X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/82c7b78d7b7cf797f0663c96f44b092103802035..4c064456f5d2093f802b474736d5be5051f857a0:/stglibs/srvconf.lib/netunit.cpp?ds=inline

diff --git a/stglibs/srvconf.lib/netunit.cpp b/stglibs/srvconf.lib/netunit.cpp
index aabb7780..164823d8 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>
@@ -75,16 +69,12 @@ NETTRANSACT::NETTRANSACT(const std::string & s, uint16_t p,
       port(p),
       login(l),
       password(pwd),
-      outerSocket(-1),
-      RxCallBack(NULL),
-      dataRxCallBack(NULL)
+      outerSocket(-1)
 {
 }
 //---------------------------------------------------------------------------
 int NETTRANSACT::Connect()
 {
-int ret;
-
 outerSocket = socket(PF_INET, SOCK_STREAM, 0);
 if (outerSocket < 0)
     {
@@ -95,46 +85,42 @@ if (outerSocket < 0)
 struct sockaddr_in outerAddr;
 memset(&outerAddr, 0, sizeof(outerAddr));
 
-struct hostent he;
-struct hostent * phe;
-
-unsigned long ip;
-ip = inet_addr(server.c_str());
+unsigned long ip = inet_addr(server.c_str());
 
 if (ip == INADDR_NONE)
     {
-    phe = gethostbyname(server.c_str());
+    struct hostent * phe = gethostbyname(server.c_str());
     if (phe == NULL)
         {
         errorMsg = "DNS error.\nCan not reslove " + server;
         return st_dns_err;
         }
 
+    struct hostent he;
     memcpy(&he, phe, sizeof(he));
-    ip = *((long*)he.h_addr_list[0]);
+    ip = *((long *)he.h_addr_list[0]);
     }
+
 outerAddr.sin_family = AF_INET;
 outerAddr.sin_port = htons(port);
 outerAddr.sin_addr.s_addr = ip;
 
-ret = connect(outerSocket, (struct sockaddr*)&outerAddr, sizeof(outerAddr));
-
-if (ret < 0)
+if (connect(outerSocket, (struct sockaddr *)&outerAddr, sizeof(outerAddr)) < 0)
     {
     errorMsg = CONNECT_FAILED;
     close(outerSocket);
     return st_conn_fail;
     }
+
 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)
@@ -173,13 +159,13 @@ 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;
@@ -190,9 +176,7 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::TxHeader()
 {
-int ret;
-ret = send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0);
-if (ret <= 0)
+if (send(outerSocket, STG_HEADER, strlen(STG_HEADER), 0) <= 0)
     {
     errorMsg = SEND_HEADER_ERROR;
     return st_send_fail;
@@ -203,11 +187,9 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxHeaderAnswer()
 {
-char buffer[sizeof(STG_HEADER)+1];
-int ret;
+char buffer[sizeof(STG_HEADER) + 1];
 
-ret = recv(outerSocket, buffer, strlen(OK_HEADER), 0);
-if (ret <= 0)
+if (recv(outerSocket, buffer, strlen(OK_HEADER), 0) <= 0)
     {
     printf("Receive header answer error: '%s'\n", strerror(errno));
     errorMsg = RECV_HEADER_ANSWER_ERROR;
@@ -236,13 +218,10 @@ else
 int NETTRANSACT::TxLogin()
 {
 char loginZ[ADM_LOGIN_LEN];
-int ret;
-
 memset(loginZ, 0, ADM_LOGIN_LEN);
 strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
-ret = send(outerSocket, loginZ, ADM_LOGIN_LEN, 0);
 
-if (ret <= 0)
+if (send(outerSocket, loginZ, ADM_LOGIN_LEN, 0) <= 0)
     {
     errorMsg = SEND_LOGIN_ERROR;
     return st_send_fail;
@@ -253,11 +232,9 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxLoginAnswer()
 {
-char buffer[sizeof(OK_LOGIN)+1];
-int ret;
+char buffer[sizeof(OK_LOGIN) + 1];
 
