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-rw-r--r--include/salticidae/conn.h2
-rw-r--r--include/salticidae/network.h31
-rw-r--r--include/salticidae/util.h2
-rw-r--r--test/test_p2p.cpp106
4 files changed, 111 insertions, 30 deletions
diff --git a/include/salticidae/conn.h b/include/salticidae/conn.h
index 546df5f..62825db 100644
--- a/include/salticidae/conn.h
+++ b/include/salticidae/conn.h
@@ -266,7 +266,7 @@ class ConnPool {
protected:
conn_t _connect(const NetAddr &addr);
void _listen(NetAddr listen_addr);
- void recoverable_error(const std::exception_ptr err) {
+ void recoverable_error(const std::exception_ptr err) const {
user_tcall->async_call([this, err](ThreadCall::Handle &) {
if (error_cb) {
try {
diff --git a/include/salticidae/network.h b/include/salticidae/network.h
index 14d270f..1095c89 100644
--- a/include/salticidae/network.h
+++ b/include/salticidae/network.h
@@ -426,6 +426,7 @@ class PeerNetwork: public MsgNetwork<OpcodeType> {
~PeerNetwork() { this->stop_workers(); }
void add_peer(const NetAddr &paddr);
+ void del_peer(const NetAddr &paddr);
bool has_peer(const NetAddr &paddr) const;
const conn_t get_peer_conn(const NetAddr &paddr) const;
using MsgNet::send_msg;
@@ -725,6 +726,23 @@ void PeerNetwork<O, _, __>::add_peer(const NetAddr &addr) {
throw PeerNetworkError(SALTI_ERROR_PEER_ALREADY_EXISTS);
id2peer.insert(std::make_pair(addr, new Peer(addr, nullptr, this->disp_ec)));
start_active_conn(addr);
+ } catch (const PeerNetworkError &) {
+ this->recoverable_error(std::current_exception());
+ } catch (...) { this->disp_error_cb(std::current_exception()); }
+ });
+}
+
+template<typename O, O _, O __>
+void PeerNetwork<O, _, __>::del_peer(const NetAddr &addr) {
+ this->disp_tcall->async_call([this, addr](ThreadCall::Handle &) {
+ try {
+ auto it = id2peer.find(addr);
+ if (it == id2peer.end())
+ throw PeerNetworkError(SALTI_ERROR_PEER_NOT_EXIST);
+ it->second->conn->disp_terminate();
+ id2peer.erase(it);
+ } catch (const PeerNetworkError &) {
+ this->recoverable_error(std::current_exception());
} catch (...) { this->disp_error_cb(std::current_exception()); }
});
}
@@ -739,8 +757,10 @@ PeerNetwork<O, _, __>::get_peer_conn(const NetAddr &paddr) const {
try {
auto it = id2peer.find(paddr);
if (it == id2peer.end())
- throw PeerNetworkError(SALTI_ERROR_PEER_NOT_EXISTS);
+ throw PeerNetworkError(SALTI_ERROR_PEER_NOT_EXIST);
conn = it->second->conn;
+ } catch (const PeerNetworkError &) {
+ this->recoverable_error(std::current_exception());
} catch (...) {
err = std::current_exception();
}
@@ -771,8 +791,10 @@ void PeerNetwork<O, _, __>::_send_msg(Msg &&msg, const NetAddr &paddr) {
try {
auto it = id2peer.find(paddr);
if (it == id2peer.end())
- throw PeerNetworkError(SALTI_ERROR_PEER_NOT_EXISTS);
+ throw PeerNetworkError(SALTI_ERROR_PEER_NOT_EXIST);
this->_send_msg_dispatcher(msg, it->second->conn);
+ } catch (const PeerNetworkError &) {
+ this->recoverable_error(std::current_exception());
} catch (...) { this->recoverable_error(std::current_exception()); }
});
}
@@ -792,9 +814,11 @@ void PeerNetwork<O, _, __>::_multicast_msg(Msg &&msg, const std::vector<NetAddr>
{
auto it = id2peer.find(addr);
if (it == id2peer.end())
- throw PeerNetworkError(SALTI_ERROR_PEER_NOT_EXISTS);
+ throw PeerNetworkError(SALTI_ERROR_PEER_NOT_EXIST);
this->_send_msg_dispatcher(msg, it->second->conn);
}
+ } catch (const PeerNetworkError &) {
+ this->recoverable_error(std::current_exception());
