get a negative return code with EAGAIN.
*/
return sofar;
}
}
return -errCode;
}
len -= written;
sofar += written;
}
return sofar;
}
示例3: behavior
/*
Set the TCP delay behavior (nagle algorithm)
*/
PUBLIC int socketSetNoDelay(int sid, bool on)
{
WebsSocket *sp;
int oldDelay;
if ((sp = socketPtr(sid)) == NULL) {
assert(0);
return 0;
}
oldDelay = sp->flags & SOCKET_NODELAY;
if (on) {
sp->flags |= SOCKET_NODELAY;
} else {
sp->flags &= ~(SOCKET_NODELAY);
}
#if ME_WIN_LIKE
{
BOOL noDelay;
noDelay = on ? 1 : 0;
setsockopt(sp->sock, IPPROTO_TCP, TCP_NODELAY, (FAR char*) &noDelay, sizeof(BOOL));
}
#else
{
int noDelay;
noDelay = on ? 1 : 0;
setsockopt(sp->sock, IPPROTO_TCP, TCP_NODELAY, (char*) &noDelay, sizeof(int));
}
#endif /* ME_WIN_LIKE */
return oldDelay;
}
示例4: socketWrite
/*
Write to a socket. Absorb as much data as the socket can buffer. Block if the socket is in blocking mode. Returns -1
on error, otherwise the number of bytes written.
*/
PUBLIC ssize socketWrite(int sid, void *buf, ssize bufsize)
{
WebsSocket *sp;
ssize len, written, sofar;
int errCode;
if (buf == 0 || (sp = socketPtr(sid)) == NULL) {
return -1;
}
if (sp->flags & SOCKET_EOF) {
return -1;
}
len = bufsize;
sofar = 0;
while (len > 0) {
if ((written = send(sp->sock, (char*) buf + sofar, (int) len, 0)) < 0) {
errCode = socketGetError();
if (errCode == EINTR) {
continue;
} else if (errCode == EWOULDBLOCK || errCode == EAGAIN) {
return sofar;
}
return -errCode;
}
len -= written;
sofar += written;
}
return sofar;
}
示例5: socketSetBufferSize
void socketSetBufferSize(int sid, int in, int line, int out)
{
socket_t *sp;
if ((sp = socketPtr(sid)) == NULL) {
return;
}
if (in >= 0) {
ringqClose(&sp->inBuf);
in++;
ringqOpen(&sp->inBuf, in, in);
}
if (line >= 0) {
ringqClose(&sp->lineBuf);
line++;
ringqOpen(&sp->lineBuf, line, line);
}
if (out >= 0) {
ringqClose(&sp->outBuf);
out++;
ringqOpen(&sp->outBuf, out, out);
}
}
示例6: socketEof
/*
Read from a socket. Return the number of bytes read if successful. This may be less than the requested "bufsize" and
may be zero. This routine may block if the socket is in blocking mode.
Return -1 for errors or EOF. Distinguish between error and EOF via socketEof().
*/
PUBLIC ssize socketRead(int sid, void *buf, ssize bufsize)
{
WebsSocket *sp;
ssize bytes;
int errCode;
assert(buf);
assert(bufsize > 0);
if ((sp = socketPtr(sid)) == NULL) {
return -1;
}
if (sp->flags & SOCKET_EOF) {
return -1;
}
if ((bytes = recv(sp->sock, buf, (int) bufsize, 0)) < 0) {
errCode = socketGetError();
if (errCode == EAGAIN || errCode == EWOULDBLOCK) {
bytes = 0;
} else {
/* Conn reset or Some other error */
sp->flags |= SOCKET_EOF;
bytes = -errCode;
}
} else if (bytes == 0) {
sp->flags |= SOCKET_EOF;
bytes = -1;
}
return bytes;
}
示例7: socketGetInput
int socketGetInput(int sid, char *buf, int toRead, int *errCode)
{
struct sockaddr_in server;
socket_t *sp;
int len, bytesRead;
a_assert(buf);
a_assert(errCode);
*errCode = 0;
if ((sp = socketPtr(sid)) == NULL) {
return -1;
}
/*
* If we have previously seen an EOF condition, then just return
*/
if (sp->flags & SOCKET_EOF) {
return 0;
}
#if ((defined (WIN) || defined (CE)) && (!defined (LITTLEFOOT) && !defined (WEBS)))
if ( !(sp->flags & SOCKET_BLOCK)
&& ! socketWaitForEvent(sp, FD_CONNECT, errCode)) {
return -1;
}
#endif
/*
* Read the data
*/
if (sp->flags & SOCKET_DATAGRAM) {
len = sizeof(server);
bytesRead = recvfrom(sp->sock, buf, toRead, 0,
(struct sockaddr *) &server, &len);
} else {
bytesRead = recv(sp->sock, buf, toRead, 0);
}
/*
* BUG 01865 -- CPU utilization hangs on Windows. The original code used
* the 'errno' global variable, which is not set by the winsock functions
* as it is under *nix platforms. We use the platform independent
* socketGetError() function instead, which does handle Windows correctly.
