}
if ((WCC->Hdr->http_sock == -1) ||
- (res = write(WCC->Hdr->http_sock,
- ptr,
- count)) == -1) {
+ ((res = write(WCC->Hdr->http_sock, ptr, count)),
+ (res == -1)))
+ {
syslog(LOG_INFO, "client_write: Socket write failed (%s)\n", strerror(errno));
wc_backtrace(LOG_INFO);
- return res;
+ return -1;
}
count -= res;
ptr += res;
return 0;
}
+
+int
+read_serv_chunk(
+
+ StrBuf *Buf,
+ size_t total_len,
+ size_t *bytes_read
+ )
+{
+ int rc;
+ int ServerRc;
+ wcsession *WCC = WC;
+
+ serv_printf("READ "SIZE_T_FMT"|"SIZE_T_FMT, *bytes_read, total_len-(*bytes_read));
+ if ( (rc = StrBuf_ServGetln(Buf) > 0) &&
+ (ServerRc = GetServerStatus(Buf, NULL), ServerRc == 6) )
+ {
+ size_t this_block = 0;
+
+ if (rc < 0)
+ return rc;
+
+ StrBufCutLeft(Buf, 4);
+ this_block = StrTol(Buf);
+ rc = StrBuf_ServGetBLOBBuffered(WCC->WBuf, this_block);
+ if (rc < 0) {
+ syslog(LOG_INFO, "Server connection broken during download\n");
+ wc_backtrace(LOG_INFO);
+ if (WCC->serv_sock > 0) close(WCC->serv_sock);
+ WCC->serv_sock = (-1);
+ WCC->connected = 0;
+ WCC->logged_in = 0;
+ return rc;
+ }
+ *bytes_read += rc;
+ }
+ return 6;
+}
+
+static inline int send_http(StrBuf *Buf)
+{
+#ifdef HAVE_OPENSSL
+ if (is_https)
+ return client_write_ssl(Buf);
+ else
+#endif
+ return client_write(Buf);
+}
/*
* Read binary data from server into memory using a series of server READ commands.
* returns the read content as StrBuf
*/
void serv_read_binary_to_http(StrBuf *MimeType, size_t total_len, int is_static, int detect_mime)
{
+ int ServerRc = 6;
wcsession *WCC = WC;
size_t bytes_read = 0;
- size_t this_block = 0;
- int rc = 6;
- int ServerRc = 6;
int first = 1;
+ int client_con_state = 0;
int chunked = 0;
- StrBuf *BufHeader;
+ int is_gzip = 0;
+ StrBuf *BufHeader = NULL;
StrBuf *Buf;
+ StrBuf *pBuf = NULL;
+ void *SC = NULL;
+ IOBuffer ReadBuffer;
+ IOBuffer WriteBuffer;
+
+ Buf = NewStrBuf();
if (WCC->Hdr->HaveRange)
{
{
BufHeader=NewStrBuf();
}
- Buf = NewStrBuf();
- http_transmit_headers(ChrPtr(MimeType), is_static, chunked);
-#ifdef HAVE_OPENSSL
- if (is_https)
- client_write_ssl(WCC->HBuf);
+ if ((detect_mime != 0) && (bytes_read != 0))
+ {
+ /* need to read first chunk to detect mime, though the client doesn't care */
+ size_t bytes_read = 0;
+ const char *CT;
+
+ ServerRc = read_serv_chunk(
+ Buf,
+ total_len,
+ &bytes_read);
+
+ if (ServerRc != 6)
+ {
+ FreeStrBuf(&Buf);
+ return;
+ }
+ CT = GuessMimeType(SKEY(WCC->WBuf));
+ FlushStrBuf(WCC->WBuf);
+ StrBufPlain(MimeType, CT, -1);
+ detect_mime = 0;
+ FreeStrBuf(&Buf);
+ }
+
+ if (chunked && !DisableGzip && WCC->Hdr->HR.gzip_ok)
+ {
+ is_gzip = 1;
+ SC = StrBufNewStreamContext (eZLibEncode);
+
+ memset(&ReadBuffer, 0, sizeof(IOBuffer));
+ ReadBuffer.Buf = WCC->WBuf;
+
+ memset(&WriteBuffer, 0, sizeof(IOBuffer));
+ WriteBuffer.Buf = NewStrBufPlain(NULL, SIZ*2);;
+ }
else
-#endif
- client_write(WCC->HBuf);
+ {
+ pBuf = WCC->WBuf;
+ }
- while ((bytes_read < total_len) && (ServerRc == 6)) {
+ if (!detect_mime)
+ {
+ http_transmit_headers(ChrPtr(MimeType), is_static, chunked, is_gzip);
