void
xmlNanoHTTPScanProxy(const char *URL) {
xmlURIPtr uri;
if (proxy != NULL) {
xmlFree(proxy);
proxy = NULL;
}
proxyPort = 0;
#ifdef DEBUG_HTTP
if (URL == NULL)
xmlGenericError(xmlGenericErrorContext,
"Removing HTTP proxy info\n");
else
xmlGenericError(xmlGenericErrorContext,
"Using HTTP proxy %s\n", URL);
#endif
if (URL == NULL) return;
uri = xmlParseURIRaw(URL, 1);
if ((uri == NULL) || (uri->scheme == NULL) ||
(strcmp(uri->scheme, "http")) || (uri->server == NULL)) {
__xmlIOErr(XML_FROM_HTTP, XML_HTTP_URL_SYNTAX, "Syntax Error\n");
if (uri != NULL)
xmlFreeURI(uri);
return;
}
proxy = xmlMemStrdup(uri->server);
if (uri->port != 0)
proxyPort = uri->port;
xmlFreeURI(uri);
}
static int
xmlNanoHTTPSend(xmlNanoHTTPCtxtPtr ctxt, const char * xmt_ptr, int outlen) {
int total_sent = 0;
if ( (ctxt->state & XML_NANO_HTTP_WRITE) && (xmt_ptr != NULL ) ) {
while (total_sent < outlen) {
int nsent = send(ctxt->fd, xmt_ptr + total_sent,
outlen - total_sent, 0);
if (nsent>0)
total_sent += nsent;
else if ( ( nsent == -1 ) &&
#if defined(EAGAIN) && EAGAIN != EWOULDBLOCK
( socket_errno( ) != EAGAIN ) &&
#endif
( socket_errno( ) != EWOULDBLOCK ) ) {
__xmlIOErr(XML_FROM_HTTP, 0, "send failed\n");
if ( total_sent == 0 )
total_sent = -1;
break;
}
else {
/*
** No data sent
** Since non-blocking sockets are used, wait for
** socket to be writable or default timeout prior
** to retrying.
*/
struct timeval tv;
fd_set wfd;
tv.tv_sec = timeout;
tv.tv_usec = 0;
FD_ZERO( &wfd );
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4018)
#endif
FD_SET( ctxt->fd, &wfd );
#ifdef _MSC_VER
#pragma warning(pop)
#endif
(void)select( ctxt->fd + 1, NULL, &wfd, NULL, &tv );
}
}
}
return total_sent;
}
static SOCKET
xmlNanoHTTPConnectAttempt(struct sockaddr *addr)
{
#ifndef HAVE_POLL_H
fd_set wfd;
#ifdef _WINSOCKAPI_
fd_set xfd;
#endif
struct timeval tv;
#else /* !HAVE_POLL_H */
struct pollfd p;
#endif /* !HAVE_POLL_H */
int status;
int addrlen;
SOCKET s;
#ifdef SUPPORT_IP6
if (addr->sa_family == AF_INET6) {
s = socket(PF_INET6, SOCK_STREAM, IPPROTO_TCP);
addrlen = sizeof(struct sockaddr_in6);
} else
#endif
{
s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
addrlen = sizeof(struct sockaddr_in);
}
if (s == INVALID_SOCKET) {
#ifdef DEBUG_HTTP
perror("socket");
#endif
__xmlIOErr(XML_FROM_HTTP, 0, "socket failed\n");
return INVALID_SOCKET;
}
#ifdef _WINSOCKAPI_
{
u_long one = 1;
status = ioctlsocket(s, FIONBIO, &one) == SOCKET_ERROR ? -1 : 0;
}
#else /* _WINSOCKAPI_ */
#if defined(VMS)
{
int enable = 1;
status = ioctl(s, FIONBIO, &enable);
}
#else /* VMS */
#if defined(__BEOS__) && !defined(__HAIKU__)
{
bool noblock = true;
status =
setsockopt(s, SOL_SOCKET, SO_NONBLOCK, &noblock,
sizeof(noblock));
}
#else /* __BEOS__ */
if ((status = fcntl(s, F_GETFL, 0)) != -1) {
#ifdef O_NONBLOCK
status |= O_NONBLOCK;
#else /* O_NONBLOCK */
#ifdef F_NDELAY
status |= F_NDELAY;
#endif /* F_NDELAY */
#endif /* !O_NONBLOCK */
status = fcntl(s, F_SETFL, status);
}
if (status < 0) {
