[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/goahead/server/ringq.c b/ap/app/goahead/server/ringq.c
new file mode 100755
index 0000000..e6ba5f3
--- /dev/null
+++ b/ap/app/goahead/server/ringq.c
@@ -0,0 +1,403 @@
+#ifdef UEMF
+ #include "uemf.h"
+#else
+ #include "basic/basicInternal.h"
+#endif
+
+static int getBinBlockSize(int size);
+static int ringqGrow(ringq_t *rq);
+
+#define RINGQ_LEN(rq) \
+ ((rq->servp > rq->endp) ? \
+ (rq->buflen + (rq->endp - rq->servp)) : \
+ (rq->endp - rq->servp))
+
+
+
+int ringqGrowCalls = 0;
+
+int ringqOpen(ringq_t *rq, int initSize, int maxsize)
+{
+ int increment;
+
+ a_assert(rq);
+ a_assert(initSize >= 0);
+
+ increment = getBinBlockSize(initSize);
+ if ((rq->buf = balloc(B_L, (increment))) == NULL) {
+ return -1;
+ }
+ rq->maxsize = maxsize;
+ rq->buflen = increment;
+ rq->increment = increment;
+ rq->endbuf = &rq->buf[rq->buflen];
+ rq->servp = rq->buf;
+ rq->endp = rq->buf;
+ *rq->servp = '\0';
+ return 0;
+}
+
+int ringqInsertc(ringq_t *rq, char_t c)
+{
+ char_t *cp;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if (ringqPutBlkMax(rq) < (int) sizeof(char_t) && !ringqGrow(rq)) {
+ return -1;
+ }
+ if (rq->servp <= rq->buf) {
+ rq->servp = rq->endbuf;
+ }
+ cp = (char_t*) rq->servp;
+ *--cp = (char_t) c;
+ rq->servp = (unsigned char *) cp;
+ return 0;
+}
+
+int ringqPutc(ringq_t *rq, char_t c)
+{
+ char_t *cp;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if ((ringqPutBlkMax(rq) < (int) sizeof(char_t)) && !ringqGrow(rq)) {
+ return -1;
+ }
+
+ cp = (char_t*) rq->endp;
+ *cp++ = (char_t) c;
+ rq->endp = (unsigned char *) cp;
+ if (rq->endp >= rq->endbuf) {
+ rq->endp = rq->buf;
+ }
+ return 0;
+}
+
+int ringqGetc(ringq_t *rq)
+{
+ char_t c;
+ char_t* cp;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if (rq->servp == rq->endp) {
+ return -1;
+ }
+
+ cp = (char_t*) rq->servp;
+ c = *cp++;
+ rq->servp = (unsigned char *) cp;
+ if (rq->servp >= rq->endbuf) {
+ rq->servp = rq->buf;
+ }
+ return (int) ((unsigned char) c);
+}
+
+int ringqLen(ringq_t *rq)
+{
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if (rq->servp > rq->endp) {
+ return rq->buflen + rq->endp - rq->servp;
+ } else {
+ return rq->endp - rq->servp;
+ }
+}
+
+void ringqAddNull(ringq_t *rq)
+{
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ *((char_t*) rq->endp) = (char_t) '\0';
+}
+
+int ringqPutStr(ringq_t *rq, char_t *str)
+{
+ int rc;
+
+ a_assert(rq);
+ a_assert(str);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ rc = ringqPutBlk(rq, (unsigned char*) str, gstrlen(str) * sizeof(char_t));
+ *((char_t*) rq->endp) = (char_t) '\0';
+ return rc;
+}
+
+
+void ringqClose(ringq_t *rq)
+{
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if (rq == NULL) {
+ return;
+ }
+
+ ringqFlush(rq);
+ bfree(B_L, (char*) rq->buf);
+ rq->buf = NULL;
+}
+
+
+void ringqFlush(ringq_t *rq)
+{
+ a_assert(rq);
+ a_assert(rq->servp);
+
+ rq->servp = rq->buf;
+ rq->endp = rq->buf;
+ if (rq->servp) {
+ *rq->servp = '\0';
+ }
+}
+
+
+#ifdef UNICODE
+int ringqPutStrA(ringq_t *rq, char *str)
+{
+ int rc;
+
+ a_assert(rq);
+ a_assert(str);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ rc = ringqPutBlk(rq, (unsigned char*) str, strlen(str));
+ rq->endp[0] = '\0';
+ return rc;
+}
+
+int ringqGetcA(ringq_t *rq)
+{
+ unsigned char c;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if (rq->servp == rq->endp) {
+ return -1;
+ }
+
+ c = *rq->servp++;
+ if (rq->servp >= rq->endbuf) {
+ rq->servp = rq->buf;
+ }
+ return c;
+}
+
+int ringqInsertcA(ringq_t *rq, char c)
+{
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if (ringqPutBlkMax(rq) == 0 && !ringqGrow(rq)) {
