diff options
Diffstat (limited to 'src/modules/rtp/sap.c')
-rw-r--r-- | src/modules/rtp/sap.c | 79 |
1 files changed, 38 insertions, 41 deletions
diff --git a/src/modules/rtp/sap.c b/src/modules/rtp/sap.c index 022c7fa3..5d9b58fa 100644 --- a/src/modules/rtp/sap.c +++ b/src/modules/rtp/sap.c @@ -1,18 +1,18 @@ -/* $Id$ */ - /*** This file is part of PulseAudio. - + + Copyright 2006 Lennart Poettering + PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 @@ -23,7 +23,6 @@ #include <config.h> #endif -#include <assert.h> #include <time.h> #include <stdlib.h> #include <sys/types.h> @@ -44,6 +43,7 @@ #include <pulsecore/core-error.h> #include <pulsecore/core-util.h> #include <pulsecore/log.h> +#include <pulsecore/macro.h> #include "sap.h" #include "sdp.h" @@ -51,25 +51,25 @@ #define MIME_TYPE "application/sdp" pa_sap_context* pa_sap_context_init_send(pa_sap_context *c, int fd, char *sdp_data) { - assert(c); - assert(fd >= 0); - assert(sdp_data); + pa_assert(c); + pa_assert(fd >= 0); + pa_assert(sdp_data); c->fd = fd; c->sdp_data = sdp_data; c->msg_id_hash = (uint16_t) (rand()*rand()); - - return c; + + return c; } void pa_sap_context_destroy(pa_sap_context *c) { - assert(c); + pa_assert(c); - close(c->fd); + pa_close(c->fd); pa_xfree(c->sdp_data); } -int pa_sap_send(pa_sap_context *c, int goodbye) { +int pa_sap_send(pa_sap_context *c, pa_bool_t goodbye) { uint32_t header; struct sockaddr_storage sa_buf; struct sockaddr *sa = (struct sockaddr*) &sa_buf; @@ -83,8 +83,8 @@ int pa_sap_send(pa_sap_context *c, int goodbye) { return -1; } - assert(sa->sa_family == AF_INET || sa->sa_family == AF_INET6); - + pa_assert(sa->sa_family == AF_INET || sa->sa_family == AF_INET6); + header = htonl(((uint32_t) 1 << 29) | (sa->sa_family == AF_INET6 ? (uint32_t) 1 << 28 : 0) | (goodbye ? (uint32_t) 1 << 26 : 0) | @@ -101,7 +101,7 @@ int pa_sap_send(pa_sap_context *c, int goodbye) { iov[3].iov_base = c->sdp_data; iov[3].iov_len = strlen(c->sdp_data); - + m.msg_name = NULL; m.msg_namelen = 0; m.msg_iov = iov; @@ -109,23 +109,23 @@ int pa_sap_send(pa_sap_context *c, int goodbye) { m.msg_control = NULL; m.msg_controllen = 0; m.msg_flags = 0; - + if ((k = sendmsg(c->fd, &m, MSG_DONTWAIT)) < 0) - pa_log("sendmsg() failed: %s\n", pa_cstrerror(errno)); + pa_log_warn("sendmsg() failed: %s\n", pa_cstrerror(errno)); return k; } pa_sap_context* pa_sap_context_init_recv(pa_sap_context *c, int fd) { - assert(c); - assert(fd >= 0); + pa_assert(c); + pa_assert(fd >= 0); c->fd = fd; c->sdp_data = NULL; return c; } -int pa_sap_recv(pa_sap_context *c, int *goodbye) { +int pa_sap_recv(pa_sap_context *c, pa_bool_t *goodbye) { struct msghdr m; struct iovec iov; int size, k; @@ -133,21 +133,18 @@ int pa_sap_recv(pa_sap_context *c, int *goodbye) { uint32_t header; int six, ac; ssize_t r; - - assert(c); - assert(goodbye); + + pa_assert(c); + pa_assert(goodbye); if (ioctl(c->fd, FIONREAD, &size) < 0) { - pa_log("FIONREAD failed: %s", pa_cstrerror(errno)); + pa_log_warn("FIONREAD failed: %s", pa_cstrerror(errno)); goto fail; } - if (!size) - return 0; - buf = pa_xnew(char, size+1); buf[size] = 0; - + iov.iov_base = buf; iov.iov_len = size; @@ -158,14 +155,14 @@ int pa_sap_recv(pa_sap_context *c, int *goodbye) { m.msg_control = NULL; m.msg_controllen = 0; m.msg_flags = 0; - + if ((r = recvmsg(c->fd, &m, 0)) != size) { - pa_log("recvmsg() failed: %s", r < 0 ? pa_cstrerror(errno) : "size mismatch"); + pa_log_warn("recvmsg() failed: %s", r < 0 ? pa_cstrerror(errno) : "size mismatch"); goto fail; } if (size < 4) { - pa_log("SAP packet too short."); + pa_log_warn("SAP packet too short."); goto fail; } @@ -173,17 +170,17 @@ int pa_sap_recv(pa_sap_context *c, int *goodbye) { header = ntohl(header); if (header >> 29 != 1) { - pa_log("Unsupported SAP version."); + pa_log_warn("Unsupported SAP version."); goto fail; } if ((header >> 25) & 1) { - pa_log("Encrypted SAP not supported."); + pa_log_warn("Encrypted SAP not supported."); goto fail; } if ((header >> 24) & 1) { - pa_log("Compressed SAP not supported."); + pa_log_warn("Compressed SAP not supported."); goto fail; } @@ -192,7 +189,7 @@ int pa_sap_recv(pa_sap_context *c, int *goodbye) { k = 4 + (six ? 16 : 4) + ac*4; if (size < k) { - pa_log("SAP packet too short (AD)."); + pa_log_warn("SAP packet too short (AD)."); goto fail; } @@ -203,18 +200,18 @@ int pa_sap_recv(pa_sap_context *c, int *goodbye) { e += sizeof(MIME_TYPE); size -= sizeof(MIME_TYPE); } else if ((unsigned) size < sizeof(PA_SDP_HEADER)-1 || strncmp(e, PA_SDP_HEADER, sizeof(PA_SDP_HEADER)-1)) { - pa_log("Invalid SDP header."); + pa_log_warn("Invalid SDP header."); goto fail; } if (c->sdp_data) pa_xfree(c->sdp_data); - + c->sdp_data = pa_xstrndup(e, size); pa_xfree(buf); - + *goodbye = !!((header >> 26) & 1); - + return 0; fail: |