/**
* Handle a call to recv() made by JavaScript.
*
* recv expects 2 parameters:
* 0: The socket file descriptor to recv from.
* 1: The size of the buffer to pass to recv.
* on success, send returns a result in |output|:
* 0: "recv"
* 1: The number of bytes received.
* 2: The data received.
* on failure, recv returns an error string in |out_error|.
*/
int HandleRecv(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(recv, 2);
PARAM_INT(0, sock);
PARAM_INT(1, buffersize);
if (buffersize < 0 || buffersize > 65 * 1024) {
*out_error =
PrintfToNewString("recv buffersize must be between 0 and 65k.");
return 1;
}
char* buffer = alloca(buffersize);
memset(buffer, 0, buffersize);
int result = (int32_t)recv(sock, buffer, buffersize, 0);
if (result <= 0) {
*out_error = PrintfToNewString("recv failed: %s", strerror(errno));
return 1;
}
CREATE_RESPONSE(recv);
RESPONSE_INT(result);
RESPONSE_STRING(buffer);
return 0;
}
/**
* Handle a call to fopen() made by JavaScript.
*
* fopen expects 2 parameters:
* 0: the path of the file to open
* 1: the mode string
* on success, fopen returns a result in |output|:
* 0: "fopen"
* 1: the filename opened
* 2: the file index
* on failure, fopen returns an error string in |out_error|.
*/
int HandleFopen(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(fopen, 2);
PARAM_STRING(0, filename);
PARAM_STRING(1, mode);
FILE* file = fopen(filename, mode);
if (!file) {
*out_error = PrintfToNewString("fopen returned a NULL FILE*");
return 1;
}
int file_index = AddFileToMap(file);
if (file_index == -1) {
*out_error = PrintfToNewString("Example only allows %d open file handles",
MAX_OPEN_FILES);
return 1;
}
CREATE_RESPONSE(fopen);
RESPONSE_STRING(filename);
RESPONSE_INT(file_index);
return 0;
}
/**
* Handle a call to opendir() made by JavaScript.
*
* opendir expects 1 parameter:
* 0: The name of the directory
* on success, opendir returns a result in |output|:
* 0: "opendir"
* 1: the directory name
* 2: the index of the directory
* on failure, opendir returns an error string in |out_error|.
*/
int HandleOpendir(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
#if defined(WIN32)
*out_error = PrintfToNewString("Win32 does not support opendir");
return 1;
#else
CHECK_PARAM_COUNT(opendir, 1);
PARAM_STRING(0, dirname);
DIR* dir = opendir(dirname);
if (!dir) {
*out_error = PrintfToNewString("opendir returned a NULL DIR*");
return 1;
}
int dir_index = AddDirToMap(dir);
if (dir_index == -1) {
*out_error = PrintfToNewString("Example only allows %d open dir handles",
MAX_OPEN_DIRS);
return 1;
}
CREATE_RESPONSE(opendir);
RESPONSE_STRING(dirname);
RESPONSE_INT(dir_index);
return 0;
#endif
}
/**
* Handle a call to gethostbyname() made by JavaScript.
*
* gethostbyname expects 1 parameter:
* 0: The name of the host to look up.
* on success, gethostbyname returns a result in |output|:
* 0: "gethostbyname"
* 1: Host name
* 2: Address type (either "AF_INET" or "AF_INET6")
* 3: The first address.
* 4+ The second, third, etc. addresses.
* on failure, gethostbyname returns an error string in |out_error|.
*/
int HandleGethostbyname(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(gethostbyname, 1);
PARAM_STRING(0, name);
struct hostent* info = gethostbyname(name);
if (!info) {
*out_error = PrintfToNewString("gethostbyname failed, error is \"%s\"",
hstrerror(h_errno));
return 1;
}
CREATE_RESPONSE(gethostbyname);
RESPONSE_STRING(info->h_name);
RESPONSE_STRING(info->h_addrtype == AF_INET ? "AF_INET" : "AF_INET6");
struct in_addr** addr_list = (struct in_addr**)info->h_addr_list;
int i;
for (i = 0; addr_list[i] != NULL; i++) {
if (info->h_addrtype == AF_INET) {
RESPONSE_STRING(inet_ntoa(*addr_list[i]));
} else { // IPv6
char addr_str[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, addr_list[i], addr_str, sizeof(addr_str));
RESPONSE_STRING(addr_str);
}
}
return 0;
}
/**
* Handle a call to fseek() made by JavaScript.
