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| author |  Adam Chlipala <adamc@hcoop.net> | 2008-11-06 11:29:16 -0500 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-11-06 11:29:16 -0500 |
| commit | bfad3d26b4471c93b92d41c894e25919fd7bf953 (patch) | |
| tree | 05a8c82978b8d58211cd4b05357cccecd0dd9fb7 /src/c/urweb.c | |
| parent | 59e90f80efd94c738df349da7d473da9a8a7e81a (diff) | |
Setting a cookie
Diffstat (limited to 'src/c/urweb.c')
| -rw-r--r-- | src/c/urweb.c | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/src/c/urweb.c b/src/c/urweb.c index 5f718db6..dc58576a 100644 --- a/src/c/urweb.c +++ b/src/c/urweb.c @@ -26,6 +26,7 @@ typedef struct { struct uw_context { char *headers, *headers_end; + char *outHeaders, *outHeaders_front, *outHeaders_back; char *page, *page_front, *page_back; char *heap, *heap_front, *heap_back; char **inputs; @@ -43,11 +44,16 @@ struct uw_context { extern int uw_inputs_len; -uw_context uw_init(size_t page_len, size_t heap_len) { +uw_context uw_init(size_t outHeaders_len, size_t page_len, size_t heap_len) { uw_context ctx = malloc(sizeof(struct uw_context)); ctx->headers = ctx->headers_end = NULL; + ctx->outHeaders_front = ctx->outHeaders = malloc(outHeaders_len); + ctx->outHeaders_back = ctx->outHeaders_front + outHeaders_len; + + ctx->heap_front = ctx->heap = malloc(heap_len); + ctx->page_front = ctx->page = malloc(page_len); ctx->page_back = ctx->page_front + page_len; @@ -76,6 +82,7 @@ void *uw_get_db(uw_context ctx) { } void uw_free(uw_context ctx) { + free(ctx->outHeaders); free(ctx->page); free(ctx->heap); free(ctx->inputs); @@ -84,6 +91,7 @@ void uw_free(uw_context ctx) { } void uw_reset_keep_request(uw_context ctx) { + ctx->outHeaders_front = ctx->outHeaders; ctx->page_front = ctx->page; ctx->heap_front = ctx->heap; ctx->regions = NULL; @@ -93,6 +101,7 @@ void uw_reset_keep_request(uw_context ctx) { } void uw_reset_keep_error_message(uw_context ctx) { + ctx->outHeaders_front = ctx->outHeaders; ctx->page_front = ctx->page; ctx->heap_front = ctx->heap; ctx->regions = NULL; @@ -276,6 +285,7 @@ void uw_end_region(uw_context ctx) { } void uw_memstats(uw_context ctx) { + printf("Headers: %d/%d\n", ctx->outHeaders_front - ctx->outHeaders, ctx->outHeaders_back - ctx->outHeaders); printf("Page: %d/%d\n", ctx->page_front - ctx->page, ctx->page_back - ctx->page); printf("Heap: %d/%d\n", ctx->heap_front - ctx->heap, ctx->heap_back - ctx->heap); } @@ -295,7 +305,52 @@ int uw_really_send(int sock, const void *buf, size_t len) { } int uw_send(uw_context ctx, int sock) { - return uw_really_send(sock, ctx->page, ctx->page_front - ctx->page); + int n = uw_really_send(sock, ctx->outHeaders, ctx->outHeaders_front - ctx->outHeaders); + + if (n < 0) + return n; + + n = uw_really_send(sock, "\r\n", 2); + + if (n < 0) + return n; + + n = uw_really_send(sock, "<html>", 6); + + if (n < 0) + return n; + + n = uw_really_send(sock, ctx->page, ctx->page_front - ctx->page); + + if (n < 0) + return n; + + return uw_really_send(sock, "</html>", 7); +} + +static void uw_check_headers(uw_context ctx, size_t extra) { + size_t desired = ctx->outHeaders_front - ctx->outHeaders + extra, next; + char *new_outHeaders; + + next = ctx->outHeaders_back - ctx->outHeaders; + if (next < desired) { + if (next == 0) + next = 1; + for (; next < desired; next *= 2); + + new_outHeaders = realloc(ctx->outHeaders, next); + ctx->outHeaders_front = new_outHeaders + (ctx->outHeaders_front - ctx->outHeaders); + ctx->outHeaders_back = new_outHeaders + next; + ctx->outHeaders = new_outHeaders; + } +} + +void uw_write_header(uw_context ctx, uw_Basis_string s) { + int len = strlen(s); + + uw_check_headers(ctx, len + 1); + strcpy(ctx->outHeaders_front, s); + ctx->outHeaders_front += len; } static void uw_check(uw_context ctx, size_t extra) { @@ -1090,3 +1145,13 @@ uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) { } } + +uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string c, uw_Basis_string v) { + uw_write_header(ctx, "Set-Cookie: "); + uw_write_header(ctx, c); + uw_write_header(ctx, "="); + uw_write_header(ctx, v); + uw_write_header(ctx, "\r\n"); + + return uw_unit_v; +} |