#ifdef DEBUG_HTTP
perror("nonblocking");
#endif
__xmlIOErr(XML_FROM_HTTP, 0, "error setting non-blocking IO\n");
closesocket(s);
return INVALID_SOCKET;
}
#endif /* !__BEOS__ */
#endif /* !VMS */
#endif /* !_WINSOCKAPI_ */
if (connect(s, addr, addrlen) == -1) {
switch (socket_errno()) {
case EINPROGRESS:
case EWOULDBLOCK:
break;
default:
__xmlIOErr(XML_FROM_HTTP, 0,
"error connecting to HTTP server");
closesocket(s);
return INVALID_SOCKET;
}
}
#ifndef HAVE_POLL_H
tv.tv_sec = timeout;
tv.tv_usec = 0;
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4018)
#endif
#ifndef _WINSOCKAPI_
if (s > FD_SETSIZE)
return INVALID_SOCKET;
#endif
FD_ZERO(&wfd);
FD_SET(s, &wfd);
#ifdef _WINSOCKAPI_
FD_ZERO(&xfd);
FD_SET(s, &xfd);
switch (select(s + 1, NULL, &wfd, &xfd, &tv))
#else
switch (select(s + 1, NULL, &wfd, NULL, &tv))
#endif
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#else /* !HAVE_POLL_H */
p.fd = s;
p.events = POLLOUT;
switch (poll(&p, 1, timeout * 1000))
#endif /* !HAVE_POLL_H */
{
case 0:
/* Time out */
__xmlIOErr(XML_FROM_HTTP, 0, "Connect attempt timed out");
closesocket(s);
return INVALID_SOCKET;
case -1:
/* Ermm.. ?? */
__xmlIOErr(XML_FROM_HTTP, 0, "Connect failed");
closesocket(s);
return INVALID_SOCKET;
}
#ifndef HAVE_POLL_H
if (FD_ISSET(s, &wfd)
#ifdef _WINSOCKAPI_
|| FD_ISSET(s, &xfd)
#endif
)
#else /* !HAVE_POLL_H */
if (p.revents == POLLOUT)
#endif /* !HAVE_POLL_H */
{
XML_SOCKLEN_T len;
len = sizeof(status);
#ifdef SO_ERROR
if (getsockopt(s, SOL_SOCKET, SO_ERROR, (char *) &status, &len) <
0) {
/* Solaris error code */
__xmlIOErr(XML_FROM_HTTP, 0, "getsockopt failed\n");
return INVALID_SOCKET;
}
#endif
if (status) {
__xmlIOErr(XML_FROM_HTTP, 0,
"Error connecting to remote host");
closesocket(s);
errno = status;
return INVALID_SOCKET;
}
} else {
/* pbm */
__xmlIOErr(XML_FROM_HTTP, 0, "select failed\n");
closesocket(s);
return INVALID_SOCKET;
}
return (s);
}
static int
xmlNanoHTTPRecv(xmlNanoHTTPCtxtPtr ctxt)
{
#ifdef HAVE_POLL_H
struct pollfd p;
#else
fd_set rfd;
struct timeval tv;
#endif
while (ctxt->state & XML_NANO_HTTP_READ) {
if (ctxt->in == NULL) {
ctxt->in = (char *) xmlMallocAtomic(65000 * sizeof(char));
if (ctxt->in == NULL) {
xmlHTTPErrMemory("allocating input");
ctxt->last = -1;
return (-1);
}
ctxt->inlen = 65000;
ctxt->inptr = ctxt->content = ctxt->inrptr = ctxt->in;
}
if (ctxt->inrptr > ctxt->in + XML_NANO_HTTP_CHUNK) {
int delta = ctxt->inrptr - ctxt->in;
int len = ctxt->inptr - ctxt->inrptr;
memmove(ctxt->in, ctxt->inrptr, len);
ctxt->inrptr -= delta;
ctxt->content -= delta;
ctxt->inptr -= delta;
}
if ((ctxt->in + ctxt->inlen) < (ctxt->inptr + XML_NANO_HTTP_CHUNK)) {
int d_inptr = ctxt->inptr - ctxt->in;
int d_content = ctxt->content - ctxt->in;
int d_inrptr = ctxt->inrptr - ctxt->in;
char *tmp_ptr = ctxt->in;
ctxt->inlen *= 2;
ctxt->in = (char *) xmlRealloc(tmp_ptr, ctxt->inlen);
if (ctxt->in == NULL) {
xmlHTTPErrMemory("allocating input buffer");
xmlFree(tmp_ptr);
ctxt->last = -1;