*
* fseek expects 3 parameters:
* 0: The index of the file (which is mapped to a FILE*)
* 1: The offset to seek to
* 2: An integer representing the whence parameter of standard fseek.
* whence = 0: seek from the beginning of the file
* whence = 1: seek from the current file position
* whence = 2: seek from the end of the file
* on success, fseek returns a result in |output|:
* 0: "fseek"
* 1: the file index
* 2: The new file position
* on failure, fseek returns an error string in |out_error|.
*/
int HandleFseek(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(fseek, 3);
PARAM_FILE(0, file);
PARAM_INT(1, offset);
PARAM_INT(2, whence);
int result = fseek(file, offset, whence);
if (result) {
*out_error = PrintfToNewString("fseek returned error %d", result);
return 1;
}
offset = (int32_t)ftell(file);
if (offset < 0) {
*out_error = PrintfToNewString(
"fseek succeeded, but ftell returned error %d", offset);
return 1;
}
CREATE_RESPONSE(fseek);
RESPONSE_INT(file_index);
RESPONSE_INT(offset);
return 0;
}
static int tty_setWinTitle_25(struct pvm_object me , struct data_area_4_thread *tc )
{
DEBUG_INFO;
struct data_area_4_tty *da = pvm_data_area( me, tty );
int n_param = POP_ISTACK;
CHECK_PARAM_COUNT(n_param, 1);
struct pvm_object _text = POP_ARG;
ASSERT_STRING(_text);
int len = pvm_get_str_len( _text );
const char * data = (const char *)pvm_get_str_data(_text);
if( len > PVM_MAX_TTY_TITLE-1 ) len = PVM_MAX_TTY_TITLE-1 ;
strlcpy( da->title, data, len+1 );
//buf[len] = 0;
SYS_FREE_O(_text);
w_set_title( &(da->w), da->w.title );
SYSCALL_RETURN_NOTHING;
}
/**
* Handle a call to fflush() made by JavaScript.
*
* fflush expects 1 parameters:
* 0: The index of the file (which is mapped to a FILE*)
* on success, fflush returns a result in |output|:
* 0: "fflush"
* 1: the file index
* on failure, fflush returns an error string in |out_error|.
*/
int HandleFflush(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(fflush, 1);
PARAM_FILE(0, file);
fflush(file);
CREATE_RESPONSE(fflush);
RESPONSE_INT(file_index);
return 0;
}
int Handle_iguana(struct PP_Var params,struct PP_Var *output,const char **out_error)
{
char *iguana_JSON(char *);
char *retstr;
PostMessage("inside Handle_iguana\n");
CHECK_PARAM_COUNT(iguana, 1);
PARAM_STRING(0,jsonstr);
retstr = iguana_JSON(jsonstr);
CREATE_RESPONSE(iguana);
RESPONSE_STRING(retstr);
return 0;
}
/**
* Handle a call to getaddrinfo() made by JavaScript.
*
* getaddrinfo expects 1 parameter:
* 0: The name of the host to look up.
* on success, getaddrinfo returns a result in |output|:
* 0: "getaddrinfo"
* 1: The canonical name
* 2*n+2: Host name
* 2*n+3: Address type (either "AF_INET" or "AF_INET6")
* on failure, getaddrinfo returns an error string in |out_error|.