+
+ if (send_http(WCC->HBuf) < 0)
+ {
+ FreeStrBuf(&Buf);
+ return;
+ }
+ }
+
+ while ((bytes_read < total_len) &&
+ (ServerRc == 6) &&
+ (client_con_state == 0))
+ {
if (WCC->serv_sock==-1) {
FlushStrBuf(WCC->WBuf);
+ FreeStrBuf(&Buf);
return;
}
- serv_printf("READ "SIZE_T_FMT"|"SIZE_T_FMT, bytes_read, total_len-bytes_read);
- if ( (rc = StrBuf_ServGetln(Buf) > 0) &&
- (ServerRc = GetServerStatus(Buf, NULL), ServerRc == 6) )
+ ServerRc = read_serv_chunk(
+ Buf,
+ total_len,
+ &bytes_read);
+ if (ServerRc != 6)
+ break;
+
+ if (detect_mime)
{
- if (rc < 0)
- return;
- StrBufCutLeft(Buf, 4);
- this_block = StrTol(Buf);
- rc = StrBuf_ServGetBLOBBuffered(WCC->WBuf, this_block);
- if (rc < 0) {
- syslog(LOG_INFO, "Server connection broken during download\n");
- wc_backtrace(LOG_INFO);
- if (WCC->serv_sock > 0) close(WCC->serv_sock);
- WCC->serv_sock = (-1);
- WCC->connected = 0;
- WCC->logged_in = 0;
- return;
- }
- bytes_read += rc;
+ const char *CT;
+ detect_mime = 0;
+ CT = GuessMimeType(SKEY(WCC->WBuf));
+ StrBufPlain(MimeType, CT, -1);
+ http_transmit_headers(ChrPtr(MimeType), is_static, chunked, is_gzip);
+
+ client_con_state = send_http(WCC->HBuf);
}
- if (chunked)
+ if (is_gzip)
{
- StrBufPrintf(BufHeader, "%s%x\r\n",
- (first)?"":"\r\n",
- StrLength (WCC->WBuf));
-#ifdef HAVE_OPENSSL
- if (is_https)
- rc = client_write_ssl(BufHeader);
- else
-#endif
- rc = client_write(BufHeader);
- if (rc < 0)
- break;
+ int done = (bytes_read == total_len);
+ while ((IOBufferStrLength(&ReadBuffer) > 0) && (client_con_state == 0)) {
+ StrBufStreamTranscode(eZLibEncode, &WriteBuffer, &ReadBuffer, NULL, -1, SC, done);
+
+ StrBufPrintf(BufHeader, "%s%x\r\n",
+ (first)?"":"\r\n",
+ StrLength (pBuf));
+ first = 0;
+ client_con_state = send_http(BufHeader);
+ if (client_con_state == 0) {
+ client_con_state = send_http(pBuf);
+ }
+ }
+ FlushStrBuf(WCC->WBuf);
}
+ else {
+ if ((chunked) && (client_con_state == 0))
+ {
+ StrBufPrintf(BufHeader, "%s%x\r\n",
+ (first)?"":"\r\n",
+ StrLength (pBuf));
+ first = 0;
+ client_con_state = send_http(BufHeader);
+ }
-#ifdef HAVE_OPENSSL
- if (is_https)
- rc = client_write_ssl(WCC->WBuf);
- else
-#endif
- rc = client_write(WCC->WBuf);
+ if (client_con_state == 0)
+ client_con_state = send_http(pBuf);
- if (rc < 0)
- break;
- first = 0;
- FlushStrBuf(WCC->WBuf);
+ FlushStrBuf(pBuf);
+ }
}
- if (chunked)
+ if ((chunked) && (client_con_state == 0))
{
- StrBufPrintf(BufHeader, "\r\n0\r\n\r\n");
-#ifdef HAVE_OPENSSL
- if (is_https)
- rc = client_write_ssl(BufHeader);
- else
-#endif
- rc = client_write(BufHeader);
+ StrBufPlain(BufHeader, HKEY("\r\n0\r\n\r\n"));
+ if (send_http(BufHeader) < 0)
+ {
+ FreeStrBuf(&Buf);
+ return;
+ }
}
-
+ FreeStrBuf(&Buf);
}
int ClientGetLine(ParsedHttpHdrs *Hdr, StrBuf *Target)
/*
* lingering_close() a`la Apache. see
- * http://www.apache.org/docs/misc/fin_wait_2.html for rationale
+ * http://httpd.apache.org/docs/2.0/misc/fin_wait_2.html for rationale
*/
int lingering_close(int fd)
{
projects / citadel.git / blobdiff