return (-1);
}
ctxt->inptr = ctxt->in + d_inptr;
ctxt->content = ctxt->in + d_content;
ctxt->inrptr = ctxt->in + d_inrptr;
}
ctxt->last = recv(ctxt->fd, ctxt->inptr, XML_NANO_HTTP_CHUNK, 0);
if (ctxt->last > 0) {
ctxt->inptr += ctxt->last;
return (ctxt->last);
}
if (ctxt->last == 0) {
return (0);
}
if (ctxt->last == -1) {
switch (socket_errno()) {
case EINPROGRESS:
case EWOULDBLOCK:
#if defined(EAGAIN) && EAGAIN != EWOULDBLOCK
case EAGAIN:
#endif
break;
case ECONNRESET:
case ESHUTDOWN:
return (0);
default:
__xmlIOErr(XML_FROM_HTTP, 0, "recv failed\n");
return (-1);
}
}
#ifdef HAVE_POLL_H
p.fd = ctxt->fd;
p.events = POLLIN;
if ((poll(&p, 1, timeout * 1000) < 1)
#if defined(EINTR)
&& (errno != EINTR)
#endif
)
return (0);
#else /* !HAVE_POLL_H */
#ifndef _WINSOCKAPI_
if (ctxt->fd > FD_SETSIZE)
return 0;
#endif
tv.tv_sec = timeout;
tv.tv_usec = 0;
FD_ZERO(&rfd);
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4018)
#endif
FD_SET(ctxt->fd, &rfd);
#ifdef _MSC_VER
#pragma warning(pop)
#endif
if ((select(ctxt->fd + 1, &rfd, NULL, NULL, &tv) < 1)
#if defined(EINTR)
&& (errno != EINTR)
#endif
)
return (0);
#endif /* !HAVE_POLL_H */
}
return (0);
}
void*
xmlNanoHTTPMethodRedir(const char *URL, const char *method, const char *input,
char **contentType, char **redir,
const char *headers, int ilen ) {
xmlNanoHTTPCtxtPtr ctxt;
char *bp, *p;
int blen;
SOCKET ret;
int nbRedirects = 0;
char *redirURL = NULL;
#ifdef DEBUG_HTTP
int xmt_bytes;
#endif
if (URL == NULL) return(NULL);
if (method == NULL) method = "GET";
xmlNanoHTTPInit();
retry:
if (redirURL == NULL)
ctxt = xmlNanoHTTPNewCtxt(URL);
else {
ctxt = xmlNanoHTTPNewCtxt(redirURL);
ctxt->location = xmlMemStrdup(redirURL);
}
if ( ctxt == NULL ) {
return ( NULL );
}
if ((ctxt->protocol == NULL) || (strcmp(ctxt->protocol, "http"))) {
__xmlIOErr(XML_FROM_HTTP, XML_HTTP_URL_SYNTAX, "Not a valid HTTP URI");
xmlNanoHTTPFreeCtxt(ctxt);
if (redirURL != NULL) xmlFree(redirURL);
return(NULL);
}
if (ctxt->hostname == NULL) {
__xmlIOErr(XML_FROM_HTTP, XML_HTTP_UNKNOWN_HOST,
"Failed to identify host in URI");
xmlNanoHTTPFreeCtxt(ctxt);
if (redirURL != NULL) xmlFree(redirURL);
return(NULL);
}
if (proxy) {
blen = strlen(ctxt->hostname) * 2 + 16;
ret = xmlNanoHTTPConnectHost(proxy, proxyPort);
}
else {
blen = strlen(ctxt->hostname);
ret = xmlNanoHTTPConnectHost(ctxt->hostname, ctxt->port);
}
if (ret == INVALID_SOCKET) {
xmlNanoHTTPFreeCtxt(ctxt);
if (redirURL != NULL) xmlFree(redirURL);
return(NULL);
}
ctxt->fd = ret;
if (input == NULL)
ilen = 0;
else
blen += 36;
if (headers != NULL)
blen += strlen(headers) + 2;
if (contentType && *contentType)
/* reserve for string plus 'Content-Type: \r\n" */
blen += strlen(*contentType) + 16;
if (ctxt->query != NULL)
/* 1 for '?' */
blen += strlen(ctxt->query) + 1;
blen += strlen(method) + strlen(ctxt->path) + 24;
#ifdef HAVE_ZLIB_H
/* reserve for possible 'Accept-Encoding: gzip' string */
blen += 23;
#endif
if (ctxt->port != 80) {
