remove some raises of exceptions when it is notereally pleasant for the user

Author: Cylix

sources/network/tcp_client.cpp

@@ -21,7 +21,7 @@ tcp_client::~tcp_client(void) {
 void
 tcp_client::connect(const std::string& host, unsigned int port) {
     if (m_is_connected)
-        throw redis_error("Already connected");
+      return ;
 
     std::condition_variable conn_cond_var;
 
@@ -55,7 +55,7 @@ tcp_client::connect(const std::string& host, unsigned int port) {
 void
 tcp_client::disconnect(void) {
     if (not m_is_connected)
-        throw redis_error("Not connected");
+      return ;
 
     m_is_connected = false;
 

sources/redis_subscriber.cpp

@@ -57,7 +57,7 @@ redis_subscriber::unsubscribe(const std::string& channel) {
 
     auto it = m_subscribed_channels.find(channel);
     if (it == m_subscribed_channels.end())
-        throw redis_error("Not subscribed to channel " + channel);
+      return ;
 
     m_client.send({ "UNSUBSCRIBE", channel });
     m_subscribed_channels.erase(it);
@@ -69,7 +69,7 @@ redis_subscriber::punsubscribe(const std::string& pattern) {
 
     auto it = m_psubscribed_channels.find(pattern);
     if (it == m_psubscribed_channels.end())
-        throw redis_error("Not psubscribed to pattern " + pattern);
+      return ;
 
     m_client.send({ "PUNSUBSCRIBE", pattern });
     m_psubscribed_channels.erase(it);