-ret = recv(outerSocket, buffer, strlen(OK_LOGIN), 0);
-if (ret <= 0)
+if (recv(outerSocket, buffer, strlen(OK_LOGIN), 0) <= 0)
     {
     printf("Receive login answer error: '%s'\n", strerror(errno));
     errorMsg = RECV_LOGIN_ANSWER_ERROR;
@@ -286,9 +263,6 @@ else
 int NETTRANSACT::TxLoginS()
 {
 char loginZ[ADM_LOGIN_LEN];
-char ct[ENC_MSG_LEN];
-int ret;
-
 memset(loginZ, 0, ADM_LOGIN_LEN);
 strncpy(loginZ, login.c_str(), ADM_LOGIN_LEN);
 
@@ -297,9 +271,9 @@ EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
 
 for (int j = 0; j < ADM_LOGIN_LEN / ENC_MSG_LEN; j++)
     {
-    EncodeString(ct, loginZ + j*ENC_MSG_LEN, &ctx);
-    ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
-    if (ret <= 0)
+    char ct[ENC_MSG_LEN];
+    EncodeString(ct, loginZ + j * ENC_MSG_LEN, &ctx);
+    if (send(outerSocket, ct, ENC_MSG_LEN, 0) <= 0)
         {
         errorMsg = SEND_LOGIN_ERROR;
         return st_send_fail;
@@ -311,11 +285,9 @@ return st_ok;
 //---------------------------------------------------------------------------
 int NETTRANSACT::RxLoginSAnswer()
 {
-char buffer[sizeof(OK_LOGINS)+1];
-int ret;
+char buffer[sizeof(OK_LOGINS) + 1];
 
-ret = recv(outerSocket, buffer, strlen(OK_LOGINS), 0);
-if (ret <= 0)
+if (recv(outerSocket, buffer, strlen(OK_LOGINS), 0) <= 0)
     {
     printf("Receive secret login answer error: '%s'\n", strerror(errno));
     errorMsg = RECV_LOGIN_ANSWER_ERROR;
@@ -341,76 +313,32 @@ else
     }
 }
 //---------------------------------------------------------------------------
-int NETTRANSACT::TxData(const char * text)
+int NETTRANSACT::TxData(const std::string & text)
 {
-char textZ[ENC_MSG_LEN];
-char ct[ENC_MSG_LEN];
-int ret;
-int j;
-
-int n = strlen(text) / ENC_MSG_LEN;
-int r = strlen(text) % ENC_MSG_LEN;
-
 BLOWFISH_CTX ctx;
 EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
 
-for (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);
-    ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
-    if (ret <= 0)
+    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 + j*ENC_MSG_LEN, ENC_MSG_LEN);
-
-EnDecodeInit(password.c_str(), PASSWD_LEN, &ctx);
-
-EncodeString(ct, textZ, &ctx);
-ret = send(outerSocket, ct, ENC_MSG_LEN, 0);
-if (ret <= 0)
-    {
-    errorMsg = SEND_DATA_ERROR;
-    return st_send_fail;
+    pos += ENC_MSG_LEN;
     }
 
 return st_ok;
 }
 //---------------------------------------------------------------------------
-int NETTRANSACT::TxData(char * data)
-{
-char buff[ENC_MSG_LEN];
-char buffS[ENC_MSG_LEN];
-char passwd[ADM_PASSWD_LEN];
-
-memset(passwd, 0, ADM_PASSWD_LEN);
-strncpy(passwd, password.c_str(), ADM_PASSWD_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);
-    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);
@@ -438,7 +366,7 @@ while (true)
 
     bool final = false;
     size_t pos = 0;
-    for (; pos < ENC_MSG_LEN && buffer[pos] != 0; pos++);
+    for (; pos < ENC_MSG_LEN && buffer[pos] != 0; pos++) ;
     if (pos < ENC_MSG_LEN && buffer[pos] == 0)
         final = true;
 
@@ -447,8 +375,8 @@ 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();
         }
@@ -457,15 +385,3 @@ while (true)
         return st_ok;
     }
 }
-//---------------------------------------------------------------------------
-void NETTRANSACT::SetRxCallback(void * data, RxCallback_t cb)
-{
-RxCallBack = cb;
-dataRxCallBack = data;
-}
-//---------------------------------------------------------------------------
-const std::string & NETTRANSACT::GetError() const
-{
-return errorMsg;
-}
-//---------------------------------------------------------------------------