} catch (...) { this->recoverable_error(std::current_exception()); }
});
}
@@ -925,6 +949,7 @@ msgnetwork_config_t *peernetwork_config_as_msgnetwork_config(peernetwork_config_
peernetwork_t *peernetwork_new(const eventcontext_t *ec, const peernetwork_config_t *config);
void peernetwork_free(const peernetwork_t *self);
void peernetwork_add_peer(peernetwork_t *self, const netaddr_t *paddr);
+void peernetwork_del_peer(peernetwork_t *self, const netaddr_t *paddr);
bool peernetwork_has_peer(const peernetwork_t *self, const netaddr_t *paddr);
const peernetwork_conn_t *peernetwork_get_peer_conn(const peernetwork_t *self, const netaddr_t *paddr);
msgnetwork_t *peernetwork_as_msgnetwork(peernetwork_t *self);
diff --git a/include/salticidae/util.h b/include/salticidae/util.h
index 0ddf5be..41f681c 100644
--- a/include/salticidae/util.h
+++ b/include/salticidae/util.h
@@ -60,7 +60,7 @@ enum SalticidaeErrorCode {
SALTI_ERROR_LISTEN,
SALTI_ERROR_CONNECT,
SALTI_ERROR_PEER_ALREADY_EXISTS,
- SALTI_ERROR_PEER_NOT_EXISTS,
+ SALTI_ERROR_PEER_NOT_EXIST,
SALTI_ERROR_NETADDR_INVALID,
SALTI_ERROR_OPTVAL_INVALID,
SALTI_ERROR_OPTNAME_ALREADY_EXISTS,
diff --git a/test/test_p2p.cpp b/test/test_p2p.cpp
index 1510f8e..28bab10 100644
--- a/test/test_p2p.cpp
+++ b/test/test_p2p.cpp
@@ -49,24 +49,25 @@ struct Net {
ThreadCall tc;
std::thread th;
PeerNetwork<uint8_t> *net;
+ const std::string listen_addr;
- Net(uint64_t id, const std::string &listen_addr): id(id), tc(ec) {
+ Net(uint64_t id, uint16_t port): id(id), tc(ec), listen_addr("127.0.0.1:"+ std::to_string(port)) {
net = new salticidae::PeerNetwork<uint8_t>(
ec,
salticidae::PeerNetwork<uint8_t>::Config().conn_timeout(5).ping_period(2));
net->reg_error_handler([this](const std::exception &err, bool fatal) {
- SALTICIDAE_LOG_WARN("net %lu: captured %s error: %s", this->id, fatal ? "fatal" : "recoverable", err.what());
+ fprintf(stdout, "net %lu: captured %s error during an async call: %s\n", this->id, fatal ? "fatal" : "recoverable", err.what());
});
th = std::thread([=](){
try {
net->start();
net->listen(NetAddr(listen_addr));
- SALTICIDAE_LOG_INFO("net %lu: listen to %s\n", id, listen_addr.c_str());
+ fprintf(stdout, "net %lu: listen to %s\n", id, listen_addr.c_str());
ec.dispatch();
} catch (std::exception &err) {
- SALTICIDAE_LOG_WARN("net %lu: got error during a sync call: %s", id, err.what());
+ fprintf(stdout, "net %lu: got error during a sync call: %s\n", id, err.what());
}
- SALTICIDAE_LOG_INFO("net %lu: main loop ended\n", id);
+ fprintf(stdout, "net %lu: main loop ended\n", id);
});
}
@@ -74,7 +75,15 @@ struct Net {
try {
net->add_peer(NetAddr(listen_addr));
} catch (std::exception &err) {
- fprintf(stderr, "net %lu: got error during a sync call: %s\n", id, err.what());
+ fprintf(stdout, "net %lu: got error during a sync call: %s\n", id, err.what());
+ }
+ }
+
+ void del_peer(const std::string &listen_addr) {
+ try {
+ net->del_peer(NetAddr(listen_addr));
+ } catch (std::exception &err) {
+ fprintf(stdout, "net %lu: got error during a sync call: %s\n", id, err.what());
}
}
@@ -96,15 +105,15 @@ int read_int(char *buff) {
if (t < 0) throw std::invalid_argument("negative");
return t;
} catch (std::invalid_argument) {
- fprintf(stderr, "expect a non-negative integer\n");
+ fprintf(stdout, "expect a non-negative integer\n");
return -1;
}
}
int main(int argc, char **argv) {
int i;
- fprintf(stderr, "p2p network library playground (type h for help)\n");