*/
int HandleGetaddrinfo(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(getaddrinfo, 2);
PARAM_STRING(0, name);
PARAM_STRING(1, family);
struct addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
if (!strcmp(family, "AF_INET"))
hints.ai_family = AF_INET;
else if (!strcmp(family, "AF_INET6"))
hints.ai_family = AF_INET6;
else if (!strcmp(family, "AF_UNSPEC"))
hints.ai_family = AF_UNSPEC;
else {
*out_error = PrintfToNewString("getaddrinfo uknown family: %s", family);
return 1;
}
struct addrinfo* ai;
int rtn = getaddrinfo(name, NULL, &hints, &ai);
if (rtn != 0) {
*out_error = PrintfToNewString("getaddrinfo failed, error is \"%s\"",
gai_strerror(rtn));
return 2;
}
CREATE_RESPONSE(getaddrinfo);
RESPONSE_STRING(ai->ai_canonname);
struct addrinfo* current = ai;
while (current) {
char addr_str[INET6_ADDRSTRLEN];
if (ai->ai_family == AF_INET6) {
struct sockaddr_in6* in6 = (struct sockaddr_in6*)current->ai_addr;
inet_ntop(
ai->ai_family, &in6->sin6_addr.s6_addr, addr_str, sizeof(addr_str));
} else if (ai->ai_family == AF_INET) {
struct sockaddr_in* in = (struct sockaddr_in*)current->ai_addr;
inet_ntop(ai->ai_family, &in->sin_addr, addr_str, sizeof(addr_str));
}
RESPONSE_STRING(addr_str);
RESPONSE_STRING(ai->ai_family == AF_INET ? "AF_INET" : "AF_INET6");
current = current->ai_next;
}
freeaddrinfo(ai);
return 0;
}
int HandleSuperNET(struct PP_Var params,struct PP_Var *output,const char **out_error)
{
char *SuperNET_JSON(char *);
char *retstr;
//PostMessage("inside handle SuperNET\n");
CHECK_PARAM_COUNT(SuperNET, 1);
PARAM_STRING(0,jsonstr);
retstr = SuperNET_JSON(jsonstr);
CREATE_RESPONSE(SuperNET);
//RESPONSE_INT(0);
RESPONSE_STRING(retstr);
return 0;
}
static int tty_setWinPos_24(struct pvm_object me, struct data_area_4_thread *tc )
{
DEBUG_INFO;
struct data_area_4_tty *da = pvm_data_area( me, tty );
int n_param = POP_ISTACK;
CHECK_PARAM_COUNT(n_param, 2);
int y = POP_INT();
int x = POP_INT();
w_move( &(da->w), x, y );
SYSCALL_RETURN_NOTHING;
}
/**
* Handle a call to getcwd() made by JavaScript.
*
* getcwd expects 0 parameters.
* on success, getcwd returns a result in |output|:
* 0: "getcwd"
* 1: the current working directory
* on failure, getcwd returns an error string in |out_error|.
*/
int HandleGetcwd(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(getcwd, 0);
char cwd[PATH_MAX];
char* result = getcwd(cwd, PATH_MAX);
if (result == NULL) {
*out_error = PrintfToNewString("getcwd returned error: %d", errno);
return 1;
}
CREATE_RESPONSE(getcwd);
RESPONSE_STRING(cwd);
return 0;
}
int HandleJS(struct PP_Var params, struct PP_Var* output, const char** out_error) {
PostMessage("JS?");
CHECK_PARAM_COUNT(js, 2);
PARAM_STRING(0, jsonstr);
PARAM_STRING(1, ptr);
int64_t nptr = strtoll(ptr, NULL, 10);
char * addr = (char *)nptr;
strcpy(addr, jsonstr);
CREATE_RESPONSE(js);
RESPONSE_STRING(ptr);
return 0;
}
/**
* Handle a call to close() made by JavaScript.
*
* close expects 1 parameters:
* 0: The socket file descriptor to close.
* on success, close returns a result in |output|:
* 0: "close"
* 1: The socket file descriptor closed.
* on failure, close returns an error string in |out_error|.
*/
int HandleClose(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(close, 1);
PARAM_INT(0, sock);
int result = close(sock);
if (result != 0) {
*out_error = PrintfToNewString("close returned error: %d", errno);
return 1;
}
CREATE_RESPONSE(close);
RESPONSE_INT(sock);
return 0;
}
/**
* Handle a call to chdir() made by JavaScript.
*
* chdir expects 1 parameter:
* 0: The name of the directory
* on success, chdir returns a result in |output|:
* 0: "chdir"
* 1: the name of the directory
* on failure, chdir returns an error string in |out_error|.
*/
int HandleChdir(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(chdir, 1);
PARAM_STRING(0, dirname);
int result = chdir(dirname);
if (result != 0) {
*out_error = PrintfToNewString("chdir returned error: %d", errno);
return 1;
}
CREATE_RESPONSE(chdir);
RESPONSE_STRING(dirname);
return 0;
}
/**
* Handle a call to send() made by JavaScript.
*
* send expects 2 parameters:
* 0: The socket file descriptor to send using.
* 1: The NULL terminated string to send.
* on success, send returns a result in |output|:
* 0: "send"
* 1: The number of bytes sent.
* on failure, send returns an error string in |out_error|.