+ return -1;
+ }
+ if (rq->servp <= rq->buf) {
+ rq->servp = rq->endbuf;
+ }
+ *--rq->servp = (unsigned char) c;
+ return 0;
+}
+
+int ringqPutcA(ringq_t *rq, char c)
+{
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ if (ringqPutBlkMax(rq) == 0 && !ringqGrow(rq)) {
+ return -1;
+ }
+
+ *rq->endp++ = (unsigned char) c;
+ if (rq->endp >= rq->endbuf) {
+ rq->endp = rq->buf;
+ }
+ return 0;
+}
+
+#endif /* UNICODE */
+
+void ringqGetBlkAdj(ringq_t *rq, int size)
+{
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+ a_assert(0 < size && size < rq->buflen);
+
+ rq->servp += size;
+ if (rq->servp >= rq->endbuf) {
+ rq->servp -= rq->buflen;
+ }
+
+ if (rq->servp >= rq->endbuf) {
+ error(E_L, E_LOG, T("Bad serv pointer"));
+ ringqFlush(rq);
+ }
+}
+
+int ringqGetBlkMax(ringq_t *rq)
+{
+ int len, in_a_line;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ len = RINGQ_LEN(rq);
+ in_a_line = rq->endbuf - rq->servp;
+
+ return min(in_a_line, len);
+}
+
+int ringqGetBlk(ringq_t *rq, unsigned char *buf, int size)
+{
+ int this, bytes_read;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+ a_assert(buf);
+ a_assert(0 <= size && size < rq->buflen);
+
+ bytes_read = 0;
+ while (size > 0) {
+ this = ringqGetBlkMax(rq);
+ this = min(this, size);
+ if (this <= 0) {
+ break;
+ }
+
+ memcpy(buf, rq->servp, this);
+ buf += this;
+ rq->servp += this;
+ size -= this;
+ bytes_read += this;
+
+ if (rq->servp >= rq->endbuf) {
+ rq->servp = rq->buf;
+ }
+ }
+ return bytes_read;
+}
+
+int ringqPutBlk(ringq_t *rq, unsigned char *buf, int size)
+{
+ int this, bytes_put;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+ a_assert(buf);
+ a_assert(0 <= size);
+
+ bytes_put = 0;
+ while (size > 0) {
+ this = min(ringqPutBlkMax(rq), size);
+ if (this <= 0) {
+ if (! ringqGrow(rq)) {
+ break;
+ }
+ this = min(ringqPutBlkMax(rq), size);
+ }
+
+ memcpy(rq->endp, buf, this);
+ buf += this;
+ rq->endp += this;
+ size -= this;
+ bytes_put += this;
+
+ if (rq->endp >= rq->endbuf) {
+ rq->endp = rq->buf;
+ }
+ }
+ return bytes_put;
+}
+
+
+int ringqPutBlkMax(ringq_t *rq)
+{
+ int space, in_a_line;
+
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+
+ space = rq->buflen - RINGQ_LEN(rq) - 1;
+ in_a_line = rq->endbuf - rq->endp;
+
+ return min(in_a_line, space);
+}
+
+
+void ringqPutBlkAdj(ringq_t *rq, int size)
+{
+ a_assert(rq);
+ a_assert(rq->buflen == (rq->endbuf - rq->buf));
+ a_assert(0 <= size && size < rq->buflen);
+
+ rq->endp += size;
+ if (rq->endp >= rq->endbuf) {
+ rq->endp -= rq->buflen;
+ }
+
+ if (rq->endp >= rq->endbuf) {
+ error(E_L, E_LOG, T("Bad end pointer"));
+ ringqFlush(rq);
+ }
+}
+
+
+
+static int ringqGrow(ringq_t *rq)
+{
+ int rq_len;
+ unsigned char *reall_buf;
+
+
+ a_assert(rq);
+
+ if (rq->maxsize >= 0 && rq->buflen >= rq->maxsize) {
+ return 0;
+ }
+
+ rq_len = ringqLen(rq);
+
+ if ((reall_buf = balloc(B_L, rq->buflen + rq->increment)) == NULL) {
+ return 0;
+ }
+ ringqGetBlk(rq, reall_buf, ringqLen(rq));
+ bfree(B_L, (char*) rq->buf);
+
+#ifdef OLD
+ rq->endp = &reall_buf[endp];
+ rq->servp = &reall_buf[servp];
+ rq->endbuf = &reall_buf[rq->buflen];
+ rq->buf = reall_buf;
+#endif
+
+ rq->buflen += rq->increment;
+ rq->endp = reall_buf;
+ rq->servp = reall_buf;
+ rq->buf = reall_buf;
+ rq->endbuf = &rq->buf[rq->buflen];
+
+ ringqPutBlk(rq, reall_buf, rq_len);
+
+ rq->increment = getBinBlockSize(2 * rq->increment);
+
+ return 1;
+}
+
+static int getBinBlockSize(int size)
+{
+ int q;
+
+ size = size >> B_SHIFT;
+ for (q = 0; size; size >>= 1) {
+ q++;
+ }
+ return (1 << (B_SHIFT + q));
+}
+