initial import

1 files changed, 324 insertions, 0 deletions

diff --git a/nanohttp/nanohttp-socket.c b/nanohttp/nanohttp-socket.c
new file mode 100644
index 0000000..1a9742b
--- /dev/null
+++ b/nanohttp/nanohttp-socket.c
@@ -0,0 +1,324 @@
+/******************************************************************
+ *  $Id: nanohttp-socket.c,v 1.1 2003/12/11 14:51:04 snowdrop Exp $
+ *
+ * CSOAP Project:  A http client/server library in C
+ * Copyright (C) 2003  Ferhat Ayaz
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA  02111-1307, USA.
+ * 
+ * Email: ayaz@jprogrammer.net
+ ******************************************************************/
+#include <nanohttp/nanohttp-socket.h>
+#include <nanohttp/nanohttp-common.h>
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif 
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+
+#ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+#endif
+
+#ifdef HAVE_NETDB_H
+# include <netdb.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_module_init
+----------------------------------------------------*/
+int hsocket_module_init()
+{
+  /* nothing to init for unix sockets */
+  return 0;
+}
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_module_destroy
+----------------------------------------------------*/
+void hsocket_module_destroy()
+{
+  /* nothing to destroy for unix sockets */
+}
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_init
+----------------------------------------------------*/
+int hsocket_init(hsocket_t *sock)
+{
+  /* nothing to init for unix sockets */
+  /* just set the descriptor to -1 */
+  *sock = -1;
+  return 0;
+}
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_free
+----------------------------------------------------*/
+void hsocket_free(hsocket_t sock)
+{
+  /* nothing to free for unix sockets */
+}
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_open
+----------------------------------------------------*/
+int hsocket_open(hsocket_t *dsock, const char* hostname, int port)
+{
+  int sock;
+  struct sockaddr_in address; 
+  struct hostent* host;
+
+  sock = socket(AF_INET, SOCK_STREAM, 0);
+  if (sock <= 0) return HSOCKET_CAN_NOT_CREATE_SOCKET;
+
+  /* Get host data */
+  host = gethostbyname(hostname);
+  if (host == NULL) return HSOCKET_CAN_NOT_GET_HOSTNAME;
+
+  /* set server addresss */
+  address.sin_family = host->h_addrtype;
+  address.sin_port = htons(port);
+  memcpy((char*)&address.sin_addr.s_addr,
+	 host->h_addr_list[0], host->h_length);
+
+  /* connect to the server */
+  if (connect(sock, (struct sockaddr*) &address, sizeof(address)) != 0)
+    return HSOCKET_CAN_NOT_CONNECT;
+
+  *dsock = sock;
+  return HSOCKET_OK;
+}
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_close
+----------------------------------------------------*/
+void hsocket_close(hsocket_t sock)
+{
+  close(sock);
+}
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_send
+----------------------------------------------------*/
+int hsocket_send(hsocket_t sock, const char* buffer)
+{
+  int size;
+
+  size = send((int)sock, buffer, strlen(buffer), 0);
+  if (size == -1)
+    return HSOCKET_CAN_NOT_SEND;
+
+  return HSOCKET_OK;
+}
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_recv_limit (DON'T USE!)