*/
int HandleSend(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(send, 2);
PARAM_INT(0, sock);
PARAM_STRING(1, buffer);
int result = (int32_t)send(sock, buffer, strlen(buffer), 0);
if (result <= 0) {
*out_error = PrintfToNewString("send failed: %s", strerror(errno));
return 1;
}
CREATE_RESPONSE(send);
RESPONSE_INT(result);
return 0;
}
static int gotoxy_19(struct pvm_object me , struct data_area_4_thread *tc )
{
struct data_area_4_tty *da = pvm_data_area( me, tty );
DEBUG_INFO;
int n_param = POP_ISTACK;
CHECK_PARAM_COUNT(n_param, 2);
int goy = POP_INT();
int gox = POP_INT();
da->x = da->font_width * gox;
da->y = da->font_height * goy;
SYSCALL_RETURN_NOTHING;
}
/**
* Handle a call to fclose() made by JavaScript.
*
* fclose expects 1 parameter:
* 0: The index of the file (which is mapped to a FILE*)
* on success, fclose returns a result in |output|:
* 0: "fclose"
* 1: the file index
* on failure, fclose returns an error string in |out_error|.
*/
int HandleFclose(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(fclose, 1);
PARAM_FILE(0, file);
int result = fclose(file);
if (result) {
*out_error = PrintfToNewString("fclose returned error %d", result);
return 1;
}
RemoveFileFromMap(file_index);
CREATE_RESPONSE(fclose);
RESPONSE_INT(file_index);
return 0;
}
/**
* Handle a call to fwrite() made by JavaScript.
*
* fwrite expects 2 parameters:
* 0: The index of the file (which is mapped to a FILE*)
* 1: A string to write to the file
* on success, fwrite returns a result in |output|:
* 0: "fwrite"
* 1: the file index
* 2: the number of bytes written
* on failure, fwrite returns an error string in |out_error|.
*/
int HandleFwrite(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(fwrite, 2);
PARAM_FILE(0, file);
PARAM_STRING(1, data);
size_t bytes_written = fwrite(data, 1, data_len, file);
if (ferror(file)) {
*out_error = PrintfToNewString(
"Wrote %" PRIuS " bytes, but ferror() returns true", bytes_written);
return 1;
}
CREATE_RESPONSE(fwrite);
RESPONSE_INT(file_index);
RESPONSE_INT((int32_t)bytes_written);
return 0;
}
static int setcolor_21(struct pvm_object me , struct data_area_4_thread *tc )
{
(void) me;
//struct data_area_4_tty *da = pvm_data_area( me, tty );
DEBUG_INFO;
int n_param = POP_ISTACK;
CHECK_PARAM_COUNT(n_param, 1);
int color = POP_INT();
(void) color;
//int attr = (short)color;
// TODO colors from attrs
//printf("setcolor font %d,%d\n", da->font_width, da->font_height );
SYSCALL_RETURN_NOTHING;
}
/**
* Handle a call to stat() made by JavaScript.
*
* stat expects 1 parameter:
* 0: The name of the file
* on success, stat returns a result in |output|:
* 0: "stat"
* 1: the file name
* 2: the size of the file
* on failure, stat returns an error string in |out_error|.
*/
int HandleStat(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(stat, 1);
PARAM_STRING(0, filename);
struct stat buf;
memset(&buf, 0, sizeof(buf));
int result = stat(filename, &buf);
if (result == -1) {
*out_error = PrintfToNewString("stat returned error %d", errno);
return 1;
}
CREATE_RESPONSE(stat);
RESPONSE_STRING(filename);
RESPONSE_INT((int32_t)buf.st_size);
return 0;
}
/**
* Handle a call to readdir() made by JavaScript.
*
* readdir expects 1 parameter:
* 0: The index of the directory (which is mapped to a DIR*)
* on success, opendir returns a result in |output|:
* 0: "readdir"
* 1: the inode number of the entry
* 2: the name of the entry
* if there are no more entries, |output| contains:
* 0: "readdir"
* on failure, readdir returns an error string in |out_error|.
*/
int HandleReaddir(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
#if defined(WIN32)
*out_error = PrintfToNewString("Win32 does not support readdir");
return 1;
#else
CHECK_PARAM_COUNT(readdir, 1);
PARAM_DIR(0, dir);
struct dirent* entry = readdir(dir);
CREATE_RESPONSE(readdir);
RESPONSE_INT(dir_index);
if (entry != NULL) {
RESPONSE_INT((int32_t)entry->d_ino);
RESPONSE_STRING(entry->d_name);
}
return 0;
#endif
}
static int debug_18(struct pvm_object me , struct data_area_4_thread *tc )
{
(void) me;
DEBUG_INFO;
//struct data_area_4_tty *da = pvm_data_area( me, tty );
int n_param = POP_ISTACK;
CHECK_PARAM_COUNT(n_param, 1);
struct pvm_object o = POP_ARG;
//pvm_object_print( o );
printf("\n\nobj dump: ");
dumpo((addr_t)(o.data));
printf("\n\n");
SYS_FREE_O(o);
SYSCALL_RETURN_NOTHING;
}
/**
* Handle a call to closedir() made by JavaScript.
