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authorFlorent Le Coz <louiz@louiz.org>2013-11-02 16:04:10 +0100
committerFlorent Le Coz <louiz@louiz.org>2013-11-02 16:04:10 +0100
commit4027ef8c00ee2a5b808c11c7f3ae50cda117d92a (patch)
treecce962840cc301e98a26ad4679b163f044db1af0 /src
parent64c1b28ce211f899ca0fbcae5049532e129f19c1 (diff)
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Basic IRC message parsing/sending
Diffstat (limited to 'src')
-rw-r--r--src/libirc/irc_client.cpp66
-rw-r--r--src/libirc/irc_client.hpp24
-rw-r--r--src/network/poller.cpp34
-rw-r--r--src/network/poller.hpp10
4 files changed, 129 insertions, 5 deletions
diff --git a/src/libirc/irc_client.cpp b/src/libirc/irc_client.cpp
index a29e588..2780b3c 100644
--- a/src/libirc/irc_client.cpp
+++ b/src/libirc/irc_client.cpp
@@ -1,4 +1,5 @@
#include <libirc/irc_client.hpp>
+#include <libirc/irc_message.hpp>
#include <network/poller.hpp>
#include <utils/scopeguard.hpp>
@@ -41,6 +42,18 @@ void IrcClient::on_recv()
void IrcClient::on_send()
{
+ const ssize_t res = ::send(this->socket, this->out_buf.data(), this->out_buf.size(), 0);
+ if (res == -1)
+ {
+ perror("send");
+ this->close();
+ }
+ else
+ {
+ this->out_buf = this->out_buf.substr(res, std::string::npos);
+ if (this->out_buf.empty())
+ this->poller->stop_watching_send_events(this);
+ }
}
socket_t IrcClient::get_socket() const
@@ -75,6 +88,7 @@ void IrcClient::connect(const std::string& address, const std::string& port)
if (::connect(this->socket, rp->ai_addr, rp->ai_addrlen) == 0)
{
std::cout << "Connection success." << std::endl;
+ this->on_connected();
return ;
}
std::cout << "Connection failed:" << std::endl;
@@ -84,6 +98,10 @@ void IrcClient::connect(const std::string& address, const std::string& port)
this->close();
}
+void IrcClient::on_connected()
+{
+}
+
void IrcClient::on_connection_close()
{
std::cout << "Connection closed by remote server." << std::endl;
@@ -98,5 +116,51 @@ void IrcClient::close()
void IrcClient::parse_in_buffer()
{
- std::cout << "Parsing: [" << this->in_buf << "]" << std::endl;
+ while (true)
+ {
+ auto pos = this->in_buf.find("\r\n");
+ if (pos == std::string::npos)
+ break ;
+ IrcMessage message(this->in_buf.substr(0, pos));
+ this->in_buf = this->in_buf.substr(pos + 2, std::string::npos);
+ std::cout << message << std::endl;
+ }
+}
+
+void IrcClient::send_message(IrcMessage&& message)
+{
+ std::string res;
+ if (!message.prefix.empty())
+ res += ":" + std::move(message.prefix) + " ";
+ res += std::move(message.command);
+ for (const std::string& arg: message.arguments)
+ {
+ if (arg.find(" ") != std::string::npos)
+ {
+ res += " :" + arg;
+ break;
+ }
+ res += " " + arg;
+ }
+ res += "\r\n";
+ this->out_buf += res;
+ if (!this->out_buf.empty())
+ {
+ this->poller->watch_send_events(this);
+ }
+}
+
+void IrcClient::send_user_command(const std::string& username, const std::string& realname)
+{
+ this->send_message(IrcMessage("USER", {username, "NONE", "NONE", realname}));
+}
+
+void IrcClient::send_nick_command(const std::string& nick)
+{
+ this->send_message(IrcMessage("NICK", {nick}));
+}
+
+void IrcClient::send_join_command(const std::string& chan_name)
+{
+ this->send_message(IrcMessage("JOIN", {chan_name}));
}
diff --git a/src/libirc/irc_client.hpp b/src/libirc/irc_client.hpp
index 73e7efd..d1ecbd5 100644
--- a/src/libirc/irc_client.hpp
+++ b/src/libirc/irc_client.hpp
@@ -1,6 +1,8 @@
#ifndef IRC_CLIENT_INCLUDED
# define IRC_CLIENT_INCLUDED
+#include <libirc/irc_message.hpp>
+
#include <network/socket_handler.hpp>
#include <string>
@@ -31,6 +33,10 @@ public:
*/
void connect(const std::string& address, const std::string& port);
/**
+ * Called when successfully connected to the server
+ */
+ void on_connected();
+ /**
* Close the connection, remove us from the poller
*/
void close();
@@ -43,6 +49,24 @@ public:
* complete messages from it.