+----------------------------------------------------*/
+int hsocket_recv_limit(hsocket_t sock, char** buffer, 
+		       const char* delim, char **rest, 
+		       int *totalBuffer, int *totalRest)
+{
+  ssize_t size;
+  int chunk=1;
+  char tmp[HSOCKET_MAX_BUFSIZE+1];
+  int delimlen;
+  int fsize;
+  int i;
+
+  *totalBuffer = 0;
+  *totalRest = 0;
+  delimlen = strlen(delim);
+
+  /* calculate first size for realloc */
+  if (*buffer) {
+    fsize = strlen(*buffer);
+  } else {
+    fsize = 0;
+  }
+
+  do {
+    
+    size = recv(sock, tmp, HSOCKET_MAX_BUFSIZE, 0);
+
+    if (size == -1) {
+      log_error1("Error reading from socket\n");
+      return HSOCKET_CAN_NOT_RECEIVE;
+    }
+
+    if (size == 0) {
+      break;
+    }
+
+    /* section 1: find delimiter if exist */
+    for (i=0;i<size-delimlen;i++) {
+      if (!strncmp(&tmp[i],delim,delimlen)) {
+	
+	/* ** split to buffer and rest ** */
+	
+	/* fill buffer until i */
+	*totalBuffer += i;
+	if (*buffer) {
+	  *buffer = (char*)realloc(*buffer, *totalBuffer+fsize+1+HSOCKET_MAX_BUFSIZE);
+	  strncat(*buffer, tmp, i);
+	  *buffer[*totalBuffer+fsize] = '\0';
+	} else {
+	  *buffer = (char*)realloc(NULL, *totalBuffer+1);
+	  strncpy(*buffer, tmp, i);
+	  (*buffer)[*totalBuffer] = '\0';
+	}
+
+
+	/* fill rest from i to size */
+	if (size - (i+delimlen)+1 > 0) {
+	  *rest = (char*)realloc(NULL, size - (i+delimlen)+1 + HSOCKET_MAX_BUFSIZE);
+	  strcpy(*rest, &tmp[i+delimlen]);
+	  *totalRest = size - (i+delimlen);
+	  (*rest)[*totalRest] = '\0';
+	} else {
+	  *rest = NULL;
+	}
+
+	return HSOCKET_OK;
+      }
+    }
+    
+    /* section 2: no delimiter found. so add tmp to buffer */
+    *totalBuffer += size;
+    if (*buffer) {
+      *buffer = (char*)realloc(*buffer, *totalBuffer+fsize+1);
+      strcat(*buffer, tmp);
+    } else {
+      *buffer = (char*)realloc(NULL, *totalBuffer+1);
+      strcpy(*buffer, tmp);
+    }
+
+    (*buffer)[*totalBuffer] = '\0';	
+    
+    chunk++;
+  } while (size > 0);
+
+  return HSOCKET_OK;  
+}
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_recv
+----------------------------------------------------*/
+int hsocket_recv(hsocket_t sock, char** buffer, int *totalSize)
+{
+  ssize_t size;
+  int chunk=1;
+  char tmp[HSOCKET_MAX_BUFSIZE+1];
+  int fsize;
+
+  *totalSize = 0;
+
+  /* calculate first size for realloc */
+  if (*buffer) {
+    fsize = strlen(*buffer);
+  } else {
+    fsize = 0;
+  }
+
+  do {
+    
+    size = recv(sock, tmp, HSOCKET_MAX_BUFSIZE, 0);
+
+    if (size == -1) {
+      log_error1("Error reading from socket\n");
+      return HSOCKET_CAN_NOT_RECEIVE;
+    }
+
+    if (size == 0) {
+      break;
+    }
+
+    *totalSize += size;
+    if (*buffer) {
+      log_debug2("reallocation %d bytes",*totalSize+fsize+1);
+      *buffer = (char*)realloc((char*)*buffer, (*totalSize)+fsize+HSOCKET_MAX_BUFSIZE);
+      strcat(*buffer, tmp);
+    } else {
+      log_debug1("Allocating");
+      *buffer = (char*)realloc(NULL, *totalSize+1);
+      strcpy(*buffer, tmp);
+    }
+
+    log_debug1("Assigning");
+    (*buffer)[*totalSize+fsize] = '\0';	
+    chunk++;
+  } while (size > 0);
+
+  log_debug1("Returning");
+  return HSOCKET_OK;
+}
+
+
+
+/*--------------------------------------------------
+  FUNCTION: hsocket_recv
+----------------------------------------------------*/
+int hsocket_recv_cb(hsocket_t sock, 
+		    hsocket_recv_callback cb, void *userdata)
+{
+  ssize_t size;
+  char tmp[HSOCKET_MAX_BUFSIZE+1];
+
+  do {
+    
+    size = recv(sock, tmp, HSOCKET_MAX_BUFSIZE, 0);
+
+    if (size == -1) {
+      log_error1("Error reading from socket\n");
+      return HSOCKET_CAN_NOT_RECEIVE;
+    }
+    
+    if (size == 0) {
+      break;
+    }
+
+    tmp[size]='\0';
+    if (!cb(sock, tmp, size, userdata)) {
+      break;
+    } 
+
+  } while (size > 0);
+
+  return HSOCKET_OK;
+}
+
+
+