X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/5ec330c9443a3ad42258159e11013c116d9c4978..4243cf76394d6e657a1a8b67645d3d655efd1b07:/stglibs/srvconf.lib/netunit.cpp

diff --git a/stglibs/srvconf.lib/netunit.cpp b/stglibs/srvconf.lib/netunit.cpp
index b7aa4f73..1a21295b 100644
--- 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!"
@@ -73,6 +68,20 @@ NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p,
                          const std::string & l, const std::string & pwd)
     : server(s),
       port(p),
+      localPort(0),
+      login(l),
+      password(pwd),
+      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)
@@ -88,6 +97,41 @@ 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));
 
@@ -126,7 +170,7 @@ void NETTRANSACT::Disconnect()
 close(outerSocket);
 }
 //---------------------------------------------------------------------------
-int NETTRANSACT::Transact(const char * request, CALLBACK callback, void * data)
+int NETTRANSACT::Transact(const std::string & request, CALLBACK callback, void * data)
 {
 int ret;
 if ((ret = TxHeader()) != st_ok)
@@ -319,72 +363,31 @@ 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(CALLBACK callback, void * data)
 {
 BLOWFISH_CTX ctx;