/* reserve space for ':xxxxx', incl. potential proxy */
if (proxy)
blen += 12;
else
blen += 6;
}
bp = (char*)xmlMallocAtomic(blen);
if ( bp == NULL ) {
xmlNanoHTTPFreeCtxt( ctxt );
xmlHTTPErrMemory("allocating header buffer");
return ( NULL );
}
p = bp;
if (proxy) {
if (ctxt->port != 80) {
p += snprintf( p, blen - (p - bp), "%s http://%s:%d%s",
method, ctxt->hostname,
ctxt->port, ctxt->path );
}
else
p += snprintf( p, blen - (p - bp), "%s http://%s%s", method,
ctxt->hostname, ctxt->path);
}
else
p += snprintf( p, blen - (p - bp), "%s %s", method, ctxt->path);
if (ctxt->query != NULL)
p += snprintf( p, blen - (p - bp), "?%s", ctxt->query);
if (ctxt->port == 80) {
p += snprintf( p, blen - (p - bp), " HTTP/1.0\r\nHost: %s\r\n",
ctxt->hostname);
} else {
p += snprintf( p, blen - (p - bp), " HTTP/1.0\r\nHost: %s:%d\r\n",
ctxt->hostname, ctxt->port);
}
#ifdef HAVE_ZLIB_H
p += snprintf(p, blen - (p - bp), "Accept-Encoding: gzip\r\n");
#endif
if (contentType != NULL && *contentType)
p += snprintf(p, blen - (p - bp), "Content-Type: %s\r\n", *contentType);
if (headers != NULL)
p += snprintf( p, blen - (p - bp), "%s", headers );
if (input != NULL)
snprintf(p, blen - (p - bp), "Content-Length: %d\r\n\r\n", ilen );
else
snprintf(p, blen - (p - bp), "\r\n");
#ifdef DEBUG_HTTP
xmlGenericError(xmlGenericErrorContext,
"-> %s%s", proxy? "(Proxy) " : "", bp);
if ((blen -= strlen(bp)+1) < 0)
xmlGenericError(xmlGenericErrorContext,
"ERROR: overflowed buffer by %d bytes\n", -blen);
#endif
ctxt->outptr = ctxt->out = bp;
ctxt->state = XML_NANO_HTTP_WRITE;
blen = strlen( ctxt->out );
#ifdef DEBUG_HTTP
xmt_bytes = xmlNanoHTTPSend(ctxt, ctxt->out, blen );
if ( xmt_bytes != blen )
xmlGenericError( xmlGenericErrorContext,
"xmlNanoHTTPMethodRedir: Only %d of %d %s %s\n",
xmt_bytes, blen,
"bytes of HTTP headers sent to host",
ctxt->hostname );
#else
xmlNanoHTTPSend(ctxt, ctxt->out, blen );
#endif
if ( input != NULL ) {
#ifdef DEBUG_HTTP
xmt_bytes = xmlNanoHTTPSend( ctxt, input, ilen );
if ( xmt_bytes != ilen )
xmlGenericError( xmlGenericErrorContext,
"xmlNanoHTTPMethodRedir: Only %d of %d %s %s\n",
xmt_bytes, ilen,
"bytes of HTTP content sent to host",
ctxt->hostname );
#else
xmlNanoHTTPSend( ctxt, input, ilen );
#endif
}
ctxt->state = XML_NANO_HTTP_READ;
while ((p = xmlNanoHTTPReadLine(ctxt)) != NULL) {
if (*p == 0) {
ctxt->content = ctxt->inrptr;
xmlFree(p);
break;
}
xmlNanoHTTPScanAnswer(ctxt, p);
#ifdef DEBUG_HTTP
xmlGenericError(xmlGenericErrorContext, "<- %s\n", p);
#endif
xmlFree(p);
}
if ((ctxt->location != NULL) && (ctxt->returnValue >= 300) &&
(ctxt->returnValue < 400)) {
#ifdef DEBUG_HTTP
xmlGenericError(xmlGenericErrorContext,
"\nRedirect to: %s\n", ctxt->location);
#endif
while ( xmlNanoHTTPRecv(ctxt) > 0 ) ;
if (nbRedirects < XML_NANO_HTTP_MAX_REDIR) {
nbRedirects++;
if (redirURL != NULL)
xmlFree(redirURL);
redirURL = xmlMemStrdup(ctxt->location);
xmlNanoHTTPFreeCtxt(ctxt);
goto retry;
}
xmlNanoHTTPFreeCtxt(ctxt);
if (redirURL != NULL) xmlFree(redirURL);
