Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	node_report_utils.cc	Lines:	149	176	84.7 %
Date:	2022-08-16 04:20:39	Branches:	62	92	67.4 %


#include "json_utils.h"
#include "node_internals.h"
#include "node_report.h"
#include "util-inl.h"

namespace node {
namespace report {

static constexpr auto null = JSONWriter::Null{};

// Utility function to format socket information.
static void ReportEndpoint(uv_handle_t* h,
                           struct sockaddr* addr,
                           const char* name,
                           JSONWriter* writer) {
  if (addr == nullptr) {
    writer->json_keyvalue(name, null);
    return;
  }

  uv_getnameinfo_t endpoint;
  char* host = nullptr;
  char hostbuf[INET6_ADDRSTRLEN];
  const int family = addr->sa_family;
  const int port = ntohs(family == AF_INET ?
                         reinterpret_cast<sockaddr_in*>(addr)->sin_port :
                         reinterpret_cast<sockaddr_in6*>(addr)->sin6_port);

  if (uv_getnameinfo(h->loop, &endpoint, nullptr, addr, NI_NUMERICSERV) == 0) {
    host = endpoint.host;
    DCHECK_EQ(port, std::stoi(endpoint.service));
  } else {
    const void* src = family == AF_INET ?
                      static_cast<void*>(
                        &(reinterpret_cast<sockaddr_in*>(addr)->sin_addr)) :
                      static_cast<void*>(
                        &(reinterpret_cast<sockaddr_in6*>(addr)->sin6_addr));
    if (uv_inet_ntop(family, src, hostbuf, sizeof(hostbuf)) == 0) {
      host = hostbuf;
    }
  }
  writer->json_objectstart(name);
  if (host != nullptr) {
    writer->json_keyvalue("host", host);
  }
  writer->json_keyvalue("port", port);
  writer->json_objectend();
}

// Utility function to format libuv socket information.
static void ReportEndpoints(uv_handle_t* h, JSONWriter* writer) {
  struct sockaddr_storage addr_storage;
  struct sockaddr* addr = reinterpret_cast<sockaddr*>(&addr_storage);
  uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);
  int addr_size = sizeof(addr_storage);
  int rc = -1;

  switch (h->type) {
    case UV_UDP:
      rc = uv_udp_getsockname(&handle->udp, addr, &addr_size);
      break;
    case UV_TCP:
      rc = uv_tcp_getsockname(&handle->tcp, addr, &addr_size);
      break;
    default:
      break;
  }
  ReportEndpoint(h, rc == 0 ? addr : nullptr,  "localEndpoint", writer);

  switch (h->type) {
    case UV_UDP:
      rc = uv_udp_getpeername(&handle->udp, addr, &addr_size);
      break;
    case UV_TCP:
      rc = uv_tcp_getpeername(&handle->tcp, addr, &addr_size);
      break;
    default:
      break;
  }
  ReportEndpoint(h, rc == 0 ? addr : nullptr, "remoteEndpoint", writer);
}

// Utility function to format libuv pipe information.
static void ReportPipeEndpoints(uv_handle_t* h, JSONWriter* writer) {
  uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);
  MallocedBuffer<char> buffer(0);
  size_t buffer_size = 0;
  int rc = -1;

  // First call to get required buffer size.
  rc = uv_pipe_getsockname(&handle->pipe, buffer.data, &buffer_size);
  if (rc == UV_ENOBUFS) {
    buffer = MallocedBuffer<char>(buffer_size);
    if (buffer.data != nullptr) {
      rc = uv_pipe_getsockname(&handle->pipe, buffer.data, &buffer_size);
    } else {
      buffer_size = 0;
    }
  }
  if (rc == 0 && buffer_size != 0 && buffer.data != nullptr) {
    writer->json_keyvalue("localEndpoint", buffer.data);
  } else {
    writer->json_keyvalue("localEndpoint", null);
  }

  // First call to get required buffer size.
  rc = uv_pipe_getpeername(&handle->pipe, buffer.data, &buffer_size);
  if (rc == UV_ENOBUFS) {
    buffer = MallocedBuffer<char>(buffer_size);
    if (buffer.data != nullptr) {
      rc = uv_pipe_getpeername(&handle->pipe, buffer.data, &buffer_size);
    }
  }
  if (rc == 0 && buffer_size != 0 && buffer.data != nullptr) {
    writer->json_keyvalue("remoteEndpoint", buffer.data);
  } else {
    writer->json_keyvalue("remoteEndpoint", null);
  }
}

