/*
* $Id$
*/
-/**
- * \defgroup TcpSockets TCP client socket module for WebCit
- * \ingroup CitadelCommunitacion
- */
-/*@{*/
/*
* Uncomment this to log all communications with the Citadel server
#define SERV_TRACE 1
*/
+
#include "webcit.h"
#include "webserver.h"
-/**
- * \brief register the timeout
- * \param signum signalhandler number
+/*
+ * register the timeout
+ * signum signalhandler number
* \return signals
*/
RETSIGTYPE timeout(int signum)
{
- lprintf(1, "Connection timed out.\n");
- exit(3);
+ lprintf(1, "Connection timed out; unable to reach citserver\n");
+ /* no exit here, since we need to server the connection unreachable thing. exit(3); */
}
-/**
- * \brief Connect a unix domain socket
- * \param sockpath where to open a unix domain socket
+/*
+ * Connect a unix domain socket
+ * sockpath where to open a unix domain socket
*/
int uds_connectsock(char *sockpath)
{
s = socket(AF_UNIX, SOCK_STREAM, 0);
if (s < 0) {
- lprintf(1, "Can't create socket: %s\n",
+ lprintf(1, "Can't create socket[%s]: %s\n",
+ sockpath,
strerror(errno));
return(-1);
}
if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- lprintf(1, "Can't connect: %s\n",
+ lprintf(1, "Can't connect [%s]: %s\n",
+ sockpath,
strerror(errno));
close(s);
return(-1);
}
-/**
- * \brief Connect a TCP/IP socket
- * \param host the host to connect to
- * \param service the service on the host to call
+/*
+ * Connect a TCP/IP socket
+ * host the host to connect to
+ * service the service on the host to call
*/
int tcp_connectsock(char *host, char *service)
{
-/**
- * \brief Input binary data from socket
- * \param buf the buffer to get the input to
- * \param bytes the maximal number of bytes to read
+/*
+ * Input binary data from socket
+ * buf the buffer to get the input to
+ * bytes the maximal number of bytes to read
*/
-void serv_read(char *buf, int bytes)
+inline void _serv_read(char *buf, int bytes, wcsession *WCC)
{
int len, rlen;
len = 0;
- while (len < bytes) {
- rlen = read(WC->serv_sock, &buf[len], bytes - len);
+ while ((len < bytes) && (WCC->serv_sock != -1)){
+ rlen = read(WCC->serv_sock, &buf[len], bytes - len);
if (rlen < 1) {
lprintf(1, "Server connection broken: %s\n",
strerror(errno));
wc_backtrace();
- close(WC->serv_sock);
- WC->serv_sock = (-1);
- WC->connected = 0;
- WC->logged_in = 0;
+ close(WCC->serv_sock);
+ WCC->serv_sock = (-1);
+ WCC->connected = 0;
+ WCC->logged_in = 0;
memset(buf, 0, bytes);
return;
}
}
}
-
-/**
- * \brief input string from pipe
+/*
+ * input string from pipe
*/
-void serv_getln(char *strbuf, int bufsize)
+int serv_getln(char *strbuf, int bufsize)
{
+ wcsession *WCC = WC;
int ch, len;
char buf[2];
+ WCC->ReadPos = NULL;
len = 0;
strbuf[0] = 0;
do {
- serv_read(&buf[0], 1);
+ _serv_read(&buf[0], 1, WCC);
ch = buf[0];
if ((ch != 13) && (ch != 10)) {
strbuf[len++] = ch;
}
- } while ((ch != 10) && (ch != 0) && (len < (bufsize-1)));
+ } while ((ch != 10) && (ch != 0) && (len < (bufsize-1)) && (WCC->serv_sock != -1));
strbuf[len] = 0;
#ifdef SERV_TRACE
lprintf(9, "%3d>%s\n", WC->serv_sock, strbuf);
#endif
+ return len;
}
+int StrBuf_ServGetln(StrBuf *buf)
+{
+ wcsession *WCC = WC;
+ const char *ErrStr;
+ int rc;
+
+ WCC->ReadPos = NULL;
+ rc = StrBufTCP_read_line(buf, &WCC->serv_sock, 0, &ErrStr);
+ if (rc < 0)
+ {
+ lprintf(1, "Server connection broken: %s\n",