#ifdef DEBUG_HTTP
xmlGenericError(xmlGenericErrorContext,
"xmlNanoHTTPMethodRedir: Too many redirects, aborting ...\n");
#endif
return(NULL);
}
if (contentType != NULL) {
if (ctxt->contentType != NULL)
*contentType = xmlMemStrdup(ctxt->contentType);
else
*contentType = NULL;
}
if ((redir != NULL) && (redirURL != NULL)) {
*redir = redirURL;
} else {
if (redirURL != NULL)
xmlFree(redirURL);
if (redir != NULL)
*redir = NULL;
}
#ifdef DEBUG_HTTP
if (ctxt->contentType != NULL)
xmlGenericError(xmlGenericErrorContext,
"\nCode %d, content-type '%s'\n\n",
ctxt->returnValue, ctxt->contentType);
else
xmlGenericError(xmlGenericErrorContext,
"\nCode %d, no content-type\n\n",
ctxt->returnValue);
#endif
return((void *) ctxt);
}
static SOCKET
xmlNanoHTTPConnectHost(const char *host, int port)
{
struct hostent *h;
struct sockaddr *addr = NULL;
struct in_addr ia;
struct sockaddr_in sockin;
#ifdef SUPPORT_IP6
struct in6_addr ia6;
struct sockaddr_in6 sockin6;
#endif
int i;
SOCKET s;
memset (&sockin, 0, sizeof(sockin));
#ifdef SUPPORT_IP6
memset (&sockin6, 0, sizeof(sockin6));
#endif
#if !defined(HAVE_GETADDRINFO) && defined(SUPPORT_IP6) && defined(RES_USE_INET6)
if (have_ipv6 ())
{
if (!(_res.options & RES_INIT))
res_init();
_res.options |= RES_USE_INET6;
}
#endif
#if defined(HAVE_GETADDRINFO) && defined(SUPPORT_IP6) && !defined(_WIN32)
if (have_ipv6 ())
#endif
#if defined(HAVE_GETADDRINFO) && (defined(SUPPORT_IP6) || defined(_WIN32))
{
int status;
struct addrinfo hints, *res, *result;
result = NULL;
memset (&hints, 0,sizeof(hints));
hints.ai_socktype = SOCK_STREAM;
status = getaddrinfo (host, NULL, &hints, &result);
if (status) {
__xmlIOErr(XML_FROM_HTTP, 0, "getaddrinfo failed\n");
return INVALID_SOCKET;
}
for (res = result; res; res = res->ai_next) {
if (res->ai_family == AF_INET) {
if (res->ai_addrlen > sizeof(sockin)) {
__xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
freeaddrinfo (result);
return INVALID_SOCKET;
}
memcpy (&sockin, res->ai_addr, res->ai_addrlen);
sockin.sin_port = htons (port);
addr = (struct sockaddr *)&sockin;
#ifdef SUPPORT_IP6
} else if (have_ipv6 () && (res->ai_family == AF_INET6)) {
if (res->ai_addrlen > sizeof(sockin6)) {
__xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
freeaddrinfo (result);
return INVALID_SOCKET;
}
memcpy (&sockin6, res->ai_addr, res->ai_addrlen);
sockin6.sin6_port = htons (port);
addr = (struct sockaddr *)&sockin6;
#endif
} else
continue; /* for */
s = xmlNanoHTTPConnectAttempt (addr);
if (s != INVALID_SOCKET) {
freeaddrinfo (result);
return (s);
}
}
if (result)
freeaddrinfo (result);
}
#endif
#if defined(HAVE_GETADDRINFO) && defined(SUPPORT_IP6) && !defined(_WIN32)
else
#endif
#if !defined(HAVE_GETADDRINFO) || !defined(_WIN32)
{
h = gethostbyname (host);
if (h == NULL) {
/*
* Okay, I got fed up by the non-portability of this error message
* extraction code. it work on Linux, if it work on your platform
* and one want to enable it, send me the defined(foobar) needed
*/