*
* closedir expects 1 parameter:
* 0: The index of the directory (which is mapped to a DIR*)
* on success, closedir returns a result in |output|:
* 0: "closedir"
* 1: the name of the directory
* on failure, closedir returns an error string in |out_error|.
*/
int HandleClosedir(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
#if defined(WIN32)
*out_error = PrintfToNewString("Win32 does not support closedir");
return 1;
#else
CHECK_PARAM_COUNT(closedir, 1);
PARAM_DIR(0, dir);
int result = closedir(dir);
if (result) {
*out_error = PrintfToNewString("closedir returned error %d", result);
return 1;
}
RemoveDirFromMap(dir_index);
CREATE_RESPONSE(closedir);
RESPONSE_INT(dir_index);
return 0;
#endif
}
static int putws_17(struct pvm_object me , struct data_area_4_thread *tc )
{
DEBUG_INFO;
struct data_area_4_tty *da = pvm_data_area( me, tty );
//printf("putws font %d,%d\n", da->font_width, da->font_height );
int n_param = POP_ISTACK;
CHECK_PARAM_COUNT(n_param, 1);
struct pvm_object _text = POP_ARG;
ASSERT_STRING(_text);
int len = pvm_get_str_len( _text );
const char * data = (const char *)pvm_get_str_data(_text);
char buf[BS+2];
if( len > BS ) len = BS;
strncpy( buf, data, len );
//buf[len] = '\n';
buf[len] = 0;
SYS_FREE_O(_text);
//printf("tty print: '%s' at %d,%d\n", buf, da->x, da->y );
struct rgba_t fg = da->fg;
struct rgba_t bg = da->bg;
w_font_tty_string( &(da->w), tty_font, buf, fg, bg, &(da->x), &(da->y) );
drv_video_window_update( &(da->w) );
SYSCALL_RETURN_NOTHING;
}
/**
* Handle a call to connect() made by JavaScript.
*
* connect expects 2 parameters:
* 0: The hostname to connect to.
* 1: The port number to connect to.
* on success, connect returns a result in |output|:
* 0: "connect"
* 1: The socket file descriptor.
* on failure, connect returns an error string in |out_error|.
*/
int HandleConnect(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(connect, 2);
PARAM_STRING(0, hostname);
PARAM_INT(1, port);
// Lookup host
struct hostent* hostent = gethostbyname(hostname);
if (hostent == NULL) {
*out_error = PrintfToNewString("gethostbyname() returned error: %d", errno);
return 1;
}
struct sockaddr_in addr;
socklen_t addrlen = sizeof(addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
memcpy(&addr.sin_addr.s_addr, hostent->h_addr_list[0], hostent->h_length);
int sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0) {
*out_error = PrintfToNewString("socket() failed: %s", strerror(errno));
return 1;
}
int result = connect(sock, (struct sockaddr*)&addr, addrlen);
if (result != 0) {
*out_error = PrintfToNewString("connect() failed: %s", strerror(errno));
close(sock);
return 1;
}
CREATE_RESPONSE(connect);
RESPONSE_INT(sock);
return 0;
}
/**
* Handle a call to fread() made by JavaScript.
*
* fread expects 2 parameters:
* 0: The index of the file (which is mapped to a FILE*)
* 1: The number of bytes to read from the file.
* on success, fread returns a result in |output|:
* 0: "fread"
* 1: the file index
* 2: the data read from the file
* on failure, fread returns an error string in |out_error|.
*/
int HandleFread(struct PP_Var params,
struct PP_Var* output,
const char** out_error) {
CHECK_PARAM_COUNT(fread, 2);
PARAM_FILE(0, file);
PARAM_INT(1, data_len);
char* buffer = (char*)malloc(data_len + 1);
size_t bytes_read = fread(buffer, 1, data_len, file);
buffer[bytes_read] = 0;
if (ferror(file)) {
*out_error = PrintfToNewString(
"Read %" PRIuS " bytes, but ferror() returns true", bytes_read);
free(buffer);
return 1;
}
CREATE_RESPONSE(fread);
RESPONSE_INT(file_index);
RESPONSE_STRING(buffer);
free(buffer);
return 0;
}