Minor fix.

[stg.git] / stglibs / srvconf.lib / netunit.cpp

diff --git a/stglibs/srvconf.lib/netunit.cpp b/stglibs/srvconf.lib/netunit.cpp
index 9955d2e5e3e16cb9304fd341d6df352f5a9a5535..a8b36e5715514dad3b3f3f60af23b8cb5dc9da09 100644 (file)
--- a/stglibs/srvconf.lib/netunit.cpp
+++ b/stglibs/srvconf.lib/netunit.cpp
@@ -18,20 +18,14 @@
  *    Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
  */
 
- /*
- $Revision: 1.6 $
- $Date: 2009/02/06 10:25:54 $
- $Author: faust $
- */
-
-//---------------------------------------------------------------------------
-
 #include "netunit.h"
 
 #include "stg/servconf_types.h"
 #include "stg/common.h"
 #include "stg/blowfish.h"
 
+#include <algorithm> // std::min
+
 #include <cstdio>
 #include <cerrno>
 #include <cstring>
@@ -59,6 +53,7 @@ const std::string::size_type MAX_XML_CHUNK_LENGTH = 2048;
 #define RECV_DATA_ANSWER_ERROR      "Recv data answer error!"
 #define UNKNOWN_ERROR               "Unknown error!"
 #define CONNECT_FAILED              "Connect failed!"
+#define BIND_FAILED                 "Bind failed!"
 #define INCORRECT_LOGIN             "Incorrect login!"
 #define INCORRECT_HEADER            "Incorrect header!"
 #define SEND_LOGIN_ERROR            "Send login error!"
@@ -75,9 +70,20 @@ NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p,
       port(p),
       login(l),
       password(pwd),
-      outerSocket(-1),
-      RxCallBack(NULL),
-      dataRxCallBack(NULL)
+      outerSocket(-1)
+{
+}
+//---------------------------------------------------------------------------
+NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p,
+                         const std::string & la, uint16_t lp,
+                         const std::string & l, const std::string & pwd)
+    : server(s),
+      port(p),
+      localAddress(la),
+      localPort(lp),
+      login(l),
+      password(pwd),
+      outerSocket(-1)
 {
 }
 //---------------------------------------------------------------------------
@@ -90,6 +96,41 @@ if (outerSocket < 0)
     return st_conn_fail;
     }
 
+if (!localAddress.empty())
+    {
+    if (localPort == 0)
+        localPort = port;
+
+    unsigned long ip = inet_addr(localAddress.c_str());
+
+    if (ip == INADDR_NONE)
+        {
+        struct hostent * phe = gethostbyname(localAddress.c_str());
+        if (phe == NULL)
+            {
+            errorMsg = "DNS error.\nCan not reslove " + localAddress;
+            return st_dns_err;
+            }
+
+        struct hostent he;
+        memcpy(&he, phe, sizeof(he));
+        ip = *((long *)he.h_addr_list[0]);
+        }
+
+    struct sockaddr_in localAddr;
+    memset(&localAddr, 0, sizeof(localAddr));
+    localAddr.sin_family = AF_INET;
+    localAddr.sin_port = htons(localPort);
+    localAddr.sin_addr.s_addr = ip;
+
+    if (bind(outerSocket, (struct sockaddr *)&localAddr, sizeof(localAddr)) < 0)
+        {
+        errorMsg = BIND_FAILED;
+        close(outerSocket);
+        return st_conn_fail;
+        }
+    }
+
 struct sockaddr_in outerAddr;
 memset(&outerAddr, 0, sizeof(outerAddr));
 
@@ -123,13 +164,12 @@ if (connect(outerSocket, (struct sockaddr *)&outerAddr, sizeof(outerAddr)) < 0)
 return st_ok;
 }
 //---------------------------------------------------------------------------
-int NETTRANSACT::Disconnect()
+void NETTRANSACT::Disconnect()
 {
 close(outerSocket);
-return 0;
 }
 //---------------------------------------------------------------------------
-int NETTRANSACT::Transact(const char * data)
+int NETTRANSACT::Transact(const std::string & request, CALLBACK callback, void * data)
 {
 int ret;
 if ((ret = TxHeader()) != st_ok)
@@ -168,13 +208,13 @@ if ((ret = RxLoginSAnswer()) != st_ok)
     return ret;
     }
 
