Implement StatusTuple class instead of using std::tuple

linux-kern · Nov 30, 2016 · 13ebe8e · 13ebe8e
1 parent f5dce2c
commit 13ebe8e
Show file tree

Hide file tree

Showing 13 changed files with 248 additions and 247 deletions.
diff --git a/examples/cpp/CPUDistribution.cc b/examples/cpp/CPUDistribution.cc
@@ -61,15 +61,15 @@ int task_switch_event(struct pt_regs *ctx, struct task_struct *prev) {
 int main(int argc, char** argv) {
  ebpf::BPF bpf;
  auto init_res = bpf.init(BPF_PROGRAM);
- if (std::get<0>(init_res) != 0) {
- std::cerr << std::get<1>(init_res) << std::endl;
+ if (init_res.code() != 0) {
+ std::cerr << init_res.msg() << std::endl;
  return 1;
  }
 
  auto attach_res =
  bpf.attach_kprobe("finish_task_switch", "task_switch_event");
- if (std::get<0>(attach_res) != 0) {
- std::cerr << std::get<1>(attach_res) << std::endl;
+ if (attach_res.code() != 0) {
+ std::cerr << attach_res.msg() << std::endl;
  return 1;
  }
 
@@ -88,8 +88,8 @@ int main(int argc, char** argv) {
  }
 
  auto detach_res = bpf.detach_kprobe("finish_task_switch");
- if (std::get<0>(detach_res) != 0) {
- std::cerr << std::get<1>(detach_res) << std::endl;
+ if (detach_res.code() != 0) {
+ std::cerr << detach_res.msg() << std::endl;
  return 1;
  }
 

diff --git a/examples/cpp/HelloWorld.cc b/examples/cpp/HelloWorld.cc
@@ -20,17 +20,17 @@ int on_sys_clone(void *ctx) {
 int main() {
  ebpf::BPF bpf;
  auto init_res = bpf.init(BPF_PROGRAM);
- if (std::get<0>(init_res) != 0) {
- std::cerr << std::get<1>(init_res) << std::endl;
+ if (init_res.code() != 0) {
+ std::cerr << init_res.msg() << std::endl;
  return 1;
  }
 
  std::ifstream pipe("/sys/kernel/debug/tracing/trace_pipe");
  std::string line;
 
  auto attach_res = bpf.attach_kprobe("sys_clone", "on_sys_clone");
- if (std::get<0>(attach_res) != 0) {
- std::cerr << std::get<1>(attach_res) << std::endl;
+ if (attach_res.code() != 0) {
+ std::cerr << attach_res.msg() << std::endl;
  return 1;
  }
 
@@ -39,8 +39,8 @@ int main() {
  std::cout << line << std::endl;
  // Detach the probe if we got at least one line.
  auto detach_res = bpf.detach_kprobe("sys_clone");
- if (std::get<0>(detach_res) != 0) {
- std::cerr << std::get<1>(detach_res) << std::endl;
+ if (detach_res.code() != 0) {
+ std::cerr << detach_res.msg() << std::endl;
  return 1;
  }
  break;

diff --git a/examples/cpp/RandomRead.cc b/examples/cpp/RandomRead.cc
@@ -70,21 +70,21 @@ void signal_handler(int s) {
 int main(int argc, char** argv) {
  bpf = new ebpf::BPF();
  auto init_res = bpf->init(BPF_PROGRAM);
- if (std::get<0>(init_res) != 0) {
- std::cerr << std::get<1>(init_res) << std::endl;
+ if (init_res.code() != 0) {
+ std::cerr << init_res.msg() << std::endl;
  return 1;
  }
 
  auto attach_res =
  bpf->attach_tracepoint("random:urandom_read", "on_urandom_read");
- if (std::get<0>(attach_res) != 0) {
- std::cerr << std::get<1>(attach_res) << std::endl;
+ if (attach_res.code() != 0) {
+ std::cerr << attach_res.msg() << std::endl;
  return 1;
  }
 
  auto open_res = bpf->open_perf_buffer("events", &handle_output);
- if (std::get<0>(open_res) != 0) {
- std::cerr << std::get<1>(open_res) << std::endl;
+ if (open_res.code() != 0) {
+ std::cerr << open_res.msg() << std::endl;
  return 1;
  }
 

diff --git a/examples/cpp/RecordMySQLQuery.cc b/examples/cpp/RecordMySQLQuery.cc
@@ -63,15 +63,15 @@ int main(int argc, char** argv) {
 
  ebpf::BPF bpf;
  auto init_res = bpf.init(BPF_PROGRAM);
- if (std::get<0>(init_res) != 0) {
- std::cerr << std::get<1>(init_res) << std::endl;
+ if (init_res.code() != 0) {
+ std::cerr << init_res.msg() << std::endl;
  return 1;
  }
 
  auto attach_res =
  bpf.attach_uprobe(mysql_path, ALLOC_QUERY_FUNC, "probe_mysql_query");
- if (std::get<0>(attach_res) != 0) {
- std::cerr << std::get<1>(attach_res) << std::endl;
+ if (attach_res.code() != 0) {
+ std::cerr << attach_res.msg() << std::endl;
  return 1;
  }
 
@@ -94,8 +94,8 @@ int main(int argc, char** argv) {
  }
 
  auto detach_res = bpf.detach_uprobe(mysql_path, ALLOC_QUERY_FUNC);
- if (std::get<0>(detach_res) != 0) {
- std::cerr << std::get<1>(detach_res) << std::endl;
+ if (detach_res.code() != 0) {
+ std::cerr << detach_res.msg() << std::endl;
  return 1;
  }
 

diff --git a/examples/cpp/TCPSendStack.cc b/examples/cpp/TCPSendStack.cc
@@ -58,14 +58,14 @@ struct stack_key_t {
 int main(int argc, char** argv) {
  ebpf::BPF bpf;
  auto init_res = bpf.init(BPF_PROGRAM);
- if (std::get<0>(init_res) != 0) {
- std::cerr << std::get<1>(init_res) << std::endl;
+ if (init_res.code() != 0) {
+ std::cerr << init_res.msg() << std::endl;
  return 1;
  }
 
  auto attach_res = bpf.attach_kprobe("tcp_sendmsg", "on_tcp_send");
- if (std::get<0>(attach_res) != 0) {
- std::cerr << std::get<1>(attach_res) << std::endl;
+ if (attach_res.code() != 0) {
+ std::cerr << attach_res.msg() << std::endl;
  return 1;
  }
 
@@ -105,8 +105,8 @@ int main(int argc, char** argv) {
  }
 
  auto detach_res = bpf.detach_kprobe("tcp_sendmsg");
- if (std::get<0>(detach_res) != 0) {
- std::cerr << std::get<1>(detach_res) << std::endl;
+ if (detach_res.code() != 0) {
+ std::cerr << detach_res.msg() << std::endl;
  return 1;
  }