* Other, *nix compatible platforms should work as well, since on those
* platforms, socketGetError() just returns the value of errno.
* Thanks to Jonathan Burgoyne for the fix.
*/
if (bytesRead < 0)
{
*errCode = socketGetError();
if (*errCode == ECONNRESET)
{
sp->flags |= SOCKET_CONNRESET;
return 0;
}
return -1;
}
return bytesRead;
}
示例8: sslRead
/*
Return the number of bytes read. Return -1 on errors and EOF.
*/
PUBLIC ssize sslRead(Webs *wp, void *buf, ssize len)
{
Nano *np;
WebsSocket *sp;
sbyte4 nbytes, count;
int rc;
np = (Nano*) wp->ssl;
assert(np);
if (!np->connected && (rc = nanoHandshake(wp)) <= 0) {
return rc;
}
while (1) {
/*
This will do the actual blocking I/O
*/
rc = SSL_recv(np->handle, buf, (sbyte4) len, &nbytes, 0);
logmsg(5, "NanoSSL: ssl_read %d", rc);
if (rc < 0) {
if (rc != ERR_TCP_READ_ERROR) {
sp = socketPtr(wp->sid);
sp->flags |= SOCKET_EOF;
}
return -1;
}
break;
}
SSL_recvPending(np->handle, &count);
if (count > 0) {
socketReservice(wp->wid);
}
return nbytes;
}
示例9: sslFree
PUBLIC void sslFree(Webs *wp)
{
Ms *ms;
WebsSocket *sp;
uchar *buf;
int len;
ms = wp->ssl;
if (ms) {
assert(wp->sid >= 0);
if ((sp = socketPtr(wp->sid)) == 0) {
return;
}
if (!(sp->flags & SOCKET_EOF)) {
/*
Flush data. Append a closure alert to any buffered output data, and try to send it.
Don't bother retrying or blocking, we're just closing anyway.
*/
matrixSslEncodeClosureAlert(ms->handle);
if ((len = matrixSslGetOutdata(ms->handle, &buf)) > 0) {
sslWrite(wp, buf, len);
}
}
if (ms->handle) {
matrixSslDeleteSession(ms->handle);
}
wfree(ms);
wp->ssl = 0;
}
}
示例10: innerRead
/*
Return number of bytes read. Return -1 on errors and EOF.
*/
static ssize innerRead(Webs *wp, char *buf, ssize size)
{
Ms *ms;
uchar *mbuf;
ssize nbytes;
int msize, readMore;
ms = (Ms*) wp->ssl;
do {
if ((msize = matrixSslGetReadbuf(ms->handle, &mbuf)) < 0) {
return -1;
}
readMore = 0;
if ((nbytes = socketRead(wp->sid, mbuf, msize)) < 0) {
return nbytes;
} else if (nbytes > 0) {
nbytes = processIncoming(wp, buf, size, nbytes, &readMore);
if (nbytes < 0) {
sp = socketPtr(wp->sid);
sp->flags |= SOCKET_EOF;
return nbytes;
}
if (nbytes > 0) {
return nbytes;
}
}
} while (readMore);
return 0;
}
示例11: socketGets
int socketGets(int sid, char_t **buf)
{
socket_t *sp;
ringq_t *lq;
char c;
int rc, len;
a_assert(buf);
*buf = NULL;
if ((sp = socketPtr(sid)) == NULL) {
return -1;
}
lq = &sp->lineBuf;
while (1) {
if ((rc = socketRead(sid, &c, 1)) < 0) {
return rc;
}
if (rc == 0) {
/*
* If there is a partial line and we are at EOF, pretend we saw a '\n'
*/
if (ringqLen(lq) > 0 && (sp->flags & SOCKET_EOF)) {
c = '\n';
} else {
return -1;
}
}
/*
* Validate length of request. Ignore long strings without newlines to
* safeguard against long URL attacks.
