//
-// Open Service Platform
// Copyright (c) 2012 Samsung Electronics Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the License);
_IpcClient::_IpcClient(void)
: __pReverseSource(null)
+ , __fdCount(0)
, __pFdLock(null)
, __pListener(null)
{
struct HelloMessage
{
int pid;
- int reverse;
+ bool reverse;
+ char appId[256];
};
result
socklen_t serverLen = 0;
int client = -1;
int ret = 0;
+ int retry = 0;
HelloMessage helloMessage = {0, 0};
std::string socketName;
char* pSocketName = null;
socketNameLength = socketName.size() + 1;
SysTryReturnResult(NID_IO, socketNameLength < 108, E_INVALID_ARG, "Server name is too long.");
+ if (__fdCount == 0)
+ {
+ // Set an appId
+ String appId = _AppInfo::GetApplicationId();
+ int length = (appId.GetLength() + 1) * sizeof(wchar_t);
+ if (length > 255)
+ {
+ length = 255;
+ }
+
+ SysTryReturnResult(NID_IO, appId.GetLength() > 0, E_SYSTEM, "AppId dose not exist.");
+
+ memcpy(helloMessage.appId, appId.GetPointer(), length);
+ }
+
client = socket(AF_UNIX, SOCK_STREAM, 0);
SysTryCatch(NID_IO, client != -1, r = E_SYSTEM, E_SYSTEM, "[E_SYSTEM] Failed to create a socket : %s.", strerror(errno));
strncpy(server.sun_path, socketName.c_str(), socketNameLength);
serverLen = sizeof(server);
- ret = connect(client, (struct sockaddr*) &server, serverLen);
- if (ret != 0)
+ // Retry if the server is not ready
+ retry = 5;
+ while (retry > 0)
+ {
+ ret = connect(client, (struct sockaddr*) &server, serverLen);
+ if (ret < 0 && errno == ENOENT)
+ {
+ SysLog(NID_IO, "The server is not ready. %d", retry);
+
+ usleep(1000 * 1000);
+
+ --retry;
+ }
+ else
+ {
+ break;
+ }
+ }
+
+ if (ret < 0)
{
SysTryCatch(NID_IO, errno == EINPROGRESS, r = E_SYSTEM, E_SYSTEM, "[E_SYSTEM] Failed to connect to server(%s) : %s",
socketName.c_str(), strerror(errno));
}
else
{
+ ++__fdCount;
+
ReleaseFd(client);
}
while (remain > 0)
{
written = write(fd, (char*) pData, remain);
+ if (written < 0)
+ {
+ ReleaseFd(fd);
+
+ if (errno == EAGAIN)
+ {
+ SysLogException(NID_IO, E_RESOURCE_UNAVAILABLE, "[E_RESOURCE_UNAVAILABLE] The socket buffer is full.");
+ return E_RESOURCE_UNAVAILABLE;
+ }
+
+ SysLogException(NID_IO, E_SYSTEM, "[E_SYSTEM] Failed to send a request: %d, %s", errno, strerror(errno));
+ return E_SYSTEM;
+ }
+
remain -= written;
pData += written;
}
std::string message;
- struct pollfd pfd;
-
IPC::Message* pReply = null;
MessageReplyDeserializer* pReplyDeserializer = null;
IPC::SyncMessage* pSyncMessage = dynamic_cast <IPC::SyncMessage*>(pMessage);
while (remain > 0)
{
written = write(fd, (char*) pData, remain);
+ if (written < 0)
+ {
+ ReleaseFd(fd);
+
+ if (errno == EAGAIN)
+ {
+ SysLogException(NID_IO, E_RESOURCE_UNAVAILABLE, "[E_RESOURCE_UNAVAILABLE] The socket buffer is full.");
+ return E_RESOURCE_UNAVAILABLE;
+ }
+
+ SysLogException(NID_IO, E_SYSTEM, "[E_SYSTEM] Failed to send a request: %d, %s", errno, strerror(errno));
+ return E_SYSTEM;
+ }
+
remain -= written;
pData += written;
}
// Wait reply
+ struct pollfd pfd;
+
pfd.fd = fd;
pfd.events = POLLIN | POLLRDHUP;
pfd.revents = 0;
+ int ret = 0;
+
while (true)
{
- poll(&pfd, 1, -1);
+ ret = poll(&pfd, 1, -1);
+ if (ret < 0)
+ {
+ if (errno == EINTR)
+ {
+ continue;
+ }
+
+ SysLogException(NID_IO, E_SYSTEM, "[E_SYSTEM] Failed to poll (%d, %s).", errno, strerror(errno));
+
+ ReleaseFd(fd);
+ return E_SYSTEM;
+ }
if (pfd.revents & POLLRDHUP)
{
+ SysLogException(NID_IO, E_SYSTEM, "[E_SYSTEM] POLLRDHUP");
+
+ ReleaseFd(fd);
return E_SYSTEM;
}
readSize = read(fd, buffer, 1024);
}
- message.append(buffer, readSize);
+ if (readSize > 0)
+ {
+ message.append(buffer, readSize);
+ }
pEndOfMessage = (char*) IPC::Message::FindNext(message.data(), message.data() + message.size());
if (pEndOfMessage)
{
pReply = new (std::nothrow) IPC::Message(message.data(), pEndOfMessage - message.data());
- SysTryReturnResult(NID_IO, pReply != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
+ if (pReply == null)
+ {
+ SysLogException(NID_IO, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
+
+ ReleaseFd(fd);
+ return E_OUT_OF_MEMORY;
+ }
+
break;
}
}