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ScrollView: remove custom implementation of GetAddrInfo

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This commit is contained in:
zdenop 2019-05-04 15:16:41 +02:00
parent 9cd60b2b90
commit 57bf215d14
1 changed files with 18 additions and 56 deletions
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74
src/viewer/svutil.cpp
View File

@ -327,60 +327,6 @@ static void TessFreeAddrInfo(struct addrinfo* addr_info) {
}
// Non-linux version of getaddrinfo()
#if !defined(__linux__)
static int GetAddrInfoNonLinux(const char* hostname, int port,
struct addrinfo** addr_info) {
// Get the host data depending on the OS.
struct sockaddr_in* address;
*addr_info = new struct addrinfo;
memset(*addr_info, 0, sizeof(struct addrinfo));
address = new struct sockaddr_in;
memset(address, 0, sizeof(struct sockaddr_in));
(*addr_info)->ai_addr = (struct sockaddr*) address;
(*addr_info)->ai_addrlen = sizeof(struct sockaddr);
(*addr_info)->ai_family = AF_INET;
(*addr_info)->ai_socktype = SOCK_STREAM;
struct hostent *name;
#ifdef _WIN32
WSADATA wsaData;
WSAStartup(MAKEWORD(1, 1), &wsaData);
name = gethostbyname(hostname);
#else
name = gethostbyname(hostname);
#endif
if (name == nullptr) {
TessFreeAddrInfo(*addr_info);
*addr_info = nullptr;
return -1;
}
// Fill in the appropriate variables to be able to connect to the server.
address->sin_family = name->h_addrtype;
memcpy(&address->sin_addr.s_addr, name->h_addr_list[0], name->h_length);
address->sin_port = htons(port);
return 0;
}
#endif
// Platform independent version of getaddrinfo()
// Given a hostname:port, produce an addrinfo struct
static int GetAddrInfo(const char* hostname, int port,
struct addrinfo** address) {
#if defined(__linux__)
char port_str[40];
snprintf(port_str, 40, "%d", port);
return getaddrinfo(hostname, port_str, nullptr, address);
#else
return GetAddrInfoNonLinux(hostname, port, address);
#endif
}
// Set up a connection to a ScrollView on hostname:port.
SVNetwork::SVNetwork(const char* hostname, int port) {
msg_buffer_in_ = new char[kMaxMsgSize + 1];
@ -390,10 +336,23 @@ SVNetwork::SVNetwork(const char* hostname, int port) {
buffer_ptr_ = nullptr;
struct addrinfo *addr_info = nullptr;
char port_str[40];
snprintf(port_str, 40, "%d", port);
#ifdef _WIN32
// Initialize Winsock
WSADATA wsaData;
int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != 0) {
std::cerr << "WSAStartup failed: " << iResult << std::endl;
}
#endif // _WIN32
if (GetAddrInfo(hostname, port, &addr_info) != 0) {
if (getaddrinfo(hostname, port_str, nullptr, &addr_info) != 0) {
std::cerr << "Error resolving name for ScrollView host "
<< std::string(hostname) << ":" << port << std::endl;
#ifdef _WIN32
WSACleanup();
#endif // _WIN32
}
stream_ = socket(addr_info->ai_family, addr_info->ai_socktype,
@ -442,7 +401,10 @@ SVNetwork::SVNetwork(const char* hostname, int port) {
}
}
}
TessFreeAddrInfo(addr_info);
#ifdef _WIN32
// WSACleanup(); // This cause ScrollView windows is not displayed
#endif // _WIN32
freeaddrinfo(addr_info);
}
SVNetwork::~SVNetwork() {