*/
if (ringqLen(lq) > E_MAX_REQUEST) {
c = '\n';
}
/*
* If a newline is seen, return the data excluding the new line to the
* caller. If carriage return is seen, just eat it.
*/
if (c == '\n') {
len = ringqLen(lq);
if (len > 0) {
*buf = ballocAscToUni((char *)lq->servp, len);
} else {
*buf = NULL;
}
ringqFlush(lq);
return len;
} else if (c == '\r') {
continue;
}
ringqPutcA(lq, c);
}
return 0;
}
示例12: socketSetBlock
/*
Set the socket blocking mode. Return the previous mode.
*/
PUBLIC int socketSetBlock(int sid, int on)
{
WebsSocket *sp;
int oldBlock;
if ((sp = socketPtr(sid)) == NULL) {
assert(0);
return 0;
}
oldBlock = (sp->flags & SOCKET_BLOCK);
sp->flags &= ~(SOCKET_BLOCK);
if (on) {
sp->flags |= SOCKET_BLOCK;
}
/*
Put the socket into block / non-blocking mode
*/
if (sp->flags & SOCKET_BLOCK) {
#if ME_WIN_LIKE
ulong flag = !on;
ioctlsocket(sp->sock, FIONBIO, &flag);
#elif ECOS
int off;
off = 0;
ioctl(sp->sock, FIONBIO, &off);
#elif VXWORKS
int iflag = !on;
ioctl(sp->sock, FIONBIO, (int) &iflag);
#elif TIDSP
setsockopt((SOCKET)sp->sock, SOL_SOCKET, SO_BLOCKING, &on, sizeof(on));
#else
fcntl(sp->sock, F_SETFL, fcntl(sp->sock, F_GETFL) & ~O_NONBLOCK);
#endif
} else {
#if ME_WIN_LIKE
ulong flag = !on;
int rc = ioctlsocket(sp->sock, FIONBIO, &flag);
rc = rc;
#elif ECOS
int on = 1;
ioctl(sp->sock, FIONBIO, &on);
#elif VXWORKS
int iflag = !on;
ioctl(sp->sock, FIONBIO, (int) &iflag);
#elif TIDSP
setsockopt((SOCKET)sp->sock, SOL_SOCKET, SO_BLOCKING, &on, sizeof(on));
#else
fcntl(sp->sock, F_SETFL, fcntl(sp->sock, F_GETFL) | O_NONBLOCK);
#endif
}
#if MACOSX
/* Prevent SIGPIPE when writing to closed socket on OS X */
int iflag = 1;
setsockopt(sp->sock, SOL_SOCKET, SO_NOSIGPIPE, (void*) &iflag, sizeof(iflag));
#endif
return oldBlock;
}
示例13: socketGetHandle
int socketGetHandle(int sid)
{
socket_t *sp;
if ((sp = socketPtr(sid)) == NULL) {
return -1;
}
return sp->sock;
}
示例14: socketCanWrite
int socketCanWrite(int sid)
{
socket_t *sp;
if ((sp = socketPtr(sid)) == NULL) {
return -1;
}
return sp->outBuf.buflen - ringqLen(&sp->outBuf) - 1;
}
示例15: socketEof
int socketEof(int sid)
{
socket_t *sp;
if ((sp = socketPtr(sid)) == NULL) {
return -1;
}
return sp->flags & SOCKET_EOF;
}