// Utility function to format libuv path information.
static void ReportPath(uv_handle_t* h, JSONWriter* writer) {
  MallocedBuffer<char> buffer(0);
  int rc = -1;
  size_t size = 0;
  uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);
  bool wrote_filename = false;
  // First call to get required buffer size.
  switch (h->type) {
    case UV_FS_EVENT:
      rc = uv_fs_event_getpath(&(handle->fs_event), buffer.data, &size);
      break;
    case UV_FS_POLL:
      rc = uv_fs_poll_getpath(&(handle->fs_poll), buffer.data, &size);
      break;
    default:
      break;
  }
  if (rc == UV_ENOBUFS) {
    buffer = MallocedBuffer<char>(size + 1);
    switch (h->type) {
      case UV_FS_EVENT:
        rc = uv_fs_event_getpath(&(handle->fs_event), buffer.data, &size);
        break;
      case UV_FS_POLL:
        rc = uv_fs_poll_getpath(&(handle->fs_poll), buffer.data, &size);
        break;
      default:
        break;
    }
    if (rc == 0) {
      // buffer is not null terminated.
      buffer.data[size] = '\0';
      writer->json_keyvalue("filename", buffer.data);
      wrote_filename = true;
    }
  }
  if (!wrote_filename) writer->json_keyvalue("filename", null);
}

// Utility function to walk libuv handles.
void WalkHandle(uv_handle_t* h, void* arg) {
  const char* type = uv_handle_type_name(h->type);
  JSONWriter* writer = static_cast<JSONWriter*>(arg);
  uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);

  writer->json_start();
  writer->json_keyvalue("type", type);
  writer->json_keyvalue("is_active", static_cast<bool>(uv_is_active(h)));
  writer->json_keyvalue("is_referenced", static_cast<bool>(uv_has_ref(h)));
  writer->json_keyvalue("address",
                        ValueToHexString(reinterpret_cast<uint64_t>(h)));

  switch (h->type) {
    case UV_FS_EVENT:
    case UV_FS_POLL:
      ReportPath(h, writer);
      break;
    case UV_PROCESS:
      writer->json_keyvalue("pid", handle->process.pid);
      break;
    case UV_TCP:
    case UV_UDP:
      ReportEndpoints(h, writer);
      break;
    case UV_NAMED_PIPE:
      ReportPipeEndpoints(h, writer);
      break;
    case UV_TIMER: {
      uint64_t due = handle->timer.timeout;
      uint64_t now = uv_now(handle->timer.loop);
      writer->json_keyvalue("repeat", uv_timer_get_repeat(&handle->timer));
      writer->json_keyvalue("firesInMsFromNow",
                            static_cast<int64_t>(due - now));
      writer->json_keyvalue("expired", now >= due);
      break;
    }
    case UV_TTY: {
      int height, width, rc;
      rc = uv_tty_get_winsize(&(handle->tty), &width, &height);
      if (rc == 0) {
        writer->json_keyvalue("width", width);
        writer->json_keyvalue("height", height);
      }
      break;
    }
    case UV_SIGNAL:
      // SIGWINCH is used by libuv so always appears.
      // See http://docs.libuv.org/en/v1.x/signal.html
      writer->json_keyvalue("signum", handle->signal.signum);
      writer->json_keyvalue("signal", signo_string(handle->signal.signum));
      break;
    default:
      break;
  }

  if (h->type == UV_TCP || h->type == UV_UDP
#ifndef _WIN32
      || h->type == UV_NAMED_PIPE
#endif
  ) {
    // These *must* be 0 or libuv will set the buffer sizes to the non-zero
    // values they contain.
    int send_size = 0;
    int recv_size = 0;
    uv_send_buffer_size(h, &send_size);
    uv_recv_buffer_size(h, &recv_size);
    writer->json_keyvalue("sendBufferSize", send_size);
    writer->json_keyvalue("recvBufferSize", recv_size);
  }

