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preps for future client-only mode,

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jgarzik's initial download speedup

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@195 1a98c847-1fd6-4fd8-948a-caf3550aa51b
This commit is contained in:
s_nakamoto
2010-12-05 09:29:30 +00:00
parent bdde31d787
commit f03304a9c7
6 changed files with 165 additions and 29 deletions
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76
irc.cpp
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@@ -173,6 +173,68 @@ bool Wait(int nSeconds)
return true;
}
bool RecvCodeLine(SOCKET hSocket, const char* psz1, string& strRet)
{
strRet.clear();
loop
{
string strLine;
if (!RecvLineIRC(hSocket, strLine))
return false;
vector<string> vWords;
ParseString(strLine, ' ', vWords);
if (vWords.size() < 2)
continue;
if (vWords[1] == psz1)
{
printf("IRC %s\n", strLine.c_str());
strRet = strLine;
return true;
}
}
}
bool GetIPFromIRC(SOCKET hSocket, string strMyName, unsigned int& ipRet)
{
Send(hSocket, strprintf("USERHOST %s\r", strMyName.c_str()).c_str());
string strLine;
if (!RecvCodeLine(hSocket, "302", strLine))
return false;
vector<string> vWords;
ParseString(strLine, ' ', vWords);
if (vWords.size() < 4)
return false;
string str = vWords[3];
if (str.rfind("@") == string::npos)
return false;
string strHost = str.substr(str.rfind("@")+1);
unsigned int a=0, b=0, c=0, d=0;
if (sscanf(strHost.c_str(), "%u.%u.%u.%u", &a, &b, &c, &d) == 4 &&
inet_addr(strHost.c_str()) != INADDR_NONE)
{
printf("GetIPFromIRC() userhost is IP %s\n", strHost.c_str());
ipRet = CAddress(strHost).ip;
}
else
{
printf("GetIPFromIRC() got userhost %s\n", strHost.c_str());
if (fUseProxy)
return false;
struct hostent* phostent = gethostbyname(strHost.c_str());
if (!phostent || !phostent->h_addr_list || !phostent->h_addr_list[0])
return false;
ipRet = *(u_long*)phostent->h_addr_list[0];
}
return true;
}
void ThreadIRCSeed(void* parg)
@@ -265,6 +327,20 @@ void ThreadIRCSeed2(void* parg)
}
Sleep(500);
// Get my external IP from IRC server
CAddress addrFromIRC;
if (GetIPFromIRC(hSocket, strMyName, addrFromIRC.ip))
{
// Just using it as a backup for now
printf("GetIPFromIRC() returned %s\n", addrFromIRC.ToStringIP().c_str());
if (addrFromIRC.IsRoutable() && !fUseProxy && !addrLocalHost.IsRoutable())
{
addrLocalHost.ip = addrFromIRC.ip;
strMyName = EncodeAddress(addrLocalHost);
Send(hSocket, strprintf("NICK %s\r", strMyName.c_str()).c_str());
}
}
Send(hSocket, fTestNet ? "JOIN #bitcoinTEST\r" : "JOIN #bitcoin\r");
Send(hSocket, fTestNet ? "WHO #bitcoinTEST\r" : "WHO #bitcoin\r");