+ ErrStr);
+ wc_backtrace();
+ WCC->serv_sock = (-1);
+ WCC->connected = 0;
+ WCC->logged_in = 0;
+ }
+ return rc;
+}
+int StrBuf_ServGetlnBuffered(StrBuf *buf)
+{
+ wcsession *WCC = WC;
+ const char *ErrStr;
+ int rc;
+
+ rc = StrBufTCP_read_buffered_line_fast(buf,
+ WCC->ReadBuf,
+ &WCC->ReadPos,
+ &WCC->serv_sock,
+ 5, 1,
+ &ErrStr);
+ if (rc < 0)
+ {
+ lprintf(1, "Server connection broken: %s\n",
+ ErrStr);
+ wc_backtrace();
+ WCC->serv_sock = (-1);
+ WCC->connected = 0;
+ WCC->logged_in = 0;
+ }
+ return rc;
+}
-/**
- * \brief send binary to server
- * \param buf the buffer to write to citadel server
- * \param nbytes how many bytes to send to citadel server
+int StrBuf_ServGetBLOBBuffered(StrBuf *buf, long BlobSize)
+{
+ wcsession *WCC = WC;
+ const char *Err;
+ int rc;
+
+ rc = StrBufReadBLOBBuffered(buf,
+ WCC->ReadBuf,
+ &WCC->ReadPos,
+ &WCC->serv_sock,
+ 1,
+ BlobSize,
+ NNN_TERM,
+ &Err);
+ if (rc < 0)
+ {
+ lprintf(1, "Server connection broken: %s\n",
+ Err);
+ wc_backtrace();
+ WCC->serv_sock = (-1);
+ WCC->connected = 0;
+ WCC->logged_in = 0;
+ }
+ return rc;
+}
+
+int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize)
+{
+ wcsession *WCC = WC;
+ const char *Err;
+ int rc;
+
+ WCC->ReadPos = NULL;
+ rc = StrBufReadBLOB(buf, &WCC->serv_sock, 1, BlobSize, &Err);
+ if (rc < 0)
+ {
+ lprintf(1, "Server connection broken: %s\n",
+ Err);
+ wc_backtrace();
+ WCC->serv_sock = (-1);
+ WCC->connected = 0;
+ WCC->logged_in = 0;
+ }
+ return rc;
+}
+
+/*
+ * send binary to server
+ * buf the buffer to write to citadel server
+ * nbytes how many bytes to send to citadel server
*/
-void serv_write(char *buf, int nbytes)
+void serv_write(const char *buf, int nbytes)
{
int bytes_written = 0;
int retval;
}
-/**
- * \brief send line to server
- * \param string the line to send to the citadel server
+/*
+ * send line to server
+ * string the line to send to the citadel server
*/
-void serv_puts(char *string)
+void serv_puts(const char *string)
{
+ wcsession *WCC = WC;
#ifdef SERV_TRACE
lprintf(9, "%3d<%s\n", WC->serv_sock, string);
#endif
+ FlushStrBuf(WCC->ReadBuf);
+ WCC->ReadPos = NULL;
+
serv_write(string, strlen(string));
serv_write("\n", 1);
}
+/*
+ * send line to server
+ * string the line to send to the citadel server
+ */
+void serv_putbuf(const StrBuf *string)
+{
+ wcsession *WCC = WC;
+#ifdef SERV_TRACE
+ lprintf(9, "%3d<%s\n", WC->serv_sock, ChrPtr(string));
+#endif
+ FlushStrBuf(WCC->ReadBuf);
+ WCC->ReadPos = NULL;
+
+ serv_write(ChrPtr(string), StrLength(string));
+ serv_write("\n", 1);
+}
+
-/**
- * \brief convenience function to send stuff to the server
- * \param format the formatstring
- * \param ... the entities to insert into format
+/*
+ * convenience function to send stuff to the server
+ * format the formatstring
+ * ... the entities to insert into format
*/
void serv_printf(const char *format,...)
{
+ wcsession *WCC = WC;
va_list arg_ptr;
char buf[SIZ];
+ size_t len;
+
+ FlushStrBuf(WCC->ReadBuf);
+ WCC->ReadPos = NULL;
va_start(arg_ptr, format);
vsnprintf(buf, sizeof buf, format, arg_ptr);
va_end(arg_ptr);
- strcat(buf, "\n");
- serv_write(buf, strlen(buf));
+ len = strlen(buf);
+ buf[len++] = '\n';
+ buf[len] = '\0';
+ serv_write(buf, len);
#ifdef SERV_TRACE
lprintf(9, "<%s", buf);
#endif
}
-
-/*@}*/