#if defined(HAVE_NETDB_H) && defined(HOST_NOT_FOUND) && defined(linux)
const char *h_err_txt = "";
switch (h_errno) {
case HOST_NOT_FOUND:
h_err_txt = "Authoritive host not found";
break;
case TRY_AGAIN:
h_err_txt =
"Non-authoritive host not found or server failure.";
break;
case NO_RECOVERY:
h_err_txt =
"Non-recoverable errors: FORMERR, REFUSED, or NOTIMP.";
break;
case NO_ADDRESS:
h_err_txt =
"Valid name, no data record of requested type.";
break;
default:
h_err_txt = "No error text defined.";
break;
}
__xmlIOErr(XML_FROM_HTTP, 0, h_err_txt);
#else
__xmlIOErr(XML_FROM_HTTP, 0, "Failed to resolve host");
#endif
return INVALID_SOCKET;
}
for (i = 0; h->h_addr_list[i]; i++) {
if (h->h_addrtype == AF_INET) {
/* A records (IPv4) */
if ((unsigned int) h->h_length > sizeof(ia)) {
__xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
return INVALID_SOCKET;
}
memcpy (&ia, h->h_addr_list[i], h->h_length);
sockin.sin_family = h->h_addrtype;
sockin.sin_addr = ia;
sockin.sin_port = (u_short)htons ((unsigned short)port);
addr = (struct sockaddr *) &sockin;
#ifdef SUPPORT_IP6
} else if (have_ipv6 () && (h->h_addrtype == AF_INET6)) {
/* AAAA records (IPv6) */
if ((unsigned int) h->h_length > sizeof(ia6)) {
__xmlIOErr(XML_FROM_HTTP, 0, "address size mismatch\n");
return INVALID_SOCKET;
}
memcpy (&ia6, h->h_addr_list[i], h->h_length);
sockin6.sin6_family = h->h_addrtype;
sockin6.sin6_addr = ia6;
sockin6.sin6_port = htons (port);
addr = (struct sockaddr *) &sockin6;
#endif
} else
break; /* for */
s = xmlNanoHTTPConnectAttempt (addr);
if (s != INVALID_SOCKET)
return (s);
}
}
#endif
#ifdef DEBUG_HTTP
xmlGenericError(xmlGenericErrorContext,
"xmlNanoHTTPConnectHost: unable to connect to '%s'.\n",
host);
#endif
return INVALID_SOCKET;
}
static int
xmlNanoHTTPSend(xmlNanoHTTPCtxtPtr ctxt, const char *xmt_ptr, int outlen)
{
int total_sent = 0;
#ifdef HAVE_POLL_H
struct pollfd p;
#else
struct timeval tv;
fd_set wfd;
#endif
if ((ctxt->state & XML_NANO_HTTP_WRITE) && (xmt_ptr != NULL)) {
while (total_sent < outlen) {
int nsent = send(ctxt->fd, SEND_ARG2_CAST (xmt_ptr + total_sent),
outlen - total_sent, 0);
if (nsent > 0)
total_sent += nsent;
else if ((nsent == -1) &&
#if defined(EAGAIN) && EAGAIN != EWOULDBLOCK
(socket_errno() != EAGAIN) &&
#endif
(socket_errno() != EWOULDBLOCK)) {
__xmlIOErr(XML_FROM_HTTP, 0, "send failed\n");
if (total_sent == 0)
total_sent = -1;
break;
} else {
/*
* No data sent
* Since non-blocking sockets are used, wait for
* socket to be writable or default timeout prior
* to retrying.
*/
#ifndef HAVE_POLL_H
#ifndef _WINSOCKAPI_
if (ctxt->fd > FD_SETSIZE)
return -1;
#endif
tv.tv_sec = timeout;
tv.tv_usec = 0;
FD_ZERO(&wfd);
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4018)
#endif
FD_SET(ctxt->fd, &wfd);
#ifdef _MSC_VER
#pragma warning(pop)
#endif
(void) select(ctxt->fd + 1, NULL, &wfd, NULL, &tv);
#else
p.fd = ctxt->fd;
p.events = POLLOUT;
(void) poll(&p, 1, timeout * 1000);
#endif /* !HAVE_POLL_H */
}
}
}
return total_sent;
}