-if ((ret = TxData(data)) != st_ok)
+if ((ret = TxData(request)) != st_ok)
     {
     Disconnect();
     return ret;
     }
 
-if ((ret = RxDataAnswer()) != st_ok)
+if ((ret = RxDataAnswer(callback, data)) != st_ok)
     {
     Disconnect();
     return ret;
@@ -322,73 +362,32 @@ else
     }
 }
 //---------------------------------------------------------------------------
-int NETTRANSACT::TxData(const char * text)
+int NETTRANSACT::TxData(const std::string & text)
 {
-int n = strlen(text) / ENC_MSG_LEN;
-int r = strlen(text) % ENC_MSG_LEN;
-
 BLOWFISH_CTX ctx;
 EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
 
-char textZ[ENC_MSG_LEN];
-char ct[ENC_MSG_LEN];
-
-for (int j = 0; j < n; j++)
+size_t pos = 0;
+while (pos < text.size())
     {
-    strncpy(textZ, text + j * ENC_MSG_LEN, ENC_MSG_LEN);
+    char textZ[ENC_MSG_LEN];
+    if (text.size() - pos < ENC_MSG_LEN)
+        memset(textZ, 0, ENC_MSG_LEN);
+    strncpy(textZ, text.c_str() + pos, std::min(ENC_MSG_LEN, (int)(text.size() - pos)));
+    char ct[ENC_MSG_LEN];
     EncodeString(ct, textZ, &ctx);
     if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)
         {
         errorMsg = SEND_DATA_ERROR;
         return st_send_fail;
         }
-    }
-
-memset(textZ, 0, ENC_MSG_LEN);
-
-if (r)
-    strncpy(textZ, text + n * ENC_MSG_LEN, ENC_MSG_LEN);
-
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-EncodeString(ct, textZ, &ctx);
-if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)
-    {
-    errorMsg = SEND_DATA_ERROR;
-    return st_send_fail;
+    pos += ENC_MSG_LEN;
     }
 
 return st_ok;
 }
 //---------------------------------------------------------------------------
-int NETTRANSACT::TxData(char * data)
-{
-char passwd[ADM_PASSWD_LEN];
-memset(passwd, 0, ADM_PASSWD_LEN);
-strncpy(passwd, password.c_str(), ADM_PASSWD_LEN);
-
-char buff[ENC_MSG_LEN];
-memset(buff, 0, ENC_MSG_LEN);
-
-int l = strlen(data) / ENC_MSG_LEN;
-if (strlen(data) % ENC_MSG_LEN)
-    l++;
-
-BLOWFISH_CTX ctx;
-EnDecodeInit(passwd, PASSWD_LEN, &ctx);
-
-for (int j = 0; j < l; j++)
-    {
-    strncpy(buff, &data[j * ENC_MSG_LEN], ENC_MSG_LEN);
-    char buffS[ENC_MSG_LEN];
-    EncodeString(buffS, buff, &ctx);
-    send(outerSocket, buffS, ENC_MSG_LEN, 0);
-    }
-
-return 0;
-}
-//---------------------------------------------------------------------------
-int NETTRANSACT::RxDataAnswer()
+int NETTRANSACT::RxDataAnswer(CALLBACK callback, void * data)
 {
 BLOWFISH_CTX ctx;
 EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
@@ -425,8 +424,8 @@ while (true)
 
     if (chunk.length() > MAX_XML_CHUNK_LENGTH || final)
         {
-        if (RxCallBack != NULL)
-            if (!RxCallBack(dataRxCallBack, chunk, final))
+        if (callback)
+            if (!callback(chunk, final, data))
                 return st_xml_parse_error;
         chunk.clear();
         }
@@ -435,9 +434,3 @@ while (true)
         return st_ok;
     }
 }
-//---------------------------------------------------------------------------
-void NETTRANSACT::SetRxCallback(void * data, RxCallback_t cb)
-{
-RxCallBack = cb;
-dataRxCallBack = data;
-}