void dyad_vwritef(dyad_Stream *stream, const char *fmt, va_list args) {
char buf[512];
char *str;
char f[] = "%_";
FILE *fp;
int c;
while (*fmt) {
if (*fmt == '%') {
fmt++;
switch (*fmt) {
case 'r':
fp = va_arg(args, FILE*);
if (fp == NULL) {
str = "(null)";
goto writeStr;
}
while ((c = fgetc(fp)) != EOF) {
dyad_vectorPush(&stream->writeBuffer, c);
}
break;
case 'c':
dyad_vectorPush(&stream->writeBuffer, va_arg(args, int));
break;
case 's':
str = va_arg(args, char*);
if (str == NULL) str = "(null)";
writeStr:
while (*str) {
dyad_vectorPush(&stream->writeBuffer, *str++);
}
break;
case 'b':
str = va_arg(args, char*);
c = va_arg(args, int);
while (c--) {
dyad_vectorPush(&stream->writeBuffer, *str++);
}
break;
default:
f[1] = *fmt;
switch (*fmt) {
case 'f':
case 'g': sprintf(buf, f, va_arg(args, double)); break;
case 'd':
case 'i': sprintf(buf, f, va_arg(args, int)); break;
case 'x':
case 'X': sprintf(buf, f, va_arg(args, unsigned)); break;
case 'p': sprintf(buf, f, va_arg(args, void*)); break;
default : buf[0] = *fmt; buf[1] = '\0';
}
str = buf;
goto writeStr;
}
} else {
void dyad_write(dyad_Stream *stream, void *data, int size) {
char *p = data;
while (size--) {
dyad_vectorPush(&stream->writeBuffer, *p++);
}
stream->flags |= DYAD_FLAG_WRITTEN;
}
void dyad_addListener(
dyad_Stream *stream, int event, dyad_Callback callback, void *udata
) {
dyad_Listener listener;
listener.event = event;
listener.callback = callback;
listener.udata = udata;
dyad_vectorPush(&stream->listeners, listener);
}
void dyad_vwritef(dyad_Stream *stream, const char *fmt, va_list args) {
char buf[64];
char *str;
char f[] = "%_";
FILE *fp;
int c;
while (*fmt) {
if (*fmt == '%') {
fmt++;
switch (*fmt) {
case 'f': case 'g': case 'd': case 'i': case 'x': case 'X': case 'p':
f[1] = *fmt;
vsprintf(buf, (const char*) f, args);
str = buf;
goto writeStr;
case 'r':
fp = va_arg(args, FILE*);
while ((c = fgetc(fp)) != EOF) {
dyad_vectorPush(&stream->writeBuffer, c);
}
break;
case 'c':
dyad_vectorPush(&stream->writeBuffer, va_arg(args, int));
break;
case 's': {
str = va_arg(args, char*);
if (str == NULL) str = "(null)";
writeStr:
while (*str) {
dyad_vectorPush(&stream->writeBuffer, *str++);
}
break;
}
default:
dyad_vectorPush(&stream->writeBuffer, *fmt);
}
} else {
static void dyad_handleReceivedData(dyad_Stream *stream) {
for (;;) {
/* Receive data */
dyad_Event e;
char data[8192];
int size = recv(stream->sockfd, data, sizeof(data) - 1, 0);
if (size <= 0) {
if (size == 0 || errno != EWOULDBLOCK) {
/* Handle disconnect */
dyad_close(stream);
return;
} else {
/* No more data */
return;
}
}
data[size] = 0;
/* Update status */
stream->bytesReceived += size;
stream->lastActivity = dyad_getTime();
/* Emit data event */
e = dyad_createEvent(DYAD_EVENT_DATA);
e.msg = "received data";
e.data = data;
e.size = size;
dyad_emitEvent(stream, &e);
/* Check stream state in case it was closed during one of the data event
* handlers. */
if (stream->state != DYAD_STATE_CONNECTED) {
return;
}
/* Handle line event */
if (dyad_hasListenerForEvent(stream, DYAD_EVENT_LINE)) {
int i, start;
char *buf;
for (i = 0; i < size; i++) {
dyad_vectorPush(&stream->lineBuffer, data[i]);
}
start = 0;
buf = stream->lineBuffer.data;
for (i = 0; i < stream->lineBuffer.length; i++) {
if (buf[i] == '\n') {
dyad_Event e;
buf[i] = '\0';
e = dyad_createEvent(DYAD_EVENT_LINE);
e.msg = "received line";
e.data = &buf[start];
e.size = i - start;
/* Check and strip carriage return */
if (e.size > 0 && e.data[e.size - 1] == '\r') {
e.data[--e.size] = '\0';
}
dyad_emitEvent(stream, &e);
start = i + 1;
/* Check stream state in case it was closed during one of the line
* event handlers. */
if (stream->state != DYAD_STATE_CONNECTED) {
return;
}
}
}
if (start == stream->lineBuffer.length) {
dyad_vectorClear(&stream->lineBuffer);
} else {
dyad_vectorSplice(&stream->lineBuffer, 0, start);
}
}
}
}