- fprintf(stderr, "================================================\n");
+ fprintf(stdout, "p2p network library playground (type help for more info)\n");
+ fprintf(stdout, "========================================================\n");
auto cmd_exit = [](char *) {
for (auto &p: nets)
@@ -112,30 +121,36 @@ int main(int argc, char **argv) {
exit(0);
};
- auto cmd_net = [](char *buff) {
+ auto cmd_add = [](char *buff) {
int id = read_int(buff);
if (id < 0) return;
if (nets.count(id))
{
- fprintf(stderr, "net id already exists");
+ fprintf(stdout, "net id already exists\n");
+ return;
+ }
+ int port = read_int(buff);
+ if (port < 0) return;
+ if (port >= 65536)
+ {
+ fprintf(stdout, "port should be < 65536\n");
return;
}
- scanf("%64s", buff);
- nets.insert(std::make_pair(id, new Net(id, buff)));
+ nets.insert(std::make_pair(id, new Net(id, port)));
};
auto cmd_ls = [](char *) {
for (auto &p: nets)
- fprintf(stderr, "%d\n", p.first);
+ fprintf(stdout, "%d\n", p.first);
};
- auto cmd_rm = [](char *buff) {
+ auto cmd_del = [](char *buff) {
int id = read_int(buff);
if (id < 0) return;
auto it = nets.find(id);
if (it == nets.end())
{
- fprintf(stderr, "net id does not exist\n");
+ fprintf(stdout, "net id does not exist\n");
return;
}
it->second->stop_join();
@@ -149,27 +164,68 @@ int main(int argc, char **argv) {
auto it = nets.find(id);
if (it == nets.end())
{
- fprintf(stderr, "net id does not exist\n");
+ fprintf(stdout, "net id does not exist\n");
return;
}
- scanf("%64s", buff);
- it->second->add_peer(buff);
+ int id2 = read_int(buff);
+ if (id2 < 0) return;
+ auto it2 = nets.find(id2);
+ if (it2 == nets.end())
+ {
+ fprintf(stdout, "net id does not exist\n");
+ return;
+ }
+ it->second->add_peer(it2->second->listen_addr);
};
- cmd_map.insert(std::make_pair("exit", cmd_exit));
- cmd_map.insert(std::make_pair("net", cmd_net));
- cmd_map.insert(std::make_pair("ls", cmd_ls));
- cmd_map.insert(std::make_pair("rm", cmd_rm));
+ auto cmd_delpeer = [](char *buff) {
+ int id = read_int(buff);
+ if (id < 0) return;
+ auto it = nets.find(id);
+ if (it == nets.end())
+ {
+ fprintf(stdout, "net id does not exist\n");
+ return;
+ }
+ int id2 = read_int(buff);
+ if (id2 < 0) return;
+ auto it2 = nets.find(id2);
+ if (it2 == nets.end())
+ {
+ fprintf(stdout, "net id does not exist\n");
+ return;
+ }
+ it->second->del_peer(it2->second->listen_addr);
+ };
+
+ auto cmd_help = [](char *) {
+ fprintf(stdout,
+ "add <node-id> <port> -- start a node (create a PeerNetwork instance)\n"
+ "addpeer <node-id> <peer-id> -- add a peer to a given node\n"
+ "rmpeer <node-id> <peer-id> -- add a peer to a given node\n"
+ "rm <node-id> -- remove a node (destroy a PeerNetwork instance)\n"
+ "ls -- list all node ids\n"
+ "exit -- quit the program\n"
+ "help -- show this info\n"
+ );
+ };
+
+ cmd_map.insert(std::make_pair("add", cmd_add));
cmd_map.insert(std::make_pair("addpeer", cmd_addpeer));
+ cmd_map.insert(std::make_pair("del", cmd_del));
+ cmd_map.insert(std::make_pair("delpeer", cmd_delpeer));
+ cmd_map.insert(std::make_pair("ls", cmd_ls));
+ cmd_map.insert(std::make_pair("exit", cmd_exit));
+ cmd_map.insert(std::make_pair("help", cmd_help));
for (;;)
{
- fprintf(stderr, "> ");
+ fprintf(stdout, "> ");
char buff[128];
if (scanf("%64s", buff) == EOF) break;
auto it = cmd_map.find(buff);
if (it == cmd_map.end())
- fprintf(stderr, "invalid comand \"%s\"\n", buff);
+ fprintf(stdout, "invalid comand \"%s\"\n", buff);
else
(it->second)(buff);
}