*/
void parse_in_buffer();
+ /**
+ * Serialize the given message into a line, and send that into the socket
+ * (actually, into our out_buf and signal the poller that we want to wach
+ * for send events to be ready)
+ */
+ void send_message(IrcMessage&& message);
+ /**
+ * Send the USER irc command
+ */
+ void send_user_command(const std::string& username, const std::string& realname);
+ /**
+ * Send the NICK irc command
+ */
+ void send_nick_command(const std::string& username);
+ /**
+ * Send the JOIN irc command
+ */
+ void send_join_command(const std::string& chan_name);
private:
socket_t socket;
diff --git a/src/network/poller.cpp b/src/network/poller.cpp
index c7d9eb2..7ab8bc3 100644
--- a/src/network/poller.cpp
+++ b/src/network/poller.cpp
@@ -59,12 +59,39 @@ void Poller::remove_socket_handler(const socket_t socket)
}
}
+void Poller::watch_send_events(const SocketHandler* const socket_handler)
+{
+#if POLLER == POLL
+ for (size_t i = 0; i <= this->nfds; ++i)
+ {
+ if (this->fds[i].fd == socket_handler->get_socket())
+ {
+ this->fds[i].events = POLLIN|POLLOUT;
+ return;
+ }
+ }
+#endif
+ throw std::runtime_error("Cannot watch a non-registered socket for send events");
+}
+
+void Poller::stop_watching_send_events(const SocketHandler* const socket_handler)
+{
+#if POLLER == POLL
+ for (size_t i = 0; i <= this->nfds; ++i)
+ {
+ if (this->fds[i].fd == socket_handler->get_socket())
+ {
+ this->fds[i].events = POLLIN;
+ return;
+ }
+ }
+#endif
+ throw std::runtime_error("Cannot watch a non-registered socket for send events");
+}
+
void Poller::poll()
{
#if POLLER == POLL
- std::cout << "Polling:" << std::endl;
- for (size_t i = 0; i < this->nfds; ++i)
- std::cout << "pollfd[" << i << "]: (" << this->fds[i].fd << ")" << std::endl;
int res = ::poll(this->fds, this->nfds, -1);
if (res < 0)
{
@@ -93,4 +120,3 @@ void Poller::poll()
}
#endif
}
-
diff --git a/src/network/poller.hpp b/src/network/poller.hpp
index 46a184e..64e78e4 100644
--- a/src/network/poller.hpp
+++ b/src/network/poller.hpp
@@ -45,6 +45,16 @@ public:
*/
void remove_socket_handler(const socket_t socket);
/**
+ * Signal the poller that he needs to watch for send events for the given
+ * SocketHandler.
+ */
+ void watch_send_events(const SocketHandler* const socket_handler);
+ /**
+ * Signal the poller that he needs to stop watching for send events for
+ * this SocketHandler.
+ */
+ void stop_watching_send_events(const SocketHandler* const socket_handler);
+ /**
* Wait for all watched events, and call the SocketHandlers' callbacks
* when one is ready.
*/