#ifndef _WIN32
  if (h->type == UV_TCP || h->type == UV_NAMED_PIPE || h->type == UV_TTY ||
      h->type == UV_UDP || h->type == UV_POLL) {
    uv_os_fd_t fd_v;
    int rc = uv_fileno(h, &fd_v);

    if (rc == 0) {
      writer->json_keyvalue("fd", static_cast<int>(fd_v));
      switch (fd_v) {
        case STDIN_FILENO:
          writer->json_keyvalue("stdio", "stdin");
          break;
        case STDOUT_FILENO:
          writer->json_keyvalue("stdio", "stdout");
          break;
        case STDERR_FILENO:
          writer->json_keyvalue("stdio", "stderr");
          break;
        default:
          break;
      }
    }
  }
#endif

  if (h->type == UV_TCP || h->type == UV_NAMED_PIPE || h->type == UV_TTY) {
    writer->json_keyvalue("writeQueueSize", handle->stream.write_queue_size);
    writer->json_keyvalue("readable",
                          static_cast<bool>(uv_is_readable(&handle->stream)));
    writer->json_keyvalue("writable",
                          static_cast<bool>(uv_is_writable(&handle->stream)));
  }

  writer->json_end();
}

}  // namespace report
}  // namespace node


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			#include "json_utils.h"
2			#include "node_internals.h"
3			#include "node_report.h"
4			#include "util-inl.h"
5
6			namespace node {
7			namespace report {
8
9			static constexpr auto null = JSONWriter::Null{};
10
11			// Utility function to format socket information.
12		16	static void ReportEndpoint(uv_handle_t* h,
13			struct sockaddr* addr,
14			const char* name,
15			JSONWriter* writer) {
16	✓✓	16	if (addr == nullptr) {
17		3	writer->json_keyvalue(name, null);
18		3	return;
19			}
20
21			uv_getnameinfo_t endpoint;
22		13	char* host = nullptr;
23			char hostbuf[INET6_ADDRSTRLEN];
24		13	const int family = addr->sa_family;
25	✓✓	13	const int port = ntohs(family == AF_INET ?
26		5	reinterpret_cast<sockaddr_in*>(addr)->sin_port :
27		8	reinterpret_cast<sockaddr_in6*>(addr)->sin6_port);
28
29	✓✗	13	if (uv_getnameinfo(h->loop, &endpoint, nullptr, addr, NI_NUMERICSERV) == 0) {
30		13	host = endpoint.host;
31			DCHECK_EQ(port, std::stoi(endpoint.service));
32			} else {
33			const void* src = family == AF_INET ?
34			static_cast<void*>(
35			&(reinterpret_cast<sockaddr_in*>(addr)->sin_addr)) :
36			static_cast<void*>(
37			&(reinterpret_cast<sockaddr_in6*>(addr)->sin6_addr));
38			if (uv_inet_ntop(family, src, hostbuf, sizeof(hostbuf)) == 0) {
39			host = hostbuf;
40			}
41			}
42		13	writer->json_objectstart(name);
43	✓✗	13	if (host != nullptr) {
44		13	writer->json_keyvalue("host", host);
45			}
46		13	writer->json_keyvalue("port", port);
47		13	writer->json_objectend();
48			}
49
50			// Utility function to format libuv socket information.
51		8	static void ReportEndpoints(uv_handle_t* h, JSONWriter* writer) {
52			struct sockaddr_storage addr_storage;
53		8	struct sockaddr* addr = reinterpret_cast<sockaddr*>(&addr_storage);
54		8	uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);
55		8	int addr_size = sizeof(addr_storage);
56		8	int rc = -1;
57
58	✓✓✗	8	switch (h->type) {
59		2	case UV_UDP:
60		2	rc = uv_udp_getsockname(&handle->udp, addr, &addr_size);
61		2	break;
62		6	case UV_TCP:
63		6	rc = uv_tcp_getsockname(&handle->tcp, addr, &addr_size);
64		6	break;
65			default:
66			break;
67			}
68	✓✗	8	ReportEndpoint(h, rc == 0 ? addr : nullptr, "localEndpoint", writer);
69
70	✓✓✗	8	switch (h->type) {
71		2	case UV_UDP:
72		2	rc = uv_udp_getpeername(&handle->udp, addr, &addr_size);
73		2	break;
74		6	case UV_TCP:
75		6	rc = uv_tcp_getpeername(&handle->tcp, addr, &addr_size);
76		6	break;
77			default:
78			break;
79			}
80	✓✓	8	ReportEndpoint(h, rc == 0 ? addr : nullptr, "remoteEndpoint", writer);
81		8	}
82
83			// Utility function to format libuv pipe information.
84		7	static void ReportPipeEndpoints(uv_handle_t* h, JSONWriter* writer) {
85		7	uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);
86		14	MallocedBuffer<char> buffer(0);
87		7	size_t buffer_size = 0;
88		7	int rc = -1;
89
90			// First call to get required buffer size.
91		7	rc = uv_pipe_getsockname(&handle->pipe, buffer.data, &buffer_size);
92	✓✗	7	if (rc == UV_ENOBUFS) {
93		7	buffer = MallocedBuffer<char>(buffer_size);
94	✓✗	7	if (buffer.data != nullptr) {
95		7	rc = uv_pipe_getsockname(&handle->pipe, buffer.data, &buffer_size);
96			} else {
97			buffer_size = 0;
98			}
99			}
100	✓✗✓✓ ✓✗	7	if (rc == 0 && buffer_size != 0 && buffer.data != nullptr) {
101		2	writer->json_keyvalue("localEndpoint", buffer.data);
102			} else {
103		5	writer->json_keyvalue("localEndpoint", null);
104			}
105
106			// First call to get required buffer size.
107		7	rc = uv_pipe_getpeername(&handle->pipe, buffer.data, &buffer_size);
108	✓✓	7	if (rc == UV_ENOBUFS) {
109		5	buffer = MallocedBuffer<char>(buffer_size);
110	✓✗	5	if (buffer.data != nullptr) {
111		5	rc = uv_pipe_getpeername(&handle->pipe, buffer.data, &buffer_size);
112			}
113			}
114	✓✓✓✓ ✓✗	7	if (rc == 0 && buffer_size != 0 && buffer.data != nullptr) {
115		1	writer->json_keyvalue("remoteEndpoint", buffer.data);
116			} else {
117		6	writer->json_keyvalue("remoteEndpoint", null);
118			}
119		7	}
120
121			// Utility function to format libuv path information.
122		2	static void ReportPath(uv_handle_t* h, JSONWriter* writer) {
123		4	MallocedBuffer<char> buffer(0);
124		2	int rc = -1;
125		2	size_t size = 0;
126		2	uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);
127		2	bool wrote_filename = false;
128			// First call to get required buffer size.
129	✓✓✗	2	switch (h->type) {
130		1	case UV_FS_EVENT:
131		1	rc = uv_fs_event_getpath(&(handle->fs_event), buffer.data, &size);
132		1	break;
133		1	case UV_FS_POLL:
134		1	rc = uv_fs_poll_getpath(&(handle->fs_poll), buffer.data, &size);
135		1	break;
136			default:
137			break;
138			}
139	✓✗	2	if (rc == UV_ENOBUFS) {
140		2	buffer = MallocedBuffer<char>(size + 1);
141	✓✓✗	2	switch (h->type) {
142		1	case UV_FS_EVENT:
143		1	rc = uv_fs_event_getpath(&(handle->fs_event), buffer.data, &size);
144		1	break;
145		1	case UV_FS_POLL:
146		1	rc = uv_fs_poll_getpath(&(handle->fs_poll), buffer.data, &size);
147		1	break;
148			default:
149			break;
150			}
151	✓✗	2	if (rc == 0) {
152			// buffer is not null terminated.
153		2	buffer.data[size] = '\0';
154		2	writer->json_keyvalue("filename", buffer.data);
155		2	wrote_filename = true;
156			}
157			}
158	✗✓	2	if (!wrote_filename) writer->json_keyvalue("filename", null);
159		2	}
160
161			// Utility function to walk libuv handles.
162		232	void WalkHandle(uv_handle_t* h, void* arg) {
163		232	const char* type = uv_handle_type_name(h->type);
164		232	JSONWriter* writer = static_cast<JSONWriter*>(arg);
165		232	uv_any_handle* handle = reinterpret_cast<uv_any_handle*>(h);
166
167		232	writer->json_start();
168		232	writer->json_keyvalue("type", type);
169		232	writer->json_keyvalue("is_active", static_cast<bool>(uv_is_active(h)));
170		232	writer->json_keyvalue("is_referenced", static_cast<bool>(uv_has_ref(h)));
171		232	writer->json_keyvalue("address",
172		464	ValueToHexString(reinterpret_cast<uint64_t>(h)));
173
174	✓✓✓✓ ✓✗✓✓	232	switch (h->type) {
175		2	case UV_FS_EVENT:
176			case UV_FS_POLL:
177		2	ReportPath(h, writer);
178		2	break;
179		1	case UV_PROCESS:
180		1	writer->json_keyvalue("pid", handle->process.pid);
181		1	break;
182		8	case UV_TCP:
183			case UV_UDP:
184		8	ReportEndpoints(h, writer);
185		8	break;
186		7	case UV_NAMED_PIPE:
187		7	ReportPipeEndpoints(h, writer);
188		7	break;
189		32	case UV_TIMER: {
190		32	uint64_t due = handle->timer.timeout;
191		32	uint64_t now = uv_now(handle->timer.loop);
192		32	writer->json_keyvalue("repeat", uv_timer_get_repeat(&handle->timer));
193		32	writer->json_keyvalue("firesInMsFromNow",
194		32	static_cast<int64_t>(due - now));
195		32	writer->json_keyvalue("expired", now >= due);
196		32	break;
197			}
198			case UV_TTY: {
199			int height, width, rc;
200			rc = uv_tty_get_winsize(&(handle->tty), &width, &height);
201			if (rc == 0) {
202			writer->json_keyvalue("width", width);
203			writer->json_keyvalue("height", height);
204			}
205			break;
206			}
207		1	case UV_SIGNAL:
208			// SIGWINCH is used by libuv so always appears.
209			// See http://docs.libuv.org/en/v1.x/signal.html
210		1	writer->json_keyvalue("signum", handle->signal.signum);
211		1	writer->json_keyvalue("signal", signo_string(handle->signal.signum));
212		1	break;
213		181	default:
214		181	break;
215			}
216
217	✓✓✓✓	232	if (h->type == UV_TCP \|\| h->type == UV_UDP
218			#ifndef _WIN32
219	✓✓	224	\|\| h->type == UV_NAMED_PIPE
220			#endif
221			) {
222			// These must be 0 or libuv will set the buffer sizes to the non-zero
223			// values they contain.
224		15	int send_size = 0;
225		15	int recv_size = 0;
226		15	uv_send_buffer_size(h, &send_size);
227		15	uv_recv_buffer_size(h, &recv_size);
228		15	writer->json_keyvalue("sendBufferSize", send_size);
229		15	writer->json_keyvalue("recvBufferSize", recv_size);
230			}
231
232			#ifndef _WIN32
233	✓✓✓✓ ✓✗	232	if (h->type == UV_TCP \|\| h->type == UV_NAMED_PIPE \|\| h->type == UV_TTY \|\|
234	✓✓✗✓	219	h->type == UV_UDP \|\| h->type == UV_POLL) {
235			uv_os_fd_t fd_v;
236		15	int rc = uv_fileno(h, &fd_v);
237
238	✓✗	15	if (rc == 0) {
239		15	writer->json_keyvalue("fd", static_cast<int>(fd_v));
240	✗✗✗✓	15	switch (fd_v) {
241			case STDIN_FILENO:
242			writer->json_keyvalue("stdio", "stdin");
243			break;
244			case STDOUT_FILENO:
245			writer->json_keyvalue("stdio", "stdout");
246			break;
247			case STDERR_FILENO:
248			writer->json_keyvalue("stdio", "stderr");
249			break;
250		15	default:
251		15	break;
252			}
253			}
254			}
255			#endif
256
257	✓✓✓✓ ✗✓	232	if (h->type == UV_TCP \|\| h->type == UV_NAMED_PIPE \|\| h->type == UV_TTY) {
258		13	writer->json_keyvalue("writeQueueSize", handle->stream.write_queue_size);
259		13	writer->json_keyvalue("readable",
260		13	static_cast<bool>(uv_is_readable(&handle->stream)));
261		13	writer->json_keyvalue("writable",
262		13	static_cast<bool>(uv_is_writable(&handle->stream)));
263			}
264
265		232	writer->json_end();
266		232	}
267
268			} // namespace report
269			} // namespace node